Document:

THIS  WARRANT AND THE  UNDERLYING  SHARES OF COMMON  STOCK  REPRESENTED  BY THIS
CERTIFICATE  HAVE NOT BEEN  REGISTERED  UNDER  THE  SECURITIES  ACT OF 1933 (THE
"ACT"),  AND ARE  "RESTRICTED  SECURITIES"  AS THAT TERM IS  DEFINED IN RULE 144
UNDER THE ACT.  THE  SECURITIES  MAY NOT BE OFFERED FOR SALE,  SOLD OR OTHERWISE
TRANSFERRED  EXCEPT  PURSUANT TO AN EFFECTIVE  REGISTRATION  STATEMENT UNDER THE
ACT,  OR  PURSUANT  TO  AN  EXEMPTION  FROM  REGISTRATION  UNDER  THE  ACT,  THE
AVAILABILITY  OF WHICH IS TO BE  ESTABLISHED  TO THE  SATISFACTION  OF MOLECULAR
DIAGNOSTICS, INC.

                                                        Warrant No.  _________

                  WARRANT TO PURCHASE SHARES OF COMMON STOCK

                       WARRANT TO PURCHASE _______ SHARES
                 (SUBJECT TO ADJUSTMENT AS SET FORTH HEREIN)

                         EXERCISE PRICE $0.10 PER SHARE
                  (SUBJECT TO ADJUSTMENT AS SET FORTH HEREIN)]

                              ISSUE DATE:_________
VOID AFTER 3:00 P.M., CENTRAL TIME, ON THE FIFTH ANNIVERSARY OF THE ISSUE DATE

      THIS  CERTIFIES  THAT  _______  Corporation,  a ________  corporation,  is
entitled to purchase from Molecular  Diagnostics,  Inc., a Delaware  corporation
(hereinafter  called the  "Company")  with its principal  office  located at 414
North Orleans Street, Suite 502, Chicago,  Illinois 60610, at any time after the
Exercise  Date (as defined  below),  but before 3:00 P.M.,  Central Time, on the
Expiration  Date (as defined  below),  at the Exercise Price (as defined below),
the number of shares (the "Warrant  Shares") of the Company's  common stock, par
value  $0.001 per share (the  "Common  Stock")  set forth  above.  The number of
Shares  purchasable  upon  exercise of this Warrant and the  Exercise  Price per
Share shall be subject to adjustment from time to time as set forth in Section 4
below.

      SECTION 1.  DEFINITIONS

      The following terms used in this Warrant shall have the following meanings
(unless otherwise expressly provided herein):

      The "Act."  The Securities Act of 1933, as amended.

      The "Commission."  The Securities and Exchange Commission.

      The  "Company."   Molecular   Diagnostics,   Inc.,  its  successors  and
permitted assigns.

<PAGE>

      "Common  Stock."  The  Company's  Common  Stock,  par value  $0.001  per
share, and any successor security of the Company.

      "Current  Market  Price." The Current  Market Price shall be  determined
as follows:

            (a) if the  security  at issue is  listed on a  national  securities
      exchange or admitted to unlisted trading privileges on such an exchange or
      quoted on either the National Market System or the Small Cap Market of the
      automated  quotation  service  operated by The Nasdaq Stock  Market,  Inc.
      ("Nasdaq"), the Current Market Price shall be the last reported sale price
      of that  security  on such  exchange  or system on the day for which  such
      Current  Market Price is to be  determined  or, if no such sale is made on
      such day,  the average of the highest  closing bid and lowest  asked price
      for such day on such exchange or system; or

            (b) if the  security at issue is not so listed or quoted or admitted
      to unlisted  trading  privileges,  the Current  Market  Price shall be the
      average of the last reported highest bid and lowest asked prices quoted on
      the Nasdaq  Electronic  Bulletin Board, or, if not so quoted,  then by the
      National Quotation Bureau,  Inc. on the last business day prior to the day
      for which the Current Market Price is to be determined; or

            (c) if the  security at issue is not so listed or quoted or admitted
      to unlisted trading  privileges and bid and asked prices are not reported,
      the Current Market Value shall be determined in such reasonable  manner as
      may be  prescribed  from  time to time by the  Board of  Directors  of the
      Company, subject to the objection procedures hereinafter described.

      "Exercise Date."  ___________.

      "Exercise  Price."  $0.10 per Share,  as  modified  from time to time in
accordance with the provisions of this Warrant.

      "Expiration  Date." The fifth  anniversary  of the Issue Date  indicated
on the first page of this Warrant.

      "Holder" or "Warrantholder." The person to whom this Warrant is issued and
any valid transferee thereof pursuant to Section 3.1 below.

      "NASD."  The National Association of Securities Dealers, Inc.

      "Nasdaq." The automated  quotation  system  operated by the Nasdaq Stock
Market, Inc.

       "Warrant." This Warrant and any other warrants issued in substitution for
or  replacement   thereof,   including  those  evidenced  by  a  certificate  or
certificates originally issued or issued upon division,  exchange,  substitution
or transfer pursuant to this Warrant.

      "Warrant  Shares."  The Common  Stock  purchasable  upon  exercise of this
Warrant  including  the Common  Stock  underlying  unexercised  portions of this
Warrant.

                                       2
<PAGE>

      SECTION 2.        TERM OF WARRANTS; EXERCISE OF WARRANT

      2.1. Exercise of Warrant.

            (a) Subject to the terms of this Warrant,  the Holder shall have the
      right,  at any time beginning on the Exercise Date but prior to 3:00 p.m.,
      Central Time, on the  Expiration  Date, to purchase from the Company up to
      the number of fully  paid and  nonassessable  Warrant  Shares to which the
      Holder may at the time be entitled to purchase  pursuant to this  Warrant,
      upon surrender to the Company,  at its principal office, of the Warrant to
      be exercised, together with the purchase form on the reverse thereof, duly
      filled in and  signed,  and upon  payment to the  Company of the  Exercise
      Price for the number of Warrant  Shares in respect of which the Warrant is
      then  exercised,  but in no event for less than 100 Warrant Shares (unless
      fewer than an aggregate of 100 Warrant Shares are then  purchasable  under
      all outstanding Warrants held by a Holder).

            (b) In lieu of payment of the Exercise Price, the Holder may require
      the  Company to convert  this  Warrant  into  shares of Common  Stock (the
      "Conversion  Right") as provided for in this Section 2.1(b). Upon exercise
      of the Conversion  Right, the Company shall deliver to the Holder (without
      payment by the Holder of any of the Exercise  Price) that number of shares
      of Common Stock equal to the  quotient  obtained by dividing (x) the value
      of the Warrant at the time the Conversion  Right is exercised  (determined
      by subtracting the aggregate Exercise Price in effect immediately prior to
      the exercise of the  Conversion  Right from the aggregate  Current  Market
      Price  for the  Common  Stock  immediately  prior to the  exercise  of the
      Conversion Right by (y) the Current Market Price of the Common Stock.

      2.2.  Payment of Exercise Price.  Payment of the aggregate  Exercise Price
may be made in cash or by check, or any combination thereof.

      2.3. Issuance of Shares. Upon surrender of this Warrant and payment of the
applicable  Exercise  Price,  the Company  shall issue and cause to be delivered
with all  reasonable  dispatch to or upon the written order of the Holder and in
the name or names the Holder may designate,  a certificate or  certificates  for
the  number  of full  Warrant  Shares so  purchased  upon the  exercise  of this
Warrant, together with cash, as provided in Section 11 hereof, in respect of any
fraction  of a Warrant  Share  that  would  otherwise  have been  issuable  upon
exercise of this Warrant.

      2.4.  Status as Holder of  Shares.  Upon  receipt  of this  Warrant by the
Company  following any exercise by the Holder,  the Holder shall be deemed to be
the  holder  of  record  of  the  Warrant   Shares   issuable   upon   exercise,
notwithstanding  that the  transfer  books of the  Company may then be closed or
that certificates  representing the Warrant Shares may not have been prepared or
actually delivered to the Holder.

      SECTION 3.  TRANSFERABILITY AND FORM OF WARRANT

      3.1.  Limitation on Transfer.  Any  assignment or transfer of this Warrant
shall  be made by  presentation  and  surrender  hereof  to the  Company  at its
principal  office or the office of its transfer agent, if any,  accompanied by a
duly executed  Assignment  Form.  Upon the  presentation  and surrender of these
items to the  Company,  the  Company,  at its sole  expense,  shall  execute and
deliver  to the  transferee  or  transferees  of this  Warrant a new  Warrant or
Warrants,  in the name of the transferee or transferees  named in the Assignment
Form, and this Warrant shall at that time be canceled.

                                       3
<PAGE>

      3.2.  Exchange of  Certificate.  This Warrant may be exchanged for another
Warrant or Warrants  entitling the  Warrantholder  to purchase a like  aggregate
number of Warrant  Shares as the Warrant or Warrants  surrendered  then entitled
the Warrantholder to purchase.  Any Warrantholder desiring to exchange a Warrant
shall make a request in writing  delivered to the Company,  and shall surrender,
properly  endorsed,  with  signatures  guaranteed,  the Warrant to be exchanged.
Thereupon,  the Company shall execute and deliver to the person entitled thereto
a new Warrant as requested.

      3.3.  Mutilated,  Lost,  Stolen,  or  Destroyed  Certificate.  In case the
certificate  evidencing  this  Warrant  shall  be  mutilated,  lost,  stolen  or
destroyed,  the Company shall,  at the request of the  Warrantholder,  issue and
deliver in exchange and substitution for and upon  cancellation of the mutilated
certificate,  or in lieu of and substitution for the certificate lost, stolen or
destroyed,  a new  Warrant of like tenor  representing  an  equivalent  right or
interest,  but only upon receipt of evidence  satisfactory to the Company of the
loss, theft or destruction of the Warrant and a bond of indemnity, if requested,
also satisfactory in form and amount,  at the applicant's  cost.  Applicants for
substitute Warrants shall also comply with any other reasonable  regulations and
pay any other reasonable charges the Company may request.

      SECTION 4.  ADJUSTMENT OF NUMBER OF SHARES

      The number and kind of  securities  purchasable  upon the exercise of this
Warrant and the Exercise Price payable shall be subject to adjustment  from time
to time upon the happening of certain events, as follows:

      4.1.  Adjustments.  The  number of  Warrant  Shares  purchasable  upon the
exercise of this Warrant and the Exercise  Price shall be subject to adjustments
as follows:

            (a) In case the Company  shall (i) pay a dividend in Common Stock or
      make a distribution to its  stockholders  in Common Stock,  (ii) subdivide
      its outstanding  Common Stock,  (iii) combine its outstanding Common Stock
      into a  smaller  number  of  shares  of  Common  Stock,  or (iv)  issue by
      classification  of its Common Stock other securities of the Company,  then
      in any of the foregoing  cases,  the number of Warrant Shares  purchasable
      upon exercise of the Warrant  immediately  prior thereto shall be adjusted
      so that the Warrantholder shall be entitled to receive the kind and number
      of Warrant  Shares or other  securities  of the Company that it would have
      owned or would  have  been  entitled  to  receive  immediately  after  the
      happening  of any of the events  described  above,  had the  Warrant  been
      exercised  immediately  prior to the  happening of the event or any record
      date with respect thereto. Any adjustment made pursuant to this subsection
      4.1(a) shall become effective  immediately after the effective date of the
      event retroactive to the record date, if any, for the event.

                                       4
<PAGE>

            (b) If  the  Company  shall  issue  rights,  options,  warrants,  or
      convertible  securities to all or substantially  all holders of its Common
      Stock, without any charge to the holders,  entitling them to subscribe for
      or purchase  Common Stock at a price per share that is lower at the record
      date  mentioned  below than the then Current  Market Price,  the number of
      Warrant Shares  thereafter  purchasable  upon the exercise of this Warrant
      shall  be  determined  by   multiplying   the  number  of  Warrant  Shares
      theretofore  purchasable upon exercise of this Warrant by a fraction,  the
      numerator  of  which  shall  be the  number  of  shares  of  Common  Stock
      outstanding  immediately  prior to the  issuance of the  rights,  options,
      warrants or convertible  securities,  plus the number of additional shares
      of Common Stock offered for subscription or purchase,  and the denominator
      of which  shall be the  number  of  shares  of  Common  Stock  outstanding
      immediately  prior to the issuance of the rights,  options,  warrants,  or
      convertible securities, plus the number of shares of Common Stock that the
      aggregate  offering  price of the total  number of  shares  offered  would
      purchase at the Current Market Price as of the record date. The adjustment
      shall  be  made  whenever  rights,   options,   warrants,  or  convertible
      securities  are  issued,  and  shall  become  effective   immediately  and
      retroactively  to the record date for the  determination  of  stockholders
      entitled  to  receive  the  rights,  options,   warrants,  or  convertible
      securities.

            (c) If the Company  shall  distribute  to all or  substantially  all
      holders  of its  Common  Stock  evidences  of its  indebtedness  or assets
      (excluding  cash  dividends or  distributions  out of earnings) or rights,
      options,  warrants,  or  convertible  securities  containing  the right to
      subscribe for or purchase  Common Stock  (excluding  those  referred to in
      subsection  4.1(b) above),  then in each case the number of Warrant Shares
      thereafter  purchasable  upon  the  exercise  of  this  Warrant  shall  be
      determined  by  multiplying  the  number  of  Warrant  Shares  theretofore
      purchasable  upon  exercise of this  Warrant by a  fraction,  of which the
      numerator  shall  be  the  then  Current  Market  Price  on  the  date  of
      distribution,  and the  denominator  of which shall be the Current  Market
      Price on the date of distribution minus the then fair value (determined as
      provided  in  subparagraph  (e)  below) of the  portion  of the  assets or
      evidences of  indebtedness so distributed or of the  subscription  rights,
      options,  warrants, or convertible securities applicable to one share. The
      adjustment  shall be made  whenever  any  distribution  is made and  shall
      become  effective on the date of  distribution  retroactive  to the record
      date  for the  determination  of  stockholders  entitled  to  receive  the
      distribution.

            (d) No  adjustment  in the  number  of  Warrant  Shares  purchasable
      pursuant to this Warrant  shall be required  unless the  adjustment  would
      require an  increase  or decrease of at least one percent in the number of
      Warrant  Shares  then  purchasable  upon  the  exercise  of this  Warrant;
      provided, however, that any adjustments which by reason of this subsection
      (4.1(d)) are not required to be made immediately  shall be carried forward
      and taken into account in any subsequent adjustment.

            (e)  Whenever  the number of  Warrant  Shares  purchasable  upon the
      exercise of this Warrant is  adjusted,  as herein  provided,  the Exercise
      Price  payable  upon  exercise  of  this  Warrant  shall  be  adjusted  by
      multiplying  the Exercise Price  immediately  prior to the adjustment by a
      fraction,  the  numerator  of which shall be the number of Warrant  Shares
      purchasable  upon the  exercise  of the Warrant  immediately  prior to the
      adjustment,  and the  denominator  of which shall be the number of Warrant
      Shares so purchasable immediately thereafter.

                                       5
<PAGE>

            (f) Whenever the number of Warrant Shares  purchasable upon exercise
      of this Warrant and the Exercise Price is adjusted as herein provided, the
      Company shall cause to be promptly  mailed to the  Warrantholder  by first
      class mail, postage prepaid, notice of the adjustment and a certificate of
      the chief  financial  officer of the Company  setting  forth the number of
      Warrant  Shares  purchasable  upon the  exercise  of this  Warrant and the
      Exercise  Price  after  the  adjustment,  a brief  statement  of the facts
      requiring the adjustment  and the  computation by which the adjustment was
      made.

            (g) For the purpose of this Section  4.1,  the term  "Common  Stock"
      shall mean (i) the class of stock  designated  as the Common  Stock of the
      Company as of the Issue Date of this  Warrant,  or (ii) any other class of
      stock resulting from successive changes or reclassifications of the Common
      Stock  consisting  solely of changes in par value, or from par value to no
      par value, or from no par value to par value. If, at any time, as a result
      of an adjustment made pursuant to this Section 4, the Warrantholder  shall
      become  entitled  to purchase  any  securities  of the Company  other than
      Common Stock, then (y) if the Warrantholder's  right to purchase is on any
      other basis than that  available  to all holders of the  Company's  Common
      Stock,  the Company shall obtain an opinion of an  independent  investment
      banking firm valuing the other securities and (z) thereafter the number of
      other  securities  so  purchasable  upon exercise of this Warrant shall be
      subject to adjustment from time to time in a manner and on terms as nearly
      equivalent as practicable  to the  provisions  with respect to the Warrant
      Shares contained in this Section 4.

            (h)  Upon  the  expiration  of any  rights,  options,  warrants,  or
      conversion privileges,  if they shall have not been exercised,  the number
      of Warrant Shares purchasable upon exercise of the Warrants, to the extent
      the Warrants have not then been exercised, shall, upon such expiration, be
      readjusted  and shall  thereafter be as they would have been had they been
      originally adjusted (or had the original adjustment not been required,  as
      the case may be) on the  basis of (i) the  fact  that the only  shares  of
      Common Stock so issued were the shares of Common Stock,  if any,  actually
      issued or sold upon the  exercise of the  rights,  options,  warrants,  or
      conversion privileges,  and (ii) the fact that the shares of Common Stock,
      if any, were issued or sold for the consideration actually received by the
      Company  upon  the  exercise  plus  the  consideration,  if any,  actually
      received  by the  Company  for the  issuance,  sale or  grant  of all such
      rights,  options,  warrants,  or  conversion  privileges  whether  or  not
      exercised;  provided,  however, that no readjustment shall have the effect
      of decreasing  the number of Warrant Shares  purchasable  upon exercise of
      this  Warrant  by an  amount in  excess  of the  amount of the  adjustment
      initially made in respect of the issuance,  sale, or grant of such rights,
      options, warrants, or conversion rights.

      4.2. No Adjustment  for  Dividends.  Except as provided in Section 4.1, no
adjustment in respect of any dividends or distributions out of earnings shall be
made during the term, or upon the exercise, of this Warrant.

                                       6
<PAGE>

      4.3. No Adjustment in Certain Cases. No adjustments shall be made pursuant
to Section 4 hereof in connection with the issuance of the Common Stock upon the
conversion, if any, of the Company's 12% Secured Convertible Promissory Notes or
exercise of any warrants issued to the holders thereof in connection  therewith.
No adjustments shall be made pursuant to Section 4 hereof in connection with the
grant or exercise of presently authorized or outstanding options to purchase, or
the issuance of shares of Common Stock under, the Company's director or employee
benefit plan.

      4.4. Preservation of Purchase Rights upon Reclassification, Consolidation,
etc. In case of any  consolidation  of the Company with or merger of the Company
into another  corporation or other entity,  or in case of any sale or conveyance
to another  corporation or other entity of the property,  assets, or business of
the Company as an  entirety  or  substantially  as an  entirety,  the Company or
successor or purchasing corporation,  as the case may be, shall execute with the
Warrantholder  an  agreement  that  the  Warrantholder   shall  have  the  right
thereafter upon payment of the Exercise Price in effect immediately prior to the
action to purchase, upon exercise of this Warrant, the kind and amount of shares
and other securities and property that it would have owned or have been entitled
to receive after the happening of the consolidation, merger, sale, or conveyance
had this Warrant been exercised immediately prior to the action. In the event of
a merger described in Section 368(a)(2)(E) of the Internal Revenue Code of 1986,
in which the Company is the surviving corporation,  the right to purchase shares
under the Warrants shall  terminate on the date of such merger and thereupon the
Warrants  shall become null and void,  but only if the  controlling  corporation
shall agree to  substitute  for the  Warrants,  its warrants  which  entitle the
holder thereof to purchase upon their exercise the kind and amount of shares and
other  securities  and  property  which it would have owned or been  entitled to
receive had the Warrants been exercised  immediately  prior to such merger.  Any
such agreements  referred to in this Section 4.4 shall provide for  adjustments,
which shall be as nearly  equivalent as may be  practicable  to the  adjustments
provided  for in Section 4 hereof.  The  provisions  of this  Section  4.4 shall
similarly apply to successive consolidations, mergers, sales, or conveyances.

      4.5. Par Value of Shares of Common  Stock.  Before taking any action which
would cause an adjustment effectively reducing the portion of the Exercise Price
allocable  to each  Warrant  Share  below the par value per share of the  Common
Stock  issuable  upon  exercise  of the  Warrants,  the  Company  will  take any
corporate action which may, in the opinion of its counsel, be necessary in order
that the Company may  validly  and  legally  issue fully paid and  nonassessable
Common Stock upon exercise of the Warrants.

      4.6.  Independent  Public  Accountants.  The  Company may retain a firm of
independent public accountants of recognized national standing (which may be any
such firm regularly  employed by the Company) to make any  computation  required
under this Section 4, and a  certificate  signed by the firm shall be conclusive
evidence of the correctness of any computation made under this Section 4.

      4.7.  Treasury  Stock.  For  purposes of this  Section 4, shares of Common
Stock owned or held at any relevant time by, or for the account of, the Company,
in its treasury or otherwise, shall not be deemed to be outstanding for purposes
of the calculations and adjustments described.

                                       7
<PAGE>

      SECTION 5.  NOTICE TO HOLDERS

      If, prior to the  expiration of this Warrant either by its terms or by its
exercise in full, any of the following shall occur:

            (a) the  Company  shall  declare a dividend or  authorize  any other
      distribution on its Common Stock; or

            (b) the Company shall authorize the granting to the  shareholders of
      its Common Stock of rights to subscribe for or purchase any  securities or
      any other similar rights; or

            (c) any  reclassification,  reorganization  or similar change of the
      Common  Stock,  or any  consolidation  or merger to which the Company is a
      party, or the sale,  lease, or exchange of any significant  portion of the
      assets of the Company; or

            (d) the voluntary or involuntary dissolution, liquidation or winding
      up of the Company; or

            (e) any  purchase,  retirement  or  redemption by the Company of its
      Common Stock;

then,  and in any such case,  the Company shall deliver to the Holder or Holders
written  notice thereof at least 30 days prior to the earliest  applicable  date
specified below with respect to which notice is to be given,  which notice shall
state the following:

            (x) the date on which a record is to be taken for the purpose of the
      dividend,  distribution or rights, or, if a record is not to be taken, the
      date as of which the  holders of Common  Stock of record  entitled  to the
      dividend, distribution or rights will be determined;

            (y)  the  date  on  which  any   reclassification,   reorganization,
      consolidation,  merger, sale, transfer, dissolution,  liquidation, winding
      up or purchase,  retirement or redemption is expected to become effective,
      and the date, if any, as of which the Company's holders of Common Stock of
      record shall be entitled to exchange  their Common Stock for securities or
      other  property  deliverable  upon the  reclassification,  reorganization,
      consolidation,  merger, sale, transfer, dissolution,  liquidation, winding
      up, purchase, retirement or redemption; and

            (z) if any matters referred to in the foregoing  clauses (x) and (y)
      are to be voted upon by holders of Common Stock,  the date as of which the
      shareholders entitled to vote will be determined.

      SECTION 6.  OFFICERS' CERTIFICATE

      Whenever  the Exercise  Price or the  aggregate  number of Warrant  Shares
purchasable  pursuant  to this  Warrant  shall be  adjusted  as  required by the
provisions  of  Section  4 above,  the  Company  shall  promptly  file  with its
Secretary  or an  Assistant  Secretary  at its  principal  office,  and with its
transfer  agent,  if any, an  officers'  certificate  executed by the  Company's
President and Secretary or Assistant  Secretary,  describing  the adjustment and
setting forth, in reasonable  detail, the facts requiring the adjustment and the
basis for and calculation of the adjustment in accordance with the provisions of
this Warrant.  Each such  officers'  certificate  shall be made available to the
Holder or Holders of this Warrant for  inspection at all reasonable  times,  and
the  Company,  after  each  adjustment,  shall  promptly  deliver  a copy of the
officers'  certificate  relating to that  adjustment to the Holder or Holders of
this Warrant. Absent manifest error, the officers' certificate described in this
Section  6  shall  be  deemed  to be  conclusive  as to the  correctness  of the
adjustment reflected therein if, and only if, no Holder of this Warrant delivers
written notice to the Company of an objection to the  adjustment  within 30 days
after the  officers'  certificate  is delivered to the Holder or Holders of this
Warrant.  The Company will make its books and records  available for  inspection
and  copying  during  normal  business  hours by the  Holder  so as to  permit a
determination  as to the  correctness of the  adjustment.  Failure to prepare or
provide  the  officers'   certificate  shall  not  modify  the  parties'  rights
hereunder.

                                       8
<PAGE>

      SECTION 7.  RESERVATION OF WARRANT SHARES

      There has been reserved,  and the Company shall at all times keep reserved
so long as this Warrant remains outstanding,  out of its authorized and unissued
Common Stock, a number of shares of Common Stock  sufficient to support the full
exercise hereof.  Every transfer agent for the Common Stock and other securities
of the Company  issuable  upon the exercise of this Warrant will be  irrevocably
authorized  and directed at all times to reserve a number of  authorized  shares
and other  securities as shall be requisite  for such purpose.  The Company will
keep a copy of this  Warrant  on file with every  transfer  agent for the Common
Stock and other  securities  of the Company  issuable  upon the exercise of this
Warrant.  The Company will supply every  transfer agent with duly executed stock
and other  certificates,  as  appropriate,  for such purpose and will provide or
otherwise make available any cash which may be payable as provided in Section 11
hereof.

      SECTION 8.  RESTRICTIONS ON TRANSFER.

      The  Warrantholder  agrees  that prior to making any  disposition  of this
Warrant or the Warrant Shares,  the  Warrantholder  shall give written notice to
the Company describing  briefly the manner in which any proposed  disposition is
to be made;  and no  disposition  shall be made if the Company has  notified the
Warrantholder  that, in the opinion of counsel  reasonably  satisfactory  to the
Warrantholder,  a registration statement or other notification or post-effective
amendment thereto  (hereinafter  collectively a "Registration  Statement") under
the  Act is  required  with  respect  to  the  disposition  and no  Registration
Statement  has been  filed by the  Company  with,  and  declared  effective,  if
necessary, by, the Commission.

      SECTION 9.  PAYMENT OF TAXES

      The Company will pay all documentary stamp taxes, if any,  attributable to
the initial  issuance of this Warrant or the shares of Common  Stock  comprising
the Warrant Shares; provided,  however, the Company shall not be required to pay
any tax that may be  payable  in  respect of any  transfer  of the  Warrants  or
Warrant Shares.

                                       9
<PAGE>

      SECTION 10. TRANSFER TO COMPLY WITH THE SECURITIES ACT OF 1933

      This  Warrant,  the Warrant  Shares,  and any other  securities  issued or
issuable upon exercise of this Warrant, may not be offered, sold or transferred,
in whole or in part, except in compliance with the Act, and except in compliance
with all applicable state  securities laws. The Company may cause  substantially
the following legends, or their equivalents, to be set forth on each certificate
representing  the Warrant Shares and any other security  issued or issuable upon
exercise of this Warrant,  not theretofore  distributed to the public or sold to
underwriters, as defined by the Act, for distribution to the public:

            (a) "THE SECURITIES  REPRESENTED BY THIS  CERTIFICATE  HAVE NOT BEEN
      REGISTERED  UNDER THE SECURITIES ACT OF 1933 OR ANY STATE  SECURITIES LAWS
      AND MAY NOT BE SOLD, EXCHANGED,  HYPOTHECATED OR TRANSFERRED IN ANY MANNER
      EXCEPT IN COMPLIANCE WITH SUCH LAWS AND THE WARRANT PURSUANT TO WHICH THEY
      WERE ISSUED."

            (b) Any legend required by applicable state securities laws.

      Any  certificate  issued at any time in exchange or  substitution  for any
certificate   bearing  such  legends  (except  a  new  certificate  issued  upon
completion of a public distribution  pursuant to a registration  statement under
the  Securities  Act  of  1933,  as  amended  (the  "Act"),  or  the  securities
represented thereby) shall also bear the above legends unless, in the opinion of
the Company's  counsel,  the  securities  represented  thereby need no longer be
subject to such restrictions.

      SECTION 11. FRACTIONAL SHARES

      No  fractional  shares or scrip  representing  fractional  shares shall be
issued upon the exercise of all or any part of this Warrant. With respect to any
fraction  of a share  of any  security  called  for upon  any  exercise  of this
Warrant,  the  Company  shall pay to the Holder an amount in money equal to that
fraction multiplied by the Current Market Price of that share.

      SECTION 12.       NO RIGHTS AS STOCKHOLDER; NOTICES TO WARRANTHOLDER

      Nothing  contained in this Warrant shall be construed as  conferring  upon
the Warrantholder or its transferees any rights as a stockholder of the Company,
including the right to vote, receive dividends,  consent or receive notices as a
stockholder  in  respect to any  meeting of  stockholders  for the  election  of
directors of the Company or any other matter.  The Company  covenants,  however,
that for so long as this  Warrant  is at least  partially  unexercised,  it will
furnish any Holder of this Warrant with copies of all reports and communications
furnished to the shareholders of the Company. In addition,  if at any time prior
to the expiration of the Warrants and prior to their  exercise,  any one or more
of the following events shall occur:

            (a) any action which would require an adjustment pursuant to Section
      4.1 (except subsections 4.1(e) and 4.1(h) or 4.4; or

            (b) a dissolution,  liquidation, or winding up of the Company (other
      than in connection with a consolidation,  merger, or sale of its property,
      assets, and business as an entirety or substantially as an entirety) shall
      be proposed:

                                       10
<PAGE>

then the Company shall give notice in writing of the event to the Warrantholder,
as provided in Section 15 hereof,  at least 20 days prior to the date fixed as a
record date or the date of closing the transfer books for the  determination  of
the stockholders entitled to any relevant dividend,  distribution,  subscription
rights or other rights or for the determination of stockholders entitled to vote
on such  proposed  dissolution,  liquidation,  or winding  up. The notice  shall
specify the record date or the date of closing the transfer  books,  as the case
may be. Failure to mail or receive notice or any defect therein shall not affect
the validity of any action taken with respect thereto.

      SECTION 13.       CHARGES DUE UPON EXERCISE

      The Company shall pay any and all issue or transfer taxes, including,  but
not limited to, all federal or state taxes,  that may be payable with respect to
the transfer of this Warrant or the issue or delivery of Warrant Shares upon the
exercise of this Warrant.

      SECTION 14.       WARRANT SHARES TO BE FULLY PAID

      The  Company  covenants  that all  Warrant  Shares  that may be issued and
delivered  to a Holder of this  Warrant  upon the  exercise of this  Warrant and
payment of the  Exercise  Price will be,  upon such  delivery,  validly and duly
issued, fully paid and nonassessable.

      SECTION 15.       NOTICES

      Any notice  pursuant to this Warrant by the Company or by a  Warrantholder
or a holder of Shares  shall be in writing and shall be deemed to have been duly
given if delivered or mailed by certified mail, return receipt requested:

      (i) If to a Warrantholder or a holder of Warrant Shares,  addressed to the
address set forth above.

      (ii) If to the Company addressed to it at 414 North Orleans Street,  Suite
502, Chicago, Illinois 60610, Attention: Chief Financial Officer

      Each party may from time to time change the address to which notices to it
are to be delivered or mailed hereunder by notice in accordance  herewith to the
other party.

      SECTION 16. MERGER OR CONSOLIDATION OF THE COMPANY

      The  Company  will  not  merge  or  consolidate  with  or into  any  other
corporation  or  sell  all  or  substantially  all of its  property  to  another
corporation,  unless in  connection  therewith,  the Company  complies  with the
provisions of Section 4.4 hereof.

      SECTION 17. APPLICABLE LAW

      This Warrant  shall be governed by and  construed in  accordance  with the
internal  laws (as  opposed  to  conflicts  of law  provisions)  of the State of
Illinois,  and courts located in Illinois shall have exclusive jurisdiction over
all disputes arising hereunder.

                                       11
<PAGE>

      SECTION 18. ACCEPTANCE OF TERMS; SUCCESSORS.

      By its acceptance of this Warrant, the Holder accepts and agrees to comply
with all of the terms and provisions hereof. All the covenants and provisions of
this  Warrant by or for the benefit of the Company or the Holder  shall bind and
inure to the benefit of their respective successors and assigns hereunder.

      SECTION 19. MISCELLANEOUS PROVISIONS

      (a) Subject to the terms and  conditions  contained  herein,  this Warrant
shall be  binding  on the  Company  and its  successors  and shall  inure to the
benefit of the original  Holder,  its  successors and assigns and all holders of
Warrant  Shares and the exercise of this Warrant in full shall not terminate the
provisions of this Warrant as it relates to holders of Warrant Shares.

      (b) If the Company fails to perform any of its obligations  hereunder,  it
shall be liable to the Holder for all damages, costs and expenses resulting from
the failure,  including,  but not limited to, all reasonable attorney's fees and
disbursements.

      (c) This Warrant  cannot be changed or  terminated or any  performance  or
condition waived in whole or in part except by an agreement in writing signed by
the party  against  whom  enforcement  of the change,  termination  or waiver is
sought;  provided,  however, that any provisions hereof may be amended,  waived,
discharged or terminated upon the written consent of the Holder and the Company.

      (d) If any provision of this Warrant shall be held to be invalid,  illegal
or  unenforceable,  the  provision  shall be  severed,  enforced  to the  extent
possible,  or  modified  in  such a way  as to  make  it  enforceable,  and  the
invalidity,  illegality  or  unenforceability  shall not affect the remainder of
this Warrant.

      (e) The Company  agrees to execute any  further  agreements,  conveyances,
certificates and other documents as may be reasonably requested by the Holder to
effectuate the intent and provisions of this Warrant.

      (f) Paragraph  headings used in this Warrant are for convenience  only and
shall  not be  taken  or  construed  to  define  or  limit  any of the  terms or
provisions of this Warrant.  Unless  otherwise  provided,  or unless the context
shall  otherwise  require,  the use of the singular shall include the plural and
the use of any gender shall include all genders.

                                       12
<PAGE>

      IN  WITNESS  WHEREOF,  the  Company  has  caused  this  Warrant to be duly
executed and issued as of the Issue Date first set forth above.

                                    MOLECULAR DIAGNOSTICS, INC.

                                    By:
                                          ------------------------------
                                          Name:
                                          Title:

                                       13
<PAGE>

                                  PURCHASE FORM

                                                        Dated  _________, ____

      The undersigned  hereby irrevocably elects to exercise this Warrant to the
extent of  purchasing  ______________  shares of the Common  Stock of  Molecular
Diagnostics, Inc. and tenders payment of the exercise price thereof.

                     INSTRUCTIONS FOR REGISTRATION OF STOCK

      Name
           --------------------------------------------------------
                   (Please type or print in block letters)

      Address
              -----------------------------------------------------

...............................................................................

                                 ASSIGNMENT FORM

      FOR  VALUE  RECEIVED,  _________________,   hereby  sells,  assigns  and
transfers unto

      Name
           --------------------------------------------------------
                   (Please type or print in block letters)

      Address
              -----------------------------------------------------

the right to purchase ___________ shares Common Stock of Molecular  Diagnostics,
Inc. (the  "Company")  represented  by this Warrant and does hereby  irrevocably
constitute and appoint the Company as its attorney-in-fact, to transfer the same
on the books of the Company with full power of substitution in the premises.

      Signature                                 Dated
                  ------------------------            ------------------------

NOTICE:  THE SIGNATURE ON THIS  ASSIGNMENT MUST CORRESPOND WITH THE NAME AS IT
APPEARS UPON THE FACE OF THIS WARRANT IN EVERY PARTICULAR,  WITHOUT ALTERATION
OR ENLARGEMENT OR ANY CHANGE WHATEVER.

                                       14THIS  WARRANT  AND THE SHARES OF COMMON  STOCK  ISSUABLE  UPON  EXERCISE OF THIS
WARRANT HAVE NOT BEEN  REGISTERED  UNDER THE  SECURITIES ACT OF 1933, AS AMENDED
(THE "ACT") OR ANY STATE  SECURITIES  LAWS, AND ARE  "RESTRICTED  SECURITIES" AS
THAT TERM IS DEFINED IN RULE 144 UNDER THE ACT. THE  SECURITIES MAY NOT BE SOLD,
OFFERED FOR SALE, OR OTHERWISE  TRANSFERRED  UNLESS AND UNTIL  REGISTERED  UNDER
SAID ACT AND ANY  APPLICABLE  STATE  SECURITIES  LAWS,  OR UPON  RECEIPT  BY THE
COMPANY  OF AN  OPINION  OF  COUNSEL  SATISFACTORY  TO  THE  COMPANY  THAT  SUCH
REGISTRATION IS NOT REQUIRED.

                                                               Warrant No. RJ8

                  WARRANT TO PURCHASE SHARES OF COMMON STOCK

                            ISSUE DATE: MARCH 1, 2006

      This  certifies  that Reid  Jilek,  an  individual  resident of San Diego,
California (or any valid transferee thereof, the "Holder"),  for value received,
is entitled to purchase from Molecular  Diagnostics,  Inc. (d/b/a  Cytocorp),  a
Delaware  corporation  with its principal  business  office located at 414 North
Orleans Street, Suite 502, Chicago, Illinois 60610 (together with its successors
and  assigns,  the  "Company"),  subject to the terms and  conditions  set forth
below, at any time or from time to time on and after the Issue Date as set forth
above and before 3:00 p.m.  (Central Time) on the fifth anniversary of the Issue
Date (the "Expiration Date"),  1,000,000 shares of common stock, $.001 par value
per share, of the Company ("Common  Stock"),  at a price of $0.04 per share. The
shares  purchasable  upon exercise of this Warrant,  and the purchase  price per
share,  each as adjusted  from time to time  pursuant to the  provisions of this
Warrant,  are hereinafter  referred to as the "Warrant Shares" and the "Purchase
Price," respectively.

      1. EXERCISE OF THE WARRANT.

            (a)  EXERCISE.  The Holder may,  at the  Holder's  option,  elect to
exercise this Warrant,  in whole or in part, at any time or from time to time on
or after the Issue Date but prior to 3:00 p.m.  (Central Time) on the Expiration
Date, by  surrendering  this Warrant,  with the purchase form appended hereto as
EXHIBIT I duly executed by or on behalf of the Holder,  at the principal  office
of the Company,  or at such other office or agency as the Company may designate,
accompanied  by payment in full,  in lawful money of the United  States,  of the
Purchase Price payable in respect of the number of Warrant Shares purchased upon
such  exercise.  In no event  shall any such  exercise  be for fewer than 10,000
Warrant  Shares unless fewer than an aggregate of 10,000 Warrant Shares are then
purchasable  under all outstanding  Warrants held by the Holder.  Payment of the
aggregate  Purchase Price may be made in cash,  certified or bank check, or wire
transfer of immediately available funds.

            (b) EXERCISE  DATE AND STATUS AS HOLDER OF SHARES.  Each exercise of
this  Warrant  shall be deemed to have been  effected  immediately  prior to the
close of business on the day on which this Warrant  shall have been  surrendered
to the Company as provided in Subsection  1(a) above (the "Exercise  Date").  At
such time,  the person or  persons in whose name or names any  certificates  for
Warrant  Shares shall be issuable  upon such  exercise as provided in Subsection
1(c) below shall be deemed to have become the holder or holders of record of the
Warrant Shares represented by such certificates.

<PAGE>

            (c)  ISSUANCE  OF  CERTIFICATES.  As soon as  practicable  after the
exercise  of this  Warrant  in whole  or in part,  and in any  event  within  10
business days thereafter,  the Company, at its expense,  will cause to be issued
in the name of, and delivered to, the Holder,  or as the Holder (upon payment by
the Holder of any applicable transfer taxes) may direct:

                  (i) a  certificate  or  certificates  for the  number  of full
Warrant Shares to which the Holder shall be entitled upon such exercise plus, in
lieu of any  fractional  share to which the Holder would  otherwise be entitled,
cash in an amount determined pursuant to Section 3 hereof; and

                  (ii) in case such  exercise is in part only,  a new warrant or
warrants (dated the date hereof) of like tenor,  calling in the aggregate on the
face or faces  thereof for the number of Warrant  Shares equal  (without  giving
effect to any adjustment therein) to the number of such shares called for on the
face of this Warrant  minus the number of Warrant  Shares for which this Warrant
was so exercised.

            (d) WARRANT SHARES. The Warrant Shares issued upon any such exercise
of this Warrant shall be validly issued, fully paid and non-assessable.

      2. ADJUSTMENTS.

            (a)  ADJUSTMENT  FOR STOCK SPLITS AND  COMBINATIONS.  If the Company
shall at any time or from time to time after the Issue Date (or, if this Warrant
was issued upon partial  exercise of, or in replacement  of, another  warrant of
like  tenor,  then the date on which such  original  warrant  was first  issued)
(either  such date being  referred to as the  "Original  Issue  Date")  effect a
subdivision of the outstanding  Common Stock,  the Purchase Price then in effect
immediately before that subdivision shall be proportionately  decreased.  If the
Company  shall at any time or from time to time  after the  Original  Issue Date
combine the  outstanding  shares of Common  Stock,  the  Purchase  Price then in
effect immediately  before the combination shall be  proportionately  increased.
Any adjustment under this Subsection 2(a) shall become effective at the close of
business on the date the subdivision or combination becomes effective.

            (b) ADJUSTMENT FOR CERTAIN DIVIDENDS AND DISTRIBUTIONS. In the event
the Company at any time or from time to time after the Original Issue Date shall
make or issue, or fix a record date for the  determination  of holders of Common
Stock entitled to receive, a dividend or other distribution payable in shares of
Common  Stock,  then and in each such  event the  Purchase  Price then in effect
immediately before such event shall be decreased as of the time of such issuance
or, in the event such a record  date shall have been  fixed,  as of the close of
business on such record date, by  multiplying  the Purchase Price then in effect
by a fraction:

                        (1) the numerator of which shall be the total
number of shares of Common Stock issued and outstanding immediately prior to the
time of such issuance or the close of business on such record date, and

                                      - 2 -
<PAGE>

                        (2) the denominator of which shall be the total
number of shares of Common Stock issued and outstanding immediately prior to the
time of such  issuance  or the close of  business  on such  record date plus the
number of shares of  Common  Stock  issuable  in  payment  of such  dividend  or
distribution;

PROVIDED,  HOWEVER,  that if such  record  date  shall  have been fixed and such
dividend is not fully paid or if such distribution is not fully made on the date
fixed  therefor,  the Purchase  Price shall be recomputed  accordingly as of the
close of business on such record date and thereafter the Purchase Price shall be
adjusted  pursuant to this  Subsection  2(b) as of the time of actual payment of
such dividends or distributions.

            (c) ADJUSTMENT IN NUMBER OF WARRANT  SHARES.  When any adjustment is
required to be made to the Purchase Price pursuant to Subsections  2(a) or 2(b),
the number of Warrant Shares purchasable upon the exercise of this Warrant shall
be changed to the  number  determined  by  dividing  (i) an amount  equal to the
number of shares issuable upon the exercise of this Warrant immediately prior to
such adjustment, multiplied by the Purchase Price in effect immediately prior to
such  adjustment,  by (ii) the Purchase Price in effect  immediately  after such
adjustment.

            (d)  ADJUSTMENT  FOR  REORGANIZATION.   If  there  shall  occur  any
reorganization,  recapitalization,  reclassification,  consolidation  or  merger
involving  the Company in which the Common Stock is converted  into or exchanged
for  securities,  cash or other  property  (other than a transaction  covered by
Subsections 2(a) or 2(b)) (collectively,  a  "Reorganization"),  then, following
such Reorganization,  the Holder shall receive upon exercise hereof the kind and
amount of  securities,  cash or other  property which the Holder would have been
entitled to receive pursuant to such  Reorganization  if such exercise had taken
place immediately prior to such  Reorganization.  In any such case,  appropriate
adjustment  (as  determined  in good  faith by the  Board)  shall be made in the
application  of the  provisions  set forth herein with respect to the rights and
interests  thereafter of the Holder, to the end that the provisions set forth in
this  Section 2  (including  provisions  with  respect  to  changes in and other
adjustments of the Purchase Price) shall thereafter be applicable,  as nearly as
reasonably  may be,  in  relation  to any  securities,  cash or  other  property
thereafter deliverable upon the exercise of this Warrant.

            (e) NO ADJUSTMENTS IN CERTAIN CASES.  No adjustment in the number of
Warrant Shares purchasable pursuant to this Warrant shall be required unless the
adjustment  would require an increase or decrease of at least one percent (1.0%)
in the number of Warrant  Shares  then  purchasable  upon the  exercise  of this
Warrant.  Except as  provided  in this  Section 2, no other  adjustments  in the
number, kind or price of shares constituting Warrant Shares shall be made during
the term, or upon the exercise,  of this Warrant.  Further, no adjustments shall
be made  pursuant  to this  Section  2 hereof  in  connection  with the grant or
exercise of presently  authorized  or  outstanding  options to purchase,  or the
issuance of shares of Common Stock  under,  the  Company's  director or employee
benefit, option and incentive plans.

            (f) TREASURY STOCK. For purposes of this Section 2, shares of Common
Stock owned or held at any relevant time by, or for the account of, the Company,
in its treasury or otherwise, shall not be deemed to be outstanding for purposes
of the calculations and adjustments herein described.

                                      - 3 -
<PAGE>

      3. FRACTIONAL  SHARES. The Company shall not be required upon the exercise
of this  Warrant to issue any  fractional  shares,  but shall pay in cash to the
Holder an amount equal to such fraction  multiplied by the fair market value per
share of Common Stock, as determined by the Board of Directors in good faith.

      4. INVESTMENT REPRESENTATIONS.  The initial Holder represents and warrants
to the Company as follows:

            (a)  INVESTMENT.  The Holder is acquiring this Warrant,  and (if and
when such Holder  exercises this Warrant) will acquire the Warrant  Shares,  for
such Holder's own account for  investment and not with a view to, or for sale in
connection with, any  distribution  thereof,  nor with any present  intention of
distributing  or selling the same; and the Holder has no present or contemplated
agreement,  undertaking,  arrangement,  obligation,  indebtedness  or commitment
providing for the disposition thereof.

            (b) ACCREDITED INVESTOR.  The Holder is an "accredited  investor" as
defined in Rule 501(a) under the Act.

            (c)  EXPERIENCE.  The Holder has made such  inquiry  concerning  the
Company and its business and personnel as the Holder has deemed appropriate; and
the Holder has sufficient  knowledge and experience in finance and business that
the Holder is capable of evaluating the risks and merits of an investment in the
Company.

      5. TRANSFERS, ETC.

            (a) This Warrant and the Warrant  Shares shall not be offered,  sold
or transferred unless either (i) they first shall have been registered under the
Act and any applicable  state  securities  laws, or (ii) the Company first shall
have been  furnished  with an  opinion  of legal  counsel,  satisfactory  to the
Company,  to the effect  that such  offer,  sale or  transfer is exempt from the
registration requirements of the Act and any applicable state securities laws.

            (b) Each Warrant and certificate  representing  Warrant Shares shall
bear a legend substantially in the following form:

                  "The securities  represented by this certificate have not been
                  registered  under the Securities  Act of 1933, as amended,  or
                  any state  securities  laws,  and may not be offered,  sold or
                  otherwise  transferred,  pledged  or  hypothecated  unless and
                  until  such  securities  are  registered  under  such  act and
                  applicable  state  securities  laws or an  opinion  of counsel
                  reasonably  satisfactory  to the  Company is  obtained  to the
                  effect that such registration is not required."

      The foregoing legend shall be removed from the  certificates  representing
any Warrant Shares,  at the request of the holder thereof,  at such time as they
become eligible for resale pursuant to Rule 144 under the Act.

                                      - 4 -
<PAGE>

            (c) The Company  will  maintain a register  containing  the name and
address of the  Holder of this  Warrant.  The  Holder  may  change the  Holder's
address  as shown on the  warrant  register  by  written  notice to the  Company
requesting such change.

            (d) Subject to the provisions of clauses (a) and (b) of this Section
5, this Warrant and all rights hereunder are transferable,  in whole or in part,
upon surrender of this Warrant with a properly executed  assignment (in the form
of EXHIBIT II hereto) at the  principal  office of the  Company  (or, if another
office or agency has been  designated by the Company for such  purpose,  then at
such other office or agency).  Upon the presentation and surrender of such items
to the  Company,  the Company  shall  execute and deliver to the  transferee  or
transferees  of this  Warrant  a new  Warrant  or  Warrants,  in the name of the
transferee or  transferees  named in the  assignment,  and this Warrant shall at
that time be canceled to the extent transferred.

      6.  PIGGY-BACK  REGISTRATION  RIGHTS.  If at any time  prior to the  third
anniversary  of the Issue Date  hereof,  the Company  proposes or is required to
file a  registration  statement  registering  any  shares  of  Common  Stock  or
securities convertible into or exchangeable for Common Stock (other than on Form
S-4 or Form  S-8,  or such  other  forms as the  U.S.  Securities  and  Exchange
Commission  may  hereafter   promulgate  for   registration   of  securities  in
transactions  for which Form S-4 or Form S-8 may be used as of the date hereof),
whether or not for its own account, the Company shall give written notice to the
Holder of its  intention to do so as soon as  practicable,  and in no event less
than 20 business days prior to the anticipated  filing date of such registration
statement.  Such notice shall offer the Holder the  opportunity to register such
number of shares of Common  Stock as the Holder has  acquired  upon the exercise
hereof. Upon written request by the Holder within 10 business days after receipt
of such notice,  the Company shall use its  commercially  reasonable  efforts to
include in the  securities to be registered by such  registration  statement all
shares of Common Stock,  acquired by the Holder upon the exercise  hereof,  that
the Holder indicates in such notice that the Holder desires to sell,  subject to
the following terms and conditions:  (a) if such registration statement is for a
prospective  underwritten  offering, the Holder shall agree to (i) enter into an
underwriting  agreement,  if required, in customary form with the underwriter or
underwriters selected by the Company, and (ii) sell the Holder's securities,  if
the Company so requests,  on the same basis and upon the same terms as the other
securities  covered by such  registration  statement,  and PROVIDED  that if the
number of shares of Common  Stock  proposed to be  registered  in such  offering
exceeds  the  amount of shares  which the  underwriters  reasonably  believe  is
compatible  with the success of such  underwritten  offering or would  otherwise
materially and adversely  affect such offering,  the Company shall so advise all
holders  (including  the  Holder)  of Common  Stock  which  would  otherwise  be
registered, and the number of shares of Common Stock that may be included in the
underwriting shall be reduced as required by the underwriter(s),  such reduction
to be allocated  among the holders  (including  the Holder) of Common Stock on a
pro rata basis  according to the number of shares of Common  Stock  requested by
such holders  (including the Holder) to be registered  and offered;  and (b) the
Company may withdraw any such registration statement before it becomes effective
or  postpone  the  offering  of  securities  contemplated  by such  registration
statement without any obligation to the Holder or any other holder.  The Company
shall have exclusive control over the preparation and filing of any registration
statement  proposed to be filed under this  Section 6 as well as any  amendments
and supplements thereto and the withdrawal or revocation thereof.  The Company's
obligations  pursuant to this Section 6 are subject to the Holder's  cooperation
with respect to any such proposed registration, including but not limited to the
provision of such information as may reasonably be requested by the Company, the
underwriter(s) or any other authorized parties and the execution and delivery of
such  agreements  (including   indemnification  and  contribution   agreements),
instruments  and  documents  as may be  reasonably  requested  thereby,  and the
Holder's  compliance  with  all  applicable  laws.  The  Company  shall  pay all
reasonable  expenses  incurred in connection with the registration  contemplated
hereby,  including  without  limitation  registration and filing fees,  printing
expenses, and fees and expenses of counsel for the Company.  Notwithstanding the
foregoing, underwriting discounts and commissions and transfer taxes relating to
the Holder's registered securities included in any registration  hereunder,  and
all fees and expenses for counsel to the Holder,  shall be borne and paid by the
Holder.  The registration  rights and other rights granted in this Section 6 are
not  assignable,  in whole or in part,  without the prior written consent of the
Company.

                                      - 5 -
<PAGE>

      7.  REGISTRATION  PROCEDURES.  Whenever the Holder has requested  that any
shares of Common Stock acquired by the Holder upon exercise hereof be registered
pursuant to Section 6 above, the Company shall use its  commercially  reasonable
efforts to effect the registration and the sale or distribution of such stock in
accordance  with the intended method of disposition  thereof,  and in connection
with any such request, the Company shall:

            (a) include in such registration statement all information regarding
the  Holder and such  Holder's  intended  plan of  distribution  as is  required
pursuant to applicable  rules and  regulations  of the  Securities  and Exchange
Commission,  such  information to provided to the Company and its counsel by the
Holder  simultaneously  with the Holder's request for registration in accordance
with Section 6 above;

            (b) prepare and file with the  Securities  and  Exchange  Commission
such  amendments  and  supplements  to  such  registration   statement  and  the
prospectus  used in  connection  therewith  as may be  necessary  to  keep  such
registration  statement effective for a period of not less than ninety (90) days
or such shorter period as shall terminate when the distribution of all shares of
Common Stock held by the Holder and covered by such registration statement shall
have  terminated  (but not before the  expiration  of the ninety day (90) period
referred to in Section 4(3) of the  Securities Act and Rule 174  thereunder,  if
applicable) and comply with the provisions of the Securities Act with respect to
the disposition of all securities covered by such registration  statement during
such period in accordance with the intended methods of disposition by the Holder
set forth in such registration statement;

            (c) as soon as reasonably practicable,  furnish to the Holder, prior
to filing a registration  statement,  copies of such  registration  statement as
proposed to be filed and thereafter  furnish to the Holder such number of copies
of such  registration  statement,  each  amendment and supplement  thereto,  the
prospectus included in such registration  statement  (including each preliminary
prospectus)  and such other  documents as the Holder may  reasonably  request in
order to facilitate the  disposition of the Common Stock owned by the Holder and
covered by such registration statement;

            (d) at the Holder's expense, use its commercially reasonable efforts
to register or qualify such shares of Common  Stock under such other  securities
or blue sky laws of such  jurisdictions  within the United  States and Canada as
the Holder  reasonably (in light of the Holder's  intended plan of distribution)
requests  and do any and all  other  acts and  things  which  may be  reasonably
necessary or advisable to enable the Holder to  consummate  the  disposition  in
such  jurisdictions  of the Common Stock owned by the Holder and covered by such
registration  statement;  PROVIDED that the Company shall not be required to (i)
qualify generally to do business or file a general consent to service of process
in any  jurisdiction  or (ii)  take any  action  that  would  subject  itself to
taxation in any such jurisdiction;

                                      - 6 -
<PAGE>

            (e) promptly  notify the Holder,  at any time when a  prospectus  is
required to be delivered  under the  Securities  Act, of the  occurrence  of any
event  known  to the  Company  requiring  the  preparation  of a  supplement  or
amendment to such prospectus so that, as thereafter  delivered to the purchasers
or recipients of such Common Stock,  such  prospectus will not contain an untrue
statement of a material  fact or omit to state any material  fact required to be
stated  therein or necessary to make the  statements  therein not misleading and
promptly make available to the Holder any such supplement or amendment;

            (f)  promptly  notify the Holder of any stop order issued or, to the
knowledge of the Company,  threatened by the Securities and Exchange  Commission
and take all  reasonable  actions to prevent  the entry of such stop order or to
remove it if entered; and

            (g)  otherwise  use  its  reasonable  efforts  to  comply  with  all
applicable rules and regulations of the Securities and Exchange Commission.

Upon  receipt of any notice from the Company of the  occurrence  of any event of
the kind  described  in  Subsection  (e)  hereof,  the  Holder  shall  forthwith
discontinue all offerings, sales and other dispositions of Common Stock pursuant
to the registration  statement covering such stock until the Holder's receipt of
the copies of the supplemented or amended prospectus  contemplated by Subsection
(e) hereof.  In the event the Company  shall give any such  notice,  the Company
shall  extend  the period  during  which such  registration  statement  shall be
maintained  effective pursuant to this Warrant (including the period referred to
in  Subsection  (b)  hereof)  by the number of days  during the period  from and
including  the date of the giving of such  notice  pursuant  to  Subsection  (b)
hereof to and  including  the first date on which the Holder shall have received
the copies of the supplemented or amended prospectus  contemplated by Subsection
(e)  hereof.  The Holder  shall  notify  the  Company  immediately  if any event
relating  to  the  Holder  occurs  which  would  require  the  preparation  of a
supplement  or  amendment to the  prospectus  so that such  prospectus  will not
contain an untrue  statement of a material fact or omit to state a material fact
required to be stated  therein or necessary to make the  statements  therein not
misleading.

      8. NO IMPAIRMENT; ADJUSTMENT OF PAR VALUE.

            (a) The Company will not, by amendment of its charter or through any
reorganization, transfer of assets, consolidation, merger, dissolution, issue or
sale of securities  or any other  voluntary  action,  avoid or seek to avoid the
observance or performance  of any of the terms of this Warrant,  but will at all
times in good  faith  assist in the  carrying  out of all such  terms and in the
taking of all such action as may be necessary or appropriate in order to protect
the rights of the Holder against impairment.

                                      - 7 -
<PAGE>

            (b) Before taking any action that would cause an adjustment reducing
the  Purchase  Price per share below the then par value of the shares of Warrant
Shares  issuable  upon  exercise  of the  Warrant,  the  Company  will  take any
corporate action that may be necessary in order that the Company may validly and
legally  issue fully paid and  non-assessable  shares of such Warrant  Shares at
such adjusted price.

      9. RECORD DATE, ETC. In the event:

            (a) the  Company  shall  take a record of the  holders of its Common
Stock (or other stock or securities at the time deliverable upon the exercise of
this  Warrant)  for the purpose of  entitling  or  enabling  them to receive any
dividend  or other  distribution,  or to receive any right to  subscribe  for or
purchase any shares of stock of any class or any other securities, or to receive
any other right; or

            (b)  of   any   capital   reorganization   of   the   Company,   any
reclassification of the Common Stock of the Company, any consolidation or merger
of the Company with or into another  corporation  (other than a consolidation or
merger in which the Company is the surviving  entity and its Common Stock is not
converted  into or  exchanged  for any other  securities  or  property),  or any
transfer of all or substantially all of the assets of the Company; or

            (c) of the  voluntary or  involuntary  dissolution,  liquidation  or
winding-up of the Company,

then,  and in each such case,  the Company  will send or cause to be sent to the
Holder a notice  specifying,  as the case may be, (i) the  record  date for such
dividend,  distribution or right, and the amount and character of such dividend,
distribution or right, or (ii) the effective date on which such  reorganization,
reclassification,  consolidation,  merger, transfer, dissolution, liquidation or
winding-up is to take place,  and the time,  if any is to be fixed,  as of which
the holders of record of Common Stock (or such other stock or  securities at the
time  deliverable  upon the  exercise  of this  Warrant)  shall be  entitled  to
exchange  their shares of Common Stock (or such other stock or  securities)  for
securities   or   other   property   deliverable   upon   such   reorganization,
reclassification,  consolidation,  merger, transfer, dissolution, liquidation or
winding-up.  Such notice shall be sent at least 10 days prior to the record date
or effective date for the event specified in such notice.

      10.  RESERVATION OF STOCK.  The Company will at all times reserve and keep
available,  solely for issuance and delivery  upon the exercise of this Warrant,
such number of Warrant Shares and other securities, cash and/or property as from
time to time shall be issuable upon the exercise of this Warrant.

      11. EXCHANGE OR REPLACEMENT OF WARRANTS.

            (a) Upon the  surrender  by the  Holder  of this  Warrant,  properly
endorsed,  to the Company at the  principal  office of the Company,  the Company
will,  subject to the  provisions  of Section 5 hereof,  issue and deliver to or
upon the  order of the  Holder,  at the  Company's  expense,  a new  Warrant  or
Warrants of like tenor, in the name of the Holder or as the Holder (upon payment
by the  Holder of any  applicable  transfer  taxes) may  direct,  calling in the
aggregate on the face or faces  thereof for the number of shares of Common Stock
(or other securities,  cash and/or property) then issuable upon exercise of this
Warrant.

                                      - 8 -
<PAGE>

            (b) Upon receipt of evidence reasonably  satisfactory to the Company
of the loss,  theft,  destruction or mutilation of this Warrant and (in the case
of loss,  theft or  destruction)  upon delivery of an indemnity  agreement (with
surety if  reasonably  required)  in an amount  reasonably  satisfactory  to the
Company,  or (in the case of mutilation) upon surrender and cancellation of this
Warrant, the Company will issue, in lieu thereof, a new Warrant of like tenor.

      12. NOTICES.  All notices and other communications from the Company to the
Holder in connection  herewith shall be mailed by certified or registered  mail,
postage prepaid,  or sent via a reputable  nationwide  overnight courier service
guaranteeing  next business day delivery,  to the address last  furnished to the
Company in writing by the Holder. All notices and other  communications from the
Holder to the Company in  connection  herewith  shall be mailed by  certified or
registered mail, postage prepaid, or sent via a reputable  nationwide  overnight
courier service  guaranteeing next business day delivery,  to the Company at its
principal  office set forth above.  If the Company should at any time change the
location of its  principal  office to a place other than as set forth above,  it
shall give prompt  written notice to the Holder and thereafter all references in
this  Warrant to the location of its  principal  office at the  particular  time
shall be as so  specified in such  notice.  All such notices and  communications
shall be deemed  delivered (a) three business days after being sent by certified
or registered  mail,  return  receipt  requested,  postage  prepaid,  or (b) one
business  day after  being sent via a  reputable  nationwide  overnight  courier
service guaranteeing next business day delivery.

      13. NO RIGHTS AS STOCKHOLDER;  NO LIABILITY.  No provision of this Warrant
shall be  construed  as  conferring  upon the  Holder  hereof the right to vote,
consent,  receive  dividends or receive  notice as a  stockholder  in respect of
meetings of  stockholders  for the  election of  directors of the Company or any
other matter  whatsoever  as a  stockholder  of the  Company.  In the absence of
affirmative  action by the Holder hereof to purchase  shares of Common Stock, no
provision  hereof  shall  give  rise to any  liability  of such  Holder  for the
purchase  price or as a stockholder  of the Company,  whether such  liability is
asserted by the Company or by creditors of the Company.

      14. PAYMENT OF TAXES. The Company will pay all documentary stamp taxes, if
any,  attributable  to the  initial  issuance  of this  Warrant or the shares of
Common Stock comprising the Warrant Shares; PROVIDED, HOWEVER, the Company shall
not be required to pay any tax that may be payable in respect of any transfer of
this Warrant or Warrant Shares.

      15. AMENDMENT OR WAIVER. Any term of this Warrant may be amended or waived
only by an instrument in writing  signed by the party against which  enforcement
of the  change  or waiver is  sought.  No  waivers  of any  term,  condition  or
provision of this Warrant, in any one or more instances,  shall be deemed to be,
or construed as, a further or continuing  waiver of any such term,  condition or
provision or any other term, condition or provision hereof.

      16.  SECTION  HEADINGS.  The section  headings in this Warrant are for the
convenience  of the parties only and in no way alter,  modify,  amend,  limit or
restrict the contractual obligations of the parties.

      17. SEVERABILITY.  If any provision of this Warrant shall be held invalid,
illegal or unenforceable,  such invalidity, illegality or unenforceability shall
not affect any other  provision of this Warrant and, to this end, the provisions
hereof are severable.

                                      - 9 -
<PAGE>

      18.  ASSIGNMENT.  This  Warrant  shall be  binding  upon and  inure to the
benefit  of  the   parties   hereto  and  their   respective   heirs,   personal
representatives, successors and permitted assigns.

      19.  GOVERNING  LAW.  This  Warrant  will be governed by and  construed in
accordance with the internal laws of the State of Delaware (without reference to
the conflicts of law provisions thereof).

      20.  SIGNATURES.  This Warrant may be executed in one or more counterparts
by facsimile signature.

                        (Signature appears on next page).

                                     - 10 -
<PAGE>

      EFFECTIVE as of the Issue Date indicated above.

                                    MOLECULAR DIAGNOSTICS, INC.

                                    By:
                                       --------------------------------------
                                    Title:
                                          -----------------------------------

                                     - 11 -
<PAGE>

                                                                       EXHIBIT I

                                  PURCHASE FORM

To:                                                       Dated:
   -----------------                                            --------------

      The  undersigned,  pursuant to the  provisions  set forth in the  attached
Warrant (No. ___),  hereby elects to purchase  ___________  shares of the Common
Stock of Molecular Diagnostics, Inc. (d/b/a Cytocorp) by such Warrant.

      The undersigned herewith makes payment of the full Purchase Price for such
shares at the price per share  provided for in such Warrant.  Such payment shall
be in the aggregate amount of $_______________ in cash, certified or bank check,
or wire transfer of immediately available funds.

                                    Signature:
                                              -------------------------------

                                    Address:
                                             --------------------------------

                                             --------------------------------

                                     - 12 -
<PAGE>

                                                                    EXHIBIT II

                                 ASSIGNMENT FORM

      FOR VALUE RECEIVED, ________________________________________ hereby sells,
assigns and  transfers all of the rights of the  undersigned  under the attached
Warrant  (No. _____) with  respect  to the  number of shares of Common  Stock of
Molecular  Diagnostics,  Inc. (d/b/a Cytocorp)  covered thereby set forth below,
unto:

NAME OF ASSIGNEE              ADDRESS                    NO. OF SHARES
----------------              -------                    -------------

Dated:                              Signature:
      -------------------                     ---------------------------------

Signature Guaranteed:

By:
   ----------------------

The signature should be guaranteed by an eligible guarantor  institution (banks,
stockbrokers, savings and loan associations and credit unions with membership in
an approved  signature  guarantee  medallion program) pursuant to Rule 17A under
the Securities Exchange Act of 1934, as amended.

                                     - 13 -

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