VOID AFTER 5:00 P.M., NEW YORK, NEW YORK LOCAL TIME ON MAY 19,
2010

THIS WARRANT AND THE SHARES OF COMMON STOCK ISSUABLE UPON
EXERCISE HEREOF (COLLECTIVELY THE "SECURITIES") HAVE BEEN
ACQUIRED FOR INVESTMENT ONLY AND HAVE NOT BEEN REGISTERED UNDER
THE SECURITIES ACT OF 1933, AS AMENDED, (THE "ACT") OR ANY STATE
SECURITIES LAW, AND MAY NOT BE SOLD, PLEDGED, HYPOTHECATED, OR
OTHERWISE TRANSFERRED IN THE ABSENCE OF AN EFFECTIVE REGISTRATION
STATEMENT UNDER THE ACT OR AN OPINION OF COUNSEL REASONABLY
SATISFACTORY TO DIASENSE, INC. THAT AN EXEMPTION FROM SUCH
REGISTRATION IS AVAILABLE.

THESE SECURITIES ARE SUBJECT TO RESTRICTIONS ON TRANSFERABILITY
AND RESALE AND MAY NOT BE TRANSFERRED OR RESOLD EXCEPT AS
PERMITTED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, AND THE
APPLICABLE STATE SECURITIES LAWS, PURSUANT TO REGISTRATION OR
EXEMPTION THEREFROM. INVESTORS SHOULD BE AWARE THAT THEY WILL BE
REQUIRED TO BEAR THE FINANCIAL RISKS OF THIS INVESTMENT FOR AN
INDEFINITE PERIOD OF TIME.

                         DIASENSE, INC.

 AMENDED AND RESTATED COMMON STOCK PURCHASE WARRANT CERTIFICATE
               TO PURCHASE SHARES OF COMMON STOCK

Certificate No. XW-002
November 11, 2005

     This amended and restated warrant certificate (as amended,
the "Warrant Certificate") amends and restates that certain
warrant certificate issued on May 19th, 2005 (the "Original
Certificate").  The Original Certificate is hereby cancelled and
replaced by this Warrant Certificate.  This Warrant Certificate
certifies that Michael Pitsakis an individual residing at 19
Argyle Avenue, Amherst, NY 14226 is the registered Holder (the
"Holder") of four million (4,000,000) Common Stock Purchase
Warrants (the "Warrants") to purchase shares of the common stock,
$.01 par value (the "Common Stock") of DIASENSE, INC., a
Pennsylvania corporation (the "Company"). These Warrants are
being issued in connection with a certain consulting agreement
between the Company and the Holder dated as of May 19, 2005 and
amended on November 11, 2005 (as amended, the "Consulting
Agreement").

     This Warrant Certificate is subject to the following terms
and conditions:

     1.   EXERCISE OF WARRANT.

          (A)  Each Warrant enables the Holder, subject to the provisions
of  this Warrant Certificate to purchase from the Company at  any
time  and  from time to time commencing on the date  hereof  (the
"Initial  Exercise Date") through and including  5:00  p.m.,  New
York  local time on MAY 19, 2010 (the "Expiration Date") one  (1)
fully  paid  and non-assessable share of Common Stock  ("Shares")
upon  due  presentation and surrender of this Warrant Certificate
accompanied by payment of the purchase price of $0.01  per  Share
(the "Exercise Price"), in accordance with the vesting provisions
set forth in subsection (B) hereof. Payment of the Exercise Price
shall be made in lawful money of the United States of America  by
certified check payable to the Company at its principal office at
2275  Swallow  Hill Road, Bldg. 2500; Pittsburgh,  PA  15220.  As
hereinafter  provided, the Exercise Price and  number  of  Shares
purchasable  upon  the exercise of the Warrants  are  subject  to
modification or adjustment upon the happening of certain events.

          (B)  This Warrant Certificate is exercisable by the Holder in
person or by attorney duly authorized in writing at the principal
office of the Company in the following amounts:

               1)   100,000 Warrants are exercisable at any time on or after the
Initial Exercise Date and until the Expiration Date;

               2)   150,000 Warrants are exercisable at such time as phase 1 of
the  development of the non-invasive glucose sensor is  completed
and  until  the Expiration Date, provided the Holder is providing
services to the Company under the Consulting Agreement.

3)   250,000 Warrants are exercisable at such time as phase 2 of
the development of the non-invasive glucose sensor is completed
and until the Expiration Date, provided the Holder is providing
services to the Company under the Consulting Agreement.
               4)   727,000 Warrants are exercisable at such time as a working
prototype  of  the non-invasive glucose sensor  is  complete  and
functional and until the Expiration Date, provided the Holder  is
providing services to the Company under the Consulting Agreement.

               5)   2,773,000 Warrants are exercisable at such
time the non-invasive glucose sensor is approved by the U.S. Food
and Drug Administration or other regulatory body and until the
Expiration Date, provided the Holder is providing services to the
Company under the Consulting Agreement.

     Notwithstanding the above, all Warrants represented by this
Warrant Certificate shall become exercisable at such time of (a)
a change of control of the Company after the date hereof or (b)
the sale or license of the non-invasive glucose sensor
intellectual property.

     2.   EXCHANGE, FRACTIONAL SHARES, TRANSFER.

          (A)  Upon surrender to the Company, this Warrant Certificate may
be   exchanged  for  another  Warrant  Certificate   or   Warrant
Certificates  evidencing a like aggregate number of Warrants.  If
this  Warrant Certificate shall be exercised in part, the  Holder
shall  be  entitled  to  receive upon  surrender  hereof  another
Warrant Certificate or Warrant Certificates evidencing the number
of Warrants not exercised;

          (B)  Anything herein to the contrary notwithstanding, in no event
shall  the  Company  be  obligated to issue Warrant  Certificates
evidencing  other  than  a  whole number  of  Warrants  or  issue
certificates evidencing other than a whole number of Shares  upon
the exercise of this Warrant Certificate; provided, however, that
the  Company  shall pay with respect to any such  fraction  of  a
Share  an amount of cash based upon the current Market Price  (or
book  value,  if  there  shall be no  Market  Price)  for  Shares
purchasable  upon  exercise hereof, as determined  in  accordance
with the following sentence. Market Price for the purpose of this
Section  2(B)  shall mean (i) the closing sale price,  for  sixty
(60) consecutive business days of the Common Stock as reported by
the  National  Association of Securities Dealers, Inc.  Automated
Quotation System or (ii) the last reported sale price, for  sixty
(60)  consecutive business days on the primary exchange on  which
the  Common Stock is traded, if the Common Stock is traded  on  a
national securities exchange;

          (C)  the Company may deem and treat the person in whose name this
Warrant Certificate is registered as the absolute true and lawful
owner hereof for all purposes whatsoever; and

          (D)  This Warrant Certificate is not transferable except in
accordance with Section 9 hereof.

     3.   RIGHTS OF A HOLDER. No Holder shall be deemed to be the
Holder  of  Common Stock or any other securities of  the  Company
that  may at any time be issuable on the exercise hereof for  any
purpose  nor  shall  anything contained herein  be  construed  to
confer upon the Holder any of the rights of a shareholder of  the
Company  or  any right to vote for the election of  directors  or
upon  any matter submitted to shareholders at any meeting thereof
or  to  give or withhold consent to any corporate action (whether
upon  any reorganization, issuance of stock, reclassification  or
conversion of stock, change of par value, consolidation,  merger,
conveyance, or otherwise) or to receive notice of meetings or  to
receive  dividends  or subscription rights or otherwise  until  a
Warrant   shall  have  been  exercised  and  the   Common   Stock
purchasable upon the exercise thereof shall have become issuable.

     4.   REGISTRATION. The Company shall maintain books for the
registration of Warrants. The Company shall issue and register
the Warrants in the name(s) of the Holder(s). The Warrants shall
be signed manually by the Chairman, Chief Executive Officer,
President or any Vice President on the one hand, and another
officer of the Company on the other hand. Warrants may be
exchanged at the option of the Holder, when surrendered at the
office of the Company, for another Warrant, or other Warrants of
different denominations, of like tenor and representing in the
aggregate the right to purchase a like number of Shares. Subject
to the terms of this Warrant Certificate, upon such surrender and
payment of the Exercise Price at any time after the Initial
Exercise Date, the Company shall issue and deliver with all
reasonable dispatch to or upon the written order of the Holder of
such Warrants and in such name or names as such Holder may
designate, a certificate or certificates for the number of full
Shares so purchased upon the exercise of such Warrants. Such
certificate or certificates shall be deemed to have been issued
and any person so designated to be named therein shall be deemed
to have become the Holder of record of such Shares as of the date
of the surrender of such Warrants and payment of the Exercise
Price; provided, however, that if, at the date of surrender and
payment, the transfer books of the Common Stock shall be closed,
the certificates for the Shares shall be issuable as of the date
on which such books shall be opened and until such date the
Company shall be under no duty to deliver any certificate for
such Shares; provided, further, however, that such transfer
books, unless otherwise required by law or by applicable rule of
any national securities exchange, shall not be closed at any one
time for a period longer than 20 days.

     5.   STAMP TAX. The Company will pay any documentary stamp taxes
attributable; to the initial issuance of the Shares issuable upon
the exercise of the Warrants; provided, however, that the Company
shall  not  be  required to pay any tax or  taxes  which  may  be
payable  in  respect of any transfer involved in the issuance  or
delivery of any certificates for Shares in a name other than that
of  the Holder in respect of which such Shares are issued, and in
such  case the Company shall not be required to issue or  deliver
any  certificate  for  Shares or any  Warrant  until  the  person
requesting  the same has paid to the Company the amount  of  such
tax  or  has established to the Company's satisfaction that  such
tax has been paid.

     6.   LOST, STOLEN OR MUTILATED CERTIFICATES. In case this Warrant
Certificate  shall be mutilated, lost, stolen or  destroyed,  the
Company may, in its discretion, issue and deliver in exchange and
substitution  for and upon cancellation of the mutilated  Warrant
Certificate, or in lieu of and substitution for the lost,  stolen
or  destroyed  Warrant Certificate, a new Warrant Certificate  of
like tenor representing an equivalent right or interest, but only
upon  receipt  of  evidence satisfactory to the Company  of  such
loss,  theft or destruction and an indemnity, if requested,  also
satisfactory to it.

     7.   RESERVED SHARES. The Company warrants that there have been
reserved, and covenants that at all times in the future, it shall
keep reserved, out of the authorized and unissued Common Stock,
such number of Shares sufficient to provide for the exercise of
the rights of purchase represented by this Warrant Certificate.
The Company agrees that all Shares issuable upon exercise of the
Warrants shall be, at the time of delivery of the certificates
for such Shares, validly issued and outstanding, fully paid and
non-assessable and that the issuance of such Shares will not give
rise to preemptive rights in favor of existing stockholders.

     8.   DIVIDENDS RECLASSIFICATIONS, ETC.

          (A)  Dividends; Reclassifications, etc. In the event that the
Company shall, at any time prior to the exercise of this Warrant:
(i)  declare or pay to the holders of the Common Stock a dividend
payable  in any kind of shares of stock of the Company;  or  (ii)
change  or  divide or otherwise reclassify its Common Stock  into
the  same  or  a different number of shares with or  without  par
value,  or  in shares of any class or classes; or (iii)  transfer
its  property as an entirety or substantially as an  entirety  to
any  other company; (iv) merge with or consolidate with  or  into
any other corporation or entity; or (v) make any distribution  of
its  assets  to  holders of its Common Stock as a liquidation  or
partial  liquidation  dividend or by way of  return  of  capital;
then,  upon  the subsequent exercise of this Warrant, the  Holder
shall  receive, in addition to or in substitution for the  shares
of Common Stock to which it would otherwise be entitled upon such
exercise,  such  additional shares  of  stock  or  scrip  of  the
Company, or such reclassified shares of stock of the Company,  or
such  shares  of  the  securities  or  property  of  the  Company
resulting  from  such transfer, or such assets  of  the  Company,
which  it  would have been entitled to receive had  it  exercised
this  Warrant  prior  to the happening of any  of  the  foregoing
events.

          (B)  Notice of Certain Transactions. If, at any time while this
Warrant  is  outstanding,  the Company  shall  pay  any  dividend
payable in cash or in Common Stock, shall offer to the holders of
its  Common Stock for subscription or purchase by them any shares
of stock of any class or any other rights, or shall enter into an
agreement  to merge or consolidate with another corporation,  the
Company shall cause notice thereof to be mailed to the registered
holder   of  this  Warrant  at  its  address  appearing  on   the
registration books of the Company, at least 10 days prior to  the
record date as of which holders of Common Stock shall participate
in such dividend, distribution or subscription or other rights or
at  least  10 days prior to the effective date of the  merger  or
consolidation.  Failure  to  give  notice  as  required  by  this
Section, or any defect therein, shall not affect the legality  or
validity  of any dividend, distribution or subscription or  other
right.

           (C)  Carry Forwards. Anything in this Section 8 to the contrary
notwithstanding, no adjustment in the Exercise Price shall be
required unless such adjustment would require an increase or
decrease of at least 10o in such Exercise Price; provided,
however, that any adjustments which by reason of this Subsection
(C) are not required to be made shall be carried forward and
taken into account in making subsequent adjustments. All
calculations under this Section 8 shall be made to the nearest
cent or to the nearest tenth of a share, as the case may be.

          (D)  Notice of Adjustments. Upon any adjustment of the Exercise
Price,  then  and  in each such case the Company  shall  promptly
deliver a notice to the registered Holder of this Warrant,  which
notice  shall  state  the  Exercise  Price  resulting  from  such
adjustment and the increase or decrease, if any, in the number of
Shares  purchasable  at  such price  upon  the  exercise  hereof,
setting forth in reasonable detail the method of calculation  and
the facts upon which such calculation is based.

     9.   TRANSFER TO COMPLY WITH THE SECURITIES ACT OF 1933.

          (A)  The Holder of this Warrant Certificate, and each transferee
of  any  Shares, by his acceptance thereof, agrees  that  (a)  no
public  distribution of Shares will be made in violation  of  the
Act,  and  (b) during such period as the delivery of a prospectus
with  respect  to Shares may be required by the  Act,  no  public
distribution  of  Shares will be made in a  manner  or  on  terms
different  from  those set forth in, or without  delivery  of,  a
prospectus then meeting the requirements of Section 10 of the Act
and  in  compliance  with applicable state securities  laws.  The
Holder  of  this  Warrant Certificate and each transferee  hereof
further agrees that if any distribution of any of the Warrants or
Shares  is proposed to be made by them otherwise than by delivery
of  a  prospectus meeting the requirements of Section 10  of  the
Act,  such  action  shall be taken only after submission  to  the
Company of an opinion of counsel, reasonably satisfactory in form
and  substance to the Company's counsel, to the effect  that  the
proposed distribution will not be in violation of the Act  or  of
applicable state law. Furthermore, it shall be a condition to the
transfer  of the Warrants that any transferee thereof deliver  to
the  Company his written agreement to accept and be bound by  all
of   the   terms   and  conditions  contained  in  this   Warrant
Certificate.

          (B)  The Shares issued on exercise of this Warrant may not be
sold or otherwise disposed of except as follows:

               1)   To a person who, in the opinion of counsel for the Holder
reasonably acceptable to the Company, is a person to whom  Shares
may  legally be transferred without registration and without  the
delivery  of  a  current prospectus under the  Act  with  respect
thereto  and  then only against receipt of an agreement  of  such
person  to  comply with the provisions of this  Section  10  with
respect  to  any resale or other disposition of such  securities,
which  agreement shall be satisfactory in form and  substance  to
the  Company  and its counsel; provided that the foregoing  shall
not  apply  to any such Warrant, Shares as to which  such  Holder
shall have received an opinion letter from counsel to the Company
as  to the exemption thereof from the registration under the  Act
pursuant to Rule 144(k) under the Act; or

               2)   To any person upon delivery of a prospectus then meeting the
requirements  of  the  Act relating to such  securities  and  the
offering thereof for such sale or disposition.

          (C)  Each certificate for Shares issued upon exercise of this
Warrant shall bear a legend relating to the non-registered status
of  such Shares under the Act, unless at the time of exercise  of
this  Warrant  such  Shares are subject to a currently  effective
registration statement under the Act.

     10.  MISCELLANEOUS.

          (A)  Law to Govern. This Warrant shall be governed by and
construed in accordance with the substantive laws of the State of
Pennsylvania,   without  giving  effect  to  conflict   of   laws
principles.

          (B)  Entire Agreement. This Warrant Certificate constitutes and
expresses the entire understanding between the parties hereto
with respect to the subject matter hereof, and supersedes all
prior and contemporaneous agreements and understandings,
inducements or conditions whether express or implied, oral or
written. Neither this Warrant Certificate nor any portion or
provision hereof may be changed, waived or amended orally or in
any manner other than by an agreement in writing signed by the
Holder and the Company.

           (C)   Notices.  Except as otherwise provided  in  this
Warrant  Certificate, all notices, requests,  demands  and  other
communications   required  or  permitted   under   this   Warrant
Certificate or by law shall be in writing and shall be deemed  to
have  been  duly  given, made and received  only  when  delivered
against  receipt  or when deposited in the United  States  mails,
certified  or registered mail, return receipt requested,  postage
prepaid, addressed as follows:

If to the Company:  DIASENSE, INC.
                    2275 Swallow Hill Road, Bldg. 2500
                    Pittsburgh, PA 15220
                    Attn:  Keith Keeling

With a copy to:     Gerard S. DiFiore, Esq.
                    Reed Smith LLP
                    599 Lexington Ave, 29th Floor
                    New York, NY 10022

If to Holder:       to the address set forth on Page 1.

           (D)   SEVERABILITY. If any provision of  this  Warrant
Certificate  is  prohibited  by or is unlawful  or  unenforceable
under  any  applicable  law of any jurisdiction,  such  provision
shall, as to such jurisdiction be in effect to the extent of such
prohibition without invalidating the remaining provisions hereof;
provided,  however, that any such prohibition in any jurisdiction
shall  not  invalidate such provision in any other  jurisdiction;
and  provided,  further  that where the provisions  of  any  such
applicable law may be waived, that they hereby are waived by  the
Company and the Holder to the full extent permitted by law and to
the extent that this Warrant Certificate shall be deemed to be  a
valid and binding agreement in accordance with its terms.

     IN WITNESS WHEREOF, DIASENSE, INC., has caused this Warrant
to be signed by its duly authorized officers under its corporate
seal as of this 11th day of November 2005.





                              DIASENSE INC.



                              By:       \s\ Keith R. Keeling

                              Name:     Keith R. Keeling

                              Title:    Chief Executive Officer




[Corporate Seal]


ATTEST:


By:  \s\ Steven L. McDonald

Name:     Steven McDonald

Title:    Secretary
                          PURCHASE FORM


To:       DIASENSE INC.
     2275 Swallow Hill Road, Bldg. 2500
     Pittsburgh, PA 15220

     Date:_________________________



      The  undersigned hereby irrevocably elects to exercise  the
attached  Warrant  Certificate, Certificate No.  XW-002,  to  the
extent  of                     Shares of Common Stock,  $.0l  par
value per share of DIASENSE INC., and hereby makes payment  of  $
in payment of the aggregate exercise price thereof.


           INSTRUCTIONS FOR REGISTRATION OF SECURITIES


Name:
          (Please typewrite or print in block letters)


Address:




Social Security Number or Tax I.D. Number of Holder


Dated:


IMPORTANT-READ CAREFULLY      Sign Here______________________

The signature(s) to this
Purchase Form must
correspond with the name(s)
as written upon the face of
the Warrant Certificate(s) in
every particular without alter-        ______________________
ation or enlargement                   (PERSON(S) EXECUTING THIS
or any change whatever. Signature        POWER SIGN(S) HERE)
guarantee should be made by a
member or member organization of
the New York Stock Exchange,             SIGNATURE GUARANTEED
members of other Exchanges having
signatures on file with the Company's
transfer agent or by a commercial bank or
trust company having its principal office
or correspondent in  the City of New York
belonging to the Medallian Stamp Program.