**EXHIBIT 31.1**

 

I,Irwin J. Gruverman, certify that:

 

1.                                       I have reviewed this annual report on Form10-K/A of MFIC Corporation;

 

2.                                       Based on my knowledge, this annual reportdoes not contain any untrue statement of a material fact or omit to state amaterial fact necessary to make the statements made, in light of thecircumstances under which such statements were made, not misleading withrespect to the period covered by this annual report;

 

3.                                       Based on my knowledge, the financialstatements, and other financial information included in this annual report,fairly present in all material respects the financial condition, results ofoperations and cash flows of the registrant as of, and for, the periodspresented in this annual report;

 

4.                                       The registrant’s other certifying officer(s)and I are responsible for establishing and maintainingdisclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e)and 15d-15(e)) for the registrant and we have:

 

(a)                                  designed such disclosure controls andprocedures, or caused such disclosure controls and procedures to be designedunder our supervision, to ensure that material information relating to theregistrant, including its consolidated subsidiaries, is made known to us byothers within those entities, particularly during the period in which thisannual report is being prepared;

 

(b)                                 evaluated the effectiveness of the registrant’sdisclosure controls and procedures presented in this report our conclusionsabout the effectiveness of the disclosure controls and procedures, as of theend of the period covered by this report based on such evaluation; and

 

(c)                                  disclosed in this report any change in theregistrant’s internal control over financial reporting that occurred during theregistrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarterin the case of an annual report) that has materially affected, or is reasonablylikely to materially affect, the registrant’s internal control over financialreporting; and

 

5.                                       The registrant’s other certifying officer(s)and I have disclosed, based on our most recent evaluation of internal controlover financial reporting, to the registrant’s auditors and the audit committeeof registrant’s board of directors (or persons performing the equivalentfunctions):

 

(a)                                  all significant deficiencies and materialweaknesses in the design or operation of internal control over financialreporting which are reasonably likely to adversely affect the registrant’sability to record, process, summarize and report financial information; and

 

(b)                                 any fraud, whether or not material, thatinvolves management or other employees who have a significant role in theregistrant’s internal control over financial reporting.

 
| Date:  April 29, 2005                                  |   |
|--------------------------------------------------------|--------|
|                                                   |   |
|                                                   |   |
| /s/  Irwin J. Gruverman                                |   |
| Irwin  J. Gruverman                                    |   |
| Chief  Executive Officer (Principal Executive Officer) |   |

 

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