**EXHIBIT 31.1**

 

IMPLANT SCIENCESCORPORATION

CERTIFICATION OF CHIEFEXECUTIVE OFFICER

Section 302 Certification

 

I, Anthony J. Armini, certify that:

 

1.               I have reviewedthis annual report on Form 10-KSB/A of Implant Sciences Corporation, aMassachusetts corporation (the “registrant”);

 

2.               Based on myknowledge, this report does not contain any untrue statement of a material factor omit to state a material fact necessary to make the statements made, inlight of the circumstances under which such statements were made, notmisleading with respect to the period covered by this report;

 

3.               Based on myknowledge, the financial statements, and other financial information includedin this report, fairly present in all material respects the financialcondition, results of operations and cash flows of the registrant as of, andfor, the periods presented in this report;

 

4.               The registrant’sother certifying officer 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 have:

 

a.               designed suchdisclosure controls and procedures, or caused such disclosure controls andprocedures to be designed under our supervision, to ensure that materialinformation relating to the registrant, including its consolidatedsubsidiaries, is made known to us by others within those entities, particularlyduring the period in which this report is being prepared;

 

b.              evaluated theeffectiveness of the registrant’s disclosure controls and procedures andpresented in this report our conclusions about the effectiveness of thedisclosure controls and procedures as of the end of the period covered by thisreport based on such evaluation ; and

 

c.               disclosed in thisreport any change in the registrants internal controls over financial reportingthat occurred during the most recent fiscal quarter that has materiallyeffected or is reasonably likely to materially effect, the registrant’sinternal control over financial reporting: and

 

5.               The registrant’sother certifying officer and I have disclosed, based on our most recentevaluation of internal control over financial reporting, to the registrant’sauditors and the audit committee of registrant’s board of directors:

 

a.               allsignificant deficiencies and material weaknesses in the design or operation ofinternal controls over financial reporting which are reasonably likely toadversely affect the registrant’s ability to record, process, summarize andreport financial information: and

 

b.              any fraud, whetheror not material, that involves management or other employees who have asignificant role in the registrant’s internal control over financial reporting.

 
| Date: November 10, 2004 | by:                                    |   /s/ Anthony  J. Armini |   |
|-------------------------|----------------------------------------|------------------------------------|--------|
|                    | Anthony  J. Armini                     |
|                    | President  and Chief Executive Officer |

 

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