Implant Sciences Corp to Exhibit at AVSEC World 2007

Business Editors/Security Writers

WAKEFIELD, Mass.--(BUSINESS WIRE)--October 25, 2007--Implant Sciences Corporation (AMEX: IMX) today announced it will exhibit its Quantum Sniffer technology for the detection of trace explosives, including its commercially available QS-H150 portable and QS-BTS Benchtop explosives detectors, at the AVSEC World 2007 exhibition. AVSEC World 2007, one of the premier international aviation security events, will be held at the Westin Bayshore Hotel in Vancouver, Canada from October 30, 2007 through November 1, 2007. Senior executives and other Corporate representatives will be available at Booth #32 to meet with customers, distributors, vendors, investors and any other parties interested in learning more about the Company, its technology and products. Interested parties may register for AVSEC World 2007 at

Phillip C. Thomas, Implant Sciences President and CEO, commented, “AVSEC World 2007 is a gathering of senior aviation security professionals from the world’ s airlines, governments, airport authorities, law enforcement agencies and security equipment manufacturers, which provides a forum to see how industry is responding to the security challenges that are faced in this day and age. We look forward to the opportunity to meet with these professionals and discussing new strategies, approaches and technologies, such as those offered by Implant Sciences, which could facilitate the efficient and secure operation of civil aviation in a diverse and growing worldwide market.”

About Implant Sciences

Implant Sciences develops, manufactures and sells products through its primary business units: (i) explosives trace detection (ETD) systems for homeland security, defense, and other security related applications and (ii) state of the art services for the medical and semiconductor industries. The Company has developed proprietary technology used in its commercial portable and bench-top ETD systems, which ship to a growing number of locations around the world and domestically, and is developing several next-generation ETD systems.

The Company’ s ETD products and developments address many important security needs in aviation, cargo, transportation, and other related elements of the government and commercial infrastructure. In addition to its security market focus, the Company provides high technology coatings for a variety of medical products at its main facility in Wakefield, Massachusetts and provides ion implantation services to the semiconductor industry from its location in Sunnyvale, California. For further details on the Company and its products, please visit the Company’ s new website at

Implant Sciences believes this press release contains forward-looking statements as that term is defined in the Private Securities Litigation Reform Act of 1995. Such forward-looking statements are subject to risks and uncertainties. Such statements are based on management's current expectations and are subject to facts that could cause results to differ materially from the forward-looking statements.

For further information, you are encouraged to review Implant Sciences’ filings with the Securities and Exchange Commission, including its Annual Report on Form 10K for the period ended June 30, 2007. The Company assumes no obligation to update the information contained in this press release.

Implant Sciences CorporationInvestor Relations781-246-0700 or 508-523-3141david@implantsciences.comwww.implantsciences.comorCatalyst Financial ResourcesThomas T. O’ Brien,

State Keywords: MassachusettsIndustry Keywords: Technology; Other Technology; Transport; Air; Security; Public Policy/Government; Homeland SecuritySource: Implant Sciences Corporation