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Sionex to Contribute Technology to General Dynamics Chemical Solution Recently Selected by U.S. Defense Department

Bedford, Mass., November 27, 2007 - Sionex Corporation, a leading producer of commercialized chemical and biological sensors and sub-systems, today announced that it will supply General Dynamics Armament and Technical Products with Differential Mobility Spectrometry (DMS) technology. This Sionex technology will support General Dynamics’ recently announced contract with the U.S. Department of Defense under the first major phase of Increment 2 of the Joint Chemical Agent Detector (JCAD) Program.

The General Dynamics handheld chemical agent detector for the JCAD program, called the JUNO™ detector, incorporates the Sionex next-generation DMS technology, enabling improved detection, sensitivity and selectivity compared with that of traditional handheld chemical-agent detectors which are based on ion mobility spectrometry.

The goal of the JCAD program is to improve protection for the warfighter by making it possible for users to confidently, quickly and easily monitor exposure levels to multiple chemical warfare agents, toxic industrial chemicals and nontraditional agents simultaneously, and confirm decontamination effectiveness.

The selection of Sionex technology for the General Dynamics JUNO detector confirms that our trace chemical sensor offers unparalleled sensitivity and selectivity in those high risk situations where detection at parts per billion or better is essential, said Wes Davis, CEO of Sionex. That's true in protecting lives with the JUNO detector, as well as in other systems aimed at safeguarding the environment, diagnosing diseases and monitoring manufacturing processes.

The General Dynamics Armament and Technical Products JUNO detector features a simple, cell phone-style interface and is capable of detecting, identifying, quantifying and alerting individual warfighters to the presence of chemical agent vapors. In addition, as new chemical threats emerge, the JUNO detector's software can be upgraded and its detection library capacity can be expanded. It can be used in handheld, fixed-site, ground vehicle, shipboard and aircraft interior applications.

ABOUT SIONEX CORPORATION

Sionex Corporation provides breakthrough chemical and biological sensor chips and subsystems based on its proprietary microDMx detection technology. Sionex maintains its worldwide headquarters and laboratories in Bedford, Massachusetts. The Company is privately held and was founded in 2001 with patented technology exclusively licensed from the Charles Stark Draper Laboratory. Additional information about Sionex Corporation is available at www.sionex.com.

Safe Harbor Statement

This press release contains forward-looking statements that involve risks and uncertainties concerning Nano-Proprietary's business, products, and financial results. Actual results may differ materially from the results predicted. More information about potential risk factors that could affect our business, products, and financial results are included in Nano-Proprietary's annual report on Form 10-K/A for the fiscal year ended December 31, 2006, and in reports subsequently filed by Nano-Proprietary with the Securities and Exchange Commission ("SEC"). All documents are available through the SEC's Electronic Data Gathering Analysis and Retrieval System (EDGAR) at www.sec.gov or from Nano-Proprietary's website listed above. Nano-Proprietary hereby disclaims any obligation to publicly update the information provided above, including forward-looking statements, to reflect subsequent events or circumstances.

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microAnalyzer™ and microDMx™ are trademarks of Sionex Corporation.

Forward-looking Statement

Some statements in this announcement constitute forward-looking statements. Forward-looking statements involve known and unknown risks, uncertainties and other factors which may cause the actual results, performance or achievements of Sionex Corporation to be materially different from any future results, performance or achievements expressed or implied by such forward-looking statements. There can be no assurance that the forward-looking statements included in this announcement will prove to be accurate. In light of the significant uncertainties inherent in the forward-looking statements included herein, the inclusion of this information should not be regarded as a representation by the Company or any other person that the objectives and plans of the Company will be achieved.

EDITORIAL CONTACTS:

Eric Kirleis
(781) 457-5416
ekirleis@sionex.com

microDMx™ and Protection by Detection™ are trademarks of Sionex Corporation.