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Summary: The Detection and Quantification of Airborne Substances via Real-Time On-Site Analysis is Now Possible With QualSec's Nano-Nose

Sniffing Out Trouble In Real Time

NORTH LOGAN, UT | Posted on August 1st, 2008

QualSec (OTC: QLSC.OB)--Electronic noses have been used for years in the laboratories of NASA and other organizations. However, until now they have been impractical for use in the real world. Electronic noses have lacked portability, taken too long to produce useful results and have only been able to analyze lab-prepared samples.

Enter QualSec's Nano-Nose.

The Nano-Nose will revolutionize the electronic nose industry with its compact size and practical applicability. The lightweight device is hand held, and can detect and quantify analytes instantaneously. The Nano-Nose is also unique in its ability to analyze streaming air rather than just lab-controlled air samples, amplifying its real-world usability.

QualSec's CEO J.E. Hand states "all other industry efforts to develop an e-Nose use some form of gas chromatography or rely on carbon polymer chips to react to a VOC. These approaches are fundamentally flawed because:

They require pre-concentration of air samples;

Can only test for the presence of a VOC;

Are less reliable when exposed to heat or moisture;

Require training of operators and recalibration of sensitive equipment;

Are effected by heat, moisture, and are only reliable in near laboratory conditions.

While others are attempting to shrink and transform existing laboratory equipment for field use, QualSec has approached the problem from a new vantage point, utilizing previously unconsidered nano-technology. QualSec's Nano-Nose has the capacity to finally meet the air detection needs of many markets, including the homeland security, food and beverage, environmental protection and health care industries.

QualSec CEO Hand quipped, "Everyone else is trying to make their go-carts run faster, whereas QualSec offers a fully loaded luxury vehicle. "


About QualSec
QualSec believes that this press release contains forward-looking statements as that term is defined by 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 view QualSec’s filings with the Securities and Exchange Commission, including its annual report on Form 10K for the period ending December 31, 2007. The Company assumes no obligation to update the information contained in this press release.

For more information, please click here

QualSec Investor Relations
David Stern, 919-928-4510;

Copyright © Business Wire 2008

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