Applied DNA Sciences Inc., a Stony Brook biotech company that makes anti-counterfeiting products using plant DNA, reported higher revenue and a narrower net loss for the quarter ended June 30.

Sales rose by $1.4 million from the quarter a year earlier, bringing revenue to $2.3 million. The company's net loss narrowed to $1.7 million from $1.9 million a year earlier.

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The results "demonstrate the significant strides we are making toward converting pilot projects to fully commercialized programs," James A. Hayward, president and CEO of Applied DNA, said Monday.

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Net loss per share shrank to 8 cents from 14 cents during the same quarter last year. The weighted average shares outstanding increased to 21.4 million from 13.6 million a year earlier.

In April, Applied DNA announced plans to partner with Suffolk County to bring DNA technology into 500 homes in Huntington Station through a pilot program meant to test the effectiveness of one of its DNA-laced antitheft products.

The company was recognized in Popular Science's December issue for its development of SmokeCloak DNA, a security system that releases DNA-infused vapor into the air after break-ins to help identify criminals. Shares of Applied DNA closed at $3.21 Wednesday on the Nasdaq stock market, and are up 32 cents so far this year.