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From: Food Quality & Safety Magazine, 4.24.2012

Features

Gold Nanoparticles Can Detect, Zap Salmonella

Strains identified with 5-minute test at Jackson State University

By attaching pathogen-specific antibodies to vanishingly small gold nanoparticles—so minuscule that 25,000 would fit across the width of a human hair—scientists at Jackson State University in Mississippi can detect various strains of Salmonella with a simple five-minute test.

The zNose Knows Ripeness

Electronic device’s ‘sniff’ as accurate as gas chromatography

An electronic nose may hold the secrets to melon ripeness and could provide the answer much more quickly than the previous scientific method—gas chromatography—which takes up to an hour to analyze a single sample.

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