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Tasting the Fizz of Soda Pop

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Hank Hogan, Contributing Editor

Flat soda tastes different from fresh, and Kenneth S. Suslick, a chemistry professor at the University of Illinois at Urbana-Champaign, has the pictures to prove it. The loss of carbon dioxide can clearly be detected in the output of a color-based chemical sensor that he and his research team have developed. The sensor and associated analysis methods also can classify unknown soft drinks with a high degree of accuracy. The makeup of a soft drink traditionally has been determined on a component-by-component basis using such techniques as liquid chromatography, an expensive and...Read full article

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    Published: March 2007
    Glossary
    photonics
    The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
    Accent on ApplicationsApplicationsBasic Sciencecolor-based chemical sensorliquid chromatographyphotonicsSensors & Detectors

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