18 November 1999 Surface-enhanced Raman sensor for trace chemical detection in water
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Proceedings Volume 3857, Chemical Microsensors and Applications II; (1999) https://doi.org/10.1117/12.370273
Event: Photonics East '99, 1999, Boston, MA, United States
Surface-enhanced Raman spectroscopy (SERS) promises to be one of the most sensitive methods for chemical detection and in recent years SERS has been used for chemical, biochemical, environmental, and physiological applications. A variety of methods using various media (electrodes, colloids, and substrates) have been successfully developed to enhance Raman signals by six orders of magnitude and more. However, SERS has not become a routine analytical technique because these methods are unable to provide quantitative measurements. This is largely due to the inability to fabricate a sampling medium that provides reversible chemical adsorption, analysis-to-analysis reproducibility, unrestricted solution requirements (reagent concentration and pH) or sample phase (liquid or solid). In an effort to overcome these restrictions, we have developed metal-doped sol-gels to provide surface-enhancement of Raman scattering.
© (1999) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Vincent Yuan-Hsiang Lee, Stuart Farquharson, and Petrie M. Rainey "Surface-enhanced Raman sensor for trace chemical detection in water", Proc. SPIE 3857, Chemical Microsensors and Applications II, (18 November 1999); doi: 10.1117/12.370273; https://doi.org/10.1117/12.370273


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