Surface-enhanced raman scattering detection of pH with silica-encapsulated 4-mercaptobenzoic acid-functionalized silver nanoparticles.

Abstract

Sensors based upon surface-enhanced Raman spectroscopy (SERS) are attractive because they have narrow, vibrationally specific spectral peaks that can be excited using red and near-infrared light which avoids photobleaching, penetrates tissue, and reduces autofluorescence. Several groups have fabricated pH nanosensors by functionalizing silver or gold… (More)
DOI: 10.1021/ac3018179

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@article{Wang2012SurfaceenhancedRS, title={Surface-enhanced raman scattering detection of pH with silica-encapsulated 4-mercaptobenzoic acid-functionalized silver nanoparticles.}, author={Fenglin Wang and Ryan G Widejko and Zhiqiang Yang and Khanhvan T. Nguyen and Hongyu Chen and Lawrence P Fernando and Kenneth Christensen and Jeffrey N. Anker}, journal={Analytical chemistry}, year={2012}, volume={84 18}, pages={8013-9} }