Resonance fluctuations of a whispering gallery mode biosensor by particles undergoing Brownian motion Export

@article{citeulike:1719875, abstract = {Nanoparticles suspended in the vicinity of a whispering gallery mode (WGM) biosensor are detected from fluctuations in the driving light-guide transmission. These fluctuations are described by Brownian particles perturbing the resonance wavelength in reaction to being polarized by the WGM's evanescent field. Comparison between the autocorrelation of the measured fluctuations and theory provides a first order approximation for the nanoparticle size and lays the basis for future studies of interfacial dynamics. With this advance, the WGM biosensor goes beyond low-frequency measurements of adsorption and desorption and into a world which has been dominated by fluorescence correlation spectroscopy, but without labels. \©2007 American Institute of Physics}, author = {Keng, D. and Mcananama, S. R. and Teraoka, I. and Arnold, S.}, citeulike-article-id = {1719875}, citeulike-linkout-0 = {http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=APPLAB000091000010103902000001&idtype=cvips&gifs=yes}, citeulike-linkout-1 = {http://link.aip.org/link/?APL/91/103902}, citeulike-linkout-2 = {http://dx.doi.org/10.1063/1.2778351}, doi = {10.1063/1.2778351}, journal = {Applied Physics Letters}, keywords = {biosensor, refractive\_index, resonant\_sensor, ring\_resonator, waveguide}, number = {10}, posted-at = {2008-03-04 17:23:55}, priority = {5}, publisher = {AIP}, title = {Resonance fluctuations of a whispering gallery mode biosensor by particles undergoing Brownian motion}, url = {http://dx.doi.org/10.1063/1.2778351}, volume = {91}, year = {2007} }

TY - JOUR ID - citeulike:1719875 L3 - citeulike-article-id:1719875 N2 - Nanoparticles suspended in the vicinity of a whispering gallery mode (WGM) biosensor are detected from fluctuations in the driving light-guide transmission. These fluctuations are described by Brownian particles perturbing the resonance wavelength in reaction to being polarized by the WGM's evanescent field. Comparison between the autocorrelation of the measured fluctuations and theory provides a first order approximation for the nanoparticle size and lays the basis for future studies of interfacial dynamics. With this advance, the WGM biosensor goes beyond low-frequency measurements of adsorption and desorption and into a world which has been dominated by fluorescence correlation spectroscopy, but without labels. ©2007 American Institute of Physics IS - 10 JF - Applied Physics Letters TI - Resonance fluctuations of a whispering gallery mode biosensor by particles undergoing Brownian motion PB - AIP VL - 91 KW - biosensor KW - refractive_index KW - resonant_sensor KW - ring_resonator KW - waveguide AU - Keng, D AU - Mcananama, SR AU - Teraoka, I AU - Arnold, S PY - 2007/// UR - http://dx.doi.org/10.1063/1.2778351 ER -