Brownian modulated optical nanoprobes

by: CJ Behrend, JN Anker, R Kopelman

Applied Physics Letters, Vol. 84, No. 1. (2004), pp. 154-156.

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Abstract

Brownian modulated optical nanoprobes (Brownian MOONs) are fluorescent micro- and nanoparticles that resemble moons: one hemisphere emits a bright fluorescent signal, while an opaque metal darkens the other hemisphere. Brownian motion causes the particles to tumble and blink erratically as they rotate literally through the phases of the moon. The fluctuating probe signals are separated from optical and electronic backgrounds using principal components analysis or images analysis. Brownian MOONs enable microrheological measurements on size scales and timescales that are difficult to study with other methods. Local chemical concentrations can be measured simultaneously, using spectral characteristics of indicator dyes embedded within the MOONs. ©2004 American Institute of Physics.

@article{citeulike:1342728, abstract = {Brownian modulated optical nanoprobes (Brownian MOONs) are fluorescent micro- and nanoparticles that resemble moons: one hemisphere emits a bright fluorescent signal, while an opaque metal darkens the other hemisphere. Brownian motion causes the particles to tumble and blink erratically as they rotate literally through the phases of the moon. The fluctuating probe signals are separated from optical and electronic backgrounds using principal components analysis or images analysis. Brownian MOONs enable microrheological measurements on size scales and timescales that are difficult to study with other methods. Local chemical concentrations can be measured simultaneously, using spectral characteristics of indicator dyes embedded within the MOONs. \©2004 American Institute of Physics.}, author = {Behrend, C. J. and Anker, J. N. and Kopelman, R. }, citeulike-article-id = {1342728}, doi = {http://dx.doi.org/10.1063/1.1637963}, journal = {Applied Physics Letters}, keywords = {colloidal, moon, rotation}, number = {1}, pages = {154--156}, posted-at = {2007-05-30 13:24:39}, priority = {3}, publisher = {AIP}, title = {Brownian modulated optical nanoprobes}, url = {http://dx.doi.org/10.1063/1.1637963}, volume = {84}, year = {2004} }

RIS record

TY - JOUR ID - citeulike:1342728 L3 - citeulike-article-id:1342728 TI - Brownian modulated optical nanoprobes JF - Applied Physics Letters VL - 84 IS - 1 SP - 154 EP - 156 PB - AIP N2 - Brownian modulated optical nanoprobes (Brownian MOONs) are fluorescent micro- and nanoparticles that resemble moons: one hemisphere emits a bright fluorescent signal, while an opaque metal darkens the other hemisphere. Brownian motion causes the particles to tumble and blink erratically as they rotate literally through the phases of the moon. The fluctuating probe signals are separated from optical and electronic backgrounds using principal components analysis or images analysis. Brownian MOONs enable microrheological measurements on size scales and timescales that are difficult to study with other methods. Local chemical concentrations can be measured simultaneously, using spectral characteristics of indicator dyes embedded within the MOONs. ©2004 American Institute of Physics. KW - colloidal KW - moon KW - rotation AU - Behrend, CJ AU - Anker, JN AU - Kopelman, R PY - 2004/// UR - http://dx.doi.org/10.1063/1.1637963 ER -

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