Single-Particle Colloid Tracking in Four Dimensions

by: SM Anthony, L Hong, M Kim, S Granick

Langmuir, Vol. 22, No. 24. (21 November 2006), pp. 9812-9815.

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DOI, American Chem. Soc. Publications

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Abstract

Coating a close-packed fluorescent colloid monolayer with a nanometer-thick metal film followed by sonication in liquid produces modulated optical nanoprobes. The metal coating modulates the fluorescence as these structures rotate in suspension, enabling the use of these particles as probes to monitor both rotational and center-of-mass (translational) dynamics in complex environments. Here, we demonstrate methods to simultaneously measure two translational and two rotational degrees of freedom, with excellent agreement to theory. The capability to determine two angles of rotation opens several new avenues of future research.

@article{granick06, abstract = {Coating a close-packed fluorescent colloid monolayer with a nanometer-thick metal film followed by sonication in liquid produces modulated optical nanoprobes. The metal coating modulates the fluorescence as these structures rotate in suspension, enabling the use of these particles as probes to monitor both rotational and center-of-mass (translational) dynamics in complex environments. Here, we demonstrate methods to simultaneously measure two translational and two rotational degrees of freedom, with excellent agreement to theory. The capability to determine two angles of rotation opens several new avenues of future research.}, author = {Anthony, S. M. and Hong, L. and Kim, M. and Granick, S. }, citeulike-article-id = {983535}, doi = {http://dx.doi.org/10.1021/la062094h}, journal = {Langmuir}, keywords = {brownian-motion, methods, particle-tracking, rotation}, month = {November}, number = {24}, pages = {9812--9815}, posted-at = {2007-11-25 18:22:06}, priority = {0}, title = {Single-Particle Colloid Tracking in Four Dimensions}, url = {http://dx.doi.org/10.1021/la062094h}, volume = {22}, year = {2006} }

RIS record

TY - JOUR ID - granick06 L3 - citeulike-article-id:983535 TI - Single-Particle Colloid Tracking in Four Dimensions JF - Langmuir VL - 22 IS - 24 SP - 9812 EP - 9815 N2 - Coating a close-packed fluorescent colloid monolayer with a nanometer-thick metal film followed by sonication in liquid produces modulated optical nanoprobes. The metal coating modulates the fluorescence as these structures rotate in suspension, enabling the use of these particles as probes to monitor both rotational and center-of-mass (translational) dynamics in complex environments. Here, we demonstrate methods to simultaneously measure two translational and two rotational degrees of freedom, with excellent agreement to theory. The capability to determine two angles of rotation opens several new avenues of future research. KW - brownian-motion KW - methods KW - particle-tracking KW - rotation AU - Anthony, SM AU - Hong, L AU - Kim, M AU - Granick, S PY - 2006/11/21/ UR - http://dx.doi.org/10.1021/la062094h ER -

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