Nanometer-scale sizing accuracy of particle suspensions on an unmodified cell phone using elastic light scattering.

We report on the construction of a Fourier plane imaging system attached to a cell phone. By illuminating particle suspensions with a collimated beam from an inexpensive diode laser, angularly resolved scattering patterns are imaged by the phone's camera. Analyzing these patterns with Mie theor...

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Autores principales:	Zachary J Smith, Kaiqin Chu, Sebastian Wachsmann-Hogiu
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2012
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/c37506a154ec46379b6c6859f2c7997a
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spelling	oai:doaj.org-article:c37506a154ec46379b6c6859f2c7997a2021-11-18T08:13:30ZNanometer-scale sizing accuracy of particle suspensions on an unmodified cell phone using elastic light scattering.1932-620310.1371/journal.pone.0046030https://doaj.org/article/c37506a154ec46379b6c6859f2c7997a2012-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23056228/?tool=EBIhttps://doaj.org/toc/1932-6203We report on the construction of a Fourier plane imaging system attached to a cell phone. By illuminating particle suspensions with a collimated beam from an inexpensive diode laser, angularly resolved scattering patterns are imaged by the phone's camera. Analyzing these patterns with Mie theory results in predictions of size distributions of the particles in suspension. Despite using consumer grade electronics, we extracted size distributions of sphere suspensions with better than 20 nm accuracy in determining the mean size. We also show results from milk, yeast, and blood cells. Performing these measurements on a portable device presents opportunities for field-testing of food quality, process monitoring, and medical diagnosis.Zachary J SmithKaiqin ChuSebastian Wachsmann-HogiuPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 7, Iss 10, p e46030 (2012)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Zachary J Smith Kaiqin Chu Sebastian Wachsmann-Hogiu Nanometer-scale sizing accuracy of particle suspensions on an unmodified cell phone using elastic light scattering.
description	We report on the construction of a Fourier plane imaging system attached to a cell phone. By illuminating particle suspensions with a collimated beam from an inexpensive diode laser, angularly resolved scattering patterns are imaged by the phone's camera. Analyzing these patterns with Mie theory results in predictions of size distributions of the particles in suspension. Despite using consumer grade electronics, we extracted size distributions of sphere suspensions with better than 20 nm accuracy in determining the mean size. We also show results from milk, yeast, and blood cells. Performing these measurements on a portable device presents opportunities for field-testing of food quality, process monitoring, and medical diagnosis.
format	article
author	Zachary J Smith Kaiqin Chu Sebastian Wachsmann-Hogiu
author_facet	Zachary J Smith Kaiqin Chu Sebastian Wachsmann-Hogiu
author_sort	Zachary J Smith
title	Nanometer-scale sizing accuracy of particle suspensions on an unmodified cell phone using elastic light scattering.
title_short	Nanometer-scale sizing accuracy of particle suspensions on an unmodified cell phone using elastic light scattering.
title_full	Nanometer-scale sizing accuracy of particle suspensions on an unmodified cell phone using elastic light scattering.
title_fullStr	Nanometer-scale sizing accuracy of particle suspensions on an unmodified cell phone using elastic light scattering.
title_full_unstemmed	Nanometer-scale sizing accuracy of particle suspensions on an unmodified cell phone using elastic light scattering.
title_sort	nanometer-scale sizing accuracy of particle suspensions on an unmodified cell phone using elastic light scattering.
publisher	Public Library of Science (PLoS)
publishDate	2012
url	https://doaj.org/article/c37506a154ec46379b6c6859f2c7997a
work_keys_str_mv	AT zacharyjsmith nanometerscalesizingaccuracyofparticlesuspensionsonanunmodifiedcellphoneusingelasticlightscattering AT kaiqinchu nanometerscalesizingaccuracyofparticlesuspensionsonanunmodifiedcellphoneusingelasticlightscattering AT sebastianwachsmannhogiu nanometerscalesizingaccuracyofparticlesuspensionsonanunmodifiedcellphoneusingelasticlightscattering
_version_	1718422069707800576

Nanometer-scale sizing accuracy of particle suspensions on an unmodified cell phone using elastic light scattering.

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