About: Anomalous behavior of a three-dimensional, optically trapped, super-paramagnetic particle

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Super-paramagnetic particles are used extensively in diagnostics and other research applications for the purification of cells, biomolecules and assays. Here, we demonstrate full 3D optical manipulation of such sub-micrometer sized particle using optical tweezers. We report three types of anomalous behavior of such a trapped particle. Firstly, the analysis of particle motion recorded by the quadrant photodiode reveals spikes in the total detected intensity that are formed by a set of very fast oscillations. Secondly, the dependence of trap stiffness on the laser power deviates from the expected linear increase for higher trapping powers. And further, such a particle cannot be optically trapped above certain trapping power threshold. We speculate that these effects are caused by particle internal structure and by its heating. Super-paramagnetic particles are used extensively in diagnostics and other research applications for the purification of cells, biomolecules and assays. Here, we demonstrate full 3D optical manipulation of such sub-micrometer sized particle using optical tweezers. We report three types of anomalous behavior of such a trapped particle. Firstly, the analysis of particle motion recorded by the quadrant photodiode reveals spikes in the total detected intensity that are formed by a set of very fast oscillations. Secondly, the dependence of trap stiffness on the laser power deviates from the expected linear increase for higher trapping powers. And further, such a particle cannot be optically trapped above certain trapping power threshold. We speculate that these effects are caused by particle internal structure and by its heating. (en)
Title	Anomalous behavior of a three-dimensional, optically trapped, super-paramagnetic particle Anomalous behavior of a three-dimensional, optically trapped, super-paramagnetic particle (en)
skos:prefLabel	Anomalous behavior of a three-dimensional, optically trapped, super-paramagnetic particle Anomalous behavior of a three-dimensional, optically trapped, super-paramagnetic particle (en)
skos:notation	RIV/68081731:_____/14:00434983!RIV15-GA0-68081731
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(ED0017/01/01), P(GPP205/12/P868), P(LO1212)
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Ježek, Jan Brzobohatý, Oto Zemánek, Pavel Jákl, Petr Šiler, Martin
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav přístrojové techniky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	3333
http://linked.open...ai/riv/idVysledku	RIV/68081731:_____/14:00434983
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Particles; Photodiodes; Diagnostics; Lasers; Optical manipulation; Optical tweezers (en)
http://linked.open.../riv/klicoveSlovo	Optical manipulation Particles Lasers Diagnostics Optical tweezers Photodiodes
http://linked.open...ontrolniKodProRIV	[CDAD4986DD92]
http://linked.open...v/mistoKonaniAkce	San Diego
http://linked.open...i/riv/mistoVydani	Bellingham
http://linked.open...i/riv/nazevZdroje	Optical Trapping and Optical Micromanipulation XI (Proceedings of SPIE 9164)
http://linked.open...in/vavai/riv/obor	BH
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	ALISI - Centre of advanced diagnostic methods and technologies Phototermal interactions at the microscale APPLICATION LABORATORIES OF ADVANCED MICROTECHNOLOGIES AND NANOTECHNOLOGIES
http://linked.open...UplatneniVysledku	2014
http://linked.open...iv/tvurceVysledku	Brzobohatý, Oto Ježek, Jan Zemánek, Pavel Jákl, Petr Šiler, Martin
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2014-08-17 (xsd:date)
issn	0277-786X
number of pages	8 (xsd:int)
http://bibframe.org/vocab/doi	10.1117/12.2062148
http://purl.org/ne...btex#hasPublisher	SPIE
https://schema.org/isbn	9781628411911

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