About: Identification of beta-carotene in an evaporitic matrix-evaluation of Raman spectroscopic analysis for astrobiological research on Mars

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About: Identification of beta-carotene in an evaporitic matrix-evaluation of Raman spectroscopic analysis for astrobiological research on Mars Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	In this paper, Raman microspectrometry was tested as a nondestructive method of determining the lowest detectable ?-carotene content in experimentally prepared evaporitic matrices?namely, gypsum, halite and epsomite. Two excitation wavelengths were compared?514.5 and 785 nm, ?-carotene signals at the 0.1 to 10 mg kg?1 level?the number of registered ?-carotene Raman bands differed depending on the particular mineral matrix and the excitation wavelength. Concentrations of ?-carotene of about one order of magnitude higher were identified when analysed through single crystals of gypsum and epsomite, respectively. In this paper, Raman microspectrometry was tested as a nondestructive method of determining the lowest detectable ?-carotene content in experimentally prepared evaporitic matrices?namely, gypsum, halite and epsomite. Two excitation wavelengths were compared?514.5 and 785 nm, ?-carotene signals at the 0.1 to 10 mg kg?1 level?the number of registered ?-carotene Raman bands differed depending on the particular mineral matrix and the excitation wavelength. Concentrations of ?-carotene of about one order of magnitude higher were identified when analysed through single crystals of gypsum and epsomite, respectively. (en)
Title	Identification of beta-carotene in an evaporitic matrix-evaluation of Raman spectroscopic analysis for astrobiological research on Mars Identification of beta-carotene in an evaporitic matrix-evaluation of Raman spectroscopic analysis for astrobiological research on Mars (en)
skos:prefLabel	Identification of beta-carotene in an evaporitic matrix-evaluation of Raman spectroscopic analysis for astrobiological research on Mars Identification of beta-carotene in an evaporitic matrix-evaluation of Raman spectroscopic analysis for astrobiological research on Mars (en)
skos:notation	RIV/00216208:11310/09:10000222!RIV10-MSM-11310___
http://linked.open...avai/riv/aktivita	S Z
http://linked.open...avai/riv/aktivity	S, Z(MSM0021620855)
http://linked.open...iv/cisloPeriodika	8
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Jehlička, Jan Osterrothová, Kateřina Vítek, Petr
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Karlova v Praze / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	318323
http://linked.open...ai/riv/idVysledku	RIV/00216208:11310/09:10000222
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Identification; beta-carotene; evaporitic matrix; evaluation; Raman spectroscopy; astrobiology; Mars (en)
http://linked.open.../riv/klicoveSlovo	astrobiology Identification Raman spectroscopy evaluation Mars beta-carotene evaporitic matrix
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[2EA3E86FD780]
http://linked.open...i/riv/nazevZdroje	Analytical and Bioanalytical Chemistry
http://linked.open...in/vavai/riv/obor	CB
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	393
http://linked.open...iv/tvurceVysledku	Jehlička, Jan Vítek, Petr Osterrothová, Kateřina Edwards, Howell. G.M.
http://linked.open...ain/vavai/riv/wos	000264697900019
http://linked.open...n/vavai/riv/zamer	Material flow mechanisms in the upper spheres of the Earth
issn	1618-2642
number of pages	9 (xsd:int)
http://localhost/t...ganizacniJednotka	11310

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