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Statements

Subject Item
n2:RIV%2F68081758%3A_____%2F13%3A00437701%21RIV15-AV0-68081758
rdf:type
n8:Vysledek skos:Concept
dcterms:description
Laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) was used to map the matrix (Ca, P) and trace (Ba, Sr, Zn) elements in the root section of a fossilized brown bear (Ursus arctos) tooth. Multielemental analysis was performed on a (2.5 x 1.5) cm(2) area. For elemental distribution, a UP 213 laser ablation system was coupled either with a quadrupole or a time of flight ICP-MS. The cementum and dentine on the slice of the sample surface were clearly distinguishable, especially changes in elemental distribution in the summer and winter bands in the fossil root dentine. Migration and diet of U. arctos were determined on the basis of fluctuations in Sr/Zn ratio and their contents. Quantification was accomplished with standard reference material of bone meal (NIST 1486) and by the use of electron microprobe analysis (EMPA). Changes in Sr/Zn and Sr/Ba ratios relating to the season, and composition of food during the lifetime of the animal are discussed on basis of analysis of light stable isotopes. It was observed that there was an increase in the Sr/Zn ratio during the winter season caused by a reduction of food intake during hibernation. Above mentioned inferences drawn from elemental data obtained by LA-ICP-MS were confirmed independently by determination of carbon, nitrogen and strontium isotopes. Moreover, diagenesis and its interfering influence on the biogenic composition of cementum and dentine were resolved. According to the distribution and/or content of the element of interest, post-mortem alterations were revealed. Namely, U, Na, Fe, Mg and F predicate about the suitability of the selected area for determination of migration and diet. Laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) was used to map the matrix (Ca, P) and trace (Ba, Sr, Zn) elements in the root section of a fossilized brown bear (Ursus arctos) tooth. Multielemental analysis was performed on a (2.5 x 1.5) cm(2) area. For elemental distribution, a UP 213 laser ablation system was coupled either with a quadrupole or a time of flight ICP-MS. The cementum and dentine on the slice of the sample surface were clearly distinguishable, especially changes in elemental distribution in the summer and winter bands in the fossil root dentine. Migration and diet of U. arctos were determined on the basis of fluctuations in Sr/Zn ratio and their contents. Quantification was accomplished with standard reference material of bone meal (NIST 1486) and by the use of electron microprobe analysis (EMPA). Changes in Sr/Zn and Sr/Ba ratios relating to the season, and composition of food during the lifetime of the animal are discussed on basis of analysis of light stable isotopes. It was observed that there was an increase in the Sr/Zn ratio during the winter season caused by a reduction of food intake during hibernation. Above mentioned inferences drawn from elemental data obtained by LA-ICP-MS were confirmed independently by determination of carbon, nitrogen and strontium isotopes. Moreover, diagenesis and its interfering influence on the biogenic composition of cementum and dentine were resolved. According to the distribution and/or content of the element of interest, post-mortem alterations were revealed. Namely, U, Na, Fe, Mg and F predicate about the suitability of the selected area for determination of migration and diet.
dcterms:title
Elemental mapping in fossil tooth root section of Ursus arctos by laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) Elemental mapping in fossil tooth root section of Ursus arctos by laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS)
skos:prefLabel
Elemental mapping in fossil tooth root section of Ursus arctos by laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) Elemental mapping in fossil tooth root section of Ursus arctos by laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS)
skos:notation
RIV/68081758:_____/13:00437701!RIV15-AV0-68081758
n4:aktivita
n12:I n12:S n12:P n12:Z
n4:aktivity
I, P(ED1.1.00/02.0068), P(GA203/09/1394), P(ME10012), S, Z(AV0Z80010507), Z(MSM6215648902)
n4:cisloPeriodika
15 February 2013
n4:dodaniDat
n10:2015
n4:domaciTvurceVysledku
n19:5250749
n4:druhVysledku
n7:J
n4:duvernostUdaju
n18:S
n4:entitaPredkladatele
n16:predkladatel
n4:idSjednocenehoVysledku
72559
n4:idVysledku
RIV/68081758:_____/13:00437701
n4:jazykVysledku
n9:eng
n4:klicovaSlova
Diagenesis; Diet; Geochemical analysis; Laser ablation ICP-MS; Migration
n4:klicoveSlovo
n5:Diet n5:Geochemical%20analysis n5:Diagenesis n5:Laser%20ablation%20ICP-MS n5:Migration
n4:kodStatuVydavatele
NL - Nizozemsko
n4:kontrolniKodProRIV
[F5BFAD172275]
n4:nazevZdroje
Talanta
n4:obor
n6:AC
n4:pocetDomacichTvurcuVysledku
1
n4:pocetTvurcuVysledku
9
n4:projekt
n15:GA203%2F09%2F1394 n15:ME10012 n15:ED1.1.00%2F02.0068
n4:rokUplatneniVysledku
n10:2013
n4:svazekPeriodika
105
n4:tvurceVysledku
Prokeš, L. Gadas, P. Nývltová-Fišáková, Miriam Košler, J. Neff, H. Vašinová Galiová, M. Kynický, J. Kanický, V. Mason, A. Z.
n4:wos
000319088500035
n4:zamer
n11:AV0Z80010507 n11:MSM6215648902
s:issn
0039-9140
s:numberOfPages
9
n17:doi
10.1016/j.talanta.2012.12.037