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Statements

Subject Item
n2:RIV%2F00216208%3A11310%2F14%3A10281824%21RIV15-MSM-11310___
rdf:type
skos:Concept n21:Vysledek
rdfs:seeAlso
http://dx.doi.org/10.1007/s00128-014-1338-y
dcterms:description
Natural surface coatings (biofilms) were collected on glass slides in the shallow, arsenic-rich stream and were used to compare biofilm trace element adsorption properties. Biofilm element retention and affinities were element specific indicating different processes control their sequestration. Distribution coefficients (Kd values), calculated as the ratio between biofilm and dissolved trace element concentrations, revealed solid phase enrichment that, depending on the trace element, extended from 10 0.18 to 103.17. Elements were specifically scavenged by the organic constituents of the biofilm itself (Fe, Pb, Zn, Cr) and associated biominerals of poorly ordered Mn oxide (Cd, As, Mo, Sb). The results provide an evidence for the significant role that microbial activity can play in trace element geochemistry in freshwater environment. Natural surface coatings (biofilms) were collected on glass slides in the shallow, arsenic-rich stream and were used to compare biofilm trace element adsorption properties. Biofilm element retention and affinities were element specific indicating different processes control their sequestration. Distribution coefficients (Kd values), calculated as the ratio between biofilm and dissolved trace element concentrations, revealed solid phase enrichment that, depending on the trace element, extended from 10 0.18 to 103.17. Elements were specifically scavenged by the organic constituents of the biofilm itself (Fe, Pb, Zn, Cr) and associated biominerals of poorly ordered Mn oxide (Cd, As, Mo, Sb). The results provide an evidence for the significant role that microbial activity can play in trace element geochemistry in freshwater environment.
dcterms:title
Comparison of Pb, Zn, Cd, As, Cr, Mo and Sb Adsorption onto Natural Surface Coatings in a Stream Draining Natural As Geochemical Anomaly Comparison of Pb, Zn, Cd, As, Cr, Mo and Sb Adsorption onto Natural Surface Coatings in a Stream Draining Natural As Geochemical Anomaly
skos:prefLabel
Comparison of Pb, Zn, Cd, As, Cr, Mo and Sb Adsorption onto Natural Surface Coatings in a Stream Draining Natural As Geochemical Anomaly Comparison of Pb, Zn, Cd, As, Cr, Mo and Sb Adsorption onto Natural Surface Coatings in a Stream Draining Natural As Geochemical Anomaly
skos:notation
RIV/00216208:11310/14:10281824!RIV15-MSM-11310___
n4:aktivita
n12:I n12:P n12:Z
n4:aktivity
I, P(GPP210/10/P096), Z(AV0Z30130516), Z(MSM0021620855)
n4:cisloPeriodika
3
n4:dodaniDat
n11:2015
n4:domaciTvurceVysledku
n14:2548739 n14:8171173 n14:4580893
n4:druhVysledku
n9:J
n4:duvernostUdaju
n16:S
n4:entitaPredkladatele
n19:predkladatel
n4:idSjednocenehoVysledku
8151
n4:idVysledku
RIV/00216208:11310/14:10281824
n4:jazykVysledku
n10:eng
n4:klicovaSlova
trace elements; distribution coefficient; biogenic Mn oxide; biofilm
n4:klicoveSlovo
n8:biogenic%20Mn%20oxide n8:trace%20elements n8:distribution%20coefficient n8:biofilm
n4:kodStatuVydavatele
US - Spojené státy americké
n4:kontrolniKodProRIV
[CA1333F43264]
n4:nazevZdroje
Bulletin of Environmental Contamination and Toxicology
n4:obor
n15:DD
n4:pocetDomacichTvurcuVysledku
3
n4:pocetTvurcuVysledku
4
n4:projekt
n7:GPP210%2F10%2FP096
n4:rokUplatneniVysledku
n11:2014
n4:svazekPeriodika
93
n4:tvurceVysledku
Škaloud, Pavel Mihaljevič, Martin Drahota, Petr Nováková, Barbara
n4:wos
000340495100010
n4:zamer
n5:MSM0021620855 n5:AV0Z30130516
s:issn
0007-4861
s:numberOfPages
5
n17:doi
10.1007/s00128-014-1338-y
n18:organizacniJednotka
11310