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Statements

Subject Item
n2:RIV%2F00209805%3A_____%2F14%3A%230000581%21RIV15-MSM-00209805
rdf:type
n13:Vysledek skos:Concept
rdfs:seeAlso
http://www.degruyter.com//view/j/chempap.2015.69.issue-1/chempap-2015-0010/chempap-2015-0010.xml
dcterms:description
The analysis of glycan isomers is an important task in glycomics. This study reveals for the first time that two oligosaccharide pentamers can be distinguished electrochemically. 3α,6α-mannopentaose (MPO) and verbascose (VBS) were modified using Os(VI)-temed and the carbohydrate adducts measured directly in the reaction mixture using cyclic voltammetric (CV) and square wave voltammetric (SWV) stripping at the hanging mercury drop electrode. Some CV and SWV responses of MPO were found to differ from those of VBS at full electrode coverage, requiring μM concentrations at short accumulation time-intervals. Similar results were obtained at partial electrode coverage at nM concentrations. These results afford an opportunity for the development of a new simple and inexpensive glycan analysis. The analysis of glycan isomers is an important task in glycomics. This study reveals for the first time that two oligosaccharide pentamers can be distinguished electrochemically. 3α,6α-mannopentaose (MPO) and verbascose (VBS) were modified using Os(VI)-temed and the carbohydrate adducts measured directly in the reaction mixture using cyclic voltammetric (CV) and square wave voltammetric (SWV) stripping at the hanging mercury drop electrode. Some CV and SWV responses of MPO were found to differ from those of VBS at full electrode coverage, requiring μM concentrations at short accumulation time-intervals. Similar results were obtained at partial electrode coverage at nM concentrations. These results afford an opportunity for the development of a new simple and inexpensive glycan analysis.
dcterms:title
Can voltammetry distinguish glycan isomers? Can voltammetry distinguish glycan isomers?
skos:prefLabel
Can voltammetry distinguish glycan isomers? Can voltammetry distinguish glycan isomers?
skos:notation
RIV/00209805:_____/14:#0000581!RIV15-MSM-00209805
n3:aktivita
n19:P n19:I
n3:aktivity
I, P(ED2.1.00/03.0101)
n3:cisloPeriodika
1
n3:dodaniDat
n14:2015
n3:domaciTvurceVysledku
n4:9991646
n3:druhVysledku
n18:J
n3:duvernostUdaju
n17:S
n3:entitaPredkladatele
n15:predkladatel
n3:idSjednocenehoVysledku
6136
n3:idVysledku
RIV/00209805:_____/14:#0000581
n3:jazykVysledku
n6:eng
n3:klicovaSlova
oligosaccharide isomers; Os(VI) complexes; chemical modification; voltammetry; mercury electrode
n3:klicoveSlovo
n9:voltammetry n9:chemical%20modification n9:oligosaccharide%20isomers n9:mercury%20electrode n9:Os%28VI%29%20complexes
n3:kodStatuVydavatele
SK - Slovenská republika
n3:kontrolniKodProRIV
[AB1D767E770E]
n3:nazevZdroje
Chemical papers
n3:obor
n10:CG
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
2
n3:projekt
n16:ED2.1.00%2F03.0101
n3:rokUplatneniVysledku
n14:2014
n3:svazekPeriodika
69
n3:tvurceVysledku
Paleček, Emil Trefulka, M.
n3:wos
00035013010002
s:issn
0366-6352
s:numberOfPages
4
n12:doi
10.1515/chempap-2015-0010