About: Association of biotin with silver (I) in solution: a circular dichroism study

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	A strong polymeric helical complex of Ag(I) with biotin, a water-soluble vitamin also called vitamin H or B7, has been described in the crystal phase, yet with missing spatial characteristic of its solution structure. In this work, the complexation of D-(+)-biotin with Ag+ in aqueous solution has been studied by means of circular dichroism spectroscopy and mass spectrometry with electrospray ionization in positive mode (MS-ESI+). For comparison, the spectra of the Nujol suspension of studied systems in the solid state were also measured. The results indicate that the Ag(I)?biotin complex has a helical arrangement of the biotin molecules in solution. Our results show that the binding process involves the thioether sulfur atom and ureido carbonyl oxygen atom, while the carboxylate side group is not coordinated with the silver. The MS-ESI experiments have revealed the composite structures of Ag+ with biotin of various constitutions, which represent the products of the polymeric helical Ag(I)?biotin compl A strong polymeric helical complex of Ag(I) with biotin, a water-soluble vitamin also called vitamin H or B7, has been described in the crystal phase, yet with missing spatial characteristic of its solution structure. In this work, the complexation of D-(+)-biotin with Ag+ in aqueous solution has been studied by means of circular dichroism spectroscopy and mass spectrometry with electrospray ionization in positive mode (MS-ESI+). For comparison, the spectra of the Nujol suspension of studied systems in the solid state were also measured. The results indicate that the Ag(I)?biotin complex has a helical arrangement of the biotin molecules in solution. Our results show that the binding process involves the thioether sulfur atom and ureido carbonyl oxygen atom, while the carboxylate side group is not coordinated with the silver. The MS-ESI experiments have revealed the composite structures of Ag+ with biotin of various constitutions, which represent the products of the polymeric helical Ag(I)?biotin compl (en)
Title	Association of biotin with silver (I) in solution: a circular dichroism study Association of biotin with silver (I) in solution: a circular dichroism study (en)
skos:prefLabel	Association of biotin with silver (I) in solution: a circular dichroism study Association of biotin with silver (I) in solution: a circular dichroism study (en)
skos:notation	RIV/60461373:22340/10:00023390!RIV11-MSM-22340___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(IAA400550702), Z(MSM6046137307)
http://linked.open...iv/cisloPeriodika	15
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Sýkora, David Goncharová, Iryna Urbanová, Marie
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	Vysoká škola chemicko-technologická v Praze / Fakulta chemicko-inženýrská
http://linked.open...dnocenehoVysledku	247958
http://linked.open...ai/riv/idVysledku	RIV/60461373:22340/10:00023390
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	biotin; circular dichroism; mass spectroscopy; spatial structure; nujol suspension; silver complex (en)
http://linked.open.../riv/klicoveSlovo	spatial structure silver complex nujol suspension mass spectroscopy biotin circular dichroism
http://linked.open...odStatuVydavatele	IE - Irsko
http://linked.open...ontrolniKodProRIV	[BC7E27B8567B]
http://linked.open...i/riv/nazevZdroje	Tetrahedron Asymmetry
http://linked.open...in/vavai/riv/obor	CB
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Spectroscopic and theoretical methods for non-covalent molecular interactions
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	21
http://linked.open...iv/tvurceVysledku	Sýkora, David Urbanová, Marie Goncharova, Iryna
http://linked.open...ain/vavai/riv/wos	000281626300018
http://linked.open...n/vavai/riv/zamer	Physico-chemical methods of analysis and characterization of chemical systems and biosystems
issn	0957-4166
number of pages	5 (xsd:int)
http://localhost/t...ganizacniJednotka	22340

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