About: Spacer-free SERRS spectra of unperturbed porphyrin detected at 100 fM concentration in Ag hydrosol prepared by modified Tollens method

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About: Spacer-free SERRS spectra of unperturbed porphyrin detected at 100 fM concentration in Ag hydrosol prepared by modified Tollens method Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Surface-enhanced resonance Raman scattering (SERRS) spectroscopy is a powerful tool for the selective and sensitive detection of porphyrins. We report a repeatable detection of unperturbed free base 5,10,15,20-tetrakis(1-methyl-4-pyridyl) 21H,23H-porphine in concentrations as low as 1 10-13M in the final system when Ag nanoparticles prepared by modified Tollens method are employed as Raman scattering amplifiers, i.e. without any further post-modifications of their surface. Most probably the residues of sugar oxidation present on Ag nanoparticle surface are responsible for the effective protection of 5,10,15,20-tetrakis(1-methyl-4-pyridyl)21H,23H-porphine molecules against the metalation by silver. Surface-enhanced resonance Raman scattering (SERRS) spectroscopy is a powerful tool for the selective and sensitive detection of porphyrins. We report a repeatable detection of unperturbed free base 5,10,15,20-tetrakis(1-methyl-4-pyridyl) 21H,23H-porphine in concentrations as low as 1 10-13M in the final system when Ag nanoparticles prepared by modified Tollens method are employed as Raman scattering amplifiers, i.e. without any further post-modifications of their surface. Most probably the residues of sugar oxidation present on Ag nanoparticle surface are responsible for the effective protection of 5,10,15,20-tetrakis(1-methyl-4-pyridyl)21H,23H-porphine molecules against the metalation by silver. (en)
Title	Spacer-free SERRS spectra of unperturbed porphyrin detected at 100 fM concentration in Ag hydrosol prepared by modified Tollens method Spacer-free SERRS spectra of unperturbed porphyrin detected at 100 fM concentration in Ag hydrosol prepared by modified Tollens method (en)
skos:prefLabel	Spacer-free SERRS spectra of unperturbed porphyrin detected at 100 fM concentration in Ag hydrosol prepared by modified Tollens method Spacer-free SERRS spectra of unperturbed porphyrin detected at 100 fM concentration in Ag hydrosol prepared by modified Tollens method (en)
skos:notation	RIV/61989592:15310/12:33142275!RIV13-MSM-15310___
http://linked.open...avai/predkladatel	Přírodovědecká fakulta
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(ED2.1.00/03.0058), P(GPP108/11/P657)
http://linked.open...iv/cisloPeriodika	6
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Šišková, Karolína Zbořil, Radek Šafářová, Klára Bečička, Ondřej
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 Palackého v Olomouci / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	170143
http://linked.open...ai/riv/idVysledku	RIV/61989592:15310/12:33142275
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	detection; TMPyP; porphyrin (en)
http://linked.open.../riv/klicoveSlovo	detection porphyrin TMPyP
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[B7F0B268BC52]
http://linked.open...i/riv/nazevZdroje	Journal of Raman Spectroscopy
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Regional Centre of Advanced Technologies and Materials Preparation and characterization of new composite materials containing amino acids, iron oxides and silver or gold nanoparticles
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	43
http://linked.open...iv/tvurceVysledku	Zbořil, Radek Machalová Šišková, Karolína Šafářová, Klára Mašek, Vlastimil Bečička, Ondřej
http://linked.open...ain/vavai/riv/wos	000305391800001
issn	1097-4555
number of pages	3 (xsd:int)
http://bibframe.org/vocab/doi	10.1002/jrs.3098
http://localhost/t...ganizacniJednotka	15310
is http://linked.open...avai/riv/vysledek of	Spacer-free SERRS spectra of unperturbed porphyrin detected at 100 fM concentration in Ag hydrosol prepared by modified Tollens method

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