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Statements

Subject Item
n2:RIV%2F61989592%3A15310%2F12%3A33142275%21RIV13-MSM-15310___
rdf:type
n15:Vysledek skos:Concept
dcterms: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.
dcterms: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
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
skos:notation
RIV/61989592:15310/12:33142275!RIV13-MSM-15310___
n15:predkladatel
n16:orjk%3A15310
n4:aktivita
n20:P
n4:aktivity
P(ED2.1.00/03.0058), P(GPP108/11/P657)
n4:cisloPeriodika
6
n4:dodaniDat
n12:2013
n4:domaciTvurceVysledku
n10:6536328 n10:2747073 n10:7008686 n10:9251189
n4:druhVysledku
n17:J
n4:duvernostUdaju
n11:S
n4:entitaPredkladatele
n19:predkladatel
n4:idSjednocenehoVysledku
170143
n4:idVysledku
RIV/61989592:15310/12:33142275
n4:jazykVysledku
n7:eng
n4:klicovaSlova
detection; TMPyP; porphyrin
n4:klicoveSlovo
n18:detection n18:TMPyP n18:porphyrin
n4:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n4:kontrolniKodProRIV
[B7F0B268BC52]
n4:nazevZdroje
Journal of Raman Spectroscopy
n4:obor
n6:CF
n4:pocetDomacichTvurcuVysledku
4
n4:pocetTvurcuVysledku
5
n4:projekt
n9:GPP108%2F11%2FP657 n9:ED2.1.00%2F03.0058
n4:rokUplatneniVysledku
n12:2012
n4:svazekPeriodika
43
n4:tvurceVysledku
Šafářová, Klára Mašek, Vlastimil Machalová Šišková, Karolína Zbořil, Radek Bečička, Ondřej
n4:wos
000305391800001
s:issn
1097-4555
s:numberOfPages
3
n13:doi
10.1002/jrs.3098
n8:organizacniJednotka
15310