About: Enhanced fluorescence of selected cationic dyes adsorbed on reduced-charge montmorillonite

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The aggregation of three cationic dyes (CD), crystal violet (CV), Nile blue (NB) and rhodamine B (RB) in aqueous solution was studied by visible absorption spectrophotometry and compared with methylene blue (MB). The distribution of the dye species (monomers, dimers, trimers, and tetramers) in aqueous solutions with different concentrations of dye was calculated using equilibrium stepwise aggregation constants K(n). These cationic dyes were intercalated into montmorillonite (SAz-1) and its reduced charge form (RC-SAz(210)) prepared by heating lithium montmorillonite (Li/SAz-1) at 210 degrees C. The fluorescence of fully saturated CD/SAz and low-CD loaded CD/RC-SAz(210) complexes was studied. Visible absorption spectra of CD aqueous solutions and visible absorption spectra and X-ray diffraction patterns (d(001)) of the CD/SAz and CD/RC-SAz(210) solid complexes were obtained and evaluated. Large fluorescence intensities were found for CV/RC-SAz(210) and NB/RC-SAz(210) complexes in the same way as for the complex of methylene blue with reduced-charge montmorillonite MB/RCM(210) described previously. The aggregation of three cationic dyes (CD), crystal violet (CV), Nile blue (NB) and rhodamine B (RB) in aqueous solution was studied by visible absorption spectrophotometry and compared with methylene blue (MB). The distribution of the dye species (monomers, dimers, trimers, and tetramers) in aqueous solutions with different concentrations of dye was calculated using equilibrium stepwise aggregation constants K(n). These cationic dyes were intercalated into montmorillonite (SAz-1) and its reduced charge form (RC-SAz(210)) prepared by heating lithium montmorillonite (Li/SAz-1) at 210 degrees C. The fluorescence of fully saturated CD/SAz and low-CD loaded CD/RC-SAz(210) complexes was studied. Visible absorption spectra of CD aqueous solutions and visible absorption spectra and X-ray diffraction patterns (d(001)) of the CD/SAz and CD/RC-SAz(210) solid complexes were obtained and evaluated. Large fluorescence intensities were found for CV/RC-SAz(210) and NB/RC-SAz(210) complexes in the same way as for the complex of methylene blue with reduced-charge montmorillonite MB/RCM(210) described previously. (en)
Title	Enhanced fluorescence of selected cationic dyes adsorbed on reduced-charge montmorillonite Enhanced fluorescence of selected cationic dyes adsorbed on reduced-charge montmorillonite (en)
skos:prefLabel	Enhanced fluorescence of selected cationic dyes adsorbed on reduced-charge montmorillonite Enhanced fluorescence of selected cationic dyes adsorbed on reduced-charge montmorillonite (en)
skos:notation	RIV/61388980:_____/11:00370194!RIV12-AV0-61388980
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(ED0040/01/01), P(GA205/08/0869), Z(AV0Z40320502), Z(MSM0021620834), Z(MSM6198910016)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Grygar, Tomáš
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	Ústav anorganické chemie AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	197596
http://linked.open...ai/riv/idVysledku	RIV/61388980:_____/11:00370194
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	cationic dye; crystal violet; Nile blue; rhodamine B; reduced-charge montmorillonite; visible spectrophotometry; fluorescence (en)
http://linked.open.../riv/klicoveSlovo	Nile blue cationic dye crystal violet reduced-charge montmorillonite rhodamine B visible spectrophotometry fluorescence
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[6428AA135373]
http://linked.open...i/riv/nazevZdroje	Clay Minerals
http://linked.open...in/vavai/riv/obor	DD
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Regional materials science and technology centre Clay minerals as host matrices for functional nanostructures
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	46
http://linked.open...iv/tvurceVysledku	Klika, Z. Matys Grygar, Tomáš Preclíková, J. Pustková, P.
http://linked.open...ain/vavai/riv/wos	000288539700007
http://linked.open...n/vavai/riv/zamer	Design, syntéza a charakterizace klastrů, kompozitů, komplexů a dalších sloučenin na bázi anorganických látek; mechanismy a kinetika jejich interakcí Condensed Matter Physics – New Materials and Technologies Syntéza, struktura a vlastnosti nanomateriálů založených na bázi interkalovaných fylosylikátů
issn	0009-8558
number of pages	11 (xsd:int)
http://bibframe.org/vocab/doi	10.1180/claymin.2011.046.1.93

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