About: Water soluble sapphyrins: potential fluorescent phosphate anion sensors

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	As part of an ongoing effort to study the anion binding properties of sapphyrins in various media, a number of previously reported water solubilized sapphyrins were studied in methanol and in buffered, neutral aqueous solutions and found to undergo self-aggregation under these solution phase conditions. The nature of the species produced as the result of self-aggregation and the processes leading to their formation were studied via UV-vis absorbance and fluorescence spectroscopy. In previous work (V. Kral, H. Furuta, K. Shreder, V. Lynch, and J.L. Sessler, J. Am. Chem. Soc., 1996, 118, 1595-1607.) it was found that the addition of phosphate-type anions to water soluble sapphyrins at pH 6.1 gives rise to visible spectroscopic changes consistent with thebinding to the aggregated form and the concurrent formation of an anion-bound dimer with effective equilibrium constants on the order of 100-300 M-1. In this study we show that at high phosphate-to-sapphyrin ratios in neutral, buffered aqueous solutions As part of an ongoing effort to study the anion binding properties of sapphyrins in various media, a number of previously reported water solubilized sapphyrins were studied in methanol and in buffered, neutral aqueous solutions and found to undergo self-aggregation under these solution phase conditions. The nature of the species produced as the result of self-aggregation and the processes leading to their formation were studied via UV-vis absorbance and fluorescence spectroscopy. In previous work (V. Kral, H. Furuta, K. Shreder, V. Lynch, and J.L. Sessler, J. Am. Chem. Soc., 1996, 118, 1595-1607.) it was found that the addition of phosphate-type anions to water soluble sapphyrins at pH 6.1 gives rise to visible spectroscopic changes consistent with thebinding to the aggregated form and the concurrent formation of an anion-bound dimer with effective equilibrium constants on the order of 100-300 M-1. In this study we show that at high phosphate-to-sapphyrin ratios in neutral, buffered aqueous solutions (en)
Title	Water soluble sapphyrins: potential fluorescent phosphate anion sensors Water soluble sapphyrins: potential fluorescent phosphate anion sensors (en)
skos:prefLabel	Water soluble sapphyrins: potential fluorescent phosphate anion sensors Water soluble sapphyrins: potential fluorescent phosphate anion sensors (en)
skos:notation	RIV/60461373:22340/03:00007571!RIV/2004/MSM/223404/N
http://linked.open.../vavai/riv/strany	4113-4123
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM 223400008)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2004
http://linked.open...aciTvurceVysledku	Král, Vladimír
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	635405
http://linked.open...ai/riv/idVysledku	RIV/60461373:22340/03:00007571
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Cationic porphyrins; Diprotonated sapphyrin; Molecular recognition; Pi interactions; Aggregation; Binding; 5,10,15,20-tetraphenylsapphyrin; Identification; Macrocycles; Assemblies (en)
http://linked.open.../riv/klicoveSlovo	20-tetraphenylsapphyrin Assemblies Cationic porphyrins Diprotonated sapphyrin Pi interactions 5 Identification 10 Molecular recognition Binding 15 Macrocycles Aggregation
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[618C8F7F83EA]
http://linked.open...i/riv/nazevZdroje	Org. Biomol. Chem.
http://linked.open...in/vavai/riv/obor	CB
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...UplatneniVysledku	2003
http://linked.open...v/svazekPeriodika	1
http://linked.open...iv/tvurceVysledku	Král, Vladimír Davis, J. Sessler, J. Lynch, V. Kimbrough, T.
http://linked.open...n/vavai/riv/zamer	http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20223400008
number of pages	11 (xsd:int)
http://localhost/t...ganizacniJednotka	22340

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