Composites with Photosensitive 5,10,15,20-tetrakis(N-methylpyridinium-4-yl)porphyrin Entrapped into Silica Gels
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985858%3A_____%2F12%3A00375223" target="_blank" >RIV/67985858:_____/12:00375223 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1007/s10971-011-2600-y" target="_blank" >http://dx.doi.org/10.1007/s10971-011-2600-y</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1007/s10971-011-2600-y" target="_blank" >10.1007/s10971-011-2600-y</a>
Alternative languages
Result language
angličtina
Original language name
Composites with Photosensitive 5,10,15,20-tetrakis(N-methylpyridinium-4-yl)porphyrin Entrapped into Silica Gels
Original language description
Photosensitive cationic 5,10,15,20-tetrakis(1-methyl-4-pyridinio)porphyrin (TMPyP) was entrapped into microporous silica gels prepared by sol?gel method from tetrakis(2-hydroxyethoxy)silane (THES) and tetramethoxysilane (TMOS), resp., using different water and PEG 600 contents in the initial mixture. The absorption spectra of both composites showed that incorporation of TMPyP has led to a bathochomic shift (ca. 8 nm) of the Soret band and to a decrease in their molar absorption coefficient compared to TMPyP in solution. The TMPyP encapsulation kept the molecular state of the porphyrin in the free-base monomer form. In comparison to TMOS analogs, THES composites showed prolonged shape stability at least for 3 months, one-order higher rate of chemical substrate photooxidation and higher photobiocidal activity against E. coli.
Czech name
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Czech description
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Classification
Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
CC - Organic chemistry
OECD FORD branch
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Result continuities
Project
<a href="/en/project/ME%20892" target="_blank" >ME 892: Monitoring and remediation of environmental pollution with advanced organic-inorganic materials ? MOREPIM</a><br>
Continuities
Z - Vyzkumny zamer (s odkazem do CEZ)
Others
Publication year
2012
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Journal of Sol-Gel Science and Technology
ISSN
0928-0707
e-ISSN
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Volume of the periodical
61
Issue of the periodical within the volume
1
Country of publishing house
US - UNITED STATES
Number of pages
7
Pages from-to
119-125
UT code for WoS article
000299083700018
EID of the result in the Scopus database
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