Self-Aggregates of Cationic meso-Tetratolylporphyrins in Aqueous Solutions.

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388955%3A_____%2F03%3A54030010" target="_blank" >RIV/61388955:_____/03:54030010 - isvavai.cz</a>

Alternative codes found

RIV/61388980:_____/03:54030010

Result on the web

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DOI - Digital Object Identifier

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Result language

angličtina

Original language name

Self-Aggregates of Cationic meso-Tetratolylporphyrins in Aqueous Solutions.

Original language description

Aggregation properties of meso-tetratolylporphyrins bearing cationic substituents of a lipophilic nature such as ammonium, pyridinium, phosphonium, sulfonium, and isothiouronium were studied by UV/vis and resonance light scattering spectroscopy. The exciton point-dipole approximation was used to predict the structural alignment of the porphyrin units within the aggregate. The contribution of various types of aggregates depends on the porphyrin substitution, ionic strength, and temperature of aqueous solution of the porphyrin. In general, the preferred structure of an aggregate formed by temperature-induced aggregation is the J-aggregate exhibiting the characteristically narrow, red-shifted Soret band indicating a parallel 'side-by-side' arrangement ofthe porphyrin units. The formation of aggregates of cationic tetratolylporphyrins is controlled by both electrostatic and hydrophobic interactions, Observed aggregation properties of porphyrin derivatives bearing trimethylammonium.

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

CF - Physical chemistry and theoretical chemistry

OECD FORD branch

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Project

Result was created during the realization of more than one project. More information in the Projects tab.

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year

2003

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Langmuir

ISSN

0743-7463

e-ISSN

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Volume of the periodical

19

Issue of the periodical within the volume

2

Country of publishing house

US - UNITED STATES

Number of pages

7

Pages from-to

422-428

UT code for WoS article

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EID of the result in the Scopus database

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