Inclusion effects of cyclodextrins on photodegradation rates of parathion and paraoxon in aquatic medium

Inclusion effects of α-, β- and γ -cyclodextrins on photodegradation rates of parathion and paraoxon were investigated in aquatic medium. The effects were in a characteristic relationship with the inclusion-depth parameters of the pesticides determined by use of the rotational-strength analysis of t...

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Veröffentlicht in:	Chemosphere (Oxford) 1994-06, Vol.28 (11), p.1961-1966
Hauptverfasser:	Kamiya, Mamoru, Nakamura, Kaori, Sasaki, Chizuko
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Biological and physicochemical phenomena Cyclodextrins Exact sciences and technology Freshwater Inclusion Depths Inclusion Effects Natural water pollution Paraoxon Parathion Photodegradation Pollution Water treatment and pollution
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Zusammenfassung:	Inclusion effects of α-, β- and γ -cyclodextrins on photodegradation rates of parathion and paraoxon were investigated in aquatic medium. The effects were in a characteristic relationship with the inclusion-depth parameters of the pesticides determined by use of the rotational-strength analysis of the circular dichroism induced to the pesticides by inclusion. The inclusion effect of β- cyclodextrin was found to inhibit the photodegradation rate of parathion but to promote that of paraoxon.
ISSN:	0045-6535 1879-1298
DOI:	10.1016/0045-6535(94)90146-5