Spectroscopic, Thermal Studies and Antimicrobial Activity of Nitrilotriacetates, (NTA)-Ce(III) and -Ce(VI) Complexes

被引：0
|
作者：
Gaballa, Akmal S. [1 ]
Teleb, Said M. [2 ]
Asker, Mohsen S. [3 ]
Soliman, Ahmed A. [4 ]
机构：
[1] Zagazig Univ, Fac Specif Educ, Zagazig, Egypt
[2] Zagazig Univ, Fac Sci, Dept Chem, Zagazig, Egypt
[3] Natl Res Ctr, Microbial Biotechnol Dept, Cairo, Egypt
[4] Cairo Univ, Fac Sci, Dept Chem, Giza, Egypt
来源：
ASIAN JOURNAL OF CHEMISTRY | 2011年 / 23卷 / 12期
关键词：
Nitrilotriacetic acid; Ce(III/IV) complexes; Kinetics of thermal decomposition; Antimicrobial activity; TERNARY COMPLEXES; INFRARED-SPECTRA; COPPER(II) COMPLEXES; CRYSTAL-STRUCTURE; ACID; CERIUM(III); STABILITY; NTA; COORDINATION; NICKEL(II);
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Two new complexes [Ce(NTA)(H2O)(2)] (1), H[Ce(NTA)(H2O)(2)]SO4 center dot 4H(2)O (2) were obtained during the reactions of metal salts CeCl3 center dot 7H(2)O and Ce(SO4)(2) with nitrilotriacetic acid, H(3)NTA. The infrared and H-1 NMR spectra of the solid complexes have been obtained and assigned. Thermogravimetry, differential thermal gravimetry and differential thermal analyses were also carried out. The data obtained agree quite well with the proposed structures and show that the complexes finally decompose to the corresponding cerium oxides and sulphate. The kinetics of thermal decomposition of the complexes have been studied. The complexes were screened for their antimicrobial activities by the agar-well diffusion technique using DMSO as a solvent against the E. coli, B. subtilis, P aereuguinosa, S. aureus and fungi: A. niger, A. fluves; C. albican and S. cervisiea. It has been found that the complexes show a considerable antimicrobial activity.
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收藏
页码：5343 / 5348
页数：6
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