Photo-oxidation of phenol in aqueous alkaline and neutral buffer solutions by irradiation with visible light in the presence of 5,10,15,20-tetrakis(4-N,N,N-trimethylanilinium)porphyrin (TAPP) and its zinc metal ion (ZnTAPP) photo-sensitizers is described. The inhibitory effect of these molecules on the growth of Gram-positive bacteria Bacillus subtilis and Bacillus strophaeus and the Gram-negative strain Pseudomonas aeruginosa has also been examined. Furthermore, to determine the relationship between inhibition and attachment, the degree of binding of these photo-sensitizers to these bacteria was determined. The results show that TAPP is more effective than ZnTAPP in the photo-oxidation of phenol and photo-inactivation of the bacteria. In addition, the degree of binding of TAPP to these bacteria was more than that of ZnTAPP.
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Research Article|
June 01 2015
Efficient photo-oxidation of phenol and photo-inactivation of bacteria by cationic tetrakis(trimethylanilinium)porphyrins Available to Purchase
Fatemeh Fayyaz;
Fatemeh Fayyaz
1Bioinorganic Chemistry Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran 16846-13114, Iran
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Rahmatollah Rahimi;
1Bioinorganic Chemistry Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran 16846-13114, Iran
E-mail: [email protected]
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Mehdi Rassa;
Mehdi Rassa
2Department of Biology, Faculty of Science, University of Guilan, Rasht, Iran
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Ali Maleki
Ali Maleki
3Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran 16846-13114, Iran
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Water Supply (2015) 15 (5): 1099–1105.
Article history
Received:
February 21 2015
Accepted:
May 13 2015
Citation
Fatemeh Fayyaz, Rahmatollah Rahimi, Mehdi Rassa, Ali Maleki; Efficient photo-oxidation of phenol and photo-inactivation of bacteria by cationic tetrakis(trimethylanilinium)porphyrins. Water Supply 1 October 2015; 15 (5): 1099–1105. doi: https://doi.org/10.2166/ws.2015.068
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