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Chuo Univ, Fac Sci & Engn, Dept Appl Chem, Bunkyo Ku, Tokyo 1128551, JapanIshikawa Prefectural Police HQ, Forens Sci Lab, Kanazawa, Ishikawa 9208553, Japan
We describe a unique UV-visible absorption spectral property of 5,10,15,20-tetrakis(4-hydroxyphenyl)porphyrin (THPP) in the presence of organophosphorus (OP) pesticides. Upon titrating each 16 among total 40 different OP pesticides, the Soret band was significantly red-shifted, and a very intense Q band appeared. They were attributed to the diprotonation of THPP. A suitable solvent for this reaction was determined to be methanol. THPP would become a potential sensor molecule used to detect OP pesticides with high sensitivity in the concentration range of 10(-6) - 10(-4) M.
机构:
Univ Johannesburg, Dept Appl Chem, POB 17011, ZA-2028 Johannesburg, South Africa
Univ Johannesburg, Ctr Nanomat Sci Res, Johannesburg, South AfricaUniv Johannesburg, Dept Appl Chem, POB 17011, ZA-2028 Johannesburg, South Africa
Fakayode, Olayemi J.
Sakho, El Hadji Mamour
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Univ Johannesburg, Dept Appl Chem, POB 17011, ZA-2028 Johannesburg, South Africa
Univ Johannesburg, Ctr Nanomat Sci Res, Johannesburg, South AfricaUniv Johannesburg, Dept Appl Chem, POB 17011, ZA-2028 Johannesburg, South Africa
Sakho, El Hadji Mamour
Songca, Sandile P.
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Univ Zululand, Dept Chem, Private Bag X1001, ZA-3886 Kwa Dlangezwa, South AfricaUniv Johannesburg, Dept Appl Chem, POB 17011, ZA-2028 Johannesburg, South Africa
Songca, Sandile P.
Oluwafemi, Oluwatobi S.
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Univ Johannesburg, Dept Appl Chem, POB 17011, ZA-2028 Johannesburg, South Africa
Univ Johannesburg, Ctr Nanomat Sci Res, Johannesburg, South AfricaUniv Johannesburg, Dept Appl Chem, POB 17011, ZA-2028 Johannesburg, South Africa
机构:
Univ Johannesburg, Dept Appl Chem, POB 17011, ZA-2028 Johannesburg, South Africa
Univ Johannesburg, Ctr Nanomat Sci Res, Johannesburg, South AfricaUniv Johannesburg, Dept Appl Chem, POB 17011, ZA-2028 Johannesburg, South Africa
Fakayode, Olayemi J.
Sakho, El Hadji Mamour
论文数: 0引用数: 0
h-index: 0
机构:
Univ Johannesburg, Dept Appl Chem, POB 17011, ZA-2028 Johannesburg, South Africa
Univ Johannesburg, Ctr Nanomat Sci Res, Johannesburg, South AfricaUniv Johannesburg, Dept Appl Chem, POB 17011, ZA-2028 Johannesburg, South Africa
Sakho, El Hadji Mamour
Songca, Sandile P.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Zululand, Dept Chem, Private Bag X1001, ZA-3886 Kwa Dlangezwa, South AfricaUniv Johannesburg, Dept Appl Chem, POB 17011, ZA-2028 Johannesburg, South Africa
Songca, Sandile P.
Oluwafemi, Oluwatobi S.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Johannesburg, Dept Appl Chem, POB 17011, ZA-2028 Johannesburg, South Africa
Univ Johannesburg, Ctr Nanomat Sci Res, Johannesburg, South AfricaUniv Johannesburg, Dept Appl Chem, POB 17011, ZA-2028 Johannesburg, South Africa