7th Dream Poor Sakura Vol 4
7th Dream. Poor Sakura Vol 4 37 1.
 
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Category:Hentai mangaA rapid and highly sensitive indirect method for the detection of atrazine and dealkylated metabolites in water samples based on chemiluminescence.
A novel chemiluminescence (CL) biosensor, comprising a hexacyanoferrate (II)/tripropylamine (TPA)/polyaniline (PANI)/solid boron-doped diamond (BDD) hybrid (Hexa-BDD), for the sensitive and selective detection of atrazine and its dealkylated metabolites in water samples is presented. The CL sensor was prepared by the electrochemical polymerization of PANI, onto which a thin film of BDD was directly grown and fixed onto the glassy carbon surface of an electrochemical cell as the working electrode. The CL sensor exhibited high selectivity toward atrazine, N-desethylatrazine and dealkylatrazine, as a result of the electron-acceptor (tripropylamine) mediating a rapid oxidation of the hexacyanoferrate (II) ions on the BDD working electrode surface. The CL emission intensity, as a function of the analyte concentration, was recorded and the calibration graph was linear in the concentration range of 1.3×10(-8)-1.3×10(-6) M for atrazine, 2.4×10(-8)-2.4×10(-6) M for dealkylatrazine, and 1.2×10(-8)-1.2×10(-6) M for N-desethylatrazine. The detection limit for atrazine, dealkylatrazine and N-desethylatrazine, was 1.3×10(-9) M, 4.8×10(-9) M and 5.0×10(-9) M, respectively. The feasibility of the CL biosensor for the determination of the target analytes in real water samples was successfully demonstrated.Q:
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