Spectrofluorimetric determination of hydrogen peroxide with 2-hydroxy-1-naphthaldehyde salicyloylhydrazone (HNSH) as the substrate for horseradish peroxidase (HRP). |
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Authors: | Bo Tang Yan Wang Ying Sun Han Xi Shen |
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Affiliation: | Department of Chemistry, Shandong Normal University, Jinan, PR China. toplet@jn-public.sd.cninfo.net |
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Abstract: | The oxidation reaction of HNSH with H2O2 under the catalysis of HRP was studied in detail. The possible reaction mechanism was discussed. Under optimum experimental conditions, the oxidized product of HNSH had excitation and emission maxima at 296 and 414 nm, respectively. A study to prove the existence of -O-O-H in polyethylene glycols was carried out. The proposed method was successfully applied to the determination of -O-O-H in polyethylene glycols. |
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