In the present work,WO_(3) nanosheets(WO_(3) NSs)were prepared by a facile method at room temperature.The obtained WO_(3) NSs showed peroxidase-like activity,which could catalyze 3,3’,5,5’-tetramethylbenzidine(TMB)t...In the present work,WO_(3) nanosheets(WO_(3) NSs)were prepared by a facile method at room temperature.The obtained WO_(3) NSs showed peroxidase-like activity,which could catalyze 3,3’,5,5’-tetramethylbenzidine(TMB)to form a blue oxidation product(ox TMB)in the presence of H_(2)O_(2).Based on this,convenient and sensitive colorimetric methods for the detection of H_(2)O_(2) and glucose were established.The linear ranges for detecting H_(2)O_(2) and glucose were 1–200µmol/L and 1–100µmol/L,respectively.The limits of the detection of H_(2)O_(2) and glucose were as low as 0.79 and 0.96µmol/L,respectively.This method was also successfully applied to the detection of glucose in urine samples.The detection result was consistent with that of the value detected by the clinical method,indicating the potential in clinical diagnosis and biomedical detection.展开更多
基金supported by the National Natural Science Foundation of China(No.61664002)the Innovation Project of Guangxi Graduate Education,China(No.YCSW2021050)the Foundation of College Student Innovation Ability Training of Guangxi University,China(No.202110593185).
文摘In the present work,WO_(3) nanosheets(WO_(3) NSs)were prepared by a facile method at room temperature.The obtained WO_(3) NSs showed peroxidase-like activity,which could catalyze 3,3’,5,5’-tetramethylbenzidine(TMB)to form a blue oxidation product(ox TMB)in the presence of H_(2)O_(2).Based on this,convenient and sensitive colorimetric methods for the detection of H_(2)O_(2) and glucose were established.The linear ranges for detecting H_(2)O_(2) and glucose were 1–200µmol/L and 1–100µmol/L,respectively.The limits of the detection of H_(2)O_(2) and glucose were as low as 0.79 and 0.96µmol/L,respectively.This method was also successfully applied to the detection of glucose in urine samples.The detection result was consistent with that of the value detected by the clinical method,indicating the potential in clinical diagnosis and biomedical detection.
