期刊
ANALYTICAL AND BIOANALYTICAL CHEMISTRY
卷 -, 期 -, 页码 -出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s00216-023-05030-w
关键词
Nanozyme; Phosphate; Boron nitride; Fluorescence; Nanosheet
The phosphatase-like catalytic activity of few-layered h-BNNS was reported for the first time, and a selective fluorescent method for the detection of phosphate in urine samples was proposed. The method showed consistent results with the traditional method in the detection of human urine phosphorus, indicating its potential application in clinical disease diagnosis.
Human urine phosphorus (existing in the form of phosphate) is a biomarker for the diagnosis of several diseases such as kidney disease, hyperthyroidism, and rickets. Therefore, the selective detection of phosphate in urine samples is crucial in the field of clinical diagnosis. Herein, we reported the phosphatase-like catalytic activity of few-layered h-BNNS for the first time. As the phosphatase-like activity of few-layered h-BNNS could be effectively inhibited by phosphate, a selective fluorescent method for the detection of phosphate was proposed. The linear range for phosphate detection is 0.5-10 mu M with a detection limit of 0.33 mu M. The fluorescent method was then explored for the detection of human urine phosphorus in real samples. The results obtained by the proposed method were consistent with those of the traditional method, indicating that the present method has potential application for urine phosphorus detection in clinical disease diagnosis.
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