期刊
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
卷 302, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.saa.2023.123077
关键词
Pyrimidine; Diethylaminophenol; Al3+; PPi; Tablet applications; Paper-strips; Cotton-swabs
类别
In this study, a novel diethylaminophenol appended pyrimidine bis hydrazone (HD) probe was designed and developed. The probe showed excellent sequential sensing characteristics for Al3+ and PPi ions. Various spectroscopic techniques were used to understand the binding mechanism of HD with Al3+ ions, and the selectivity and sensitivity of the probe towards Al3+ ions were discovered. The probe was also able to consecutively detect PPi ions, and its sensing properties were utilized in constructing logic gates and for practical applications.
In this study, a novel easy-to-prepare diethylaminophenol appended pyrimidine bis hydrazone (HD) has been designed and developed. The probe exhibits excellent sequential sensing characteristics towards Al3+ and PPi ions. The emission studies, various spectroscopic techniques and lifetime results have been utilized to understand the binding mechanism of HD with Al3+ ions and, to discover the specificity as well as the efficacy of the probe in sensing Al3+ ions. The good association constant in addition to the lower detection limit values makes the probe effective for the detection of Al3+. The in-situ produced HD-Al3+ ensemble could consecutively detect PPi via a turn-off fluorescence response and the selectivity and sensitivity characteristics of the generated ensemble to-wards PPi were described based on the demetallation approach. The overall sensing property of HD was perfectly employed for constructing logic gates, real water, and tablet applications. Paper strips, as well as cotton-swab experiments, were also conducted inorder to check the practical utility of the synthesized probe.
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