Sharma Darshna, Kuba Aman, Thomas Rini, Kumar Rajender, Choi Heung-Jin, Sahoo Suban K
Department of Applied Chemistry, SV National Institute of Technology, Ichchhanath, Surat 395007, Gujrat, India.
Department of Applied Chemistry, Kyungpook National University, Daegu 702-701, Republic of Korea.
Spectrochim Acta A Mol Biomol Spectrosc. 2016 Jan 15;153:393-6. doi: 10.1016/j.saa.2015.08.051. Epub 2015 Sep 3.
Chemosensor L derived from vitamin B6 cofactor pyridoxal-5-phosphate was investigated for the selective detection of Cu(2+) and Fe(3+) in aqueous medium. Sensor L formed a 1:1 complex with Cu(2+) and displays a perceptible color change from colorless to yellow brown with the appearance of a new charge transfer band at ~450 nm. In contrast, the fluorescence of L was quenched selectively in the presence of Fe(3+) without any interference from other metal ions including Cu(2+).
对源自维生素B6辅因子磷酸吡哆醛的化学传感器L进行了研究，以用于在水介质中选择性检测Cu(2+)和Fe(3+)。传感器L与Cu(2+)形成1:1配合物，并随着在~450nm处出现新的电荷转移带，呈现出从无色到黄棕色的明显颜色变化。相比之下，在Fe(3+)存在下，L的荧光被选择性猝灭，不受包括Cu(2+)在内的其他金属离子的任何干扰。
