Jung Jae Min, Lee Jae Jun, Nam Eunju, Lim Mi Hee, Kim Cheal, Harrison Roger G
Department of Fine Chemistry, Seoul National University of Science and Technology, Seoul 139-743, Republic of Korea; Department of Interdisciplinary Bio IT Materials, Seoul National University of Science and Technology, Seoul 139-743, Republic of Korea.
Department of Chemistry, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea.
Spectrochim Acta A Mol Biomol Spectrosc. 2017 May 5;178:203-211. doi: 10.1016/j.saa.2017.02.006. Epub 2017 Feb 7.
A zinc sensor based on quinoline and morpholine has been synthesized. The sensor selectively fluoresces in the presence of Zn, while not for other metal ions. Absorbance changes in the 350nm region are observed when Zn binds, which binds in a 1:1 ratio. The sensor fluoresces due to Zn above pH values of 6.0 and in the biological important region. The Zn-sensor complex has the unique ability to detect both Hg and HS. The fluorescence of the Zn-sensor complex is quenched when it is exposed to aqueous solutions of Hg with sub-micromolar detection levels for Hg. The fluorescence of the Zn-sensor complex is also quenched by aqueous solutions of hydrosulfide. The sensor was used to detect Zn and Hg in living cells.
一种基于喹啉和吗啉的锌传感器已被合成。该传感器在锌存在时选择性地发出荧光,而对其他金属离子则不发光。当锌以1:1的比例结合时,在350nm区域观察到吸光度变化。该传感器在pH值高于6.0以及生物学重要区域内由于锌而发出荧光。锌-传感器复合物具有检测汞和硫化氢的独特能力。当锌-传感器复合物暴露于检测水平为亚微摩尔的汞水溶液时,其荧光会猝灭。锌-传感器复合物的荧光也会被硫化氢水溶液猝灭。该传感器用于检测活细胞中的锌和汞。