CAJ | 학술논문

设计合成了以罗丹明为母体的探针分子RCu，可实现对Cu2+的选择性识别。在HEPES缓冲溶液（2×10?5 mol·L?1, pH=7.4）的测试体系中RCu本身无颜色，加入Cu2+后溶液变为粉红色，而且加入其他常见金属阳离子无颜色变化。探针分子可识别较低浓度的Cu2+，检出限可达6.37×10?8 mol·L?1。同时探针分子可用于试纸化检测，对水样中的Cu2+可实现低浓度的检测，具有一定的实用价值。
설계합성료이라단명위모체적탐침분자RCu，가실현대Cu2+적선택성식별。재HEPES완충용액（2×10?5 mol·L?1, pH=7.4）적측시체계중RCu본신무안색，가입Cu2+후용액변위분홍색，이차가입기타상견금속양리자무안색변화。탐침분자가식별교저농도적Cu2+，검출한가체6.37×10?8 mol·L?1。동시탐침분자가용우시지화검측，대수양중적Cu2+가실현저농도적검측，구유일정적실용개치。
A new Rhodamine derivative RCu was designed and synthesized as a colorimetric probe for Cu(Ⅱ) with high selectivity. RCu itself has no color in HEPES buffer solution (2×10?5 mol·L?1, pH=7.4). With Cu2+added, the solution turns into pink color, but without change in color with other common metal cations. The probe can recognize Cu2+at low concentrations and the detection limit is 6.37×10?8 mol·L?1. Meanwhile, the probe can detect Cu2+ in water samples at lower concentrations by indicator paper, indicative of its great potential applications.