【摘要】 以氟硼二吡咯作为荧光基团、以肼基作为活性基团设计、合成了一种可用于物质的量高灵敏地检测水溶液中汞离子的荧光探针(MS).该探针在水溶液中5 min内基本可以完成对汞离子的检测,随着汞离子浓度的增加,溶液紫外吸收明显红移,荧光强度大大增强.即使体系中汞离子物质的量浓度在0.1μmol/L时,溶液荧光强度也有明显变化,说明该探针具有很高的灵敏度.另外选择性实验表明该探针在相同条件下对其他常见金属离子没有明显响应,说明该探针具有很好的选择性.更多还原

【Abstract】 A highly sensitive fluorescent probe based on BODIPY and hydrazine for Hg²⁺was designed and synthesized. This probe could detect mercury ions in aqueous solutions within 5 min. With the increase of Hg²⁺mole concentration,an obvious red shift of UV-Vis absorption wavelength was observed and the fluorescence intensity significantly enhanced. It was found that the fluorescence intensity of an aqueous solution containing 0. 1 μmol / L Hg²⁺is much stronger than that of blank solution,which indicats that the fluorescent probe has high sensitivity. In addition,other metal ions could not cause the change of fluorescent spectra,which means this probe has good selectivity,as well.更多还原