Nair Ratish R, Raju M, Patel Neha P, Raval Ishan H, Suresh E, Haldar Soumya, Chatterjee Pabitra B
Analytical Discipline and Centralized Instrumental Facility, CSIR-CSMCRI, G. B. Marg, Bhavnagar 364002, India.
Analyst. 2015 Aug 21;140(16):5464-8. doi: 10.1039/c5an00957j.
A Cu(2+)-specific colorimetric reversible fluorescent receptor was designed and synthesized which showed a naked eye observable colour change from colourless to pink on addition of an aqueous buffer (pH 7.4) solution of 30 ppb Cu(2+). Short response time (≤5 s) and low detection limit (nearly 3 ppb) make suitable as a reliable "dip-in" open eye sensor for Cu(2+). Bio-imaging application in live brine shrimp Artemia enabled to detect Cu(2+) at as low as 10 ppb exposure.
设计并合成了一种对Cu(2+)具有特异性的比色可逆荧光受体，当加入30 ppb Cu(2+)的水性缓冲液（pH 7.4）溶液时，该受体呈现出肉眼可观察到的从无色到粉红色的颜色变化。短响应时间（≤5秒）和低检测限（近3 ppb）使其适合作为一种可靠的用于检测Cu(2+)的“浸入式”肉眼传感器。在活卤虫中的生物成像应用能够检测到低至10 ppb暴露量的Cu(2+)。
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