Anthracene excimer-based “turn on” fluorescent sensor for Cr3+ and Fe3+ ions: Its application to living cells
作者： Serkan Erdemir , Ozcan Kocyigit
DOI: 10.1016/J.TALANTA.2016.05.017
关键词:
摘要: Abstract A novel anthracene based fluorescent probe containing benzothiazole group (BFA) was designed and synthesized. The cation binding properties of BFA were studied in the presence various cations. Both UV–vis fluorescence spectroscopic studies indicated that highly sensitive selective toward trivalent cations (Cr3+ Fe3+), while there no response to monovalent, divalent also Al3+ ion. interaction with Cr3+ Fe3+ caused a significant enhancement emission intensity due combination unique anthracenyl static excimer formation, restricted C=N isomerization suppression efficient photoinduced electron transfer (PET) process. detection limits for 0.46 0.45 µM, which presented pronounced sensitivity Fe3+, respectively. Also, possible utilization as bio-imaging detect human prostate cancer cell lines observed by confocal microscopy.
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