荧光
红外线的
半胱氨酸
化学
分析化学(期刊)
材料科学
光学
物理
生物化学
色谱法
酶
作者
Minghui Wang,Xindi Yang,Mengyao Yuan,Wei Zhou,L.W. Yang
标识
DOI:10.1177/00037028241241342
摘要
Hemicyanine dyes are an ideal structure for building near-infrared fluorescent probes due to their excellent emission wavelength properties and biocompatibility in biological imaging field. Developing a near-infrared fluorescent probe capable of detecting cysteine (Cys) was the aim of this study. A novel developed fluorescent probe P showed high selectivity and sensitivity to Cys in the presence of various analytes. The detection limit of P was found to be 0.329 μM. The MTT assay showed that the probe was essentially non-cytotoxic. Furthermore, the probe was successfully used as cysteine imaging in living cells and mice.
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