荧光素(fluorescein)又称荧光黄,化学名二羟基荧烷,是一种合成有机化合物,外观为暗橙色/红色粉末,可溶于乙醇,微溶于水。在蓝光或紫外线照射下會发出绿色荧光。
在多种技術应用(如荧光抗体技术)中被广泛用作为荧光示踪物。目前常用於眼科的檢查中,如在眼表疾病的临床工作中,也用荧光素钠(fluorescein sodium)进行染色,后在藍光下观察,以评估角膜屏障功能是否受损及受损程度。
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参考文献
外部链接
*[http://omlc.ogi.edu/spectra/PhotochemCAD/html/fluorescein(EtOH).html Absorption and Emission Spectra of Fluorescein in Ethanol] and [http://omlc.ogi.edu/spectra/PhotochemCAD/html/fluorescein-dibase.html Basic Ethanol] at OGI School of Science and Engineering
*[https://web.archive.org/web/20060312202803/http://probes.invitrogen.com/handbook/figures/0571.html Fluorescein Ionization Equilibria] at Invitrogen
*[http://physchem.ox.ac.uk/MSDS/FL/fluorescein.html MSDS at Oxford University]
*[http://omlc.ogi.edu/spectra/PhotochemCAD/html/fluorescein-dibase.html Absorption spectra and fluorescence emission spectra]
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