FITC-FA 即异硫氰酸荧光素（FITC）标记的叶酸（Folic Acid，FA）。FITC 是一种常用荧光染料，最大吸收波长为 490–495 nm，最大发射波长为 520–530 nm，呈明亮的黄绿色荧光，具有光稳定性强、荧光量子产率高的特点。FITC-FA 可特异性结合肿瘤细胞，借助荧光显微镜、流式细胞仪等设备，实现对肿瘤细胞的准确定位与定量分析，助力肿瘤早期诊断与治疗研究；同时还可用于探究细胞摄取叶酸的机制及细胞内叶酸的代谢途径。
| 生物活性 |
FITC-FA stands for Folic Acid (FA) labeled with fluorescein isothiocyanate (FITC). FITC is a commonly used fluorescent dye with a maximum absorption wavelength of 490-495 nm and a maximum emission wavelength of 520-530 nm. It exhibits bright yellow green fluorescence and has strong photostability and high fluorescence quantum yield. FITC-FA can specifically bind to tumor cells, and with the help of fluorescence microscopy, flow cytometry, and other equipment, accurate localization and quantitative analysis of tumor cells can be achieved, assisting in early diagnosis and treatment research of tumors; It can also be used to explore the mechanism of cellular uptake of folate and the metabolic pathways of intracellular folate. |
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| 运输条件 |
Room temperature in continental US; may vary elsewhere. |
| 储存方式 |
-20°C, protect from light * In solvent : -80°C, 6 months; -20°C, 1 month (protect from light) |
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