PeptideDB

Fluo-3AM

CAS: 121714-22-5 F: C51H50Cl2N2O23 W: 1129.85

Fluo-3 AM is a fluorecent Ca2+ chelator, with high affinity for calcium. Fluo-3 AM can specifically identify intracellul
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Bioactivity Fluo-3 AM is a fluorecent Ca2+ chelator, with high affinity for calcium. Fluo-3 AM can specifically identify intracellular calcium ions, with high sensitivity, low cytotoxicity, increased AM acetylmethyl ester can enter the cell well, after being sheared by the intracellular esterase stay in the cell to bind to calcium ions, produce strong fluorescence[1].
Invitro 1. Fluo-3 AM 工作液的配制1.1 制备储存液用无水 DMSO 稀释 Fluo-3 AM 去配制 10 mM 的储备液。注:Fluo-3 AM 储存液建议分装后于 -20℃ 或 -80℃ 避光保存。1.2 工作液的配制用预热好的 HBSS 稀释储存液,配制成 1-10 μM 的 Fluo-3 AM 工作液。注:请根据实际情况调整 Fluo-3 AM 工作液浓度,且现用现配。2. 细胞染色 (悬浮细胞)2.1 离心收集细胞,加入 PBS 洗涤两次,每次 5 分钟。细胞密度在1×106/mL2.2 加入 1 mL Fluo-3 AM 工作液,室温孵育 5-30 分钟。2.3 400 g,离心 3-4 分钟,弃去上清。2.4 加入 PBS 洗涤细胞两次,每次 5 分钟。2.5 用 1 mL HBSS 重悬细胞后,使用荧光显微镜或流式细胞仪进行观察。3. 细胞染色 (贴壁细胞)3.1 将贴壁细胞培养于无菌盖玻片上。3.2 从培养基中移出盖玻片,吸除多余培养基。3.3 加入 100 μL 染料工作液,轻轻晃动使其完全覆盖细胞,孵育 5-30 分钟。3.4 吸去染料工作液,用培养基洗 2-3 次,每次 5 分钟,使用荧光显微镜进行观察。
Name Fluo-3AM
CAS 121714-22-5
Formula C51H50Cl2N2O23
Molar Mass 1129.85
Appearance Solid
Transport Room temperature in continental US; may vary elsewhere.
Storage

-20°C, protect from light

*In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)

Reference [1]. Loughrey, C. M., MacEachern, K. E., Cooper, J., & Smith, G. L. (2003). Measurement of the dissociation constant of Fluo-3 for Ca2+ in isolated rabbit cardiomyocytes using Ca2+ wave characteristics. Cell Calcium, 34(1), 1–9. doi:10.1016/s0143-4160(03)00012-5