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Fluo-2, potassium salt
Calcium measurement is critical for numerous biological investigations. Fluorescent probes that show spectral responses upon binding calcium have enabled researchers to investigate changes in intracellular free calcium concentrations by using fluorescence microscopy, flow cytometry, fluorescence spectroscopy and fluorescence microplate readers. Fluo-2 is the parent compound of Fluo-3 and Fluo-4. These fluorescent calcium indicators have calcium-dependent fluorescence.
Calculators
Common stock solution preparation
Table 1. Volume of Water needed to reconstitute specific mass of Fluo-2, potassium salt to given concentration. Note that volume is only for preparing stock solution. Refer to sample experimental protocol for appropriate experimental/physiological buffers.
| 0.1 mg | 0.5 mg | 1 mg | 5 mg | 10 mg | |
| 1 mM | 112.221 µL | 561.104 µL | 1.122 mL | 5.611 mL | 11.222 mL |
| 5 mM | 22.444 µL | 112.221 µL | 224.442 µL | 1.122 mL | 2.244 mL |
| 10 mM | 11.222 µL | 56.11 µL | 112.221 µL | 561.104 µL | 1.122 mL |
Molarity calculator
Enter any two values (mass, volume, concentration) to calculate the third.
| Mass (Calculate) | Molecular weight | Volume (Calculate) | Concentration (Calculate) | Moles | ||||
| / | = | x | = |
Product family
| Name | Excitation (nm) | Emission (nm) | Extinction coefficient (cm -1 M -1) | Quantum yield | Correction Factor (260 nm) | Correction Factor (280 nm) |
| Fluo-8®, potassium salt | 495 | 516 | 23430 | 0.161 | 1.076 | 0.769 |
| Fluo-8L™, potassium salt | 495 | 516 | 23430 | 0.161 | 1.076 | 0.769 |
| Fluo-8FF™, potassium salt | 495 | 516 | 23430 | 0.161 | 1.076 | 0.769 |
Citations
View all 10 citations: Citation Explorer
Calreticulin regulates TGF-β1-induced epithelial mesenchymal transition through modulating Smad signaling and calcium signaling
Authors: Wu, Yanjiao and Xu, Xiaoli and Ma, Lunkun and Yi, Qian and Sun, Weichao and Tang, Liling
Journal: The International Journal of Biochemistry & Cell Biology (2017)
Authors: Wu, Yanjiao and Xu, Xiaoli and Ma, Lunkun and Yi, Qian and Sun, Weichao and Tang, Liling
Journal: The International Journal of Biochemistry & Cell Biology (2017)
Monosialoganglioside 1 may alleviate neurotoxicity induced by propofol combined with remifentanil in neural stem cells
Authors: Lu, Jiang and Yao, Xue-qin and Luo, Xin and Wang, Yu and Chung, Sookja Kim and Tang, He-xin and Cheung, Chi Wai and Wang, Xian-yu and Meng, Chen and Li, Qing and others, undefined
Journal: Neural Regeneration Research (2017): 945
Authors: Lu, Jiang and Yao, Xue-qin and Luo, Xin and Wang, Yu and Chung, Sookja Kim and Tang, He-xin and Cheung, Chi Wai and Wang, Xian-yu and Meng, Chen and Li, Qing and others, undefined
Journal: Neural Regeneration Research (2017): 945
Obtaining spontaneously beating cardiomyocyte-like cells from adipose-derived stromal vascular fractions cultured on enzyme-crosslinked gelatin hydrogels
Authors: Yang, Gang and Xiao, Zhenghua and Ren, Xiaomei and Long, Haiyan and Ma, Kunlong and Qian, Hong and Guo, Yingqiang
Journal: Scientific Reports (2017): 41781
Authors: Yang, Gang and Xiao, Zhenghua and Ren, Xiaomei and Long, Haiyan and Ma, Kunlong and Qian, Hong and Guo, Yingqiang
Journal: Scientific Reports (2017): 41781
Dexmedetomidine reduces hypoxia/reoxygenation injury by regulating mitochondrial fission in rat hippocampal neurons
Authors: Liu, Jia and Du, Qing and Zhu, He and Li, Yu and Liu, Maodong and Yu, Shoushui and Wang, Shilei
Journal: Int J Clin Exp Med (2017): 6861--6868
Authors: Liu, Jia and Du, Qing and Zhu, He and Li, Yu and Liu, Maodong and Yu, Shoushui and Wang, Shilei
Journal: Int J Clin Exp Med (2017): 6861--6868
Di (2-ethylhexyl) phthalate-induced apoptosis in rat INS-1 cells is dependent on activation of endoplasmic reticulum stress and suppression of antioxidant protection
Authors: Sun, Xia and Lin, Yi and Huang, Qiansheng and Shi, Junpeng and Qiu, Ling and Kang, Mei and Chen, Yajie and Fang, Chao and Ye, Ting and Dong, Sijun
Journal: Journal of cellular and molecular medicine (2015): 581--594
Authors: Sun, Xia and Lin, Yi and Huang, Qiansheng and Shi, Junpeng and Qiu, Ling and Kang, Mei and Chen, Yajie and Fang, Chao and Ye, Ting and Dong, Sijun
Journal: Journal of cellular and molecular medicine (2015): 581--594
References
View all 53 references: Citation Explorer
A flow cytometric comparison of Indo-1 to fluo-3 and Fura Red excited with low power lasers for detecting Ca(2+) flux
Authors: Bailey S, Macardle PJ.
Journal: J Immunol Methods (2006): 220
Authors: Bailey S, Macardle PJ.
Journal: J Immunol Methods (2006): 220
Functional fluo-3/AM assay on P-glycoprotein transport activity in L1210/VCR cells by confocal microscopy
Authors: Orlicky J, Sulova Z, Dovinova I, Fiala R, Zahradnikova A, Jr., Breier A.
Journal: Gen Physiol Biophys (2004): 357
Authors: Orlicky J, Sulova Z, Dovinova I, Fiala R, Zahradnikova A, Jr., Breier A.
Journal: Gen Physiol Biophys (2004): 357
Comparison of human recombinant adenosine A2B receptor function assessed by Fluo-3-AM fluorometry and microphysiometry
Authors: Patel H, Porter RH, Palmer AM, Croucher MJ.
Journal: Br J Pharmacol (2003): 671
Authors: Patel H, Porter RH, Palmer AM, Croucher MJ.
Journal: Br J Pharmacol (2003): 671
Measurement of the dissociation constant of Fluo-3 for Ca2+ in isolated rabbit cardiomyocytes using Ca2+ wave characteristics
Authors: Loughrey CM, MacEachern KE, Cooper J, Smith GL.
Journal: Cell Calcium (2003): 1
Authors: Loughrey CM, MacEachern KE, Cooper J, Smith GL.
Journal: Cell Calcium (2003): 1
Kinetics of onset of mouse sperm acrosome reaction induced by solubilized zona pellucida: fluorimetric determination of loss of pH gradient between acrosomal lumen and medium monitored by dapoxyl (2-aminoethyl) sulfonamide and of intracellular Ca(2+) chang
Authors: Rockwell PL, Storey BT.
Journal: Mol Reprod Dev (2000): 335
Authors: Rockwell PL, Storey BT.
Journal: Mol Reprod Dev (2000): 335
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