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Fura-8FF™, pentapotassium salt
The cell-impermeant Fura-8FF is an analog of Fura-8 with much lower calcium binding affinity, Kd ~10 µM. Fura-8FF has its emission shifted into longer visible wavelength that is compatible with the common filter sets. e., calculating the excitation intensity ratios at 354 nm and 415 nm by monitoring emission intensity at 530 nm.
Calculators
Common stock solution preparation
Table 1. Volume of Water needed to reconstitute specific mass of Fura-8FF™, pentapotassium 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 | 119.336 µL | 596.68 µL | 1.193 mL | 5.967 mL | 11.934 mL |
| 5 mM | 23.867 µL | 119.336 µL | 238.672 µL | 1.193 mL | 2.387 mL |
| 10 mM | 11.934 µL | 59.668 µL | 119.336 µL | 596.68 µL | 1.193 mL |
Molarity calculator
Enter any two values (mass, volume, concentration) to calculate the third.
| Mass (Calculate) | Molecular weight | Volume (Calculate) | Concentration (Calculate) | Moles | ||||
| / | = | x | = |
Spectrum
Product family
| Name | Excitation (nm) | Emission (nm) |
| Fura-8™, pentapotassium salt | 354 | 524 |
| Fura-2, pentapotassium salt *CAS 113694-64-7* | 336 | 505 |
| Fura-FF, pentapotassium salt [Fura-2FF, pentapotassium salt] *CAS 192140-58-2* | 336 | 505 |
Citations
View all 2 citations: Citation Explorer
An essential role of NAD (P) H oxidase 2 in UVA-induced calcium oscillations in mast cells
Authors: Li, Zhi Ying and Jiang, Wen Yi and Cui, Zong Jie
Journal: Photochemical & Photobiological Sciences (2015): 414--428
Authors: Li, Zhi Ying and Jiang, Wen Yi and Cui, Zong Jie
Journal: Photochemical & Photobiological Sciences (2015): 414--428
Lasting inhibition of receptor-mediated calcium oscillations in pancreatic acini by neutrophil respiratory burst--A novel mechanism for secretory blockade in acute pancreatitis?
Authors: Liang, Hui Yuan and Song, Zhi Min and Cui, Zong Jie
Journal: Biochemical and biophysical research communications (2013): 361--367
Authors: Liang, Hui Yuan and Song, Zhi Min and Cui, Zong Jie
Journal: Biochemical and biophysical research communications (2013): 361--367
References
View all 119 references: Citation Explorer
Load of calcium probe Fura -2/AM in Escherichia coli cells
Authors: Shao M, Wang HM, Liu ZH, Shen P, Cai RX.
Journal: Wei Sheng Wu Xue Bao (2005): 805
Authors: Shao M, Wang HM, Liu ZH, Shen P, Cai RX.
Journal: Wei Sheng Wu Xue Bao (2005): 805
An Excel-based model of Ca2+ diffusion and fura 2 measurements in a spherical cell
Authors: McHugh JM, Kenyon JL.
Journal: Am J Physiol Cell Physiol (2004): C342
Authors: McHugh JM, Kenyon JL.
Journal: Am J Physiol Cell Physiol (2004): C342
Problems caused by high concentration of ATP on activation of the P2X7 receptor in bone marrow cells loaded with the Ca2+ fluorophore fura-2
Authors: Paredes-Gamero EJ, Franca JP, Moraes AA, Aguilar MO, Oshiro ME, Ferreira AT.
Journal: J Fluoresc (2004): 711
Authors: Paredes-Gamero EJ, Franca JP, Moraes AA, Aguilar MO, Oshiro ME, Ferreira AT.
Journal: J Fluoresc (2004): 711
Photonic crystal fibre enables short-wavelength two-photon laser scanning fluorescence microscopy with fura-2
Authors: McConnell G, Riis E.
Journal: Phys Med Biol (2004): 4757
Authors: McConnell G, Riis E.
Journal: Phys Med Biol (2004): 4757
Abnormal spectra alteration observed in Triton calibration method for measuring [Ca2+]i with fluorescence indicator, fura-2
Authors: Xu T, Yang W, Huo XL, Song T.
Journal: J Biochem Biophys Methods (2004): 219
Authors: Xu T, Yang W, Huo XL, Song T.
Journal: J Biochem Biophys Methods (2004): 219
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