Product 6100
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Catalog ID 6100 / 1 mg
Mag-fura-2, tetrapotassium salt *Cell impermeant*
AKA: Furaptra, tetrapotassium salt
Formula | Weight | CAS# |
---|---|---|
C18H10K4N2O11 | 586.68 | 132319-57-4 |
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Mag-fura-2, tetrapotassium salt is a cell-impermeant, fluorescent ion indicator for intracellular magnesium ion measurements. Mag-fura-2’s spectral response to ion-binding permits a ratiometric calculation of ion concentration that cancels artifacts of photobleaching, dye concentration gradients, cell thickness and dye leakage. The tetrapotassium salt form of Mag-Fura-2 is water soluble and may be loaded into live cells by microinjection, patch pipette infusion, scrape loading, bead loading, or ATP-induced permeabilization. The excitation wavelength of Mag-fura-2 varies with magnesium ion concentration and shifts to shorter wavelengths with increasing magnesium concentration. The ratio of fluorescence intensity at 510 nm when excited at 340/380 nm is used for ratiometric calculation of ion concentration. .
Product Size | 1 mg |
---|---|
Form | lite yellow solid |
Absorption (estimated) | Wavelength (λmax) 369 ± 3 nm (Water) |
Fluorescence (estimated) | Wavelength (λmax) 508 ± 4 nm (Water) |
Storage conditions | Freeze: Store at -5 to -30°C (F) Protect from moisture (D) Protect from light (L) |
MDL# |
* Furaptra, tetrapotassium salt
* 5-Oxazolecarboxylic acid, 2-[6-[bis(carboxymethyl)amino]-5-(carboxymethoxy)-2- benzofuranyl]-, tetrapotassium salt
* 5-Oxazolecarboxylic acid, 2-[6-[bis(carboxymethyl)amino]-5-(carboxymethoxy)-2- benzofuranyl]-, tetrapotassium salt
Cellular Sensors, Ion and pH Indicators (Fluorescent/Non-Fluorescent): | Fluorescent Calcium Indicators |
---|---|
Fluorescent Probes and Related Products: | Fluorescent Indicators (Ca, Cl, K, Mg, Na, Zn) |
Cellular Sensors, Ion and pH Indicators (Fluorescent/Non-Fluorescent): | Fluorescent Magnesium Indicators |
Label or Dye: | Fura-2 / Fura-4 / Fura-5 / Fura-FF / Mag-fura |
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