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Fluorescent Calcium Indicators
and Related Products > FURA-2 and Furaptra
|
Fura-2 is a widely used UV-excitable
fluorescent calcium indicator. Upon calcium binding, the
fluorescent excitation maximum of the indicator undergoes a
blue shift from 363 nm (Ca2+-free) to 335 nm (Ca2+-saturated),
while the fluorescence emission maximum is relatively
unchanged at ~510 nm. The indicator is typically excited at
340 nm and 380 nm respectively and the ratio of the
fluorescent intensities corresponding to the two excitations
is used in calculating the intracellular concentrations.
Measurement of calcium concentration using this ratioing
method avoids interference due to uneven dye distribution
and photobleaching (Bright, G.R., et al, in Fluorescence
Microscopy of Living Cells in Culture, Part B, (Methods in
Cell Biology, Vol. 30), Academic Press (1989) p. 157).
Fura-2 has been used in many cellular systems and
applications, particularly in microscopic imaging.
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Ref.: Ward, C.A. and Moffat, M.P. J. Mol. Cell. Cardiol.
24, 937(1992); Gorczynska, E. and Handelsman, D.J. J. Biol.
Chem. 266, 23739(1991); Jaconi, M.E. et al. J. Cell Biol.
110, 1555(1990); Bals, S., et al. Cell Calcium 11,
385(1990); Grynkiewicz, G., et al. J. Biol. Chem. 260,
3340(1985).
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| Cat#
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Product Name
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Price Per Unit *
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| 50029 |
Fura-2, AM ester, 1mM in anhydrous DMSO
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1ml
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| 50030 |
Fura-2, pentaammonium salt
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1mg
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| 50031 |
Fura-2, pentapotassium salt
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1mg
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| 50032 |
Fura-2, pentasodium salt
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1mg
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| 50033 |
Fura-2, AM ester (special packaging)
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10x100ug
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| 50033-1 |
Fura-2, AM ester (special packaging)
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20x50ug
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| 50034 |
Fura-2, AM ester
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1mg
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| 50035 |
Furaptra, tetrapotassium salt (also known as Mag-Fura-2,
tetrapotassium salt)
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1mg
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|
| 50036 |
Furaptra, tetrasodium salt (also known as Mag-Fura-2,
tetrasodium salt)
|
1mg
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| 50037 |
Furaptra, AM ester (also known as Mag-Fura-2, AM ester)
(special packaging)
|
10x100ug
|
|
| 50038 |
Furaptra, AM ester (also known as Mag-Fura-2, AM
ester)
|
1mg
|
215 € |
| 50039 |
Furaptra, AM ester (also known as Mag-Fura-2, AM
ester) (special packaging)
|
20x50ug
|
|
| 50045 |
Bis-Fura-2, hexapotassium salt
|
1mg
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| * |
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Price is for US enduser only. International price may vary.
Please contact your local distributors for your price.
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• |
All prices are quoted in US dollars,
and are subject to change without notice. Please contact us for
current prices. Any written confirmation of prices is valid for
30 days only. Please visit Order Biotium's Product for further
details. |
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• |
Many of our products are also
available in BULK QUANTITIES. Please inquire for BULK RATES
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