Cell permeable photo-stable nitric oxide (NO) fluorescent indicator, that is hydrolyzed to DAF-FM by intracellular esterases (Ex: 500nm; Em: 515nm). Stable in a pH range of 5.5-12. High yield (quantum efficiency). Detection limit 3nM. Not for sale in Japan.
Product Specification
| Alternative Name: | Diaminofluorescein-FM . diacetate |
| |
| Concentration: | 2.5mg/ml |
| |
| Formula: | C25H18F2N2O7 |
| |
| MW: | 496.4 |
| |
| Purity: | ≥98% (HPLC) |
| |
| Formulation: | Liquid. In 0.4ml DMSO. |
| |
| CAS: | 254109-22-3 |
| |
| Long Term Storage: | -20°C |
| |
| Use/Stability: | Prepare 500-fold dilution (~10µM) in phosphate buffer (0.1M phosphate, pH 7.4) immediately before use. BSA, phenol red and amines may affect the fluorescence and must be used with caution. Do not store diluted solutions. |
| |
| Handling: | After opening, prepare aliquots and store at -20°C. Keep under inert gas. Protect from light. |
| |
Please mouse over
Product Literature References
Imaging of nitric oxide in a living vertebrate using a diamino-fluorescein probe: S. Lepiller et al.; Free Radic. Biol. Med.
43, 619 (2007),
Abstract;
Bioimaging of nitric oxide with fluorescent indicators based on the rhodamine chromophore: H. Kojima, et al.; Anal. Chem.
73, 1967 (2001),
Abstract;
Visualization of oxygen-concentration-dependent production of nitric oxide in rat hippocampal slices during aglycemia: H. Kojima, et al.; J. Neurochem.
76, 1404 (2001),
Abstract;
Determination and bioimaging method for nitric oxide in biological specimens by diaminofluorescein fluorometry: Y. Itoh, et al.; Anal. Biochem.
287, 203 (2000),
Abstract;
Fluorescent indicators for nitric oxide: H. Kojima & T. Nagano; Advanced Materials 12, 763 (2000),