Invitrogen™ DAF-FM Diacetate (4-Amino-5-Methylamino-2',7'-Difluorofluorescein Diacetate)
For detection and quantification of low concentrations of nitric oxide (NO)
Brand: Invitrogen™ D23842
Code : 50
Additional Details : Weight : 0.00525kg
It is essentially nonfluorescent until it reacts with NO to form a fluorescent benzotriazole. DAF-FM fluorescence can be detected by any instrument that can detect fluorescein, including flow cytometers, microscopes, fluorescent microplate readers and fluorometers.
- Ex/Em of DAF-FM: approx. 495/515nm
- Lyophilized product should be dissolved using DMSO and then added to an aqueous buffer to create a working solution
- DAF-FM diacetate is cell permeant and passively diffuses across cellular membranes; once inside the cell, it is converted to cell-impermeant for
- Buffers containing bovine serum albumin (BSA) and phenol red may affect fluorescence and should be used with caution
- Fluorescence quantum yield of DAF-FM is approx. 0.005, but increases about 160-fold, to ~0.81, after reacting with NO
- Assessment of NO production in transaldolase-deficient lymphoblasts by flow cytometry
- Detection of NO accumulation in embryonic cortical neurons following neurotrophin stimulation
- in vivo imaging of NO in zebrafish
- ntravital microscopic detection of NO generation associated with angiogenesis in mice
- Quantitation of ATP-induced NO release in rabbit platelets
- Spectra of the NO adduct of DAF-FM are independent of pH above pH 5.5
- NO adduct of DAF-FM is significantly more photostable than that of DAF-2, which means additional time for image capture
- DAF-FM is a more sensitive reagent for NO than is DAF-2 (NO detection limit for DAF-FM approx. 3nM versus approx. 5nM for DAF-2)
Refer to the Molecular Probes™ Handbook for additional product information.
Cell Analysis, Cell Metabolism, Cell Viability, Proliferation and Function, Nitric Oxide Research, Nitro-Oxidative Stress
|Free Radical Sensor|
For Research Use Only. Not for use in diagnostic procedures.