3-hexanoyl-NBD Cholesterol (Synonyms: 3C6NBD Cholesterol) |
| Catalog No.GC42273 |
3-hexanoyl-NBD cholesterol is a fluorescently-tagged cholesterol derivative with the hydrophilic NBD fluorophore attached to carbon 3, at the hydrophilic end of cholesterol, separated by a 6-carbon spacer.
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Cas No.: 201731-19-3
Sample solution is provided at 25 µL, 10mM.
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3-hexanoyl-NBD cholesterol is a fluorescently-tagged cholesterol derivative with the hydrophilic NBD fluorophore attached to carbon 3, at the hydrophilic end of cholesterol, separated by a 6-carbon spacer. This design allows the cholesterol to properly orient in membrane bilayers while the fluorescent tag is presented outside of the bilayer. This should model the behavior of cholesterol in membranes better than the previously-used 25-NBD cholesterol, which positions NBD directly on the 25th carbon of cholesterol at the hydrophobic terminus. 3-hexanoyl-NBD cholesterol has excitation/emission maxima of 473/536 nm, respectively, in vesicles comprised of dioleolylphosphatidylcholine (DOPC), however, the maxima will vary depending on membrane composition. NBD has excitation/emission maxima of 465/535 nm, respectively. Fluorescently-tagged lipids have been used to study their interactions with proteins, their utilization by cells and liposomes, and for the development of assays for lipid metabolism.
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