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3Â¥: Originally posted by sally208 at 2011-07-16 15:06:32
(F-F0)=(F-Fmax)/

Here, F and F0 are the fluorescence intensities of the drugs in the presence and absence of protein, respectively, Fmax is the maximum fluorescence intensity of protein-drug compl ...

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opq691(½ð±Ò+3): O(¡É_¡É)Oлл 2011-07-17 00:03:51
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(F-F0)=(F-Fmax)/[1+(KD/[protein])^n]

Here, F and F0 are the fluorescence intensities of the drugs in the presence and absence of protein, respectively, Fmax is the maximum fluorescence intensity of protein-drug complex, KD is the equilibrium dissociation coefficient that quantifies the strength of the protein-drug interaction, and n is the Hill coefficient, which is generally regarded as a measure of the association cooperativity.

Plot F versus [protein], and fit the plots with the above function. Then you will get the value of KD, n and Fmax. The binding constant is actually the reciprocal of KD.

ref: J. Chem. Soc., Faraday Trans. 1998, 94, 2083-2087
Nat. Nanotechnol. 2009, 4, 577-580

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3Â¥2011-07-16 15:06:32
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3Â¥: Originally posted by sally208 at 2011-07-16 15:06:32
(F-F0)=(F-Fmax)/

Here, F and F0 are the fluorescence intensities of the drugs in the presence and absence of protein, respectively, Fmax is the maximum fluorescence intensity of protein-drug compl ...

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¶øÇÒ£¬×÷ÕßÌáµ½£ºPlot F versus [protein], and fit the plots with the above function. Then you will get the value of KD, n and Fmax.
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