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1993 / ȣ: V.5,no.3,Sept |
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ڿ ȣۿ ؼ ( I ) -ϼװ迡 Poly(vinyl pyrrolidone) Methylene Blue ȣۿ- |
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Interaction Analysis of Small Molecules with Polymers( I ) - Interaction between Poly(vinyl pyrrolidone) and Methylene Blue in Homogeneous Systems |
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182 ~ 187 : 6 |
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The binding isotherms of Methylene Blue with Poly(vinyl pyrrolidone) (PVP) were determined in a Mcllvaine buffer of pH 8.0 at 3 by a dynamic dialysis methods. The isotherms showed a partition binding which was increase linearly with the increase of free dye concentration in solution. The Scatchard plots for Poly(vinyl pyrrolidone)-Methylene Blue gave a constant value. The results were interpreted by the McGhee and von Hippel theory considering non-cooperative binding. The intrinsic binding constant k, for Poly(vinyl pyrrolidone)-Methylene Blue was 6.02/base mol.
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