The diffusion-limited binding kinetics of antigen (or antibody) in solution to antibody (or antigen) immobilized on a biosensor surface is analyzed within a fractal framework. The fit obtained by a dual-fractal analysis is compared with that obtained from a single-fractal analysis. In some cases, th
Fractal Analysis of Antigen–Antibody Binding Kinetics: Membrane Chromatography Applications
✍ Scribed by Catherine Charcosset
- Publisher
- Elsevier Science
- Year
- 1998
- Tongue
- English
- Weight
- 77 KB
- Volume
- 203
- Category
- Article
- ISSN
- 0021-9797
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✦ Synopsis
NOTE
Fractal Analysis of Antigen-Antibody Binding Kinetics: Membrane Chromatography Applications THEORY Fractal analysis provides novel physical insights into diffusion-limited reactions occurring at interfaces. In this paper, we Fractals analyze the fractal dimension D f values for the kinetics of the Fractals and the concept of fractal dimension have recently received binding of g-globulin molecules to immobilized protein A on considerable attention owing to their applicability to a wide range of various supports ( Unarska, M., et al., J. Chromatgr. 519, 53 phenomena. Fractals describe objects that are symmetric with respect ( 1990 ) ) . Fractal analysis data seem to indicate that Sepharose to a transformation of scales. Such objects have a recurring consistency beads ( D f Å 2.22 ) increase the ''ruggedness'' or inhomogeneity which can be observed at various levels of magnification. Fractal ob- of surfaces compared to microporous membranes ( D f Å 1.29 ) jects are described by a power law which relates the characteristic for chromatography applications. ᭧ 1998 Academic Press property of an object to a unit of measure by means of an exponent D f , where
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The diffusion-limited binding kinetics of antigen (analyte) in solution to antibody (receptor) immobilized on a biosensor surface is analyzed within a fractal framework. Most of the data presented are adequately described by a single-fractal analysis. This was indicated by the regression analysis pr
antigens) in a solution. The binding of an antigen to an The diffusion-limited kinetics of binding of an analyte in soluantibody-coated surface (or vice versa) is sensed directly tion to a receptor immobilized on a biosensor surface is analyzed and rapidly. There is a need to characterize the reacti
The diffusion-limited binding kinetics of analyte in solution to either a receptor immobilized on a surface or to a receptorless surface is analyzed within a fractal framework for a surface plasmon resonance biosensor. The data is adequately described by a single-or a dual-fractal analysis. Initiall
A fractal analysis is presented for (a) analyte-receptor binding and dissociation kinetics and (b) dissociation kinetics alone for biosensor applications. Emphasis is placed on dissociation kinetics. Data taken from the literature may be modeled, in the case of binding, using a single-fractal analys