Separation and Characterization of Biomolecules Based on Macroscopic Properties

  • Peter R. Bergethon


In Chapter 2 the importance of identifying the components in a system was introduced. A component may be distinguished because of certain characteristic properties that allow them to be separated from each other and then uniquely identified. Among the most useful macroscopic properties of a specific element within a system are its characteristic motions when subjected to either a constant or an accelerating force field. This often allows both separation and concurrent characterization. There are a variety of motions that are commonly encountered in biophysical separations. We will briefly describe several of these; first motion affected by normal, frictional, buoyant, and drag forces and then methods of inducing motion by means of applying acceleration forces.


Drag Force Magnetic Force Buoyant Force Intrinsic Viscosity Terminal Velocity 
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Copyright information

© Springer Science+Business Media, LLC 2010

Authors and Affiliations

  1. 1.Departments of Anatomy & Neurobiology and BiochemistryBoston University School of MedicineBostonUSA

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