AC electrokinetics : colloids and nanoparticles - download pdf or read online

By Hywel Morgan, Nicolas G. Green

ISBN-10: 0585489491

ISBN-13: 9780585489490

Biologists, physicists and engineers are operating jointly to make ever-smaller units able to learning the homes of tiny organic debris. utilizing nano-electrodes, encapsulated in a tool with dimensions of some hundred millionths of a meter, it truly is now attainable to control and catch unmarried nano-scale organic debris corresponding to a pandemic. The accurately managed electrical fields generated in the gadget can be utilized to capture unmarried debris in field-cages or separate varied viruses from one another, for instance.

This e-book is an advent to the technological know-how in the back of the recent expertise, and explains how the electrical box interacts with the debris. It describes how those micro-systems are synthetic and the way they're used to check houses of the debris. The authors provide a accomplished therapy of the underlying rules and governing conception for the AC electrokinetic habit of debris, evaluation the present cutting-edge in AC electrokinetic manipulation and characterization of debris, and supply chapters on simulation, equipment layout and fabrication.

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Numerical estimation in a theory of interfacial polarization developed for dipserse systems in higher concentration Bull. Inst. Chem. Res. Kyoto Univ. 54 248-254 (1976). , Asami K. and Koizumi N. Dielectric theory of concentrated suspensions of shell-spheres in particular reference to the analysis of biological cell suspensions Bull. Inst. Chem. , Kyoto Univ. 57 297-305 (1979). , Pethig R. and Wang X-B. Differences in the AC electrodynamics of viable and non-viable yeast cells determined through combined dielectrophoresis and electrorotation studies.

D. B. Electro-orientation of ellipsoidal erythrocytes: Theory and experiment Biophys. J. 64 1588-1595 (1993). Pethig R. Dielectric and electronic properties of biological materials John Wiley & Sons Chichester (1979). , Saito M. P. On the orientation of non-spherical particles in an alternating electric field J. Chem. Phys. 43 3562-3569 (1965). A. Electromagnetic theory McGraw-Hill, New York (1941). Takashima S. Electrical Properties of Biopolymers and Membranes Adam Hilger, Philadelphia (1989).

4. Returning to the definition of the polarisation P, it can be seen that in reality, both conduction currents and displacement currents flow. 7 Energy in a dielectric In a lossy dielectric the total current is given by the sum of J c = σ E and J d = iωε E . 35) where δ is the angle between the conduction and displacement currents, referred to as the loss angle. In a perfectly insulating (non-lossy) dielectric, the loss angle is zero. If the complex permittivity is written as ε% = ε ′ − iε ′′ , the loss angle can also be written as tanδ = ε ′′ / ε ′ .

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AC electrokinetics : colloids and nanoparticles by Hywel Morgan, Nicolas G. Green

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