Electrophoretic light scattering with plural reference beams, ap

Details Electrophoretic light scattering with plural reference beams, ap Electrophoretic light scattering with plural reference beams, ap

1984-03-23

1987-03-10

Rosenberger, R. A.

Optics: measuring and testing

By electrophoresis

356343, G01N 2100

Patent

active

046487158

ABSTRACT:
Multichannel electrophoresis apparatus employing electrophoretic light scattering as a means for characterizing the particles under study. The apparatus is characterized by the ability to measure light scattered simultaneously using a plurality of local oscillators incident at different angles from the same population of particles being subjected to electrophoresis. The apparatus is used with data processing means to analyze the large amount of scattering data which provide information on electrophoretic mobility, particle size, particle charge, electrophoretic mobility, zeta potential. An important aspect of the new apparatus is a markedly improved capability to segregate data related to diffusion effects from data relating to heterogeneous effects.

REFERENCES:
patent: 3732014 (1973-05-01), Uzgiris
patent: 3766048 (1973-10-01), Flygare et al.
patent: 4397550 (1983-08-01), Matsuda et al.
McDonnell et al., "Multiple-Beam Laser Velocimeter: Analysis and Applicats", Applied Optics /vol. 19, No. 17/ Sep. 1, 1980, pp. 2934-2939.

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