You have prepared 10 ?m diameter polystyrene microparticles densely coated with

Question

You have prepared 10 ?m diameter polystyrene microparticles densely coated with casein (milk protein), whose isoelectric point, p1 = 4.6. The coated particles are dissolved in pure water at pH 7 to form a stabilized suspension. Particle Casein (a) (6) Describe the mechanism by which the microparticle solution is stabilized. (b) (8) Now your boss wants you to quickly recover the particles from solution by somehow causing them to aggregate and precipitate, after which they can be filtered. Without changing the solvent, describe two different methods you could use to destabilize the system.

Explanation / Answer

caesin the major milk protein used as daily diet in the many parts of the world.

caesin comparises about 90% protein,and molecular compounds 6%

1)modification

2)conugation

3)further modification and excretion

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