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Boris Derjaguin print that page

Professor Boris Vladimirovich Derjaguin (or Deryagin ) (August 9, 1902, Moscow – May 16, 1994) was one of the renowned Soviet / Russian chemists of the twentieth century. As a member of the Russian Academy of Sciences he laid the foundation of the modern science of colloids and surfaces

wikipedia.org | 2011/5/10 12:16:56

Colloid print that page

Milk

A colloid is a substance microscopically dispersed evenly throughout another substance. [ 1 ] A colloidal system consists of two separate phases: a dispersed phase (or internal phase ) and a continuous phase (or dispersion medium ). A colloidal system may be solid , liquid , or gaseous

History of nanotechnology print that page

Feynman_at_Los_Alamos

The history of nanotechnology traces the development of the concepts and experimental work falling under the broad category of nanotechnology . Although nanotechnology is a relatively recent development in scientific research, the development of its central concepts happened over a longer

Polywater print that page

lower freezing point , and much higher viscosity than ordinary water, about that of a syrup. Boris Derjaguin , director of the laboratory for surface physics at the Institute for Physical Chemistry in Moscow , heard about Fedyakin's experiments. He improved on the method to produce the

wikipedia.org | 2011/10/4 14:03:09

Disjoining pressure print that page

The concept of disjoining pressure has been introduced by Derjaguin (1936) as the difference between the pressure in a region of a phase adjacent to a surface confining it, and the pressure in the bulk of this phase [ 2 ] . [ edit ] Description Disjoining pressure can be expressed as

wikipedia.org | 2010/9/25 12:05:04

Double layer (interfacial) print that page

A double layer ( DL , also called an electrical double layer , EDL ) is a structure that appears on the surface of an object when it is placed into a liquid. The object might be a solid particle, a gas bubble, a liquid droplet , or a porous body . The DL refers to two parallel layers of charge

wikipedia.org | 2011/3/17 16:02:13

Electrophoresis print that page

Electrophoresis_equipment

The dispersed particles have an electric surface charge , on which an external electric field exerts an electrostatic Coulomb force . According to the double layer theory, all surface charges in fluids are screened by a diffuse layer of ions, which has the same absolute charge but opposite

Sedimentation potential print that page

Hunter, R.J. "Foundations of Colloid Science", Oxford University Press, 1989 ^ Dukhin, S.S. & Derjaguin , B.V. "Electrokinetic Phenomena", J.Willey and Sons, 1974 ^ Russel, W.B., Saville, D.A. and Schowalter, W.R. “Colloidal Dispersions”, Cambridge University Press,1989 ^ Kruyt, H

wikipedia.org | 2010/9/25 1:02:46

Particle size print that page

Hunter, R.J. "Foundations of Colloid Science", Oxford University Press, 1989 ^ Dukhin, S.S. & Derjaguin , B.V. "Electrokinetic Phenomena", J.Willey and Sons, 1974 ^ Russel, W.B., Saville, D.A. and Schowalter, W.R. “Colloidal Dispersions”, Cambridge University Press,1989 ^ Kruyt, H

wikipedia.org | 2011/5/6 12:43:41

Electrokinetic phenomena print that page

Hunter, R.J. (1989) Foundations of Colloid Science , Oxford University Press. ^ Dukhin, S.S. and Derjaguin , B.V. (1974) Electrokinetic Phenomena , J. Willey and Sons. ^ Russel, W.B., Saville, D.A., and Schowalter, W.R. (1989) Colloidal Dispersions , Cambridge University Press. ^ Kruyt

wikipedia.org | 2010/9/24 23:14:50