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zeolite molecular sieves — are crystalline, highly porous materials, which belong to the class of alumino silicates. These crystals are characterized by a three dimensional pore system, with pores of precisely defined diameter. This diameter is in the dimension of the size … Petroleum refining glossary
Constrictivity — is a dimensionless parameter used to describe transport processes (often molecular diffusion) in porous media. Constrictivity is viewed to depend on the ratio of the diameter of the diffusing particle to the pore diameter. The value of… … Wikipedia
Konstriktivität — (eng.: constrictivity, v. lat.: constringere „festschnüren, fesseln, lahmlegen“) ist eine dimensionslose geometrische Größe (Formelzeichen: δ), die den Widerstand enger Poren gegen Transportprozesse wie Diffusion beschreibt. Sie ist abhängig vom… … Deutsch Wikipedia
polyacrylamide gel electrophoresis — (= PAGE) Analytical and separative technique in which molecules, particularly proteins, are separated by their different electrophoretic mobilities in a hydrated gel. The gel suppresses convective mixing of the fluid phase through which the… … Dictionary of molecular biology
Gel electrophoresis — apparatus – An agarose gel is placed in this buffer filled box and electrical field is applied via the power supply to the rear. The negative terminal is at the far end (black wire), so DNA migrates toward the camera. Classification… … Wikipedia
separation and purification — ▪ chemistry Introduction in chemistry, separation of a substance into its components and the removal of impurities. There are a large number of important applications in fields such as medicine and manufacturing. General principles… … Universalium
Cytosol — The cytosol is a crowded solution of many different types of molecules that fills much of the volume of cells.[1] The cytosol or intracellular fluid (or cytoplasmic matrix) is the liquid found inside cells, that is separated into compartments by… … Wikipedia
cereal processing — Introduction treatment of cereals (cereal) and other plants to prepare their starch for human food, animal feed, or industrial use. Nutrient composition of selected raw cereal grains (per 100 grams)Cereals, or grains, are members of… … Universalium
SDS-PAGE — PAGE redirects here. For other uses, see Page (disambiguation). Picture of an SDS PAGE. The molecular marker is in the left lane SDS PAGE, sodium dodecyl sulfate polyacrylamide gel electrophoresis, describes a collection of related techniques… … Wikipedia
Sucrose — Sucrose … Wikipedia
George B. Johnson — Dr George B. Johnson (born 11 June 1942, [Dr. George Johnson s CV (1998 2004). Retrieved August 02, 2006, from txt Writer: http://www.txtwriter.com/George/Georgecv.html] Newport News, Virginia) is a science writer who wrote the weekly column On… … Wikipedia