us4617359a high molecular weight polyacrylamide at germany

us4617359a high molecular weight polyacrylamide at germany
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  • Are polyacrylamide gels homogeneous?
  • Polyacrylamide gels have the great advantage of being almost completely homogeneous, and adsorption and electro-osmosis do not play a major role in the electrophoresis (see e.g. Maurer, 1971).
  • What is the shear modulus of polyacrylamide gels?
  • The shear modulus of polyacrylamide gels with a range of acrylamide (indicated as percents near data lines) to bis-acrylamide (indicated as cross-linker) proportions was measured. The shear modulus (G), expressed in Pascal, increases at constant polymer mass with increasing cross-linker.
  • What is polyacrylamide gel electrophoresis?
  • Polyacrylamide gel electrophoresis, in contrast, exploits differences both in molecular size and charge for purposes of fractionation, which in itself demonstrates its usefulness. Raymond and Weintraub (1959) were the first to recognise the applicability of polyacrylamide gels as a supporting medium for electrophoretic separations.
  • Who invented polyacrylamide gel?
  • Raymond and Weintraub (1959) were the first to recognise the applicability of polyacrylamide gels as a supporting medium for electrophoretic separations. The synthetic polymer, polyacrylamide, is simply produced by polymerising acrylamide with N,N′-methylene-bisacrylamide or ethylene diacrylate as the cross-linking component.