Topic
Polyacrylamide gel electrophoresis
About: Polyacrylamide gel electrophoresis is a research topic. Over the lifetime, 17408 publications have been published within this topic receiving 693367 citations. The topic is also known as: PAGE.
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TL;DR: The results show that the polyacrylamide gel electrophoresis method can be used with great confidence to determine the molecular weights of polypeptide chains for a wide variety of proteins.
19,381 citations
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TL;DR: This technique provides a method for estimation of the number of proteins made by any biological system and can resolve proteins differing in a single charge and consequently can be used in the analysis of in vivo modifications resulting in a change in charge.
18,633 citations
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TL;DR: A discontinuous sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) system for the separation of proteins in the range from 1 to 100 kDa is described, and the omission of glycine and urea prevents disturbances which might occur in the course of subsequent amino acid sequencing.
11,290 citations
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TL;DR: A simple method for detecting 3H in polyacrylamide gels by scintillation autography (fluorography) using X-ray film, which is ten times more sensitive than conventional autoradiography of isotopes with higher emission energies.
Abstract: A simple method is described for detecting 3H in polyacrylamide gels by scintillation autography (fluorography) using X-ray film. The gel is dehydrated in dimethyl sulphoxide, soaked in a solution of 2,5-diphenyloxazole (PPO) in dimethylsulphoxide, dried and exposed to RP Royal “X-Omat” film at -70 °C. Optimal conditions for each step are described. β-particles from 3H interact with the 2,5-diphenyloxazole emitting light which causes local blackening of an X-ray film. The image produced resembles that obtained by conventional autoradiography of isotopes with higher emission energies such as 14C. 3000 dis. 3H/min in a band in a gel can be detected in a 24-h exposure. Similarly 500 dis./min can be detected in one week.
When applied to the detection of 35S and 14C in polyacrylamide gels, this method is ten times more sensitive than conventional autoradiography. 130 dis. 35S or 14C/min in a band in a gel can be detected in 24 h.
8,114 citations
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TL;DR: A rapid and convenient method for peptide mapping of proteins has been developed that involves partial enzymatic proteolysis in the presence of sodium dodecyl sulfate and analysis of the cleavage products by polyacrylamide gel electrophoresis.
4,933 citations