نتایج جستجو برای: polyacrylamide gel electrophoresis
تعداد نتایج: 121223 فیلتر نتایج به سال:
A simple and specific detection method for multiple forms of cystine aminopeptidase (oxytocinase-isoenzymes) in pregnancy serum is described using S-benzyl-L-nitroanilide as substrate. The relative distribution of both cystine aminopeptidase isoenzymes at different stages of pregnancy is given.
A hemolysin produced by a strain of Aeromonas hydrophila isolated from a patient with diarrhea was purified by acid precipitation and quarternary aminoethyl-Sephadex chromatography. The molecular weight of the hemolysin was estimated at 50,000 by sodium dodecyl sulfate-polyacrylamide gel electrophoresis and at 48,000 by Sephadex G-100 gel filtration. In polyacrylamide gel electrophoresis at pH ...
Spontaneous cleavage of the less abundant form of tobacco ringspot virus satellite RNA is readily reversible. Capitalizing on earlier observations by Feldstein and Bruening that small 'mini-monomer' RNAs derived from this molecule and containing little more than covalently attached ribozyme and substrate cleavage products are able to efficiently circularize, we have constructed a series of self...
Testosterone estradiol-binding globulin (rbTeBG) of rabbit plasma was purified to homogeneity by the sequential use of ammonium sulfate precipitation, affinity chromatography on 5a-dihydrotestosterone-Sepharose, reactive blue-Sepharose, and finally preparative polyacrylamide gel electrophoresis. An overall purification of greater than 3000-fold was achieved with a recovery of 32%. This purified...
Blue native polyacryamide gel electrophoresis is a special case of native electrophoresis for high resolution separation of enzymatically active protein complexes from tissue homogenates and cell fractions. The method is powerful between 10 and 10,000 kDa. Also membrane protein complexes are separated well after solubilization of complexes with mild neutral detergents. The separation principle ...
In this preliminary report, we describe a polyacrylamide gel electrophoresis technique for the resolution of isoenzyme patterns of four isolates of Entamoeba histolytica and one isolate of Entamoeba coli. Our findings were similar to previous findings for three enzyme systems: maleic enzyme (malate dehydrogenase [EC 1.1.1.40]), hexokinase (EC 2.7.1.1), and phosphoglucomutase (EC 2.7.5.1). We fo...
Chicken globin mRNA has been purified and partially characterized. Globin-specific sequences are found primarily as 9 S RNA, but also are found with ribosomal RNA, preferentially the 28 S moiety. The chicken globin mRNA preparation has been translated in the wheat germ and Krebs ascites cell-free systems. The products have been identified by sodium dodecyl sulfate-gel electrophoresis as the alp...
SWISS-2DPAGE is a database of proteins identified on two-dimensional polyacrylamide gel electrophoresis (2-D PAGE). The current release contains 343 entries of human, yeast (Saccharomyces cerevisiae) and Escherichia coli origin, as well as virtual entries for each of the protein sequences in the SWISS-PROT database.
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