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A factor which eliminated nonspecific transcription of cloned rat rDNA was extensively purified from rat mammary adenocarcinoma… Expand Group A streptococci are model extracellular gram-positive pathogens responsible for pharyngitis, impetigo, rheumatic fever, and… Expand Occludin is the only known integral membrane protein localizing at tight junctions (TJ), but recent targeted disruption analysis… Expand ion. The oxidative addition mechanism was originally proposed22i because of the lack of a strong rate dependence on polar factors… Expand A potent, synthetic cannabinoid was radiolabeled and used to characterize and precisely localize cannabinoid receptors in slide… Expand One of the obstacles encountered when extracting DNA from a large number of samples is the cumbersome method of deprotein-izing… Expand We have devised a simple and efficient cDNA cloning strategy that overcomes many of the difficulties encountered in obtaining… Expand We describe a technique for transferring electrophoretically separated bands of RNA from an agarose gel to paper strips. The RNA… Expand The Lowry protein assay is a sensitive but highly nonspecific procedure. The standard Lowry protein assay has been modified so… Expand Abstract A new method for the quantitive determination of sialic acids is described. Optimal conditions for the colour formation… Expand