Previous reports (Drescher, D. G., and Lee, K. S. (1978) Anal. Biochem. 84, 559-569; Lee, K. S., and Drescher, D. G. (1978) Int. J. Biochem. 9,457-467) have shown that high performance liquid chromatographic analysis of amino acids with the o-phthaldialdehyde/2mercaptoethanol reagent (OPA/P-ME) is one of the most sensitive procedures currently available for micro amino acid analysis. In the pre...

Zur mathematischen Behandlung multiplikativer Verteilungsverfahren. IV. Die Gewinnung von exakten Formeln mit Hilfe von Methoden der linearen Algebra. W. B ö r sc h S u p a n .......................56 Octadecylamin als Absorptionsmittel von C180 2 . G. E hrensvärd ..............................................(N) 607 Uber eine neue, einfache Arbeitstechnik zur Hand­ habung der Silane und andere...

Based on the new findings in a recent experimental study (Lee et al., Nature 467, 82-86, 2010) that antibiotic resistant mutants of bacteria produce indoles to protect the wild strain bacteria, we propose a mathematical model to describe the evolution of the wild strain, resistant strain and indoles with limited nutrient. We distinguish two cases: (i) mutation is negligible and a resistant stra...

We report on the construction of a full-length cDNA clone, pBRM33, derived from wild-type rubella virus M33 strain. The RNA transcripts synthesized in vitro from pBRM33 are highly infectious, and the viruses produced retain the phenotypic characteristics of the parental M33 virus in growth rate and plaque size. This cDNA clone was used to study the role of E1 transmembrane and cytoplasmic domai...

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