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The structure of the free lipid A from Rhodomicrobium vannielii ATCC 17100 was elucidated. It consists of a central beta-1',6-linked glucosamine disaccharide which is not substituted by phosphate. About 30% of the disaccharide molecules are substituted with mannopyranose in beta-1,4'-linkage to the non-reducing glucosamine. The reducing glucosamine can be(More)
Methods for evaluating a single diagnostic test with reference to the disease prevalence in a given population include sensitivity, specificity, positive predictive value, negative predictive value, and accuracy. Patient disease status and, ultimately, the treatment course is determined by the outcome of these diagnostics. The advantage of ordering a single(More)
The lipopolysaccharides of Rhodopseudomonas capsulata strains St. Louis (ATCC 23782) and Sp 11 both contain L-acofriose, rhamnose, glucose and glucosamine as the main sugar constituents. 2-Keto-3-deoxyoctonate and neuraminic acid were tentatively identified. The fatty acid spectrum found with both strains comprises 3-OH-C10 and C12:1 (ester-linked) and(More)
In recent literature the truncated normal distribution has been used to model the stochastic structure for variety of random structures. In this paper the sensitivity of the t-random variable under a left truncated normal population is explored. Simulation results are used to assess the errors associated with estimating the reliabilities, over a range of(More)
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