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Isolation of nonacosan-10-ol: The extract, after being digested with methanol and concentrated into a small volume, was chromatographed over silica gel with hexane to isolate a crystalline substance. The crystalline substance was recrystallized from hexane: mp 83 -84 ° , [a]D ± 0 ° , C29H60O (M® ion m/e 424; found: C 81.84%, H 14.30%; calc.: C 81,99%, H 14.24%). Acetylation of nonacosan-10-ol: ...
Three laboratories participated with their laboratory-specific microbiologic growth assays (MA) in the NHANES 2007-2008 to assess whether the distributions of serum (n = 2645) and RBC folate (n = 2613) for the same one-third sample of participants were comparable among laboratories. Laboratory (L) 2 produced the highest and L1 the lowest serum and RBC folate geometric means (nmol/L) in the NHAN...
Abstract This article discusses community formation at a neighbourhood level from material-spatial perspective. It argues that wholesome, safe, ‘good’ living environment required both social harmony and well-functioning material (infra-) structures. Neighbours’ conflicts, mined the court records of five cities in late medieval Low Countries, provide evidence for two main themes. The first conce...
The objective of this study was to demonstrate the causes, optimal definition, and predictive value of exercise-induced hypotension occurring during treadmill testing. This study included all patients referred for clinical reasons to the Long Beach Veterans Administration Medical Center treadmill laboratory and then followed for a 2-year period for cardiac events. The population consisted of 2,...
Introduction/Background Triple-negative breast cancer (TNBC) is defined by the absence of estrogen and progesterone receptor expression HER2 overexpression or amplification. Epidemiologic clinical features are distinct from other subtypes, including younger age at diagnosis, higher risk relapse despite increased chemosensitivity, incidence lung brain metastases.Indeed, TNBC has patholo...
Quasi−square wave resonant converters also known as Quasi−Resonant (QR) converter are widely used in the adaptor market. They allow designing flyback Switched−Mode Power Supply (SMPS) with reduced Electro−Magnetic Interference (EMI) signature and improved efficiency. However, as the switching frequency of QR converter increases as the load decreases, the frequency must be limited. In traditiona...
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