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Determination of thyrotropin (TSH) by sensitive immunometric assays is currently judged as the most sensitive and also most cost-effective first-line approach to thyroid function testing. Further improvement of assay sensitivity has led to the description of third generation TSH assays with a functional sensitivity in the range of 0.01 to 0.02 mU/l. In the(More)
Methanothermobacter thermautotrophicus strain ΔH is a model hydrogenotrophic methanogen, for which extensive biochemical information, including the complete genome sequence, is available. Nevertheless, at the cell membrane lipid level, little is known about the responses of this archaeon to environmental stimuli. In this study, the lipid composition of M.(More)
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