منابع مشابه
Capsule chemistry technology for high-speed clinical chemistry analyses.
We describe a new analytical approach--"capsule chemistry"--for high-speed, selective analysis of a wide variety of analytes. Sequential micro-aliquots of sample and reagents are encapsulated within an inert fluorocarbon liquid. The resulting "test capsule" is introduced into a single analytical flow path, composed of a solid fluorocarbon, Teflon, where the sample is incubated, mixed, reacted, ...
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Introduction: Aspergillus fumigatus is the leading cause of invasive aspergillosis in immunocompromised patients with a high rate of mortality. Despite introduction of several classes of antifungal drugs, the limitations of current therapies have prompted an intense research toward the discovery of new antifungal compounds. In a recent study, several potential drug targets were identified based...
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Encapsulation, invented in 1953 by B.K. Green & L. Schleicher employed in the laboratories of the National Cash Register Company, Dayton, USA, is defned as a technology of packaging solids, liquids, or gaseous materials in miniature, sealed capsules that can release their contents at controlled rates under specifc conditions. Encapsulation involves the incorporation of ...
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Significant psychological changes in extremely cold regions are considered as natural human reactions. Antarctica has very cold conditions and is considered a natural laboratory for many studies in various fields. Survival, in this harsh environment, is unmanageable without human preconditions; Antarctica with a focus on resilience and psychological adjustment, an opportunity for the individual...
متن کاملChemistry and Biosynthesis of the Poly(y-wglutamyl) Capsule in Bacillus licheniformis
A cell envelope particulate fraction from an encapsulated strain of Bacillus licheniformis ATCC 9945A contains a polygldamyl synthetase which catalyzes the polymerization of L-glutamic acid to form a high molecular weight polymer of y-D-glutamic acid. The reaction, which is specific for L-glutamic acid, requires ATP and Mg2f ion and is stimulated by K+ ion and dithiothreitol. A nearly Z-fold in...
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ژورنال
عنوان ژورنال: Science
سال: 2006
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.313.5788.735d