نتایج جستجو برای: 25/15
تعداد نتایج: 114 فیلتر نتایج به سال:
The epithelial-to-mesenchymal transition (EMT) is a complex change in cell phenotype that is important for cell migration, morphogenesis and carcinoma metastasis. Loss of epithelial cell adhesion and tight regulation of cadherin adhesion proteins are crucial for EMT. Cells undergoing EMT often display cadherin switching, where they downregulate one cadherin and induce expression of another. How...
Molybdenum sulfide materials have been shown as promising non-precious catalysts for hydrogen evolution. This paper describes the study of the promotional effects of certain transition metal ions on the activity of amorphous MoS3 films. Ternary metal sulfide films, M–MoS3 (M 1⁄4Mn, Fe, Co, Ni, Cu, Zn), have been prepared by cyclic voltammetry of aqueous solutions containing MCl2 and (NH4)2[MoS4...
Sarah A. Tedder , Jeffrey L. Wheeler, and Paul M. Danehy Advanced Sensing and Optical Measurement Branch, NASA Langley Research Center, 18 Langley Boulevard, Hampton, Virginia 23681-2199, USA Department of Physics, The College of William & Mary, P.O. Box 8795, Williamsburg, Virginia, 23187-8795, USA Whitworth University, 300 W. Hawthorne Road, Spokane, Washington, 99251-2515, USA Corresponding ...
BACKGROUND This study aimed to describe the clinical, microbiological, molecular epidemiology and treatment of multidrug resistant tuberculosis (MDRTB) cases in the UK and to determine factors associated with survival. METHODS Ninety MDRTB cases were identified from 1 January 1996 to 30 June 1997; 69 were DNA fingerprinted. Date of diagnosis was determined and data were collated on key demogr...
Abstract Background and Aims Chronic kidney disease represents a world-wide health problem, affecting approximately 195 million women around the world. Risk of development chronic is greater in comparison to men. Method We retrospectively analysed cohort 1457 patients after transplantation from all transplant centres Slovakia over period ten years 2010 – 2020. Parameters taken into account were...
Aims. We present the first results of an ongoing project devoted to the search of giant radio halos in galaxy clusters located in the redshift range z=0.2–0.4. One of the main goals of our study is to measure the fraction of massive galaxy clusters in this redshift interval hosting a radio halo, and to constrain the expectations of the particle re–acceleration model for the origin of non–therma...
1 School of Life Sciences, Centre for Biomolecular Sciences, University of Nottingham, University Park, Nottingham, United Kingdom 2 Department of Biology & Biochemistry, University of Bath, Claverton Down, Bath, United Kingdom 3 Department of International Health, Immunology, and Microbiology, University of Copenhagen, Copenhagen, Denmark 4 Center for Nonlinear Dynamics and Department of Physi...
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