The safe and effective management of radioactive waste has been given utmost importance from the very inception of nuclear industry in India and it covers the entire range of activities from handling, treatment, conditioning, transport, storage and finally disposal. Radioactive waste is generated at various stages of the nuclear fuel cycle, which includes the mining and milling of uranium ore, ...

The b2-adrenoceptor (b2AR) couples to the G-protein Gs to activate adenylyl cyclase. Intriguingly, several studies have demonstrated that the b2AR can also interact with G-proteins of the Giand Gq-family. To assess the efficiency of b2AR interaction with various G-protein a-subunits (Gxa), we expressed fusion proteins of the b2AR with the long (GsaL) and short (GsaS) splice variants of Gsa, the...

Since its inception over 35 years ago, Rietveld refinement (Rietveld, 1969) has come a long way. In the beginning, the aim was to carry out crystal-structure refinement using neutron diffraction. As its primary purpose was refinement of the perfect crystal structures of polycrystalline samples, there was a need to introduce corrections to peak intensities and positions, as calculated for a perf...

The arrival of spring comes with some exciting new changes to the Policy Studies Journal, including addition multiple members our editorial team. We hope you will join us in welcoming board Dr. Amber Boydstun (UC-Davis, USA), Carla Flink (American University, Laura Jensen (Virginia Tech, and Robin Lemaire USA) as they begin making what we know be significant contributions continual improvement ...

The discovery of superconductivity in LaFeAsO1−xFx has stimulated substantial interest in iron-based high-temperature superconductors (Fe-HTSs). Until now, several Fe-HTSs were discovered. They can be divided into two classes. The first class is iron pnictide materials.1−3 They contain two-dimensional FePn (Pn = pnictogens) tetrahedron layers and atomic sheets (e.g., Ba, K) or complex blocks [e...

The aim of our study was to examine the effects of different purine nucleotides [GTP, ITP, and xanthosine 59-triphosphate (XTP)] on receptor/G protein coupling. As a model system, we used a fusion protein of the b2-adrenergic receptor and the a subunit of the G protein Gs. GTP was more potent and efficient than ITP and XTP at inhibiting ternary complex formation and supporting adenylyl cyclase ...

The crystal structures of natural F-bearing chondrodite [Mg4.64Fe0.28Mn0.014Ti0.023(Si1.01O4)2 F1.02OH0.97] from the Tilley Foster mine (Brewster, New York), F-bearing titanian clinohumite [Mg8.805Fe0.006Ti0.214(Si0.993O4)4F0.484OH0.516] from Kukh-i-Lal (Tadjikistan) and F-free titanian hydroxylclinohumite [Mg7.378Fe1.12Mn0.052Ni0.014Ti0.453(Si0.996O4)4OH1.0] from Val Malenco (Italy) were refin...

The design and delivery of effective digitization for formative and summative assessments that are suitable for computer-based exam delivery remains an open problem across engineering curricula. Engineering-specific exam digitization challenges include the need to adequately evaluate design skills, solution structure, intermediate work, creativity, conceptual understanding, and in many cases, r...

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