Synthesis, Crystal Structure, and Electrical and Magnetic Characterizations of the Monoclinic Compounds LnMoSiO (Ln = La, Ce, Pr, and Nd; = 0 and 0.35) Containing Mo Clusters and Mo Dimers.

Powder samples of the new monoclinic compounds LnMoSiO (Ln = La, Ce, Pr, and Nd) and single crystals of PrMoSiO were obtained by the solid-state reaction. The crystal structure of PrMoSiO was determined by single-crystal X-ray diffraction. PrMoSiO crystallizes in the monoclinic space group 2/ with unit-cell parameters = 5.

LiMoO: Polar Crystal Structure with Infinite Edge-Sharing Molybdenum Octahedra.

Polycrystalline LiMoO was prepared in a sealed Mo crucible at 1380 °C for 48 h using the conventional high-temperature solid-state method. The polar tetragonal crystal structure (space group 4) is confirmed based on the Rietveld refinement of powder neutron diffraction and Li/Li solid-state NMR. The crystal structure features infinite chains of MoO (i.

MMP-9 Processing of Intestinal Smooth Muscle-derived GDNF is Required for Neurotrophic Action on Enteric Neurons.

The neurotrophin GDNF guides development of the enteric nervous system (ENS) in embryogenesis and directs survival and axon outgrowth in postnatal myenteric neurons in vitro. GDNF expression in intestinal smooth muscle cells is dynamic, with upregulation by inflammatory cytokines in vitro or intestinal inflammation in vivo, but the role of post-translational proteolytic cleavage is undefined. In a co-culture model of myenteric neurons, smooth muscle and glia, inhibition of serine or cysteine protease activity was ineffective against the >2-fold increase in axon density caused by TNFα.

Synthesis, Crystal and Electronic Structures, and Electrical Properties of the Fifth Member of the Rb(MoS)(MoS) Series: RbMoS, an Atypical Reduced Molybdenum Sulfide Containing Mo and Mo Clusters.

The new compound RbMoS has been synthesized as single crystals by a solid-state reaction in a sealed molybdenum crucible at 1500 °C. It constitutes the fifth member of the homologous series of the trigonal (space group 3̅) compounds Rb(MoS)(MoS). Consequently, its crystal structure is based on an equal mixture of MoS and MoS cluster units interlinked through Mo-S bonds with the Rb cations localized in the voids between the MoS and MoS units.

Electronic Band Structure and Transport Properties of the Cluster Compound AgTlMoSe.

Mo-based cluster compounds are a large class of materials with complex crystal structures that give rise to very low lattice thermal conductivity. Here, we report on the crystal structure and transport property measurements (5-800 K) of the novel Tl-filled compound AgTlMoSe. This compound adopts a crystal structure described in the rhombohedral R3 c space group [ a = 9.