There is an abundance of structural molecular descriptors of various forms that have been proposed and tested over the years. Very often different descriptors represent, more or less, the same aspects of molecular structures and, thus, they have diminished discriminating power for the identification of different structural features that might contribute to the molecular property, or activity of...

Very high resolution (R ∼ 160000) absorption line measurements of the interstellar Ca ii K and Na i D lines and medium resolution (R ∼ 50000) measurements of the interstellar Ti ii (3384 Å) line towards three Galactic halo stars are presented. The data have signal-to-noise ratios of ∼ 90–240. The sightlines studied clearly show several intermediate-high velocity interstellar clouds with local s...

A direct measurement of the extragalactic background light (EBL) can provide important constraints on the integrated cosmological history of star formation, metal and dust production, and the conversion of starlight into infrared emission by dust. In this paper we examine the cosmological implications of the recent detection of the EBL in the 125 to 5000 μm wavelength region by the Diffuse Infr...

Abstract Strike-slip faults are widely developed throughout the Central Asian Orogenic Belt (CAOB), one of largest Phanerozoic accretionary orogenic collages in world, and may have played a key role its evolution. Recent studies shown that large number Late Paleozoic–Early Mesozoic ductile shear zones along southern CAOB. This study reports discovery NW–SE striking, approximately 500 km long up...

Forward osmosis (FO) requires a specific membrane structure for applications like juice concentration. The phase inversion method was used to make cellulose acetate (CA) FO membranes. solvents were acetone and 1,4-dioxane. Additives included polyvinylpyrrolidone (PVP), methanol, maleic acid in the preparation of CA membrane, which it easier improve membrane's permeability. performance fabricate...

Two-pore channels (TPCs) localize to the endolysosomal system and have recently emerged as targets for the Ca(2+)-mobilizing messenger, nicotinic acid adenine dinucleotide phosphate (NAADP). However, their membrane topology is unknown. Using fluorescence protease protection assays, we show that human TPC1 and TPC2 possess cytosolic N and C termini and therefore an even number of transmembrane r...

Yeoman, M. S., B. L. Brezden, and P. R. Benjamin. LVA and HVA Ca currents in ventricular muscle cells of the Lymnaea heart. J. Neurophysiol. 82: 2428–2440, 1999. The single-electrode voltageclamp technique was used to characterize voltage-gated Ca currents in dissociated Lymnaea heart ventricular cells. In the presence of 30 mM tetraethylammonium (TEA), two distinct Ca currents could be identif...