The following three issues concerning the backbone dihedral angles of protein structures are presented. (1) How do the dihedral angles of the 20 amino acids depend on the identity and conformation of their nearest residues? (2) To what extent are the native dihedral angles determined by local (dihedral) potentials? (3) How to build a knowledge-based potential for a residue's dihedral angles, co...

beta(2)-Glycoprotein I (beta(2)GPI) is a highly glycosylated phospholipid-binding plasma protein comprised of four complement control protein (CCP) domains and a distinct fifth domain. The structural organisation of human and bovine beta(2)GPI in aqueous solution was studied by small-angle X-ray scattering (SAXS). Low-resolution models that match the SAXS experimental data best were independent...

in this paper the effects of transmittance, dispersion angle and diffusion length on the quantum efficiency of solar cells (qesc) have been simulated and investigated. optical path technic is used for simulation. the results show that base thickness, diffusion length, dispersion angle, number of optical confinement path and transmission angles have an extremely effects on the qesc. simulation r...

Although surgery remains the definitive treatment for congenital and other childhood glaucomas, medical therapy can be effective in lowering intraocular pressure as a temporizing measure before surgery or as long-term adjunctive treatment in disease refractory to surgical measures. Carbonic anhydrase inhibitors, beta-blockers, cholinergic drugs, and the prostaglandin-related drugs all play an e...

Determination of the 3D structures of multidomain proteins by solution NMR methods presents a number of unique challenges related to their larger molecular size and the usual scarcity of constraints at the interdomain interface, often resulting in a decrease in structural accuracy. In this respect, experimental information from small-angle scattering of X-ray radiation in solution (SAXS) presen...

We report a study of quantum oscillations (QO) in the magnetic torque nodal-line Dirac semimetal $\mathrm{ZrSiS}$ fields up to 35 T and temperature range from 40 K down 2 K, enabling high resolution mapping Fermi surface (FS) topology ${k}_{z}=\ensuremath{\pi}$ (Z-R-A) plane first Brillouin zone (FBZ). It is found that oscillatory part measured signal consists low frequency (LF) contributions (...

The structure of the O-specific side chain of the lipopolysaccharide (LPS) of Plesiomonas shigelloides, strain CNCTC 113/92 has been investigated by NMR spectroscopy, matrix-assisted laser desorption/ionization time of flight mass spectrometry and sugar and methylation analysis. It was concluded that the polysaccharide is composed of a hexasaccharide repeating unit with the following structure:...

We examine the constraints on the MNS lepton mixing matrix from the present and future experimental data of the neutrino oscillation, tritium beta decay, and neutrinoless double beta decay for Majorana neutrinos. We show that the small mixing angle solutions for solar neutrino problem are disfavored for small averaged mass (〈mν〉) of neutrinoless double beta decay (≤ 0.01 eV) in the inverse neut...

At the LHC, the effect of unavoidable long-range beam–beam collisions reduces the dynamic aperture, calling for a minimum crossing angle. A wire compensator partially cancels the effect of the long-range collisions, and may allow operation with reduced crossing angle or decreased beta function at the interaction point, thereby increasing the (virtual) peak luminosity. In this chapter, we descri...

In 2007 DA!NE was upgraded to operate in a regime of large Piwinski angle, with a novel interaction region optics, reduced vertical beta at the interaction point, and additional sextupoles providing for Crab-Waist collisions. The specific luminosity has been boosted by more than a factor of four at low currents, and the present peak luminosity is by about a factor of 3 higher than the maximum v...