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作者:Hristina I. Sbirkova-Dimitrova , Boris Shivachev
来源:[J].Acta Crystallogr F Struct Biol Commun, 2017, Vol.73 (Pt 9), pp.500-504IUCr
摘要:The structure of 4′,6-diamidine-2-phenylindole (DAPI) bound to the synthetic B-DNA oligonucleotide d(CGTGAATTCACG) has been solved in space group P2 1 2 1 2 1 by single-crystal X-ray diffraction at a resolution of 2.2 Å. The structure is nearly isomorphous...
作者:Kazunori D. Yamada , Naoki Kunishima , Yoshinori Matsuura ...
来源:[J].Acta Crystallogr D Struct Biol, 2017, Vol.73 (Pt 9), pp.757-766IUCr
摘要:An alternative rational approach to improve protein crystals by using single-site mutation of surface residues is proposed based on the results of a statistical analysis using a compiled data set of 918 independent crystal structures, thereby reflecting not only the entropic effe...
作者:Chris Celania , Volodymyr Smetana , Anja Verena Mudring
来源:[J].Acta Crystallogr C Struct Chem, 2017, Vol.73 (Pt 9), pp.692-696IUCr
摘要:Y 3 Au 4 (triyttrium tetragold) and Y 14 Au 51 (tetradecayttrium henpentacontagold), two binary representatives of Au-rich rare earth (R) systems crystallize with the space groups R-3 and P6/m, adopting the Pu 3 Pd 4 and Gd 14 Ag 51 structure types, respectively (Pearson sym...
作者:M. T. B. Clabbers , E. van Genderen , W. Wan ...
来源:[J].Acta Crystallogr D Struct Biol, 2017, Vol.73 (Pt 9), pp.738-748IUCr
摘要:Three-dimensional nanometre-sized crystals of macromolecules currently resist structure elucidation by single-crystal X-ray crystallography. Here, a single nanocrystal with a diffracting volume of only 0.14 µm3, i.e. no more than 6 × 105 u...
作者:G. Tinti , H. Marchetto , C. A. F. Vaz ...
来源:[J].J Synchrotron Rad, 2017, Vol.24 (Pt 5), pp.963-974IUCr
摘要:EIGER is a single-photon-counting hybrid pixel detector developed at the Paul Scherrer Institut, Switzerland. It is designed for applications at synchrotron light sources with photon energies above 5 keV. Features of EIGER include a small pixel size (75 µ...
作者:David M. Unuigbe , Margit Harting , Emmanuel O. Jonah ...
来源:[J].J Synchrotron Rad, 2017, Vol.24 (Pt 5), pp.1017-1023IUCr
摘要:The presence of native oxide on the surface of silicon nanoparticles is known to inhibit charge transport on the surfaces. Scanning electron microscopy (SEM) studies reveal that the particles in the printed silicon network have a wide range of sizes and shapes. High-resolution tr...
作者:Dennis Wiedemann , Julia Kohl
来源:[J].Acta Crystallogr C Struct Chem, 2017, Vol.73 (Pt 9), pp.654-659IUCr
摘要:Crown ethers and their supramolecular derivatives are well-known chelators and scavengers for a variety of cations, most notably heavier alkali and alkaline-earth ions. Although they are widely used in synthetic chemistry, available crystal structures of uncoordinated and solvent...
作者:Martin Bommer , Leighton Coates , Holger Dau ...
来源:[J].Acta Crystallogr F Struct Biol Commun, 2017, Vol.73 (Pt 9), pp.525-531IUCr
摘要:The PsbO protein of photosystem II stabilizes the active-site manganese cluster and is thought to act as a proton antenna. To enable neutron diffraction studies, crystals of the β-barrel core of PsbO were grown in capillaries. The crystals were optimized by screening additiv...
作者:Andrew W. Stevenson , Francesca Di Lillo
来源:[J].J Synchrotron Rad, 2017, Vol.24 (Pt 5), pp.939-953IUCr
摘要:It is shown that an extensive set of accurate ionization-chamber measurements with a primary polychromatic synchrotron X-ray beam transmitted through various filter combinations/thicknesses can be used to quite effectively estimate the absolute flux distribution. The basic techni...

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