国际晶体学联合会
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作者:Cecilia M. Casadei , Karol Nass , Anton Barty ...
来源:[J].IUCrJ, 2019, Vol.6 (Pt 1), pp.34-45IUCr
摘要:Serial femtosecond crystallography of two-dimensional membrane-protein crystals at X-ray free-electron lasers has the potential to address the dynamics of functionally relevant large-scale motions, which can be sterically hindered in three-dimensional crystals and suppressed...
作者:Christopher G. Gianopoulos , Zhijie Chua , Vladimir V. Zhurov ...
来源:[J].IUCrJ, 2019, Vol.6 (Pt 1), pp.56-65IUCr
摘要:Chemical bonding and all intermolecular interactions in the highly insoluble carbonate salt of a 2,6-pyridine-bis(iminoguanidine), (PyBIGH 2 )(CO 3 )(H 2 O) 4 , recently employed in the direct air capture of CO 2 via crystallization, have been analyzed within the framework o...
作者:Peter B. Rosenthal
来源:[J].IUCrJ, 2019, Vol.6 (Pt 1), pp.3-4IUCr
作者:Cristian R. Boruntea , Peter N. R. Vennestrøm , Lars F. Lundegaard
来源:[J].IUCrJ, 2019, Vol.6 (Pt 1), pp.66-71IUCr
摘要:During screening of the phase space using KOH and 1-methyl-4-aza-1-azoniabicyclo[2.2.2]octane hydroxide (1-methyl-DABCO) under hydrothermal zeolite synthesis conditions, K-paracelsian was synthesized. Scanning electron microscopy, energy dispersive X-ray spectroscopy and ex situ ...
作者:Hiroki Noguchi , Christine Addy , David Simoncini ...
来源:[J].IUCrJ, 2019, Vol.6 (Pt 1), pp.46-55IUCr
摘要:Β-Propeller proteins form one of the largest families of protein structures, with a pseudo-symmetrical fold made up of subdomains called blades. They are not only abundant but are also involved in a wide variety of cellular processes, often by acting as a platform for the as...
作者:Chufeng Li , Xuanxuan Li , Richard Kirian ...
来源:[J].IUCrJ, 2019, Vol.6 (Pt 1), pp.72-84IUCr
摘要:SPIND (sparse-pattern indexing) is an auto-indexing algorithm for sparse snapshot diffraction patterns (`stills') that requires the positions of only five Bragg peaks in a single pattern, when provided with unit-cell parameters. The capability of SPIND is demonstrated for th...
作者:Martin Rudolph , Mykhaylo Motylenko , David Rafaja
来源:[J].IUCrJ, 2019, Vol.6 (Pt 1), pp.116-127IUCr
摘要:The defect structure of Γ-Al 2 O 3 derived from boehmite was investigated using a combination of selected-area electron diffraction (SAED) and powder X-ray diffraction (XRD). Both methods confirmed a strong dependence of the diffraction line broadening on the diffraction ind...
作者:Sujuan Wang , Zhang Wen Wei , Jianyong Zhang ...
来源:[J].IUCrJ, 2019, Vol.6 (Pt 1), pp.85-95IUCr
摘要:Metal–organic frameworks with highly ordered porosity have been studied extensively. In this paper, the effect of framework (pore) disorder on the gas sorption of azole-based isoreticular Cu(II) MOFs with rtl topology and characteristic 1D tubular pore channels is investigat...
作者:Jasenko Zivanov , Takanori Nakane , Sjors H. W. Scheres
来源:[J].IUCrJ, 2019, Vol.6 (Pt 1), pp.5-17IUCr
摘要:A new method to estimate the trajectories of particle motion and the amount of cumulative beam damage in electron cryo-microscopy (cryo-EM) single-particle analysis is presented. The motion within the sample is modelled through the use of Gaussian process regression. This allows ...

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