نتایج جستجو برای: crystallization unit

تعداد نتایج: 416630  

2014
So-Ra Park

An electric field was applied to a conductive layer to induce Joule heating in order to generate the intense heat needed to carry out the crystallization of amorphous silicon. Complete crystallization was observed via Joule heating under typical processing conditions. Crystallization was accomplished throughout the sample within the range of microseconds of the heating, thus demonstrating the p...

2014
Ying Zhu Li-Na Zhu Rui Guo Heng-Jun Cui Sheng Ye Qun Fang

Large-scale screening of hundreds or even thousands of crystallization conditions while with low sample consumption is in urgent need, in current structural biology research. Here we describe a fully-automated droplet robot for nanoliter-scale crystallization screening that combines the advantages of both automated robotics technique for protein crystallization screening and the droplet-based m...

2010
MARTIN L. COLLIER PETER B. KELEMEN

Evidence from abyssal peridotites suggests that significant chemical reaction with peridotite can occur during the early stages of cooling and crystallization of mid-ocean ridge basalt (MORB) magmas. We evaluate the hypothesis that reactive crystallization (crystallization influenced by such melt^rock reaction) could cause magma compositions to evolve along a different chemical trajectory than ...

2010
Geraldo M. de Lima R. Alan Howie Edward R. T. Tiekink James L. Wardell Solange M. S. V. Wardell

The asymmetric unit of the title hydrate, 2[Sn(H(2)O)(2)(OH)(2)Br(6)]·7H(2)O, comprises two [Br(3)(H(2)O)Sn(μ-OH)(2)SnBr(3)(OH(2))] units, but three independent mol-ecules as two of these are disposed about inversion centres, and seven water mol-ecules. In common with the monoclinic polymorph [Howie et al. (2005 ▶). Inorg. Chim. Acta, 358, 3283-3286], each of the dinuclear species features a ce...

2009
Christopher A. Kors Ellen Wallace Douglas R. Davies Liang Li Philip D. Laible Peter Nollert

When starting a protein-crystallization project, scientists are faced with several unknowns. Amongst them are these questions: (i) is the purity of the starting material sufficient? and (ii) which type of crystallization experiment is the most promising to conduct? The difficulty in purifying active membrane-protein samples for crystallization trials and the high costs associated with producing...

Journal: :Biomicrofluidics 2017
Jeremy M Schieferstein Ashtamurthy S Pawate Chang Sun Frank Wan Paige N Sheraden Jana Broecker Oliver P Ernst Robert B Gennis Paul J A Kenis

Elucidating and clarifying the function of membrane proteins ultimately requires atomic resolution structures as determined most commonly by X-ray crystallography. Many high impact membrane protein structures have resulted from advanced techniques such as in meso crystallization that present technical difficulties for the set-up and scale-out of high-throughput crystallization experiments. In p...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2016
Kyle Wm Hall Sheelagh Carpendale Peter G Kusalik

The molecular-level details of crystallization remain unclear for many systems. Previous work has speculated on the phenomenological similarities between molecular crystallization and protein folding. Here we demonstrate that molecular crystallization can involve funnel-shaped potential energy landscapes through a detailed analysis of mixed gas hydrate nucleation, a prototypical multicomponent ...

Journal: :Acta crystallographica. Section D, Biological crystallography 2005
Thomas S Peat Jon A Christopher Janet Newman

A database application has been developed for the collection of crystallographic information. This database (the BDP) has been populated with the information found in the Protein Data Bank (PDB). The tool has been used to store crystallization data parsed out of the PDB and these data may be used to extend the crystallization information found in the Biological Macromolecule Crystallization Dat...

Journal: :Biomacromolecules 2021

A new type of polysaccharide (hemicellulose) nanocrystal, bearing the shape an anisotropic nanoflake, emerged from a dimethyl sulfoxide (DMSO) dispersion wood-based xylan through heat-induced crystallization. The dimensions these nanocrystals were controlled by crystallization conditions. Sharp signals in solid-state NMR indicated well-ordered crystal structure. unit cell is constituted two asy...

Journal: :Acta crystallographica. Section F, Structural biology communications 2014
Zhen Guo Shaocheng Zhang Hongpeng Zhang Li Jin Shasha Zhao Wei Yang Jian Tang Deqiang Wang

The high-mobility group protein (HMO2) of Saccharomyces cerevisiae is a component of the chromatin-remodelling complex INO80, which is involved in double-strand break (DSB) repair. HMO2 can also bind DNA to protect it from exonucleolytic cleavage. Nevertheless, little structural information is available regarding these functions of HMO2. Since determination of three-dimensional structure is a p...

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