نتایج جستجو برای: polyethyleneglycol 200

تعداد نتایج: 139290  

Journal: :Acta crystallographica. Section D, Biological crystallography 2004
Binbin Liu Xuemei Li Renjun Gao Weihong Zhou Guiqiu Xie Mark Bartlam Hai Pang Yan Feng Zihe Rao

Inorganic pyrophosphatase (PPase; EC 3.6.1.1) from the hyperthermophile Pyrococcus horikoshii was crystallized by the hanging-drop vapour-diffusion method at pH 5.0 using polyethyleneglycol 4000 as the precipitant. The crystal belongs to space group P2(1)2(1)2, with unit-cell parameters a = 71.7, b = 86.5, c = 92.5 A, alpha = beta = gamma = 90 degrees. There are two molecules in the asymmetric ...

2017
Julia Kinzel Daniel F Sauer Marco Bocola Marcus Arlt Tayebeh Mirzaei Garakani Andreas Thiel Klaus Beckerle Tino Polen Jun Okuda Ulrich Schwaneberg

Covering hydrophobic regions with stabilization agents to solubilize purified transmembrane proteins is crucial for their application in aqueous media. The small molecule 2-methyl-2,4-pentanediol (MPD) was used to stabilize the transmembrane protein Ferric hydroxamate uptake protein component A (FhuA) utilized as host for the construction of a rhodium-based biohybrid catalyst. Unlike commonly u...

Journal: :Bioscience reports 1994
P Sancho J Mendieta A I García-Pérez J Luque

Rat bone marrow cell populations, containing different proportions of erythroid cells, have been fractionated by counter-current distribution in the non-charge-sensitive dextran/polyethyleneglycol two-phase systems on the basis of hydrophobic cell surface properties. Cell fractions with a low distribution coefficient, which contain non-erythroid cells and early erythoblasts, showed a low transf...

Journal: :Nanoscale 2015
Yingchang Jiang Zhenyang Wang Mengya Shang Zhongping Zhang Shudong Zhang

The key challenges in thermoelectric power conversion are creating a significant temperature difference and obtaining more heat energy through a thermoelectric device. Herein, graphene/polyethyleneglycol composites (G-PEGs) were proposed as a heat supply for thermoelectric devices. The G-PEGs not only afford a lot of conductive pathways for heat transfer but also act as highly thermally conduct...

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