ract—A novel screening platform for the screening and mization of protein crystallization is reported. Here we ent two key experiments to generate protein crystallization se diagrams. One is to precisely generate spatial gradient let arrays; the other is to trap and identify each droplet in e in order to carry out temporal and spatial analysis. The rated concentration and volume gradient ranges...

Solutions of water and a salt or sugar make excellent experimental analog magmas for teaching concepts of igneous petrology because of the comparatively low temperatures involved, the simplicity of the apparatus needed, and the responsiveness of familiar chemical systems. Boiling of these aqueous solutions on a hot plate can be used to increase the concentration of a dissolved salt or sugar to ...

With the continuous expansion of industrial enterprises, a large amount high-salt wastewater with complex components is produced. Direct discharge will cause great harm to ecosystem and waste potential salt resources. This paper summarizes source, water quality characteristics, environmental impact high-salinity wastewater, introduces desalination treatment technologies wastewater. The technolo...

Double-stranded DNA molecules (molecular weight 2.5 X 10(5) - 5 X 10(5) daltons) have been crystallized from water-salt solutions as cetyltrimethylammonium salts (CTA-DNA). Variation of crystallization conditions results in a production of different types of CTA-DNA crystals: spherulits, dendrites, needle-shaped and faceted rhombic crystals, the latter beeing up to 0.3 mm on a side. X-ray diffr...

Protein crystallization is important for structural biology. The rate at which a protein crystallizes is often the bottleneck in determining the protein's structure. Here, we give a physical model for the growth rates of protein crystals. Most materials crystallize faster under stronger growth conditions; however, protein crystallization slows down under the strongest conditions. Proteins requi...

Reduction of scandium nitride clusterfullerene, Sc3N@Ih-C80, by sodium fluorenone ketyl in the presence of cryptand[2,2,2] allows the crystallization of the {cryptand[2,2,2](Na(+))}2(Sc3N@Ih-C80(-))2·2.5C6H4Cl2 (1) salt. The Sc3N@Ih-C80˙(-) radical anions are dimerized to form single-bonded (Sc3N@Ih-C80(-))2 dimers.

The solution-phase synthesis of high quality LaOBr nanocrystals has been realized by single source precursors under the assistance of an organic salt (TBAB) and characterized by XRD and TEM. The unique crystallization process of LaOBr NCs is demonstrated and dictated by the amidation reaction. The X-ray luminescence of (Tm, Tb, Eu)-doped LaOBr NCs has also been characterized.