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45.486  Articles
1 of 4.550 pages  |  10  records  |  more records»
Among the freshwater benthic macroalgae found in Brazilian rivers and streams, species of Oedogonium (Chlorophyta) have shown great ability to produce high biomass in several environmental conditions. Their resilience to eutrophic habitats provides an opp... see more

Solvents are widely used in crystallization, but their effects on the shape development of crystals are under debate. Here, we report a view on how solvents play their role by considering the viscosity of solvents. We synthesize silver particles in a mixt... see more

Carbon nanotubes (CNTs)-supported Pt nanoparticles were prepared with selective deposition of Pt nanoparticles inside and outside CNTs (Pt–in/CNTs and Pt–out/CNTs). The effects of Pt loading and reaction solvents on phenol hydrogenation were investigated.... see more

This study investigated solvent effects on the phytochemical composition of Quassia undulata [Guill. & Perr. (D. Dietr.)] leaves a medicinal plant used in treating arrays of diseases including fever and cough. The leaves were collected, washed, air-dr... see more

Received: 25.06.2020 Revised: 15.07.2020 Accepted: 27.08.2020

The hydrogen bonding effects that were produced from interaction of membrane lipid dipalmitoylphosphatidyl-ethanolamine (DPPE) with 1-5 water molecules, has been theoretically  investigated through the quantum mechanical calculations at the Hartree-F... see more

The effect of the polarity of the environment on the conformation zwitterionic membrane dilauroyl phosphatidylcholine (DLPC) has been investigated with calculation at the Hatree-Fock level using the 6-31G* basis set with Onsager continuum solvation model.... see more

The aim of this work was to test some solvents in order to improve the free amino acids extraction from lyophilised brewer’s yeast. The brewer’ yeast was treated with four types of extraction solvents: Solvent I – acetonitrile 25%/HCl 0.01M (ACN); Solvent... see more

The structures and electronic spectra of three quinoxalinone derivatives have been investigated theoretically by performing DFT and TDDFT calculations with standard basis sets containing polarization and diffuse functions. The solvent effect was taken int... see more

1 of 4.550 pages  |  10  records  |  more records»