Search
Now showing items 31-40 of 4424
Are Chelate Rings Aromatic? Calculations of Magnetic Properties of Acetylacetonato and o-Benzoquinonediimine Chelate Rings
(American Chemical Society (ACS), 2007)
The aromaticity of the chelate rings of acetylacetonato (acac) and o-benzoquinonediimine (bqdi) ligands was
investigated theoretically by calculating nucleus-independent chemical shifts (NICS). The calculations were ...
The thermal stability of the external invertase isoforms from Saccharomyces cerevisiae correlates with the surface charge density
(Elsevier France-Editions Scientifiques Medicales Elsevier, Paris, 2012)
Understanding the effect of surface charge on the stability of proteins is one prerequisite for "tailoring" proteins with increased thermal stability. Here, we investigated the origin of the altered thermal stability ...
The influence of zinc surface pretreatment on the adhesion of epoxy coating electrodeposited on hot-dip galvanized steel
(Elsevier, 2007)
The adhesion and electrochemical properties of epoxy coatings electrodeposited on hot-dip galvanized steel with and without passive films were investigated during exposure to 3% NaCl. The passive films were formed in hot ...
Integer quantum Hall effect in gapped single-layer graphene
(Amer Physical Soc, College Pk, 2012)
Analytical expressions for the Hall conductivity sigma(yx) and the longitudinal resistivity rho(xx) are derived in gapped, single-layer graphene using linear response theory. The gap 2 Delta, described by a mass term, is ...
Plasmons and their interaction with electrons in trilayer graphene
(Amer Physical Soc, College Pk, 2013)
The interaction between electrons and plasmons in trilayer graphene is investigated within the Overhauser approach resulting in the "plasmaron" quasiparticle. This interaction is cast into a field theoretical problem, and ...
Development of the production of lead and precious metals in Central Asia / Razvoj proizvodnje olova i plemenitih metala u centralnoj Aziji
(Serbia : Faculty of Mining and Geology, Belgrade, 2014)
There were several rich deposits of polymetal ores of non-ferrous and
precious metals in the region of Imperial Russia and the Soviet Union.
Metallurgical production of these metals was developed even a thousand years
ago ...
Kerogen structural studies-oxidations with alkaline permanganate and with ferric chloride
(Elsevier, 1980)
Two oxidizing agents were used for structural studies of the kerogen from Aleksinac shale (Yugoslavia), namely: (1) alkaline potassium permanganate, and (2) acidic ferric chloride. (1) The main goal with alkaline permanganate ...
Eliminating dissolution of platinum-based electrocatalysts at the atomic scale
(Nature Publishing Group, 2020)
A remaining challenge for deployment of proton-exchange membrane fuel cells is thelimited durability of Pt-nanoscale materials that operate at high voltages during thecathodic oxygen reduction reaction. In this work, ...
Influence of selective acid-etching on functionality of halloysite-chitosan nanocontainers for sustained drug release
(Elsevier, 2021)
The functionality of halloysite (Hal) nanotubes as drug carriers can be improved by lumen enlargement and polymer modification. This study investigates the influence of selective acid etching on Hal functionalization with ...
An Approach to Nanobioparticles - Synthesis and Characterization of Fulleropeptides
(Wiley-V C H Verlag Gmbh, Weinheim, 2012)
Two sets of new peptides incorporating fulleropyrrolidine units Fp-GABAn-Glym-OtBu have been designed, synthesized and completely characterized. In the first series the chain contained only GABA (?-aminobutyric) residues, ...