The adsorption and corrosion inhibiting effect of branched polymers (BATP, BAAZ, BETP & BEAZ) on mild steel in 1M H2SO4 at 30±1°C was investigated using gravimetric, electrochemical impedance spectroscopy (EIS), and potentiodynamic polarization techniques. The experimental findings revealed that BATP inhibited the corrosion reaction in the acid environment to greater extend compared to BAAZ, BE...

Protein motions are essential for function. Comparing protein processes with the dielectric fluctuations of the surrounding solvent shows that they fall into two classes: nonslaved and slaved. Nonslaved processes are independent of the solvent motions; their rates are determined by the protein conformation and vibrational dynamics. Slaved processes are tightly coupled to the solvent; their rate...

Gas-phase activation data were obtained for model sulfoxide elimination reactions. The activation enthalpy for methyl 3-phenylpropyl sulfoxide is 32.9 +/- 0.9 kcal/mol. Elimination by methyl vinyl sulfoxide to form acetylene has an enthalpic barrier of 41.6 +/- 0.8 kcal/mol and that of 3-phenylpropyl methanesulfinate to form hydrocinnamaldehyde is 34.6 +/- 0.6 kcal/mol. Calculations at the MP2/...

Oils of vegetable origin are of great importance in food, soap, and cosmetic industries and they may also be used as lubricants and raw materials for biodiesel production depending on their viscosity and thermal stability. This work provides insight into the fatty acid components, physicochemical properties and thermal stability of some refined vegetable oils. The Saponification values, peroxid...

Results: A total of 247 plastic surgeons were included. 78.6% cited previous work at least once (mean 34.3 +/87.5 self-citations). These self-citations accounted for 4.8% of all citations. Including self-citations in bibliometric analyses increased h-indices from 9.5 +/6.9 to 10.2 +/7.6. A minority of researchers (20.1%) increased their h-index via self-citation by at least one integer value (r...

The structural origin of enzyme adaptation to low temperature, allowing efficient catalysis of chemical reactions even near the freezing point of water, remains a fundamental puzzle in biocatalysis. A remarkable universal fingerprint shared by all cold-active enzymes is a reduction of the activation enthalpy accompanied by a more negative entropy, which alleviates the exponential decrease in ch...

2014 Proton n.m.r. relaxation time measurements have been made on bicyclo[2.2.2]octane (BCO) and bicyclo[2.2.2]oct-2-ene (BCOE). Measurements for each sample were made throughout the plastic and brittle phases, down to 77 K. The results have been interpreted in terms of the various molecular motions occurring in the solid. Below the plastic-brittle phase transition point anisotropic molecular r...

Schiff base complexes of transition metals are of particular interest to inorganic chemists because of their structural, spectral and chemical properties, which are often strongly dependant on the nature of the ligand structure. Large number of metal (II) complexes with Schiff-base ligands has been extensively studied for their interesting structural specialties, applications and properties. Th...

The cross-slip rate of screw segments in dislocation dynamics simulations was calculated using the model Esteban-Manzanares et al. (2020), which is based on a combination harmonic transition state theory and Meyer–Neldel rule. In said model, expressed as function microstructure parameters. particular, prefactor depends nucleation length activation enthalpy, are themselves functions local stress...