Zhang et al. (Research Articles, 13 March 2009, p. 1448) reported that synaptic vesicles usually release neurotransmitter through a kiss-and-run mechanism occurring within 1 second but that full collapse of the vesicles becomes more prevalent with repeated stimuli. We report that the kinetics of vesicle retrieval do not change during a stimulus train, with endocytosis occurring in 10 to 15 seco...

The kinetics and mechanism of bainite transformation have been studied in Fe-Cr-Mo-V-Ti-C steel high speed dilatometry backed by thermodynamic analysis. The complete transformation of austenite, however, has not occurred at any reported temperature. Obtained results confirm the incomplete reaction phenomenon with the cessation of the bainite transformation well before the paraequilibrium is ach...

a theoretical study of the kinetics and mechanism of second-order intermolecular c.) cloadd it ion of 2-ethyny1-2,3-dihydrofurane and phenyl azide was performed using dft method at 101.111 le) cl of theory with 6-31 preg(d,p) basis set at 298.15k. equilibrium molecular geometries and harmonic ) ihrational frequencies ofthe reactants, transition state, and product were calculated. the kinetic an...

The movement of grain boundaries in pure metals and alloys with a low concentration dislocations has been historically proved to follow curvature flow behaviour. This mechanism is typically known as growth (GG). However, recent 3D in-situ experimental results tend question this global picture concerning the influence on kinetics interface migration. article explains, thanks 2D anisotropic full-...

Blakley, R. L. (1985) in Folates and Pterins (Blakley, R. L. & Benkovic, S. J., eds.), vol. 1 , pp. 191 -253, Wiley, New York Bolin, J. T., Filman, D. J., Matthews, D. A., Hamlin, R. C. & Kraut, J. ( 1982) J. Biol. Chem. 257, 1365013662 Clore, G. M., Gronenborn, A. M., Birdsall, B., Feeney, J. & Roberts, G. C. K. ( 1984) Biochem. J. 2 17,659-666 Feeney, J. (1986) in NMR in Living Systems (Axenr...

The oxidation reactions of BaLaCuS3 in the artificial air atmosphere were studied at different heating rates temperature range 50–1200 °C. stages determined by DSC-TG, XRD and IR–vis methods. kinetic characteristics proceeding obtained with use Kissinger model a linearized form. Compound was stable up to 280 Upon further 1200 °C, this complex sulfide underwent three main stages. first stage is ...