w Kinetics and mechanisms of selenate and selenite adsorption/desorption a t the goethitelwater interface were studied by using pressure-jump (p-jump) relaxation with conductivity detection at 298.15 K. A single relaxation was observed for selenate Se0:adsorption. This relaxation was ascribed to Se0,2on a surface site through electrostatic attraction accompanied simultaneously by a protonation ...

To override the diffusion-limited adsorption step of viral infection, we magnetically synchronized cell attachment. Human immunodeficiency virus type 1-based lentivirus preparations were rendered magnetically reactive by association with magnetite nanoparticles, 50 nm in diameter. Application of a magnetic field resulted in immediate redistribution of the viral inoculum to the cell-associated s...

The material, ?-MnO2, has exhibited superior performance on the removal of methylene blue (MB), but process is significantly impacted by pH, and impacting mechanism still unclear. In this study, effects pH MB using synthesized ?-MnO2 were investigated distinguishing adsorption oxidation during in dark. results show that total efficiency decreased with an increase pH. could be removed via mechan...