نتایج جستجو برای: surface charges
تعداد نتایج: 653259 فیلتر نتایج به سال:
Although it is frequently hypothesized that surface (like surface charge) and physical characteristics (like particle size) play important roles in cellular interactions of nanoparticles (NPs), a systematic study probing this issue is missing. Hence, a comparative cytotoxicity study, quantifying nine different cellular endpoints, was performed with a broad series of monodisperse, well character...
By combining contact-mode atomic force microscopy (AFM) and scanning Kevin probe microscopy (SKPM), we demonstrated an in situ method for quantitative characterization of the triboelectrification process at the nanoscale. We systematically characterized the triboelectric charge distribution, multifriction effect on charge transfer, as well as subsequent charge diffusion on the dielectric surfac...
The fabrication, characterization, and decoration with metallic nanoparticles of nanostructures such as nanowhiskers, nanodendrites, and fractal-like nanotrees on insulator substrates by electron-beam-induced deposition (EBID) are reviewed. Nanostructures with different morphologies of whiskers, dendrites, or trees are fabricated on insulator (Al2O3 or SiO2) substrates by EBID in transmission e...
Electrostatic interactions between charges on ligands and charges on proteins that are remote from the binding interface can influence the free energy of binding (delta Gb). The binding affinities between charged ligands and the members of a charge ladder of bovine carbonic anhydrase (CAII) constructed by random acetylation of the amino groups on its surface were measured by affinity capillary ...
CONTEXT Since 2009, poisonings have been the leading cause of fatal injuries in the United States (US) and remain a continuing public health issue. Because of the varying definitions for what constitutes a poisoning case, there are inconsistencies in the annual number of cases reported among national health surveys. OBJECTIVES The main objective of this study was to describe poisonings treate...
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