When news of Trump's voltaic nature surfaced again two weeks ago, in an article by my colleague Evan Osnos, health commentators rushed to emphasize that, no, in fact, the benefits of regular exercise are not fake news.
This adsorption of a protein on the surface of nanoparticles strongly depends on its nature, surface chemistry and physicochemical properties.
In order to optimise the nanocarriers, the following considerations, including polymer nature, surface charge, size, polydispersity index and morphology of nanoparticles, have to be taken into account.
Gold nanoparticles have attracted strong biomedical interest for drug delivery due to their low toxic nature, surface plasmon resonance and capability of increasing the stability of the payload.
In most cases, the adhesion/cohesion is of mechanical nature; surface anfractuosities, such as pits and grooves, of a rough surface are filled with the spreading molten material due to the impact pressure.
Friction welding of the two similar thermoplastic is an easy exercise but joining two dissimilar thermoplastic is difficult because of large differences in viscosity, specific density, molecular weight, melting point, crystalline vs. amorphous nature, surface behavior and dynamic-mechanical properties.
Symbiotic gut microorganisms release of various soluble low molecular weight (LMW molecules of different chemical nature (surface and exogenous proteins, nucleases, serpins, sirtuines, other enzymes, lectins, peptides, amines, bacteriocines, fatty and amino acids, lactones, furanons, miRNA, NO, etc).
Open image in new window Figure 2 Multi-scale and statistical self-affine nature of surfaces.
Because of their anionic nature, the surfaces of clays are covered with small cations.
