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Hace 4 días · Silanol groups react with hydroxyl groups on the surface of SiO 2 -NPs to form covalent bonds, resulting in VTES being grafted onto the surface of SiO 2 -NPs. Afterwards, DMPA (a compound containing acrylic functional groups) that reacts with silane coupling agents on the surface of SiO 2 -NPs under ultraviolet light.
29 de jun. de 2024 · These nanostructures can significantly increase catalytic activity by exposing more active sites and enhancing the mass transfer process, as they have larger surface areas and surface defects, which is conducive to surface reactions.
20 de jun. de 2024 · In this study, the density functional theory (DFT) was employed for predicting the surface free energy and contact angles of a well-known hydrophobic phyllosilicate mineral talc and a well-known hydrophilic phyllosilicate mineral muscovite based on the calculated interfacial energy and surface charge.
5 de jul. de 2024 · The interaction of the two functional groups in one molecule thus leads to new reaction channels with higher reactivity for ether cleavage on Si (001). As a further consequence, the reactivity of the C=C double bond is suppressed up to room temperature, leading to the observed selective adsorption.
30 de jun. de 2024 · To the extent that varying surface properties impacts bulk powder properties, the final drug product performance such as stability, dissolution rates, flowability, and dispersibility can be predicted by understanding surface properties such as surface chemistry, energetics, and wettability.
25 de jun. de 2024 · Owing to the importance of antiviral drugs in public health, the thermal energy effects of ATA and RIT were evaluated using the MLP approach and Hirshfeld surface properties.
18 de jun. de 2024 · The results showed that the surface work function of CeO 2 (111) was more strongly correlated with the atom at the termination, with work functions of 6.11 eV and 8.08 eV at the O1 and O2 terminations, respectively.
