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Surface analysis of SiO2‐like high‐barrier thin films for protection of silver artefacts

“…With or without pretreatment, the modified Auger parameter for Ag, close to the metal-coating interface, is about 725.5 eV, as for metallic silver. [7] Similar profiles are obtained on as-polished copper, in which the Auger Cu L3VV signal is at 918.0 eV corresponding to unoxidized metal and on silver-based alloys. These results indicate that the main role of the hydrogen pretreatment is the removal of the organic contamination at the interface, and the deposition does not appreciably alter the oxidation state of silver and/or copper.…”

Recent and Expected Roles of Plasma‐Polymerized Films for Biomedical Applications

“…[57,58] The low-protein adsorption properties of PEO are thought to be due to a number of factors, including its low interfacial free energy with water, chain mobility, molecular conformation in aqueous solution, hydrophilicity, and steric repulsive effects. [59][60][61] PEO-like coatings have been created using glow discharges fed with various low weight glycol monomers, including di(ethylene glycol) dimethylether (DEGDME or diglyme), [62,63] tri(ethylene glycol) dimethylether (TEGDME or triglyme), [64] tetra(ethylene glycol) dimethylether (tetraglyme), [65,66] as well as di(ethylene glycol) monovinyl ether and tri(ethylene glycol) monoallyl ether. [14,15] Regardless of the monomer used, the level of the non-fouling properties achieved can be related to the degree of incorporation of PEO content, or ether carbon functionalities, in the film.…”

“…Deposition 2007, 13, 280-294tant to adsorption by albumin, [63,67] fibrinogen, [59,63] platelets, [63] immunoglobulin, [59] macrophages, [59] as well as certain bacterial strains. [62] It has been suggested that Ag-containing plasma polymer films may offer long-term resistance to bacterial adhesion and prevent the colonization of biomaterial surfaces. [62,68,69] Such nanocomposite materials can be synthesized in plasma-assisted deposition processes using organo-silver precursors either in a single-gas process or by copolymerization with a second precursor that allows for multifunctional coatings (e.g., antifouling, antibacterial).…”

“…[62] It has been suggested that Ag-containing plasma polymer films may offer long-term resistance to bacterial adhesion and prevent the colonization of biomaterial surfaces. [62,68,69] Such nanocomposite materials can be synthesized in plasma-assisted deposition processes using organo-silver precursors either in a single-gas process or by copolymerization with a second precursor that allows for multifunctional coatings (e.g., antifouling, antibacterial). Plasma-assisted processes are of particular interest since they additionally offer easy procedures for the sterilization and the activation of surfaces.…”

Surface Functionalization for Biomedical Applications

“…Di-ethylene-glycol-dimethyl-ether (DEGDME) vapors were used as monomers and argon (Ar) as a buffer gas. 19 The plasma reactor is illustrated in Figure 9.…”