Surface characterization of plasma deposited organic thin films

Johnston, E. E.; Ratner, Buddy D.

doi:10.1016/0368-2048(95)02666-5

Cited by 88 publications

(49 citation statements)

References 78 publications

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“…This was attributed to the degree of monomer fragmentation resulting from the increased intensity of the plasma field. The lower deposition rate and higher substrate temperature associated with the increased RF power conditions allowed for a faster relaxation of film fragments within the growth region prior to deposition of the next layer of the film, resulting in a smoother surface [22]. This observation is clearly supported by the notable differences in roughness parameters of the two polyterpenol surfaces examined, particularly when the data from 10 μm × 10 μm scanning area sizes are compared.…”

Section: Discussionsupporting

confidence: 60%

“…Numerous surface modification techniques, such as radio frequency (RF) plasma modification, surface abrasion, chemical coating, and chemical grafting can be employed to change surface properties of the substrate so as to inhibit or promote bacterial adhesion and biofilm formation [20][21][22][23][24][25][26]. In this context, the present study is an extension of our previous work on the development of a novel organic polymer coating for the prevention of growth of medically significant bacteria on three-dimensional solid surfaces.…”

Section: Introductionmentioning

confidence: 86%

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The Effect of Polyterpenol Thin Film Surfaces on Bacterial Viability and Adhesion

et al. 2011

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Abstract:The nanometer scale surface topography of a solid substrate is known to influence the extent of bacterial attachment and their subsequent proliferation to form biofilms. As an extension of our previous work on the development of a novel organic polymer coating for the prevention of growth of medically significant bacteria on three-dimensional solid surfaces, this study examines the effect of surface coating on the adhesion and proliferation tendencies of Staphylococcus aureus and compares to those previously investigated tendencies of Pseudomonas aeruginosa on similar coatings. Radio frequency plasma enhanced chemical vapor deposition was used to coat the surface of the substrate with thin film of terpinen-4-ol, a constituent of tea-tree oil known to inhibit the growth of a broad range of bacteria. The presence of the coating decreased the substrate surface roughness from approximately 2.1 nm to 0.4 nm. Similar to P. aeruginosa, S. aureus presented notably different patterns of attachment in response to the presence of the surface film, where the amount of attachment, extracellular polymeric substance production, and cell proliferation on the coated surface was found to be greatly reduced compared to that obtained on the unmodified surface. This work suggests that the antimicrobial and antifouling coating used in this study could be effectively integrated into

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Section: Discussionsupporting

confidence: 60%

Section: Introductionmentioning

confidence: 86%

The Effect of Polyterpenol Thin Film Surfaces on Bacterial Viability and Adhesion

et al. 2011

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“…Thus, plasma treatment used in this study to produce polymeric optical films allows polymer waveguides to be manufactured, with a numerical aperture (NA) near 0.5. Polymeric structures generally have been manufactured with an NA between 0.3 and 0.5, and the structure of silica with NA of about 0.14 is attained, as previously reported [27] . The use of chloroform as a solvent can contribute to an acceptable roughness for polymeric optical films.…”

Section: Resultsmentioning

confidence: 96%

Effect of solvents on the morphology of PMMA films fabricated by spin-coating

2017

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“…Nevertheless, SIMS is very appropriate because it allows observing organic molecular ions, even thermally labile, with high sensitivity on the surface and in the film bulk [17]. A decided disadvantage, especially for the already modified solids, consists in the interference of species typical of the analyzed sample, with possibly similar secondary ions produced by the primary ion impact itself [18]. Rearrangement of fragments may occur during sputtering and ionization, which complicates identification of the spectral features, too.…”

Section: The Sims Analysis Of the Surfacementioning

confidence: 99%