Barrier behavior hindering Zn++ diffusion from cold remote nitrogen plasma-deposited silicon films

Jama, Charafeddine; Asfardjani, K.; Dessaux, O.; Goudmand, P.

doi:10.1002/(sici)1097-4628(19970425)64:4<699::aid-app9>3.0.co;2-i

Cited by 9 publications

(3 citation statements)

References 5 publications

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“…In the procedure of plasma polymerization of organosilicon, the film polymerized on the substrate surface starts to grow when the long-lasting reactive particles, flowing from the microwave discharge, had enough energy to break the chemical bonds and create free radicals implied in the film formation (Callebert et al 1994;Karam et al 2013). The deposition zone, where CRNP appears as a yellow afterglow, is a non-ionized zone mostly formed with reactive species like nitrogen atoms in the ground electronic state N(4S), free radicals, and electronically excited N 2 triplet states and vibrationally excited N 2 in the ground electronic state (Jama et al 1997;Quédé et al 2002;Esbayou et al 2018).…”

Section: Cold Plasma Treatments Of Materials For Preventing Bacterial Adhesionmentioning

confidence: 99%

Cold plasma surface treatments to prevent biofilm formation in food industries and medical sectors

Hage

Khelissa

Akoum

et al. 2021

Appl Microbiol Biotechnol

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Environmental conditions in food and medical fields enable the bacteria to attach and grow on surfaces leading to resistant bacterial biofilm formation. Indeed, the first step in biofilm formation is the bacterial irreversible adhesion. Controlling and inhibiting this adhesion is a passive approach to fight against biofilm development. This strategy is an interesting path in the inhibition of biofilm formation since it targets the first step of biofilm development. Those pathogenic structures are responsible for several foodborne diseases and nosocomial infections. Therefore, to face this public health threat, researchers employed cold plasma technologies in coating development. In this review, the different factors influencing the bacterial adhesion to a substrate are outlined. The goal is to present the passive coating strategies aiming to prevent biofilm formation via cold plasma treatments, highlighting antiadhesive elaborated surfaces. General aspects of surface treatment, including physico-chemical modification and application of cold plasma technologies, were also presented. Key points • Factors surrounding pathogenic bacteria influence biofilm development. • Controlling bacterial adhesion prevents biofilm formation.• Materials can be coated via cold plasma to inhibit bacterial adhesion.

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Section: Cold Plasma Treatments Of Materials For Preventing Bacterial Adhesionmentioning

confidence: 99%

Cold plasma surface treatments to prevent biofilm formation in food industries and medical sectors

Hage

Khelissa

Akoum

et al. 2021

Appl Microbiol Biotechnol

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show abstract

“…The elastic properties of this system can absorb the energy of indentation during the scratch test with a stress level below the limit of decohesion. [33][34][35] CRNP-assisted polymerisation of tetramethyl disiloxane (TMDS) monomers mixed with oxygen allows to obtain a polysiloxane film. Reactions involving hydrogen abstraction by N( 4 S) attack lead to the formation of radicals [33] such as:…”

Section: Hard Nitriding Coatingsmentioning

confidence: 99%

“…It was shown [34,35] that a polysiloxane film (5 µm thick) was an efficient barrier against Zn 2+ diffusion from pharmaceutical rubber cups towards drug liquid phase. For a material (elastomer) containing 2.5-wt% ZnO, the extracted Zn 2+ quantity is decreased by ≈70% after an immersion for 30 days.…”

Section: Polysiloxanes Filmsmentioning

confidence: 99%

Polymer Functionalization and Thin Film Deposition by Remote Cold Nitrogen Plasma Process

Mutel¹

2008

Journal of Adhesion Science and Technology

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Modification of polymer surfaces by cold plasma processes is attracting a growing interest. Especially, the use of plasma gases such as N 2 , O 2 or air, which are cheap and environmentally safe, is very attractive from an industrial point of view. The lifetime of atomic oxygen being very short, it is very difficult to operate with air or oxygen plasma when wide plasma volume is required. However, it is possible to obtain cold remote nitrogen plasma reaching volume of several m 3 due to the long lifetime of atomic nitrogen because of a re-dissociation mechanism. Moreover, the temperature being close to the ambient makes this plasma very attractive for functionalization and/or coating of polymer surfaces. Several applications of this plasma process are presented in this paper. The incorporation of new chemical functions during the treatment of polymers leads to an increase of their adhesion properties. Several industrial applications (painting, sticking, bonding, foaming and thermo-covering) are presented. The ability of this remote plasma to decompose, to polymerize, or to react with a volatile chemical component is described through three examples involving polymer substrates: (i) the deposition of metallic films; (ii) the synthesis of a nitride film combining hardness and elastic behavior; (iii) the synthesis of an organosilicon film showing interesting barrier properties. Adhesion aspects are investigated for all these examples.

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Cold remote plasma modification of wood: Optimization process using experimental design

Bigan¹,

Mutel

2018

Applied Surface Science

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Barrier behavior hindering Zn++ diffusion from cold remote nitrogen plasma-deposited silicon films

Cited by 9 publications

References 5 publications

Cold plasma surface treatments to prevent biofilm formation in food industries and medical sectors

Cold plasma surface treatments to prevent biofilm formation in food industries and medical sectors

Polymer Functionalization and Thin Film Deposition by Remote Cold Nitrogen Plasma Process

Cold remote plasma modification of wood: Optimization process using experimental design

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