Factors affecting the performance of magnesium hydroxide flame retardant fillers in an ethylene vinyl acetate copolymer

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Multifunctional molecular scratchcards

Plasmachemical nanolayering in combination with localized removal of an upper passivation layer is shown to be a simple route for the fabrication of patterned functional surfaces. Protein and DNA arrays can be prepared utilizing a dual layer structure in which the outer layer is nonbinding, and the exposed underlayer specifically immobilizes the respective biomolecule

Poly(N-acryloylsarcosine methyl ester) protein-resistant surfaces

A new class of protein-resistant film based on N-substituted glycine derivatives is described. Pulsed plasma deposited poly(N-acryloylsarcosine methyl ester) coatings are shown to be resistant toward the adsorption of fibrinogen and lysozyme. Deposition and UV irradiation of the polymer through a masked grid are found to be effective ways for generating negative and positive image protein arrays, respectively, onto a range of different substrate materials

Rewriteable DNA Microarrays

Thiol-terminated single-stranded deoxyribonucleic acids (ssDNA) can be immobilized onto pulsed plasma deposited poly(allylmercaptan) surfaces via disulfide bridge chemistry and are found to readily undergo nucleic acid hybridization. Unlike other methods for oligonucleotide attachment to solid surfaces, this approach is shown to be independent of substrate material or geometry, and amenable to highly efficient rewriting

Atmospheric pressure plasma deposition of structurally well-defined polyacrylic acid films

Ultrasonic atomization of acrylic acid monomer into an atmospheric pressure glow discharge (APGD) leads to the deposition of structurally well-defined polymeric films. High retention of the carboxylic acid group has been verified by XPS and FT-IR spectroscopy. These films are found to exhibit low water contact angle values and display good adhesive and gas barrier performance

Substrate-independent approach for polymer brush growth by surface atom transfer radical polymerization

A simple method for growing polymer brushes by atom transfer radical polymerization (ATRP) off solid surfaces has been devised. This entails pulsed plasmachemical deposition of a halogen-containing initiator layer, followed by either organic or aqueous phase controlled surface polymerization. The wide-scale applicability of this approach is exemplified by functionalizing flat substrates, microbeads, and nonwoven textiles