background & objectives: nanotechnology is one of great important part of technology. nanoparticles can be used in different applications for industrial, medical, military and personal use. the objectives of this study were preparation of polystyrene/zno nanocomposite films via a simple method and investigation of antibacterial activity of them. methods: polystyrene /zno nanoparticle (ps/n...

Crosslinked organic and hybrid multilayer thin films based on polystyrene-grafted platinum nanoparticles and azidomethyl-functionalized polystyrenes are built-up by sequential spin-coating and UV crosslinking processes. This approach allows to easily tune thickness, composition and periodicity of each layer, as highlighted by TEM and neutron reflectivity experiments. Room temperature UV crossli...

Reactivity of the Co(III) complex of cyclen (CoCyc) in the hydrolytic cleavage of supercoiled pUC18 DNA leading to the formation of the corresponding open circular form was enhanced by >200 times upon attachment of CoCyc to cross-linked polystyrenes. Thus, half-lives as short as 40 min were achieved by the resin-based CoCyc in cleavage of the supercoiled DNA at 4 degrees C.

The guanidine hybrid ligands, (tetramethylguanidine)methylenepyridine (TMGpy) and (dimethylethyleneguanidine)methylenepyridine (DMEGpy), were proven to be able to stabilize copper complexes active in the solvent-free polymerization of styrene at 110 °C using 1-phenylethylbromide as the initiator. The polymerization proceeded after first-order kinetics, and polystyrenes with polydispersities aro...

α-Fluoroalcohols have been proposed as transparent, base-soluble functional groups for use in the design of new 157 nm photoresist polymers. The two most common and easily prepared fluoroisopropanol groups are bis-trifluoromethyl carbinols (hexafluoroalcohol) and methyl-trifluoromethyl carbinols (trifluoroalcohol). This paper describes studies designed to assess the suitability of both of these...