Poly(methyl methacrylate) (PMMA) nanofiber containing silver nanoparticles was synthesized by radical-mediated dispersion polymerization and applied to an antibacterial agent. UV−vis spectroscopic analysis indicated that the were continually released from polymer in aqueous solution. The properties of silver/PMMA against both Gram-negative (Escherichia coli) Gram-positive (Staphylococcus aureus) bacteria evaluated using minimum inhibitory concentration (MIC), modified Kirby−Bauer method, a...

With developments in technology, tremendous effort has been devoted to produce flexible, scalable, and high‐performance supercapacitor electrode materials. This report presents a novel fabrication method of highly flexible scalable material for supercapacitors using solution‐processed polyaniline (PANI)/reduced graphene oxide (RGO) hybrid film. SEM, TEM, Raman, XPS analyses show that the PANI/RGO film is successfully synthesized. The percentages PANI component are controlled (88, 76, 60%),...

Rapid and precise discrimination of various odorants is vital to fabricating enhanced sensing devices in the fields disease diagnostics, food safety, environmental monitoring. Here, we demonstrate an ultrasensitive flexible field-effect transistor (FET) olfactory system, namely, a bioelectronic nose (B-nose), based on plasma-treated bilayer graphene conjugated with receptor. The stable p- n-type behaviors from modified (MBLG) took place after controlled oxygen ammonia plasma treatments. It...

Abstract Owing to their promising applications in electronic and optoelectronic devices, conducting polymers have been continuously studied during the past few decades. Nevertheless, only limited progress had made conducting‐polymer‐based sensors until nanostructured were demonstrated for high‐performance signal transducers. Significant advances synthesis of conducting‐polymer nanomaterials recently reported, with enhanced sensitivity relative bulk counterparts. Today, rival metal inorganic...

Despite the 3–5 fold higher energy density than conventional Li‐ion cells at a lower cost, commercialization of Li–S batteries is hindered by insulating nature sulfur and dissolution intermediate polysulfides (Li 2 S X , 4 < ≤ 8) into electrolyte. The authors demonstrate here multichannel carbon nanofibers that are composed parallel mesoporous channels connected with micropores as containment. In addition, hydroxyl functional groups formed on surface through chemical activation to enhance...

Mercury (Hg) is highly toxic but has been widely used for numerous domestic applications, including thermometers and batteries, decades, which led to fatal outcomes due its accumulation in the human body. Although many types of mercury sensors have developed protect users from Hg, few methodologies exist analyze Hg2+ ions low concentrations real world samples. Herein, we describe fabrication characterization liquid-ion gated field-effect transistor (FET)-type flexible graphene aptasensor...

Abstract We demonstrate an 80-μm-thick film (which is around 15% of the thickness human epidermis), which a highly sensitive hybrid functional gauge sensor and was fabricated from poly(vinylidene fluoride) (PVDF) ZnO nanostructures with graphene electrodes. Using this film, we were able to simultaneously measure pressure temperature in real time. The monitored change electrical resistance via piezoresistance material inferred based on recovery time signal. Our thin system enabled us detect...

Fe3O4–PEDOT core–shell nanoparticles were fabricated by acid treatment mediated seeded polymerization and applied for highly efficient separation of heavy metal ions from contaminated waste water with an external magnetic field.

Tailoring the morphology of materials in nanometer regime is vital to realizing enhanced device performance. Here, we demonstrate flexible nerve agent sensors, based on hydroxylated poly(3,4-ethylenedioxythiophene) (PEDOT) nanotubes (HPNTs) with surface substructures such as nanonodules (NNs) and nanorods (NRs). The can be grown a nanofiber by controlling critical synthetic conditions during vapor deposition polymerization (VDP) polymer nanotemplate, leading formation multidimensional...

Graphite nanoparticles, with diameters as small 2 nm (see picture) can be fabricated by the carbonization of polypyrrole nanoparticles similar dimensions, which have been prepared a low-temperature polymerization technique in micellar microemulsion acts "nanoreactor". The graphite exhibit excellent transparent conductive performance polycarbonate medium, and may envisaged substitute for carbon nanotubes.

Get a whiff of this: Human olfactory receptor (hOR)-conjugated polypyrrole (PPy) nanotubes were integrated into the field-effect transistor (FET) sensor platform for fabrication high-performance bioelectronic noses (see picture, S = source, D drain). The device can translate and amplify hOR-odorant interaction detectable signal, it showed highly sensitive specific responses toward target odorant.

A facile way to synthesize nanometer-sized polymer (polypyrrole, PPy) particles is explored on the basis of formation complexes between water-soluble polymers and metal cations in aqueous solution. The cation used as an oxidizing agent initiate chemical oxidation polymerization corresponding monomer, effectively provides a steric stability for growth nanoparticles during process. Light-scattering analyses are performed give insight into behavior In addition, major physical parameters...

Polypyrrole (PPy) nanotubes have been fabricated by reverse microemulsion polymerization in an apolar solvent, and factors affecting the formation of PPy also investigated.

Abstract 1D poly(3,4‐ethylenedioxythiophene) (PEDOT) nanomaterials, including ellipsoidal nanoparticles, nanorods, and nanotubes, are fabricated via chemical oxidation polymerization in reverse (water‐in‐oil) microemulsions. The cylindrical micelles prepared with sodium bis(2‐ethylhexyl) sulfosuccinate (AOT) aqueous FeCl 3 solution hexane. morphology of the final products is determined by carefully tuning degree potential at micelle surface. Notably, fabrication gram‐scale amounts possible...

Novel biocidal polymer-functionalized TiO(2) nanoparticles were prepared by surface-initiated photopolymerization using titania as an initiator. Vinyl monomer mixtures of nontoxic secondary amine-containing 2-(tert-butylamino)ethyl methacrylate and antifouling ethylene glycol dimethacrylate used for the antimicrobial polymer shell. It was shown that synthesized TiO(2)/poly[2-(tert-butylamino)ethyl methacrylate-co-ethylene dimethacrylate] core/shell had enhanced photocatalytic antibacterial...

Polypyrrole (PPy) nanotubes were readily fabricated through chemical oxidation polymerization in sodium bis(2-ethylhexyl) sulfosuccinate (AOT) reverse (water-in-oil) emulsions. The cylindrical micelle phase was characterized, and the key factors affecting formation of PPy systematically inspected. AOT micelles prepared via a cooperative interaction between an aqueous FeCl3 solution apolar solvent. In H2O/FeCl3/AOT/apolar solvent system, played role increasing ionic strength decreasing second...