Nanotitanium dioxide (TiO2) is an important industrial material that widely used as additive in cosmetics, pharmaceuticals, and food colorants. Although the small size of TiO2 nanoparticle useful various applications, biosafety this needs to be evaluated. In study, mouse fibroblast (L929) cells were evaluate cytotoxicity different concentrations (3−600 μg/mL) homogeneous weakly aggregated nanoparticles aqueous solution. The L929 became round even shrank concentration increased. Moreover,...

Functionalization of carbon nanotubes (CNTs) has attracted considerable interest in the fields physics, chemistry, material science and biology. The functionalized CNTs exhibit improved properties enabling facile fabrication novel nanomaterials nanodevices. Most functionalization approaches developed at present could be categorized into covalent attachment functional groups non-covalent adsorption various molecules onto surface CNTs. This review highlights recent development our work...

Superhydrophobic and superoleophilic filter paper was successfully prepared by treating commercially available with a mixture of hydrophobic silica nanoparticles polystyrene solution in toluene. Applications the separating liquids low surface tensions such as oil ethanol from water were investigated detail. The uptake ability superhydrophobic evaluated results show that can selectively adsorb floating on or aqueous emulsions. Furthermore, filtration mixtures through reduce content oil....

Gold nanoparticles (GNPs) are emerging as one of the most promising contrast agents for computerized tomography (CT) due to their remarkable properties including high X-ray absorption coefficient, low cytotoxicity, tailored surface chemistry, excellent biocompatibility, and unique plasmon resonance. Moreover, GNPs with tumor cell targeting molecules can specifically show tissues, leading an intriguing feature molecular imaging. In this article we provide a historical perspective on used CT...

The development of polyimides (PIs) with a superheat resistance and high thermal dimensional stability is required urgently for application in the rapidly growing area flexible-display substrates. Based on an enhanced intermolecular interaction, 2,2′-p-phenylenebis(5-aminobenzimidazole) (DP) that contains bis-benzimidazole was synthesized, two series its copolyimides (PI-a PI-b) were prepared by copolycondensation 5-amino-2-(4-aminobenzene)benzimidazole (PABZ)...

Flexible electronic materials have aroused significant interest due to the need for flexible electronics in a variety of applications. However, several obstacles such as low mechanical properties, interfacial adhesion problems, and nonreusability hinder their rapid development. Here, an ionogel was developed by one-step photopolymerization ionic liquid (IL) with C═C bond 1-vinyl-3-butylimidazolium tetrafluoroborate another solution 1-butyl-3-methylimidazolium without chemical cross-linker....

High-strength and reversible adhesion technology, which is a universal phenomenon in nature but remains challenging for artificial synthesis, essential the development of modern science. Existing adhesive designs without interface versatility hinder their application to arbitrary surfaces. Bioinspired by creeper suckers, crystal-fiber reinforced polymer gel with ultrastrong strength adaptability creatively prepared via introducing room-temperature crystallizable solvent into network. The...

Abstract Polyimides have emerged as promising dielectric materials for communication equipment, owing to their excellent thermal stability and processability. Nonetheless, a pressing need remains reduce the high-frequency dissipation factor ( D f ) of polyimides. Here, we synthesized various polyimides featuring linear backbone structures, finding that incorporate combination ester groups ether bonds exhibit low values 0.0015-0.0024 at 10 GHz. Even in high humidity temperature conditions...

An environmentally friendly method for preparation of multifunctional free-standing papers composed reduced graphene oxide (RGO) and cellulose has been developed. The results show that the can effectively reduce (GO) nanosheets in ionic liquids be adsorbed onto basal planes resulted RGO at same time. Since is a natural, inexpensive, renewable, nontoxic, biodegradable polymer, this approach presents facile cost-effective to synthesize highly water-dispersible stable functionalized (termed as...

A self-healing electrically conductive superhydrophobic poly(3,4-ethylenedioxythiophene) (PEDOT) coating has been prepared by chemical vapor deposition of a fluoroalkylsilane (POTS) onto PEDOT film, which was obtained electrochemical deposition. The not only maintained high conductivity with low resistivity 3.2 × 10–4 Ω·m, but also displayed water contact angle larger than 156° and sliding smaller 10°. After being etched O2 plasma, the showed an excellent ability, spontaneously regaining its...

Functionalized and monodisperse nanoshells have attracted significant attention owing to their well-defined structure, unique properties, wide range of potential applications. Here, the synthesis cross-linked organic-inorganic hybrid with strong fluorescence properties was reported via a facile precipitation polymerization hexachlorocyclotriphosphazene (HCCP) fluorescein on silica particles used as templates. The resulting poly(cyclotriphosphazene-co-fluorescein) (PCTPF) were firm shells...

A transparent, thermally and mechanically stable superhydrophobic coating was exploited by combining an electrodeposited PEDOT template chemical vapor depositions of TEOS POTS.

Abstract A highly effective drug carrier is constructed by coating folic acid‐terminated poly(ethylene glycol) (PEG‐FA) on single walled carbon nanotubes (SWNTs) in a facile non‐covalent method. The anti‐cancer drug, doxorubicin (DOX), further loaded the surface of SWNTs at very high loading efficiency, 149.3 ± 4.1%. system (DOX/PEG‐FA/SWNTs) exhibits excellent stability under neutral pH conditions such as serum, but dramatically releases DOX reduced typical tumour environment and...

A novel cholesteric liquid crystal molecule <bold>2CTPE</bold> with thermally tunable CPL properties based on cholesterol and tetraphenylethylene was successfully synthesized.

Traditional drug delivery systems suffer from low drug-loading and relatively weak therapeutic efficacy, therefore, development of new with high-efficiency has become more urgent. In this report, a novel-innovative strategy, namely self-framed system (DSFDS), is prepared via using anticancer drugs as polymer frame without any carriers. The molecules (exemplified by doxorubicin) containing than two nucleophilic functional groups (diols/diamines) directly reacted hexachlorocyclotriphosphazene...

Multiple hydrogen bonds (multi-HBs) can not only realize supramolecular polymerization but also significantly improve the mechanical properties of materials. Although it is known that bonding strengthen polymeric properties, effect multi-HBs has been explored for high-performance polymers, especially polyimides (PIs). Here, a diamine monomer capable forming multi-HBs, N,N′-(6-oxo-1,6-dihydropyrimidine-2,5-diyl)-bis(4-aminobenzamide) (DAPyBA), successfully designed and synthesized,...

As a living repair material, cell sheet exhibits significant potential in wound repair. Nonetheless, healing is complicated and protracted process that necessitates specific functions at each stage, including hemostasis antibacterial activity. In this work, on the basis of harvesting via photothermal response strategy, fibronectin attached (FACS) prepared to enhance its capability. For purpose, azide group (N