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Facilely prepared Fe 3 O 4 /nitrogen-doped graphene quantum dot hybrids as a robust nonenzymatic catalyst for visual discrimination of phenylenediamine isomers

Bingfang Shi、Yubin Su、Liangliang Zhang 等 6 位作者2016-01-01Nanoscale

In this work, we report a reducing agent-free strategy for the synthesis of Fe3O4 nanoparticle/nitrogen-doped graphene quantum dot (Fe3O4/N-GQD) hybrids, and constructed a sensing platform based on Fe3O4/N-GQDs for the visual discrimination of phenylenediamine isomers. Fe3O4/N-GQDs were facilely prepared by hydrotherm…

Carbon and Quantum Dots ApplicationsNanocluster Synthesis and ApplicationsAdvanced Nanomaterials in Catalysis

Passivated ambipolar black phosphorus transistors

Dewu Yue、Daeyeong Lee、Young Dae Jang 等 7 位作者2016-01-01Nanoscale

We report the first air-passivated ambipolar BP transistor formed by applying benzyl viologen, which serves as a surface charge transfer donor for BP flakes. The passivated BP devices exhibit excellent stability under both an ambient atmosphere and vacuum; their transistor performance is maintained semi-permanently. U…

GaN-based semiconductor devices and materialsPerovskite Materials and Applications2D Materials and Applications

A multifunctional poly(curcumin) nanomedicine for dual-modal targeted delivery, intracellular responsive release, dual-drug treatment and imaging of multidrug resistant cancer cells

Jining Wang、Feihu Wang、Fangzhou Li 等 7 位作者2016-01-01Journal of Materials Chemistry B

QD) and combined PTX-curcumin dual-drug treatment, allowing for overcoming drug resistance mechanisms of model multidrug resistant breast cancer cells (MCF-7/ADR). The PTX/MNPs/QDs@Biotin-PEG-PCDA nanoparticles are highly stable under physiological conditions, but are quickly disassembled to release their drug load in…

Nanoparticle-Based Drug DeliveryNanoplatforms for cancer theranosticsDendrimers and Hyperbranched Polymers

Influence of cobalt species on the catalytic performance of Co-N-C/SiO 2 for ethylbenzene oxidation

Congqiang Yang、Lingling Fu、Runliang Zhu 等 4 位作者2016-01-01Physical Chemistry Chemical Physics

In this paper, cobaltporphyrin is used as a precursor to synthesize carbon nitrides with metal active sites supported on silica spheres by heat treatment (i.e. M-N-C/SiO2). The catalytic performance of M-N-C/SiO2 for ethylbenzene oxidation has been investigated and techniques such as N2 adsorption/desorption isotherm,…

Electrocatalysts for Energy ConversionAdvanced Photocatalysis TechniquesCatalytic Processes in Materials Science

Ionothermal synthesis of microporous and mesoporous carbon aerogels from fructose as electrode materials for supercapacitors

Xiaoxiao Lin、Bin Tan、Peng Lu 等 5 位作者2016-01-01Journal of Materials Chemistry A

In the present work, a series of hierarchical porous carbon monoliths were prepared from fructose via a one-step ionothermal carbonization approach using an iron-based ionic liquid as solvent, and a porogenic agent.

Supercapacitor Materials and FabricationCatalysis for Biomass ConversionAerogels and thermal insulation

Synthesis and Characterization of Monometallic (Ag, Cu) and Bimetallic Ag-Cu Particles for Antibacterial and Antifungal Applications

Marta Paszkiewicz‐Gawron、Anna Gołąbiewska、Łukasz Rajski 等 6 位作者2016-01-01Journal of Nanomaterials

In this paper, the experimental studies are concerned with the effect of the synthesis parameters on the formation of monometallic Ag and Cu nanoparticles (NPs). We consider the synthesis strategies verification for the bimetallic core-shell and alloy particles preparation. It was successfully obtained by chemical red…

Nanoparticles: synthesis and applicationsGold and Silver Nanoparticles Synthesis and ApplicationsLaser-Ablation Synthesis of Nanoparticles

Structure and luminescence properties of Eu 2+ doped Lu x Sr 2−x SiN x O 4−x phosphors evolved from chemical unit cosubstitution

Zhiguo Xia、Shihai Miao、Мaxim S. Моlokeev 等 5 位作者2016-01-01Journal of Materials Chemistry C

The chemical unit cosubstitution of [Lu 3+ –N 3− ] for [Sr 2+ –O 2− ] in Sr 2 SiO 4 :Eu 2+ has been studied, and photoluminescence tuning is realized.

Luminescence Properties of Advanced MaterialsMicrowave Dielectric Ceramics SynthesisNuclear materials and radiation effects

Shape matters when engineering mesoporous silica-based nanomedicines

Nanjing Hao、Laifeng Li、Fangqiong Tang2016-01-01Biomaterials Science

Mesoporous silica nanomaterials have been successfully employed in the development of novel carriers for drug delivery. Numerous studies have been reported on engineering mesoporous silica-based carriers for drug loading, release, cellular uptake, and biocompatibility. A number of design parameters that govern the in…

Nanoparticle-Based Drug DeliveryMesoporous Materials and CatalysisLayered Double Hydroxides Synthesis and Applications

Simultaneous enhancement of magnetic and ferroelectric properties in Dy and Cr co-doped BiFeO 3 nanoparticles

Weiwei Mao、Xing-Fu Wang、Liang Chu 等 9 位作者2016-01-01Physical Chemistry Chemical Physics

Multiferroic BiFeO3 (BFO), Bi0.95Dy0.05FeO3 and Bi0.95Dy0.05Fe0.95Cr0.05O3 samples were successfully synthesized by a carbon microsphere-assisted sol-gel (CSG) method. X-ray diffraction analysis confirmed a lattice distortion from a rhombohedral structure to a tetragonal structure upon doping Dy and Cr in BFO. The mor…

Ferroelectric and Piezoelectric MaterialsMultiferroics and related materialsDielectric properties of ceramics

Chain conformation-dependent thermal conductivity of amorphous polymer blends: the impact of inter- and intra-chain interactions

Xingfei Wei、Teng Zhang、Tengfei Luo2016-01-01Physical Chemistry Chemical Physics

Polymers with high thermal conductivities are of great interest for both scientific research and industrial applications. In this study, model amorphous polymer blends are studied using molecular dynamics simulations. We have examined the effects of inter- and intra-chain interactions on the molecular-level conformati…

Carbon Nanotubes in CompositesGraphene research and applicationsThermal properties of materials

Basic Principles and Practical Applications of the Cahn–Hilliard Equation

Junseok Kim、Seunggyu Lee、Yongho Choi 等 5 位作者2016-01-01Mathematical Problems in Engineering

The celebrated Cahn–Hilliard (CH) equation was proposed to model the process of phase separation in binary alloys by Cahn and Hilliard. Since then the equation has been extended to a variety of chemical, physical, biological, and other engineering fields such as spinodal decomposition, diblock copolymer, image inpaint…

Aluminum Alloy Microstructure PropertiesSolidification and crystal growth phenomenananoparticles nucleation surface interactions

Improved electromagnetic wave absorption of Co nanoparticles decorated carbon nanotubes derived from synergistic magnetic and dielectric losses

Nannan Wu、Hailong Lv、Jiurong Liu 等 6 位作者2016-01-01Physical Chemistry Chemical Physics

In this study, we report a feasible way to synthesize carbon nanotube nanocomposites deposited with cobalt nanoparticles (20-30 nm) on the surface (Co/CNTs) to serve as an electromagnetic (EM) wave absorption material. EM absorption measurements indicated that epoxy resin composites with 20 wt% Co/CNTs exhibited an ef…

Electromagnetic wave absorption materialsAdvanced Antenna and Metasurface TechnologiesDielectric materials and actuators

Cobalt( ii ) ions detection using carbon dots as an sensitive and selective fluorescent probe

Depeng Kong、Fanyong Yan、Ziyi Han 等 6 位作者2016-01-01RSC Advances

Carbon dots were explored for fluorescent detection of Co 2+ through metal–ligand interaction. Moreover, the quenched fluorescence can be turned on with the addition of biothiols, which demonstrates the possible mechanism.

Advanced biosensing and bioanalysis techniquesCarbon and Quantum Dots ApplicationsNanocluster Synthesis and Applications

Electrospun functionalized polyacrylonitrile–chitosan Bi-layer membranes for water filtration applications

Maziyar Makaremi、Chia Xin Lim、Pooria Pasbakhsh 等 7 位作者2016-01-01RSC Advances

The demand for clean drinking water is fundamental for human life and it has sparked immense interest in production of highly efficient filtration devices which employ advanced functional nanosized materials such as nanofibers.

Membrane Separation TechnologiesAdvanced Sensor and Energy Harvesting MaterialsElectrospun Nanofibers in Biomedical Applications

Can biochar increase the bioavailability of phosphorus?

Qinhua Shen、M. J. Hedley、Marta Camps Arbestain 等 4 位作者2016-01-01Journal of soil science and plant nutrition

A large proportion of phosphate (P) fertilizer applied to Andosols reacts with reactive aluminum (Al) and iron (Fe) to become unavailable for plant uptake.We investigated whether biochar could enhance plant growth by (i) mobilizing soil P through changing soil pH or facilitating the growth of arbuscular mycorrhizal fu…

Soil Carbon and Nitrogen DynamicsClay minerals and soil interactionsPhosphorus and nutrient management

Phenylmaleimide-containing PET-based copolyester: cross-linking from 2π + π cycloaddition toward flame retardance and anti-dripping

Xue Dong、Li Chen、Rong-Tao Duan 等 4 位作者2016-01-01Polymer Chemistry

During combustion, 2π + π cycloaddition between phenylmaleimide moieties occurred as cross-linking reaction, which enhanced the char yield to achieve flame retardance and anti-dripping of the copolyester.

Flame retardant materials and propertiesCarbon dioxide utilization in catalysisSynthesis and properties of polymers

Biointeractions of ultrasmall glutathione-coated gold nanoparticles: effect of small size variations

Alioscka A. Sousa、Sergio A. Hassan、Luiza L. Knittel 等 8 位作者2016-01-01Nanoscale

Recent in vivo studies have established ultrasmall (<3 nm) gold nanoparticles coated with glutathione (AuGSH) as a promising platform for applications in nanomedicine. However, systematic in vitro investigations to gain a more fundamental understanding of the particles' biointeractions are still lacking. Herein we exa…

Nanoparticle-Based Drug DeliveryGold and Silver Nanoparticles Synthesis and ApplicationsNanocluster Synthesis and Applications