A multifunctional theranostic platform based on photosensitizer-loaded plasmonic vesicular assemblies of gold nanoparticles (GNPs) is developed for effective cancer imaging and treatment. The vesicles (GVs) composed a monolayer assembled GNPs show strong absorbance in the near-infrared (NIR) range 650-800 nm, as result coupling effect between neighboring membranes. NIR absorption capability encapsulating photosensitizer Ce6 GVs enable trimodality fluorescence/thermal/photoacoustic...

Chlorin e6 conjugated gold nanostars (GNS-PEG-Ce6) are used to perform simultaneous photodynamic/plasmonic photothermal therapy (PDT/PPTT) upon single laser irradiation. The early-phase PDT effect is coordinated with the late-phase PPTT obtain synergistic anticancer efficiency. prepared GNS-PEG-Ce6 shows excellent water dispersibility, good biocompatibility, enhanced cellular uptake and remarkable efficiency irradiation in vivo.

Nonfouling materials are of great importance for numerous applications. A simple method is introduced to prepare nonfouling and surfaces (see figure) with unique properties from a variety desirable functional groups. Materials uniform distribution mixed charged groups at the nanometer scale, similar zwitterionic materials, excellent candidates use as materials.

Three-dimensional carbon fiber electrodes prepared by electrospinning and solution blowing are shown to be excellent electrode materials for bioelectrochemical systems such as microbial fuel cells or electrolysis cells. The bioelectrocatalytic anode current density is reach values of up 30 A m−2, which represents the highest reported electroactive biofilms.

Commonly, commercially available carbon foam derived from polymers shows brittle characteristics. In this paper, the concept of preparing an elastic via direct carbonization a polymer is presented. A novel with 3D interconnected network was prepared by melamine foam. The as-prepared exhibited characteristics including excellent elasticity, extremely high porosity over 99.6%, being lightweight density 5 mg cm−3, specific surface area, tailored electrical conductivity, super-hydrophobicity and...

A simple and industrially scalable approach to prepare porous carbon (PC) with high surface areas as well abundant nitrogen element anode supporting materials for lithium-ion batteries (LIBs) was developed. Herein, the N-doped PC prepared by carbonizing crawfish shell, which is a kind of food waste marine chitin naturally structure. The structure can be kept form in pyrolysis process. PC-Co3O4 nanocomposites were synthesized loading Co3O4 on LIBs. resulting release an initial discharge 1223...

A three-dimensional (3D) macroporous carbon (3D-KSCs) derived from kenaf stem (KS) is proposed as a novel supporting material for electrochemical sensing and biosensing platform. series of 3D-KSCs/inorganic nanocomposites such Prussian blue (PB) nanoparticles (NPs)-carboxylic group-functionalized 3D-KSCs (PBNPs-3D-FKSCs), CuNiNPs-3D-KSCs, CoNPs-3D-KSCs were prepared by facile two-step route consisting carbonization subsequent chemical synthesis or one-step KS-metal ion complex. The obtained...

Growing concern regarding the impact of fossil fuels has led to demands for development green and renewable materials advanced electrochemical energy storage devices. Biopolymers with unique hierarchical structures physicochemical properties, serving as an appealing platform advancement sustainable energy, have found widespread application in gel electrolytes supercapacitors. In this Review, we outline structure characteristics various biopolymers, discuss proposed mechanisms assess...

Rechargeable Zn–Air Batteries In article number 2400181, Yang Huang, Minshen Zhu, Shuiliang Chen, and co-workers develop a 3D Fe–Se@N-CNTs catalyst with monodispersed FeSe2 nanoparticles in nitrogen-doped carbon nanotubes, showing excellent ORR/OER activity stability. This advanced non-noble metal allows for zinc–air batteries to achieve high power density, efficiency, extended cycling

Nylon-4,6 nanofibres with diameters ranging from about 1 µm down to nm were prepared by electrospinning. The fibre diameter was varied adjusting the concentration of polymer solution. Electrospinning a concentrated solution as high 20% nylon-4,6 weight in formic acid produced ribbon-like electrospun ribbon width 850 nm. A semi-dilute 2% thinnest 1.6 or less. small amount pyridine added electrospinning avoid formation beaded course at low concentrations. Scanning and transmission electron...

The future success of microbial bioelectrochemical systems like fuel cells inevitably depends on the increase their performance at decreasing material costs. One key elements and a research priority is biofuel cell anode. Here we propose layered corrugated carbon (LCC) as an inexpensive but high electrode produced from carbonization one most abundant packing materials our society: cardboard. In base configuration layer projected current density LCC already reaches 70 A m−2. Increasing number...

Hybrid carbon nanofibers containing multiwalled nanotubes (CNTs) were produced by electrospinning CNTs suspended in a solution of polyacrylonitrile N,N-dimethylformamide, followed carbonization and activation using hydroperoxide–water steam mixture at 650 °C. Transmission electron microscopy scanning used to observe the morphology CNT-embedded nanofibers. The specific surface area was measured Brunauer–Emmett–Teller method. electrochemical properties characterized cyclic voltammetry...

Long, ordered and needle-like polyaniline (PANI) nanowires were grown on graphitized electrospun carbon fibers (GECFs) to prepare PANI/GECF composite cloths as electrode material for supercapacitors. The flexible showed three-dimensional (3D) hierarchical micro/nano-architecture directly made into electrodes without any conductive additives binders. results of electrochemical tests indicated that not only displayed a high specific capacitance 976.5 F g−1 at the current density 0.4 A g−1,...

Top of the crops: The direct use a natural three-dimensional (3D) architecture in microbial fuel cells (MFCs) is reported for first time. Stems from crop plant kenaf (Hibiscus cannabinus) are carbonized and used as anode material MFCs. current density generated by carbon comparable to that other 3D anodes prepared methods. renewable low-cost characteristics this provide an excellent basis large-scale application bioelectrochemcial systems.

Template-driven strategy is widely explored for the synthesis of nano/micro materials. Of all templates studied, naturally occurring biological systems such as proteins, viruses and bacteria have attracted more attention due to prolific sources complex structural diversities. Herein, we report a simple templated silver microspheres over bottom-up controlled route. These as-prepared not only narrow size distribution but possess hollow porous structures. Surface enhanced Raman scattering...

Sub-nanometer materials have received wide attention due to their unique properties in recent years. Most studies focus on the preparation and investigation of inorganic sub-nanometer materials, while there are few reports organic especially polymeric such as fiber obstacles with respect fabricating small nanofibers. In this work we prepare PAA nanofibers diameters ranging from hundreds nanometers down via electrospinning a polyamic acid (PAA) ultrahigh molecular weight. The morphologies...

A novel nonenzymatic glucose sensor was constructed based on rGO supported Pt–NiO nanoplate arrays through a simple one-step synthesis.

Supercapacitors are considered as potential innovation for energy storage owing to their long charge–discharge life and high power density. Herein, a simple industry-scalable approach was developed prepare the hybrid of Fe3O4-doped porous carbon nanorods (Fe3O4-DCN) supported by three-dimensional (3D) kenaf stem-derived macroporous (KSPC) high-performance supercapacitor, which prepared via pyrolyzing iron fumarate metal organic frameworks (MIL-88A, MIL stands Materials from Institut...

Abstract Microbial fuel cells (MFCs) are environmentally friendly technology capable of extracting electrical energy from organic contaminants in wastewaters. The cathodic reaction limits the performance MFCs. An oxygen reduction (ORR) catalyst is generally used for cathode to reduce overpotential and obtain more energy. Through surveying abiotic catalysts MFCs, this review introduces ORR catalysis mechanism, influencing factors performance, provides outlooks on further applications catalysts.

In this paper, we report a reticulated carbon foam prepared by direct carbonization of the sponge-like natural product Pomelo peel, and its application as an anode in microbial fuel cells (MFCs). Electrochemical measurements show that generates high projected current density over 4.0 mA cm−2 volumetric 18.7 cm−3, which is five times commercial Reticulated Vitreous Carbon Foam (RVC) 2.5 graphite felts with similar electrode size. The could be attributed to wrinkled surface, large pore size...