A facile synthesis of mesoporous films impregnated with Au nanoparticles as effective dielectrics for enhancing the TENG's performance based on vertical contact-separation mode is demonstrated.

Highly stretchable 2D fabrics are prepared by weaving fibers for a fabric-structured triboelectric nanogenerator (FTENG). The mainly consist of Al wires and polydimethylsiloxane (PDMS) tubes with high-aspect-ratio nanotextured surface vertically aligned nanowires. were produced interlacing the fibers, which was bonded to waterproof fabric all-weather use It showed stable high-output voltage current 40 V 210 μA, corresponding an instantaneous power output 4 mW. FTENG also exhibits high...

We introduce an emulsification technique that creates monodisperse double-emulsion drops with a core-shell geometry having ultra-thin wall as middle layer. create biphasic flow in microfluidic capillary device by forming sheath consisting of thin layer fluid high affinity to the flowing along inner capillary, surrounding innermost fluid. This drops, using single-step emulsification, very shell. If shell is solidified, its thickness can be small hundred nanometres or even less. Despite this...

Long-term storage and controlled release of multiple components while avoiding cross-contamination have potentially important applications for pharmaceuticals cosmetics. Polymersomes are very promising delivery vehicles but cannot be used to encapsulate independent them in a manner. Here, we report microfluidic approach produce polymersomes, or polymersomes-in-polymersome by design, enabling encapsulation programmed components. Monodisperse polymersomes prepared from templates...

The barrier functions of the stratum corneum and epidermal layers present a tremendous challenge in achieving effective transdermal delivery drug molecules. Although few reports have shown that poly(amidoamine) (PAMAM) dendrimers are skin-penetration enhancers, little is known regarding fundamental mechanisms behind dendrimer-skin interactions. In this Article, we performed systematic study to better elucidate how interact with skin depending on their size surface groups. Franz diffusion...

Abstract Electronic skin (E‐skin) imitates human by converting external stimuli into electrical signals. E‐skin requires high flexibility and a level of device integration. Unlike conventional creation methods, highly sensitive pressure sensor matrix (100 pixels cm −2 ) made position‐registered elastic conductive microparticles (MPs) is created. The MPs form Schottky junction with the bottom electrode current through to pressure, forming simple one‐selector two‐terminal array. eliminates...

Cellulose nanofibrils (CNFs) present unique opportunities for rheology modification in complex fluids. Here we systematically consider the effect of ionic and non-ionic surfactants on dilute CNF suspensions. Neat suspensions are transparent yield-stress fluids which display strong shear thinning power-law dependence modulus concentration, G' ∼ c(2.1). Surfactant addition below a critical mass concentration cc produces an increase gel with retention optical clarity. Larger than concentrations...

Intense interest has been shown in the development of "smart nanofluids" because they can dramatically change their flow properties complex fluid systems. We introduce a robust and straightforward approach to develop smart nanofluid system, which associative silica nanoparticles (ASNPs) were incorporated regulate rock pores. ASNPs synthesized by covalently coating hydrophobically hygroscopic zwitterionic poly[2-methacryloyloxyethyl phosphorylcholine (MPC)-co-divinylbenzene (DVB)] shell layer...

Abstract Due to the increasing interest in wearable devices, flexible and stretchable film heaters have been widely studied, as alternatives with conventional rigid shapes. Herein, a highly heater (SFH) based on silver nanowire (Ag NW)–single‐walled carbon nanotube composite thermochromic display polydimethylsiloxane (PDMS) substrate is successfully fabricated. The SFH shows excellent electrical conductivity, high mechanical stretchability, outstanding reliability, no significant degradation...

A microfluidic technique is described to encapsulate living cells in alginate hydrogel microparticles generated from monodisperse double-emulsion templates. microcapillary device used fabricate double emulsion templates composed of an drop surrounded by a mineral oil shell. Hydrogel formation begins when the separates shell and comes into contact with Ca(2+) ions continuous phase. Alginate diameters ranging 60 230 µm are obtained. 65% encapsulated were viable after one week. The provides...

This study reports a Pickering emulsion flooding system, in which the oil–water interface is structurally stabilized by complex colloidal layer consisting of silica nanoparticles, dodecyltrimethylammonium bromide (DTAB), and poly(4-styrenesulfonic acid-co-maleic acid) sodium salt (PSS-co-MA). The was generated adsorption PSS-co-MA on nanoparticles as result van der Waals attraction DTAB onto electrostatic attraction, thus providing mechanically robust, stable interface. To demonstrate...

Abstract Capillary microfluidic devices are used to prepare monodisperse polymersomes consisting of a hydrogel core and bilayer membrane amphiphilic diblock‐copolymers. To make polymersomes, water‐in‐oil‐in‐water double‐emulsion drops prepared as templates through single‐step emulsification in capillary device. The amphiphile‐laden middle oil phase the drop dewets from surface innermost water drop, which contains prepolymers; this dewetting leads formation membrane. Subsequently, completely...

Affinity partitioning refers to the preferential dissolution of solute molecules in a particular liquid phase an immiscible liquid-liquid mixture, such as aqueous two-phase system (ATPS). ATPS is widely used achieve extraction and purification biomolecules. However, potential applying it direct self-assembly solutes into controlled structures has been largely overlooked. Here we introduce affinity polyelectrolytes induce their polyelectrolyte microcapsules. The approach purely based on...

Colloid surfactant catalysts are synthesized for the production of Pickering emulsion microreactors that exhibit outstanding catalytic activity and magnetic-responsive recovery performance.

Abstract Janus particles endowed with controlled anisotropies represent promising building blocks and assembly materials because of their asymmetric functionalities. Herein, we show that using the seeded monomer swelling polymerization technique allows us to obtain bi‐compartmentalized microparticles are generated depending on phase miscibility poly (alkyl acrylate) chains against polystyrene seed, thus minimizing interfacial free energy. When tetradecyl acrylate is used, complete...

Metal recovery from electronic waste and industrial wastewater has attracted increasing attention to recycle precious metals inhibit the emission of hazardous heavy metals. However, selective with a large quantity is still very challenging because contains variety different cations while metal ions are relatively scarce. Here, we introduce simple method selectively increase adsorption gold using tannin-coated porous polymer microspheres through photochemical reduction. Mesoporous...

Polymersomes, vesicles composed of bilayer membranes amphiphilic block-copolymers, are promising delivery vehicles for long-term storage and controlled release bioactives; enhanced stability the membrane makes polymersomes potentially useful in a wide range biological applications by comparison with liposomes. However, unilamellar structure is intrinsically fragile when subjected to external stress. Here, we report microfluidic approach produce double bilayers, providing higher lower...

The hydrophobic variants of the original MNG (MNG-3-C10) were evaluated with a few membrane proteins. optimal was variable for different proteins, indicative importance match/mismatch between detergent hydrophobicity and protein propensity to aggregate denature.

We herein propose a polymeric nanovehicle system that has the ability to remarkably improve cellular uptake and transdermal delivery. Cell-penetrating peptide-patchy deformable nanovehicles were fabricated by tailored coassembly of amphiphilic poly(ethylene oxide)-block-poly(ε-caprolactone) (PEO-b-PCL), mannosylerythritol lipid (MEL), YGRKKRRQRRR-cysteamine (TAT)-linked MEL. Using X-ray diffraction, differential scanning calorimetry, nuclear magnetic resonance analyses, we revealed...

We present a straightforward and robust method for the synthesis of Janus colloid surfactants with distinct amphiphilicity magnetic responsiveness. To this end, hydroxyl-functionalized amphiphilic microparticles (JMPs) are synthesized by seeded monomer swelling subsequent photopolymerization. By incorporating controlled amounts hydroxyl groups on poly(styrene-co-vinyl alcohol) seed particles, we adjust interfacial tension between polymer poly(tetradecyl acrylate) secondary (γ13). From...

Cellulose fibrils, unique plant-derived semicrystalline nanomaterials with exceptional mechanical properties, have significant potential for rheology modification of complex fluids due to their ability form a physically associated semiflexible fibrillary network. Here, we report new associative cellulose nanocrystals (ACNCs) stress-responsive rheological behaviors in an aqueous solution. The surface-mediated living radical polymerization was employed graft poly(stearyl...

There is an increasing demand for control over the dimensions and functions of transition metal dichalcogenides (TMDs) in aqueous solution toward biological medical applications. Herein, approach exfoliation functionalization TMDs water via modulation hydrophobic interaction between poly(ε-caprolactone)-b-poly(ethylene glycol) (PCL-b-PEG) basal planes reported. Decreasing PCL length PCL-b-PEG from 5000 g mol-1 (PCL5000 ) to 460 (PCL460 significantly increases efficiency TMD nanosheets...

Luteolin (3′,4′,5,7-tetrahydroxyflavone), a type of flavonoid found in medicinal herbs and vegetables, has been great interest due to its antioxidative, anti-inflammatory, anticarcinogenic effects. Despite these beneficial biological properties, the ease with which luteolin forms molecular crystals conventional aqueous formulations hampered much wider applications. In this study, we introduce an oil-in-water (O/W) nanoemulsion vehicle system for enhanced follicular delivery luteolin. The...