DNA-binding proteins are vital for the study of cellular processes. In recent genome engineering studies, identification with certain functions has become increasingly important and needs to be performed rapidly efficiently. previous years, several approaches have been developed improve proteins. However, currently available resources insufficient accurately identify these Because this, research limited by relatively unbalanced accuracy rate low success current methods. this paper, we...

Humidity-responsive polymeric actuators have gained considerable interest due to their great potential in the fields including soft robotics, artificial muscles, smart sensors, and actuators. However, most of them can only exhibit invariable shape changes, which severely restricts further exploration practical use. Herein, we report that programmable humidity-responsive actuating behaviors be realized by introducing photoprogrammable hygroscopic patterns into memory polymers....

Crosslinked P(MMA-BA)–CNTs shape memory composites prepared by ultrasound assisted in situ polymerization, have both relatively high electrical conductivities and good properties. Electrical resistance heating was used as a trigger to realize the spatial temporal control of process obtain multiple shapes selecting place where voltage applied or switching power on/off.

Most humidity-responsive polymeric actuators can only exhibit shape transformations between a planar in the dry state and bended three-dimensional (3D) when exposed to moisture, it is challenging design prepare hygroscopic with programmable actuating behaviors displayed from sophisticated 3D structures. Herein, we demonstrate that integration of memory property surface treatment enabled hygromorphic responsivity endows single-component polymer film moisture-driven behaviors. The...

Abstract Magnetic hydrogel actuators are developed by incorporating magnetic fillers into the matrix. Regulating distribution of these is key to exhibited functionalities but still challenging. Here a facile way spatially synthesize ferrosoferric oxide (Fe 3 O 4 ) microparticles in situ thermal‐responsive reported. This method involves photo‐reduction Fe 3+ ions coordinated with carboxylate groups polymer chains, and hydrolytic reaction reduced 2+ residual ions. By controlling irradiation...

Thermal-responsive hydrogel actuators have aroused a wide scope of research interest and been extensively studied. However, their actuating behaviors are usually monotonous due to unchangeable shapes structures. Here, we report thermal-responsive poly(isopropylacrylamide-co-2-(dimethylamino)ethyl methacrylate)/alginate hydrogels with programmable external internal trajectories. The volume phase transition temperatures the resulting can be tuned in temperature range from 32 above 50 °C by...

Abstract Developing wound dressings that have strong adhesion strength without causing any conglutination to the site is still challenging. Herein, proposed zwitterionic shape memory polymers can be applied as promising candidates for dressing. Sulfobetaine methacrylate (SBMA) copolymerized with 2,3‐dihydroxypropyl (DHMA) in presence of boric acid a cross‐linking agent. The prepared material exhibits multi‐stimuli responsive behaviors: it rapidly return its initial upon heating 90 °C, and...

Magneto-driven soft robots featuring remote and highly permeable controllability are considered promising, especially in biomedical engineering applications. However, there is still lack of a high-precision method to regulate the distribution magnetic fillers polymer substrates, which severely limits improvement actuating functionality. This work provides photo-regulatable develop with locally distributed Fe3O4 nanoparticles. Solvent-casted polyvinyl alcohol/sodium carboxymethyl cellulose...

Although shape-memory polymers (SMPs) can alter their shapes upon stimulation of environmental signals, complex shape transformations are usually realized by using advanced processing technologies (four-dimensional printing) and complicated polymer structure design or localized activation. Herein, we demonstrate that stepwise controlled be obtained from a single flat piece SMP uniform heating. The blends prepared solution casting poly(ethylene oxide) poly(acrylic acid) (PAA) exhibit...

An extendable double network design for hydrogels with programmable external geometries and actuating trajectories is presented. Chemically cross-linked polyacrylamide as the first penetrated linear alginate chains prepared demonstration. The coordination of Fe3+ ions carboxylate groups in acts second network, its dissociation through photoreduction utilized to realize photoresponsive shape memory property; fixity ratio recovery both exceed 90%. gradient Fe3+-carboxylate under UV facilitates...

Water-soluble copolymers display both UCST and LCST thermosensitivity in aqueous solution due to pH-determined hydrogen bonding between comonomer units, their hydrogels can be used for information recording encryption/decryption.

Conjugated polymers are commonly adopted to develop electro- and photoresponsive materials due their superior electronic conductivity phototothermal convertibility. However, they usually homogeneously polymerized within the network, which makes functionalities challenging spatiotemporally modulate. In this work, we report a convenient extensible method polypyrrole patterns in thermally responsive sodium alginate/poly(N-isopropylacrylamide) hydrogel. The pattern is developed by spatial...

Hydrogel actuators have gained considerable interest and experienced significant advancements in recent years. However, the programming of their actuating behaviors is still challenging. Herein, we report development regulation gradient structures hydrogels for programmable thermally responsive behaviors. The hydrogel are developed by controlling photoreduction Fe3+ ions coordinated with carboxylate groups from substrates limited diffusion into precursor solutions to act as both initiators...

Abstract In this study, we presented a one‐step melt‐blending method to fabricate polypropylene (PP)/polycarbonate (PC) light‐diffusing materials. A promising balance between haze and transmittance was obtained by the addition of small amount PC matrix. On basis Mie scattering theory morphology analysis, correlation processing conditions properties built. Low rotor speed high viscosity ratio were beneficial optical PP/PC composites. To extend advanced application, two general...

The first Corex C3000 unit has been built at Baoshan Iron and Steel Corporation, China, some improvements compared with C2000 have made. On the basis of material heat balances, an analysis energy consumption in smelting reduction process was conducted calculated lump ore pellets, coal rate, oxygen are target values C3000. Regarding balance calculation, main factors affecting analysed, effective utilization sensible top gas molten slag, as well calorific export can be considered to realize...

Abstract Hydrogels are promising materials for biomedical uses, but they usually lack the ability to encapsulate hydrophobic drugs with proper drug‐releasing stimulating method. Here a composite hydrogel ultrasound controllable drug release behavior is reported, drug‐loaded silicone oil were dispersed in poly(vinyl alcohol) as microdroplets, which not only act reservoirs also notably enhance toughness of hydrogel. Ultrasound used trigger from hydrogel, high on–off ratios obtained surveyed...