Excessive sweat secreted from the skin often causes undesired adhesion wetted textiles and cold sensations. Traditional hydrophilic such as cotton can absorb but retain it. A hydrophobic/superhydrophilic Janus polyester/nitrocellulose textile embedded with a conical micropore array inner surface that achieve directional liquid transport (with an ultrahigh water capability of 1246%) maintain human body temperature (2-3 °C higher than textiles) is demonstrated. When hydrophobic polyester layer...

Abstract In nature, many organisms are able to accommodate a complex living environment by developing biological wet adhesive surfaces with unique functions such as fixation and predation. Significantly, most of these outstanding originate from the specialized micro/nanostructures and/or chemical components natural organisms. To design artificial remarkable properties, underlying mechanisms fascinating adhesion phenomena further explored summarized provide continuous inspiration. Herein,...

Abstract Viscous biofluids on wounds challenge conventional “water‐absorbing” wound dressings in efficient drainage due to their poor fluidity, generally causing prolonged inflammation, anti‐angiogenesis, and delayed closure. Herein, it is reported that a self‐pumping organohydrogel dressing (SPD) with aligned hydrated hydrogel channels, prepared by three‐dimensional‐templated wetting‐enabled‐transfer (3D‐WET) polymerization process, can efficiently drain viscous fluids accelerate diabetic...

Abstract Conventional adhesives often encounter interfacial failure in humid conditions due to small droplets of water condensed on surface, but spider silks can capture prey such environment. Here a robust spider‐silk‐inspired wet adhesive (SA) composed core–sheath nanostructured fibers with hygroscopic nanosheath (poly(vinylpyrrolidone)) and supporting nanocore (polyurethane) is reported. The adhesion the SA achieved by unique dissolving–wetting–adhering process fibers, revealed situ...

Underwater superoleophobic surfaces featuring anti-oil-fouling properties are of great significance in widespread fields. However, their complicated engineering process and weak interfacial adhesion strength with underlying substrates severely hamper these ideal toward practical applications. Here, a moss-inspired sticky-slippy skin composed layered organohydrogel is reported through one-step wetting-enabled-transfer (WET) strategy, which unprecedentedly integrates robust inherent durable...

Fluorescent biosensors have been widely applied in DNA detection because of their reliability and reproducibility. However, low kinetics hybridization often brings out long test terms, thus restricting practical use. Here, we demonstrate unexpected fast fluorescence on the confined surface hydrogel particles. When pore size charge particles are tailored, molecules can be outer water layer We fabricated a fluorescence-on sensor based particle array by utilizing quenching property graphene...

Abstract Diabetic wounds have imposed a significant burden on both patients and society with prolonged healing processes hindered by dysfunctional skin repair cells. Small extracellular vesicles (sEVs), as the important media for intercellular communications, show promising therapeutic potential in treating diabetic restoring cellular functions. However, low yields limited bio‐function of sEVs greatly challenge their large‐scale clinical use. Here, we briefly overview biogenesis uptake sEVs,...

Abstract With the aging and obesity era, increasing incidence of diabetes diabetic complications, especially non‐healing wounds, imposes a serious economic burden on both patients society. The complex microenvironments, including hyperglycemia, bacterial infection, ischemia, nerve damage, lead to prolonged inflammation proliferation phase wounds. Mesenchymal stem cell‐derived small extracellular vesicles (MSC‐sEVs), which contain rich variety therapeutic molecules, have been chased for...

Wearable devices have attracted a lot of attention because their importance in the biomedical and electronic fields. However, as one important fixing materials, skin adhesives with controlled adhesion are often ignored. Although remarkable progress has been achieved revealing natural mechanism biomimetic materials to complex solid surfaces, it remains great challenge explore nonirritant, without surface structure. Herein, we present skin-adhesive patches polydimethylsiloxanes (SAPs) by...

Abstract The ability to manipulate water and oil phases in a designable manner is of great significance widespread fields from art paintings materials science. However, achieving precise stable surface patterns for two immiscible remains challenge. Herein, general wetting‐enabled‐transfer (WET) strategy reported construct discretionary shape‐defined organohydrogels along with their monolithic formation either flat curved surfaces or the microscale macroscale. Locally differentiated...

With the ever-growing demands of real-world and flourishing development biomimetics, bioinspired structural adhesives have drawn much attention ushered in tremendous progress past several decades. Those delicate adhesive structures natural organisms provide inexhaustible inspiration for design artificial adhesives, some which been extensively applied biomedicine, underwater manipulation, wearable devices. However, state-of-the-art are still far inferior to their counterparts many aspects,...

Abstract Janus films with asymmetric properties on opposite sides have been widely used to facilitate energy storage, ion transport, nanofiltration, and responsive bending. However, studies rarely involve controlling surface adhesion, either dry or wet adhesion. Herein, we report adhesive tape an asymmetrically crosslinked polydimethylsiloxane (PDMS) network prepared through interfacial hydrosilylation strategy, realizing wet/dry amphibious adhesion various solid surfaces. The lightly side...

Droplet arrays show great significance in biosensing and biodetection because of low sample consumption easy operation. However, inevitable water evaporation open environment severely limits their applications time-consuming reactions. Herein, inspired by the unique retention features leaves, it is demonstrated that an droplet array on patterned organohydrogel surface with evaporating replenishment (POWER) for ultrawide time-range biosensing, which integrated hydrophilic hydrogel domains...

As an unparalleled bonding technology, adhesives have been widely used in the fields of tissue repair, wearable devices, and cold-supply chain. In Nature, many organisms evolved to accommodate their complex habitats such as humid or underwater environments adhere on diverse surfaces. Spider silk, a typical natural adhesive, provides continuous inspiration design artificial adhesive materials toward numerous adhesion applications. this Review, we first overview intrinsic property spider silks...

Functional hydrogel coatings can endow the underlying substrate with excellent surface properties such as anti‐fouling, anti‐fogging, anti‐bacterial, anti‐abrasion, lubrication, and controllable drug delivery, while hardly changing mechanical of substrate. Through elaborate interface engineering, high interfacial toughness thickness have been successfully constructed on different surfaces for widespread applications. In this review, we present a comprehensive overview current research...

Surface adhesion has a great contradiction in high strength and good reversibility given their mutually exclusive requirements of fixed crosslinked networks dynamic chain motion. Herein, we demonstrate supramolecular organoplatinum(II) adhesive system regulated by intermolecular PtII ⋅⋅⋅PtII interactions that can simultaneously achieve high-strength excellent reversible to various substrates. Upon alternating temperature, the assembly suitably substituted molecules switch between...

Abstract Superhydrophobic surfaces with the “lotus effect” have wide applications in daily life and industry, such as self‐cleaning, anti‐freezing, anti‐corrosion. However, it is difficult to reliably predict whether a designed superhydrophobic surface has by traditional theoretical models due complex topographies. Here, reliable machine learning (ML) model accurately of solid designing set descriptors about nano‐scale roughness micro‐scale topographies addition hydrophobic modification...

Anti-dehydration hydrogels have attracted considerable attention due to their promising applications in stretchable sensors, flexible electronics, and soft robots. However, anti-dehydration prepared by conventional strategies inevitably depend on additional chemicals or suffer from cumbersome preparation processes. Here, inspired the succulent Fenestraria aurantiaca a one-step wetting-enabled three-dimensional interfacial polymerization (WET-DIP) strategy for constructing organogel-sealed is...

Excessive exudate secreted from diabetic wounds often results in skin overhydration, severe infections, and secondary damage upon dressing changes. However, conventional wound dressings are difficult to synchronously realize the non-maceration of sites rapid transport due their random porous structure. Herein, a self-pumping Janus hydrogel with aligned channels (JHA) composed hydrophilic poly (ethylene glycol) diacrylate (PEGDA) layer hydrophobic polyurethane (PU)/graphene oxide...