Abstract Nature provides much inspiration for developing soft millirobots. However, compared with smart and adaptations of lives in nature, these robotic systems still suffer from insufficiency intelligence. Here, a new untethered millirobot magnetic actuation the head function tail is presented via implementing control, actuation, sensing directly materials, thereby endowing robots multimodal locomotion environment‐adaptive functions. Due to asymmetric structure, not only shows robust...

Abstract Rapid formation of a confluent endothelial monolayer is the key to success small‐diameter vascular grafts, which significantly important for treating dangerous and even sometimes deadly disorders. However, difficulty homogenously locate cells onto lumen tubular scaffolds makes 3D endothelialization greatly challenging. Here, novel shape‐morphing enabling programmed deformation from planar shapes are designed developed by combining biocompatible shape memory polymer electrospun...

Slippery lubricant-infused porous (SLIPS) and superhydrophobic surfaces have emerged as promising interfacial materials for various applications such self-cleaning, anti-icing, antifouling. Paradoxically, the coverage/screening of lubricant layer on underlying rough matrix endows functionalities impossible surfaces; however, inherent flexibility in programming droplet manipulation through tailoring structure or surface charge gradient is compromised. Here, we develop a class slippery...

Fatal extraction: The Hofmeister bias for sulfate ions in aqueous environments can be overcome by using a tripodal hexaurea receptor (L) that completely encapsulates the ion complementary cavity protected hydrophobic aromatic rings (see picture; C gray, N blue, O red, S yellow). Almost quantitative extraction of from an to organic phase is achieved when this used as liquid–liquid extractant.

Biological systems contain various amazing examples that can display adaptive and active behaviors in response to external stimuli.

The performance of bone tissue engineering scaffolds can be assessed through cell responses to scaffolds, including attachment, infiltration, morphogenesis, proliferation, differentiation, etc, which are determined or heavily influenced by the composition, structure, mechanical properties, and biological properties (e.g. osteoconductivity osteoinductivity) scaffolds. Although some promising 3D printing techniques such as fused deposition modeling selective laser sintering could employed...

While scaffold-based tissue engineering has been widely used to treat bone critical-size defects, challenges such as implantation of scaffolds in defects with irregular shapes and through minimally invasive surgery remain the field. Customized bioactive reconfigurable capability for both easy scaffold perfect shape fitting irregularly shaped are therefore needed. Herein, applying 4D printing, photothermal-responsive memory constructed by incorporating black phosphorus nanosheets osteogenic...

Shape-memory-polymer-based photonic crystals can be precisely programmed by a NIR laser at the nanoscale, resulting in multi-color writing and copying capabilities.

Since its introduction by the National Cryptography Administration in 2016, SM9 algorithm has encountered various opportunities and challenges. This study introduces a refined bottom-up modular framework, resulting more systematic comprehensible structure with standardized naming conventions clear module component descriptions. At same time, we have proposed comprehensive optimization scheme for bilinear pairing, optimizing internal calculation process improving usability efficiency of...

A fully complementary tris(urea) receptor for phosphate and sulfate anions has been developed by mimicking the scaffold of terpyridine which shows very high affinities selectivities toward tetrahedral anions.

Abstract Effective contact between flexible electronics and soft biological tissues, which may have different surface curvatures, for medical applications has long been a challenge. Here, this study reports strategy preparing shape‐adaptable 3D by combining photothermally responsive poly( N ‐isopropylacrylamide)/gold nanorods (PNIPAM@AuNRs) composite hydrogels with conventional microelectrode arrays (fMEAs). The fMEAs‐functionalized are can accommodate geometries. Triggered remotely in...

Shape morphing is a critical aptitude for the survival of organisms and determined by anisotropic tissue composition directional orientation micro- nanostructures within cell walls, resulting in different swelling behaviors. Recent efforts have been dedicated to mimicking behaviors that nature has perfected over billions years. We present robust strategy preparing 3D periodically patterned single-component sodium alginate hydrogel sheets cross-linked with Ca2+ ions, which can reversibly...

A structurally coloured contact lens sensor has been developed for point-of-care diagnosis of eye diseases.

Shape memory polymer-based microarray with tunable wettability is fabricated, which can be employed as a smart mold for microstructure replications.

Abstract Most of the current concepts for a visual prosthesis are based on neuronal electric stimulation. However, existing prostheses confront several challenges in electrodes that limit effectiveness First, there is an inherent conflict between needs minimally invasive implantation minimizing traumas and requirements implanted with large areas obtaining wide field high‐resolution vision. Second, mechanical geometrical mismatches retina tissues also affect To address these challenges,...

(1) Background: With the aging demographic shift in society, there is a growing number of middle-aged and elderly individuals affected by metabolic syndrome (MetS), risk factor contributing to all causes mortality. Inflammation plays crucial role development MetS. This study aims examine correlation between MetS pro-inflammatory diets individuals, utilizing Dietary Index (DII) as measure. (2) Methods: Data were extracted from 2007–2016 National Health Nutrition Examination Survey (NHANES)...

Small-scale magnetic robots with fixed magnetizations have limited locomotion modes, restricting their applications in complex environments vivo. Here we present a morphology-reconfigurable millirobot that can switch the modes locally by reprogramming its during navigation, response to distinct field patterns. By continuously switching between high-velocity rigid motion and high-adaptability soft actuation, efficiently navigates small lumens intricate internal structures surface...

Electrospun fibrous scaffolds have been extensively used as cell-supporting matrices or delivery vehicles for various biomolecules in tissue engineering. Biodegradable with tunable degradation behaviors are favorable resorbable replacements. In nerve engineering, of growth factors (GFs) such factor (NGF) and glial cell line-derived neurotrophic (GDNF) from can be to promote peripheral repair. this study, using the established dual-source dual-power electrospinning technique, bicomponent...

The formation of complete and well-functioning endothelium is critical for the success tissue-engineered vascular grafts yet remaining a fundamental challenge. Endothelium remodeling onto lumen affected by their topographical, mechanical, biochemical characteristics. For meeting multiple requirements, composite strategies have recently emerged fabricating hybrid scaffolds, where integrated properties are tuned varying compositions. However, underlying principle how scaffolds regulate remains...

Endothelialization is of great significance for vascular remodeling, as well the success implanted grafts/stents in cardiovascular disease treatment. However, desirable endothelialization on synthetic biomaterials remains greatly challenging owing to extreme difficulty offering dynamic guidance endothelial cell (EC) functions resembling native extracellular matrix-mediated effects. Here, we demonstrate a bilayer platform with near-infrared-triggered transformable topographies, which can...