Healthcare
SAXS measurements of azobenzene lipid vesicles reveal buffer-dependent photoswitching and quantitative Z->E isomerisation by X-rays
SAXS shows that azobenzene lipid membranes undergo buffer-dependent photoswitching, enabling quantitative Z→E isomerisation measurements during soft X-ray exposure.
A novel mechanical metamaterial with tunable mechanical and compression-torsion properties
A proposed mechanical metamaterial tunes Poisson’s ratio, elastic modulus, and compression–torsion properties by altering unit cell number and how unit cells are combined, aiming to reduce redesign and manufacturing cost.
A auxetic metamaterial structure: analysis of shear and bending, mechanical characterization
Auxetic (negative Poisson’s ratio) re-entrant unit-cell designs integrated into bone screws improved load-bearing capacity and deformation resistance under shear and bending versus conventional screws.
Scientists discover a strange property in rice and turn it into a smart material
A rice-derived, pressure-rate-dependent effect was used to engineer a material that automatically adapts stiffness to distinguish gentle motion from sudden impacts.
Light-activated gel could impact wearables, soft robotics, and more
A light-activated, biocompatible soft gel is reported to dramatically change its conductivity, supporting ionotronics-style interfaces for wearables and soft robotics.
Recent progress in 4D printing: materials, methods and applications
This review synthesizes how 4D printing couples additive methods with stimulus-responsive materials—especially shape-memory polymers—to achieve programmed, time-dependent shape and property changes, while noting reliability and scalability
Controlled drug delivery from chitosan-coated heparin-loaded nanopores anodically grown on nitinol shape-memory alloy
A two-stage anodized nitinol surface coated with chitosan forms a hydrophilic, nanoporous platform that controls heparin release via diffusion and shows non-cytotoxicity in vitro.
Machine learning-guided tuning of shape memory behavior in 4D-printed single-layer elastomer strip
Machine learning-guided optimization of 4D-printed PU/Eudragit S100/MTZ elastomer strips enables strong mechanical performance and high shape recovery for pH-responsive, site-specific drug delivery.
Current 3D Printing and Developed 4D Printing Technologies in Dentistry
The record reviews how 4D printing with stimuli-responsive smart materials could enable adaptive, time-evolving dental devices, though translation to routine practice still needs further research.
Design, modelling and experimental validation of bipenniform shape memory alloy-based linear actuator integrable with hydraulic stroke amplification mechanism
A bio-inspired bipenniform SMA coil linear actuator is modelled and experimentally validated, achieving 257 N at 15 V and reduced drive mechanism weight and energy versus a stepper motor benchmark.
4D Printing with Liquid Crystal Elastomers: Materials, Methods, and Emerging Applications
A review summarizes how 4D printing of liquid crystal elastomers enables programmable, reversible shape changes and surveys fabrication methods, integrations, and remaining challenges.
4D Printing in Biomedical Implants and Functional Healthcare Devices
A review of biomedical 4D printing that links stimuli-responsive material platforms to programmed, time-dependent actuation for implants, drug delivery, and adaptive wearables.
FUTURE OF 4D PRINTING IN SOFT ROBOTICS AND INTELLIGENT AUTOMATION
A 2015–2025 review synthesizes how 4D printing with stimulus-responsive materials enables programmable, adaptive soft robotics and intelligent automation, while highlighting remaining barriers to translation.
Revolutionizing Personalized Medicine with 4D Printing in Drug Delivery
4D printing uses dynamic materials that change with temperature, humidity, and pH to enable environment- and body-signal–dependent, personalized drug delivery.
Exploring 4D Printing Technology for Biomedical Applications
The editorial argues that adding a time dimension to 3D printing via stimuli-responsive materials enables dynamic, personalized biomedical devices such as adaptive implants and controlled drug-release hydrogel capsules.
Exploring pNIPAM Lyogels: Experimental Study on Swelling Equilibria in Various Organic Solvents and Mixtures, Supported by COSMO-RS Analysis
pNIPAM lyogels show strong solvent-dependent swelling/shrinkage driven by hydrogen bonding, and COSMO-RS modeling links solvent–polymer interactions to swelling equilibria in pure solvents and mixtures.
Lactobacilli in Material Science: Sustainable Biopolymers and Self-Healing Technologies
Lactobacilli-based biofabrication is presented as a route to biodegradable biopolymers, self-repairing concrete, and antimicrobial coatings.
Controlled release of entrapped nanoparticles from thermoresponsive hydrogels with tunable network characteristics
Temperature-driven PNIPAM hydrogel transitions can switch nanoparticle transport from subdiffusive motion to strong trapping or near-complete stopping, enabling tunable controlled release.
Self-healing 2D material composites for intelligent smart bandages: Multiphysics simulation and AI-enabled wound assessment
A study on self-healing 2D material composite bandages, combining multiphysics simulation with AI-enabled wound assessment.
Computational design and analysis of biocompatible shape memory polymer-based self-expandable stent
A finite-element workflow designs a biodegradable SMP-based self-expandable stent and identifies a five-cell lattice that yields high shape fixity and near-complete recovery with low deployment stress.
Enhancing Shape Recovery and Mechanical Properties of Bisphenol-A-Epoxy-Based Shape Memory Polymer Composites (SMPCs) Using Amine Curing Agent Blends
Blending Bisphenol-A epoxy SMP with amine curing agents and adding carbon fillers improves curing/mechanics and yields faster, stronger shape recovery, with best results at 3 wt% filler.
Development and in vitro evaluation of borax cross-linked tamarind seed polysaccharide hydrogel films as an antioxidant and self-healing material for wound healing
A borax-cross-linked tamarind seed polysaccharide hydrogel film shows antioxidant activity and rapid self-healing, with in vitro hemocompatibility for wound dressing use.
Printing Mosaics of Magnetically Programmed Liquid Crystal Directors for Reversibly Morphing Soft Matter
A DLP printing system with a reorientable magnetic field enables magnetically programmed alignment in liquid crystal elastomers, producing reversibly morphing structures with >30% thermal actuation.
Self-Healing, Electroconductive Hydrogels for Wound Healing Applications
Electroconductive, self-healing hydrogels are reviewed as wound-care biomaterials that combine electrical responsiveness with automatic repair and bioactive performance.