AIMC Topic: Polyurethanes
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AI-Aided Gait Analysis with a Wearable Device Featuring a Hydrogel Sensor.
Sensors (Basel, Switzerland)
Nov 19, 2024
Wearable devices have revolutionized real-time health monitoring, yet challenges persist in enhancing their flexibility, weight, and accuracy. This paper presents the development of a wearable device employing a conductive polyacrylamide-lithium chlo...
Tunable Light-Responsive Polyurethane-urea Elastomer Driven by Photochemical and Photothermal Coupling Mechanism.
ACS applied materials & interfaces
Apr 6, 2024
Light-driven soft actuators based on photoresponsive materials can be used to mimic biological motion, such as hand movements, without involving rigid or bulky electromechanical actuations. However, to our knowledge, no robust photoresponsive materia...
Tough, Recyclable, and Degradable Elastomers for Potential Biomedical Applications.
Advanced materials (Deerfield Beach, Fla.)
Mar 31, 2023
Elastomers have many industrial, medical and commercial applications, however, their huge demand raises an important question of how to dispose of the out-of-service elastomers. Ideal elastomers that are concurrently tough, recyclable, and degradable...
Azo-Functionalized Thermoplastic Polyurethane for Light-Driven Shape Memory Materials.
Macromolecular rapid communications
Nov 16, 2022
Shape memory polymers have great potential in the fields of soft robotics, injectable medical devices, and as essential materials for advanced electronic devices. Herein, light-triggered shape-memory thermoplastic polyurethane (TPU) is reported using...
A Bioinspired Stress-Response Strategy for High-Speed Soft Grippers.
Advanced science (Weinheim, Baden-Wurttemberg, Germany)
Sep 2, 2021
The stress-response strategy is one of the nature's greatest developments, enabling animals and plants to respond quickly to environmental stimuli. One example is the stress-response strategy of the Venus flytrap, which enables such a delicate plant ...
Tool changing 3D printer for rapid prototyping of advanced soft robotic elements.
Bioinspiration & biomimetics
Aug 24, 2021
In the field of soft robotics, pneumatic elements play an important role due to their sensitive and adaptive behavior. Nevertheless, the rapid prototyping of such actuators is still challenging since conventional 3D printers are not designed to fabri...
Self-Assembled Polyurethane Capsules with Selective Antimicrobial Activity against Gram-Negative .
ACS biomaterials science & engineering
Dec 16, 2019
This article reports the antimicrobial activity of two segmented amphiphilic polyurethanes, PU-1 and PU-2, containing a primary or secondary amine group, respectively. In acidic water, intrachain H-bonding among the urethanes followed by hierarchical...
Rapid Manufacturing of Thin Soft Pneumatic Actuators and Robots.
Journal of visualized experiments : JoVE
Nov 8, 2019
This protocol describes a method for rapid manufacturing of soft pneumatic actuators and robots with an ultrathin form factor using a heat press and a laser cutter machine. The method starts with the lamination of thermoplastic polyurethane (TPU) she...
Laser Cutting as a Rapid Method for Fabricating Thin Soft Pneumatic Actuators and Robots.
Soft robotics
Jun 20, 2018
Pneumatically actuated soft robots address many challenges with interfacing with delicate objects, but these actuators/robots are still bulky and require many hours to fabricate, limiting their widespread use. This article reports a novel design and ...
Use of a Novel Artificial Intelligence Tool for Evaluating Primary Stability and Immediate Loading Suitability of Dental Implants: An In Vitro Pilot Study.
The International journal of oral & maxillofacial implants
Aug 29, 2024
PURPOSE: To evaluate the correspondence between output from a new artificial intelligence tool (AIT) and clinician evaluation regarding the immediate loading suitability of dental implants based on insertion torque curves recorded during implant plac...
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