Results 201 to 210 of about 2,215,475 (370)

Beyond 3D: Smart Material Systems for Microscale 4D Printing

open access: yesAdvanced Materials Technologies, EarlyView.
Smart materials exhibit shape changes in response to their environment, enabling scientists to go beyond 3D in the rapidly growing field of 4D printing. This review covers recent advances, current challenges, and emerging trends in 4D printing on the microscale.
Daniel Maher   +3 more
wiley   +1 more source

4D Printed Self‐Deploying Bio‐Based Scaffolds for the Regeneration of Endoluminal Tissue

open access: yesAdvanced Materials Technologies, EarlyView.
A bilayer self‐deploying tubular C‐shaped scaffold, made of natural polymers and triggerable by humidity, is fabricated via 4D printing for the regeneration of gastro‐intestinal tissue. The choice of the materials and their spatial arrangement is guided by physical and biological evaluation, whereas the geometry of the structure is optimized through ...
Irene Chiesa   +9 more
wiley   +1 more source

A Bistable Assistive Device for Wireless Control of a Dysfunctional Bladder Under Minimal Stress

open access: yesAdvanced Materials Technologies, EarlyView.
This paper presents a wireless system designed to restore bladder function in patients with an underactive bladder (UAB). The system features a multilayered structure, combining a pre‐shaped restoration layer with a spring‐based actuator. The system delivers 95–100% voiding efficiency within a 10‐s activation while ensuring minimal stress on the ...
Shujun Xiao   +4 more
wiley   +1 more source

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