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Nanoengineered Shape‐Memory Hemostat [PDF]

open access: yesSmall Science
Uncontrolled hemorrhage is the predominant cause of preventable combat deaths. Various biomaterials serve as hemostatic agents due to their procoagulant or absorptive activity. However, these biomaterials often lack expansion capabilities, which severely
Sarah E. Hargett   +11 more
doaj   +4 more sources

A Finite Element Investigation on Material and Design Parameters of Ventricular Septal Defect Occluder Devices

open access: yesJournal of Functional Biomaterials, 2022
Background and Objective: Ventricular septal defects (VSDs) are the most common form of congenital heart defects. The incidence of VSD accounts for 40% of all congenital heart defects (CHDs).
Zhuo Zhang   +7 more
doaj   +1 more source

Shape memory polymer with programmable recovery onset

open access: yesNature, 2023
A four-dimensional printable shape memory hydrogel with shape-shifting onset adjustable by changing the programming conditions is reported. Stimulus-responsive shape-shifting polymers^ 1 – 3 have shown unique promise in emerging applications, including ...
Chujun Ni   +20 more
semanticscholar   +1 more source

Shape Memory Alloy (SMA) Actuators: The Role of Material, Form, and Scaling Effects

open access: yesAdvances in Materials, 2023
Shape memory alloys (SMAs) are smart materials that are widely used to create intelligent devices because of their high energy density, actuation strain, and biocompatibility characteristics.
Min‐Soo Kim   +6 more
semanticscholar   +1 more source

Nanostructured Coatings (Ti,Zr)N as a Barrier to Hydrogen Diffusion into Ti0.16Pd (wt.%) Alloy

open access: yesMetals, 2021
The results of a study of structure, phase, and chemical compositions of nanostructured (Ti,Zr)N coatings formed by vacuum arc deposition on Ti0.16Pd (wt.%) alloy substrates are reported.
Aleksandr Lotkov   +7 more
doaj   +1 more source

Shape Memory Polymers as Smart Materials: A Review

open access: yesPolymers, 2022
Polymer smart materials are a broad class of polymeric materials that can change their shapes, mechanical responses, light transmissions, controlled releases, and other functional properties under external stimuli.
T. Dayyoub   +4 more
semanticscholar   +1 more source

CASE REPORT OF TWO SUCCESSFUL PREGNANCY OUTCOMES AFTER RADICAL TRACHELECTOMY

open access: yesСибирский онкологический журнал, 2021
Currently, the development and implementation of organ-preserving methods for patients of reproductive age are the treatment priorities in modern oncology.
A. L. Chernyshova   +7 more
doaj   +1 more source

Perspectives of using a microsurgical device made of titanium nickelide in complicated cataract surgery

open access: yesОфтальмохирургия, 2020
Purpose. To examine the possibility of using a tool with variable shape geometry of the operational section of titanium nickelide for small incision surgery to remove complicated cataract.Material and methods.
A. N. Steblyuk   +5 more
doaj   +1 more source

4D Printing of Shape Memory Polymers: From Macro to Micro

open access: yesAdvanced Functional Materials, 2022
A novel and versatile shape memory ink system allowing 4D printing with light at the macroscale as well as the microscale is presented. Digital light processing (DLP) and direct laser writing (DLW) are selected as suitable 3D printing technologies to ...
Christoph A. Spiegel   +4 more
semanticscholar   +1 more source

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