An experimental and numerical study on an innovative metastructure for 3D printed thermoplastic polyurethane with auxetic performance DOI
Mehran Mojaver, Taher Azdast, Rezgar Hasanzadeh

et al.

Polymers for Advanced Technologies, Journal Year: 2024, Volume and Issue: 35(2)

Published: Feb. 1, 2024

Abstract Metamaterials are specifically designed materials that possess unique properties cannot be found in naturally occurring substances. These remarkable have the capability to bring about a significant transformation across wide range of industries. Auxetic structures recent area research distinctive characteristic known as negative Poisson's ratio. Unlike conventional contract when stretched, auxetic actually expand two dimensions. In this study, new structure was introduced, and thermoplastic polyurethane samples were 3D printed using fused filament fabrication method. The then subjected strains ranging from 5% 50% ratios measured both experimentally numerically finite element method Ansys software. By comparing results experimental simulation, it is evident applying within causes ratio change −0.81 −0.14 showed newly introduced auxetic. According analysis root mean square error, hexagonal mesh with size 0.7 mm consistently produced most accurate results, aligning closely sample. Given an entirely novel category arrow‐head structures, there potential for future conducted order further develop enhance model.

Language: Английский

Advances in 3D printing for polymer composites: A review DOI Creative Commons
Tengbo Ma, Yali Zhang, Kunpeng Ruan

et al.

InfoMat, Journal Year: 2024, Volume and Issue: 6(6)

Published: June 1, 2024

Abstract The potential of three‐dimensional (3D) printing technology in the fabrication advanced polymer composites is becoming increasingly evident. This review discusses latest research developments and applications 3D composites. First, it focuses on optimization technology, that is, by upgrading equipment or components adjusting parameters, to make them more adaptable processing characteristics improve comprehensive performance products. Second, printable novel consumables for composites, which mainly include new filaments, inks, photosensitive resins, powders, introducing unique properties different ways apply printing. Finally, preparation functional (such as thermal conductivity, electromagnetic interference shielding, biomedicine, self‐healing, environmental responsiveness) are explored, with a focus distribution fillers influence topological shapes printed aim this deepen understanding convergence between anticipate future trends applications. image

Language: Английский

Citations

112
3D Engineered scaffolds of conjugated polymers/metal organic frameworks for biomedical applications DOI

Amin Hosseini Sharifabad,

Roham Ghanbari, Mohammad Reza Saeb

et al.

International Materials Reviews, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 3, 2025

The extracellular matrix can be replicated by 3D scaffolds, providing a favorable environment for cell growth, proliferation, and differentiation. Despite their biocompatibility, biodegradability, bioactivity, the poor mechanical strength of scaffolds limits use heavy loads. This creates bottleneck in supply with enhanced all previously mentioned characteristics. Conjugated polymers have emerged as promising option scaffold construction due to electrical conductivity, adjustable surface qualities, ability transfer bioactive molecules. Moreover, metal-organic frameworks (MOFs) are rapidly emerging class nanomaterials uniform porosity, excellent surface-to-volume ratio, variable diverse configurations, well tuanble chemical structures. While both conjugated polymer-based MOF-based suffer from drawbacks such low stability possible toxicity, combination is an imperative strategy construct desirable scaffols biomedical applications. Specific examples investigated polymer-MOF provided each area, along explanation synthesis, fabrication method, physicochemical properties. Finally, applications polymers/MOF tissue engineering cancer theragnostic reviewed, current challenges potential future directions discussed.

Language: Английский

Citations

3
Towards cell-adhesive, 4D printable PCL Networks through dynamic covalent chemistry DOI
Sagnik Ghosh, Sathiyaraj Subramaniyan,

Anadi Bisht

et al.

Journal of Materials Chemistry B, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

In recent years, the development of biodegradable, cell-adhesive polymeric implants and minimally invasive surgery has significantly advanced healthcare. These materials exhibit multifunctional properties like self-healing, shape-memory, cell adhesion, which can be achieved through novel chemical approaches. Engineering such their scalability using a classical polymer network without complex synthesis modification been great challenge, potentially resolved biobased dynamic covalent chemistry (DCC). Here, we report scalable, self-healable, poly(ε-caprolactone) (PCL)-based vitrimer scaffold, imine exchange, free from limitations melting transitions supramolecular interactions in 4D-printed PCL. PCL's typical hydrophobicity hinders adhesion; however, our design, based on photopolymerization PCL-dimethacrylate methacrylate-terminated vanillin-based imine, achieves water contact angle 64°. The network, fabricated varying proportions, exhibited co-continuous phase morphology, achieving optimal shape fixity (91 ± 1.7%) recovery (92.5 0.1%) at physiological temperature (37 °C). Additionally, scaffold promoted adhesion proliferation reduced oxidative stress defect site. This material shows potential DCC-based research developing smart biomedical devices with geometries, paving way for applications regenerative medicine implant design.

Language: Английский

Citations

3
Silk fibroin-based scaffolds for wound healing applications with metal oxide nanoparticles DOI Creative Commons
Denisa-Maria Radulescu, Ecaterina Andronescu, Otilia Ruxandra Vasile

et al.

Journal of Drug Delivery Science and Technology, Journal Year: 2024, Volume and Issue: 96, P. 105689 - 105689

Published: April 21, 2024

In the last few years, wound healing and development of "ideal" biomaterials that provide quick recovery minimize scarring have represented one most important priorities researchers. this direction, silk fibroin (SF) scaffolds gained substantial awareness, as a promising polymer owing to their increased biocompatibility, outstanding mechanical properties, biodegradability, especially tensile strength. Furthermore, SF is acknowledged accelerate process by encouraging cell growth proliferation, also migration different types cells are included in stages process. Therefore, metal oxide nanoparticles (NPs), such iron (FeO), copper (CuO), zinc (ZnO), or magnesium (MgO) NPs, been extensively researched for antimicrobial properties ability enhance tissue regeneration addition SF. When introduced within scaffolds, these NPs impart enhanced including improved scaffold stability durability. Moreover, presence could increase biocompatibility facilitating adhesion, migration, ultimately promoting processes. The incorporation other natural polymers into has thus emerged favorable method therapeutic potential developed biomaterial. This review aims an overview advancements containing applications.

Language: Английский

Citations

14
3D-printed cellulose nanocrystals and gelatin scaffolds with bioactive cues for regenerative medicine: Advancing biomedical applications DOI
Prerna Singh, Hossein Baniasadi, Sneha Gupta

et al.

International Journal of Biological Macromolecules, Journal Year: 2024, Volume and Issue: 278, P. 134402 - 134402

Published: July 31, 2024

Language: Английский

Citations

14
Photocurable 3D-printed AgNPs/Graphene/Polymer nanocomposites with high flexibility and stretchability for ECG and EMG smart clothing DOI
Jia‐Wun Li,

Ho‐Fu Chen,

Yu-Zhe Liu

et al.

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 484, P. 149452 - 149452

Published: Feb. 10, 2024

Language: Английский

Citations

13
Innovative Packaging Strategies for Freshness and Safety of Food Products: A Review DOI
Anand Kishore,

Mithul Aravind S,

Pushpendra Kumar

et al.

Packaging Technology and Science, Journal Year: 2024, Volume and Issue: 37(5), P. 399 - 427

Published: March 13, 2024

ABSTRACT In recent years, consumers have become more concerned about the freshness and safety of packaged food items with their shelf life taste. Innovation in packaging continuously evolves various techniques, which improve or indicate quality product throughout supply chain. This review highlights different strategies for enhancing products proclaims an alternative to conventional systems. Also, this article emphasizes assorted components products, implicating fresh consumer health. Such systems provide information on concepts, including indicators, sensors, scavengers, absorbers other smart integrated techniques application products. Moreover, need exploration toxicology migration studies industrial health safety.

Language: Английский

Citations

13
Recent Progress in 3D Printing Polymer‐Based Bone Scaffolds DOI Open Access
Ruiqi Feng,

Alice Chu,

Yunlong Guo

et al.

Advanced Engineering Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 13, 2025

This review aims to summarize recent advances in 3D printing technologies for polymer‐based bone scaffolds, focusing on material applications and clinical implications. The applicable different materials are discussed with their characteristics application advantages, specifically the common techniques polymer used. Recent of 3D‐printed scaffolds multifunctionality (i.e., drug delivery, regeneration minimally invasive implantation) then presented provide guidance potential applications.

Language: Английский

Citations

1
Revolutionizing Medical Implant Fabrication: Advances in Additive Manufacturing of Biomedical Metals DOI Creative Commons
Yu-Hua Li, Deyu Jiang, Rui Zhu

et al.

International Journal of Extreme Manufacturing, Journal Year: 2024, Volume and Issue: 7(2), P. 022002 - 022002

Published: Nov. 14, 2024

Highlights Exploring personalized biomedical metal implants through additive manufacturing (AM). Presenting new load-bearing and biodegradable alloys for implants. Showcasing AI 4D printing advancements in material properties. AM’s roles various medical fields. Highlighting perspectives of implant technology improved patient care.

Language: Английский

Citations

8
Fabrication of bone tissue engineering scaffolds with a hierarchical structure using combination of 3D printing/gas foaming techniques DOI

Soroush Aghaiee,

Taher Azdast, Rezgar Hasanzadeh

et al.

Journal of Applied Polymer Science, Journal Year: 2024, Volume and Issue: 141(16)

Published: Feb. 5, 2024

Abstract The goal of this research was to study and optimize the structure geometric features scaffolds made using a combined method 3D printing gas foaming. This endeavor aimed produce with hierarchical that closely resemble bone tissue. examined effects saturation pressure, foam temperature, time on response surface methodology (RSM). RSM is statistical technique used for optimizing analyzing processes by modeling relationship between input variables output responses. results multi‐objective optimization showed highest pressure (55 MPa), shortest (40 s), temperature 68°C were optimal conditions. also develop mathematical models structural properties, dimensional accuracy, mechanical strength, focusing different parameters, which could be predict desired properties. Subsequently, designed scaffold underwent MTT assay testing assess cell toxicity indicating its biocompatibility. demonstrate correct parameters in combination printing, it possible achieve polymer proportional dimensions, geometry, strength suitable growth use inside human body.

Language: Английский

Citations

7