Recent advances in 3D-printed polylactide and polycaprolactone-based biomaterials for tissue engineering applications

International Journal of Biological Macromolecules, Год журнала: 2022, Номер 218, С. 930 - 968

Опубликована: Июль 24, 2022

Язык: Английский

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Recent Advances in the Additive Manufacturing of Stimuli‐Responsive Soft Polymers

Advanced Engineering Materials, Год журнала: 2023, Номер 25(21)

Опубликована: Авг. 29, 2023

Stimuli‐responsive polymers (SRPs) are special types of soft materials, which have been extensively used for developing flexible actuators, robots, wearable devices, sensors, self‐expanding structures, and biomedical thanks to their ability change shapes functional properties in response external stimuli including light, humidity, heat, pH, electric field, solvent, magnetic field or combinations two more these stimuli. In recent years, additive manufacturing (AM) aka 3D printing technology SRPs, also known as 4D printing, has gained phenomenal attention different engineering fields, its unique develop complex, personalized, innovative undergo twisting, elongating, swelling, rolling, shrinking, bending, spiraling, other complex morphological transformations. Herein, an effort made provide insightful information about the AM techniques, type applications including, but not limited tissue engineering, bionics, construction, smart textiles. This article incorporates current challenges prospects, hoping basis utilization this fields. It is expected that amalgamation with SRPs would unparalleled advantages arenas.

Язык: Английский

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3D/4D printing of cellulose nanocrystals-based biomaterials: Additives for sustainable applications

International Journal of Biological Macromolecules, Год журнала: 2023, Номер 251, С. 126287 - 126287

Опубликована: Авг. 11, 2023

Cellulose nanocrystals (CNCs) have gained significant attraction from both industrial and academic sectors, thanks to their biodegradability, non-toxicity, renewability with remarkable mechanical characteristics. Desirable characteristics of CNCs include high stiffness, strength, excellent flexibility, large surface-to-volume ratio. Additionally, the properties can be tailored through chemical modifications for high-end applications including tissue engineering, actuating, biomedical. Modern manufacturing methods 3D/4D printing are highly advantageous developing sophisticated intricate geometries. This review highlights major developments additive manufactured CNCs, which promote sustainable solutions across a wide range applications. this contribution also presents current challenges future research directions CNC-based composites developed techniques myriad engineering sectors wound healing, wearable electronics, robotics, anti-counterfeiting Overall, will greatly help scientists chemistry, materials, biomedicine, other disciplines comprehend underlying principles, properties, additively structures.

Язык: Английский

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3D printing of stimuli-responsive hydrogel materials: Literature review and emerging applications

Giant, Год журнала: 2023, Номер 17, С. 100209 - 100209

Опубликована: Ноя. 15, 2023

Additive manufacturing (AM) aka three-dimensional (3D) printing has been a well-established and unparalleled technology, which is expanding the boundaries of materials science exhibiting an enormous potential to fabricate intricate geometries for healthcare, electronics, construction sectors. In contemporary era, combination AM technology stimuli-responsive hydrogels (SRHs) helps create dynamic functional structures with extreme accuracy, are capable changing their shape, functional, or mechanical properties in response environmental cues such as humidity, heat, light, pH, magnetic field, electric etc. 3D SRHs permits creation on-demand dynamically controllable shapes excellent control over various self-repair, self-assembly, multi-functionality, These accelerate researchers think unthinkable applications. Additively manufactured objects have shown applications like tissue engineering, drug delivery, soft robots, sensors, other biomedical devices. The current review provides recent progress SRHs, more focus on techniques, stimuli mechanisms, shape morphing behaviors, Finally, trends future roadmap additively smart different also presented, will be helpful research. This holds great promise providing fundamental knowledge about diverse

Язык: Английский

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Shape-memory and self-healing properties of sustainable cellulosic nanofibers-based hybrid materials for novel applications

Giant, Год журнала: 2024, Номер 19, С. 100299 - 100299

Опубликована: Июнь 5, 2024

In the era of smart and sustainable technology driven by naturally occurring materials, various nanocellulose-based materials play a crucial role. Shape memory behaviour self-healing capabilities nanocelluloses are emerging as focal points in numerous research domains. Nanocellulose its derivatives such cellulose nanocrystals (CNC) nanofibers (CNF), currently limelight due to their excellent shape-memory properties, making them suitable for multifunctional devices. this regard, CNF, cutting-edge material, has spurred researchers explore potential developing contemporary personalized health Therefore, timely comprehensive review is essential gain deep insights into effectiveness CNF Herein, we first provide succinct introduction all nanocellulose materials. This also depicts recent advancements breakthroughs large effective synthesis CNF-based hybrid Next, focusing on performance, sheds new light advanced applications Finally, perspectives current challenges opportunities field summarized future an in-depth understanding "CNF-based materials."

Язык: Английский

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Natural and Synthetic Polymer Fillers for Applications in 3D Printing—FDM Technology Area

Solids, Год журнала: 2022, Номер 3(3), С. 508 - 548

Опубликована: Сен. 16, 2022

This publication summarises the current state of knowledge and technology on possibilities limitations using mineral synthetic fillers in field 3D printing thermoplastics. FDM can be perceived as a miniaturised variation conventional extrusion processing (a microextrusion process). However, scaling process down has an undoubtful drawback significantly reducing extrudate diameter (often by factor ≈20–30). Therefore, results produced under cannot simply translated to processes run with application technology. With that mind, discussing latest findings composite materials preparation was necessary.

Язык: Английский

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A review on the recent applications of synthetic biopolymers in 3D printing for biomedical applications

Journal of Materials Science Materials in Medicine, Год журнала: 2023, Номер 34(12)

Опубликована: Ноя. 20, 2023

Abstract 3D printing technology is an emerging method that gained extensive attention from researchers worldwide, especially in the health and medical fields. Biopolymers are class of materials offering excellent properties flexibility for additive manufacturing. widely used biomedical applications biosensing, immunotherapy, drug delivery, tissue engineering regeneration, implants, devices. Various biodegradable non-biodegradable polymeric considered as bio-ink 3d printing. Here, we offer literature review on current synthetic biopolymers field A trend publication last 10 years focused by analyzing more than 100 publications. Their application classification based biodegradability discussed. The various studies, along with their practical applications, elaborated subsequent sections polyethylene, polypropylene, polycaprolactone, polylactide, etc. applications. disadvantages discussed, future perspectives like combating biocompatibility problems using printed biomaterials to build compatible prosthetics also discussed potential resin combination customized personalized delivery systems organ a chip technologies expected open new set chances development healthcare regenerative medicine future. Graphical

Язык: Английский

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Parametric investigation and optimisation of mechanical properties of thick tri-material based composite of PLA-PETG-ABS 3D-printed using fused filament fabrication

Composites Part C Open Access, Год журнала: 2023, Номер 12, С. 100392 - 100392

Опубликована: Авг. 23, 2023

Tri-material and tri-layered composites find numerous applications in the biomedical, aerospace, automotive industries. However, such face challenges when fabricated through conventional methods (Electrospinning, hand lay-up, Film Casting, In-situ polymerization), as interface bond strength, strength-to-mass ratio, etc. Additive manufacturing can be used to fabricate overcome these challenges. In this study, a tri-material based 3D-printed (TM3DP) polymer composite of polylactic acid (PLA), polyethylene terephthalate glycol (PETG), acrylonitrile butadiene styrene (ABS) was successfully processed using fused filament fabrication (FFF) for first time. The is that 33.3% PLA printed first, followed by PETG, and, end, ABS so PETG sandwiched between ABS. effect FFF processing parameters on tensile properties investigated. After preliminary experiments literature review, infill density (ID), printing speed (PS), layer thickness (LT) were selected main parameters. strength (TS) strain (ℇ) outputs (responses) study. Tensile testing performed after samples Instron Universal Testing Machine (5 KN). An analysis variance (ANOVA) also check significance process results concluded significant interaction state both properties. Scanning electron microscopy (SEM) optical performed, which indicated various defects, including micropores, voids, micro / major delamination occurred conditions high LT, PS, low ID. This resulted TS 27.1 MPa ℇ 0.5 mm/mm. No defects observed under ID, highest 39.5 0.95. Finally, optimum suggested fabricating thick TM3DP samples, believed enhance ratio 16.4 % compared single solid base materials.

Язык: Английский

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Polymer/Graphene Nanocomposites via 3D and 4D Printing—Design and Technical Potential

Processes, Год журнала: 2023, Номер 11(3), С. 868 - 868

Опубликована: Март 14, 2023

Graphene is an important nanocarbon nanofiller for polymeric matrices. The polymer–graphene nanocomposites, obtained through facile fabrication methods, possess significant electrical–thermal–mechanical and physical properties technical purposes. To overcome challenges of nanocomposite processing high performance, advanced strategies have been applied to design the next-generation materials–devices. This revolutionary review basically offers a fundamental sketch graphene, three-dimensional (3D) four-dimensional (4D) printing techniques. main focus article portray impact 3D 4D techniques in field nanocomposites. Polymeric matrices, such as polyamide, polycaprolactone, polyethylene, poly(lactic acid), etc. with processed using or technologies. employ various cutting-edge processes offer engineering opportunities meet manufacturing demands nanomaterials. methods used graphene nanocomposites include direct ink writing, selective laser sintering, stereolithography, fused deposition modeling other approaches. Thermally stable acid)–graphene oxide technique. 3D-printed poly(methyl methacrylate)–graphene printed stereolithography additive revealed enhanced morphological, mechanical biological properties. polyethylene–graphene by diffusion superior thermal conductivity, strength, modulus radiation- shielding features. number approaches, including modeling, etc., resulting unique honeycomb morphology, surface temperature, resistivity, glass transition temperature linear coefficient. has on acrylonitrile-butadiene-styrene, acid) thermosetting matrices nanofiller. Stereolithography-based 4D-printed nanomaterials complex shape-changing nanostructures having resolution. These materials stability performance applications. Consequently, 3D- applications relevance, photovoltaics, sensing, energy storage fields. In short, this paper reviewed background printing, graphene-based 3D–4D development technologies printing.

Язык: Английский

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4D printing and programming of continuous fibre-reinforced shape memory polymer composites

European Polymer Journal, Год журнала: 2024, Номер 210, С. 112988 - 112988

Опубликована: Март 27, 2024

This study demonstrates the use of fused filament fabrication (FFF) 4D printing (4DP) to print programmable continuous fibre-reinforced composite (CFRC) structures with exceptional strength and eco-friendly features. research focuses on bio-shape memory polymer composites (SMPCs) employs experiments fabricate lightweight CFRC parts using FFF technology. Different types fibres, including carbon fibre (CF), aramid (AF), fibreglass (FG), are incorporated into a biopolymer matrix made biodegradable polylactic acid (PLA). The evaluates microstructure, mechanical properties, shape properties SMPCs, employing techniques like cold hot programming. Continuous fibres significantly enhance increasing by over 1027.5 % in tensile tests nearly 497.3 three-point bending tests. also addresses recovery fixity ratios 4D-printed finding decrease when PLA. Notably, FGPLA specimens achieve highest ratio approximately 95 ± 1 after pure These findings highlight potential CFRCs various applications, from human-material interaction biomedical fields. They contribute sustainability reducing material consumption waste, demonstrated through creation reusable items hooks, lockers, finger splints, meta-composites.

Язык: Английский

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