4D printed shape memory polymers and their structures for biomedical applications

Yue-jia, LI; Zhang, FengHua; Liu, Yanju; Leng, Jinsong

doi:10.1007/s11431-019-1494-0

Cited by 107 publications

(58 citation statements)

References 65 publications

(97 reference statements)

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“…The grippers can reversibly open and close around body temperature because of the thermal responsiveness of the pNIPAM-AAc. (reproduced from [ 111 ]).…”

Section: Figurementioning

confidence: 99%

4D Printing: A Review on Recent Progresses

et al. 2020

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Since the late 1980s, additive manufacturing (AM), commonly known as three-dimensional (3D) printing, has been gradually popularized. However, the microstructures fabricated using 3D printing is static. To overcome this challenge, four-dimensional (4D) printing which defined as fabricating a complex spontaneous structure that changes with time respond in an intended manner to external stimuli. 4D printing originates in 3D printing, but beyond 3D printing. Although 4D printing is mainly based on 3D printing and become an branch of additive manufacturing, the fabricated objects are no longer static and can be transformed into complex structures by changing the size, shape, property and functionality under external stimuli, which makes 3D printing alive. Herein, recent major progresses in 4D printing are reviewed, including AM technologies for 4D printing, stimulation method, materials and applications. In addition, the current challenges and future prospects of 4D printing were highlighted.

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“…The grippers can reversibly open and close around body temperature because of the thermal responsiveness of the pNIPAM-AAc. (reproduced from [ 111 ]).…”

Section: Figurementioning

confidence: 99%

4D Printing: A Review on Recent Progresses

et al. 2020

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“…These temporal changes are reversible as the materials are tuned in terms of chemical composition, geometrical and origami-based designs to enhance the shape memory performance. 274 This fabrication technique has emerged in biomedical application as cell scaffolds, self-expendable vascular stents, tracheal stents, bone scaffolds and other medical devices that help to cut down the risk and need for invasive surgery. 274,275 These shape memory materials can be engineered to either permanently retain their new shape upon external stimuli or capable of returning to their initial shape.…”

Section: Environmental Applicationmentioning

confidence: 99%

“…274 This fabrication technique has emerged in biomedical application as cell scaffolds, self-expendable vascular stents, tracheal stents, bone scaffolds and other medical devices that help to cut down the risk and need for invasive surgery. 274,275 These shape memory materials can be engineered to either permanently retain their new shape upon external stimuli or capable of returning to their initial shape. Their response rate towards the stimulations are effected by the material chemico-physical properties, environmental conditions, density and thickness of the printed structure.…”

Section: Environmental Applicationmentioning

confidence: 99%

Recent advances in 3D printing of nanocellulose: structure, preparation, and application prospects

2021

Nanoscale Adv.

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“…Table 3. Requirements for the design of scaffolds in bone tissue engineering [141][142][143][144][145][146][147].…”

Section: Development Of Electrospun Polymers Reinforced With Mg-basedmentioning

confidence: 99%

Potential Applications of Magnesium-Based Polymeric Nanocomposites Obtained by Electrospinning Technique

et al. 2020

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In the last few decades, the development of new electrospun materials with different morphologies and advanced multifunctional properties are strongly consolidated. There are several reviews that describe the processing, use and characterization of electrospun nanocomposites, however, based on our knowledge, no review on electrospun nanocomposites reinforced with nanoparticles (NPs) based on magnesium, Mg-based NPs, are reported. Therefore, in the present review, we focus attention on the fabrication of these promising electrospun materials and their potential applications. Firstly, the electrospinning technique and its main processing window-parameters are described, as well as some post-processing methods used to obtain Mg-based materials. Then, the applications of Mg-based electrospun nanocomposites in different fields are pointed out, thus taking into account the current trend in developing inorganic-organic nanocomposites to gradually satisfy the challenges that the industry generates. Mg-based electrospun nanocomposites are becoming an attractive field of research for environmental remediation (waste-water cleaning and air filtration) as well as for novel technical textiles. However, the mayor application of Mg-based electrospun materials is in the biomedical field, as pointed out. Therefore, this review aims to clarify the tendency in using electrospinning technique and Mg-based nanoparticles to huge development at industrial level in the near future.

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4D printed shape memory polymers and their structures for biomedical applications

Cited by 107 publications

References 65 publications

4D Printing: A Review on Recent Progresses

4D Printing: A Review on Recent Progresses

Recent advances in 3D printing of nanocellulose: structure, preparation, and application prospects

Potential Applications of Magnesium-Based Polymeric Nanocomposites Obtained by Electrospinning Technique

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