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Yang S, Song Z, He Z, Ye X, Li J, Wang W, Zhang D, Li Y. A review of chitosan-based shape memory materials: Stimuli-responsiveness, multifunctionalities and applications. Carbohydr Polym 2024; 323:121411. [PMID: 37940246 DOI: 10.1016/j.carbpol.2023.121411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 09/03/2023] [Accepted: 09/15/2023] [Indexed: 11/10/2023]
Abstract
Shape memory polymers (SMPs), as a type of smart materials, possess the unique shape memory and deformation recovery abilities. Hence, SMPs have been attracted extensive attentions and widely used in fields of electric devices, aerospace structures and biomedical engineering. Chitosan (CS), as a renewable natural biomass material, exhibits the excellent biocompatibility, biodegradability and antibacterial activities. Using biomass CS as SMPs matrix materials could greatly enhance the environmental friendliness and adaptability, promoting the applications in fields of biomedical engineering and smart devices. This paper provides a detailed overview of current research progress about CS-based SMPs, including diverse stimuli responsiveness, multifunctionalities and various applications. Though, the research on CS-based SMPs is still in the early stage, which exhibits extensive prospect and potential, and could be of significance in advancing smart biomedical technologies.
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Affiliation(s)
- Shuai Yang
- School of Materials Science and Engineering, North University of China, Taiyuan 030051, PR China.
| | - Zijian Song
- School of Materials Science and Engineering, North University of China, Taiyuan 030051, PR China.
| | - Zhichao He
- School of Materials Science and Engineering, North University of China, Taiyuan 030051, PR China.
| | - Xinming Ye
- School of Materials Science and Engineering, North University of China, Taiyuan 030051, PR China.
| | - Jie Li
- School of Materials Science and Engineering, North University of China, Taiyuan 030051, PR China.
| | - Wensheng Wang
- School of Materials Science and Engineering, North University of China, Taiyuan 030051, PR China.
| | - Dawei Zhang
- Engineering Research Center of Advanced Wooden Materials, Ministry of Education, Northeast Forestry University, Harbin 150040, PR China.
| | - Yingchun Li
- School of Materials Science and Engineering, North University of China, Taiyuan 030051, PR China.
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Zhao S, Sun J, Qin Z, Li Y, Yu H, Wang G, Gu X, Pan K. Janus-Structural AIE Nanofiber with White Light Emission and Stimuli-Response. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2201117. [PMID: 35585675 DOI: 10.1002/smll.202201117] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Revised: 04/28/2022] [Indexed: 06/15/2023]
Abstract
White-light emitting elastomers (WLEEs) based on stimuli-responsive aggregation-induced emission (AIE) and regulated Förster resonance energy transfer (FRET) have aroused increasing attention due to the demands for wearable optoelectronic devices. Herein, the blue and orange AIEgens with different environmental sensitivities are synthesized and then encapsulated on both sides of nanofibers via side-by-side electrospinning aiming to achieve the Janus WLEEs. After regulating the blue-orange AIEgens ratio, efficient and stable white light emission with a CIE coordinate of about (0.33, 0.31) is achieved at a blue-orange AIEgens mass ratio of 3:1. Besides, the Janus nanofibers (Janus-NFs) also present super stretchability with elongation at the break over 150% and tensile strength close to 7 MPa. The sensitivity of fluorescence for Janus-NFs to its stretching deformation is used to visualize the evolution of the microstructure of nanofibers during stretching. Moreover, the Janus-NFs are also sensitive to HCl and NH3 , of which the fluorescence color would change under HCl and NH3 fuming above 2 and 57 ppm in air, respectively. The promising applications of the white light Janus-NFs in smart fabrics, warning sensors, and anti-counterfeiting packaging are demonstrated. This finding provides an efficient strategy for achieving wearable WLEEs with multiple functionalities, promoting the development of wearable devices.
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Affiliation(s)
- Shikun Zhao
- Beijing Key Laboratory of Advanced Functional Polymer Composites, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Jiangman Sun
- Beijing Key Laboratory of Advanced Functional Polymer Composites, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Zhen Qin
- Beijing Key Laboratory of Advanced Functional Polymer Composites, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Yufeng Li
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Hao Yu
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Guan Wang
- Beijing Key Laboratory of Advanced Functional Polymer Composites, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Xinggui Gu
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Kai Pan
- Beijing Key Laboratory of Advanced Functional Polymer Composites, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
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Guo Y, Yan L, Zeng Z, Chen L, Ma M, Luo R, Bian J, Lin H, Chen D. TPU/PLA nanocomposites with improved mechanical and shape memory properties fabricated via phase morphology control and incorporation of multi‐walled carbon nanotubes nanofillers. POLYM ENG SCI 2020. [DOI: 10.1002/pen.25365] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Yi Guo
- College of Materials Science and EngineeringXihua University Chengdu Sichuan China
| | - Lei Yan
- College of Materials Science and EngineeringXihua University Chengdu Sichuan China
| | - Zhu Zeng
- College of Materials Science and EngineeringXihua University Chengdu Sichuan China
| | - Lin Chen
- College of Materials Science and EngineeringXihua University Chengdu Sichuan China
| | - Mingxue Ma
- College of Materials Science and EngineeringXihua University Chengdu Sichuan China
| | - Rui Luo
- College of Materials Science and EngineeringXihua University Chengdu Sichuan China
| | - Jun Bian
- College of Materials Science and EngineeringXihua University Chengdu Sichuan China
| | - Hailan Lin
- College of Materials Science and EngineeringXihua University Chengdu Sichuan China
| | - Daiqiang Chen
- School of Polymer Science and EngineeringSichuan University Chengdu Sichuan China
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Abstract
Human bones have unique structures and characteristics, and replacing a natural bone in the case of bone fracture or bone diseases is a very complicated problem. The main goal of this paper was to summarize the recent research on polymer materials as bone substitutes and for bone repair. Bone treatment methods, bone substitute materials as well as their advantages and drawbacks, and manufacturing methods were reviewed. Biopolymers are the most promising materials in the field of artificial bones and using biopolymers with the shape memory effect can improve the integration of an artificial bone into the human body by better mimicking the structure and properties of natural bones, decreasing the invasiveness of surgical procedures by producing deployable implants. It has been shown that the application of the rapid prototyping technology for artificial bones allows the customization of bone substitutes for a patient and the creation of artificial bones with a complex structure.
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Affiliation(s)
- Anastasiia Kashirina
- Department of Astronautical Science and Mechanics, Harbin Institute of Technology, PO Box 301, No. 92 West Dazhi Street, Harbin 150001, China
| | - Yongtao Yao
- National Key Laboratory of Science and Technology on Advanced Composites in Special Environments, Harbin Institute of Technology, No. 2 YiKuang Street, Harbin 150080, China.
| | - Yanju Liu
- Department of Astronautical Science and Mechanics, Harbin Institute of Technology, PO Box 301, No. 92 West Dazhi Street, Harbin 150001, China
| | - Jinsong Leng
- National Key Laboratory of Science and Technology on Advanced Composites in Special Environments, Harbin Institute of Technology, No. 2 YiKuang Street, Harbin 150080, China.
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Bruni A, Serra FG, Deregibus A, Castroflorio T. Shape-Memory Polymers in Dentistry: Systematic Review and Patent Landscape Report. MATERIALS (BASEL, SWITZERLAND) 2019; 12:E2216. [PMID: 31295822 PMCID: PMC6678347 DOI: 10.3390/ma12142216] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Revised: 06/29/2019] [Accepted: 07/08/2019] [Indexed: 01/02/2023]
Abstract
OBJECTIVE To perform a systematic review (SR) of existing literature and a patent landscape report (PLR) regarding the potential applications of shape-memory polymers (SMPs) in dentistry. SEARCH STRATEGY Clinical and Biomedical online databases (Pubmed, Medline via Embase, Scopus, LILACS, Web of Science, Cochrane Library), Materials Science and Engineering databases (IEEE Explore, Compendex, Proquest), Material Science and Chemical database (Reaxys) so as Patents databases (Questel-Orbit, Espacenet, Patentscope) were consulted as recently as January 2019 to identify all papers and patents potentially relevant to the review. The reference lists of all eligible studies were hand searched for additional published work. RESULTS After duplicate selection and extraction procedures, 6 relevant full-text articles from the initial 302 and 45 relevant patents from 497 were selected. A modified Consolidated Standards of Reporting Trials (CONSORT) checklist of 14 items for reporting pre-clinical in-vitro studies was used to rate the methodological quality of the selected papers. The overall quality was judged low. CONCLUSIONS Despite the great potential and versatility of SMPs, it was not possible to draw evidence-based conclusions supporting their immediate employment in clinical dentistry. This was due to the weak design and a limited number of studies included within this review and reflects the fact that additional research is mandatory to determine whether or not the use of SMPs in dentistry could be effective. Nevertheless, the qualitative analysis of selected papers and patents indicate that SMPs are promising materials in dentistry because of their programmable physical properties. These findings suggest the importance of furtherly pursuing this line of research.
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Affiliation(s)
- Alessandro Bruni
- Department of Surgical Sciences, CIR Dental School, Università degli Studi di Torino, Via Nizza, 230, 10126 Turin, Italy.
- Department of Mechanical and Aerospatial Engineering (DIMEAS), Politecnico di Torino, C.so Duca degli Abruzzi, 24, 10129 Turin, Italy.
| | - Francesca Giulia Serra
- Department of Surgical Sciences, CIR Dental School, Università degli Studi di Torino, Via Nizza, 230, 10126 Turin, Italy
- Department of Mechanical and Aerospatial Engineering (DIMEAS), Politecnico di Torino, C.so Duca degli Abruzzi, 24, 10129 Turin, Italy
| | - Andrea Deregibus
- Department of Surgical Sciences, CIR Dental School, Università degli Studi di Torino, Via Nizza, 230, 10126 Turin, Italy
| | - Tommaso Castroflorio
- Department of Surgical Sciences, CIR Dental School, Università degli Studi di Torino, Via Nizza, 230, 10126 Turin, Italy
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Abstract
In this work we report the rational design of temperature-responsive nanofiber meshes with shape-memory properties. Meshes were fabricated by electrospinning poly(ε-caprolactone) (PCL)-based polyurethane with varying ratios of soft (PCL diol) and hard [hexamethylene diisocyanate (HDI)/1,4-butanediol (BD)] segments. By altering the PCL diol:HDI:BD molar ratio both shape-memory properties and mechanical properties could be readily turned and modulated. Though mechanical properties improved by increasing the hard to soft segment ratio, optimal shape-memory properties were obtained using a PCL/HDI/BD molar ratio of 1:4:3. Microscopically, the original nanofibrous structure could be deformed into and maintained in a temporary shape and later recover its original structure upon reheating. Even when deformed by 400%, a recovery rate of >89% was observed. Implementation of these shape memory nanofiber meshes as cell culture platforms revealed the unique ability to alter human mesenchymal stem cell alignment and orientation. Due to their biocompatible nature, temperature-responsivity, and ability to control cell alignment, we believe that these meshes may demonstrate great promise as biomedical applications.
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