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Zong Y, Liang G, Li Y, Li M, Song Y, Liao Y, Yang Y, Zhu Y. Fabrication of antimicrobial and high-toughness poly (lactic acid) composite films using tung oil derivatives. Int J Biol Macromol 2024; 254:127792. [PMID: 37923033 DOI: 10.1016/j.ijbiomac.2023.127792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 10/15/2023] [Accepted: 10/29/2023] [Indexed: 11/07/2023]
Abstract
Tung oil derivatives are promising alternatives to traditional toxic plasticizers for improving the toughness of poly (lactic acid) (PLA) films. In this study, a tung oil-based quaternary ammonium salt (Q-ETO) was synthesized using a multi-step process involving epoxidation, ring opening, and substitution reactions. PLA based composite films with various amounts of Q-ETO were prepared by solvent casting. The impact of various amount of Q-ETO on PLA/Q-ETO composite films were evaluated with regard to their mechanical properties, hydrophilicity, water vapor permeability, optical properties, thermal stability, antibacterial properties, and leaching properties. The PLA/5%Q-ETO composite film yielded the highest elongation at break (82.52 ± 9.53 %), which was 153.67 % higher than that of pure PLA. All PLA composite films showed an antibacterial efficiency exceeding 90 % against both S. aureus and E. coli. Moreover, the PLA/Q-ETO composite film blocked the transmission of both ultraviolet and visible light while preventing the permeation of water vapor. The addition of Q-ETO only weakly affected the color and thermal stability of the PLA/Q-ETO composite film. Given the numerous advantages of the PLA composite film, it has significant potential for application as a food packaging material.
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Affiliation(s)
- Yijun Zong
- College of Material and Science, Central South University of Forestry and Technology, Changsha 410000, China
| | - Ganbo Liang
- College of Material and Science, Central South University of Forestry and Technology, Changsha 410000, China
| | - Yuhang Li
- College of Material and Science, Central South University of Forestry and Technology, Changsha 410000, China
| | - Min Li
- College of Material and Science, Central South University of Forestry and Technology, Changsha 410000, China
| | - Yuwei Song
- College of Material and Science, Central South University of Forestry and Technology, Changsha 410000, China
| | - Youwei Liao
- College of Material and Science, Central South University of Forestry and Technology, Changsha 410000, China
| | - Yan Yang
- College of Material and Science, Central South University of Forestry and Technology, Changsha 410000, China.
| | - Yuan Zhu
- College of Material and Science, Central South University of Forestry and Technology, Changsha 410000, China
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2
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Chen PH, Chen CW, Mao HI, Dai CA, Su CS, Tsai JC, Lin FH. Bio-Based PLA/PBS/PBAT Ternary Blends with Added Nanohydroxyapatite: A Thermal, Physical, and Mechanical Study. Polymers (Basel) 2023; 15:4585. [PMID: 38232012 PMCID: PMC10708084 DOI: 10.3390/polym15234585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 11/22/2023] [Accepted: 11/28/2023] [Indexed: 01/19/2024] Open
Abstract
The physical and mechanical properties of novel bio-based polymer blends of polylactic acid (PLA), poly(butylene succinate) (PBS), and poly (butylene adipate-co-terephthalate) (PBAT) with various added amounts of nanohydroxyapatite (nHA) were investigated in this study. The formulations of PLA/PBS/PBAT/nHA blends were divided into two series, A and B, containing 70 or 80 wt% PLA, respectively. Samples of four specimens per series were prepared using a twin-screw extruder, and different amounts of nHA were added to meet the regeneration needs of bone graft materials. FTIR and XRD analyses were employed to identify the presence of each polymer and nHA in the various blends. The crystallization behavior of these blends was examined using DSC. Tensile and impact strength tests were performed on all samples to screen feasible formulations of polymer blends for bone graft material applications. Surface morphology analyses were conducted using SEM, and the dispersion of nHA particles in the blends was further tested using TEM. The added nHA also served as a nucleating agent aimed at improving the crystallinity and mechanical properties of the blends. Through the above analyses, the physical and mechanical properties of the polymer blends are reported and the most promising bone graft material formulations are suggested. All blends were tested for thermal degradation analysis using TGA and thermal stability was confirmed. The water absorption experiments carried out in this study showed that the addition of nHA could improve the hydrophilicity of the blends.
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Affiliation(s)
- Pei-Hua Chen
- Department of Biomedical Engineering, National Taiwan University, Taipei 106319, Taiwan;
- Department of Orthopedics, Shuang Ho Hospital, Taipei Medical University, New Taipei City 235041, Taiwan
| | - Chin-Wen Chen
- Department of Molecular Science and Engineering, Institute of Organic and Polymeric Materials, Research and Development Center of Smart Textile Technology, National Taipei University of Technology, Taipei 106344, Taiwan;
| | - Hsu-I Mao
- Department of Molecular Science and Engineering, Institute of Organic and Polymeric Materials, Research and Development Center of Smart Textile Technology, National Taipei University of Technology, Taipei 106344, Taiwan;
| | - Chi-An Dai
- Department of Chemical Engineering, Institute of Polymer Science and Engineering, National Taiwan University, Taipei 106319, Taiwan;
| | - Chie-Shaan Su
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taipei 106344, Taiwan;
| | - Jung-Chin Tsai
- Department of Chemical Engineering, Ming Chi University of Technology, New Taipei City 243303, Taiwan;
| | - Feng-Huei Lin
- Department of Biomedical Engineering, National Taiwan University, Taipei 106319, Taiwan;
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Dehghanpour P, Emadi R, Salimijazi H. Influence of mechanochemically fabricated nano-hardystonite reinforcement in polycaprolactone scaffold for potential use in bone tissue engineering: Synthesis and characterization. J Mech Behav Biomed Mater 2023; 146:106100. [PMID: 37660447 DOI: 10.1016/j.jmbbm.2023.106100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 08/27/2023] [Accepted: 08/29/2023] [Indexed: 09/05/2023]
Abstract
Bone tissue engineering (BTE) has gained significant attention for the regeneration of bone tissue, particularly for critical-size bone defects. The aim of this research was first to synthesize nanopowders of hardystonite (HT) through ball milling and then to manufacture composite scaffolds for BTE use out of polycaprolactone (PCL) containing 0, 3, 5, and 10 wt% HT by electrospinning method. The crystallite size of the synthesized HT nanopowders was 42.8 nm. including up to 5 wt% HT into PCL scaffolds resulted in significant improvements, such as a reduction in the fiber diameter from 186.457±15.74 to 150.021±21.99 nm, a decrease in porosity volume from 85.2±2.5 to 80.3±3.3 %, an improvement in the mechanical properties (ultimate tensile strength: 5.7±0.2 MPa, elongation: 47.5±3.5 %, tensile modulus: 32.7±0.9 MPa), an improvement in the hydrophilicity, and biodegradability. Notably, PCL/5%HT exhibited the maximum cell viability (194±14 %). Additionally, following a 4-week of submersion in simulated body fluid (SBF), the constructed PCL/HT composite scaffolds showed a remarkable capacity to stimulate the development of hydroxyapatite (HA), which increased significantly for the 5 wt% HT scaffolds. However, at 10 wt% HT, nanopowder agglomeration led to an increase in the fiber diameter and a decrease in the mechanical characteristics. Collectively, the PCL/5%HT composite scaffolds can therefore help with the regeneration of the critical-size bone defects and offer tremendous potential for BTE applications.
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Affiliation(s)
- Pegah Dehghanpour
- Department of Materials Engineering, Isfahan University of Technology, Isfahan, 8415683111, Iran.
| | - Rahmatollah Emadi
- Department of Materials Engineering, Isfahan University of Technology, Isfahan, 8415683111, Iran.
| | - Hamidreza Salimijazi
- Department of Materials Engineering, Isfahan University of Technology, Isfahan, 8415683111, Iran
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Chitosan-Based Green Pea ( Pisum sativum L.) Pod Extract Gel Film: Characterization and Application in Food Packaging. Gels 2023; 9:gels9020077. [PMID: 36826247 PMCID: PMC9957094 DOI: 10.3390/gels9020077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 01/13/2023] [Accepted: 01/13/2023] [Indexed: 01/20/2023] Open
Abstract
This work focuses on studying the preparation, characterization (physical, mechanical, optical, and morphological properties as well as antioxidant and antimicrobial activities) and packaging application of chitosan (CH)-based gel films containing varying empty green pea pod extract (EPPE) concentrations (0, 1, 3, and 5% w/w). The experiments revealed that adding EPPE to CH increased the thickness (from 0.132 ± 0.08 to 0.216 ± 0.08 mm), density (from 1.13 ± 0.02 to 1.94 ± 0.02 g/cm3), and opacity (from 0.71 ± 0.02 to 1.23 ± 0.04), while decreasing the water vapour permeability, water solubility, oil absorption ratio, and whiteness index from 2.34 to 1.08 × 10-10 g-1 s-1 pa-1, from 29.40 ± 1.23 to 18.75 ± 1.94%, from 0.31 ± 0.006 to 0.08 ± 0.001%, and from 88.10 ± 0.43 to 77.53 ± 0.48, respectively. The EPPE films had better tensile strength (maximum of 26.87 ± 1.38 MPa), elongation percentage (maximum of 58.64 ± 3.00%), biodegradability (maximum of 48.61% after 3 weeks), and migration percentages than the pure CH-gel film. With the addition of EPPE, the antioxidant and antibacterial activity of the film improved. SEM revealed that as EPPE concentration increased, agglomerates formed within the films. Moreover, compared to control samples, packing corn oil in CH-based EPPE gel films slowed the rise of thiobarbituric acid and peroxide values. As an industrial application, CH-based EPPE films have the potential to be beneficial in food packaging.
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Yin S, Chen P, Zhang Z, Liang W, Ge X, Yu W, Liu H, Ge J. Mechanical and thermal properties of poly (butylene adipate‐butylene terephthalate) modified with phenol hydroxyl terminated polysiloxane. POLYM ENG SCI 2022. [DOI: 10.1002/pen.26137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Shuang Yin
- College of resources and environment ZhongKai University of Agriculture and Engineering Guangzhou China
| | - PeiJia Chen
- College of Chemical ZhongKai University of Agriculture and Engineering Guangzhou China
| | - ZhiCong Zhang
- College of Chemical ZhongKai University of Agriculture and Engineering Guangzhou China
| | - WeiJie Liang
- School of Materials Science and Engineering Northwestern Polytechnical University Xi'an China
| | - Xin Ge
- School of Materials and Energy Guangdong University of Technology Guangzhou China
| | - WeiYue Yu
- College of Chemical ZhongKai University of Agriculture and Engineering Guangzhou China
| | - HongJi Liu
- College of Chemical ZhongKai University of Agriculture and Engineering Guangzhou China
| | - JianFang Ge
- College of Chemical ZhongKai University of Agriculture and Engineering Guangzhou China
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Effect of Low Concentration of SiO2 Nanoparticles on Grape Seed Essential Oil/PBAT Composite Films for Sustainable Food Packaging Application. SUSTAINABILITY 2022. [DOI: 10.3390/su14138073] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Active packaging material has been used in the food industry to maintain the quality of packaged foods. The use of conventional polymers has serious environmental consequences due to improper disposal or recycling methods. Therefore, active packaging films based on biopolymers have been developed due to their excellent biocompatibility, degradability, and eco-friendliness. Amongst all essential oils, grape seed oil is considered to be a promising antimicrobial agent. It comprises large quantities of flavonoids, tocopherols, and other antimicrobial compounds. Grape seed essential oil has good antimicrobial and antioxidant activity. As a film, it is used to preserve food items such as poultry products, fish, and tomatoes. This work aimed to develop a polybutylene adipate terephthalate (PBAT) biocomposite film incorporated with natural grape seed essential oil (GEO) in addition to silica nanoparticles (SiO2 NPs) using the solution casting process. To achieve the desired packaging properties of the prepared PBAT-based film, the concentrations of grape seed essential oil as a plasticizer and nanosilica as a filler material were varied. The optical, physical, barrier, mechanical, surface hydrophobicity, and antibacterial properties of the PBAT/GEO/SiO2NP films were assessed. The FT-IR and XRD results indicated that GEO had effective miscibility with the PBAT/SiO2NP matrix. The addition of GEO increased the film flexibility, opacity, and antimicrobial activity, but the incorporation of SiO2NPs in the PBAT/GEO blend increased the tensile strength, thermal stability, and antimicrobial activities. The PBAT/GEO/SiO2NP films exhibited excellent antibacterial activity against food spoilage microorganisms. Finally, due to improved antimicrobial activities, film flexibility, optical, and heat resistance properties, the PBAT/GEO/NP nanocomposite films were found to have high potential for usage in active food packaging applications.
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Rahman B, Deliormanlı AM, Atmaca H. Evaluation of In Vitro Bioactivity, Cytotoxicity, and Drug Release Behavior of Er2O3 and Tb2O3-Containing Bioactive Glass Particles and Nanofibers. J Inorg Organomet Polym Mater 2022. [DOI: 10.1007/s10904-022-02373-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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8
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Liu W, Huang N, Yang J, Peng L, Li J, Chen W. Characterization and application of porous polylactic acid films prepared by nonsolvent-induced phase separation method. Food Chem 2022; 373:131525. [PMID: 34774380 DOI: 10.1016/j.foodchem.2021.131525] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Revised: 11/01/2021] [Accepted: 11/01/2021] [Indexed: 01/18/2023]
Abstract
Nonsolvent-induced phase separation (NIPS) method was employed to prepare polylactic acid (PLA) films using N-methyl-2-pyrrolidone (NMP) as a nonsolvent. The morphology and structure of PLA films were characterized, and the application of the films in pork preservation was investigated. When 10 wt% NMP was added, film with uniform porous structures was obtained. The crystalline and Fourier-transform infrared spectra analyses indicated that the addition of NMP during the preparation of PLA films caused their crystalline properties to change, but had no effect on their composition. However, the 10 wt% NMP/PLA film had improved thermal stability, water vapor transmission and oxygen permeability. The results on the changes in pH, total volatile basic nitrogen content and total viable counts of pork during refrigerated storage indicated that the 10 wt% NMP/PLA film could more effectively extend the shelf life of pork than polyethylene film. This work demonstrates the potential of the porous PLA film in pork packaging.
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Affiliation(s)
- Wenlong Liu
- Sichuan Key Laboratory of Meat Processing, Chengdu University, Chengdu 610106, China
| | - Nanlan Huang
- Sichuan Key Laboratory of Meat Processing, Chengdu University, Chengdu 610106, China
| | - Junjie Yang
- Sichuan Key Laboratory of Meat Processing, Chengdu University, Chengdu 610106, China
| | - Lianxin Peng
- Key Laboratory of Coarse Cereal Processing of Ministry of Agriculture and Rural Affairs, Chengdu University, Chengdu 610106, China
| | - Jing Li
- College of Food and Biological Engineering, Chengdu University, Chengdu 610106, China
| | - Weijun Chen
- Sichuan Key Laboratory of Meat Processing, Chengdu University, Chengdu 610106, China; College of Food and Biological Engineering, Chengdu University, Chengdu 610106, China.
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Improvement of Gas Barrier Properties for Biodegradable Poly(butylene adipate-co-terephthalate) Nanocomposites with MXene Nanosheets via Biaxial Stretching. Polymers (Basel) 2022; 14:polym14030480. [PMID: 35160469 PMCID: PMC8839497 DOI: 10.3390/polym14030480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 01/14/2022] [Accepted: 01/23/2022] [Indexed: 12/10/2022] Open
Abstract
In order to ease the white pollution problem, biodegradable packaging materials are highly demanded. In this work, the biodegradable poly (butylene adipate-co-terephthalate)/MXene (PBAT/Ti3C2TX) composite casting films were fabricated by melt mixing. Then, the obtained PBAT/Ti3C2TX composite casting films were biaxially stretched at different stretching ratios so as to reduce the water vapor permeability rate (WVPR) and oxygen transmission rate (OTR). It was expected that the combination of Ti3C2TX nanosheets and biaxial stretching could improve the water vapor and oxygen barrier performance of PBAT films. The scanning electron microscope (SEM) observation showed that the Ti3C2TX nanosheets had good compatibility with the PBAT matrix. The presence of Ti3C2TX acted as a nucleating agent to promote the crystallinity when the content was lower than 2 wt%. The mechanical tests showed that the incorporation of 1.0 wt% Ti3C2TX improved the tensile stress, elongation at break, and Young’s modulus of the PBAT/Ti3C2TX nanocomposite simultaneously, as compared with those of pure PBAT. The mechanical dynamical tests showed that the presence of Ti3C2TX significantly improved the storage modulus of the PBAT nanocomposite in a glassy state. Compared with pure PBAT, PBAT-1.0 with 1.0 wt% Ti3C2TX exhibited the lowest OTR of 782 cc/m2·day and 10.2 g/m2·day. The enhancement in gas barrier properties can be attributed to the presence of Ti3C2TX nanosheets, which can increase the effective diffusion path length for gases. With the biaxial stretching, the OTR and WVPR of PBAT-1.0 were further reduced to 732 cc/m2·day and 6.5 g/m2·day, respectively. The PBAT composite films with enhanced water vapor and water barrier performance exhibit a potential application in green packaging.
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Subbuvel M, Kavan P. Preparation and characterization of polylactic acid/fenugreek essential oil/curcumin composite films for food packaging applications. Int J Biol Macromol 2022; 194:470-483. [PMID: 34800525 DOI: 10.1016/j.ijbiomac.2021.11.090] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 11/11/2021] [Accepted: 11/14/2021] [Indexed: 11/05/2022]
Abstract
Curcumin and Fenugreek essential oil (FEO) were blended into the PLA matrix by solution casting technique to improve the functional properties of the composite film. Both fillers (curcumin and FEO) were properly combined and uniformly distributed in the polymer matrix to create a PLA-compatible composite evidenced by Scanning electron microscope (SEM) and Fourier Transform Infrared (FT-IR) results. The addition of FEO and curcumin to the composite film improved UV-blocking, surface color, tensile strength, flexibility, thickness, and Water contact angle (WCA). However, the inclusion of curcumin and FEO slightly diminish the Water vapor permeability (WVP) while maintaining its thermal stability. The PLA-based composite film exhibited good antibacterial and anti-oxidant properties. In addition, a food quality test was performed on strawberry, and the results were compared to the commercial (polyethylene) film.
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Affiliation(s)
- Mohan Subbuvel
- Department of Production Engineering, National Institute of Technology Tiruchirappalli, Tamil Nadu 620015, India
| | - Panneerselvem Kavan
- Department of Production Engineering, National Institute of Technology Tiruchirappalli, Tamil Nadu 620015, India.
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Ge FF, Tsou CH, Yuan S, De Guzman MR, Zeng CY, Li J, Jia CF, Cheng BY, Yang PC, Gao C. Barrier performance and biodegradability of antibacterial poly(butylene adipate-co-terephthalate) nanocomposites reinforced with a new MWCNT-ZnO nanomaterial. NANOTECHNOLOGY 2021; 32:485706. [PMID: 34359060 DOI: 10.1088/1361-6528/ac1b52] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Accepted: 08/05/2021] [Indexed: 06/13/2023]
Abstract
A new nanomaterial or nano-filler in the form of multiwalled carbon nanotube-zinc oxide (MWCNT-ZnO) was synthesized for the purpose of modifying poly(butylene adipate-co-terephthalate) (PBAT) and its derivative (modified PBAT or MPBAT) through a melt-blending method (MPBAT was obtained by introducing maleic anhydride groups into PBAT). The effect of the new nano-filler on the properties of resultant nanocomposites was determined from the characterization of mechanical properties, morphology, crystallinity, thermal stability, barrier properties, hydrophilicity, conductivity, antibacterial property, and biodegradability. The results showed that MPBAT nanocomposites had stronger mechanical properties, better barrier properties, and higher electrical conductivity than PBAT nanocomposites. Scanning electron microscopy illustrated that MWCNT-ZnO had better compatibility with MPBAT than with PBAT. At 0.2% MWCNT-ZnO, the MPBAT/MWCNT-ZnO nanocomposite film exhibited the greatest mechanical properties (17.74% increase in tensile strength, 22.17% in yield strength, and 14.29% in elongation at break). When the MWCNT-ZnO content was 0.4%, the nanocomposite film demonstrated the best water vapor barrier ability (an increase of 30.4%). The MPBAT/MWCNT-ZnO film with 0.6% MWCNT-ZnO turned out to have the best oxygen barrier performance (an increase of 130% relative to pure PBAT). It was shown from the results of antibacterial evaluation that the new nanomaterial could impart PBAT and MPBAT with antibacterial activity. The biodegradability tests indicated that an MWCNT-ZnO content of 0.2% could slightly reduce the biodegradability, and when the content was higher than 0.2%, the weight loss rate would increase.
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Affiliation(s)
- Fei-Fan Ge
- Material Corrosion and Protection Key Laboratory of Sichuan Province, School of Materials Science and Engineering, Sichuan University of Science and Engineering, Zigong 643000, People's Republic of China
| | - Chi-Hui Tsou
- Material Corrosion and Protection Key Laboratory of Sichuan Province, School of Materials Science and Engineering, Sichuan University of Science and Engineering, Zigong 643000, People's Republic of China
- Department of Materials and Textiles, Oriental Institute of Technology, Pan-Chiao 22064, Taiwan, Republic of China
- Department of Applied Cosmetology, Kao Yuan University, Kaohsiung County 82101, Taiwan, Republic of China
- Sichuan Golden-Elephant Sincerity Chemical Co. Ltd, Meishan 620010, People's Republic of China
- Sichuan Yibin Plastic Packaging Materials Co. Ltd, Yibin 644007, People's Republic of China
- Sichuan Zhixiangyi Technology Co. Ltd, Chengdu 610051, People's Republic of China
- Sichuan Zhirenfa Environmental Protection Technology Co. Ltd, Zigong 643000, People's Republic of China
- Center of Excellence in Textiles, Department of Materials Science, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Shuai Yuan
- Material Corrosion and Protection Key Laboratory of Sichuan Province, School of Materials Science and Engineering, Sichuan University of Science and Engineering, Zigong 643000, People's Republic of China
| | - Manuel Reyes De Guzman
- Material Corrosion and Protection Key Laboratory of Sichuan Province, School of Materials Science and Engineering, Sichuan University of Science and Engineering, Zigong 643000, People's Republic of China
| | - Chun-Yan Zeng
- Material Corrosion and Protection Key Laboratory of Sichuan Province, School of Materials Science and Engineering, Sichuan University of Science and Engineering, Zigong 643000, People's Republic of China
| | - Jun Li
- Chengdu Haiguang Nuclear Power Technology Service Co. Ltd, Chengdu 610051, People's Republic of China
| | - Chun-Fen Jia
- Material Corrosion and Protection Key Laboratory of Sichuan Province, School of Materials Science and Engineering, Sichuan University of Science and Engineering, Zigong 643000, People's Republic of China
| | - Bin-Yi Cheng
- Material Corrosion and Protection Key Laboratory of Sichuan Province, School of Materials Science and Engineering, Sichuan University of Science and Engineering, Zigong 643000, People's Republic of China
| | - Peng-Cheng Yang
- Material Corrosion and Protection Key Laboratory of Sichuan Province, School of Materials Science and Engineering, Sichuan University of Science and Engineering, Zigong 643000, People's Republic of China
| | - Chen Gao
- Material Corrosion and Protection Key Laboratory of Sichuan Province, School of Materials Science and Engineering, Sichuan University of Science and Engineering, Zigong 643000, People's Republic of China
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12
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Wang X, Li Z, Wang C, Bai H, Wang Z, Liu Y, Bao Y, Ren M, Liu H, Wang J. Enlightenment of Growth Plate Regeneration Based on Cartilage Repair Theory: A Review. Front Bioeng Biotechnol 2021; 9:654087. [PMID: 34150725 PMCID: PMC8209549 DOI: 10.3389/fbioe.2021.654087] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 05/10/2021] [Indexed: 01/21/2023] Open
Abstract
The growth plate (GP) is a cartilaginous region situated between the epiphysis and metaphysis at the end of the immature long bone, which is susceptible to mechanical damage because of its vulnerable structure. Due to the limited regeneration ability of the GP, current clinical treatment strategies (e.g., bone bridge resection and fat engraftment) always result in bone bridge formation, which will cause length discrepancy and angular deformity, thus making satisfactory outcomes difficult to achieve. The introduction of cartilage repair theory and cartilage tissue engineering technology may encourage novel therapeutic approaches for GP repair using tissue engineered GPs, including biocompatible scaffolds incorporated with appropriate seed cells and growth factors. In this review, we summarize the physiological structure of GPs, the pathological process, and repair phases of GP injuries, placing greater emphasis on advanced tissue engineering strategies for GP repair. Furthermore, we also propose that three-dimensional printing technology will play a significant role in this field in the future given its advantage of bionic replication of complex structures. We predict that tissue engineering strategies will offer a significant alternative to the management of GP injuries.
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Affiliation(s)
- Xianggang Wang
- Orthopaedic Medical Center, The Second Hospital of Jilin University, Changchun, China.,Orthopaedic Research Institute of Jilin Province, Changchun, China
| | - Zuhao Li
- Orthopaedic Medical Center, The Second Hospital of Jilin University, Changchun, China.,Orthopaedic Research Institute of Jilin Province, Changchun, China
| | - Chenyu Wang
- Department of Plastic and Reconstructive Surgery, The First Hospital of Jilin University, Changchun, China
| | - Haotian Bai
- Orthopaedic Medical Center, The Second Hospital of Jilin University, Changchun, China.,Orthopaedic Research Institute of Jilin Province, Changchun, China
| | - Zhonghan Wang
- Orthopaedic Medical Center, The Second Hospital of Jilin University, Changchun, China.,Orthopaedic Research Institute of Jilin Province, Changchun, China
| | - Yuzhe Liu
- Orthopaedic Medical Center, The Second Hospital of Jilin University, Changchun, China.,Orthopaedic Research Institute of Jilin Province, Changchun, China
| | - Yirui Bao
- Department of Orthopedics, Chinese PLA 965 Hospital, Jilin, China
| | - Ming Ren
- Orthopaedic Medical Center, The Second Hospital of Jilin University, Changchun, China.,Orthopaedic Research Institute of Jilin Province, Changchun, China
| | - He Liu
- Orthopaedic Medical Center, The Second Hospital of Jilin University, Changchun, China.,Orthopaedic Research Institute of Jilin Province, Changchun, China
| | - Jincheng Wang
- Orthopaedic Medical Center, The Second Hospital of Jilin University, Changchun, China.,Orthopaedic Research Institute of Jilin Province, Changchun, China
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13
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Chen L, Dong Q, Shi Q, Du Y, Zeng Q, Zhao Y, Wang JJ. Novel 2,3-Dialdehyde Cellulose-Based Films with Photodynamic Inactivation Potency by Incorporating the β-Cyclodextrin/Curcumin Inclusion Complex. Biomacromolecules 2021; 22:2790-2801. [PMID: 34077200 DOI: 10.1021/acs.biomac.1c00165] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Antibacterial packaging film mediated by photodynamic inactivation (PDI) is a new concept in food industry. The objective of this study was to fabricate a green 2,3-dialdehyde cellulose (DAC)-based antimicrobial film with PDI potency by incorporating the β-cyclodextrin/curcumin (β-CD/Cur) complex as a photosensitizer. The PDI-mediated films were characterized by evaluating the surface morphology, chemical structure, light transmittance, mechanical properties, photochemical and thermal stability, and water solubility. The results showed that the DAC-CD/Cur films were soluble in water and mechanically strong with a tensile strength of 63.87 MPa and an elongation break of 1.32%, which was attributed to the formation of hydrogen bonds between DAC and β-CD/Cur molecules. Meanwhile, the composite films possessed a good light transmittance but impeded the penetration of ultraviolet light and efficiently delayed the degradation of curcumin. More importantly, the PDI-mediated films exhibited a broad-spectrum ability to kill Listeria monocytogenes, Vibrio parahaemolyticus, and Shewanella putrefaciens in pure culture. Notably, they also potently inactivated these harmful bacteria on ready-to-eat salmon with a maximum of ∼4 Log CFU/g (99.99%) reduction after 60 min irradiation (13.68 J/cm2). Therefore, the PDI-mediated DAC-CD/Cur films are novel and promising antimicrobial food packaging films in food industry.
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Affiliation(s)
- Lu Chen
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Qingfeng Dong
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Qiandai Shi
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Yu Du
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources Conferred by Ministry of Education, Shanghai Ocean University, Shanghai 201306, China
| | - Qiaohui Zeng
- Department of Food Science, Foshan University, Foshan 528000, China
| | - Yong Zhao
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China.,Laboratory of Quality & Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), Ministry of Agriculture and Rural Affairs, Shanghai 201306, China
| | - Jing Jing Wang
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China.,Department of Food Science, Foshan University, Foshan 528000, China
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