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Wei X, Zhang Z, Wang L, Yan L, Yan Y, Wang C, Peng H, Fan X. Enhancing osteoblast proliferation and bone regeneration by poly (amino acid)/selenium-doped hydroxyapatite. Biomed Mater 2024; 19:035025. [PMID: 38537374 DOI: 10.1088/1748-605x/ad38ac] [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: 11/25/2023] [Accepted: 03/26/2024] [Indexed: 04/05/2024]
Abstract
Among various biomaterials employed for bone repair, composites with good biocompatibility and osteogenic ability had received increasing attention from biomedical applications. In this study, we doped selenium (Se) into hydroxyapatite (Se-HA) by the precipitation method, and prepared different amounts of Se-HA-loaded poly (amino acid)/Se-HA (PAA/Se-HA) composites (0, 10 wt%, 20 wt%, 30 wt%) byin-situmelting polycondensation. The physical and chemical properties of PAA/Se-HA composites were characterized by x-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), scanning electron microscopy (SEM) and their mechanical properties. XRD and FT-IR results showed that PAA/Se-HA composites contained characteristic peaks of PAA and Se-HA with amide linkage and HA structures. DSC and TGA results specified the PAA/Se-HA30 composite crystallization, melting, and maximum weight loss temperatures at 203.33 °C, 162.54 °C, and 468.92 °C, respectively, which implied good thermal stability. SEM results showed that Se-HA was uniformly dispersed in PAA. The mechanical properties of PAA/Se-HA30 composites included bending, compressive, and yield strengths at 83.07 ± 0.57, 106.56 ± 0.46, and 99.17 ± 1.11 MPa, respectively. The cellular responses of PAA/Se-HA compositesin vitrowere studied using bone marrow mesenchymal stem cells (BMSCs) by cell counting kit-8 assay, and results showed that PAA/Se-HA30 composites significantly promoted the proliferation of BMSCs at the concentration of 2 mg ml-1. The alkaline phosphatase activity (ALP) and alizarin red staining results showed that the introduction of Se-HA into PAA enhanced ALP activity and formation of calcium nodule. Western blotting and Real-time polymerase chain reaction results showed that the introduction of Se-HA into PAA could promoted the expression of osteogenic-related proteins and mRNA (integrin-binding sialoprotein, osteopontin, runt-related transcription factor 2 and Osterix) in BMSCs. A muscle defect at the back and a bone defect at the femoral condyle of New Zealand white rabbits were introduced for evaluating the enhancement of bone regeneration of PAA and PAA/Se-HA30 composites. The implantation of muscle tissue revealed good biocompatibility of PAA and PAA/Se-HA30 composites. The implantation of bone defect showed that PAA/Se-HA30 composites enhanced bone formation at the defect site (8 weeks), exhibiting good bone conductivity. Therefore, the PAA-based composite was a promising candidate material for bone tissue regeneration.
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Affiliation(s)
- Xiaobo Wei
- Medical College, Yan'an University, Yan'an 716000, People's Republic of China
| | - Ziyue Zhang
- Medical College, Yan'an University, Yan'an 716000, People's Republic of China
| | - Lei Wang
- Medical College, Yan'an University, Yan'an 716000, People's Republic of China
| | - Lin Yan
- Medical College, Yan'an University, Yan'an 716000, People's Republic of China
| | - Yonggang Yan
- College of Physical Science and Technology, Sichuan University, Chengdu 610064, People's Republic of China
| | - Cheng Wang
- Medical College, Yan'an University, Yan'an 716000, People's Republic of China
| | - Haitao Peng
- Medical College, Yan'an University, Yan'an 716000, People's Republic of China
| | - Xiaoxia Fan
- Medical College, Yan'an University, Yan'an 716000, People's Republic of China
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Raman and XANES Spectroscopic Study of the Influence of Coordination Atomic and Molecular Environments in Biomimetic Composite Materials Integrated with Dental Tissue. NANOMATERIALS 2021; 11:nano11113099. [PMID: 34835863 PMCID: PMC8625886 DOI: 10.3390/nano11113099] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 11/11/2021] [Accepted: 11/15/2021] [Indexed: 12/18/2022]
Abstract
In this work, for the first time, the influence of the coordination environment as well as Ca and P atomic states on biomimetic composites integrated with dental tissue was investigated. Bioinspired dental composites were synthesised based on nanocrystalline calcium carbonate-substituted hydroxyapatite Ca4ICa6IIPO46−xCO3x+yOH2−y (nano-cHAp) obtained from a biogenic source and a set of polar amino acids that modelled the organic matrix. Biomimetic composites, as well as natural dental tissue samples, were investigated using Raman spectromicroscopy and synchrotron X-ray absorption near edge structure (XANES) spectroscopy. Molecular structure and energy structure studies revealed several important features related to the different calcium atomic environments. It was shown that biomimetic composites created in order to reproduce the physicochemical properties of dental tissue provide good imitation of molecular and electron energetic properties, including the carbonate anion CO32− and the atomic Ca/P ratio in nanocrystals. The features of the molecular structure of biomimetic composites are inherited from the nano-cHAp (to a greater extent) and the amino acid cocktail used for their creation, and are caused by the ratio between the mineral and organic components, which is similar to the composition of natural enamel and dentine. In this case, violation of the nano-cHAp stoichiometry, which is the mineral basis of the natural and bioinspired composites, as well as the inclusion of different molecular groups in the nano-cHAp lattice, do not affect the coordination environment of phosphorus atoms. The differences observed in the molecular and electron energetic structures of the natural enamel and dentine and the imitation of their properties by biomimetic materials are caused by rearrangement in the local environment of the calcium atoms in the HAp crystal lattice. The surface of the nano-cHAp crystals in the natural enamel and dentine involved in the formation of bonds with the organic matrix is characterised by the coordination environment of the calcium atom, corresponding to its location in the CaI position—that is, bound through common oxygen atoms with PO4 tetrahedrons. At the same time, on the surface of nano-cHAp crystals in bioinspired dental materials, the calcium atom is characteristically located in the CaII position, bound to the hydroxyl OH group. The features detected in the atomic and molecular coordination environment in nano-cHAp play a fundamental role in recreating a biomimetic dental composite of the natural organomineral interaction in mineralised tissue and will help to find an optimal way to integrate the dental biocomposite with natural tissue.
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Luo L, Li P, Ren H, Ding Z, Yan Y, Li S, Yin J. Effects of bovine cancellous bone powder/poly amino acid composites on cellular behaviors and osteogenic performances. Biomed Mater 2021; 16. [PMID: 34157688 DOI: 10.1088/1748-605x/ac0d94] [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: 02/05/2021] [Accepted: 06/22/2021] [Indexed: 11/11/2022]
Abstract
Xenogeneic bone has good biological activity, but eliminating immunogenicity, while retaining osteogenic abilities, is a challenge. By combining xenogeneic bone with poly amino acid (PAA) that has an amide bond structure, a new type of composite conforming to bionics and low immunogenicity may be obtained. In this study, according to the principles of component bionics, three composites of delipidized cancellous bone powder (DCBP) and PAA were designed and obtained by anin situpolycondensation method, an extrusion molding (EM) method, and a solution-blend method. The three composites were all macroscopically uniform, non-cytotoxic, and demonstrated low immunogenicity by effective removal of residual antigens during preparation. Compared with PAA, mouse bone marrow mesenchymal stem cells (BMSCs) on the surfaces of three composites showed different cellular morphologies. The effects of different preparation methods and cellular morphology on cellular differentiation were confirmed by alkaline phosphatase activity, calcium nodule formation and the expression levels of osteogenic differentiation-related genes (bone morphogenetic protein 2, runt-related transcription factor 2, osteopontin and osteocalcin). Among these composites, DCBP/PAA EM showed best cell proliferation and osteogenic differentiationin vitro, and possessed greater bone formation than PAA in a rabbit femoral condyle study. This study may provide a new method for preparing bioactive bone repair materials with low immunogenicity and superior ability to stimulate differentiation of BMSCsin vitroand osteogenesisin vivo. DCBP/PAA EM might be a promising bone repair material for bone defect treatment.
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Affiliation(s)
- Lin Luo
- College of Physics, Sichuan University, Chengdu, People's Republic of China
| | - Pengcheng Li
- College of Physics, Sichuan University, Chengdu, People's Republic of China
| | - Haohao Ren
- College of Physics, Sichuan University, Chengdu, People's Republic of China
| | - Zhengwen Ding
- College of Physics, Sichuan University, Chengdu, People's Republic of China
| | - Yonggang Yan
- College of Physics, Sichuan University, Chengdu, People's Republic of China
| | - Shuyang Li
- Sichuan Provincial Laboratory of Orthopaedic Engineering, The Affiliated Hospital of Southwest Medical University, Luzhou, People's Republic of China
| | - Jie Yin
- School of Automation and Information Engineering, Sichuan University of Science and Engineering, Zigong, People's Republic of China
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Wang X, Zhao D, Ren H, Yan Y, Li S. Biological evaluation of the modified nano-amorphous phosphate calcium doped with citrate/poly-amino acid composite as a potential candidate for bone repair and reconstruction. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2021; 32:16. [PMID: 33491099 PMCID: PMC7829244 DOI: 10.1007/s10856-020-06482-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Accepted: 12/18/2020] [Indexed: 06/12/2023]
Abstract
Large numbers of research works related to fabricating organic-inorganic composite materials have been carried out to mimic the natural structure of bone. In this study, a new modified n-ACP doped with citrate (n-ACP-cit)/poly (amino acids) (PAA) composite (n-ACP-cit/PAA) was synthesized by employing high bioactive n-ACP-cit and the biodegradable and biocompatible PAA copolymer. Its basic structure was characterized by X-ray diffraction spectroscopy, Fourier transformed infrared spectroscopy, and X-ray photoelectron spectroscopy. Moreover, the degradability, bioactivity, biocompatibility, and osteoconductivity of n-ACP-cit/PAA composite were evaluated in vitro and in vivo, using simulated body fluid (SBF) solution soaking test, mouse bone marrow mesenchymal stem cells proliferation and differentiation, morphological observation test, expression of genes associated with osteogenesis, and bone defect model repair test, respectively. The modified n-ACP-cit/PAA composite exhibited a much higher weight loss rate (36.01 wt.%) than that of PAA (23.99 wt.%) after immersing in SBF solution for 16 weeks and the pH values of local environment restored to neutral condition. Moreover, cells co-culturing with composites exhibited higher alkaline phosphatase activity, more calcium nodule-formation, and higher expression levels of osteogenic differentiation-related genes (Bmp-2, Colla I, OCN, OPN, and Runx-2) than that of PAA. Furthermore, the bone defect model repair test revealed that the composite could be intimately incorporated with the surrounding bone without causing any deleterious reaction and capable of guiding new bone formation. Together, these results indicated that the new modified bone repair n-ACP-cit/PAA composite material with specific characteristics may be designed for meeting diverse requirements from biomedical applications.
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Affiliation(s)
- Xiaomei Wang
- College of Physics, Sichuan University, Chengdu, 610064, China
- Collaborative Innovation Center of Tissue Repair Material of Sichuan Province, College of Life Sciences, China West Normal University, Nanchong, 637009, China
| | - Dechuan Zhao
- Collaborative Innovation Center of Tissue Repair Material of Sichuan Province, College of Life Sciences, China West Normal University, Nanchong, 637009, China
| | - Haohao Ren
- College of Physics, Sichuan University, Chengdu, 610064, China.
| | - Yonggang Yan
- College of Physics, Sichuan University, Chengdu, 610064, China.
| | - Shuyang Li
- College of Physics, Sichuan University, Chengdu, 610064, China
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Luo L, Li S, Ji M, Ding Z, Yan Y, Yin J, Xiong Y. Preparation of a novel bovine cancellous bone/poly-amino acid composite with low immunogenicity, proper strength, and cytocompatibility in vitro. J Biomed Mater Res A 2020; 109:1490-1501. [PMID: 33258539 DOI: 10.1002/jbm.a.37139] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Revised: 08/25/2020] [Accepted: 11/28/2020] [Indexed: 02/02/2023]
Abstract
In this work, the delipidized and deproteinized bovine cancellous bone powder/poly-amino acid (DDBP/PAA) composite was fabricated by extrusion-injection molding method for the first time. After about 70% clearance rate by the delipidization and deproteinization procedures, the residual antigens of galactosyl α-(1, 3)-galactosyl β-1,4-N-aeetylglueosaminyl (α-Gal) and major histocompatibility complex (MHC) II were basically eliminated by the extrusion-injection molding process, which may cause high titer of antibody and lead to hyperacute rejection or chronic immune toxicity. Meanwhile, the natural BMP II and apatite in bovine bone were kept in DDBP/PAA composite. After 26 weeks of immersion in simulated body fluid, the DDBP/PAA composite remained the intact appearance, 96.4% of weight, and 69.2% of compressive strength, and these showed sufficient degradation stability. The composite also exhibited excellent attachment and proliferation abilities of mouse bone marrow mesenchymal stem cells (mMSCs). The results herein suggested that the DDBP/PAA composite was expected to be a load-bearing transplant with some natural ingredients for hard tissue repair.
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Affiliation(s)
- Lin Luo
- College of Physics, Sichuan University, Chengdu, Sichuan, China
| | - Shuyang Li
- College of Physics, Sichuan University, Chengdu, Sichuan, China
| | - Mizhi Ji
- College of Physics, Sichuan University, Chengdu, Sichuan, China
| | - Zhengwen Ding
- College of Physics, Sichuan University, Chengdu, Sichuan, China
| | - Yonggang Yan
- College of Physics, Sichuan University, Chengdu, Sichuan, China
| | - Jie Yin
- School of Automation and Information Engineering, Sichuan University of Science and Engineering, Zigong, Sichuan, China
| | - Yi Xiong
- College of Physics, Sichuan University, Chengdu, Sichuan, China
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Zheng H, Dai Z, Wei J, Li L, Peng H, Yang A, Li H, Lv G. Degradability and biocompatibility of bioglass/poly(amino acid) composites with different surface bioactivity as bone repair materials. J Appl Polym Sci 2020. [DOI: 10.1002/app.49751] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Heng Zheng
- College of Physics Sichuan University Chengdu Sichuan China
| | - Zhenyu Dai
- Department of Orthopaedics Chongqing Traditional Chinese Medicine Hospital Chongqing China
| | - Jie Wei
- Key Laboratory for Ultrafine Materials of Ministry of Education East China University of Science and Technology Shanghai China
| | - Lin Li
- College of Physics Sichuan University Chengdu Sichuan China
| | - Haitao Peng
- College of Physics Sichuan University Chengdu Sichuan China
| | - Aiping Yang
- College of Physics Sichuan University Chengdu Sichuan China
| | - Hong Li
- College of Physics Sichuan University Chengdu Sichuan China
| | - Guoyu Lv
- College of Physics Sichuan University Chengdu Sichuan China
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Lu A, Petit E, Jelonek K, Orchel A, Kasperczyk J, Wang Y, Su F, Li S. Self-assembled micelles prepared from bio-based hydroxypropyl methyl cellulose and polylactide amphiphilic block copolymers for anti-tumor drug release. Int J Biol Macromol 2020; 154:39-47. [DOI: 10.1016/j.ijbiomac.2020.03.094] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2020] [Revised: 03/04/2020] [Accepted: 03/11/2020] [Indexed: 12/11/2022]
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Lu A, Petit E, Li S, Wang Y, Su F, Monge S. Novel thermo-responsive micelles prepared from amphiphilic hydroxypropyl methyl cellulose-block-JEFFAMINE copolymers. Int J Biol Macromol 2019; 135:38-45. [DOI: 10.1016/j.ijbiomac.2019.05.087] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Revised: 05/13/2019] [Accepted: 05/13/2019] [Indexed: 11/26/2022]
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Lu L, Xing C, Xin S, Shitao Y, Feng S, Shiwei L, Fusheng L, Congxia X. Alkyl chitosan film-high strength, functional biomaterials. J Biomed Mater Res A 2017; 105:3034-3041. [DOI: 10.1002/jbm.a.36163] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2017] [Revised: 06/07/2017] [Accepted: 07/28/2017] [Indexed: 12/13/2022]
Affiliation(s)
- Li Lu
- College of Chemical Engineering; Qingdao University of Science and Technology; Qingdao People's Republic of China
- Department of Materials Science and Engineering; The Pennsylvania State University, University Park; Pennsylvania 16802
- Department of Bioengineering; The Pennsylvania State University, University Park; Pennsylvania 16802
| | - Cao Xing
- College of Chemical Engineering; Qingdao University of Science and Technology; Qingdao People's Republic of China
| | - Shen Xin
- College of Polymer Science and Engineering; Qingdao University of Science and Technology; Qingdao People's Republic of China
| | - Yu Shitao
- College of Chemical Engineering; Qingdao University of Science and Technology; Qingdao People's Republic of China
| | - Su Feng
- College of Chemical Engineering; Qingdao University of Science and Technology; Qingdao People's Republic of China
| | - Liu Shiwei
- College of Chemical Engineering; Qingdao University of Science and Technology; Qingdao People's Republic of China
| | - Liu Fusheng
- College of Chemical Engineering; Qingdao University of Science and Technology; Qingdao People's Republic of China
| | - Xie Congxia
- Key Laboratory of Eco-Chemical Engineering, Ministry of Education, College of Chemistry and Molecular Engineering; Qingdao University of Science and Technology; Qingdao People's Republic of China
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Shen X, Liu X, Li R, Yun P, Li C, Su F, Li S. Biocompatibility of filomicelles prepared from poly(ethylene glycol)-polylactide diblock copolymers as potential drug carrier. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2017. [DOI: 10.1080/09205063.2017.1344383] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Xin Shen
- School of Polymer Science and Engineering, Qingdao University of Science and Technology, Qingdao, China
| | - Xue Liu
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, China
| | - Rongye Li
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, China
| | - Peng Yun
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, China
| | - Chenglong Li
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, China
| | - Feng Su
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, China
| | - Suming Li
- Institut Europeen des Membranes, UMR-5635, Universite de Montpellier, ENSCM, CNRS, Montpellier, France
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Jun W, Peng W, Dianming J, Hong L, Cong L, Xing L, Xiangyang Q, Yujiang C, Ming L. In vitroandin vivocharacterization of strontium-containing calcium sulfate/poly(amino acid) composite as a novel bioactive graft for bone regeneration. RSC Adv 2017. [DOI: 10.1039/c7ra10523a] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Doped strontium enhanced the biological activity of CS/PAA composites for repairing large bone defects.
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Affiliation(s)
- Wu Jun
- Department of Orthopaedics
- Children's Hospital of Chongqing Medical University
- Ministry of Education Key Laboratory of Child Development and Disorders
- Chongqing Key Laboratory of Pediatrics
- China International Science and Technology Cooperation base of Child development and Critical Disorders
| | - Wang Peng
- Sichuan Guona Science and Technology Co., Ltd
- Chengdu 610041
- People's Republic of China
| | - Jiang Dianming
- Center of Bone and Trauma
- The Third Affiliated Hospital of Chongqing Medical University
- Chongqing 400016
- People's Republic of China
| | - Li Hong
- Sichuan Guona Science and Technology Co., Ltd
- Chengdu 610041
- People's Republic of China
| | - Luo Cong
- Department of Orthopaedics
- Children's Hospital of Chongqing Medical University
- Ministry of Education Key Laboratory of Child Development and Disorders
- Chongqing Key Laboratory of Pediatrics
- China International Science and Technology Cooperation base of Child development and Critical Disorders
| | - Liu Xing
- Department of Orthopaedics
- Children's Hospital of Chongqing Medical University
- Ministry of Education Key Laboratory of Child Development and Disorders
- Chongqing Key Laboratory of Pediatrics
- China International Science and Technology Cooperation base of Child development and Critical Disorders
| | - Qu Xiangyang
- Department of Orthopaedics
- Children's Hospital of Chongqing Medical University
- Ministry of Education Key Laboratory of Child Development and Disorders
- Chongqing Key Laboratory of Pediatrics
- China International Science and Technology Cooperation base of Child development and Critical Disorders
| | - Cao Yujiang
- Department of Orthopaedics
- Children's Hospital of Chongqing Medical University
- Ministry of Education Key Laboratory of Child Development and Disorders
- Chongqing Key Laboratory of Pediatrics
- China International Science and Technology Cooperation base of Child development and Critical Disorders
| | - Li Ming
- Department of Orthopaedics
- Children's Hospital of Chongqing Medical University
- Ministry of Education Key Laboratory of Child Development and Disorders
- Chongqing Key Laboratory of Pediatrics
- China International Science and Technology Cooperation base of Child development and Critical Disorders
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Cao C, Song Y, Yao Q, Yao Y, Wang T, Huang B, Gong P. Preparation and preliminaryin vitroevaluation of a bFGF-releasing heparin-conjugated poly(ε-caprolactone) membrane for guided bone regeneration. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2015; 26:600-16. [DOI: 10.1080/09205063.2015.1049044] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Shen X, Su F, Dong J, Fan Z, Duan Y, Li S. In vitrobiocompatibility evaluation of bioresorbable copolymers prepared froml-lactide, 1, 3-trimethylene carbonate, and glycolide for cardiovascular applications. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2015; 26:497-514. [DOI: 10.1080/09205063.2015.1030992] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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