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Chen Z, Wei Y, Liang L, Wang X, Peng F, Liang Y, Huang X, Yan K, Gao Y, Li K, Huang X, Jiang X, Chen W. Theaflavin -3,3'-digallate/ethanol: a novel cross-linker for stabilizing dentin collagen. Front Bioeng Biotechnol 2024; 12:1401032. [PMID: 38812911 PMCID: PMC11133682 DOI: 10.3389/fbioe.2024.1401032] [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: 03/14/2024] [Accepted: 04/16/2024] [Indexed: 05/31/2024] Open
Abstract
Objectives To study the ability of theaflavin-3,3'-digallate (TF3)/ethanol solution to crosslink demineralized dentin collagen, resist collagenase digestion, and explore the potential mechanism. Methods Fully demineralized dentin blocks were prepared using human third molars that were caries-free. Then, these blocks were randomly allocated into 14 separate groups (n = 6), namely, control, ethanol, 5% glutaraldehyde (GA), 12.5, 25, 50, and 100 mg/ml TF3/ethanol solution groups. Each group was further divided into two subgroups based on crosslinking time: 30 and 60 s. The efficacy and mechanism of TF3's interaction with dentin type I collagen were predicted through molecular docking. The cross-linking, anti-enzymatic degradation, and biomechanical properties were studied by weight loss, hydroxyproline release, scanning/transmission electron microscopy (SEM/TEM), in situ zymography, surface hardness, thermogravimetric analysis, and swelling ratio. Fourier transform infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS), and Raman spectroscopy were utilized to explore its mechanisms. Statistical analysis was performed using one and two-way analysis of variance and Tukey's test. Results TF3/ethanol solution could effectively crosslink demineralized dentin collagen and improve its resistance to collagenase digestion and biomechanical properties (p < 0.05), showing concentration and time dependence. The effect of 25 and 50 mg/ml TF3/ethanol solution was similar to that of 5% GA, whereas the 100 mg/mL TF3/ethanol solution exhibited better performance (p < 0.05). TF3 and dentin type I collagen are mainly cross-linked by hydrogen bonds, and there may be covalent and hydrophobic interactions. Conclusion TF3 has the capability to efficiently cross-link demineralized dentin collagen, enhancing its resistance to collagenase enzymatic hydrolysis and biomechanical properties within clinically acceptable timeframes (30 s/60 s). Additionally, it exhibits promise in enhancing the longevity of dentin adhesion.
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Affiliation(s)
- Zhiyong Chen
- Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Clinical Research Center for Craniofacial Deformity, College & Hospital of Stomatology, Guangxi Medical University, Nanning, China
- Department of Prosthodontics, College & Hospital of Stomatology, Guangxi Medical University, Nanning, China
| | - Yingxian Wei
- Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Clinical Research Center for Craniofacial Deformity, College & Hospital of Stomatology, Guangxi Medical University, Nanning, China
| | - Likun Liang
- Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Clinical Research Center for Craniofacial Deformity, College & Hospital of Stomatology, Guangxi Medical University, Nanning, China
| | - Xu Wang
- Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Clinical Research Center for Craniofacial Deformity, College & Hospital of Stomatology, Guangxi Medical University, Nanning, China
| | - Fangfei Peng
- Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Clinical Research Center for Craniofacial Deformity, College & Hospital of Stomatology, Guangxi Medical University, Nanning, China
| | - Yiying Liang
- Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Clinical Research Center for Craniofacial Deformity, College & Hospital of Stomatology, Guangxi Medical University, Nanning, China
| | - Xin Huang
- Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Clinical Research Center for Craniofacial Deformity, College & Hospital of Stomatology, Guangxi Medical University, Nanning, China
| | - Kaiqi Yan
- Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Clinical Research Center for Craniofacial Deformity, College & Hospital of Stomatology, Guangxi Medical University, Nanning, China
| | - Yunxia Gao
- Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Clinical Research Center for Craniofacial Deformity, College & Hospital of Stomatology, Guangxi Medical University, Nanning, China
| | - Kangjing Li
- Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Clinical Research Center for Craniofacial Deformity, College & Hospital of Stomatology, Guangxi Medical University, Nanning, China
- Department of Endodontics, College & Hospital of Stomatology, Guangxi Medical University, Nanning, China
| | - Xiaoman Huang
- Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Clinical Research Center for Craniofacial Deformity, College & Hospital of Stomatology, Guangxi Medical University, Nanning, China
| | - Xinglu Jiang
- Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Clinical Research Center for Craniofacial Deformity, College & Hospital of Stomatology, Guangxi Medical University, Nanning, China
- Clinical Laboratory Medicine Department, College & Hospital of Stomatology, Guangxi Medical University, Nanning, China
| | - Wenxia Chen
- Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Clinical Research Center for Craniofacial Deformity, College & Hospital of Stomatology, Guangxi Medical University, Nanning, China
- Department of Endodontics, College & Hospital of Stomatology, Guangxi Medical University, Nanning, China
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Parveen S, Basu M, Chowdhury P, Dhara T, DasGupta S, Das S, Dasgupta S. Surface modification of polydimethylsiloxane by the cataractous eye protein isolate. Int J Biol Macromol 2024; 260:129470. [PMID: 38237817 DOI: 10.1016/j.ijbiomac.2024.129470] [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: 11/01/2023] [Revised: 01/05/2024] [Accepted: 01/11/2024] [Indexed: 01/27/2024]
Abstract
Polydimethylsiloxane (PDMS), even though widely used in microfluidic applications, its hydrophobic nature restricts its utility in some cases. To address this, PDMS may be used in conjunction with a hydrophilic material. Herein, the PDMS surface is modified by plasma treatment followed by cross-linking with the cataractous eye protein isolate (CEPI). CEPI-PDMS composites are prepared at three pH and the effects of CEPI on the chemical, physical, and electrical properties of PDMS are extensively investigated. The cross-linking between PDMS and the protein are confirmed by FTIR, and the contact angle measurements indicate the improved hydrophilic nature of the composite films as compared to PDMS. Atomic Force Microscopy results demonstrate that the surface roughness is enhanced by the incorporation of the protein and is a function of the pH. The effective elastic modulus of the composites is improved by the incorporation of protein into the PDMS matrix. Measurements of the dielectric properties of these composites indicate that they behave as capacitors at lower frequency range while demonstrating resistive characteristics at higher frequency. These composites provide preliminary ideas in developing flexible devices for potential applications in diverse areas such as energy storage materials, and thermo-elective wireless switching devices.
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Affiliation(s)
- Sultana Parveen
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, West Bengal, India
| | - Mainak Basu
- Advanced Technology Development Center, Indian Institute of Technology Kharagpur, Kharagpur 721302, West Bengal, India
| | - Prasun Chowdhury
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, West Bengal, India
| | - Trina Dhara
- Department of Chemical Engineering, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
| | - Sunando DasGupta
- Advanced Technology Development Center, Indian Institute of Technology Kharagpur, Kharagpur 721302, West Bengal, India; Department of Chemical Engineering, Indian Institute of Technology Kharagpur, Kharagpur 721302, India.
| | - Soumen Das
- Advanced Technology Development Center, Indian Institute of Technology Kharagpur, Kharagpur 721302, West Bengal, India; School of Medical Science and Technology, Indian Institute of Technology, Kharagpur 721302, India
| | - Swagata Dasgupta
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, West Bengal, India.
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Esmaeili A, Rahimi A, Abbasi A, Hasannejad-Asl B, Bagheri-Mohammadi S, Farjami M, Keshel SH. Processing and post-processing of fish skin as a novel material in tissue engineering. Tissue Cell 2023; 85:102238. [PMID: 37832248 DOI: 10.1016/j.tice.2023.102238] [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: 08/08/2023] [Revised: 10/05/2023] [Accepted: 10/06/2023] [Indexed: 10/15/2023]
Abstract
As a natural material, fish skin contains significant amounts of collagen I and III, and due to its biocompatible nature, it can be used to regenerate various tissues and organs. To use fish skin, it is necessary to perform the decellularization process to avoid the immunological response of the host body. In the process of decellularization, it is crucial to conserve the extracellular matrix (ECM) three-dimensional (3D) structure. However, it is known that decellularization methods may also damage ECM strands arrangement and structure. Moreover, after decellularization, the post-processing of fish skin improves its mechanical and biological properties and preserves its 3D design and strength. Also, sterilization, which is one of the post-processing steps, is mandatory in pre-clinical and clinical settings. In this review paper, the fish skin decellularization methods performed and the various post-processes used to increase the performance of the skin have been studied. Moreover, multiple applications of acellular fish skin (AFS) and its extracted collagen have been reviewed.
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Affiliation(s)
- Ali Esmaeili
- Student Research Committee, Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Azam Rahimi
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Amin Abbasi
- Department of Food Science and Technology, National Nutrition and Food Technology Research Institute, Faculty of Nutrition Science and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Behnam Hasannejad-Asl
- Department of Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti, University of Medical Sciences, Tehran, Iran
| | - Saeid Bagheri-Mohammadi
- Department of Physiology and Neurophysiology Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Farjami
- Department of Biostatistics, Faculty of Paramedical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Saeed Heidari Keshel
- Student Research Committee, Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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Khan HU, Aziz S, Maheen S, Khan I, Andleeb M, Younis H, Haider S, Haider A, Akhtar MS, Shafqat SS. Superporous acrylic acid and HPMC hydrogels of mefenamic acid: Formulation, characterization and optimization by central composite design. Front Bioeng Biotechnol 2022; 10:1057627. [PMID: 36588944 PMCID: PMC9797584 DOI: 10.3389/fbioe.2022.1057627] [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: 09/29/2022] [Accepted: 12/02/2022] [Indexed: 12/23/2022] Open
Abstract
The purpose of the study was to devise the superporous hydrogels (SPHs) of mefenamic acid (MA) to acquire the sustained action of the MA in the body. The superporous hydrogels of mefenamic acid were formulated by employing the gas blowing method. The central composite rotatable design (CCRD) was applied to optimize the effect of independent formulation factors like acrylic acid (AC), HPMC and glycerol (GLY) over dependent variables like porosity, viscosity, drug content and swelling ratio of superporous hydrogels in water, phosphate buffer (pH 6.8) and in 0.1N HCl (pH 1.2). A number of characteristics such as void fraction, surface morphology by Scanning electron microscopy (SEM) and in vitro drug release study were governed along with physico-chemical analysis by Fourier transform infrared spectroscopy (FTIR), Differential scanning calorimetry (DSC) and appraised statistically by employing the ANOVA. The comparative analgesic activity of optimized superporous hydrogel formulation SPH17 was also analyzed by using tail flick method. The Fourier transform infrared spectroscopy and Differential scanning calorimetry studies approved the physical compatibility between the polymers and the drug. The Scanning electron microscopy study specified micrographic insight about the structure of formed formulations comprising presence of pores, fibers and drug-hole aggregates. The superporous hydrogels were detected to be low dense as they expressed density lower than 0.75 g/cc. The decrease in concentration of the polymers and cross linker contributed towards the increase in the void fraction of the superporous hydrogel formulations. The optimized formulation SPH 17 exhibited a highly sustained release of MA for up to 10 h in the both 0.1 N HCl and phosphate buffer (66.6%) media. The non-fickian release of drug revealed the coupling of the diffusion and polymer relaxation mechanism of the drug release from the formulations. The obtained outcomes suggested that analgesic effect of SPH 17 was significantly (p < 0.05) higher than that of simple suspension of mefenamic acid and total analgesic effect duration for superporous hydrogel was also doubled as compared to the duration of analgesic effect produced by drug suspension. The successfully formulated SPH with HPMC K100M as a gelling agent had sustained the action of the mefenamic acid (MF) by improving its poor solubility and permeability. The introduction of inter-penetrating polymeric network (acrylic acid) using glycerol as a cross linker impart increased residence time to superporous hydrogels which ultimately enhanced the feasibility of using superporous hydrogel as oral sustained release devices particularly for gastric retention.
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Affiliation(s)
- Hafeez Ullah Khan
- Department of Pharmaceutics, University of Sargodha, Sargodha, Pakistan,*Correspondence: Hafeez Ullah Khan, ; Syed Salman Shafqat,
| | - Samar Aziz
- Department of Pharmaceutics, University of Sargodha, Sargodha, Pakistan
| | - Safirah Maheen
- Department of Pharmaceutics, University of Sargodha, Sargodha, Pakistan
| | - Ikramullah Khan
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad, Pakistan
| | - Mehwish Andleeb
- Department of Pharmaceutics, University of Sargodha, Sargodha, Pakistan
| | - Hina Younis
- Department of Pharmaceutics, University of Sargodha, Sargodha, Pakistan
| | - Sajjad Haider
- Department of Chemical Engineering, College of Engineering, King Saud University, Riyadh, Saudi Arabia
| | - Adnan Haider
- Department of Biological Sciences, National University of Medical Sciences, Rawalpindi, Pakistan
| | | | - Syed Salman Shafqat
- Department of Chemistry, Division of Science and Technology, University of Education, Lahore, Pakistan,*Correspondence: Hafeez Ullah Khan, ; Syed Salman Shafqat,
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Abbasnezhad S, Biazar E, Aavani F, Kamalvand M, Heidari Keshel S, Pourjabbar B. Chemical modification of acellular fish skin as a promising biological scaffold by carbodiimide cross‐linker for wound healing. Int Wound J 2022; 20:1566-1577. [PMID: 36372945 PMCID: PMC10088853 DOI: 10.1111/iwj.14012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 10/23/2022] [Accepted: 10/24/2022] [Indexed: 11/15/2022] Open
Abstract
Biological matrices can be modified with cross-linkers to improve some of their characteristics as scaffolds for tissue engineering. In this study, chemical cross-linker 1-Ethyl-3-(3-dimethylaminopropyl) carbodiimide (EDC) was used with different ratios (5, 10, 20, 30, and 40 mM) to improve properties such as mechanical strength, denaturation temperature, and degradability of the acellular fish skin as a biological scaffold for tissue engineering applications. Morphological analysis showed that the use of cross-linker at low concentrations had no effect on the structure and textiles of the scaffold, while increasing mechanical strength, denaturation temperature, and degradation time. Cytotoxicity and cellular studies showed that the optimal cross-linker concentration did not significantly affect cell viability as well as cell adhesion. In general, utilising the carbodiimide cross-linker with the optimal ratio can improve the characteristics and function of the biological tissues such as acellular fish skin.
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Affiliation(s)
- Sara Abbasnezhad
- Tissue Engineering Group, Department of Biomedical Engineering, Tonekabon Branch Islamic Azad University Tonekabon Iran
| | - Esmaeil Biazar
- Tissue Engineering Group, Department of Biomedical Engineering, Tonekabon Branch Islamic Azad University Tonekabon Iran
| | - Farzaneh Aavani
- Department of Oral and Maxillofacial Surgery, Division of Regenerative Orofacial Medicine, University Hospital Hamburg‐Eppendorf Hamburg Germany
| | - Mahshad Kamalvand
- Tissue Engineering Group, Department of Biomedical Engineering, Tonekabon Branch Islamic Azad University Tonekabon Iran
| | - Saeed Heidari Keshel
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine Shahid Beheshti University of Medical Sciences Tehran Iran
| | - Bahareh Pourjabbar
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine Shahid Beheshti University of Medical Sciences Tehran Iran
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Hung CW, Mazumder N, Lin DJ, Chen WL, Lin ST, Chan MC, Zhuo GY. Label-Free Characterization of Collagen Crosslinking in Bone-Engineered Materials Using Nonlinear Optical Microscopy. MICROSCOPY AND MICROANALYSIS : THE OFFICIAL JOURNAL OF MICROSCOPY SOCIETY OF AMERICA, MICROBEAM ANALYSIS SOCIETY, MICROSCOPICAL SOCIETY OF CANADA 2021; 27:1-11. [PMID: 33829983 DOI: 10.1017/s1431927621000295] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Engineered biomaterials provide unique functions to overcome the bottlenecks seen in biomedicine. Hence, a technique for rapid and routine tests of collagen is required, in which the test items commonly include molecular weight, crosslinking degree, purity, and sterilization induced structural change. Among them, the crosslinking degree mainly influences collagen properties. In this study, second harmonic generation (SHG) and coherent anti-Stokes Raman scattering (CARS) microscopy are used in combination to explore the collagen structure at molecular and macromolecular scales. These measured parameters are applied for the classification and quantification among the different collagen scaffolds, which were verified by other conventional methods. It is demonstrated that the crosslinking status can be analyzed from SHG images and presented as the coherency of collagen organization that is correlated with the mechanical properties. Also, the comparative analyses of SHG signal and relative CARS signal of amide III band at 1,240 cm−1 to δCH2 band at 1,450 cm−1 of these samples provide information regarding the variation of the molecular structure during a crosslinking process, thus serving as nonlinear optical signatures to indicate a successful crosslinking.
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Affiliation(s)
- Chao-Wei Hung
- PhD Program for Biomedical Engineering and Rehabilitation Science, China Medical University, No. 91, Hsueh-Shih Road, Taichung40402, Taiwan R.O.C
| | - Nirmal Mazumder
- Department of Biophysics, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka576104, India
| | - Dan-Jae Lin
- School of Dentistry, College of Dentistry, China Medical University, No. 91, Hsueh-Shih Road, Taichung40402, Taiwan R.O.C
| | - Wei-Liang Chen
- Center for Condensed Matter Sciences, National Taiwan University, Taipei10617, Taiwan R.O.C
| | - Shih-Ting Lin
- Integrative Stem Cell Center, China Medical University Hospital, No. 2, Yude Road, Taichung40447, Taiwan R.O.C
| | - Ming-Che Chan
- Institute of Photonic System, College of Photonics, National Chiao-Tung University, Tainan71150, Taiwan R.O.C
- Institute of Biophotonics, National Yang-Ming University, No. 155, Sec. 2, Linong Street, Beitou District, Taipei City112, Taiwan R.O.C
| | - Guan-Yu Zhuo
- Integrative Stem Cell Center, China Medical University Hospital, No. 2, Yude Road, Taichung40447, Taiwan R.O.C
- Institute of New Drug Development, China Medical University, No. 91, Hsueh-Shih Road, Taichung40402, Taiwan R.O.C
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Ashoorirad M, Fallah A, Saviz M. Measuring and assessment of impedance spectrum of collagen thin films in the presence of deionized water. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.114488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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8
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Ma P, Wang Y, Li B, Hou H. Cross-linking effects of carbodiimide, oxidized chitosan oligosaccharide and glutaraldehyde on acellular dermal matrix of basa fish (Pangasius bocourti). Int J Biol Macromol 2020; 164:677-686. [PMID: 32645500 DOI: 10.1016/j.ijbiomac.2020.07.019] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2020] [Revised: 06/20/2020] [Accepted: 07/03/2020] [Indexed: 11/29/2022]
Abstract
Basa acellular dermal matrix (BADM) has advantages in the preparation of oral prosthetic membranes. In order to prepare high-quality BADM, a suitable cross-linking agent is necessary. In this study, acellular dermal matrix was prepared from basa fish skin and then cross-linked with carbodiimide (EDC), oxidized chitosan oligosaccharide (OCOS) and glutaraldehyde (GA), respectively. Fourier transform infrared (FTIR) spectroscopy, X-ray diffraction analysis (XRD), histological staining, DNA electrophoresis and the limulus amoebocyte lysate chromogenic assay were used to detect the structure and properties of BADM. The compatibility of BADM was detected by implantation in vivo and cell experiments. The results showed that the majority of the cellular and DNA in BADM were removed. The endotoxin was not be detected. Furthermore, the structure of BADM was not destroyed. The mechanical and anti-degraded properties of BADM were promoted obviously after cross-linking. The thermal shrinkage temperatures of wet and dry EDC-BADM (BADM cross-linked by carbodiimide) were increased by 39.22 °C and 18.27 °C, respectively, compared with that of the uncross-linked BADM. In addition, the EDC-BADM had good biocompatibility and cytocompatibility. In conclusion, carbodiimide can improve the properties of BADM, which has potential application in the field of biomaterials.
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Affiliation(s)
- Panpan Ma
- College of Food Science and Engineering, Ocean University of China, No.5, Yu Shan Road, Qingdao, Shandong Province 266003, PR China
| | - Yuekun Wang
- College of Food Science and Engineering, Ocean University of China, No.5, Yu Shan Road, Qingdao, Shandong Province 266003, PR China
| | - Bafang Li
- College of Food Science and Engineering, Ocean University of China, No.5, Yu Shan Road, Qingdao, Shandong Province 266003, PR China
| | - Hu Hou
- College of Food Science and Engineering, Ocean University of China, No.5, Yu Shan Road, Qingdao, Shandong Province 266003, PR China; Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao, Shandong Province 266237, PR China.
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Alagha A, Nourallah A, Alhariri S. Dexamethasone- loaded polymeric porous sponge as a direct pulp capping agent. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2020; 31:1689-1705. [PMID: 32402228 DOI: 10.1080/09205063.2020.1769801] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
This study aims to achieve the principles of tissue engineering using biopolymers to be applied in the field of vital endodontic treatment to stimulate stem cells and engineering and regeneration of dentin tissue. the polymer blend was loaded with the steroidal anti-inflammatory drug, dexamethasone, and the porous drug-loaded bio-sponge was produced by lyophilization. Bio-sponge, as a direct pulp capping agent, was histologically studied compared to calcium hydroxide Ca(OH)2 in an animal experiment. The results indicated the effectiveness of the bio-sponge as a direct pulp capping agent where the dentin bridge was formed faster than Ca(OH)2 treated samples. There was no inflammatory response in the pulp tissue throughout the follow-up period. The porous bio-sponge loaded with dexamethasone with a neutral pH resulted in enhancement of the odontoblast differentiation from stem cells, resulting in the formation of a renewed dentin bridge without the slightest inflammatory response in the pulp.
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Affiliation(s)
- Amjad Alagha
- Faculty of Dentistry, Department of Pediatric Dentistry, Tishreen University, Lattakia, Syria
| | - Abdulwahab Nourallah
- Faculty of Dentistry, Department of Pediatric Dentistry, Tishreen University, Lattakia, Syria
| | - Sahar Alhariri
- Faculty of Science, Department of Chemistry, Damascus University, Damascus, Syria
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10
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On the electrical properties of collagen macromolecule solutions: Role of collagen-water interactions. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2019.112344] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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11
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Ganesan AR, Shanmugam M, Palaniappan S, Rajauria G. Development of edible film from Acanthophora spicifera : Structural, rheological and functional properties. FOOD BIOSCI 2018. [DOI: 10.1016/j.fbio.2017.12.009] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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12
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13
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Zeng D, Zhu S. Purification, characterization, antioxidant and anticancer activities of novel polysaccharides extracted from Bachu mushroom. Int J Biol Macromol 2018; 107:1086-1092. [DOI: 10.1016/j.ijbiomac.2017.09.088] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Revised: 09/17/2017] [Accepted: 09/21/2017] [Indexed: 10/18/2022]
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14
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Marzec E, Pietrucha K. Efficacy evaluation of electric field frequency and temperature on dielectric properties of collagen cross-linked by glutaraldehyde. Colloids Surf B Biointerfaces 2017; 162:345-350. [PMID: 29227920 DOI: 10.1016/j.colsurfb.2017.12.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2017] [Revised: 10/31/2017] [Accepted: 12/05/2017] [Indexed: 01/11/2023]
Abstract
Solid-state dielectric properties are reported for unmodified collagen (Col) and glutaraldehyde-modified collagen (Col-GA) over the frequency range from 100Hz to 100kHz and at temperatures from 25 to 145°C. In the full temperature and frequency range the average values of the relative permittivity and dielectric loss for Col samples are higher than those recorded for Col-GA samples. The peak temperature of these both parameters associated with the release of loosely bound water is around 73 and 77°C for Col and Col-GA samples, respectively. The activation energy for the reorientation and breaking of hydrogen bonds takes the values 32kJmol-1 for Col and 23kJmol-1 for Col-GA. The relative permittivity decrement and conductivity increment of Col-GA samples fall by 40 and 30% on average in the temperature range 25-75°C, as compared to Col samples. Dielectric properties of Col-GA may be helpful in designing scaffolds for tissue engineering.
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Affiliation(s)
- Ewa Marzec
- Department of Bionics and Bioimpedance, University of Medical Sciences, Parkowa 2 60-775 Poznań, Poland.
| | - Krystyna Pietrucha
- Department of Material and Commodity Sciences and Textile Metrology, Lodz University of Technology, Poland
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Pajovich HT, Banerjee IA. Biomineralization of Fucoidan-Peptide Blends and Their Potential Applications in Bone Tissue Regeneration. J Funct Biomater 2017; 8:E41. [PMID: 29036882 PMCID: PMC5618292 DOI: 10.3390/jfb8030041] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2017] [Revised: 09/11/2017] [Accepted: 09/13/2017] [Indexed: 02/07/2023] Open
Abstract
Fucoidan (Fuc), a natural polysaccharide derived from brown seaweed algae, and gelatin (Gel) were conjugated to form a template for preparation of biomimetic scaffolds for potential applications in bone tissue regeneration. To the Fuc-Gel we then incorporated the peptide sequence MTNYDEAAMAIASLN (MTN) derived from the E-F hand domain, known for its calcium binding properties. To mimic the components of the extracellular matrix of bone tissue, the Fuc-Gel-MTN assemblies were incubated in simulated body fluid (SBF) to induce biomineralization, resulting in the formation of β-tricalcium phosphate, and hydroxyapatite (HAp). The formed Fuc-Gel-MTN-beta-TCP/HAP scaffolds were found to display an average Young's Modulus value of 0.32 GPa (n = 5) with an average surface roughness of 91 nm. Rheological studies show that the biomineralized scaffold exhibited higher storage and loss modulus compared to the composites formed before biomineralization. Thermal phase changes were studied through DSC and TGA analysis. XRD and EDS analyses indicated a biphasic mixture of β-tricalcium phosphate and hydroxyapatite and the composition of the scaffold. The scaffold promoted cell proliferation, differentiation and displayed actin stress fibers indicating the formation of cell-scaffold matrices in the presence of MT3C3-E1 mouse preosteoblasts. Osteogenesis and mineralization were found to increase with Fuc-Gel-MTN-beta-TCP/HAP scaffolds. Thus, we have developed a novel scaffold for possible applications in bone tissue engineering.
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Affiliation(s)
- Harrison T Pajovich
- Department of Chemistry, Fordham University, 441 E Fordham Rd, Bronx, NY 10458, USA.
| | - Ipsita A Banerjee
- Department of Chemistry, Fordham University, 441 E Fordham Rd, Bronx, NY 10458, USA.
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Kolsi RBA, Salah HB, Jardak N, Chaaben R, Jribi I, Feki AE, Rebai T, Jamoussi K, Allouche N, Blecker C, Belghith H, Belghith K. Sulphated polysaccharide isolated from Sargassum vulgare: Characterization and hypolipidemic effects. Carbohydr Polym 2017; 170:148-159. [PMID: 28521980 DOI: 10.1016/j.carbpol.2017.04.083] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2017] [Revised: 03/10/2017] [Accepted: 04/25/2017] [Indexed: 10/19/2022]
Abstract
A sulphated polysaccharide from brown algae Sargassum vulgare (SVSP) was extracted and examined with respect to chemical, structural characterization and hypolipidemic effects. SVSP consisted mainly of sulphate and total sugars with low levels of lipids and proteins. Its structure was studied by nuclear magnetic resonance (RMN), gas chromatography-mass spectrometry (GC-MS), infra-red spectroscopic, differential scanning calorimetry and X-ray diffraction analysis. Allowing us therefore to revealed that SVSP was composed of glucose, rhamnose, xylose, galactose, mannose and arabinose with XRD pattern that was typical for a semi-crystalline polymer and complexities of the spectra reflected its homogeneous structure. The administration of SVSP to obese rats is effective in lowering the body weight and inhibiting the lipase activity leading to notable regulation of lipid profile, increasing the activities of antioxidant enzymes, limiting lipid peroxidation; and protects liver-kidney functions proved by a decrease in the levels of toxicity parameters in blood, confirmed by histological study.
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Affiliation(s)
| | - Hichem Ben Salah
- Laboratory of chemistry of Natural Substances, Faculty of Sciences of Sfax, PB 802, 3018 Sfax, Tunisia
| | - Neila Jardak
- Research Unit of anatomy, histology and embryology, Faculty of Medicine Sfax, Tunisia
| | - Rim Chaaben
- Biochemistry Laboratory, CHU Hedi Chaker, Sfax, Tunisia
| | - Imed Jribi
- Biodiversity Unit and Aquatic Ecosystems, Faculty of Sciences of Sfax, 3038 Sfax, Tunisia
| | | | - Tarak Rebai
- Research Unit of anatomy, histology and embryology, Faculty of Medicine Sfax, Tunisia
| | | | - Noureddine Allouche
- Laboratory of chemistry of Natural Substances, Faculty of Sciences of Sfax, PB 802, 3018 Sfax, Tunisia
| | - Cristophe Blecker
- Unité de Technologie des Industries Agro-alimentaires, Faculté des Sciences Agronomiques de Gembloux, passage des Déportés 2, 5030 Gembloux, Belgium
| | - Hafedh Belghith
- Enzyme and Bioconversion Unit, Biotechnology Center of Sfax, Tunisia
| | - Karima Belghith
- Laboratory of Plant Biotechnology, Faculty of Sciences of Sfax, 3038 Sfax, Tunisia
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Pore structure and dielectric behaviour of the 3D collagen-DAC scaffolds designed for nerve tissue repair. Int J Biol Macromol 2016; 92:1298-1306. [DOI: 10.1016/j.ijbiomac.2016.08.029] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2016] [Revised: 08/03/2016] [Accepted: 08/08/2016] [Indexed: 12/21/2022]
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A Review: Origins of the Dielectric Properties of Proteins and Potential Development as Bio-Sensors. SENSORS 2016; 16:s16081232. [PMID: 27527179 PMCID: PMC5017397 DOI: 10.3390/s16081232] [Citation(s) in RCA: 71] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/23/2016] [Revised: 07/19/2016] [Accepted: 07/29/2016] [Indexed: 12/03/2022]
Abstract
Polymers can be classified as synthetic polymers and natural polymers, and are often characterized by their most typical functions namely their high mechanical resistivity, electrical conductivity and dielectric properties. This bibliography report consists in: (i) Defining the origins of the dielectric properties of natural polymers by reviewing proteins. Despite their complex molecular chains, proteins present several points of interest, particularly, their charge content conferring their electrical and dielectric properties; (ii) Identifying factors influencing the dielectric properties of protein films. The effects of vapors and gases such as water vapor, oxygen, carbon dioxide, ammonia and ethanol on the dielectric properties are put forward; (iii) Finally, potential development of protein films as bio-sensors coated on electronic devices for detection of environmental changes particularly humidity or carbon dioxide content in relation with dielectric properties variations are discussed. As the study of the dielectric properties implies imposing an electric field to the material, it was necessary to evaluate the impact of frequency on the polymers and subsequently on their structure. Characterization techniques, on the one hand dielectric spectroscopy devoted for the determination of the glass transition temperature among others, and on the other hand other techniques such as infra-red spectroscopy for structure characterization as a function of moisture content for instance are also introduced.
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Biryan F, Demirelli K, Torğut G, Pıhtılı G. Synthesis, thermal degradation and dielectric properties of poly[2-hydroxy,3-(1-naphthyloxy)propyl methacrylate]. Polym Bull (Berl) 2016. [DOI: 10.1007/s00289-016-1731-2] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Tian Z, Wu K, Liu W, Shen L, Li G. Two-dimensional infrared spectroscopic study on the thermally induced structural changes of glutaraldehyde-crosslinked collagen. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2015; 140:356-363. [PMID: 25617846 DOI: 10.1016/j.saa.2015.01.003] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2014] [Revised: 12/13/2014] [Accepted: 01/05/2015] [Indexed: 06/04/2023]
Abstract
The thermal stability of collagen solution (5 mg/mL) crosslinked by glutaraldehyde (GTA) [GTA/collagen (w/w)=0.5] was measured by differential scanning calorimetry and Fourier transform infrared spectroscopy (FTIR), and the thermally induced structural changes were analyzed using two-dimensional (2D) correlation spectra. The denaturation temperature (Td) and enthalpy change (ΔH) of crosslinked collagen were respectively about 27°C and 88 J/g higher than those of native collagen, illuminating the thermal stability increased. With the increase of temperature, the red-shift of absorption bands and the decreased AIII/A1455 value obtained from FTIR spectra indicated that hydrogen bonds were weakened and the unwinding of triple helix occurred for both native and crosslinked collagens; whereas the less changes in red-shifting and AIII/A1455 values for crosslinked collagen also confirmed the increase in thermal stability. Additionally, the 2D correlation analysis provided information about the thermally induced structural changes. In the 2D synchronous spectra, the intensities of auto-peaks at 1655 and 1555 cm(-1), respectively assigned to amide I band (CO stretching vibration) and amide II band (combination of NH bending and CN stretching vibrations) in helical conformation were weaker for crosslinked collagen than those for native collagen, indicating that the helical structure of crosslinked collagen was less sensitive to temperature. Moreover, the sequence of the band intensity variations showed that the band at 1555 cm(-1) moved backwards owing to the addition of GTA, demonstrating that the response of helical structure of crosslinked collagen to the increased temperature lagged. It was speculated that the stabilization of collagen by GTA was due to the reinforcement of triple helical structure.
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Affiliation(s)
- Zhenhua Tian
- The Key Laboratory of Leather Chemistry and Engineering of Ministry of Education, Sichuan University, Chengdu 610065, PR China
| | - Kun Wu
- The Key Laboratory of Leather Chemistry and Engineering of Ministry of Education, Sichuan University, Chengdu 610065, PR China
| | - Wentao Liu
- National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu 610065, PR China
| | - Lirui Shen
- National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu 610065, PR China
| | - Guoying Li
- The Key Laboratory of Leather Chemistry and Engineering of Ministry of Education, Sichuan University, Chengdu 610065, PR China.
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Princz MA, Sheardown H. Heparin-modified dendrimer cross-linked collagen matrices for the delivery of basic fibroblast growth factor (FGF-2). JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2012; 19:1201-18. [DOI: 10.1163/156856208785540181] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- M. A. Princz
- a Department of Chemical Engineering, McMaster University, 1280 Main St. W., Hamilton, ON, Canada L8S 4L8
| | - H. Sheardown
- b Department of Chemical Engineering, McMaster University, 1280 Main St. W., Hamilton, ON, Canada L8S 4L8
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Princz MA, Sheardown H. Modified dendrimer cross-linked collagen-based matrices. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2011; 23:2207-22. [PMID: 22137239 DOI: 10.1163/156856211x612736] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Dendrimer cross-linking has been achieved with pepsin digested over 80% type-I bovine collagen to create strong hydrogels with good cell compatibility. Herein we investigate the use of commercially available collagen-based products with the dendrimer cross-linking technology. Specifically PureCol(®) (PC), a 97% bovine type-I collagen, human collagen (HC) and human extracellular matrix (hECM) were concentrated, and then cross-linked with polypropyleneimine octaamine generation two dendrimers using 1-ethyl-3-(3-dimethyl aminopropyl) carbodiimide hydrochloride (EDC) and N-hydroxysuccinimide (NHS) chemistry. PC gels with 30 and 20 mg/ml bovine collagen were fabricated, and despite similar concentrations to >80% type-I bovine collagen dendrimer cross-linked gels (CG), PC gels demonstrated increased swelling and decreased stability, as determined with collagenase digestion. The highly purified bovine (PC) and human sourced-collagen (HC) gels were similar in performance, but not as stable as the CG gels, which may correlate to the manufacturer's collagen purification and storage. Finally, the addition of hECM components to PC to create PC-hECM gels, resulted in a looser gel network, compared to heparinized dendrimer cross- linked bovine >80% type-I collagen gels (CHG). However, all collagen-based gels supported 3T3 fibroblast cell growth over 4 days, indicating these gels may be suitable for tissue-engineering applications.
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Affiliation(s)
- M A Princz
- a Department of Chemical Engineering , McMaster University , 1280 Main Street W. , Hamilton , ON , Canada , L8S 4L8
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Nishad Fathima N, Suresh R, Raghava Rao J, Unni Nair B. Effect of UV irradiation on the physicochemical properties of collagen stabilized using aldehydes. J Appl Polym Sci 2007. [DOI: 10.1002/app.26129] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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