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Nagaraj A, Rekha PD. Development of a bioink using exopolysaccharide from Rhizobium sp. PRIM17. Int J Biol Macromol 2023; 234:123608. [PMID: 36773865 DOI: 10.1016/j.ijbiomac.2023.123608] [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: 09/02/2022] [Revised: 01/16/2023] [Accepted: 02/05/2023] [Indexed: 02/11/2023]
Abstract
Biopolymers play a significant role in tissue engineering, including in the formulation of bioinks that require careful selection of the biopolymers having properties ideal for printability and supporting biological entities such as cells. Alginate is one of the most widely explored natural biopolymers for tissue engineering applications due to its biocompatibility, cross-linking ability, hydrophilic nature, and easy incorporation with other polymers. Here, a succinoglycan-like exopolysaccharide (EPS-R17) produced by a bacterial strain Rhizobium sp. PRIM17 was incorporated with alginate for the development of a bioink. The physicochemical characterization of EPS-R17 was performed before formulating the bioink with alginate. The bioink formulation was prepared by mixing different concentrations of EPS with an alginate solution at room temperature under sterile atmosphere. The prepared bioink was characterized for rheological properties, biocompatibility, and a bioplotting experiment was also conducted to mimick the extrusion bioprinting. The EPS-R17 was composed of glucose, galactose, and rhamnose with a molecular weight of 69.98 kDa. It was thermally stable up to 260 °C and showed characteristic FT-IR peaks (1723.3 cm-1) for succinyl groups. The EPS-R17 showed biocompatibility with keratinocytes (HaCaT), and fibroblasts (HDF) in vitro. The rheological properties of EPS-R17-alginate bioink at different combinations showed shear thinning behavior at 25 and 37 °C. Amplitude sweep measurements showed the gel-like nature of the polymer combinations in the solution system superior to alginate or EPS-R17 alone. The combination of 1 % EPS-R17 and 1.5 % alginate showed good compressive strength and swelling behavior. Extrusion bioprinting mimicked using a bioplotting experiment showed the sustained cell viability in the polymer matrix of EPS-R17-alginate bioink. The results indicate that the EPS-R17 can be used in combination with alginate for bioinks for bioprinting applications for providing physical properties and favorable bioactivities.
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Affiliation(s)
- Athmika Nagaraj
- Yenepoya Research Centre, Yenepoya (Deemed to be University), University Road, Deralakatte, Mangalore 575018, India
| | - Punchappady Devasya Rekha
- Yenepoya Research Centre, Yenepoya (Deemed to be University), University Road, Deralakatte, Mangalore 575018, India.
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Nie L, Wei Q, Li J, Deng Y, He X, Gao X, Ma X, Liu S, Sun Y, Jiang G, Okoro OV, Shavandi A, Jing S. Fabrication and desired properties of conductive hydrogel dressings for wound healing. RSC Adv 2023; 13:8502-8522. [PMID: 36926300 PMCID: PMC10012873 DOI: 10.1039/d2ra07195a] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Accepted: 02/28/2023] [Indexed: 03/16/2023] Open
Abstract
Conductive hydrogels are platforms recognized as constituting promising materials for tissue engineering applications. This is because such conductive hydrogels are characterized by the inherent conductivity properties while retaining favorable biocompatibility and mechanical properties. These conductive hydrogels can be particularly useful in enhancing wound healing since their favorable conductivity can promote the transport of essential ions for wound healing via the imposition of a so-called transepithelial potential. Other valuable properties of these conductive hydrogels, such as wound monitoring, stimuli-response etc., are also discussed in this study. Crucially, the properties of conductive hydrogels, such as 3D printability and monitoring properties, suggest the possibility of its use as an alternative wound dressing to traditional dressings such as bandages. This review, therefore, seeks to comprehensively explore the functionality of conductive hydrogels in wound healing, types of conductive hydrogels and their preparation strategies and crucial properties of hydrogels. This review will also assess the limitations of conductive hydrogels and future perspectives, with an emphasis on the development trend for conductive hydrogel uses in wound dressing fabrication for subsequent clinical applications.
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Affiliation(s)
- Lei Nie
- College of Life Sciences, Xinyang Normal University Xinyang 464000 China +86-13600621068
- Université libre de Bruxelles (ULB), École polytechnique de Bruxelles, 3BIO-BioMatter, Avenue F.D. Roosevelt 50 - CP 165/61 1050 Brussels Belgium
| | - Qianqian Wei
- College of Life Sciences, Xinyang Normal University Xinyang 464000 China +86-13600621068
| | - Jingyu Li
- College of Life Sciences, Xinyang Normal University Xinyang 464000 China +86-13600621068
| | - Yaling Deng
- College of Intelligent Science and Control Engineering, Jinling Institute of Technology Nanjing 211169 P.R. China
| | - Xiaorui He
- College of Life Sciences, Xinyang Normal University Xinyang 464000 China +86-13600621068
| | - Xinyue Gao
- College of Life Sciences, Xinyang Normal University Xinyang 464000 China +86-13600621068
| | - Xiao Ma
- College of Life Sciences, Xinyang Normal University Xinyang 464000 China +86-13600621068
| | - Shuang Liu
- School of Resources and Environmental Engineering, Wuhan University of Technology Wuhan 430070 P. R. China
| | - Yanfang Sun
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University Hangzhou 310018 China
| | - Guohua Jiang
- School of Materials Science and Engineering, Zhejiang Sci-Tech University Hangzhou 310018 China
- International Scientific and Technological Cooperation Base of Intelligent Biomaterials and Functional Fibers, Zhejiang Sci-Tech University Hangzhou 310018 China
| | - Oseweuba Valentine Okoro
- Université libre de Bruxelles (ULB), École polytechnique de Bruxelles, 3BIO-BioMatter, Avenue F.D. Roosevelt 50 - CP 165/61 1050 Brussels Belgium
| | - Amin Shavandi
- Université libre de Bruxelles (ULB), École polytechnique de Bruxelles, 3BIO-BioMatter, Avenue F.D. Roosevelt 50 - CP 165/61 1050 Brussels Belgium
| | - Shengli Jing
- College of Life Sciences, Xinyang Normal University Xinyang 464000 China +86-13600621068
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Jafari H, Ghaffari-Bohlouli P, Niknezhad SV, Abedi A, Izadifar Z, Mohammadinejad R, Varma RS, Shavandi A. Tannic acid: a versatile polyphenol for design of biomedical hydrogels. J Mater Chem B 2022; 10:5873-5912. [PMID: 35880440 DOI: 10.1039/d2tb01056a] [Citation(s) in RCA: 58] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Tannic acid (TA), a natural polyphenol, is a hydrolysable amphiphilic tannin derivative of gallic acid with several galloyl groups in its structure. Tannic acid interacts with various organic, inorganic, hydrophilic, and hydrophobic materials such as proteins and polysaccharides via hydrogen bonding, electrostatic, coordinative bonding, and hydrophobic interactions. Tannic acid has been studied for various biomedical applications as a natural crosslinker with anti-inflammatory, antibacterial, and anticancer activities. In this review, we focus on TA-based hydrogels for biomaterials engineering to help biomaterials scientists and engineers better realize TA's potential in the design and fabrication of novel hydrogel biomaterials. The interactions of TA with various natural or synthetic compounds are deliberated, discussing parameters that affect TA-material interactions thus providing a fundamental set of criteria for utilizing TA in hydrogels for tissue healing and regeneration. The review also discusses the merits and demerits of using TA in developing hydrogels either through direct incorporation in the hydrogel formulation or indirectly via immersing the final product in a TA solution. In general, TA is a natural bioactive molecule with diverse potential for engineering biomedical hydrogels.
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Affiliation(s)
- Hafez Jafari
- Université libre de Bruxelles (ULB), École polytechnique de Bruxelles, 3BIO-BioMatter, Avenue F.D. Roosevelt, 50 - CP 165/61, 1050 Brussels, Belgium.
| | - Pejman Ghaffari-Bohlouli
- Université libre de Bruxelles (ULB), École polytechnique de Bruxelles, 3BIO-BioMatter, Avenue F.D. Roosevelt, 50 - CP 165/61, 1050 Brussels, Belgium.
| | - Seyyed Vahid Niknezhad
- Burn and Wound Healing Research Center, Shiraz University of Medical Sciences, Shiraz, 71345-1978, Iran
| | - Ali Abedi
- Department of Life Science Engineering, Faculty of New Sciences and Technology, University of Tehran, Tehran, Iran
| | - Zohreh Izadifar
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA 02115, USA
| | - Reza Mohammadinejad
- Research Center of Tropical and Infectious Diseases, Kerman University of Medical Sciences, Kerman, Iran
| | - Rajender S Varma
- Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute, Palacky University, Šlechtitelů 27, 783 71, Olomouc, Czech Republic.
| | - Amin Shavandi
- Université libre de Bruxelles (ULB), École polytechnique de Bruxelles, 3BIO-BioMatter, Avenue F.D. Roosevelt, 50 - CP 165/61, 1050 Brussels, Belgium.
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