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Liang S, Chen H, Chen Y, Ali A, Yao S. Multi-dynamic-bond cross-linked antibacterial and adhesive hydrogel based on boronated chitosan derivative and loaded with peptides from Periplaneta americana with on-demand removability. Int J Biol Macromol 2024; 273:133094. [PMID: 38878926 DOI: 10.1016/j.ijbiomac.2024.133094] [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: 03/14/2024] [Revised: 05/30/2024] [Accepted: 06/09/2024] [Indexed: 06/18/2024]
Abstract
The design and development of a bio-adhesive hydrogel with on-demand removability and excellent antibacterial activities are meaningful to achieve high wound closure effectiveness and post-wound-closure care, which is desirable in clinical applications. In this work, a series of adhesive antioxidant antibacterial hydrogels containing peptides from Periplaneta americana (PAP) were prepared through multi-dynamic-bond cross-linking among 3,4-dihydroxybenzaldehyde (DBA) containing catechol and aldehyde groups and chitosan grafted with 3-carboxy-4-fluorophenylboronic acid (CS-FPBA) to enable the effective adhesion of skin tissues and prevention of bacterial infection of wound. PAP was derived from alcohol-extracted residues generated during the pharmaceutical process, aiming to minimize resource wastage and achieve the high-value development of such a medicinal insect. The hydrogel was prepared by freezing-thawing with no toxic crosslinkers. The multi-dynamic-bond cross-linking of dynamic borate ester bonds and dynamic Schiff base bonds can achieve reversible breakage and re-formation and the adhesive strength of CS-FPBA-DBA-P-gel treated with a 20 % glucose solution dramatically decreased from 3.79 kPa to 0.35 kPa within 10 s. Additionally, the newly developed hydrogel presents ideal biocompatibility, hemostasis and antibacterial activity against Staphylococcus aureus and Escherichia coli compared to commercial chitosan gel (approximately 50 % higher inhibition rate), demonstrating its great potential in dealing with infected full-thickness skin wounds.
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Affiliation(s)
- Siwei Liang
- School of Chemical Engineering, Sichuan University, Chengdu 610065, China
| | - Hangping Chen
- College of Pharmacy, Jinan University, Guangzhou 511436, China
| | - Yu Chen
- South Sichuan Institute of Translational Medicine, School of Pharmacy, Southwest Medical University, Luzhou 646000, China
| | - Ahamd Ali
- School of Chemical Engineering, Sichuan University, Chengdu 610065, China
| | - Shun Yao
- School of Chemical Engineering, Sichuan University, Chengdu 610065, China.
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Chen L, Jiang F, Xu H, Fan Y, Du C. Improved membrane stability of alginate-chitosan microcapsules by crosslinking with tannic acid. Biotechnol Lett 2023:10.1007/s10529-023-03399-3. [PMID: 37266880 DOI: 10.1007/s10529-023-03399-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 04/01/2023] [Accepted: 05/16/2023] [Indexed: 06/03/2023]
Abstract
OBJECTIVE The insufficient stability of alginate-chitosan (ALG-CS) microcapsules in biorelevant media limits their applications in the biomedical field. Attempts were made to improve the membrane stability of ALG-CS microcapsules by noncovalent crosslinking with tannic acid. RESULTS The membrane stability of ALG-CS microcapsules in culture medium and serum was significantly improved by crosslinking with tannic acid. Moreover, the reason for the significant improvement in membrane stability had been demonstrated to be that the stability of chitosan-tannic acid (CS-TA) polyelectrolyte complexes was less affected by the competitive binding of those weak acid ions such as HCO3-. In addition, the optimal conditions for preparing alginate-chitosan-tannic acid (ALG-CS-TA) microcapsules were tannic acid concentration of 0.5% (w/v) and pH = 7. CONCLUSION The study provides a novel approach for improving the stability of the ALG-CS microcapsules in biorelevant media to expand their scope of application in the biological field.
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Affiliation(s)
- Li Chen
- College of Pharmaceutical Science, Zhejiang University, Hangzhou, 310058, Zhejiang, People's Republic of China.
- School of Pharmaceutical and Chemical Engineering, Taizhou University, No. 1139, Shifu Avenue, Jiaojiang District, Taizhou, 318000, Zhejiang, People's Republic of China.
| | - Fang Jiang
- School of Pharmaceutical and Chemical Engineering, Taizhou University, No. 1139, Shifu Avenue, Jiaojiang District, Taizhou, 318000, Zhejiang, People's Republic of China
| | - Haidan Xu
- School of Pharmaceutical and Chemical Engineering, Taizhou University, No. 1139, Shifu Avenue, Jiaojiang District, Taizhou, 318000, Zhejiang, People's Republic of China
| | - Yaoyao Fan
- School of Pharmaceutical and Chemical Engineering, Taizhou University, No. 1139, Shifu Avenue, Jiaojiang District, Taizhou, 318000, Zhejiang, People's Republic of China
| | - Cunbin Du
- School of Pharmaceutical and Chemical Engineering, Taizhou University, No. 1139, Shifu Avenue, Jiaojiang District, Taizhou, 318000, Zhejiang, People's Republic of China
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Zhang H, Zhou J, Wang H, Lan D, Peng Y, Li Z, Dai F. Antimicrobial dual ionic‐covalent k‐carrageenan/carboxymethyl chitosan membranes with robust moisture retention property. POLYM ADVAN TECHNOL 2022. [DOI: 10.1002/pat.5920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Hai‐qiang Zhang
- State Key Laboratory of Silkworm Genome Biology Southwest University Chongqing China
- Chongqing Engineering Research Center of Biomaterial Fiber and Modern Textile, College of sericulture, Textile and Biomass Sciences Southwest University Chongqing China
| | - Jiale Zhou
- State Key Laboratory of Silkworm Genome Biology Southwest University Chongqing China
- Chongqing Engineering Research Center of Biomaterial Fiber and Modern Textile, College of sericulture, Textile and Biomass Sciences Southwest University Chongqing China
| | - Hai Wang
- State Key Laboratory of Silkworm Genome Biology Southwest University Chongqing China
- Chongqing Engineering Research Center of Biomaterial Fiber and Modern Textile, College of sericulture, Textile and Biomass Sciences Southwest University Chongqing China
| | - Dongwei Lan
- State Key Laboratory of Silkworm Genome Biology Southwest University Chongqing China
- Chongqing Engineering Research Center of Biomaterial Fiber and Modern Textile, College of sericulture, Textile and Biomass Sciences Southwest University Chongqing China
| | - Yan Peng
- State Key Laboratory of Silkworm Genome Biology Southwest University Chongqing China
- Chongqing Engineering Research Center of Biomaterial Fiber and Modern Textile, College of sericulture, Textile and Biomass Sciences Southwest University Chongqing China
| | - Zhi Li
- State Key Laboratory of Silkworm Genome Biology Southwest University Chongqing China
- Chongqing Engineering Research Center of Biomaterial Fiber and Modern Textile, College of sericulture, Textile and Biomass Sciences Southwest University Chongqing China
| | - Fangyin Dai
- State Key Laboratory of Silkworm Genome Biology Southwest University Chongqing China
- Chongqing Engineering Research Center of Biomaterial Fiber and Modern Textile, College of sericulture, Textile and Biomass Sciences Southwest University Chongqing China
- Key Laboratory of Sericultural Biology and Genetic Breeding, Ministry of Agriculture and Rural Affairs Southwest University Chongqing China
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Strachota B, Strachota A, Gąsior G, Šlouf M. High-strength nanocomposite self-regenerating hydrogels reinforced by additional crosslinking with trivalent metal cations. JOURNAL OF POLYMER RESEARCH 2021. [DOI: 10.1007/s10965-021-02575-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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