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Su C, Jiang C, Lin J, Liu J, Zhan H, Che S, Chen X, Feng C. Optimization of preparation conditions for β-chitosan derived from diatom biomanufacturing using response surface methodology. Int J Biol Macromol 2024; 279:135233. [PMID: 39251005 DOI: 10.1016/j.ijbiomac.2024.135233] [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: 04/29/2024] [Revised: 08/28/2024] [Accepted: 08/29/2024] [Indexed: 09/11/2024]
Abstract
Chitosan is a polymeric polysaccharide with widely application. At present, commercialized chitosan obtained by deacetylating chitin with acid-alkali method. The homogeneity of the molecular weight of chitosan is difficult to adjust due to the low homogeneity of chitosan itself and the degradation effect of the extraction process. And the single source of raw material has limited the further development of chitosan. In this study, diatoms were used as the source of chitosan extraction through alkalization freeze-thaw method, and response surface methodology was also used to optimize the best preparation conditions of diatom chitosan. The extracted chitosan from diatom was β-type chitosan with low molecular weight, great homogeneity. Diatom chitosan was able to reduce blood loss and clotting time >30 % in vivo experiment compared to control. The hemolysis rate of diatom chitosan was lower than 1 %, and the survival rate was higher than 95 % when co-cultured with L929 cells. Diatom chitosan with 0.005 % could inhibit E. coli and S. aureus by >90 %. Considering the large-scale cultivation properties of diatom, the extraction of diatom chitosan based on alkalization freeze-thaw method will provide a viable solution for obtaining β-chitosan with homogeneity on a large scale.
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Affiliation(s)
- Chang Su
- College of Marine Life Science, Ocean University of China, 5# Yushan Road, Qingdao 266003, Shandong Province, China
| | - Changqing Jiang
- Qingdao Municipal Hospital, 5# Donghai Middle Road, Qingdao 266000, Shandong Province, China
| | - Jiawen Lin
- College of Marine Life Science, Ocean University of China, 5# Yushan Road, Qingdao 266003, Shandong Province, China
| | - Jinfeng Liu
- College of Marine Life Science, Ocean University of China, 5# Yushan Road, Qingdao 266003, Shandong Province, China; Qingdao Women and Children's Hospital, 217# Liaoyang West Road, Qingdao 266034, Shandong Province, China
| | - Hao Zhan
- College of Marine Life Science, Ocean University of China, 5# Yushan Road, Qingdao 266003, Shandong Province, China
| | - Shengting Che
- College of Marine Life Science, Ocean University of China, 5# Yushan Road, Qingdao 266003, Shandong Province, China
| | - Xiguang Chen
- College of Marine Life Science, Ocean University of China, 5# Yushan Road, Qingdao 266003, Shandong Province, China; Sanya Oceanographic Institute, Ocean University of China, Yonyou Industrial Park, Yazhou Bay Science & Technology City, Sanya 572024, Hainan Province, China; Laoshan Laboratory, 1# Wenhai Road, Qingdao 266000, Shandong Province, China
| | - Chao Feng
- College of Marine Life Science, Ocean University of China, 5# Yushan Road, Qingdao 266003, Shandong Province, China; Sanya Oceanographic Institute, Ocean University of China, Yonyou Industrial Park, Yazhou Bay Science & Technology City, Sanya 572024, Hainan Province, China.
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Kang S, Woo Y, Seo Y, Yoo D, Kwon D, Park H, Lee SD, Yoo HY, Lee T. A Descriptive Review on the Potential Use of Diatom Biosilica as a Powerful Functional Biomaterial: A Natural Drug Delivery System. Pharmaceutics 2024; 16:1171. [PMID: 39339207 PMCID: PMC11434644 DOI: 10.3390/pharmaceutics16091171] [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: 07/24/2024] [Revised: 08/29/2024] [Accepted: 09/02/2024] [Indexed: 09/30/2024] Open
Abstract
Although various chemically synthesized materials are essential in medicine, food, and agriculture, they can exert unexpected side effects on the environment and human health by releasing certain toxic chemicals. Therefore, eco-friendly and biocompatible biomaterials based on natural resources are being actively explored. Recently, biosilica derived from diatoms has attracted attention in various biomedical fields, including drug delivery systems (DDS), due to its uniform porous nano-pattern, hierarchical structure, and abundant silanol functional groups. Importantly, the structural characteristics of diatom biosilica improve the solubility of poorly soluble substances and enable sustained release of loaded drugs. Additionally, diatom biosilica predominantly comprises SiO2, has high biocompatibility, and can easily hybridize with other DDS platforms, including hydrogels and cationic DDS, owing to its strong negative charge and abundant silanol groups. This review explores the potential applications of various diatom biosilica-based DDS in various biomedical fields, with a particular focus on hybrid DDS utilizing them.
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Affiliation(s)
- Sunggu Kang
- Department of Chemical Engineering, Kwangwoon University, 20 Kwangwoon-ro, Nowon-gu, Seoul 01897, Republic of Korea
| | - Yeeun Woo
- Department of Chemical Engineering, Kwangwoon University, 20 Kwangwoon-ro, Nowon-gu, Seoul 01897, Republic of Korea
| | - Yoseph Seo
- Department of Chemical Engineering, Kwangwoon University, 20 Kwangwoon-ro, Nowon-gu, Seoul 01897, Republic of Korea
| | - Daehyeon Yoo
- Department of Chemical Engineering, Kwangwoon University, 20 Kwangwoon-ro, Nowon-gu, Seoul 01897, Republic of Korea
| | - Daeryul Kwon
- Protist Research Division, Biological Resources Research Department, Nakdonggang National Institute of Biological Resources (NNIBR), 137, Donam 2-gil, Sangju-si 37242, Gyeongsangbuk-do, Republic of Korea
| | - Hyunjun Park
- Department of Chemical Engineering, Kwangwoon University, 20 Kwangwoon-ro, Nowon-gu, Seoul 01897, Republic of Korea
| | - Sang Deuk Lee
- Protist Research Division, Biological Resources Research Department, Nakdonggang National Institute of Biological Resources (NNIBR), 137, Donam 2-gil, Sangju-si 37242, Gyeongsangbuk-do, Republic of Korea
| | - Hah Young Yoo
- Department of Biotechnology, Sangmyung University, 20, Hongjimun 2-gil, Jongno-gu, Seoul 03016, Republic of Korea
| | - Taek Lee
- Department of Chemical Engineering, Kwangwoon University, 20 Kwangwoon-ro, Nowon-gu, Seoul 01897, Republic of Korea
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Sun Y, Su C, Liu J, He Z, Che S, Wan Q, Cai J, Zhan H, Feng C, Cheng X, Lin F, Wei J, Chen X. One-pot reaction for the preparation of diatom hemostatic particles with effective hemostasis and economic benefits. Biomater Sci 2024; 12:1883-1897. [PMID: 38416049 DOI: 10.1039/d3bm01793a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/29/2024]
Abstract
Effective hemostatic materials have been in demand for rapid pre-hospital hemostasis in emergency situations, which can significantly reduce accidental deaths. The development of emergency hemostatic materials with rapid hemostasis, biosafety, and economical preparation is a great challenge. In this study, Ca(OH)2-complexed diatom powder hemostatic particles (Ca(OH)2-Php) were prepared based on a one-pot reaction by directly mixing various raw materials and by rotary granulation. High-temperature calcination was able to carbonate and consume the organic matter in the hemostatic particles. The crosslinked hydrogen bonds in those particles were converted to silica-oxygen bonds, the particles became more stable, and the porous structure of diatom biosilica (DBs) was exposed. Ca(OH)2-Php has high porosity, can quickly adsorb the water in blood (water absorption: 75.85 ± 6.93%), and exhibits rapid hemostasis capacity (clotting time was shortened by 43% compared with that of the control group), good biocompatibility (hemolysis rate <7%, no cytotoxicity), and simplicity of handling (conveniently debride, no residues, no tissue inflammation). This study provides a new idea for the preparation of emergency hemostatic materials, and Ca(OH)2-Php prepared by one-pot reaction has various high-quality characteristics including rapid hemostasis, wide applicability, economical preparation, and potential for large-scale production.
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Affiliation(s)
- Yunji Sun
- College of Marine Life Science, Sanya Oceanographic Institute, Ocean University of China, 5# Yushan Road, Qingdao 266003, Shandong Province, China.
| | - Chang Su
- College of Marine Life Science, Sanya Oceanographic Institute, Ocean University of China, 5# Yushan Road, Qingdao 266003, Shandong Province, China.
| | - Jinfeng Liu
- Qingdao Women and Children's Hospital, 217# Liaoyang West Road, Qingdao 266034, Shandong Province, China
| | - Zheng He
- College of Marine Life Science, Sanya Oceanographic Institute, Ocean University of China, 5# Yushan Road, Qingdao 266003, Shandong Province, China.
| | - Shengting Che
- College of Marine Life Science, Sanya Oceanographic Institute, Ocean University of China, 5# Yushan Road, Qingdao 266003, Shandong Province, China.
| | - Qinglan Wan
- College of Marine Life Science, Sanya Oceanographic Institute, Ocean University of China, 5# Yushan Road, Qingdao 266003, Shandong Province, China.
| | - Jingyu Cai
- College of Marine Life Science, Sanya Oceanographic Institute, Ocean University of China, 5# Yushan Road, Qingdao 266003, Shandong Province, China.
| | - Hao Zhan
- College of Marine Life Science, Sanya Oceanographic Institute, Ocean University of China, 5# Yushan Road, Qingdao 266003, Shandong Province, China.
| | - Chao Feng
- College of Marine Life Science, Sanya Oceanographic Institute, Ocean University of China, 5# Yushan Road, Qingdao 266003, Shandong Province, China.
| | - Xiaojie Cheng
- College of Marine Life Science, Sanya Oceanographic Institute, Ocean University of China, 5# Yushan Road, Qingdao 266003, Shandong Province, China.
| | - Feng Lin
- Hainan Hospital of Chinese PLA General Hospital, 80# Jianglin Road, Sanya 572013, Hainan Province, China.
| | - Junqiang Wei
- Hainan Hospital of Chinese PLA General Hospital, 80# Jianglin Road, Sanya 572013, Hainan Province, China.
| | - Xiguang Chen
- College of Marine Life Science, Sanya Oceanographic Institute, Ocean University of China, 5# Yushan Road, Qingdao 266003, Shandong Province, China.
- Laoshan Laboratory, 1# Wenhai Road, Qingdao 266000, Shandong Province, China
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Liu Y, Zhang Y, Yao W, Chen P, Cao Y, Shan M, Yu S, Zhang L, Bao B, Cheng FF. Recent Advances in Topical Hemostatic Materials. ACS APPLIED BIO MATERIALS 2024; 7:1362-1380. [PMID: 38373393 DOI: 10.1021/acsabm.3c01144] [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] [Indexed: 02/21/2024]
Abstract
Untimely or improper treatment of traumatic bleeding may cause secondary injuries and even death. The traditional hemostatic modes can no longer meet requirements of coping with complicated bleeding emergencies. With scientific and technological advancements, a variety of topical hemostatic materials have been investigated involving inorganic, biological, polysaccharide, and carbon-based hemostatic materials. These materials have their respective merits and defects. In this work, the application and mechanism of the major hemostatic materials, especially some hemostatic nanomaterials with excellent adhesion, good biocompatibility, low toxicity, and high adsorption capacity, are summarized. In the future, it is the prospect to develop multifunctional hemostatic materials with hemostasis and antibacterial and anti-inflammatory properties for promoting wound healing.
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Affiliation(s)
- Yang Liu
- Jiangsu Collaborative Innovation Centre of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Centre of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu Province China
| | - Yi Zhang
- Jiangsu Collaborative Innovation Centre of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Centre of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu Province China
| | - Weifeng Yao
- Jiangsu Collaborative Innovation Centre of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Centre of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu Province China
| | - Peidong Chen
- Jiangsu Collaborative Innovation Centre of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Centre of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu Province China
| | - Yudan Cao
- Jiangsu Collaborative Innovation Centre of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Centre of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu Province China
| | - Mingqiu Shan
- Jiangsu Collaborative Innovation Centre of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Centre of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu Province China
| | - Sheng Yu
- Jiangsu Collaborative Innovation Centre of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Centre of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu Province China
| | - Li Zhang
- Jiangsu Collaborative Innovation Centre of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Centre of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu Province China
| | - Beihua Bao
- Jiangsu Collaborative Innovation Centre of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Centre of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu Province China
| | - Fang-Fang Cheng
- Jiangsu Collaborative Innovation Centre of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Centre of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu Province China
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Cao Z, Wang X, Jiang C, Wang H, Mu Y, Sun X, Chen X, Feng C. Thermo-sensitive hydroxybutyl chitosan/diatom biosilica hydrogel with immune microenvironment regulatory for chronic wound healing. Int J Biol Macromol 2024; 262:130189. [PMID: 38360227 DOI: 10.1016/j.ijbiomac.2024.130189] [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: 09/21/2023] [Revised: 01/27/2024] [Accepted: 02/12/2024] [Indexed: 02/17/2024]
Abstract
This study proposes a chronic wound therapeutic strategy based on extracellular matrix (ECM) biomimetics and immune regulation. The hydroxybutyl chitosan/diatom biosilica hydrogel (H/D) which can regulate the immune microenvironment, is prepared from hydroxybutyl chitosan (HBC) as matrix to construct the bionic ECM and diatom biosilica (DB) as structural active unit. The hierarchical porous structure of DB provides strong anchoring interface effect to enhance the mechanical strength of hydrogel, while maintaining its favorable temperature phase transition behavior, improving the material's fit to the wound and convenience of clinical use. Silicates released from DB in H/D accelerate the transition of wounds from inflammation to proliferation and remodeling. In cellular and diabetic rat models, H/D reduces inflammation (induces conversion of M1-type macrophages to M2-type), induces angiogenesis (1.96-fold of control), promotes fibroblast proliferation (180.36 % of control), collagen deposition, keratinocyte migration (47.34 % more than control), and re-epithelialization. This study validates a possible biological mechanism for H/D bioactive hydrogel-mediated regulation of the immune microenvironment and provides a simple synergistic dressing strategy.
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Affiliation(s)
- Zheng Cao
- College of Marine Life Science, Ocean University of China, 5# Yushan Road, Qingdao 266003, Shandong Province, China
| | - Xiaoye Wang
- College of Marine Life Science, Ocean University of China, 5# Yushan Road, Qingdao 266003, Shandong Province, China
| | - Changqing Jiang
- Qingdao Municipal Hospital, 5# Donghai Middle Road, Qingdao 266000, Shandong Province, China
| | - Haonan Wang
- College of Marine Life Science, Ocean University of China, 5# Yushan Road, Qingdao 266003, Shandong Province, China
| | - Yuzhi Mu
- College of Marine Life Science, Ocean University of China, 5# Yushan Road, Qingdao 266003, Shandong Province, China
| | - Xiaojie Sun
- College of Marine Life Science, Ocean University of China, 5# Yushan Road, Qingdao 266003, Shandong Province, China
| | - Xiguang Chen
- College of Marine Life Science, Ocean University of China, 5# Yushan Road, Qingdao 266003, Shandong Province, China; Sanya Oceanographic Institute, Ocean University of China, Yonyou Industrial Park, Yazhou Bay Science & Technology City, Sanya 572024, Hainan Province, China; Laoshan Laboratory, 1# Wenhai Road, Qingdao 266000, Shandong Province, China
| | - Chao Feng
- College of Marine Life Science, Ocean University of China, 5# Yushan Road, Qingdao 266003, Shandong Province, China; Sanya Oceanographic Institute, Ocean University of China, Yonyou Industrial Park, Yazhou Bay Science & Technology City, Sanya 572024, Hainan Province, China.
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Peng G, Cai J, Wang Z, Zhang W, Xu J, Zhang D, Gong D. Facile fabrication of diatomite biosilica-based nasal drug delivery vehicle for enhanced treatment of allergic rhinitis. Colloids Surf B Biointerfaces 2024; 234:113715. [PMID: 38134821 DOI: 10.1016/j.colsurfb.2023.113715] [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: 08/28/2023] [Revised: 12/01/2023] [Accepted: 12/13/2023] [Indexed: 12/24/2023]
Abstract
Nanostructured silica-based materials have great potential as drug delivery vehicles for precise and personalized medical applications. As natural nanostructured silica, diatomite biosilica (DB) is recognized as a novel carrier to construct oral/parenteral smart drug delivery systems due to high surface area, biocompatibility, and applicability at low cost, yet the related studies on its use in local delivery routes are still scarce. Herein, we proposed a novel strategy to develop multifunctional nasal drug delivery vehicles based on DB, and demonstrated their versatile performance for enhanced treatment of allergic rhinitis (AR). As a proof of concept, the purified DB microparticles were loaded with budesonide as an anti-inflammatory model drug, and further processed via surface modification to graft polydopamine and carboxymethyl chitosan layers. The synthesized microcapsules exhibited remarkable mucin binding capacity and antibacterial activity against Staphylococcus aureus. Besides, toxicity evaluation with human skin fibroblast cells and hemolysis tests indicated their high biocompatibility. Moreover, in vitro drug release results demonstrated pH-responsive release performance of the microcapsules under simulated AR environment (pH 5.0, 35 °C). Hence, this study provides a facile and reliable approach to construct DB-based mucoadhesive nasal drug delivery vehicles, showing great potential for treatment of allergic airway inflammatory diseases.
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Affiliation(s)
- Guanya Peng
- School of Mechanical Engineering and Automation, Beihang University, Beijing 100191, China
| | - Jun Cai
- School of Mechanical Engineering and Automation, Beihang University, Beijing 100191, China
| | - Zhenhu Wang
- Beijing Institute of Radio Measurement, Beijing 100854, China
| | - Wenqiang Zhang
- College of Engineering, China Agricultural University, Beijing 100083, China
| | - Junjie Xu
- School of Mechanical Engineering and Automation, Beihang University, Beijing 100191, China
| | - Deyuan Zhang
- School of Mechanical Engineering and Automation, Beihang University, Beijing 100191, China
| | - De Gong
- School of Mechanical Engineering and Automation, Beihang University, Beijing 100191, China.
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