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Liu P, Chen W, Wu D, Zhang Z, Li W, Yang Y. The preparation, modification and hepatoprotective activity of chitooligosaccharides: A review. Int J Biol Macromol 2024; 277:134489. [PMID: 39111493 DOI: 10.1016/j.ijbiomac.2024.134489] [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: 04/07/2024] [Revised: 07/13/2024] [Accepted: 08/02/2024] [Indexed: 08/10/2024]
Abstract
Chitooligosaccharides (COS) has attracted increasing attention due to the various promising bioactivities, tremendous potential in agricultural, environmental nutritional and functional food fields. COS as the major degradation product from chitosan or chitin is prepared via enzymatic, chemical and physical methods. Further obtained COS generally possesses different structural characteristics, such as molecular weight, degree of acetylation and degree of polymerization. Innovations into COS modification has also broadened application of COS in nutrition as well as in agricultural safety. Due to the affinity between structure and bioactivity, diversity of structural characteristics endows COS with various bioactivities like antitumor, antioxidant and anti-inflammatory effects, especially hepatoprotective activity. Therefore, the present review narrates the recent developments in COS physicochemical properties, while paying considerable attention to preparation strategies of COS and their advantages and disadvantages. Moreover, the modification of COS is also discussed including alkylation, quaternization and sulfation, herein the structure-activity relationship of COS was highlighted. Additionally, we summarize the latest research on hepatoprotective activity and mechanisms of COS. Eventually, the future directions of research on COS were discussed, which would provide a new appreciation for the future use of COS.
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Affiliation(s)
- Peng Liu
- Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, National Engineering Research Center of Edible Fungi, Key Laboratory of Edible Fungi Resources and Utilization (South), Ministry of Agriculture, 201403 Shanghai, China
| | - Wanchao Chen
- Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, National Engineering Research Center of Edible Fungi, Key Laboratory of Edible Fungi Resources and Utilization (South), Ministry of Agriculture, 201403 Shanghai, China
| | - Di Wu
- Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, National Engineering Research Center of Edible Fungi, Key Laboratory of Edible Fungi Resources and Utilization (South), Ministry of Agriculture, 201403 Shanghai, China
| | - Zhong Zhang
- Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, National Engineering Research Center of Edible Fungi, Key Laboratory of Edible Fungi Resources and Utilization (South), Ministry of Agriculture, 201403 Shanghai, China
| | - Wen Li
- Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, National Engineering Research Center of Edible Fungi, Key Laboratory of Edible Fungi Resources and Utilization (South), Ministry of Agriculture, 201403 Shanghai, China
| | - Yan Yang
- Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, National Engineering Research Center of Edible Fungi, Key Laboratory of Edible Fungi Resources and Utilization (South), Ministry of Agriculture, 201403 Shanghai, China.
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Li B, Cui J, Xu T, Xu Y, Long M, Li J, Liu M, Yang T, Du Y, Xu Q. Advances in the preparation, characterization, and biological functions of chitosan oligosaccharide derivatives: A review. Carbohydr Polym 2024; 332:121914. [PMID: 38431416 DOI: 10.1016/j.carbpol.2024.121914] [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: 11/04/2023] [Revised: 01/31/2024] [Accepted: 02/01/2024] [Indexed: 03/05/2024]
Abstract
Chitosan oligosaccharide (COS), which represent the positively charged basic amino oligosaccharide in nature, is the deacetylated and degraded products of chitin. COS has become the focus of intensive scientific investigation, with a growing body of practical and clinical studies highlighting its remarkable health-enhancing benefits. These effects encompass a wide range of properties, including antibacterial, antioxidant, anti-inflammatory, and anti-tumor activities. With the rapid advancements in chemical modification technology for oligosaccharides, many COS derivatives have been synthesized and investigated. These newly developed derivatives possess more stable chemical structures, improved biological activities, and find applications across a broader spectrum of fields. Given the recent interest in the chemical modification of COS, this comprehensive review seeks to consolidate knowledge regarding the preparation methods for COS derivatives, alongside discussions on their structural characterization. Additionally, various biological activities of COS derivatives have been discussed in detail. Lastly, the potential applications of COS derivatives in biomedicine have been reviewed and presented.
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Affiliation(s)
- Bing Li
- Key Laboratory of Biotechnology and Bioresources Utilization of Ministry of Education, Dalian Minzu University, Dalian 116600, China
| | - Jingchun Cui
- Key Laboratory of Biotechnology and Bioresources Utilization of Ministry of Education, Dalian Minzu University, Dalian 116600, China.
| | - Tiantian Xu
- Key Laboratory of Biotechnology and Bioresources Utilization of Ministry of Education, Dalian Minzu University, Dalian 116600, China
| | - Yunshu Xu
- Key Laboratory of Biotechnology and Bioresources Utilization of Ministry of Education, Dalian Minzu University, Dalian 116600, China
| | - Mingxin Long
- Key Laboratory of Biotechnology and Bioresources Utilization of Ministry of Education, Dalian Minzu University, Dalian 116600, China
| | - Jiaqi Li
- Key Laboratory of Biotechnology and Bioresources Utilization of Ministry of Education, Dalian Minzu University, Dalian 116600, China
| | - Mingzhi Liu
- Key Laboratory of Biotechnology and Bioresources Utilization of Ministry of Education, Dalian Minzu University, Dalian 116600, China
| | - Ting Yang
- Key Laboratory of Biotechnology and Bioresources Utilization of Ministry of Education, Dalian Minzu University, Dalian 116600, China
| | - Yuguang Du
- Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China.
| | - Qingsong Xu
- Key Laboratory of Biotechnology and Bioresources Utilization of Ministry of Education, Dalian Minzu University, Dalian 116600, China.
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Xia W, Wei XY, Xie YY, Zhou T. A novel chitosan oligosaccharide derivative: Synthesis, antioxidant and antibacterial properties. Carbohydr Polym 2022; 291:119608. [DOI: 10.1016/j.carbpol.2022.119608] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Accepted: 05/08/2022] [Indexed: 02/05/2023]
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Shan T, Huang L, Tay FR, Gu L. Retention of Intrafibrillar Minerals Improves Resin-Dentin Bond Durability. J Dent Res 2022; 101:1490-1498. [PMID: 35708474 DOI: 10.1177/00220345221103137] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
The concept of extrafibrillar demineralization involves selective removal of apatite crystallites from the extrafibrillar spaces of mineralized dentin without disturbing the intrafibrillar minerals within collagen. This helps avoiding activation of endogenous proteases and enables air-drying of partially demineralized dentin without causing collapse of completely demineralized collagen matrix that adversely affects resin infiltration. The objective of the present study was to evaluate the potential of quaternized carboxymethyl chitosan (QCMC)-based extrafibrillar demineralization in improving resin-dentin bond durability. Isothermal titration calorimetry indicated that QCMC synthesized by quaternization of O-carboxymethyl chitosan had moderate affinity for Ca2+ (binding constant: 8.9 × 104 M-1). Wet and dry bonding with the QCMC-based demineralization produced tensile bond strengths equivalent to the phosphoric acid (H3PO4)-based etch-and-rinse technique. Those bond strengths were maintained after thermocycling. Amide I and PO43- mappings of QCMC-conditioned dentin were performed with atomic force microscope-infrared spectroscopy (AFM-IR). Whereas H3PO4-etched dentin exhibited an extensive reduction in PO43- signals corresponding to apatite depletion, QCMC-conditioned dentin showed scattered dark areas and bright PO43- streak signals. The latter were consistent with areas identified as collagen fibrils in the amide I mapping and were suggestive of the presence of intrafibrillar minerals in QCMC-conditioned dentin. Young's modulus mapping of QCMC-demineralized dentin obtained by AFM-based amplitude modulation-frequency modulation recorded moduli that were the same order of magnitude as those in mineralized dentin and at least 1 order higher than H3PO4-etched dentin. In situ zymography of the gelatinolytic activity within hybrid layers created with QCMC conditioning revealed extremely low signals before and after thermocycling, compared with H3PO4-etched dentin for both wet and dry bonding. Confocal laser scanning microscopy identified the antibacterial potential of QCMC against Streptococcus mutans and Enterococcus faecalis biofilms. Taken together, the QCMC-based demineralization retains intrafibrillar minerals, preserves the elastic modulus of collagen fibrils, reduces endogenous proteolytic activity, and inhibits bacteria biofilms to extend dentin bond durability.
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Affiliation(s)
- T Shan
- Department of Operative Dentistry and Endodontics, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-Sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, P.R. China
| | - L Huang
- Department of Operative Dentistry and Endodontics, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-Sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, P.R. China
| | - F R Tay
- Department of Endodontics, The Dental College of Georgia, Augusta University, Augusta, GA, USA
| | - L Gu
- Department of Operative Dentistry and Endodontics, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-Sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, P.R. China
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The Microstructure, Antibacterial and Antitumor Activities of Chitosan Oligosaccharides and Derivatives. Mar Drugs 2022; 20:md20010069. [PMID: 35049924 PMCID: PMC8781119 DOI: 10.3390/md20010069] [Citation(s) in RCA: 41] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 01/06/2022] [Accepted: 01/10/2022] [Indexed: 02/07/2023] Open
Abstract
Chitosan obtained from abundant marine resources has been proven to have a variety of biological activities. However, due to its poor water solubility, chitosan application is limited, and the degradation products of chitosan oligosaccharides are better than chitosan regarding performance. Chitosan oligosaccharides have two kinds of active groups, amino and hydroxyl groups, which can form a variety of derivatives, and the properties of these derivatives can be further improved. In this review, the key structures of chitosan oligosaccharides and recent studies on chitosan oligosaccharide derivatives, including their synthesis methods, are described. Finally, the antimicrobial and antitumor applications of chitosan oligosaccharides and their derivatives are discussed.
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Tu H, Dai F, Cheng G, Yuan M, Zhou X, Wang Y, Zhang R, Zheng Y, Cheng Y, Deng H. Incorporation of Layered Rectorite into Biocompatible Core-Sheath Nanofibrous Mats for Sustained Drug Delivery. ACS Biomater Sci Eng 2021; 7:4509-4520. [PMID: 34346208 DOI: 10.1021/acsbiomaterials.1c00638] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Searching for drug carries with controlled release and good biocompatibility has always been one of the research hotspots and difficulties. Herein, core-sheath nanofibrous mats (NFs) consisting of biocompatible poly(ethylene oxide) (PEO, core) and poly(l-lactic acid) (PLLA, sheath) for drug delivery were fabricated via coaxial electrospinning strategy. The nontoxic layered silicate rectorite (REC) with 0.5-1 wt % amount was introduced in the sheath for sustained drug delivery. Layered REC could be intercalated with PLLA macromolecule chains, leading to the densified structure for loading and keeping doxorubicin hydrochloride (DOX) while reversibly capturing and releasing DOX to delay the drug migration due to its high cation activity. The addition of REC in NFs could delay the initial burst release of DOX and prolong the residence time from 12 to 96 h. Moreover, DOX-loaded core-sheath NFs had in vitro culture with strong antitumor activity, which was confirmed by cytotoxicity results and live and dead assay. HepG2 tumor-bearing xenograft further demonstrated the tumor-suppression effect and the excellent safety of the DOX-loaded core-sheath NFs in vivo. The constructed NFs as drug carriers showed great potential in the local treatment of solid tumors.
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Affiliation(s)
- Hu Tu
- Hubei Key Laboratory of Biomass Resource Chemistry and Environmental Biotechnology, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Engineering Center of Natural Polymers-Based Medical Materials, School of Resource and Environmental Science, Wuhan University, Wuhan 430079, China.,State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan 430200, China
| | - Fangfang Dai
- Department of Obstetrics and Gynecology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, China
| | - Gu Cheng
- Hubei-MOST KLOS & KLOBME, Department of Oral and Maxillofical Trauma and Plastic Surgery, Wuhan University Stomatological Hospital, Wuhan University, Wuhan 430079, China
| | - Mengqin Yuan
- Department of Obstetrics and Gynecology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, China
| | - Xue Zhou
- School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Yanqing Wang
- Department of Obstetrics and Gynecology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, China
| | - Ruquan Zhang
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan 430200, China
| | - Yajing Zheng
- Department of Obstetrics and Gynecology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, China
| | - Yanxiang Cheng
- Department of Obstetrics and Gynecology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, China
| | - Hongbing Deng
- Hubei Key Laboratory of Biomass Resource Chemistry and Environmental Biotechnology, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Engineering Center of Natural Polymers-Based Medical Materials, School of Resource and Environmental Science, Wuhan University, Wuhan 430079, China
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7
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Preparation and characterization of chitosan oligosaccharide derivatives containing cinnamyl moieties with enhanced antibacterial activities. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2021.111663] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Zhang J, Xue S, Zhu X, Zhao Y, Chen Y, Tong J, Shi X, Du Y, Zhong Z, Ye Q. Emerging chitin nanogels/rectorite nanocomposites for safe and effective hemorrhage control. J Mater Chem B 2020; 7:5096-5103. [PMID: 31432879 DOI: 10.1039/c9tb01019j] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Excessive bleeding due to trauma, surgery and diseases may cause severe mortalities. Here, an emerging chitin nanogel/rectorite nanocomposite is developed for effective hemorrhage control. Chitin chains are intercalated into rectorite and subsequent mechanical high speed stirring generates chitin nanogels, which assemble on the surface of the rectorite nanoplates through electrostatic interactions to form a sandwich structure. The in vitro experiments reveal that the nanocomposite exhibits favorable biocompatibility and negligible hemolysis (<3.5%) as compared to rectorite (40%). The nanocomposite stops bleeding in 121 s in rat tail incision and exhibits higher hemostatic activity in the rabbit artery injury model as compared to a commercialized chitosan hemostat, Celox. The efficient blood clotting activity is attributed to the induction of a coagulation cascade by rectorite and the quick adsorption and aggregation of platelets and red blood cells by chitin. The enhanced biocompatibility and hemostatic activity of the chitin/rectorite nanocomposite make it a safe and cost effective hemostat to control bleeding.
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Affiliation(s)
- Jianwei Zhang
- School of Resource and Environmental Science, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Engineering Center of Natural Polymers-based Medical Materials, Wuhan University, Wuhan 430079, China.
| | - Shuai Xue
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Transplant Center of Wuhan University Hubei Key Laboratory of Medical Technology on Transplantation, Wuhan 430071, China.
| | - Xinyi Zhu
- School of Resource and Environmental Science, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Engineering Center of Natural Polymers-based Medical Materials, Wuhan University, Wuhan 430079, China.
| | - Yanan Zhao
- Department of Biomedical Engineering, School of Basic Medical Sciences, Wuhan University, Wuhan 430071, China
| | - Yun Chen
- Department of Biomedical Engineering, School of Basic Medical Sciences, Wuhan University, Wuhan 430071, China
| | - Jun Tong
- School of Resource and Environmental Science, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Engineering Center of Natural Polymers-based Medical Materials, Wuhan University, Wuhan 430079, China.
| | - Xiaowen Shi
- School of Resource and Environmental Science, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Engineering Center of Natural Polymers-based Medical Materials, Wuhan University, Wuhan 430079, China.
| | - Yumin Du
- School of Resource and Environmental Science, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Engineering Center of Natural Polymers-based Medical Materials, Wuhan University, Wuhan 430079, China.
| | - Zibiao Zhong
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Transplant Center of Wuhan University Hubei Key Laboratory of Medical Technology on Transplantation, Wuhan 430071, China.
| | - Qifa Ye
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Transplant Center of Wuhan University Hubei Key Laboratory of Medical Technology on Transplantation, Wuhan 430071, China.
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9
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Wang C, Makvandi P, Zare EN, Tay FR, Niu L. Advances in Antimicrobial Organic and Inorganic Nanocompounds in Biomedicine. ADVANCED THERAPEUTICS 2020. [DOI: 10.1002/adtp.202000024] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Chen‐yu Wang
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of StomatologyDepartment of Prosthodontics, School of StomatologyThe Fourth Military Medical University Xi'an Shaanxi 710000 China
| | - Pooyan Makvandi
- Chemistry Department, Faculty of ScienceShahid Chamran University of Ahvaz Ahvaz 6153753843 Iran
- Institute for Polymers, Composites, and Biomaterials (IPCB), National Research Council (CNR) Naples 80125 Italy
| | | | - Franklin R. Tay
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of StomatologyDepartment of Prosthodontics, School of StomatologyThe Fourth Military Medical University Xi'an Shaanxi 710000 China
- College of Graduate StudiesAugusta University Augusta GA 30912 USA
| | - Li‐na Niu
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of StomatologyDepartment of Prosthodontics, School of StomatologyThe Fourth Military Medical University Xi'an Shaanxi 710000 China
- College of Graduate StudiesAugusta University Augusta GA 30912 USA
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Gao H, Zhong Z, Xia H, Hu Q, Ye Q, Wang Y, Chen L, Du Y, Shi X, Zhang L. Construction of cellulose nanofibers/quaternized chitin/organic rectorite composites and their application as wound dressing materials. Biomater Sci 2019; 7:2571-2581. [PMID: 30977470 DOI: 10.1039/c9bm00288j] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Traumatic injury is a major cause of mortality, and poor wound healing affects millions of people. Thus, the development of effective wound dressings is essential for speeding up wound healing and decreasing mortality. In this study, a suspension of carboxylated brown algae cellulose nanofibers (BACNFs) with a high aspect ratio was freeze dried to prepare a sponge. The sponge showed high porosity and water absorption capacity; thus, it can absorb wound exudates when used as a wound dressing. In addition, quaternized β-chitin (QC) with antibacterial properties was intercalated into the interlayer space of the organic rectorite (OREC) via electrostatic interactions to obtain composite suspensions (QCRs) with improved antimicrobial activity compared to that of QC alone. Subsequently, the BACNF sponge was soaked in the QCR suspension to absorb QCRs via electrostatic interactions and hydrogen bonding from which cellulose nanofiber/quaternized chitin/organic rectorite composite (BACNF/QCR) sponges were constructed via freeze-drying. The in vivo animal tests demonstrated that the BACNF/QCR sponges rapidly induced hemostasis in a rat tail amputation test, making them superior to the traditional hemostatic materials. Furthermore, BACNFs/QCRs could substantially promote collagen synthesis and neovascularization, thereby accelerating wound healing 3 days earlier than gauze. This multi-functional biomedical material, fabricated using natural substances, shows great potential to be used for wound healing.
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Affiliation(s)
- Huimin Gao
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China.
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Elsayed SM, Widyaya VT, Shafi Y, Eickenscheidt A, Lienkamp K. Bifunctional Bioactive Polymer Surfaces with Micrometer and Submicrometer-sized Structure: The Effects of Structure Spacing and Elastic Modulus on Bioactivity. Molecules 2019; 24:E3371. [PMID: 31527527 PMCID: PMC6767307 DOI: 10.3390/molecules24183371] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 08/16/2019] [Accepted: 08/27/2019] [Indexed: 11/16/2022] Open
Abstract
This study presents a comparison of two types of bifunctional structured surface that were made from the same polymer -- an antimicrobial polycation (a synthetic mimic of an antimicrobial peptide, SMAMP) and a protein-repellent polyzwitterion (poly(sulfobetaines), PSB). The first type of bifunctional surface was fabricated by a colloidal lithography (CL) based process where the two polymers were immobilized sequentially onto pre-structured surfaces with a chemical contrast (gold on silicon). This enabled site-selective covalent attachment. The CL materials had a spacing ranging from 200 nm to 2 µm. The second type of structured surface (spacing: 1 - 8.5 µm) was fabricated using a microcontact printing (µCP) process where SMAMP patches were printed onto a PSB network, so that 3D surface features were obtained. The thus obtained materials were studied by quantitative nanomechanical measurements using atomic force microscopy (QNM-AFM). The different architectures led to different local elastic moduli at the polymer-air interface, where the CL surfaces were much stiffer (Derjaguin-Muller-Toporov (DMT) modulus = 20 ± 0.8 GPa) compared to the structured 3D networks obtained by µCP (DMT modulus = 42 ± 1.1 MPa). The effects of the surface topology and stiffness on the antimicrobial activity against Escherichia coli, the protein repellency (using fibrinogen), and the compatibility with human gingival mucosal keratinocytes were investigated. The softer 3D µCP surfaces had simultaneous antimicrobial activity, protein repellency, and cell compatibility at all spacings. For the stiffer CL surfaces, quantitative simultaneous antimicrobial activity and protein repellency was not obtained. However, the cell compatibility could be maintained at all spacings. The optimum spacing for the CL materials was in the range of 500 nm-1 µm, with significantly reduced antimicrobial activity at 2 µm spacing. Thus, the soft polymer network obtained by µCP could be more easily optimized than the stiff CL surface, and had a broader topology range of optimal or near-optimal bioactivity.
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Affiliation(s)
- Sarah M Elsayed
- Freiburg Center for Interactive Materials and Bioinspired Technologies (FIT) and Department of Microsystems Engineering (IMTEK), Albert-Ludwigs-Universität, Georges-Köhler-Allee 105, 79110 Freiburg, Germany
| | - Vania Tanda Widyaya
- Freiburg Center for Interactive Materials and Bioinspired Technologies (FIT) and Department of Microsystems Engineering (IMTEK), Albert-Ludwigs-Universität, Georges-Köhler-Allee 105, 79110 Freiburg, Germany
| | - Yasir Shafi
- Freiburg Center for Interactive Materials and Bioinspired Technologies (FIT) and Department of Microsystems Engineering (IMTEK), Albert-Ludwigs-Universität, Georges-Köhler-Allee 105, 79110 Freiburg, Germany
| | - Alice Eickenscheidt
- Freiburg Center for Interactive Materials and Bioinspired Technologies (FIT) and Department of Microsystems Engineering (IMTEK), Albert-Ludwigs-Universität, Georges-Köhler-Allee 105, 79110 Freiburg, Germany
| | - Karen Lienkamp
- Freiburg Center for Interactive Materials and Bioinspired Technologies (FIT) and Department of Microsystems Engineering (IMTEK), Albert-Ludwigs-Universität, Georges-Köhler-Allee 105, 79110 Freiburg, Germany.
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Phil L, Naveed M, Mohammad IS, Bo L, Bin D. Chitooligosaccharide: An evaluation of physicochemical and biological properties with the proposition for determination of thermal degradation products. Biomed Pharmacother 2018; 102:438-451. [DOI: 10.1016/j.biopha.2018.03.108] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2017] [Revised: 03/17/2018] [Accepted: 03/17/2018] [Indexed: 01/08/2023] Open
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13
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Zheng J, Yuan X, Cheng G, Jiao S, Feng C, Zhao X, Yin H, Du Y, Liu H. Chitosan oligosaccharides improve the disturbance in glucose metabolism and reverse the dysbiosis of gut microbiota in diabetic mice. Carbohydr Polym 2018; 190:77-86. [PMID: 29628262 DOI: 10.1016/j.carbpol.2018.02.058] [Citation(s) in RCA: 108] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Revised: 01/20/2018] [Accepted: 02/20/2018] [Indexed: 12/11/2022]
Abstract
The aim of this study is to investigate the effect of chitosan oligosaccharides (COS) on type 2 diabetes mellitus. Wild type C57BL/6J mice or diabetic db/db mice were treated with vehicle or COS for three months. COS treatment significantly decreased the blood glucose (P < 0.01) and reversed the insulin resistance (P < 0.05) in db/db mice, which was accompanied by suppressing the inflammation mediators (P < 0.05), down-regulating the lipogenesis (P < 0.01) and inhibiting the adipocyte differentiation (P < 0.05) in white adipose tissue. Additionally, COS treatment inhibited the reduction of occludin (P < 0.01) and relieved the gut dysbiosis in diabetic mice by promoting Akkermansia (P < 0.01) and suppressing Helicobacter (P < 0.05). Spearman's correlation analysis indicates that the COS-modulated bacteria are positively correlated with inflammation, hyperglycemia and dyslipidemia. The functional profiling based on the microbiota composition implicated that COS treatment may regulate the metabolic pathways of gut microbiota. In summary, COS treatment remarkably improved the glucose metabolism and reshaped the unbalanced gut microbiota of diabetic mice. Our study provided the evidence for application of COS to the treatment of diabetes mellitus.
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Affiliation(s)
- Junping Zheng
- Liaoning Provincial Key Laboratory of Carbohydrates, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China; State Key Laboratory of Biochemical Engineering and Key Laboratory of Biopharmaceutical Production & Formulation Engineering, PLA, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, PR China
| | - Xubing Yuan
- University of Chinese Academy of Sciences, Beijing 100049, PR China; State Key Laboratory of Biochemical Engineering and Key Laboratory of Biopharmaceutical Production & Formulation Engineering, PLA, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, PR China
| | - Gong Cheng
- State Key Laboratory of Biochemical Engineering and Key Laboratory of Biopharmaceutical Production & Formulation Engineering, PLA, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, PR China
| | - Siming Jiao
- State Key Laboratory of Biochemical Engineering and Key Laboratory of Biopharmaceutical Production & Formulation Engineering, PLA, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, PR China
| | - Cui Feng
- State Key Laboratory of Biochemical Engineering and Key Laboratory of Biopharmaceutical Production & Formulation Engineering, PLA, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, PR China
| | - Xiaoming Zhao
- Liaoning Provincial Key Laboratory of Carbohydrates, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, PR China
| | - Heng Yin
- Liaoning Provincial Key Laboratory of Carbohydrates, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, PR China
| | - Yuguang Du
- State Key Laboratory of Biochemical Engineering and Key Laboratory of Biopharmaceutical Production & Formulation Engineering, PLA, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, PR China.
| | - Hongtao Liu
- State Key Laboratory of Biochemical Engineering and Key Laboratory of Biopharmaceutical Production & Formulation Engineering, PLA, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, PR China; Zhengzhou Institute of Emerging Industrial Technology, Zhengzhou 450000, PR China.
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14
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Wu Y, Lu WP, Wang J, Gao Y, Guo Y. Rapid and Convenient Separation of Chitooligosaccharides by Ion-Exchange Chromatography. ACTA ACUST UNITED AC 2018. [DOI: 10.1088/1757-899x/275/1/012008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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15
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Jin J, Tu H, Chen J, Cheng G, Shi X, Deng H, Li Z, Du Y. Rectorite-intercalated nanoparticles for improving controlled release of doxorubicin hydrochloride. Int J Biol Macromol 2017; 101:815-822. [DOI: 10.1016/j.ijbiomac.2017.03.059] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2017] [Revised: 03/08/2017] [Accepted: 03/11/2017] [Indexed: 01/18/2023]
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16
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Enhanced electrokinetic properties and antimicrobial activities of biodegradable chitosan/organo-bentonite composites. Carbohydr Polym 2017; 161:71-81. [DOI: 10.1016/j.carbpol.2016.12.067] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2016] [Revised: 12/13/2016] [Accepted: 12/28/2016] [Indexed: 11/21/2022]
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17
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Kong S, Ding C, Huang L, Bai Y, Xiao T, Guo J, Su Z. The effects of COST on the differentiation of 3T3-L1 preadipocytes and the mechanism of action. Saudi J Biol Sci 2016; 24:251-255. [PMID: 28149159 PMCID: PMC5272960 DOI: 10.1016/j.sjbs.2016.09.008] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2016] [Revised: 08/31/2016] [Accepted: 09/02/2016] [Indexed: 11/28/2022] Open
Abstract
The objectives of this study were to explore the effect of COST (one thousand Da molecular weight chitosan oligosaccharide) on the differentiation of 3T3-L1 preadipocytes and to determine the mechanism of action. 3T3-L1 preadipocytes were used as the target cells, and the induction of the methods for the differentiation of 3T3-L1 preadipocytes was based on classic cocktails. The MTT assay was used to filtrate the concentration of COST. On the 6th day of induced-differentiation, the differentiation of 3T3-L1 cells was detected by Oil Red O staining. The expression of PPARγ and C/EBPα mRNA was determined using real-time fluorescence quantitative PCR (Q-PCR). COST inhibited 3T3-L1 preadipocyte differentiation in a dose-dependent manner and decreased lipid accumulation. At the molecular level, the expression of the transcription factors, PPARγ and C/EBPα, was reduced by COST during adipogenesis. These results indicate that COST effectively inhibited the differentiation of 3T3-L1 preadipocytes. The mechanism is related to the down-regulation expression of PPARγ and C/EBPα.
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Affiliation(s)
- Shang Kong
- Key Research Center of Liver Regulation for Hyperlipidemia SATCM/Class III Laboratory of Metabolism SATCM, Guangdong TCM Key Laboratory for Metabolic Diseases, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Chen Ding
- Key Research Center of Liver Regulation for Hyperlipidemia SATCM/Class III Laboratory of Metabolism SATCM, Guangdong TCM Key Laboratory for Metabolic Diseases, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Lanlan Huang
- Key Research Center of Liver Regulation for Hyperlipidemia SATCM/Class III Laboratory of Metabolism SATCM, Guangdong TCM Key Laboratory for Metabolic Diseases, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Yan Bai
- Guangzhou Boxabio Technology Ltd, Guangzhou Science City, China
| | - Tiancun Xiao
- Inorganic Chemistry Laboratory, Oxford University, South Parks Road, OX1 3QR, United Kingdom; Guangzhou Boxabio Technology Ltd, Guangzhou Science City, China
| | - Jiao Guo
- Key Research Center of Liver Regulation for Hyperlipidemia SATCM/Class III Laboratory of Metabolism SATCM, Guangdong TCM Key Laboratory for Metabolic Diseases, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Zhengquan Su
- Key Research Center of Liver Regulation for Hyperlipidemia SATCM/Class III Laboratory of Metabolism SATCM, Guangdong TCM Key Laboratory for Metabolic Diseases, Guangdong Pharmaceutical University, Guangzhou 510006, China
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18
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Interaction between chitosan-based clay nanocomposites and cellulose in a chemical pulp suspension. Carbohydr Polym 2016; 137:375-381. [DOI: 10.1016/j.carbpol.2015.10.099] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2015] [Revised: 10/29/2015] [Accepted: 10/31/2015] [Indexed: 12/26/2022]
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19
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Huang Y, Huang J, Cai J, Lin W, Lin Q, Wu F, Luo J. Carboxymethyl chitosan/clay nanocomposites and their copper complexes: Fabrication and property. Carbohydr Polym 2015; 134:390-7. [DOI: 10.1016/j.carbpol.2015.07.089] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2015] [Revised: 07/25/2015] [Accepted: 07/28/2015] [Indexed: 11/16/2022]
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20
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Sibaja B, Culbertson E, Marshall P, Boy R, Broughton RM, Solano AA, Esquivel M, Parker J, De La Fuente L, Auad ML. Preparation of alginate-chitosan fibers with potential biomedical applications. Carbohydr Polym 2015; 134:598-608. [PMID: 26428163 DOI: 10.1016/j.carbpol.2015.07.076] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2014] [Revised: 07/20/2015] [Accepted: 07/21/2015] [Indexed: 10/23/2022]
Abstract
The preparation of alginate-chitosan fibers, through wet spinning technique, as well as the study of their properties as a function of chitosan's molecular weight and retention time in the coagulation bath, is presented and discussed in this work. Scanning electron microscopy (SEM) revealed that the fibers presented irregular and rough surfaces, with a grooved and heavily striated morphology distributed throughout the structure. Dynamic mechanical analysis (DMA) showed that, with the exception of elongation at break, the incorporation of chitosan into the fibers improved their tensile properties. The in vitro release profile of sulfathiazole as a function of chitosan's molecular weight indicated that the fibers are viable carriers of drugs. Kinetic models showed that the release of the model drug is first-order, and the release mechanism is governed by the Korsmeyer-Peppas model. Likewise, fibers loaded with sulfathiazole showed excellent inhibition of Escherichia coli growth after an incubation time of 24h at 37 °C.
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Affiliation(s)
- Bernal Sibaja
- Department of Chemical Engineering, Auburn University, Auburn, AL 36849, United States; Department of Polymer and Fiber Engineering, Auburn University, Auburn, AL 36849, United States
| | - Edward Culbertson
- Department of Polymer and Fiber Engineering, Auburn University, Auburn, AL 36849, United States
| | - Patrick Marshall
- Department of Polymer and Fiber Engineering, Auburn University, Auburn, AL 36849, United States
| | - Ramiz Boy
- Department of Polymer and Fiber Engineering, Auburn University, Auburn, AL 36849, United States
| | - Roy M Broughton
- Department of Polymer and Fiber Engineering, Auburn University, Auburn, AL 36849, United States
| | | | - Marianelly Esquivel
- Laboratory of Science and Technology of Polymers, National University of Costa Rica, Costa Rica
| | - Jennifer Parker
- Department of Entomology & Plant Pathology, Auburn University, Auburn, AL
| | | | - Maria L Auad
- Department of Chemical Engineering, Auburn University, Auburn, AL 36849, United States; Department of Polymer and Fiber Engineering, Auburn University, Auburn, AL 36849, United States.
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21
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Chitosan/organic rectorite composite for the magnetic uptake of methylene blue and methyl orange. Carbohydr Polym 2015; 123:89-98. [DOI: 10.1016/j.carbpol.2015.01.021] [Citation(s) in RCA: 100] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2014] [Revised: 01/07/2015] [Accepted: 01/08/2015] [Indexed: 01/18/2023]
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22
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Koosha M, Mirzadeh H, Shokrgozar MA, Farokhi M. Nanoclay-reinforced electrospun chitosan/PVA nanocomposite nanofibers for biomedical applications. RSC Adv 2015. [DOI: 10.1039/c4ra13972k] [Citation(s) in RCA: 99] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Chitosan/PVA/nanoclay nanocomposite nanofibers have been prepared successfully by electrospinning. Bead-free morphology was achieved for the nanofibrous mats and the nanoclays were incorporated and distributed uniformly inside the nanofibers.
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Affiliation(s)
- Mojtaba Koosha
- Department of Polymer Engineering and Color Technology
- Amirkabir University of Technology (Tehran Polytechnic)
- Tehran
- Iran
| | - Hamid Mirzadeh
- Department of Polymer Engineering and Color Technology
- Amirkabir University of Technology (Tehran Polytechnic)
- Tehran
- Iran
| | | | - Mehdi Farokhi
- National Cell Bank of Iran
- Pasteur Institute of Iran
- Tehran
- Iran
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23
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Klompong V, Benjakul S. Antioxidative and antimicrobial activities of the extracts from the seed coat of Bambara groundnut (Voandzeia subterranea). RSC Adv 2015. [DOI: 10.1039/c4ra10955d] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Antioxidative and antimicrobial activities of extracts from Bambarra groundnut seed coat, prepared using water, ethanol and acetone as the media at various temperatures (30, 60, 90 °C) were investigated.
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Affiliation(s)
- Vilailak Klompong
- Department of Food Science and Technology
- Faculty of Technology and Community Development
- Thaksin University
- Phapayom
- Thailand
| | - Soottawat Benjakul
- Department of Food Technology
- Faculty of Agro-industry
- Prince of Songkla University
- Hat Yai 90112
- Thailand
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24
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Geng CZ, Hu X, Yang GH, Zhang Q, Chen F, Fu Q. Mechanically reinforced chitosan/cellulose nanocrystals composites with good transparency and biocompatibility. CHINESE JOURNAL OF POLYMER SCIENCE 2014. [DOI: 10.1007/s10118-015-1558-6] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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25
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Zhan Y, Zeng W, Jiang G, Wang Q, Shi X, Zhou Z, Deng H, Du Y. Construction of lysozyme exfoliated rectorite-based electrospun nanofibrous membranes for bacterial inhibition. J Appl Polym Sci 2014. [DOI: 10.1002/app.41496] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Yingfei Zhan
- Department of Environmental Science; School of Resource and Environmental Science, Wuhan University; Wuhan 430079 China
- Hubei-MOST KLOS & KLOBME; Wuhan University Stomatological Hospital, Wuhan University; Wuhan 430079 China
| | - Wen Zeng
- Department of Environmental Science; School of Resource and Environmental Science, Wuhan University; Wuhan 430079 China
| | - Guoxia Jiang
- Department of Environmental Science; School of Resource and Environmental Science, Wuhan University; Wuhan 430079 China
| | - Qun Wang
- Department of Chemical and Biological Engineering; Iowa State University; Ames Iowa 50014
- Department of Civil; Construction and Environmental Engineering, Iowa State University; Ames Iowa 50014
| | - Xiaowen Shi
- Department of Environmental Science; School of Resource and Environmental Science, Wuhan University; Wuhan 430079 China
| | - Zhehao Zhou
- Department of Environmental Science; School of Resource and Environmental Science, Wuhan University; Wuhan 430079 China
| | - Hongbing Deng
- Department of Environmental Science; School of Resource and Environmental Science, Wuhan University; Wuhan 430079 China
| | - Yumin Du
- Department of Environmental Science; School of Resource and Environmental Science, Wuhan University; Wuhan 430079 China
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26
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Luo J, Xie M, Wang X. Green fabrication of quaternized chitosan/rectorite/Ag NP nanocomposites with antimicrobial activity. Biomed Mater 2014; 9:011001. [DOI: 10.1088/1748-6041/9/1/011001] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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27
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Konjac Glucomannan/Poly(vinyl alcohol)/Na+Rectorite Nanocomposite Films: Structure, Characteristic and Drug Delivery Behaviour. J Inorg Organomet Polym Mater 2013. [DOI: 10.1007/s10904-013-9950-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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