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Mei Z, Kuzhir P, Godeau G. Update on Chitin and Chitosan from Insects: Sources, Production, Characterization, and Biomedical Applications. Biomimetics (Basel) 2024; 9:297. [PMID: 38786507 PMCID: PMC11118814 DOI: 10.3390/biomimetics9050297] [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: 04/15/2024] [Revised: 05/11/2024] [Accepted: 05/12/2024] [Indexed: 05/25/2024] Open
Abstract
Insects, renowned for their abundant and renewable biomass, stand at the forefront of biomimicry-inspired research and offer promising alternatives for chitin and chitosan production considering mounting environmental concerns and the inherent limitations of conventional sources. This comprehensive review provides a meticulous exploration of the current state of insect-derived chitin and chitosan, focusing on their sources, production methods, characterization, physical and chemical properties, and emerging biomedical applications. Abundant insect sources of chitin and chitosan, from the Lepidoptera, Coleoptera, Orthoptera, Hymenoptera, Diptera, Hemiptera, Dictyoptera, Odonata, and Ephemeroptera orders, were comprehensively summarized. A variety of characterization techniques, including spectroscopy, chromatography, and microscopy, were used to reveal their physical and chemical properties like molecular weight, degree of deacetylation, and crystallinity, laying a solid foundation for their wide application, especially for the biomimetic design process. The examination of insect-derived chitin and chitosan extends into a wide realm of biomedical applications, highlighting their unique advantages in wound healing, tissue engineering, drug delivery, and antimicrobial therapies. Their intrinsic biocompatibility and antimicrobial properties position them as promising candidates for innovative solutions in diverse medical interventions.
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Affiliation(s)
- Zhenying Mei
- Université Côte d’Azur, CNRS UMR 7010 Institut de Physique de Nice, 17 rue Julien Laupêtre, 06200 Nice, France
| | - Pavel Kuzhir
- Université Côte d’Azur, CNRS UMR 7010 Institut de Physique de Nice, 17 rue Julien Laupêtre, 06200 Nice, France
| | - Guilhem Godeau
- Université Côte d’Azur, CNRS UMR 7010 Institut de Physique de Nice, 17 rue Julien Laupêtre, 06200 Nice, France
- Université Côte d’Azur, Institut Méditerranéen du Risque de l’Environnement et du Développement Durable, 9 rue Julien Laupêtre, 06200 Nice, France
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Li Q, Wang D, Xiao C, Wang H, Dong S. Advances in Hydrogels for Periodontitis Treatment. ACS Biomater Sci Eng 2024; 10:2742-2761. [PMID: 38639082 DOI: 10.1021/acsbiomaterials.4c00220] [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: 04/20/2024]
Abstract
Periodontitis is a common condition characterized by a bacterial infection and the disruption of the body's immune-inflammatory response, which causes damage to the teeth and supporting tissues and eventually results in tooth loss. Current therapy involves the systemic and local administration of antibiotics. However, the existing treatments cannot exert effective, sustained release and maintain an effective therapeutic concentration of the drug at the lesion site. Hydrogels are used to treat periodontitis due to their low cytotoxicity, exceptional water retention capability, and controlled drug release profile. Hydrogels can imitate the extracellular matrix of periodontal cells while offering suitable sites to load antibiotics. This article reviews the utilization of hydrogels for periodontitis therapy based on the pathogenesis and clinical manifestations of the disease. Additionally, the latest therapeutic strategies for smart hydrogels and the main techniques for hydrogel preparation have been discussed. The information will aid in designing and preparing future hydrogels for periodontitis treatment.
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Affiliation(s)
- Qiqi Li
- The First Outpatient Department, Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, School and Hospital of Stomatology, Jilin University, Changchun 130021, China
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
| | - Di Wang
- The First Outpatient Department, Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, School and Hospital of Stomatology, Jilin University, Changchun 130021, China
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
| | - Chunsheng Xiao
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
| | - Hao Wang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
| | - Shujun Dong
- The First Outpatient Department, Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, School and Hospital of Stomatology, Jilin University, Changchun 130021, China
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Worku LA, Tadesse MG, Bachheti RK, Bachheti A, Husen A. Synthesis of carboxylated cellulose nanocrystal/ZnO nanohybrids using Oxytenanthera abyssinica cellulose and zinc nitrate hexahydrate for radical scavenging, photocatalytic, and antibacterial activities. Int J Biol Macromol 2024; 267:131228. [PMID: 38554923 DOI: 10.1016/j.ijbiomac.2024.131228] [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: 12/07/2023] [Revised: 02/05/2024] [Accepted: 03/27/2024] [Indexed: 04/02/2024]
Abstract
The extremely low antioxidant, photocatalytic, and antibacterial properties of cellulose limit its application in the biomedical and environmental sectors. To improve these properties, nanohybrides were prepared by mixing carboxylated cellulose nanocrystals (CCNCs) and zinc nitrate hexahydrate. Data from FTIR, XRD, DLS, and SEM spectra showed that, ZnO nanoparticles, with a size ranging from 94 to 351 nm and the smallest nanoparticle size of 164.18 nm, were loaded onto CCNCs. CCNCs/ZnO1 nanohybrids demonstrated superior antibacterial, photocatalytic, and antioxidant performance. More considerable antibacterial activity was shown with a zone of inhibition ranging from 26.00 ± 1.00 to 40.33 ± 2.08 mm and from 31.66 ± 3.51 to 41.33 ± 1.15 mm against Gram-positive and Gram-negative bacteria, respectively. Regarding photodegradation properties, the maximum value (∼91.52 %) of photocatalytic methylene blue degradation was observed after 75 min exposure to a UV lamp. At a concentration of 125.00 μm/ml of the CCNC/ZnO1 nanohybrids sample, 53.15 ± 1.03 % DPPH scavenging activity was obtained with an IC50 value of 117.66 μm/ml. A facile, cost-effective, one-step synthesis technique was applied to fabricate CCNCs/ZnO nanohybrids at mild temperature using Oxytenanthera abyssinica carboxylated cellulose nanocrystals as biotemplate. The result showed that CCNCs/ZnO nanohybrids possess potential applications in developing advanced functional materials for dye removal and antibacterial and antioxidant applications.
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Affiliation(s)
- Limenew Abate Worku
- Debre Tabor University, College of Natural and Computational Science, Department of Chemistry, Debre Tabor, Ethiopia
| | - Mesfin Getachew Tadesse
- Department of Industrial Chemistry, College of Natural and Applied Sciences, Addis Ababa Science and Technology University, P.O. Box: 16417, Addis Ababa, Ethiopia
| | - Rakesh Kumar Bachheti
- Department of Industrial Chemistry, College of Natural and Applied Sciences, Addis Ababa Science and Technology University, P.O. Box: 16417, Addis Ababa, Ethiopia; Department of Allied Sciences, Graphic Era Hill University, Society Area, Clement Town, Dehradun 248002, Uttarakhand, India.
| | - Archana Bachheti
- Department of Environment Science, Graphic Era (Deemed to be University), Dehradun 248002, Uttarakhand, India
| | - Azamal Husen
- Department of Biotechnology, Smt. S. S. Patel Nootan Science & Commerce College, Sankalchand Patel University, Visnagar 384315, Gujarat, India; Department of Biotechnology, Graphic Era (Deemed to be University), Dehradun 248002, Uttarakhand, India; Wolaita Sodo University, PO Box 138, Wolaita, Ethiopia
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Liu L, Hou S, Xu G, Gao J, Mu J, Gao M, He J, Su X, Yang Z, Liu Y, Chen T, Dong Z, Cheng L, Shi Z. Evaluation of osteogenic properties of a novel injectable bone-repair material containing strontium in vitro and in vivo. Front Bioeng Biotechnol 2024; 12:1390337. [PMID: 38707496 PMCID: PMC11069309 DOI: 10.3389/fbioe.2024.1390337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Accepted: 04/11/2024] [Indexed: 05/07/2024] Open
Abstract
Objective: This study aims to develop and evaluate the biocompatibility and osteogenic potential of a novel injectable strontium-doped hydroxyapatite bone-repair material. Methods: The properties of strontium-doped hydroxyapatite/chitosan (Sr-HA/CS), hydroxyapatite/chitosan (HA/CS) and calcium phosphate/chitosan (CAP/CS) were assessed following their preparation via physical cross-linking and a one-step simplified method. Petri dishes containing Escherichia coli and Staphylococcus epidermidis were inoculated with the material for in vitro investigations. The material was also co-cultured with stem cells derived from human exfoliated deciduous teeth (SHEDs), to assess the morphology and proliferation capability of the SHEDs, Calcein-AM staining and the Cell Counting Kit-8 assay were employed. Osteogenic differentiation of SHEDs was determined using alkaline phosphatase (ALP) staining and Alizarin Red staining. For in vivo studies, Sr-HA/CS was implanted into the muscle pouch of mice and in a rat model of ovariectomy-induced femoral defects. Hematoxylin-eosin (HE) staining was performed to determine the extent of bone formation and defect healing. The formation of new bone was determined using Masson's trichrome staining. The osteogenic mechanism of the material was investigated using Tartrate-resistant acid phosphatase (TRAP) staining and immunohistochemical studies. Results: X-ray diffraction (XRD) and energy-dispersive spectroscopy (EDS) showed that strontium was successfully doped into HA. The Sr-HA/CS material can be uniformly squeezed using a syringe with a 13% swelling rate. Sr-HA/CS had a significant antibacterial effect against both E. coli and S. epidermidis (p < 0.05), with a stronger effect observed against E. coli. The Sr-HA/CS significantly improved cell proliferation and cell viability in vitro studies (p < 0.05). Compared to CAP/CS and CS, Sr-HA/CS generated a substantially greater new bone area during osteoinduction experiments (p < 0.05, p < 0.001). The Sr-HA/CS material demonstrated a significantly higher rate of bone repair in the bone defeat studies compared to the CAP/CS and CS materials (p < 0.01). The OCN-positive area and TRAP-positive cells in Sr-HA/CS were greater than those in control groups (p < 0.05). Conclusion: A novel injectable strontium-doped HA bone-repair material with good antibacterial properties, biocompatibility, and osteoinductivity was successfully prepared.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | - Lijia Cheng
- Clinical Medical College, Affiliated Hospital, School of Basic Medical Sciences of Chengdu University, Chengdu, China
| | - Zheng Shi
- Clinical Medical College, Affiliated Hospital, School of Basic Medical Sciences of Chengdu University, Chengdu, China
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Mascarenhas R, Hegde S, Manaktala N. Chitosan nanoparticle applications in dentistry: a sustainable biopolymer. Front Chem 2024; 12:1362482. [PMID: 38660569 PMCID: PMC11039901 DOI: 10.3389/fchem.2024.1362482] [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: 12/28/2023] [Accepted: 03/26/2024] [Indexed: 04/26/2024] Open
Abstract
The epoch of Nano-biomaterials and their application in the field of medicine and dentistry has been long-lived. The application of nanotechnology is extensively used in diagnosis and treatment aspects of oral diseases. The nanomaterials and its structures are being widely involved in the production of medicines and drugs used for the treatment of oral diseases like periodontitis, oral carcinoma, etc. and helps in maintaining the longevity of oral health. Chitosan is a naturally occurring biopolymer derived from chitin which is seen commonly in arthropods. Chitosan nanoparticles are the latest in the trend of nanoparticles used in dentistry and are becoming the most wanted biopolymer for use toward therapeutic interventions. Literature search has also shown that chitosan nanoparticles have anti-tumor effects. This review highlights the various aspects of chitosan nanoparticles and their implications in dentistry.
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Affiliation(s)
- Roma Mascarenhas
- Department of Conservative Dentistry and Endodontics, Manipal College of Dental Sciences Mangalore, Manipal Academy of Higher Education, Manipal, India
| | - Shreya Hegde
- Department of Conservative Dentistry and Endodontics, Manipal College of Dental Sciences Mangalore, Manipal Academy of Higher Education, Manipal, India
| | - Nidhi Manaktala
- Department of Oral Pathology and Microbiology, Manipal College of Dental Sciences Mangalore, Manipal Academy of Higher Education, Manipal, India
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Aleksandrova YI, Shurpik DN, Nazmutdinova VA, Zelenikhin PV, Subakaeva EV, Sokolova EA, Leonteva YO, Mironova AV, Kayumov AR, Petrovskii VS, Potemkin II, Stoikov II. Antibacterial Activity of Various Morphologies of Films Based on Guanidine Derivatives of Pillar[5]arene: Influence of the Nature of One Substitute on Self-assembly. ACS APPLIED MATERIALS & INTERFACES 2024; 16:17163-17181. [PMID: 38530408 DOI: 10.1021/acsami.3c18610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/28/2024]
Abstract
The progress of the pillar[5]arene chemistry allowed us to set out a new concept on application of the supramolecular assemblies to create antimicrobial films with variable surface morphologies and biological activities. Antibacterial films were derived from the substituted pillar[5]arenes containing nine pharmacophoric guanidine fragments and one thioalkyl substituent. Changing the only thioalkyl fragment in the macrocycle structure made it possible to control the biological activity of the resulting antibacterial coating. Pretreatment of the surface with aqueous solution of the amphiphilic pillar[5]arenes reduced the biofilm thickness by 56 ± 10% of Gram-positive Staphylococcus aureus in the case of the pillar[5]arene containing a thiooctyl fragment and by 52 ± 7% for the biofilm of Gram-negative Klebsiella pneumoniae in the case of pillar[5]arene containing a thiooctadecyl fragment. Meanwhile, the cytotoxicity of the synthesized macrocycles was examined at a concentration of 50 μg/mL, which was significantly lower than that of bis-guanidine-based antimicrobial preparations.
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Affiliation(s)
- Yulia I Aleksandrova
- A. M. Butlerov Chemistry Institute, Kazan Federal University, 420008 Kremlevskaya Street, 18, Kazan, Russian Federation
| | - Dmitriy N Shurpik
- A. M. Butlerov Chemistry Institute, Kazan Federal University, 420008 Kremlevskaya Street, 18, Kazan, Russian Federation
| | - Viktoriya A Nazmutdinova
- A. M. Butlerov Chemistry Institute, Kazan Federal University, 420008 Kremlevskaya Street, 18, Kazan, Russian Federation
| | - Pavel V Zelenikhin
- Institute of Fundamental Medicine and Biology, Kazan Federal University, 420008 Kremlevskaya, 18, Kazan, Russian Federation
| | - Evgeniya V Subakaeva
- Institute of Fundamental Medicine and Biology, Kazan Federal University, 420008 Kremlevskaya, 18, Kazan, Russian Federation
| | - Evgeniya A Sokolova
- Institute of Fundamental Medicine and Biology, Kazan Federal University, 420008 Kremlevskaya, 18, Kazan, Russian Federation
| | - Yulia O Leonteva
- Institute of Fundamental Medicine and Biology, Kazan Federal University, 420008 Kremlevskaya, 18, Kazan, Russian Federation
| | - Anna V Mironova
- Institute of Fundamental Medicine and Biology, Kazan Federal University, 420008 Kremlevskaya, 18, Kazan, Russian Federation
| | - Airat R Kayumov
- Institute of Fundamental Medicine and Biology, Kazan Federal University, 420008 Kremlevskaya, 18, Kazan, Russian Federation
| | - Vladislav S Petrovskii
- Physics Department, M. V. Lomonosov Moscow State University, Leninskie Gory 1-2, 119991 Moscow, Russian Federation
- N. N. Semenov Federal Research Center of Chemical Physics of Russian Academy of Sciences, Kosygina 4, 119991 Moscow, Russian Federation
| | - Igor I Potemkin
- Physics Department, M. V. Lomonosov Moscow State University, Leninskie Gory 1-2, 119991 Moscow, Russian Federation
| | - Ivan I Stoikov
- A. M. Butlerov Chemistry Institute, Kazan Federal University, 420008 Kremlevskaya Street, 18, Kazan, Russian Federation
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Guo W, Ding X, Zhang H, Liu Z, Han Y, Wei Q, Okoro OV, Shavandi A, Nie L. Recent Advances of Chitosan-Based Hydrogels for Skin-Wound Dressings. Gels 2024; 10:175. [PMID: 38534593 DOI: 10.3390/gels10030175] [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: 01/29/2024] [Revised: 02/25/2024] [Accepted: 02/28/2024] [Indexed: 03/28/2024] Open
Abstract
The management of wound healing represents a significant clinical challenge due to the complicated processes involved. Chitosan has remarkable properties that effectively prevent certain microorganisms from entering the body and positively influence both red blood cell aggregation and platelet adhesion and aggregation in the bloodstream, resulting in a favorable hemostatic outcome. In recent years, chitosan-based hydrogels have been widely used as wound dressings due to their biodegradability, biocompatibility, safety, non-toxicity, bioadhesiveness, and soft texture resembling the extracellular matrix. This article first summarizes an overview of the main chemical modifications of chitosan for wound dressings and then reviews the desired properties of chitosan-based hydrogel dressings. The applications of chitosan-based hydrogels in wound healing, including burn wounds, surgical wounds, infected wounds, and diabetic wounds are then discussed. Finally, future prospects for chitosan-based hydrogels as wound dressings are discussed. It is anticipated that this review will form a basis for the development of a range of chitosan-based hydrogel dressings for clinical treatment.
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Affiliation(s)
- Wei Guo
- College of Life Sciences, Xinyang Normal University, Xinyang 464000, China
| | - Xiaoyue Ding
- College of Life Sciences, Xinyang Normal University, Xinyang 464000, China
| | - Han Zhang
- College of Life Sciences, Xinyang Normal University, Xinyang 464000, China
| | - Zhenzhong Liu
- Taizhou Key Laboratory of Medical Devices and Advanced Materials, Taizhou Institute of Zhejiang University, Taizhou 318000, China
| | - Yanting Han
- College of Life Sciences, Xinyang Normal University, Xinyang 464000, China
| | - Qianqian Wei
- College of Life Sciences, Xinyang Normal University, Xinyang 464000, China
- 3BIO-BioMatter, École Polytechnique de Bruxelles, Université Libre de Bruxelles (ULB), Avenue F.D. Roosevelt, 50-CP 165/61, 1050 Brussels, Belgium
| | - Oseweuba Valentine Okoro
- 3BIO-BioMatter, École Polytechnique de Bruxelles, Université Libre de Bruxelles (ULB), Avenue F.D. Roosevelt, 50-CP 165/61, 1050 Brussels, Belgium
| | - Amin Shavandi
- 3BIO-BioMatter, École Polytechnique de Bruxelles, Université Libre de Bruxelles (ULB), Avenue F.D. Roosevelt, 50-CP 165/61, 1050 Brussels, Belgium
| | - Lei Nie
- College of Life Sciences, Xinyang Normal University, Xinyang 464000, China
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Najmalden Ghaibullah Ghaibullah Y, Foto E, Ozdemir N, Zilifdar Foto F, Arslan G, Sargin I. Antibacterial potentials of carbon dots immobilized on chitosan and glass surfaces. Int J Biol Macromol 2024; 257:128586. [PMID: 38056753 DOI: 10.1016/j.ijbiomac.2023.128586] [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: 09/26/2023] [Revised: 11/23/2023] [Accepted: 12/01/2023] [Indexed: 12/08/2023]
Abstract
Due to their antibacterial activity, chitosan‑carbon dot composites possess great potential for pharmaceuticals, medicine, and food preservation. Conducting a comprehensive study of the interactions between chitosan, carbon dots, and bacteria is crucial to understanding the processes behind applying these composites. This study aimed to immobilize carbon dots (C-dots) synthesized from Elaeagnus angustifolia fruits on chitosan and glass microbeads' surfaces, to characterize the test materials obtained after synthesis and immobilization, and to investigate their antibacterial potentials. C-dot synthesis was carried out from water extract in an acidic medium with the help of microwave irradiation, and their structural and optical properties were characterized by TEM, XRD, FT-IR, UV-vis, Zeta potential, and fluorescence methods. The surface of the glass microbeads was first activated and functionalized with surface amine groups with a silaning agent. C-dots were immobilized on both glass and chitosan microbeads using a crosslinking agent. Antibacterial potentials of nine different test materials, obtained before or after immobilization, were evaluated both qualitatively (MIC and MBC) and quantitatively (GI50) on E. coli, S. typhimurium, B. subtilis, and S. aureus, with the standard broth microdilution method. FT-IR and SEM-EDX analyses showed that C-dots were immobilized on chitosan (˂1 mm) and glass (˂100 μm) microbead surfaces. C-dots reduced the cell viability by ~25 % on S. typhimurium and B. subtilis (MIC = 25 mg/mL). It was also found that the highest antibacterial effect was recorded for C-dots-glass microbeads, which had a toxic effect of 43 % on S. aureus. In addition, binding C-dots to glass microbeads increased the antibacterial effect selectively in Gram-positive bacteria, while binding to chitosan microbeads was effective in all bacteria. The study showed that the antibacterial potential of C-dots-chitosan microbeads is more effective than C-dots-glass microbeads. C-dots could be used as carbon-based nanomaterials in antibacterial surface preparation once immobilized.
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Affiliation(s)
| | - Egemen Foto
- Department of Biotechnology, Faculty of Science, Necmettin Erbakan University, Konya, Turkey.
| | - Naciye Ozdemir
- Department of Biochemistry, Faculty of Science, Selcuk University, Konya, Turkey
| | - Fatma Zilifdar Foto
- Department of Biochemistry, Faculty of Science, Selcuk University, Konya, Turkey
| | - Gulsin Arslan
- Department of Biochemistry, Faculty of Science, Selcuk University, Konya, Turkey
| | - Idris Sargin
- Department of Biochemistry, Faculty of Science, Selcuk University, Konya, Turkey.
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Zhang C, Zhou X, Wang D, Hao L, Zeng Z, Su L. Hydrogel-Loaded Exosomes: A Promising Therapeutic Strategy for Musculoskeletal Disorders. J Clin Pharm Ther 2023; 2023:1-36. [DOI: 10.1155/2023/1105664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/26/2024]
Abstract
Clinical treatment strategies for musculoskeletal disorders have been a hot research topic. Accumulating evidence suggests that hydrogels loaded with MSC-derived EVs show great potential in improving musculoskeletal injuries. The ideal hydrogels should be capable of promoting the development of new tissues and simulating the characteristics of target tissues, with the properties matching the cell-matrix constituents of autologous tissues. Although there have been numerous reports of hydrogels loaded with MSC-derived EVs for the repair of musculoskeletal injuries, such as intervertebral disc injury, tendinopathy, bone fractures, and cartilage injuries, there are still many hurdles to overcome before the clinical application of modified hydrogels. In this review, we focus on the advantages of the isolation technique of EVs in combination with different types of hydrogels. In this context, the efficacy of hydrogels loaded with MSC-derived EVs in different musculoskeletal injuries is discussed in detail to provide a reference for the future application of hydrogels loaded with MSC-derived EVs in the clinical treatment of musculoskeletal injuries.
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Affiliation(s)
- Chunyu Zhang
- School of Sport Medicine and Rehabilitation, Beijing Sport University, Beijing 100084, China
| | - Xuchang Zhou
- School of Sport Medicine and Rehabilitation, Beijing Sport University, Beijing 100084, China
| | - Dongxue Wang
- School of Sport Medicine and Rehabilitation, Beijing Sport University, Beijing 100084, China
| | - Li Hao
- Shougang Technician College, Nursing School, Beijing 100043, China
- Department of Rehabilitation, Guangdong Provincial Hospital of Traditional Chinese Medicine, Guangzhou 510000, China
| | - Zhipeng Zeng
- School of Sport Medicine and Rehabilitation, Beijing Sport University, Beijing 100084, China
- Shougang Technician College, Nursing School, Beijing 100043, China
- Department of Rehabilitation, Guangdong Provincial Hospital of Traditional Chinese Medicine, Guangzhou 510000, China
| | - Lei Su
- Department of Rehabilitation, Guangdong Provincial Hospital of Traditional Chinese Medicine, Guangzhou 510000, China
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Qu S, Ma X, Yu S, Wang R. Chitosan as a biomaterial for the prevention and treatment of dental caries: antibacterial effect, biomimetic mineralization, and drug delivery. Front Bioeng Biotechnol 2023; 11:1234758. [PMID: 37840659 PMCID: PMC10570529 DOI: 10.3389/fbioe.2023.1234758] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Accepted: 09/20/2023] [Indexed: 10/17/2023] Open
Abstract
Dental caries is a chronic, progressive disease caused by plaque, influenced by multiple factors and can damage the hard tissues of the teeth. In severe cases, it can also lead to the onset and development of other oral diseases, seriously affecting patients' quality of life. The creation of effective biomaterials for the prevention and treatment of dental caries has become one of the relentless goals of many researchers, with a focus on inhibiting the production of cariogenic plaque and retaining beneficial bacteria, guiding and promoting the reconstruction of dental hard tissues, and delaying the progression of existing caries. Chitosan is a natural cationic polymer extracted from the shells of crustaceans and shellfish. Since its discovery, chitosan has shown to have various biological functions such as antibacterial, biomimetic mineralization, drug delivery, etc., making it one of the most promising biopolymers for new caries prevention and materials of prostheses. Therefore, this article provides an overview of the anti-caries applications of chitosan, which mainly covers the basic research on the application of chitosan in caries prevention and treatment since 2010, with a focus on categorizing and summarizing the following characteristics of chitosan as a caries prevention material, including its antibacterial effect, biomimetic mineralization effect and delivery ability of caries prevention drugs and vaccines. It also explores the limitations of current research on chitosan as a caries prevention biomaterial and the difficulties that need to be focused on and overcome in the future to provide theoretical reference for the clinical implementation of chitosan as a caries prevention biomaterial.
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Affiliation(s)
- Shanlin Qu
- Hospital of Stomatology, Jilin University, Changchun, China
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Changchun, China
| | - Xiaolin Ma
- Hospital of Stomatology, Jilin University, Changchun, China
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Changchun, China
| | - Shuo Yu
- Hospital of Stomatology, Jilin University, Changchun, China
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Changchun, China
| | - Rui Wang
- Hospital of Stomatology, Jilin University, Changchun, China
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Changchun, China
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Mu R, Zhang H, Zhang Z, Li X, Ji J, Wang X, Gu Y, Qin X. Trans-cinnamaldehyde loaded chitosan based nanocapsules display antibacterial and antibiofilm effects against cavity-causing Streptococcus mutans. J Oral Microbiol 2023; 15:2243067. [PMID: 37546377 PMCID: PMC10402844 DOI: 10.1080/20002297.2023.2243067] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 07/07/2023] [Accepted: 07/26/2023] [Indexed: 08/08/2023] Open
Abstract
Background Dental caries is a multifactorial disease, and the bacteria such as Streptococcus mutans (S. mutans) is one of the risk factors. The poor effect of existing anti-bacterial is mainly related to drug resistance, the short time of drug action, and biofilm formation. Methods To address this concern, we report here on the cinnamaldehyde (CA) loaded chitosan (CS) nanocapsules (CA@CS NC) sustained release CA for antibacterial treatment. The size, ζ-potential, and morphology were characterized. The antibacterial activities in vitro were studied by growth curve assay, pH drop assay, biofilm assay, and qRT-PCR In addition, cytotoxicity assay, organ index, body weight, and histopathology results were analyzed to evaluate the safety and biocompatibility in a rat model. Results CA@CS NC can adsorb the bacterial membrane due to electronic interaction, releasing CA slowly for a long time. At the same time, it has reliable antibacterial activity against S. mutans and downregulated the expression levels of QS, virulence, biofilm, and adhesion genes. In addition, it greatly reduced the cytotoxicity of CA and significantly inhibited dental caries in rats without obvious toxicity. Conclusion Our results showed that CA@CS NC had antibacterial and antibiofilm effects on S. mutans and inhibit dental caries. Besides, it showed stronger efficacy and less toxicity, and was able to adsorb bacteria releasing CA slowly, providing a new nanomaterial solution for the treatment of dental caries.
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Affiliation(s)
- Ran Mu
- School of Biological Engineering, Zhuhai Campus of Zunyi Medical University, Guangdong, China
- Department of Clinical Medicine, The Fifth Clinical Institute, Zhuhai Campus of Zunyi Medical University, Guangdong, China
| | - Hanyi Zhang
- School of Biological Engineering, Zhuhai Campus of Zunyi Medical University, Guangdong, China
| | - Zhiyuan Zhang
- School of Biological Engineering, Zhuhai Campus of Zunyi Medical University, Guangdong, China
| | - Xinyue Li
- School of Biological Engineering, Zhuhai Campus of Zunyi Medical University, Guangdong, China
| | - Jiaxuan Ji
- Department of Clinical Medicine, The Fifth Clinical Institute, Zhuhai Campus of Zunyi Medical University, Guangdong, China
| | - Xinyue Wang
- Department of Clinical Medicine, The Fifth Clinical Institute, Zhuhai Campus of Zunyi Medical University, Guangdong, China
| | - Yu Gu
- School of Stomatology, Zhuhai Campus of Zunyi Medical University, Guangdong, China
| | - Xiaofei Qin
- School of Biological Engineering, Zhuhai Campus of Zunyi Medical University, Guangdong, China
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12
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Abdelhamid HN. An introductory review on advanced multifunctional materials. Heliyon 2023; 9:e18060. [PMID: 37496901 PMCID: PMC10366438 DOI: 10.1016/j.heliyon.2023.e18060] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 07/04/2023] [Accepted: 07/05/2023] [Indexed: 07/28/2023] Open
Abstract
This review summarizes the applications of some of the advanced materials. It included the synthesis of several nanoparticles such as metal oxide nanoparticles (e.g., Fe3O4, ZnO, ZrOSO4, MoO3-x, CuO, AgFeO2, Co3O4, CeO2, SiO2, and CuFeO2); metal hydroxide nanosheets (e.g., Zn5(OH)8(NO3)2·2H2O, Zn(OH)(NO3)·H2O, and Zn5(OH)8(NO3)2); metallic nanoparticles (Ag, Au, Pd, and Pt); carbon-based nanomaterials (graphene, graphene oxide (GO), graphitic carbon nitride (g-C3N4), and carbon dots (CDs)); biopolymers (cellulose, nanocellulose, TEMPO-oxidized cellulose nanofibers (TOCNFs), and chitosan); organic polymers (e.g. covalent-organic frameworks (COFs)); and hybrid materials (e.g. metal-organic frameworks (MOFs)). Most of these materials were applied in several fields such as environmental-based technologies (e.g., water remediation, air purification, gas storage), energy (production of hydrogen, dimethyl ether, solar cells, and supercapacitors), and biomedical sectors (sensing, biosensing, cancer therapy, and drug delivery). They can be used as efficient adsorbents and catalysts to remove emerging contaminants e.g., inorganic (i.e., heavy metals) and organic (e.g., dyes, antibiotics, pesticides, and oils in water via adsorption. They can be also used as catalysts for catalytic degradation reactions such as redox reactions of pollutants. They can be used as filters for air purification by capturing carbon dioxide (CO2) and volatile organic compounds (VOCs). They can be used for hydrogen production via water splitting, alcohol oxidation, and hydrolysis of NaBH4. Nanomedicine for some of these materials was also included being an effective agent as an antibacterial, nanocarrier for drug delivery, and probe for biosensing.
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Affiliation(s)
- Hani Nasser Abdelhamid
- Advanced Multifunctional Materials Laboratory, Chemistry Department-Faculty of Science, Assiut University, Egypt
- Nanotechnology Research Centre (NTRC), The British University in Egypt (BUE), Suez Desert Road, El-Sherouk City, Cairo 11837, Egypt
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13
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A comprehensive review of chitosan applications in paper science and technologies. Carbohydr Polym 2023; 309:120665. [PMID: 36906368 DOI: 10.1016/j.carbpol.2023.120665] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 01/31/2023] [Accepted: 02/01/2023] [Indexed: 02/05/2023]
Abstract
Using environmentally friendly biomaterials in different aspects of human life has been considered extensively. In this respect, different biomaterials have been identified and different applications have been found for them. Currently, chitosan, the well-known derivative of the second most abundant polysaccharide in the nature (i.e., chitin), has been receiving a lot of attention. This unique biomaterial can be defined as a renewable, high cationic charge density, antibacterial, biodegradable, biocompatible, non-toxic biomaterial with high compatibility with cellulose structure, where it can be used in different applications. This review takes a deep and comprehensive look at chitosan and its derivative applications in different aspects of papermaking.
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14
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Huang KX, Zhou LY, Chen JQ, Peng N, Chen HX, Gu HZ, Zou T. Applications and perspectives of quaternized cellulose, chitin and chitosan: A review. Int J Biol Macromol 2023:124990. [PMID: 37211070 DOI: 10.1016/j.ijbiomac.2023.124990] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 05/13/2023] [Accepted: 05/18/2023] [Indexed: 05/23/2023]
Abstract
Recently, increasing attention has been paid to natural polysaccharides for their low cost, biocompatibility and biodegradability. Quaternization is a modification method to improve the solubility and antibacterial ability of natural polysaccharides. Water-soluble derivatives of cellulose, chitin and chitosan offer the prospect of diverse applications in a wide range of fields, such as antibacterial products, drug delivery, wound healing, sewage treatment and ion exchange membranes. By combining the inherent properties of cellulose, chitin and chitosan with the inherent properties of the quaternary ammonium groups, new products with multiple functions and properties can be obtained. In this review, we summarized the research progress in the applications of quaternized cellulose, chitin and chitosan in recent five years. Moreover, ubiquitous challenges and personal perspectives on the further development of this promising field are also discussed.
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Affiliation(s)
- Ke-Xin Huang
- State Key Laboratory of Refractories and Metallurgy, Key Laboratory of Coal Conversion & New Carbon Materials of Hubei Province, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, PR China
| | - Ling-Yue Zhou
- State Key Laboratory of Refractories and Metallurgy, Key Laboratory of Coal Conversion & New Carbon Materials of Hubei Province, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, PR China
| | - Jia-Qi Chen
- State Key Laboratory of Refractories and Metallurgy, Key Laboratory of Coal Conversion & New Carbon Materials of Hubei Province, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, PR China
| | - Na Peng
- State Key Laboratory of Refractories and Metallurgy, Key Laboratory of Coal Conversion & New Carbon Materials of Hubei Province, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, PR China
| | - Hong-Xiang Chen
- State Key Laboratory of Refractories and Metallurgy, Key Laboratory of Coal Conversion & New Carbon Materials of Hubei Province, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, PR China
| | - Hua-Zhi Gu
- State Key Laboratory of Refractories and Metallurgy, Key Laboratory of Coal Conversion & New Carbon Materials of Hubei Province, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, PR China
| | - Tao Zou
- State Key Laboratory of Refractories and Metallurgy, Key Laboratory of Coal Conversion & New Carbon Materials of Hubei Province, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, PR China.
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15
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Dubashynskaya NV, Petrova VA, Sgibnev AV, Elokhovskiy VY, Cherkasova YI, Skorik YA. Carrageenan/Chitin Nanowhiskers Cryogels for Vaginal Delivery of Metronidazole. Polymers (Basel) 2023; 15:polym15102362. [PMID: 37242937 DOI: 10.3390/polym15102362] [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: 03/20/2023] [Revised: 04/27/2023] [Accepted: 05/15/2023] [Indexed: 05/28/2023] Open
Abstract
The development of polymeric carriers based on partially deacetylated chitin nanowhiskers (CNWs) and anionic sulfated polysaccharides is an attractive strategy for improved vaginal delivery with modified drug release profiles. This study focuses on the development of metronidazole (MET)-containing cryogels based on carrageenan (CRG) and CNWs. The desired cryogels were obtained by electrostatic interactions between the amino groups of CNWs and the sulfate groups of CRG and by the formation of additional hydrogen bonds, as well as by entanglement of carrageenan macrochains. It was shown that the introduction of 5% CNWs significantly increased the strength of the initial hydrogel and ensured the formation of a homogeneous cryogel structure, resulting in sustained MET release within 24 h. At the same time, when the CNW content was increased to 10%, the system collapsed with the formation of discrete cryogels, demonstrating MET release within 12 h. The mechanism of prolonged drug release was mediated by polymer swelling and chain relaxation in the polymer matrix and correlated well with the Korsmeyer-Peppas and Peppas-Sahlin models. In vitro tests showed that the developed cryogels had a prolonged (24 h) antiprotozoal effect against Trichomonas, including MET-resistant strains. Thus, the new cryogels with MET may be promising dosage forms for the treatment of vaginal infections.
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Affiliation(s)
- Natallia V Dubashynskaya
- Institute of Macromolecular Compounds, Russian Academy of Sciences, Bolshoy pr. V.O. 31, St. Petersburg 199004, Russia
| | - Valentina A Petrova
- Institute of Macromolecular Compounds, Russian Academy of Sciences, Bolshoy pr. V.O. 31, St. Petersburg 199004, Russia
| | - Andrey V Sgibnev
- Institute for Cellular and Intracellular Symbiosis, Ural Branch of the Russian Academy of Sciences, Pionerskaya st. 11, Orenburg 460000, Russia
| | - Vladimir Y Elokhovskiy
- Institute of Macromolecular Compounds, Russian Academy of Sciences, Bolshoy pr. V.O. 31, St. Petersburg 199004, Russia
| | - Yuliya I Cherkasova
- Institute for Cellular and Intracellular Symbiosis, Ural Branch of the Russian Academy of Sciences, Pionerskaya st. 11, Orenburg 460000, Russia
| | - Yury A Skorik
- Institute of Macromolecular Compounds, Russian Academy of Sciences, Bolshoy pr. V.O. 31, St. Petersburg 199004, Russia
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16
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Smola-Dmochowska A, Lewicka K, Macyk A, Rychter P, Pamuła E, Dobrzyński P. Biodegradable Polymers and Polymer Composites with Antibacterial Properties. Int J Mol Sci 2023; 24:ijms24087473. [PMID: 37108637 PMCID: PMC10138923 DOI: 10.3390/ijms24087473] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 04/05/2023] [Accepted: 04/07/2023] [Indexed: 04/29/2023] Open
Abstract
Antibiotic resistance is one of the greatest threats to global health and food security today. It becomes increasingly difficult to treat infectious disorders because antibiotics, even the newest ones, are becoming less and less effective. One of the ways taken in the Global Plan of Action announced at the World Health Assembly in May 2015 is to ensure the prevention and treatment of infectious diseases. In order to do so, attempts are made to develop new antimicrobial therapeutics, including biomaterials with antibacterial activity, such as polycationic polymers, polypeptides, and polymeric systems, to provide non-antibiotic therapeutic agents, such as selected biologically active nanoparticles and chemical compounds. Another key issue is preventing food from contamination by developing antibacterial packaging materials, particularly based on degradable polymers and biocomposites. This review, in a cross-sectional way, describes the most significant research activities conducted in recent years in the field of the development of polymeric materials and polymer composites with antibacterial properties. We particularly focus on natural polymers, i.e., polysaccharides and polypeptides, which present a mechanism for combating many highly pathogenic microorganisms. We also attempt to use this knowledge to obtain synthetic polymers with similar antibacterial activity.
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Affiliation(s)
- Anna Smola-Dmochowska
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences, 34 Marii Curie-Skłodowskiej Str., 41-819 Zabrze, Poland
| | - Kamila Lewicka
- Faculty of Science and Technology, Jan Dlugosz University in Czestochowa, 13/15 Armii Krajowej Av., 42-200 Czestochowa, Poland
| | - Alicja Macyk
- Department of Biomaterials and Composites, Faculty of Materials Science and Ceramics, AGH University of Science and Technology, 30 Mickiewicza Av., 30-059 Kraków, Poland
| | - Piotr Rychter
- Faculty of Science and Technology, Jan Dlugosz University in Czestochowa, 13/15 Armii Krajowej Av., 42-200 Czestochowa, Poland
| | - Elżbieta Pamuła
- Department of Biomaterials and Composites, Faculty of Materials Science and Ceramics, AGH University of Science and Technology, 30 Mickiewicza Av., 30-059 Kraków, Poland
| | - Piotr Dobrzyński
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences, 34 Marii Curie-Skłodowskiej Str., 41-819 Zabrze, Poland
- Faculty of Science and Technology, Jan Dlugosz University in Czestochowa, 13/15 Armii Krajowej Av., 42-200 Czestochowa, Poland
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17
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Espinales C, Romero-Peña M, Calderón G, Vergara K, Cáceres PJ, Castillo P. Collagen, protein hydrolysates and chitin from by-products of fish and shellfish: An overview. Heliyon 2023; 9:e14937. [PMID: 37025883 PMCID: PMC10070153 DOI: 10.1016/j.heliyon.2023.e14937] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 03/21/2023] [Accepted: 03/22/2023] [Indexed: 03/31/2023] Open
Abstract
Waste processing from fish and seafood manufacturers represents a sustainable option to prevent environmental contamination, and their byproducts offer different benefits. Transforming fish and seafood waste into valuable compounds that present nutritional and functional properties compared to mammal products becomes a new alternative in Food Industry. In this review, collagen, protein hydrolysates, and chitin from fish and seafood byproducts were selected to explain their chemical characteristics, production methodologies, and possible future perspectives. These three byproducts are gaining a significant commercial market, impacting the food, cosmetic, pharmaceutical, agriculture, plastic, and biomedical industries. For this reason, the extraction methodologies, advantages, and disadvantages are discussed in this review.
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18
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Tampieri A, Kon E, Sandri M, Campodoni E, Dapporto M, Sprio S. Marine-Inspired Approaches as a Smart Tool to Face Osteochondral Regeneration. Mar Drugs 2023; 21:md21040212. [PMID: 37103351 PMCID: PMC10145639 DOI: 10.3390/md21040212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 03/23/2023] [Accepted: 03/24/2023] [Indexed: 03/30/2023] Open
Abstract
The degeneration of osteochondral tissue represents one of the major causes of disability in modern society and it is expected to fuel the demand for new solutions to repair and regenerate the damaged articular joints. In particular, osteoarthritis (OA) is the most common complication in articular diseases and a leading cause of chronic disability affecting a steady increasing number of people. The regeneration of osteochondral (OC) defects is one of the most challenging tasks in orthopedics since this anatomical region is composed of different tissues, characterized by antithetic features and functionalities, in tight connection to work together as a joint. The altered structural and mechanical joint environment impairs the natural tissue metabolism, thus making OC regeneration even more challenging. In this scenario, marine-derived ingredients elicit ever-increased interest for biomedical applications as a result of their outstanding mechanical and multiple biologic properties. The review highlights the possibility to exploit such unique features using a combination of bio-inspired synthesis process and 3D manufacturing technologies, relevant to generate compositionally and structurally graded hybrid constructs reproducing the smart architecture and biomechanical functions of natural OC regions.
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19
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Lan J, Chen J, Zhu R, Lin C, Ma X, Cao S. Antibacterial and antiviral chitosan oligosaccharide modified cellulosic fibers with durability against washing and long-acting activity. Int J Biol Macromol 2023; 231:123587. [PMID: 36758766 PMCID: PMC9907796 DOI: 10.1016/j.ijbiomac.2023.123587] [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: 09/21/2022] [Revised: 01/15/2023] [Accepted: 02/05/2023] [Indexed: 02/11/2023]
Abstract
The worldwide outbreak of SARS-CoV-2 has attracted extensive attention to antibacterial and antivirus materials. Cellulose is the most potential candidate for the preparation of green, environmentally friendly antibacterial and antiviral materials. Herein, modified cellulosic fibers with sustained antibacterial and antiviral performance was prepared by introducing chitosan oligosaccharide onto the fibers. The two-step method is proved to be more effective than the one-step method for enhanced chitosan oligosaccharide loadings and antibacterial and antiviral activity. In this instance, the modified fibers with 61.77 mg/g chitosan oligosaccharide loadings can inhibit Staphylococcus aureus and Escherichia coli by 100 % after contacting with bacteria for 12 h and reduce the bacteriophage MS2 by 99.19 % after 1 h of contact. More importantly, the modified fibers have washing durable antibacterial and antiviral activity; the modified fibers have 100 % antibacterial and 98.38 % antiviral activity after 20 washing cycles. Benefiting from the excellent performance of the individual fibers, the paper prepared from the modified fibers show great antibacterial (100 %) and antiviral performance (99.01 %) and comparable mechanical strength. The modified fibers have potential applications in the manufacture of protective clothing and protective hygiene products.
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Affiliation(s)
| | | | | | | | - Xiaojuan Ma
- College of Materials Engineering, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China.
| | - Shilin Cao
- College of Materials Engineering, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China.
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20
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Cellulose-Chitosan Functional Biocomposites. Polymers (Basel) 2023; 15:polym15020425. [PMID: 36679314 PMCID: PMC9863338 DOI: 10.3390/polym15020425] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 01/06/2023] [Accepted: 01/08/2023] [Indexed: 01/15/2023] Open
Abstract
Here, we present a detailed review of recent research and achievements in the field of combining two extremely important polysaccharides; namely, cellulose and chitosan. The most important properties of the two polysaccharides are outlined, giving rise to the interest in their combination. We present various structures and forms of composite materials that have been developed recently. Thus, aerogels, hydrogels, films, foams, membranes, fibres, and nanofibres are discussed, alongside the main techniques for their fabrication, such as coextrusion, co-casting, electrospinning, coating, and adsorption. It is shown that the combination of bacterial cellulose with chitosan has recently gained increasing attention. This is particularly attractive, because both are representative of a biopolymer that is biodegradable and friendly to humans and the environment. The rising standard of living and growing environmental awareness are the driving forces for the development of these materials. In this review, we have shown that the field of combining these two extraordinary polysaccharides is an inexhaustible source of ideas and opportunities for the development of advanced functional materials.
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21
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Guamba E, Vispo NS, Whitehead DC, Singh AK, Santos-Oliveira R, Niebieskikwiat D, Zamora-Ledezma C, Alexis F. Cellulose-based hydrogels towards an antibacterial wound dressing. Biomater Sci 2022; 11:3461-3468. [PMID: 36475559 DOI: 10.1039/d2bm01369j] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Hydrogels are promising candidates for wound healing bandages because they can mimic the native skin microenvironment. Additionally, there is increasing growth in the use of naturally derived materials and plant-based biomaterials to produce healthcare products with healing purposes because of their biocompatibility and biodegradation properties. In this study, cellulose extracted from biodiverse sources in Ecuador was used as the raw material for the fabrication of hydrogels with enhanced antifouling properties. Fourier-transform infrared (FTIR) spectroscopy, X-ray diffraction (XRD), and scanning electron microscopy (SEM) were used to characterize the cellulose and hydrogels. In vitro and ex vivo tests were performed to evaluate the antimicrobial activity of hydrogels against Gram-negative bacteria as a model. Finally, the hydrogel synthesized with cellulose extracted from pitahaya showed improved antibacterial activity when applied over pigskin as a proof of concept for wound dressing. Therefore, the present results suggest that cellulose-based hydrogels are good candidates for application as wound dressings.
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Affiliation(s)
- Esteban Guamba
- School of Biological Sciences and Engineering, Yachay Tech University, Urcuquí, Ecuador
| | - Nelson Santiago Vispo
- School of Biological Sciences and Engineering, Yachay Tech University, Urcuquí, Ecuador
| | - Daniel C Whitehead
- Department of Chemistry, Clemson University, Clemson, South Carolina, 29634, USA
| | - Ajaya Kumar Singh
- Department of Chemistry, Government VYT PG Autonomous College Durg, Chhattisgarh-491001, India.,School of Chemistry & Physics, University of KwaZulu-Natal, Durban 4000, South Africa
| | - Ralph Santos-Oliveira
- Brazilian Nuclear Energy Commission, Nuclear Engineering Institute, Laboratory of Nanoradiopharmacy and Synthesis of New Radiopharmaceuticals, Rio de Janeiro, Brazil.,Zona Oeste State University, Laboratory of Radiopharmacy and Nanoradiopharmaceuticals, Rio de Janeiro, Brazil
| | - Dario Niebieskikwiat
- Colegio de Ciencias e Ingenierías, Universidad San Francisco de Quito, Departamento de Ingeniería Química, Quito, 170901, Ecuador.
| | - Camilo Zamora-Ledezma
- Green and Innovative Technologies for Food, Environment and Bioengineering Research Group, Faculty of Pharmacy and Nutrition, UCAM - Universidad Católica de Murcia, Avda. Los Jerónimos 135, Guadalupe, 30107, Murcia, Spain
| | - Frank Alexis
- Colegio de Ciencias e Ingenierías, Universidad San Francisco de Quito, Departamento de Ingeniería Química, Quito, 170901, Ecuador.
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22
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Jesser E, Castillo L, Alonso Y, Urrutia R, Murray A, Domini C, Werdin-González J. Development of active biodegradable films based on chitosan and essential oil to prevent infestation of Plodia interpunctella (Lepidoptera: Pyralidae). Food Packag Shelf Life 2022. [DOI: 10.1016/j.fpsl.2022.100999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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23
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Low cost production of bacterial cellulose through statistical optimization and developing its composites for multipurpose applications. Process Biochem 2022. [DOI: 10.1016/j.procbio.2022.12.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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24
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Alli YA, Ejeromedoghene O, Oladipo A, Adewuyi S, Amolegbe SA, Anuar H, Thomas S. Compressed Hydrogen-Induced Synthesis of Quaternary Trimethyl Chitosan-Silver Nanoparticles with Dual Antibacterial and Antifungal Activities. ACS APPLIED BIO MATERIALS 2022; 5:5240-5254. [PMID: 36270024 DOI: 10.1021/acsabm.2c00670] [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: 01/25/2023]
Abstract
Quaternary Trimethyl Chitosan (QTMC) and QTMC-Silver Nanoparticles (QTMC-AgNPs) have been synthesized, characterized, and tested as antibacterial agents against Staphylococcus aureus, Escherichia coli, and two plant fungi (Sclerotium rolfsil and Fusarium oxysporum). The as-prepared water-soluble QTMC was in situ reacted with silver nitrate in the presence of clean compressed hydrogen gas (3 bar) as a reducing agent to produce QTMC-AgNPs. UV-vis, ATR-FTIR, HR-TEM/SEM, XPS, DLS, XRD, and TGA/DTG were employed to assess the optical response, morphology/size, surface chemistry, particle size distribution, crystal nature, and thermal stability of the synthesized QTMC-AgNPs, respectively. The as-prepared QTMC-AgNPs were quasi-spherical in shape with an average particle size of 12.5 nm, as determined by ImageJ software utilizing HR-TEM images and further validated by DLS analysis. The development of crystalline nanoparticles was confirmed by the presence of distinct and consistent lattice fringes with an approximate interplanar d-spacing of 2.04 nm in QTMC-AgNPs. The QTMC-AgNPs exhibited significant antibacterial activity with a clear zone of inhibition of 30 mm and 26 mm around the disks against E. coli and S. aureus, respectively. In addition, QTMC-AgNPs showed highly efficient antifungal activity with 100% and 76.67% growth inhibition against two plant pathogens, S. rolfsii and F. oxysporum, respectively, whereas QTMC revealed no impact. Overall, QTMC-AgNPs showed a promising therapeutic potential and,thus, can be considered for drug design rationale.
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Affiliation(s)
- Yakubu Adekunle Alli
- LCC-CNRS, Université de Toulouse, CNRS, UPS, 205 Route de Narbonne, BP44099, 31077 CEDEX 4, Toulouse, France.,Department of Chemical Sciences, Faculty of Science and Computing, Ahman Pategi University, Patigi-Kpada Road, Patigi, Kwara State243105, Nigeria.,School of Energy Materials and International and Inter University Centre for Nanoscience and Nanotechnology (IIUCNN), Mahatma Gandi University, Kottayam, Kerala686560, India
| | - Onome Ejeromedoghene
- School of Chemistry and Chemical Engineering, Southeast University, 211189Nanjing, Jiangsu Province, P. R. China
| | - Abiodun Oladipo
- Co-Innovation Center for Sustainable Forestry in Southern China, College of Forestry, Nanjing Forestry University, 210037Nanjing, Jiangsu, China
| | - Sheriff Adewuyi
- Department of Chemistry, Federal University of Agriculture Abeokuta, Abeokuta, Ogun State2240, Nigeria
| | - Saliu Alao Amolegbe
- Department of Chemistry, Federal University of Agriculture Abeokuta, Abeokuta, Ogun State2240, Nigeria
| | - Hazleen Anuar
- Department of Manufacturing and Materials Engineering, Kulliyyah of Engineering, International Islamic University Malaysia, Jalan Gombak, 53100Kuala Lumpur, Malaysia
| | - Sabu Thomas
- School of Energy Materials and International and Inter University Centre for Nanoscience and Nanotechnology (IIUCNN), Mahatma Gandi University, Kottayam, Kerala686560, India
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25
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Chitosan-based therapeutic systems and their potentials in treatment of oral diseases. Int J Biol Macromol 2022; 222:3178-3194. [DOI: 10.1016/j.ijbiomac.2022.10.090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 09/09/2022] [Accepted: 10/10/2022] [Indexed: 11/05/2022]
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26
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Alturki AM. Facile synthesis route for chitosan nanoparticles doped with various concentrations of the biosynthesized copper oxide nanoparticles: Electrical conductivity and antibacterial properties. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133108] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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27
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Sutharsan J, Zhao J. Physicochemical and Biological Properties of Chitosan Based Edible Films. FOOD REVIEWS INTERNATIONAL 2022. [DOI: 10.1080/87559129.2022.2100416] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Affiliation(s)
- Jenani Sutharsan
- Food and Health Cluster, School of Chemical Engineering, UNSW, Sydney, NSW, Australia
| | - Jian Zhao
- Food and Health Cluster, School of Chemical Engineering, UNSW, Sydney, NSW, Australia
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Abdelhamid HN, Mathew AP. Cellulose-Based Nanomaterials Advance Biomedicine: A Review. Int J Mol Sci 2022; 23:5405. [PMID: 35628218 PMCID: PMC9140895 DOI: 10.3390/ijms23105405] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 04/21/2022] [Accepted: 05/10/2022] [Indexed: 02/04/2023] Open
Abstract
There are various biomaterials, but none fulfills all requirements. Cellulose biopolymers have advanced biomedicine to satisfy high market demand and circumvent many ecological concerns. This review aims to present an overview of cellulose knowledge and technical biomedical applications such as antibacterial agents, antifouling, wound healing, drug delivery, tissue engineering, and bone regeneration. It includes an extensive bibliography of recent research findings from fundamental and applied investigations. Cellulose-based materials are tailorable to obtain suitable chemical, mechanical, and physical properties required for biomedical applications. The chemical structure of cellulose allows modifications and simple conjugation with several materials, including nanoparticles, without tedious efforts. They render the applications cheap, biocompatible, biodegradable, and easy to shape and process.
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Affiliation(s)
- Hani Nasser Abdelhamid
- Department of Materials and Environmental Chemistry, Stockholm University, SE-10691 Stockholm, Sweden;
- Advanced Multifunctional Materials Laboratory, Department of Chemistry, Faculty of Science, Assiut University, Assiut 71515, Egypt
| | - Aji P. Mathew
- Department of Materials and Environmental Chemistry, Stockholm University, SE-10691 Stockholm, Sweden;
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Hadj Saadoun J, Sogari G, Bernini V, Camorali C, Rossi F, Neviani E, Lazzi C. A critical review of intrinsic and extrinsic antimicrobial properties of insects. Trends Food Sci Technol 2022. [DOI: 10.1016/j.tifs.2022.02.018] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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30
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Symmetry between Structure–Antibacterial Effect of Polymers Functionalized with Phosphonium Salts. Symmetry (Basel) 2022. [DOI: 10.3390/sym14030572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
In actual context, when the terms of biomass and bioenergy are extensively used, it becomes clear that the comparative study of some biopolymers, such as cellulose and chitosan, can offer a large usage range, based on the scientific progress obtained in the biomaterials field. Starting from the structural similarity of these two polymers, we synthesized composite materials by grafting on their surface biocide substances (phosphonium salts). After testing the biocidal effect, we can conclude that the antibacterial effect depends on the ratio of support to phosphonium salt, influenced by the interaction between the cationic component of the biocides and by the anionic component of the bacterial cellular membrane. It was also observed that for the materials obtained by cellulose functionalization with tri-n-butyl-hexadecyl phosphonium bromide, the bacterial effect on E. coli strain was much better when chitosan was used as the support material.
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Nemeş NS, Ardean C, Davidescu CM, Negrea A, Ciopec M, Duţeanu N, Negrea P, Paul C, Duda-Seiman D, Muntean D. Antimicrobial Activity of Cellulose Based Materials. Polymers (Basel) 2022; 14:polym14040735. [PMID: 35215647 PMCID: PMC8875754 DOI: 10.3390/polym14040735] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 02/11/2022] [Accepted: 02/13/2022] [Indexed: 02/01/2023] Open
Abstract
Biomaterials available for a wide range of applications are generally polysaccharides. They may have inherent antimicrobial activity in the case of chitosan. However, in order to have specific functionalities, bioactive compounds must be immobilized or incorporated into the polymer matrix, as in the case of cellulose. We studied materials obtained by functionalizing cellulose with quaternary ammonium salts: dodecyl-trimethyl-ammonium bromide (DDTMABr), tetradecyl-trimethyl-ammonium bromide (TDTMABr), hexadecyl-trimethyl ammonium chloride (HDTMACl), some phosphonium salts: dodecyl-triphenyl phosphonium bromide (DDTPPBr) and tri n-butyl-hexadecyl phosphonium bromide (HDTBPBr) and extractants containing sulphur: 2-mercaptobenzothiazole (MBT) and thiourea (THIO). Cel-TDTMABr material, whose alkyl substituent chain conformation was shortest, showed the best antimicrobial activity for which, even at the lowest functionalization ratio, 1:0.012 (w:w), the microbial inhibition rate is 100% for Staphylococcus aureus, Escherichia coli, and Candida albicans. Among the materials obtained by phosphonium salt functionalization, Cel-DDTPPBr showed a significant bactericidal effect compared to Cel-HDTBPBr. For instance, to the same functionalization ratio = 1:0.1, the inhibition microbial growth rate is maximum in the case of Cel-DDTPPBr for Staphylococcus aureus, Escherichia coli, and Candida albicans. At the same time, for the Cel-HDTBPBr material, the total bactericidal effect is not reached even at the functionalization ratio 1:0.5. This behavior is based on the hydrophobicity difference between the two extractants, DDTPPBr and HDTBPBr. Cel-MBT material has a maximum antimicrobial effect upon Staphylococcus aureus, Escherichia coli, and Candida albicans at functionalized ratio = 1:0.5. Cel-THIO material showed a bacteriostatic and fungistatic effect, the inhibition of microbial growth being a maximum of 76% for Staphylococcus aureus at the functionalized ratio = 1:0.5. From this perspective, biomaterials obtained by SIR impregnation of cellulose can be considered a benefit to be used to obtain biomass-derived materials having superior antimicrobial properties versus the non-functional support.
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Affiliation(s)
- Nicoleta Sorina Nemeş
- Renewable Energy Research Institute-ICER, Politehnica University of Timisoara, 138 Gavril Musicescu Street, 300501 Timisoara, Romania;
| | - Cristina Ardean
- Faculty of Industrial Chemistry and Environmental Engineering, Politehnica University of Timişoara, 2 Piaţa Victoriei, 300006 Timisoara, Romania; (C.A.); (A.N.); (M.C.); (P.N.); (C.P.)
| | - Corneliu Mircea Davidescu
- Renewable Energy Research Institute-ICER, Politehnica University of Timisoara, 138 Gavril Musicescu Street, 300501 Timisoara, Romania;
- Correspondence: (C.M.D.); (N.D.)
| | - Adina Negrea
- Faculty of Industrial Chemistry and Environmental Engineering, Politehnica University of Timişoara, 2 Piaţa Victoriei, 300006 Timisoara, Romania; (C.A.); (A.N.); (M.C.); (P.N.); (C.P.)
| | - Mihaela Ciopec
- Faculty of Industrial Chemistry and Environmental Engineering, Politehnica University of Timişoara, 2 Piaţa Victoriei, 300006 Timisoara, Romania; (C.A.); (A.N.); (M.C.); (P.N.); (C.P.)
| | - Narcis Duţeanu
- Faculty of Industrial Chemistry and Environmental Engineering, Politehnica University of Timişoara, 2 Piaţa Victoriei, 300006 Timisoara, Romania; (C.A.); (A.N.); (M.C.); (P.N.); (C.P.)
- Correspondence: (C.M.D.); (N.D.)
| | - Petru Negrea
- Faculty of Industrial Chemistry and Environmental Engineering, Politehnica University of Timişoara, 2 Piaţa Victoriei, 300006 Timisoara, Romania; (C.A.); (A.N.); (M.C.); (P.N.); (C.P.)
| | - Cristina Paul
- Faculty of Industrial Chemistry and Environmental Engineering, Politehnica University of Timişoara, 2 Piaţa Victoriei, 300006 Timisoara, Romania; (C.A.); (A.N.); (M.C.); (P.N.); (C.P.)
| | - Daniel Duda-Seiman
- Department of Cardiology, “Victor Babeş” University of Medicine and Pharmacy Timişoara, 2 Piata Eftimie Murgu, 300041 Timisoara, Romania;
| | - Delia Muntean
- Multidisciplinary Research Center on Antimicrobial Resistance, Department of Microbiology, “Victor Babeş” University of Medicine and Pharmacy, 2 Eftimie Murgu Square, 300041 Timisoara, Romania;
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Yu L, Li K, Zhang J, Jin H, Saleem A, Song Q, Jia Q, Li P. Antimicrobial Peptides and Macromolecules for Combating Microbial Infections: From Agents to Interfaces. ACS APPLIED BIO MATERIALS 2022; 5:366-393. [PMID: 35072444 DOI: 10.1021/acsabm.1c01132] [Citation(s) in RCA: 43] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Bacterial resistance caused by the overuse of antibiotics and the shelter of biofilms has evolved into a global health crisis, which drives researchers to continuously explore antimicrobial molecules and strategies to fight against drug-resistant bacteria and biofilm-associated infections. Cationic antimicrobial peptides (AMPs) are considered to be a category of potential alternative for antibiotics owing to their excellent bactericidal potency and lesser likelihood of inducing drug resistance through their distinctive antimicrobial mechanisms. In this review, the hitherto reported plentiful action modes of AMPs are systematically classified into 15 types and three categories (membrane destructive, nondestructive membrane disturbance, and intracellular targeting mechanisms). Besides natural AMPs, cationic polypeptides, synthetic polymers, and biopolymers enable to achieve tunable antimicrobial properties by optimizing their structures. Subsequently, the applications of these cationic antimicrobial agents at the biointerface as contact-active surface coatings and multifunctional wound dressings are also emphasized here. At last, we provide our perspectives on the development of clinically significant cationic antimicrobials and related challenges in the translation of these materials.
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Affiliation(s)
- Luofeng Yu
- Frontiers Science Center for Flexible Electronics (FSCFE), Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials & Engineering (IBME), Northwestern Polytechnical University, 127 West Youyi Road, Xi'an 710072, China
| | - Kunpeng Li
- Frontiers Science Center for Flexible Electronics (FSCFE), Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials & Engineering (IBME), Northwestern Polytechnical University, 127 West Youyi Road, Xi'an 710072, China
| | - Jing Zhang
- Frontiers Science Center for Flexible Electronics (FSCFE), Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials & Engineering (IBME), Northwestern Polytechnical University, 127 West Youyi Road, Xi'an 710072, China
| | - Haoyu Jin
- Frontiers Science Center for Flexible Electronics (FSCFE), Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials & Engineering (IBME), Northwestern Polytechnical University, 127 West Youyi Road, Xi'an 710072, China
| | - Atif Saleem
- Frontiers Science Center for Flexible Electronics (FSCFE), Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials & Engineering (IBME), Northwestern Polytechnical University, 127 West Youyi Road, Xi'an 710072, China
| | - Qing Song
- Frontiers Science Center for Flexible Electronics (FSCFE), Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials & Engineering (IBME), Northwestern Polytechnical University, 127 West Youyi Road, Xi'an 710072, China
| | - Qingyan Jia
- Frontiers Science Center for Flexible Electronics (FSCFE), Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials & Engineering (IBME), Northwestern Polytechnical University, 127 West Youyi Road, Xi'an 710072, China
| | - Peng Li
- Frontiers Science Center for Flexible Electronics (FSCFE), Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials & Engineering (IBME), Northwestern Polytechnical University, 127 West Youyi Road, Xi'an 710072, China
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Li CG, Dang Q, Yang Q, Chen D, Zhu H, Chen J, Liu R, Wang X. Study of the microstructure of chitosan aerogel beads prepared by supercritical CO 2 drying and the effect of long-term storage. RSC Adv 2022; 12:21041-21049. [PMID: 35919839 PMCID: PMC9301543 DOI: 10.1039/d2ra01875f] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 07/07/2022] [Indexed: 12/03/2022] Open
Abstract
In order to investigate the pore properties and effect of storage time on the microstructure of CO2-dried aerogels, chitosan aerogel beads were obtained from chitosan hydrogels with an initial concentration in the range of 1.5–3.0 wt% through SCCO2 drying and freeze-drying (as a comparison). The SCCO2-dried chitosan aerogels showed a three-dimensional network structure, and had higher BET surface area (200 m2 g−1) and higher crystallinity (0.62/XRD, 0.80/ATR-FTIR) than the freeze-dried aerogels. The stability of the microstructure of the SCCO2-dried chitosan aerogel beads during 10 months was studied. The BET surface area of the aerogel beads at each concentration declined by 30.5% at 2 months, 56.7% at 6 months and 67.2% at 10 months. Accelerated aging tests of the chitosan aerogel beads were carried out to study the effect of humidity on the chitosan aerogel beads. The average diameter of the chitosan aerogel decreased from 2.3 mm to 0.9 mm when stored at 65 °C with 90% relative humidity (RH). In contrast, there was no obvious change during storage at 65 °C with 20% RH. The amount of adsorbed water increased from 4% to 12% at 65 °C with 90% RH for 96 h, and the bound water content of the aerogel beads gradually increased. This study demonstrates that SCCO2-dried chitosan aerogel beads could be better at maintaining their mesoporous structure, and the adsorption of water from the surrounding air had a significant effect on the microstructure and shrinkage of the chitosan aerogel beads. Chitosan aerogel beads prepared by different drying methods were compared, and the effects of long-term storage and humidity on the structure were investigated.![]()
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Affiliation(s)
- Chun-gong Li
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, PR China
| | - Qi Dang
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, PR China
| | - Qinqin Yang
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, PR China
| | - Dong Chen
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, PR China
| | - Hongliang Zhu
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, PR China
| | - Jiachen Chen
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, PR China
| | - Runjin Liu
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, PR China
| | - Xiang Wang
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, PR China
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Grigoryan AY, Bezhin AI, Pankrusheva TA, Sukovatykh BS. [Local management of purulent wounds with wound dressings]. Khirurgiia (Mosk) 2022:42-48. [PMID: 36398954 DOI: 10.17116/hirurgia202211142] [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: 06/16/2023]
Abstract
Purulent-inflammatory lesions of skin and soft tissues account for 30-35% of causes of admission to surgical hospitals. In outpatient system, this value reaches 35-60%. Moreover, suppuration of wounds after elective surgery occurs in 2-5% of cases. Adequately selected drugs for local wound therapy can achieve localization of purulent process and avoid spread of infection. This review summarizes data on development, experimental and clinical testing of wound dressings over the past 10 years, presents classification options and analyzes their advantages and disadvantages. The authors emphasize higher efficacy of hydrophilic coatings, and coatings based on chitosan, collagen, methylcellulose and its derivatives are preferred. It is advisable to introduce a component with antimicrobial, anesthetic and hemostatic activity stimulating tissue regeneration into the matrix of wound dressing. The priority is introduction of antiseptic substances causing fewer side effects compared to antibiotics. Further research and development of new wound dressings is a priority in surgery considering changing landscape and development of resistance of microorganisms.
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Affiliation(s)
| | - A I Bezhin
- Kursk State Medical University, Kursk, Russia
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35
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Aswathi Mohan A, Robert Antony A, Greeshma K, Yun JH, Ramanan R, Kim HS. Algal biopolymers as sustainable resources for a net-zero carbon bioeconomy. BIORESOURCE TECHNOLOGY 2022; 344:126397. [PMID: 34822992 DOI: 10.1016/j.biortech.2021.126397] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2021] [Revised: 11/15/2021] [Accepted: 11/17/2021] [Indexed: 06/13/2023]
Abstract
The era for eco-friendly polymers was ushered by the marine plastic menace and with the discovery of emerging pollutants such as micro-, nano-plastics, and plastic leachates from fossil fuel-based polymers. This review investigates algae-derived natural, carbon neutral polysaccharides and polyesters, their structure, biosynthetic mechanisms, biopolymers and biocomposites production process, followed by biodegradability of the polymers. The review proposes acceleration of research in this promising area to address the need for eco-friendly polymers and to increase the cost-effectiveness of algal biorefineries by coupling biofuel, high-value products, and biopolymer production using waste and wastewater-grown algal biomass. Such a strategy improves overall sustainability by lowering costs and carbon emissions in algal biorefineries, eventually contributing towards the much touted circular, net-zero carbon future economies. Finally, this review analyses the evolution of citation networks, which in turn highlight the emergence of a new frontier of sustainable polymers from algae.
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Affiliation(s)
- A Aswathi Mohan
- Sustainable Resources Laboratory, Department of Environmental Science, Central University of Kerala, Tejaswini Hills, Periya, Kasaragod, Kerala 671316, India
| | - Aiswarya Robert Antony
- Sustainable Resources Laboratory, Department of Environmental Science, Central University of Kerala, Tejaswini Hills, Periya, Kasaragod, Kerala 671316, India
| | - Kozhumal Greeshma
- Sustainable Resources Laboratory, Department of Environmental Science, Central University of Kerala, Tejaswini Hills, Periya, Kasaragod, Kerala 671316, India
| | - Jin-Ho Yun
- Cell Factory Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea
| | - Rishiram Ramanan
- Sustainable Resources Laboratory, Department of Environmental Science, Central University of Kerala, Tejaswini Hills, Periya, Kasaragod, Kerala 671316, India; Cell Factory Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea
| | - Hee-Sik Kim
- Cell Factory Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea.
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Vijayakumar BG, Ramesh D, Kumaravel SM, Theresa M, Sethumadhavan A, Venkatesan BP, Radhakrishnan EK, Mani M, Kannan T. Chitosan with pendant (E)-5-((4-acetylphenyl) diazenyl)-6-aminouracil groups as synergetic antimicrobial agents. J Mater Chem B 2022; 10:4048-4058. [DOI: 10.1039/d2tb00240j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Conventional antimicrobial agents are losing the war against drug resistance day-by-day. Chitosan biopolymer is one of the alternative materials that lends itself well to this application by fine-tuning its bioactivity...
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37
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Li C, Lv H, Du Y, Zhu W, Yang W, Wang X, Wang J, Chen W. Biologically modified implantation as therapeutic bioabsorbable materials for bone defect repair. Regen Ther 2021; 19:9-23. [PMID: 35024389 PMCID: PMC8732753 DOI: 10.1016/j.reth.2021.12.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 12/08/2021] [Accepted: 12/20/2021] [Indexed: 12/26/2022] Open
Abstract
For decades, researches have concentrated on the mechanical properties, biodegradation, and biocompatibility of implants used in the therapy of large size bone defect. In vivo studies demonstrate that bioabsorbable bone substitute materials can reduce the risk of common symptoms such as inflammation and osteonecrosis caused by bio-inert materials after long-term implantation. Several organic, inorganic, and composite materials have been approved for clinical application, based on their unique characteristics and advantages. Although some artificial bioabsorbable bone substitute materials have been used for years, there are still some disadvantages existing, such as low mechanical strength, high brittleness, and low degradation rate. Therefore, novel bioabsorbable composite materials biomaterials have been developed for bone defect repair. In this review, we provide an overview of the development of artificial bioabsorbable bone substitute materials and highlight the advantages and disadvantages. Furthermore, recent advances in bioabsorbable bone substitute materials used in bone defect repair are outlined. Finally, we discuss current challenges and further developments in the clinical application of bioabsorbable bone substitute materials.
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Affiliation(s)
- Chao Li
- Department of Orthopaedic Surgery, The Third Hospital of Hebei Medical University, No.139 Ziqiang Road, Shijiazhuang 050051, PR China,Key Laboratory of Biomechanics of Hebei Province, Orthopaedic Research Institution of Hebei Province, No.139 Ziqiang Road, Shijiazhuang 050051, PR China,NHC Key Laboratory of Intelligent Orthopaedic Equipment, The Third Hospital of Hebei Medical University, No.139 Ziqiang Road, Shijiazhuang 050051, PR China
| | - Hongzhi Lv
- Department of Orthopaedic Surgery, The Third Hospital of Hebei Medical University, No.139 Ziqiang Road, Shijiazhuang 050051, PR China,Key Laboratory of Biomechanics of Hebei Province, Orthopaedic Research Institution of Hebei Province, No.139 Ziqiang Road, Shijiazhuang 050051, PR China,NHC Key Laboratory of Intelligent Orthopaedic Equipment, The Third Hospital of Hebei Medical University, No.139 Ziqiang Road, Shijiazhuang 050051, PR China
| | - Yawei Du
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai 200025, PR China
| | - Wenbo Zhu
- Department of Orthopaedic Surgery, The Third Hospital of Hebei Medical University, No.139 Ziqiang Road, Shijiazhuang 050051, PR China,Key Laboratory of Biomechanics of Hebei Province, Orthopaedic Research Institution of Hebei Province, No.139 Ziqiang Road, Shijiazhuang 050051, PR China,NHC Key Laboratory of Intelligent Orthopaedic Equipment, The Third Hospital of Hebei Medical University, No.139 Ziqiang Road, Shijiazhuang 050051, PR China
| | - Weijie Yang
- Department of Orthopaedic Surgery, The Third Hospital of Hebei Medical University, No.139 Ziqiang Road, Shijiazhuang 050051, PR China,Key Laboratory of Biomechanics of Hebei Province, Orthopaedic Research Institution of Hebei Province, No.139 Ziqiang Road, Shijiazhuang 050051, PR China,NHC Key Laboratory of Intelligent Orthopaedic Equipment, The Third Hospital of Hebei Medical University, No.139 Ziqiang Road, Shijiazhuang 050051, PR China
| | - Xiumei Wang
- State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, No.30 Shuangqing Road, Beijing 100084, PR China
| | - Juan Wang
- Department of Orthopaedic Surgery, The Third Hospital of Hebei Medical University, No.139 Ziqiang Road, Shijiazhuang 050051, PR China,Key Laboratory of Biomechanics of Hebei Province, Orthopaedic Research Institution of Hebei Province, No.139 Ziqiang Road, Shijiazhuang 050051, PR China,NHC Key Laboratory of Intelligent Orthopaedic Equipment, The Third Hospital of Hebei Medical University, No.139 Ziqiang Road, Shijiazhuang 050051, PR China,Corresponding author. No.139 Ziqiang Road, Shjiazhuang 050051, PR China. Fax: +86-311-87023626.
| | - Wei Chen
- Department of Orthopaedic Surgery, The Third Hospital of Hebei Medical University, No.139 Ziqiang Road, Shijiazhuang 050051, PR China,Key Laboratory of Biomechanics of Hebei Province, Orthopaedic Research Institution of Hebei Province, No.139 Ziqiang Road, Shijiazhuang 050051, PR China,NHC Key Laboratory of Intelligent Orthopaedic Equipment, The Third Hospital of Hebei Medical University, No.139 Ziqiang Road, Shijiazhuang 050051, PR China,Corresponding author. No.139 Ziqiang Road, Shjiazhuang 050051, PR China. Fax: +86-311-87023626.
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38
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Kostag M, El Seoud OA. Sustainable biomaterials based on cellulose, chitin and chitosan composites - A review. CARBOHYDRATE POLYMER TECHNOLOGIES AND APPLICATIONS 2021. [DOI: 10.1016/j.carpta.2021.100079] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
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39
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Wan MC, Qin W, Lei C, Li QH, Meng M, Fang M, Song W, Chen JH, Tay F, Niu LN. Biomaterials from the sea: Future building blocks for biomedical applications. Bioact Mater 2021; 6:4255-4285. [PMID: 33997505 PMCID: PMC8102716 DOI: 10.1016/j.bioactmat.2021.04.028] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Revised: 04/15/2021] [Accepted: 04/17/2021] [Indexed: 02/08/2023] Open
Abstract
Marine resources have tremendous potential for developing high-value biomaterials. The last decade has seen an increasing number of biomaterials that originate from marine organisms. This field is rapidly evolving. Marine biomaterials experience several periods of discovery and development ranging from coralline bone graft to polysaccharide-based biomaterials. The latter are represented by chitin and chitosan, marine-derived collagen, and composites of different organisms of marine origin. The diversity of marine natural products, their properties and applications are discussed thoroughly in the present review. These materials are easily available and possess excellent biocompatibility, biodegradability and potent bioactive characteristics. Important applications of marine biomaterials include medical applications, antimicrobial agents, drug delivery agents, anticoagulants, rehabilitation of diseases such as cardiovascular diseases, bone diseases and diabetes, as well as comestible, cosmetic and industrial applications.
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Affiliation(s)
- Mei-chen Wan
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, PR China
| | - Wen Qin
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, PR China
| | - Chen Lei
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, PR China
| | - Qi-hong Li
- Department of Stomatology, The Fifth Medical Centre, Chinese PLA General Hospital (Former 307th Hospital of the PLA), Dongda Street, Beijing, 100071, PR China
| | - Meng Meng
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, PR China
| | - Ming Fang
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, PR China
| | - Wen Song
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, PR China
| | - Ji-hua Chen
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, PR China
| | - Franklin Tay
- College of Graduate Studies, Augusta 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 Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, PR China
- The Third Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan, 453000, PR China
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Drira M, Hentati F, Babich O, Sukhikh S, Larina V, Sharifian S, Homai A, Fendri I, Lemos MFL, Félix C, Félix R, Abdelkafi S, Michaud P. Bioactive Carbohydrate Polymers-Between Myth and Reality. Molecules 2021; 26:7068. [PMID: 34885655 PMCID: PMC8659292 DOI: 10.3390/molecules26237068] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Revised: 11/17/2021] [Accepted: 11/19/2021] [Indexed: 12/27/2022] Open
Abstract
Polysaccharides are complex macromolecules long regarded as energetic storage resources or as components of plant and fungal cell walls. They have also been described as plant mucilages or microbial exopolysaccharides. The development of glycosciences has led to a partial and difficult deciphering of their other biological functions in living organisms. The objectives of glycobiochemistry and glycobiology are currently to correlate some structural features of polysaccharides with some biological responses in the producing organisms or in another one. In this context, the literature focusing on bioactive polysaccharides has increased exponentially during the last two decades, being sometimes very optimistic for some new applications of bioactive polysaccharides, notably in the medical field. Therefore, this review aims to examine bioactive polysaccharide, taking a critical look of the different biological activities reported by authors and the reality of the market. It focuses also on the chemical, biochemical, enzymatic, and physical modifications of these biopolymers to optimize their potential as bioactive agents.
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Affiliation(s)
- Maroua Drira
- Laboratoire de Biotechnologies des Plantes Appliquées à l’Amélioration des Cultures, Faculté des Sciences de Sfax, Université de Sfax, Sfax 3038, Tunisia; (M.D.); (I.F.)
| | - Faiez Hentati
- INRAE, URAFPA, Université de Lorraine, F-54000 Nancy, France;
| | - Olga Babich
- Institute of Living Systems, Immanuel Kant Baltic Federal University, A. Nevskogo Street 14, 236016 Kaliningrad, Russia; (O.B.); (S.S.); (V.L.)
| | - Stanislas Sukhikh
- Institute of Living Systems, Immanuel Kant Baltic Federal University, A. Nevskogo Street 14, 236016 Kaliningrad, Russia; (O.B.); (S.S.); (V.L.)
| | - Viktoria Larina
- Institute of Living Systems, Immanuel Kant Baltic Federal University, A. Nevskogo Street 14, 236016 Kaliningrad, Russia; (O.B.); (S.S.); (V.L.)
| | - Sana Sharifian
- Department of Marine Biology, Faculty of Marine Science and Technology, University of Hormozgan, Bandar Abbas 74576, Iran; (S.S.); (A.H.)
| | - Ahmad Homai
- Department of Marine Biology, Faculty of Marine Science and Technology, University of Hormozgan, Bandar Abbas 74576, Iran; (S.S.); (A.H.)
| | - Imen Fendri
- Laboratoire de Biotechnologies des Plantes Appliquées à l’Amélioration des Cultures, Faculté des Sciences de Sfax, Université de Sfax, Sfax 3038, Tunisia; (M.D.); (I.F.)
| | - Marco F. L. Lemos
- MARE–Marine and Environmental Sciences Centre, ESTM, Polytechnic of Leiria, 2520-641 Peniche, Portugal; (M.F.L.L.); (C.F.); (R.F.)
| | - Carina Félix
- MARE–Marine and Environmental Sciences Centre, ESTM, Polytechnic of Leiria, 2520-641 Peniche, Portugal; (M.F.L.L.); (C.F.); (R.F.)
| | - Rafael Félix
- MARE–Marine and Environmental Sciences Centre, ESTM, Polytechnic of Leiria, 2520-641 Peniche, Portugal; (M.F.L.L.); (C.F.); (R.F.)
| | - Slim Abdelkafi
- Laboratoire de Génie Enzymatique et Microbiologie, Equipe de Biotechnologie des Algues, Ecole Nationale d’Ingénieurs de Sfax, Université de Sfax, Sfax 3038, Tunisia;
| | - Philippe Michaud
- Université Clermont Auvergne, CNRS, Clermont Auvergne INP, Institut Pascal, F-63000 Clermont-Ferrand, France
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Khattak S, Qin XT, Huang LH, Xie YY, Jia SR, Zhong C. Preparation and characterization of antibacterial bacterial cellulose/chitosan hydrogels impregnated with silver sulfadiazine. Int J Biol Macromol 2021; 189:483-493. [PMID: 34450146 DOI: 10.1016/j.ijbiomac.2021.08.157] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 07/27/2021] [Accepted: 08/18/2021] [Indexed: 10/20/2022]
Abstract
Hydrogels with pH sensitivity and stable mechanical and antibacterial properties have many desirable qualities and broad applications. A hydrogel based on bacterial cellulose and chitosan, impregnated with silver sulfadiazine (<1% w/w), was prepared using glutaraldehyde as the crosslinking agent. The presence of SSd was confirmed by Fourier transform infrared spectroscopy. Micropore size, swelling ratio, pH- sensitivity, and gram positive and negative antibacterial properties were studied by disk diffusion and colony forming unit. X-ray diffraction confirmed the presence of amorphous and crystalline regions in the hydrogel matrix following addition of SSd. The elemental composition, morphology, and mechanical properties of the hydrogels were characterized. Incorporation of SSd into bacterial cellulose-chitosan hydrogels significantly improved their mechanical and antibacterial properties. The antibacterial activity against E. coli and S. aureus was evaluated and SSd-BC/Ch hydrogels are more toxic to S. aureus than to E. coli. We use FESEM to observe bacterial morphology before and after exposure to SSd-BC/Ch hydrogels. The BacLight LIVE/DEAD membrane permeability kit is used to evaluate the membrane permeability of bacteria. These antibacterial hydrogels have many promising applications in food packaging, tissue engineering, drug delivery, clinical, biotechnological, and biomedical fields.
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Affiliation(s)
- Shahia Khattak
- State Key Laboratory of Food Nutrition & Safety, Tianjin University of Science & Technology, Tianjin 300457, China; Key Laboratory of Industrial Fermentation Microbiology, (Ministry of Education), Tianjin University of Science & Technology, Tianjin 300457, China
| | - Xiao-Tong Qin
- State Key Laboratory of Food Nutrition & Safety, Tianjin University of Science & Technology, Tianjin 300457, China; Key Laboratory of Industrial Fermentation Microbiology, (Ministry of Education), Tianjin University of Science & Technology, Tianjin 300457, China
| | - Long-Hui Huang
- State Key Laboratory of Food Nutrition & Safety, Tianjin University of Science & Technology, Tianjin 300457, China; Key Laboratory of Industrial Fermentation Microbiology, (Ministry of Education), Tianjin University of Science & Technology, Tianjin 300457, China
| | - Yan-Yan Xie
- State Key Laboratory of Food Nutrition & Safety, Tianjin University of Science & Technology, Tianjin 300457, China; Key Laboratory of Industrial Fermentation Microbiology, (Ministry of Education), Tianjin University of Science & Technology, Tianjin 300457, China
| | - Shi-Ru Jia
- State Key Laboratory of Food Nutrition & Safety, Tianjin University of Science & Technology, Tianjin 300457, China; Key Laboratory of Industrial Fermentation Microbiology, (Ministry of Education), Tianjin University of Science & Technology, Tianjin 300457, China
| | - Cheng Zhong
- State Key Laboratory of Food Nutrition & Safety, Tianjin University of Science & Technology, Tianjin 300457, China; Key Laboratory of Industrial Fermentation Microbiology, (Ministry of Education), Tianjin University of Science & Technology, Tianjin 300457, China.
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Bacterial cellulose and its potential for biomedical applications. Biotechnol Adv 2021; 53:107856. [PMID: 34666147 DOI: 10.1016/j.biotechadv.2021.107856] [Citation(s) in RCA: 59] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Revised: 10/09/2021] [Accepted: 10/10/2021] [Indexed: 12/11/2022]
Abstract
Bacterial cellulose (BC) is an important polysaccharide synthesized by some bacterial species under specific culture conditions, which presents several remarkable features such as microporosity, high water holding capacity, good mechanical properties and good biocompatibility, making it a potential biomaterial for medical applications. Since its discovery, BC has been used for wound dressing, drug delivery, artificial blood vessels, bone tissue engineering, and so forth. Additionally, BC can be simply manipulated to form its derivatives or composites with enhanced physicochemical and functional properties. Several polymers, carbon-based nanomaterials, and metal nanoparticles (NPs) have been introduced into BC by ex situ and in situ methods to design hybrid materials with enhanced functional properties. This review provides comprehensive knowledge and highlights recent advances in BC production strategies, its structural features, various in situ and ex situ modification techniques, and its potential for biomedical applications.
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Ardean C, Davidescu CM, Nemeş NS, Negrea A, Ciopec M, Duteanu N, Negrea P, Duda-Seiman D, Muntean D. Antimicrobial Activities of Chitosan Derivatives. Pharmaceutics 2021; 13:pharmaceutics13101639. [PMID: 34683932 PMCID: PMC8541518 DOI: 10.3390/pharmaceutics13101639] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 09/09/2021] [Accepted: 09/23/2021] [Indexed: 11/16/2022] Open
Abstract
Considering the challenge created by the development of bacterial and fungal strains resistant to multiple therapeutic variants, new molecules and materials with specific properties against these microorganisms can be synthesized, like those synthesized from biopolymers such as chitosan with improved antimicrobial activities. Antimicrobial activities of seven obtained materials were tested on four reference strains belonging to American Type Culture Collection. The best antimicrobial activity was obtained by functionalization by impregnation of chitosan with quaternary ammonium salts, followed by that obtained by functionalization of chitosan with phosphonium. The lowest antibacterial and antifungal effects were expressed by Ch-THIO and Ch-MBT, but new materials obtained with these extractants may be precursors with a significant role in the direct control of active molecules, such as cell growth factors or cell signaling molecules.
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Affiliation(s)
- Cristina Ardean
- Faculty of Industrial Chemistry and Environmental Engineering, Politehnica University of Timişoara, 2 Piata Victoriei, 300006 Timisoara, Romania; (C.A.); (A.N.); (M.C.); (P.N.)
| | - Corneliu Mircea Davidescu
- Renewable Energy Research Institute-ICER, University Politehnica of Timisoara, 138 Gavril Musicescu Street, 300501 Timisoara, Romania;
| | - Nicoleta Sorina Nemeş
- Renewable Energy Research Institute-ICER, University Politehnica of Timisoara, 138 Gavril Musicescu Street, 300501 Timisoara, Romania;
- Correspondence: (N.S.N.); (N.D.); (D.D.-S.)
| | - Adina Negrea
- Faculty of Industrial Chemistry and Environmental Engineering, Politehnica University of Timişoara, 2 Piata Victoriei, 300006 Timisoara, Romania; (C.A.); (A.N.); (M.C.); (P.N.)
| | - Mihaela Ciopec
- Faculty of Industrial Chemistry and Environmental Engineering, Politehnica University of Timişoara, 2 Piata Victoriei, 300006 Timisoara, Romania; (C.A.); (A.N.); (M.C.); (P.N.)
| | - Narcis Duteanu
- Faculty of Industrial Chemistry and Environmental Engineering, Politehnica University of Timişoara, 2 Piata Victoriei, 300006 Timisoara, Romania; (C.A.); (A.N.); (M.C.); (P.N.)
- Correspondence: (N.S.N.); (N.D.); (D.D.-S.)
| | - Petru Negrea
- Faculty of Industrial Chemistry and Environmental Engineering, Politehnica University of Timişoara, 2 Piata Victoriei, 300006 Timisoara, Romania; (C.A.); (A.N.); (M.C.); (P.N.)
| | - Daniel Duda-Seiman
- Department of Cardiology, Victor Babes University of Medicine and Pharmacy Timişoara, 2 Piata Eftimie Murgu, 300041 Timisoara, Romania
- Correspondence: (N.S.N.); (N.D.); (D.D.-S.)
| | - Delia Muntean
- Multidisciplinary Research Center on Antimicrobial Resistance, Department of Microbiology, Victor Babes University of Medicine and Pharmacy Timişoara, 2 Eftimie Murgu Square, 300041 Timisoara, Romania;
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Rosmarinic Acid and Ulvan from Terrestrial and Marine Sources in Anti-Microbial Bionanosystems and Biomaterials. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11199249] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
In order to increase their sustainability, antimicrobial renewable molecules are fundamental additions to consumer goods. Rosmarinic acid is extracted from several terrestrial plants and represents an effective anti-microbial agent. Ulvan, extracted from algae, is an anti-microbial polysaccharide. The present review is dedicated to discussing the sources and the extraction methodologies for obtaining rosmarinic acid and ulvan. Moreover, the preparation of bioanosystems, integrating the two molecules with organic or inorganic substrates, are reviewed as methodologies to increase their effectiveness and stability. Finally, the possibility of preparing functional biomaterials and anti-microbial final products is discussed, considering scientific literature. The performed analysis indicated that the production of both molecules is not yet performed with mature industrial technologies. Nevertheless, both molecules could potentially be used in the packaging, biomedical, pharmaceutical, cosmetic, sanitary and personal care sectors, despite some research being required for developing functional materials with specific properties to pave the way for many more applications.
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Sathish M, Gobinath T, Sundaramanickam A, Saranya K, Nithin A, Surya P. Biomedical applications of carrageenan hydrogel impregnated with zinc oxide nanoparticles. INORG NANO-MET CHEM 2021. [DOI: 10.1080/24701556.2021.1952243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- M. Sathish
- Centre of Advanced Study in Marine Biology, Annamalai University, Parangipettai, Tamil Nadu, India
| | - T. Gobinath
- Centre of Advanced Study in Marine Biology, Annamalai University, Parangipettai, Tamil Nadu, India
| | - A. Sundaramanickam
- Centre of Advanced Study in Marine Biology, Annamalai University, Parangipettai, Tamil Nadu, India
| | - K. Saranya
- CSIR – Central Leather Research Institute (CLRI), Chennai, Tamil Nadu, India
| | - A. Nithin
- Centre of Advanced Study in Marine Biology, Annamalai University, Parangipettai, Tamil Nadu, India
| | - P. Surya
- Centre of Advanced Study in Marine Biology, Annamalai University, Parangipettai, Tamil Nadu, India
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Three Polymers from the Sea: Unique Structures, Directional Modifications, and Medical Applications. Polymers (Basel) 2021; 13:polym13152482. [PMID: 34372087 PMCID: PMC8348450 DOI: 10.3390/polym13152482] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 06/24/2021] [Accepted: 07/06/2021] [Indexed: 01/07/2023] Open
Abstract
With the increase of wounds and body damage, the clinical demand for antibacterial, hemostatic, and repairable biomaterials is increasing. Various types of biomedical materials have become research hotspots. Of these, and among materials derived from marine organisms, the research and application of alginate, chitosan, and collagen are the most common. Chitosan is mainly used as a hemostatic material in clinical applications, but due to problems such as the poor mechanical strength of a single component, the general antibacterial ability, and fast degradation speed research into the extraction process and modification mainly focuses on the improvement of the above-mentioned ability. Similarly, the research and modification of sodium alginate, used as a material for hemostasis and the repair of wounds, is mainly focused on the improvement of cell adhesion, hydrophilicity, degradation speed, mechanical properties, etc.; therefore, there are fewer marine biological collagen products. The research mainly focuses on immunogenicity removal and mechanical performance improvement. This article summarizes the source, molecular structure, and characteristics of alginate, chitosan, and collagen from marine organisms; and introduces the biological safety, clinical efficacy, and mechanism of action of these materials, as well as their extraction processes and material properties. Their modification and other issues are also discussed, and their potential clinical applications are examined.
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Ardean C, Davidescu CM, Nemeş NS, Negrea A, Ciopec M, Duteanu N, Negrea P, Duda-Seiman D, Musta V. Factors Influencing the Antibacterial Activity of Chitosan and Chitosan Modified by Functionalization. Int J Mol Sci 2021; 22:7449. [PMID: 34299068 PMCID: PMC8303267 DOI: 10.3390/ijms22147449] [Citation(s) in RCA: 115] [Impact Index Per Article: 38.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 07/06/2021] [Accepted: 07/07/2021] [Indexed: 01/13/2023] Open
Abstract
The biomedical and therapeutic importance of chitosan and chitosan derivatives is the subject of interdisciplinary research. In this analysis, we intended to consolidate some of the recent discoveries regarding the potential of chitosan and its derivatives to be used for biomedical and other purposes. Why chitosan? Because chitosan is a natural biopolymer that can be obtained from one of the most abundant polysaccharides in nature, which is chitin. Compared to other biopolymers, chitosan presents some advantages, such as accessibility, biocompatibility, biodegradability, and no toxicity, expressing significant antibacterial potential. In addition, through chemical processes, a high number of chitosan derivatives can be obtained with many possibilities for use. The presence of several types of functional groups in the structure of the polymer and the fact that it has cationic properties are determinant for the increased reactive properties of chitosan. We analyzed the intrinsic properties of chitosan in relation to its source: the molecular mass, the degree of deacetylation, and polymerization. We also studied the most important extrinsic factors responsible for different properties of chitosan, such as the type of bacteria on which chitosan is active. In addition, some chitosan derivatives obtained by functionalization and some complexes formed by chitosan with various metallic ions were studied. The present research can be extended in order to analyze many other factors than those mentioned. Further in this paper were discussed the most important factors that influence the antibacterial effect of chitosan and its derivatives. The aim was to demonstrate that the bactericidal effect of chitosan depends on a number of very complex factors, their knowledge being essential to explain the role of each of them for the bactericidal activity of this biopolymer.
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Affiliation(s)
- Cristina Ardean
- Faculty of Industrial Chemistry and Environmental Engineering, Politehnica University of Timişoara, 2 Piata Victoriei, 300006 Timisoara, Romania; (C.A.); (A.N.); (M.C.); (N.D.); (P.N.)
| | - Corneliu Mircea Davidescu
- Renewable Energy Research Institute-ICER, University Politehnica of Timisoara, 138 Gavril Musicescu Street, 300774 Timisoara, Romania;
| | - Nicoleta Sorina Nemeş
- Renewable Energy Research Institute-ICER, University Politehnica of Timisoara, 138 Gavril Musicescu Street, 300774 Timisoara, Romania;
| | - Adina Negrea
- Faculty of Industrial Chemistry and Environmental Engineering, Politehnica University of Timişoara, 2 Piata Victoriei, 300006 Timisoara, Romania; (C.A.); (A.N.); (M.C.); (N.D.); (P.N.)
| | - Mihaela Ciopec
- Faculty of Industrial Chemistry and Environmental Engineering, Politehnica University of Timişoara, 2 Piata Victoriei, 300006 Timisoara, Romania; (C.A.); (A.N.); (M.C.); (N.D.); (P.N.)
| | - Narcis Duteanu
- Faculty of Industrial Chemistry and Environmental Engineering, Politehnica University of Timişoara, 2 Piata Victoriei, 300006 Timisoara, Romania; (C.A.); (A.N.); (M.C.); (N.D.); (P.N.)
| | - Petru Negrea
- Faculty of Industrial Chemistry and Environmental Engineering, Politehnica University of Timişoara, 2 Piata Victoriei, 300006 Timisoara, Romania; (C.A.); (A.N.); (M.C.); (N.D.); (P.N.)
| | - Daniel Duda-Seiman
- University of Medicine and Pharmacy “Victor Babeș” Timișoara, 2 Piața Eftimie Murgu, 300041 Timișoara, Romania
| | - Virgil Musta
- University of Medicine and Pharmacy “Victor Babeș” Timișoara, 2 Piața Eftimie Murgu, 300041 Timișoara, Romania
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Xia T, Xie F, Bian X, Chen Z, Zhang S, Fang Z, Ye Q, Cai J, Wang Y. Ultrabroad-spectrum, multidrug resistant bacteria-killing, and biocompatible quaternized chitin derivative for infected wound healing. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 126:112177. [PMID: 34082977 DOI: 10.1016/j.msec.2021.112177] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 04/30/2021] [Accepted: 05/04/2021] [Indexed: 11/17/2022]
Abstract
Wound infections have consistently been recognized as serious threats to human. The design of antimicrobial and biocompatible wound dressings for infected wounds is an area of constant research. Herein, we homogeneously synthesized an ultrabroad-spectrum antimicrobial and biocompatible quaternized chitin derivative (QC-4) in a high-efficiency and sustainable route using aqueous KOH/urea solution. Particularly, QC-4 displayed powerful multidrug resistant bacteria-killing activities even at a very low antimicrobial concentration range from 500 ng/mL to 5 μg/mL, including clinically prevalent multidrug-resistant Escherichia coli (MDR-E. coli), methicillin resistant Staphylococcus aureus (MRSA), multidrug-resistant Pseudomonas aeruginosa (MRPA), and multidrug-resistant Acinetobacter baumannii (MDR-A. baumannii). With the aim to facilitate clinical translation, we validated the biocompatibility and safety of QC-4 both in vitro and in vivo, and further assessed the effects of QC-4 on infected wound healing in a porcine infectious full-thickness skin wound model. QC-4 demonstrated significant reduction of microbial aggregates and enhanced wound-healing effects by promoted re-epithelialization and collagen deposition, which were quite comparable to that of commercial Alginate-Ag dressing and absolutely superior to commercial Chitoclot Bandage dressing. Additionally, we provided clear evidences that QC-4 had a unique mechanism of action by attracting electrostatically to the negatively charged microbial surface, thus damaging the microbial cell wall and membrane. Findings of this work provided robust preclinical rationale for the future translational applications of QC-4 as a novel ultrabroad-spectrum and multidrug resistant bacteria-killing antimicrobial wound dressing for clinical wound management.
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Affiliation(s)
- Tian Xia
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Wuhan 430072, China
| | - Fang Xie
- Hubei Engineering Center of Natural Polymers-based Medical Materials, College of Chemistry & Molecular Sciences, Wuhan University, Wuhan 430072, China
| | - Xiaoen Bian
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Wuhan 430072, China
| | - Zuhan Chen
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Wuhan 430072, China
| | - Shichen Zhang
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Wuhan 430072, China
| | - Zehong Fang
- Jiangxi Provincial People's Hospital of Nanchang University, Department of General Surgery, Nanchang 330006, China
| | - Qifa Ye
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Wuhan 430072, China
| | - Jie Cai
- Hubei Engineering Center of Natural Polymers-based Medical Materials, College of Chemistry & Molecular Sciences, Wuhan University, Wuhan 430072, China; Research Institute of Shenzhen, Wuhan University, Shenzhen 518057, China.
| | - Yanfeng Wang
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Wuhan 430072, China; Hubei Engineering Center of Natural Polymers-based Medical Materials, College of Chemistry & Molecular Sciences, Wuhan University, Wuhan 430072, China.
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49
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Seidi F, Khodadadi Yazdi M, Jouyandeh M, Dominic M, Naeim H, Nezhad MN, Bagheri B, Habibzadeh S, Zarrintaj P, Saeb MR, Mozafari M. Chitosan-based blends for biomedical applications. Int J Biol Macromol 2021; 183:1818-1850. [PMID: 33971230 DOI: 10.1016/j.ijbiomac.2021.05.003] [Citation(s) in RCA: 57] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Revised: 04/27/2021] [Accepted: 05/02/2021] [Indexed: 10/21/2022]
Abstract
Polysaccharides are the most abundant naturally available carbohydrate polymers; composed of monosaccharide units covalently connected together. Chitosan is the most widely used polysaccharides because of its exceptional biocompatibility, mucoadhesion, and chemical versatility. However, it suffers from a few drawbacks, e.g. poor mechanical properties and antibacterial activity for biomedical applications. Blending chitosan with natural or synthetic polymers may not merely improve its physicochemical and mechanical properties, but may also improve its bioactivity-induced properties. This review paper summarizes progress in chitosan blends with biodegradable polymers and polysaccharides and their biomedical applications. Blends of chitosan with alginate, starch, cellulose, pectin and dextran and their applications were particularly addressed. The critical and challenging aspects as well as the future ahead of the use of chitosan-based blends were eventually enlightened.
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Affiliation(s)
- Farzad Seidi
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources and Joint International Research Lab of Lignocellulosic Functional Materials, Nanjing Forestry University, Nanjing 210037, China
| | | | - Maryam Jouyandeh
- Center of Excellence in Electrochemistry, University of Tehran, Tehran, Iran
| | - Midhun Dominic
- Department of Chemistry, Sacred Heart College (Autonomous), Kochi, Kerala 682013, India
| | - Haleh Naeim
- Faculty of Chemical Engineering, Urmia University of Technology, Urmia, Iran
| | | | - Babak Bagheri
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea
| | - Sajjad Habibzadeh
- Department of Chemical Engineering, Amirkabir University of Technology, Tehran, Iran
| | - Payam Zarrintaj
- School of Chemical Engineering, Oklahoma State University, 420 Engineering North, Stillwater, OK 74078, USA
| | - Mohammad Reza Saeb
- Center of Excellence in Electrochemistry, University of Tehran, Tehran, Iran.
| | - Masoud Mozafari
- Department of Tissue Engineering & Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran.
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50
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Manouras T, Koufakis E, Vasilaki E, Peraki I, Vamvakaki M. Antimicrobial Hybrid Coatings Combining Enhanced Biocidal Activity under Visible-Light Irradiation with Stimuli-Renewable Properties. ACS APPLIED MATERIALS & INTERFACES 2021; 13:17183-17195. [PMID: 33734694 DOI: 10.1021/acsami.0c21230] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Hybrid, organic-inorganic, biocidal films exhibiting polishing properties were developed as effective long-lasting antimicrobial surface coatings. The films were prepared using cationically modified chitosan, synthesized by the reaction with 3-bromo-N,N,N-trimethylpropan-1-aminium bromide, to introduce permanent biocidal quaternary ammonium salt (QAS) groups along the polymer backbone and were cross-linked by a novel, pH-cleavable acetal cross-linker, which allowed polishing the hybrid coatings with the solution pH. TiO2 nanoparticles, modified with reduced graphene oxide (rGO) sheets, to narrow their band gap energy value and shift their photocatalytic activity in the visible light regime, were introduced within the polymer film to enhance its antibacterial activity. The hybrid coatings exhibited an effective biocidal activity in the dark (∼2 Log and ∼3 Log reduction for Gram-negative and Gram-positive bacteria, respectively), when only the QAS sites interacted with the bacteria membrane, and an excellent biocidal action upon visible-light irradiation (∼5 Log and ∼6 Log reduction for Gram-negative and Gram-positive bacteria, respectively) due to the synergistic antimicrobial effect of the QAS moieties and the rGO-modified TiO2 nanoparticles. The gradual decrease in the film thickness, upon immersion of the coatings in mildly basic (pH 8), neutral (pH 7), and acidic (pH 6) media, reaching 10, 20, and 70% reduction, respectively, after 60 days of immersion time, confirmed the polishing behavior of the films, whereas their effective antimicrobial action was retained. The biocompatibility of the hybrid films was verified in human cell culture studies. The proposed approach enables the facile development of highly functional coatings, combining biocompatibility and bactericidal action with a "kill and self-clean" mechanism that allows the regeneration of the outer surface of the coating leading to a strong and prolonged antimicrobial action.
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Affiliation(s)
- Theodore Manouras
- Institute of Electronic Structure and Laser, Foundation for Research and Technology-Hellas, Heraklion 700 13, Crete, Greece
- Department of Materials Science and Technology, University of Crete, Heraklion 700 13, Crete, Greece
| | - Eleftherios Koufakis
- Institute of Electronic Structure and Laser, Foundation for Research and Technology-Hellas, Heraklion 700 13, Crete, Greece
- Department of Materials Science and Technology, University of Crete, Heraklion 700 13, Crete, Greece
| | - Evangelia Vasilaki
- Institute of Electronic Structure and Laser, Foundation for Research and Technology-Hellas, Heraklion 700 13, Crete, Greece
- Department of Materials Science and Technology, University of Crete, Heraklion 700 13, Crete, Greece
| | - Ioanna Peraki
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, 700 13 Heraklion, Crete, Greece
| | - Maria Vamvakaki
- Institute of Electronic Structure and Laser, Foundation for Research and Technology-Hellas, Heraklion 700 13, Crete, Greece
- Department of Materials Science and Technology, University of Crete, Heraklion 700 13, Crete, Greece
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