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Erica K, Thabitha A, Ebenezar KK, Kumar SSA, Abishek V, Priya NM, Pazhani GP, Ramachandran S. Improved antioxidant and anti-tubercular potential of liquiritigenin grafted on low molecular weight chitosan from gladius of Sepioteuthis lessoniana. Int J Biol Macromol 2024; 268:131728. [PMID: 38649074 DOI: 10.1016/j.ijbiomac.2024.131728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Revised: 04/16/2024] [Accepted: 04/19/2024] [Indexed: 04/25/2024]
Abstract
Chitosan (CH) is natural abundant biopolymer present on earth after cellulose. CH can be functionalized by numerous functional groups such as amino and carboxyl groups, potential biologically active compounds. The functionalization of CH with polyphenols had a greater biological than non-grafted CH. In the present study, the polyphenolic compound liquiritigenin (LTG) is chemically functionalized on the low molecular weight chitosan (LMW-CH) (693.09 Da). This was extracted and irradiated with gamma radiation from the gladius of Sepioteuthis lessoniana. The grafted compound was to in vitro anti-oxidant employing physicochemical methods and characterization was made by spectroscopic methods. The degree of deacetylation (DDA) of the LMW-CH was detected in 74 % of the samples, and at higher concentrations (100 g/mL). LMW-CH grafted with LTG had improved water solubility (5 mg/mL), and was thermally stable upto 143.58 °C. Its molecular weight was 855.1 Da. In conclusion the in vitro antioxidant and the anti-tuberculosis (anti-TB) properties of the grafted samples were significantly (P < 0.001) increased compared to the unconjugated LMW-CH and LTG. Overall, functionalization of LTG with LMW-CH improved the anti-tuberculosis activity. Further studies are needed to explore the possibilities of its use in vivo models.
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Affiliation(s)
- Katriel Erica
- Native Medicine and Marine Pharmacology Laboratory, Faculty of Allied Health Sciences
| | - Aavula Thabitha
- Native Medicine and Marine Pharmacology Laboratory, Faculty of Allied Health Sciences
| | | | - Swastik Satyapal Ankit Kumar
- Chettinad School of Pharmaceutical Sciences, Chettinad Hospital and Research Institute (CHRI), Chettinad Academy of Research and Education, Kelambakkam 603 103, Tamil Nadu, India
| | - Vijayakumar Abishek
- Chettinad School of Pharmaceutical Sciences, Chettinad Hospital and Research Institute (CHRI), Chettinad Academy of Research and Education, Kelambakkam 603 103, Tamil Nadu, India
| | - Narayanasami Mohana Priya
- Chettinad School of Pharmaceutical Sciences, Chettinad Hospital and Research Institute (CHRI), Chettinad Academy of Research and Education, Kelambakkam 603 103, Tamil Nadu, India
| | - Gururaja Perumal Pazhani
- Department of Pharmaceutical Chemistry, SRM College of Pharmacy, SRM Institute of Science and Technology, Kattankulathur 603203, Tamil Nadu, India
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El-araby A, Janati W, Ullah R, Uddin N, Bari A. Antifungal efficacy of chitosan extracted from shrimp shell on strawberry ( Fragaria × ananassa) postharvest spoilage fungi. Heliyon 2024; 10:e29286. [PMID: 38617969 PMCID: PMC11015463 DOI: 10.1016/j.heliyon.2024.e29286] [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: 02/10/2024] [Revised: 03/07/2024] [Accepted: 04/04/2024] [Indexed: 04/16/2024] Open
Abstract
The strong demand for biological materials in the food industry places chitosan at the forefront of other biopolymers. The present study aims to evaluate the antifungal properties of chitosan extracted from shrimp shell waste (Parapenaeus longirostris) against post-harvest strawberry (Fragaria × ananassa) spoilage fungi. The physicochemical characteristics (DD, Mw, and solubility) of extracted chitosan were determined. In addition, functional characteristics were studied by Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), and scanning electron microscopy (SEM). The antifungal effect of chitosan on mycelial growth and spore germination of Aspergillus niger, Botrytis cinerea, Fusarium oxysporum, and Rhizopus stolonifer was evaluated. Yield, degree of deacetylation, molecular weight, and solubility were 21.86%, 83.50%, 180 kDa, and 80.10%, respectively. A degree of deacetylation of 81.27% was calculated from the FTIR spectrum and a crystallinity index of 79.83% was determined from the X-ray diffraction pattern. SEM images of extracted chitosan showed a combination of fibrous and porous structure. At 3% chitosan, mycelial growth inhibition rates of A. niger, B. cinerea, F. oxysporum, and R. stolonifer ranged from 81.37% to 92.70%. At the same chitosan concentration, the percentages of spore germination inhibition of the isolated fungi ranged from 65.47% to 71.48%. The antifungal activity was highly dose-dependent. As a natural polymer, chitosan offers a convincing alternative to synthetic antimicrobials for the post-harvest preservation of strawberries. Its potential lies in its ability to inhibit the growth of spoilage fungi.
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Affiliation(s)
- Abir El-araby
- Functional Ecology and Environment Engineering Laboratory, Faculty of Science and Technology, Sidi Mohamed Ben Abdellah University, Fez, 30050, Morocco
| | - Walid Janati
- Functional Ecology and Environment Engineering Laboratory, Faculty of Science and Technology, Sidi Mohamed Ben Abdellah University, Fez, 30050, Morocco
| | - Riaz Ullah
- Department of Pharmacognosy, College of Pharmacy, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Nisar Uddin
- Biofuels Institute, School of Emergency Management, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, Jiangsu, China
| | - Ahmed Bari
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh, 11451, Saudi Arabia
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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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Xu S, Tian G, Zhi M, Liu Z, Du Y, Lu X, Li M, Bai J, Li X, Deng J, Ma S, Wang Y. Functionalized PLGA Microsphere Loaded with Fusion Peptide for Therapy of Bone Defects. ACS Biomater Sci Eng 2024; 10:2463-2476. [PMID: 38445948 DOI: 10.1021/acsbiomaterials.3c01858] [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: 03/07/2024]
Abstract
The challenges in the treatment of extensive bone defects are infection control and bone regeneration. Bone tissue engineering is currently one of the most promising strategies. In this study, a short biopeptide with specific osteogenic ability is designed by fusion peptide technology and encapsulated with chitosan-modified poly(lactic acid-glycolic acid) (PLGA) microspheres. The fusion peptide (FP) mainly consists of an osteogenic functional sequence (P-15) and a bone-specific binding sequence (Asp-6), which can regulate bone formation accurately and efficiently. Chitosan-modified PLGA with antimicrobial and pro-healing effects is used to achieve the sustained release of fusion peptides. In the early stage, the antimicrobial and soft tissue healing effects can stop the wound infection as soon as possible, which is relevant for the subsequent bone regeneration process. Our data show that CS-PLGA@FP microspheres have antibacterial and pro-cell migration effects in vitro and excellent pro-wound-healing effects in vivo. In addition, CS-PLGA@FP microspheres promote the expression of osteogenic-related factors and show excellent bone regeneration in a rat defect model. Therefore, CS-PLGA@FP microspheres are an efficient biomaterial that can accelerate the recovery of bone defects.
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Affiliation(s)
- Shendan Xu
- School and Hospital of Stomatology, Tianjin Medical University, Tianjin 30070, China
| | - Guangjie Tian
- School and Hospital of Stomatology, Tianjin Medical University, Tianjin 30070, China
| | - Min Zhi
- School and Hospital of Stomatology, Tianjin Medical University, Tianjin 30070, China
| | - Zihao Liu
- Zhongnuo Dental Hospital, Tianjin Nankai District, Tianjin 300101, China
| | - Yaqi Du
- School and Hospital of Stomatology, Tianjin Medical University, Tianjin 30070, China
| | - Xuemei Lu
- School and Hospital of Stomatology, Tianjin Medical University, Tianjin 30070, China
| | - Minting Li
- School and Hospital of Stomatology, Tianjin Medical University, Tianjin 30070, China
| | - Jin Bai
- School and Hospital of Stomatology, Tianjin Medical University, Tianjin 30070, China
| | - Xuewen Li
- School and Hospital of Stomatology, Tianjin Medical University, Tianjin 30070, China
| | - Jiayin Deng
- School and Hospital of Stomatology, Tianjin Medical University, Tianjin 30070, China
| | - Shiqing Ma
- Department of Stomatology, The Second Hospital of Tianjin Medical University, Tianjin 300211, China
| | - Yonglan Wang
- School and Hospital of Stomatology, Tianjin Medical University, Tianjin 30070, China
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Wang Z, Yan Y, Zhang Z, Li C, Mei L, Hou R, Liu X, Jiang H. Effect of Chitosan and Its Water-Soluble Derivatives on Antioxidant Activity. Polymers (Basel) 2024; 16:867. [PMID: 38611124 PMCID: PMC11013083 DOI: 10.3390/polym16070867] [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: 01/17/2024] [Revised: 03/10/2024] [Accepted: 03/14/2024] [Indexed: 04/14/2024] Open
Abstract
The antioxidant activity of chitosan (CS) and three water-soluble derivatives was analyzed comparatively by in vitro and in vivo experiments, including hydroxypropyl chitosan (HPCS), quaternary ammonium salt of chitosan (HACC), and carboxymethyl chitosan (CMCS). The results show that chitosan and its water-soluble derivatives have a scavenging ability on DPPH radicals, superoxide radicals, and hydroxyl radicals, and a reducing ability. A remarkable difference (p < 0.05) was found for HACC and HPCS compared with CS on DPPH radicals, hydroxyl radicals, and reducing ability. The antioxidant ability of the four chitosan samples was in the order of HPCS > HACC > CMCS > CS. Furthermore, antioxidant activity of all samples increased gradually in a concentration-dependent manner. The in vivo result indicates that oral CS and its derivatives samples result in a decrease in lipid peroxides (LPO) and free fatty acids (FFA) levels in serum with an increase in superoxide dismutase (SOD) activity. Especially for the HPCS and HACC groups, the LPO, FFA, and SOD activity in serum was different significantly in comparison with the high-fat controlgroup (HF) (p < 0.05). These results indicate that chitosan and its derivatives can be used as good antioxidants, and the antioxidant activity might be related to the molecular structure of chitosan derivatives.
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Affiliation(s)
- Zhihua Wang
- Hubei Key Laboratory of Quality Control of Characteristic Fruits and Vegetables, Hubei Engineering University, Xiaogan 432000, China
| | - Yongbin Yan
- School of Chemistry and Materials Science, Hubei Engineering University, Xiaogan 432000, China
| | - Zhengmao Zhang
- Hubei Key Laboratory of Quality Control of Characteristic Fruits and Vegetables, Hubei Engineering University, Xiaogan 432000, China
| | - Changchun Li
- Hubei Key Laboratory of Quality Control of Characteristic Fruits and Vegetables, Hubei Engineering University, Xiaogan 432000, China
| | - Lanfei Mei
- Hubei Key Laboratory of Quality Control of Characteristic Fruits and Vegetables, Hubei Engineering University, Xiaogan 432000, China
| | - Ruyi Hou
- School of Chemistry and Materials Science, Hubei Engineering University, Xiaogan 432000, China
| | - Xiaodan Liu
- School of Chemistry and Materials Science, Hubei Engineering University, Xiaogan 432000, China
| | - Hongxia Jiang
- College of Fisheries, Henan Normal University, Xinxiang 453007, China
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Li X, Wang Y, Zhao C, Tong L, Wang P, Liang J, Jiang Q, Fan Y, Zhang X, Sun Y. A facile Immunoregulatory Constructional Design by Proanthocyanidin Optimizing Directional Chitosan Microchannel. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2310689. [PMID: 38421135 DOI: 10.1002/smll.202310689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 02/05/2024] [Indexed: 03/02/2024]
Abstract
Improving the interconnected structure and bioregulatory function of natural chitosan is beneficial for optimizing its performance in bone regeneration. Here, a facile immunoregulatory constructional design is proposed for developing instructive chitosan by directional freezing and alkaline salting out. The molecular dynamics simulation confirmed the assembly kinetics and structural features of various polyphenols and chitosan molecules. Along with the in vitro anti-inflammatory, antioxidative, promoting bone mesenchymal stem cell (BMSC) adhesion and proliferation performance, proanthocyanidin optimizing chitosan (ChiO) scaffold presented an optimal immunoregulatory structure with the directional microchannel. Transcriptome analysis in vitro further revealed the cytoskeleton- and immune-regulation effect of ChiO are the key mechanism of action on BMSC. The rabbit cranial defect model (Φ = 10 mm) after 12 weeks of implantation confirmed the significantly enhanced bone reconstitution. This facile immunoregulatory directional microchannel design provides effective guidance for developing inducible chitosan scaffolds.
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Affiliation(s)
- Xing Li
- CAE/NAE, National Engineering Research Center for Biomaterials, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan, 610064, P. R. China
- College of Biomedical Engineering, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan, 610064, P. R. China
| | - Yuxiang Wang
- CAE/NAE, National Engineering Research Center for Biomaterials, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan, 610064, P. R. China
- College of Biomedical Engineering, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan, 610064, P. R. China
| | - Chengkun Zhao
- CAE/NAE, National Engineering Research Center for Biomaterials, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan, 610064, P. R. China
- College of Biomedical Engineering, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan, 610064, P. R. China
| | - Lei Tong
- CAE/NAE, National Engineering Research Center for Biomaterials, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan, 610064, P. R. China
- College of Biomedical Engineering, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan, 610064, P. R. China
| | - Peilei Wang
- CAE/NAE, National Engineering Research Center for Biomaterials, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan, 610064, P. R. China
- College of Biomedical Engineering, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan, 610064, P. R. China
| | - Jie Liang
- CAE/NAE, National Engineering Research Center for Biomaterials, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan, 610064, P. R. China
- College of Biomedical Engineering, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan, 610064, P. R. China
- Sichuan Testing Center for Biomaterials and Medical Devices, Sichuan University, 29# Wangjiang Road, Chengdu, 610064, P. R. China
| | - Qing Jiang
- CAE/NAE, National Engineering Research Center for Biomaterials, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan, 610064, P. R. China
- College of Biomedical Engineering, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan, 610064, P. R. China
| | - Yujiang Fan
- CAE/NAE, National Engineering Research Center for Biomaterials, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan, 610064, P. R. China
- College of Biomedical Engineering, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan, 610064, P. R. China
| | - Xingdong Zhang
- CAE/NAE, National Engineering Research Center for Biomaterials, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan, 610064, P. R. China
- College of Biomedical Engineering, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan, 610064, P. R. China
| | - Yong Sun
- CAE/NAE, National Engineering Research Center for Biomaterials, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan, 610064, P. R. China
- College of Biomedical Engineering, Sichuan University, 29# Wangjiang Road, Chengdu, Sichuan, 610064, P. R. China
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Oh GW, Kim SC, Cho KJ, Ko SC, Lee JM, Yim MJ, Kim KW, Kim HS, Kim JY, Lee DS, Heo SY, Kim YM, Jung WK. Poly(vinyl alcohol)/chitosan hydrogel incorporating chitooligosaccharide-gentisic acid conjugate with antioxidant and antibacterial properties as a potential wound dressing. Int J Biol Macromol 2024; 255:128047. [PMID: 37956810 DOI: 10.1016/j.ijbiomac.2023.128047] [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: 02/28/2023] [Revised: 11/03/2023] [Accepted: 11/10/2023] [Indexed: 11/15/2023]
Abstract
The design and development of wound dressing with antioxidant and antibacterial properties to accelerate wound healing remain challenging. In this study, we synthesize a chitooligosaccharide-gentisic acid (COS-GSA) conjugate using the free-radical grafting method, and fabricate a poly(vinyl alcohol) (PVA)/chitosan (CH)/COS-GSA (PVA/CH/CG) hydrogel using a freeze-thaw method. We characterize the synthesized COS-GSA conjugates using through polyphenol assay, absorbance, and 1H NMR spectroscopy and evaluate their antioxidant properties. The COS-GSA conjugates are successfully synthesized and exhibit better antioxidant properties than pristine COSs. Subsequently, the fabricated hydrogel is characterized based on its morphological analysis, rheological properties, water contact angle, swelling, degradation, water retention properties, and COS-GSA release profiles. Finally, the biocompatibility of the fabricated hydrogel is evaluated on HDF and HaCaT cells through indirect and direct cytotoxicity. The PVA/CH/CG hydrogel exhibited significantly higher antioxidant properties (DPPH, 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS), and hydrogen peroxide (H2O2) scavenging activities) and antibacterial activities (Staphylococcus aureus and Pseudomonas aeruginosa) compared to other fabricated hydrogels such as PVA, PVA/CH, and PVA/CH/COS (PVA/CH/C). These results provide evidence that PVA/CH/CG hydrogels with antioxidant, antibacterial, and non-cytotoxic properties have great potential for wound-dressing applications.
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Affiliation(s)
- Gun-Woo Oh
- National Marine Biodiversity Institute of Korea, Seochun, Chungcheongnam-do 33662, Republic of Korea
| | - Se-Chang Kim
- Major of Biomedical Engineering, Division of Smart Healthcare, College of Information Technology and Convergence and New-Senior Healthcare Innovation Center (BK21 Plus), Pukyong National University, Busan 48513, Republic of Korea; Marine Integrated Biomedical Technology Center, The National Key Research Institutes in Universities, Pukyong National University, Busan 48513, Republic of Korea
| | - Kyung-Jin Cho
- Marine Integrated Biomedical Technology Center, The National Key Research Institutes in Universities, Pukyong National University, Busan 48513, Republic of Korea; Research Center for Marine Integrated Bionics Technology, Pukyong National University, Busan 48513, Republic of Korea
| | - Seok-Chun Ko
- National Marine Biodiversity Institute of Korea, Seochun, Chungcheongnam-do 33662, Republic of Korea
| | - Jeong Min Lee
- National Marine Biodiversity Institute of Korea, Seochun, Chungcheongnam-do 33662, Republic of Korea
| | - Mi-Jin Yim
- National Marine Biodiversity Institute of Korea, Seochun, Chungcheongnam-do 33662, Republic of Korea
| | - Kyung Woo Kim
- National Marine Biodiversity Institute of Korea, Seochun, Chungcheongnam-do 33662, Republic of Korea
| | - Hyun-Soo Kim
- Department of Seafood Science and Technology, The Institute of Marine Industry, Gyeongsang National University, 2-9, Tongyeonghaean-ro, Tongyeong-si, Gyeongsangnam-do, 53064, Republic of Korea
| | - Ji-Yul Kim
- National Marine Biodiversity Institute of Korea, Seochun, Chungcheongnam-do 33662, Republic of Korea
| | - Dae-Sung Lee
- National Marine Biodiversity Institute of Korea, Seochun, Chungcheongnam-do 33662, Republic of Korea
| | - Seong-Yeong Heo
- Jeju Marine Research Center, Korea Institute of Ocean Science & Technology (KIOST), Jeju 63349, Republic of Korea
| | - Young-Mog Kim
- Marine Integrated Biomedical Technology Center, The National Key Research Institutes in Universities, Pukyong National University, Busan 48513, Republic of Korea; Research Center for Marine Integrated Bionics Technology, Pukyong National University, Busan 48513, Republic of Korea; Major of Food Science and Technology, Pukyong National University, Busan 48513, Republic of Korea
| | - Won-Kyo Jung
- Major of Biomedical Engineering, Division of Smart Healthcare, College of Information Technology and Convergence and New-Senior Healthcare Innovation Center (BK21 Plus), Pukyong National University, Busan 48513, Republic of Korea; Marine Integrated Biomedical Technology Center, The National Key Research Institutes in Universities, Pukyong National University, Busan 48513, Republic of Korea; Research Center for Marine Integrated Bionics Technology, Pukyong National University, Busan 48513, Republic of Korea.
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Borandeh S, Laurén I, Teotia A, Niskanen J, Seppälä J. Dual functional quaternary chitosans with thermoresponsive behavior: structure-activity relationships in antibacterial activity and biocompatibility. J Mater Chem B 2023; 11:11300-11309. [PMID: 37953644 DOI: 10.1039/d3tb02066e] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2023]
Abstract
Cationically modified chitosan derivatives exhibit a range of appealing characteristics, with a particular emphasis on their antimicrobial potential across a broad spectrum of biomedical applications. This study aimed to delve deeper into quaternary chitosan (QC) derivatives. Through the synthesis of both homogeneously and heterogeneously dual-quaternized chitosan (DQC), utilizing AETMAC ([2-(acryloyloxy)ethyl]-trimethylammonium chloride) and GTMAC (glycidyl trimethylammonium chloride), a permanent charge was established, spanning a wide pH range. We assessed structural differences, the type of quaternary functional group, molecular weight (Mw), and charge density. Intriguingly, an upper critical solution temperature (UCST) behavior was observed in AETMAC-functionalized QC. To our knowledge, it is a novel discovery in cationically functionalized chitosan. These materials demonstrated excellent antimicrobial efficacy against model test organisms E. coli and P. syringae. Furthermore, we detected concentration-dependent cytotoxicity in NIH-3T3 fibroblasts. Striking a balance between antimicrobial activity and cytotoxicity becomes a crucial factor in application feasibility. AETMAC-functionalized chitosan emerges as the top performer in terms of overall antibacterial effectiveness, possibly owing to factors like molecular weight, charge characteristics, and variations in the quaternary linker. Quaternary chitosan derivatives, with their excellent antibacterial attributes, hold significant promise as antibacterial or sanitizing agents, as well as across a broad spectrum of biomedical and environmental contexts.
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Affiliation(s)
- Sedigheh Borandeh
- Polymer Technology, School of Chemical Engineering, Aalto University, Kemistintie 1, 02150 Espoo, Finland.
| | - Isabella Laurén
- Polymer Technology, School of Chemical Engineering, Aalto University, Kemistintie 1, 02150 Espoo, Finland.
| | - Arun Teotia
- Polymer Technology, School of Chemical Engineering, Aalto University, Kemistintie 1, 02150 Espoo, Finland.
| | - Jukka Niskanen
- Polymer Technology, School of Chemical Engineering, Aalto University, Kemistintie 1, 02150 Espoo, Finland.
| | - Jukka Seppälä
- Polymer Technology, School of Chemical Engineering, Aalto University, Kemistintie 1, 02150 Espoo, Finland.
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Mohammadipour HS, Tajzadeh P, Atashparvar M, Yeganehzad S, Erfani M, Akbarzadeh F, Gholami S. Formulation and antibacterial properties of lollipops containing of chitosan- zinc oxide nano particles on planktonic and biofilm forms of Streptococcus mutans and Lactobacillus acidophilus. BMC Oral Health 2023; 23:957. [PMID: 38041064 PMCID: PMC10693077 DOI: 10.1186/s12903-023-03604-9] [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: 07/29/2023] [Accepted: 11/01/2023] [Indexed: 12/03/2023] Open
Abstract
This study aimed to formulate and characterize the experimental lollipops containing chitosan- zinc oxide nanoparticles (CH-ZnO NPs) and investigate their antimicrobial effects against some cariogenic bacteria. The CH-ZnO NPs were synthesized and characterized by X-ray diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR) analysis, and Transmission electron microscope (TEM). Then, four groups were made, including lollipops coated with 2 and 4 ml of CH-ZnO NPs, 0.7 ml CH-ZnO NPs incorporated lollipops, and those with no CH-ZnO NPs. Their antibacterial effectiveness against Streptococcus mutans and Lactobacillus acidophilus was evaluated by direct contact test and tissue culture plate method in planktonic and biofilm phases, respectively. Chlorhexidine mouthrinse (CHX) was used as a positive control group. In the planktonic phase, the antibacterial properties of both groups coated with CH-ZnO NPs were comparable and significantly higher than incorporated ones. There was no significant difference between CHX and the lollipops coated with 4 ml of NPs against S. mutans and CHX and two coated groups against L. acidophilus. None of the experimental lollipops in the biofilm phase could reduce both bacteria counts. The experimental lollipops coated with 2 and 4 ml of CH-ZnO NPs could reveal favorable antimicrobial properties against two cariogenic bacteria in the planktonic phase.
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Affiliation(s)
- Hamideh Sadat Mohammadipour
- Restorative and Cosmetic Dentistry, Dental Research Center, School of Dentistry, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Parastoo Tajzadeh
- Kashmar School of Medical Sciences, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Samira Yeganehzad
- Department of Food Processing, Research Institute of Food Science and Technology (RIFST), Mashhad, Iran
| | - Maryam Erfani
- Radiology Department, Razavi International Hospital, Mashhad, Iran
| | - Fatemeh Akbarzadeh
- Department of Chemistry, Faculty of Basic Sciences, Islamic Azad University, Mashhad, Iran
| | - Sima Gholami
- Department of Restorative and Cosmetic Dentistry, School of Dentistry, Mashhad University of Medical Sciences, Mashhad, Iran.
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10
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Predoi D, Iconaru SL, Ciobanu SC, Buton N, Predoi MV. Complex Evaluation of Nanocomposite-Based Hydroxyapatite for Biomedical Applications. Biomimetics (Basel) 2023; 8:528. [PMID: 37999169 PMCID: PMC10669721 DOI: 10.3390/biomimetics8070528] [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: 09/30/2023] [Revised: 11/01/2023] [Accepted: 11/02/2023] [Indexed: 11/25/2023] Open
Abstract
A magnesium-doped hydroxyapatite in chitosan matrix (MgHApC) sample was developed as a potential platform for numerous applications in the pharmaceutical, medical, and food industries. Magnesium-doped hydroxyapatite suspensions in the chitosan matrix were obtained by the coprecipitation technique. The surface shape and morphological features were determined by scanning electron microscopy (SEM). The hydrodynamic diameter of the suspended particles was determined by Dynamic light scattering (DLS) measurements. The stability of MgHApC suspensions was evaluated by ultrasonic measurements. The hydrodynamic diameter of the MgHApC particles in suspension was 29.5 nm. The diameter of MgHApC particles calculated from SEM was 12.5 ± 2 nm. Following the SEM observations, it was seen that the MgHApC particles have a spherical shape. The Fourier-transform infrared spectroscopy (FTIR) studies conducted on MgHApC proved the presence of chitosan and hydroxyapatite in the studied specimens. In vitro antimicrobial assays were performed on Escherichia coli ATCC 25922, Staphylococcus aureus ATCC 25923, Pseudomonas aeruginosa ATCC 27853, and Candida albicans ATCC 10231 microbial strains. The antimicrobial experiments showed that MgHApC exhibited very good antimicrobial properties against all the tested microorganisms. More than that, the results of the in vitro studies revealed that the antimicrobial properties of the samples depend on the incubation time. The evaluation of the sample's cytotoxicity was performed using the human colon cancer (HCT-8) cell line. Our results suggested the great potential of MgHApC to be used in future applications in the field of biomedical applications (e.g., dentistry, orthopedics, etc.).
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Affiliation(s)
- Daniela Predoi
- National Institute of Materials Physics, Atomistilor Street, No. 405A, MG 07, 077125 Magurele, Romania;
| | - Simona Liliana Iconaru
- National Institute of Materials Physics, Atomistilor Street, No. 405A, MG 07, 077125 Magurele, Romania;
| | - Steluta Carmen Ciobanu
- National Institute of Materials Physics, Atomistilor Street, No. 405A, MG 07, 077125 Magurele, Romania;
| | - Nicolas Buton
- HORIBA Jobin Yvon S.A.S., 6-18, Rue du Canal, 91165 Longjumeau, France;
| | - Mihai Valentin Predoi
- Department of Mechanics, University Politehnica of Bucharest, BN 002, 313 Splaiul Independentei, Sector 6, 060042 Bucharest, Romania;
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11
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Amamou O, Denis JP, Heinen É, Boubaker T, Cardinal S. A New and Rapid HPLC Method to Determine the Degree of Deacetylation of Glutaraldehyde-Cross-Linked Chitosan. Molecules 2023; 28:7294. [PMID: 37959714 PMCID: PMC10647662 DOI: 10.3390/molecules28217294] [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: 10/01/2023] [Revised: 10/18/2023] [Accepted: 10/24/2023] [Indexed: 11/15/2023] Open
Abstract
Chitosan is a linear biopolymer composed of D-glucosamine and N-acetylglucosamine units. The percentage of D-glucosamine in the polymeric chain can vary from one sample to another and is expressed as the degree of deacetylation (DDA). Since this parameter has an impact on many properties, its determination is often critical, and potentiometric titration is a common analytical technique to measure the DDA. Cross-linking with glutaraldehyde is one of the most explored modifications of chitosan; however, the determination of the DDA for the resulting reticulated chitosan resins can be challenging. In this paper, we report a new, rapid, and efficient method to determine the DDA of glutaraldehyde-cross-linked chitosan resins via HPLC. This method relies on the use of 2,4-dinitrophenylhydrazine (DNPH) as a derivatizing agent to measure the level of reticulation of the polymer (LR) after the reticulation step. In this study, we prepare three calibration curves (with an R2 value over 0.92) for three series of reticulated polymers covering a large range of reticulation levels to demonstrate that a correlation can be established between the LR established via HPLC and the DDA obtained via titration. The polymers are derived from three different chitosan starting materials. These standard calibration curves are now used on a routine basis in our lab, and the HPLC method has allowed us to change our DDA analysis time from 20 h to 5 min.
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Affiliation(s)
- Ons Amamou
- Département de Biologie, Chimie et Géographie, Université du Québec à Rimouski, Rimouski, QC G5L 3A1, Canada
- Laboratoire de Chimie Hétérocyclique, Produits Naturels et Réactivité (LR11S39), Faculté des Sciences, Université de Monastir, Monastir 5000, Tunisia
| | - Jean-Philippe Denis
- Département de Biologie, Chimie et Géographie, Université du Québec à Rimouski, Rimouski, QC G5L 3A1, Canada
| | - Élise Heinen
- Département de Biologie, Chimie et Géographie, Université du Québec à Rimouski, Rimouski, QC G5L 3A1, Canada
| | - Taoufik Boubaker
- Laboratoire de Chimie Hétérocyclique, Produits Naturels et Réactivité (LR11S39), Faculté des Sciences, Université de Monastir, Monastir 5000, Tunisia
| | - Sébastien Cardinal
- Département de Biologie, Chimie et Géographie, Université du Québec à Rimouski, Rimouski, QC G5L 3A1, Canada
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12
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Sikorski D, Rosiak P, Janczewski Ł, Potrzebowski MJ, Kregiel D, Kaźmierski S, Neubauer D, Kolesińska B, Frączyk J, Adamczyk A, Draczyński Z. Synthesis and Characterization of Antibacterial Chitosan Films with Ciprofloxacin in Acidic Conditions. Int J Mol Sci 2023; 24:15163. [PMID: 37894841 PMCID: PMC10606985 DOI: 10.3390/ijms242015163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 10/07/2023] [Accepted: 10/09/2023] [Indexed: 10/29/2023] Open
Abstract
This work presents the results of research on obtaining chitosan (CS) films containing on their surface ciprofloxacin (CIP). A unique structure was obtained that not only gives new properties to the films, but also changes the way of coverage and structure of the surface. The spectroscopic test showed that in the process of application of CIP on the surface of CS film, CIP was converted from its crystalline form to an amorphic one, hence improving its bioavailability. This improved its scope of microbiological effect. The research was carried out on the reduction of CIP concentration during the process of CIP adhesion to the surface of chitosan films. The antibacterial activity of the CS films with and without the drug was evaluated in relation to Escherichia coli and Staphylococcus aureus, as well as Candida albicans and Penicillium expansum. Changes in the morphology and roughness of membrane surfaces after the antibacterial molecule adhesion process were tested with atomic force microscopy (AFM) and scanning electron microscopy (SEM). Structural analysis of CS and its modifications were confirmed with Fourier-transform spectroscopy in the infrared by an attenuated total reflectance of IR radiation (FTIR-ATR) and solid-state nuclear magnetic resonance (NMR).
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Affiliation(s)
- Dominik Sikorski
- Institute of Textile Materials and Polymer Composites, Lodz University of Technology, Zeromskiego 116, 90-924 Lodz, Poland;
| | - Piotr Rosiak
- Institute of Organic Chemistry, Faculty of Chemistry, Lodz University of Technology, Zeromskiego 116, 90-924 Lodz, Poland; (P.R.); (Ł.J.); (J.F.)
| | - Łukasz Janczewski
- Institute of Organic Chemistry, Faculty of Chemistry, Lodz University of Technology, Zeromskiego 116, 90-924 Lodz, Poland; (P.R.); (Ł.J.); (J.F.)
| | - Marek J. Potrzebowski
- Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, Sienkiewicza 112, 90-363 Lodz, Poland; (M.J.P.); (S.K.)
| | - Dorota Kregiel
- Department of Environmental Biotechnology, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, Wólczańska 171/173, 90-924 Lodz, Poland;
| | - Sławomir Kaźmierski
- Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, Sienkiewicza 112, 90-363 Lodz, Poland; (M.J.P.); (S.K.)
| | - Damian Neubauer
- Department of Inorganic Chemistry, Faculty of Pharmacy, Medical University of Gdańsk, 80-210 Gdansk, Poland;
| | - Beata Kolesińska
- Institute of Organic Chemistry, Faculty of Chemistry, Lodz University of Technology, Zeromskiego 116, 90-924 Lodz, Poland; (P.R.); (Ł.J.); (J.F.)
| | - Justyna Frączyk
- Institute of Organic Chemistry, Faculty of Chemistry, Lodz University of Technology, Zeromskiego 116, 90-924 Lodz, Poland; (P.R.); (Ł.J.); (J.F.)
| | - Anna Adamczyk
- Faculty of Materials Science and Ceramics, AGH University of Science and Technology, A. Mickiewicza 30 Av., 30-059 Krakow, Poland;
| | - Zbigniew Draczyński
- Institute of Textile Materials and Polymer Composites, Lodz University of Technology, Zeromskiego 116, 90-924 Lodz, Poland;
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Zhang W, Sun J, Li Q, Liu C, Niu F, Yue R, Zhang Y, Zhu H, Ma C, Deng S. Free Radical-Mediated Grafting of Natural Polysaccharides Such as Chitosan, Starch, Inulin, and Pectin with Some Polyphenols: Synthesis, Structural Characterization, Bioactivities, and Applications-A Review. Foods 2023; 12:3688. [PMID: 37835341 PMCID: PMC10572827 DOI: 10.3390/foods12193688] [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: 08/30/2023] [Revised: 09/21/2023] [Accepted: 09/25/2023] [Indexed: 10/15/2023] Open
Abstract
Polyphenols and polysaccharides are very important natural products with special physicochemical properties and extensive biological activities. Recently, polyphenol-polysaccharide conjugates have been synthesized to overcome the limitations of polysaccharides and broaden their application range. Grafted copolymers are produced through chemical coupling, enzyme-mediated, and free radical-mediated methods, among which the free radical-induced grafting reaction is the most cost-effective, ecofriendly, safe, and plausible approach. Here, we review the grafting reactions of polysaccharides mediated by free radicals with various bioactive polyphenols, such as gallic acid (GA), ferulic acid (FA), and catechins. A detailed introduction of the methods and their mechanisms for free radical-mediated grafting is given. Structural characterization methods of the graft products, including thin-layer chromatography (TLC), ultraviolet-visible (UV-vis) spectroscopy, Fourier transform infrared (FT-IR) spectroscopy, nuclear magnetic resonance (NMR) analysis, and X-ray diffraction (XRD) are introduced. Furthermore, the biological properties of polyphenol-polysaccharide conjugates are also presented, including antioxidant, antibacterial, antidiabetic, and neuroprotection activities, etc. Moreover, the potential applications of polyphenol-polysaccharide conjugates are described. Finally, the challenges and research prospects of graft products are summarized.
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Affiliation(s)
- Wenting Zhang
- Xuzhou Institute of Agricultural Sciences, Jiangsu Xuhuai District, Xuzhou 221131, China; (W.Z.); (F.N.); (R.Y.); (Y.Z.); (H.Z.); (C.M.); (S.D.)
- School of Life Sciences, Jiangsu Normal University, Xuzhou 221116, China;
| | - Jian Sun
- Xuzhou Institute of Agricultural Sciences, Jiangsu Xuhuai District, Xuzhou 221131, China; (W.Z.); (F.N.); (R.Y.); (Y.Z.); (H.Z.); (C.M.); (S.D.)
| | - Qiang Li
- Xuzhou Institute of Agricultural Sciences, Jiangsu Xuhuai District, Xuzhou 221131, China; (W.Z.); (F.N.); (R.Y.); (Y.Z.); (H.Z.); (C.M.); (S.D.)
| | - Chanmin Liu
- School of Life Sciences, Jiangsu Normal University, Xuzhou 221116, China;
| | - Fuxiang Niu
- Xuzhou Institute of Agricultural Sciences, Jiangsu Xuhuai District, Xuzhou 221131, China; (W.Z.); (F.N.); (R.Y.); (Y.Z.); (H.Z.); (C.M.); (S.D.)
| | - Ruixue Yue
- Xuzhou Institute of Agricultural Sciences, Jiangsu Xuhuai District, Xuzhou 221131, China; (W.Z.); (F.N.); (R.Y.); (Y.Z.); (H.Z.); (C.M.); (S.D.)
| | - Yi Zhang
- Xuzhou Institute of Agricultural Sciences, Jiangsu Xuhuai District, Xuzhou 221131, China; (W.Z.); (F.N.); (R.Y.); (Y.Z.); (H.Z.); (C.M.); (S.D.)
| | - Hong Zhu
- Xuzhou Institute of Agricultural Sciences, Jiangsu Xuhuai District, Xuzhou 221131, China; (W.Z.); (F.N.); (R.Y.); (Y.Z.); (H.Z.); (C.M.); (S.D.)
| | - Chen Ma
- Xuzhou Institute of Agricultural Sciences, Jiangsu Xuhuai District, Xuzhou 221131, China; (W.Z.); (F.N.); (R.Y.); (Y.Z.); (H.Z.); (C.M.); (S.D.)
| | - Shaoying Deng
- Xuzhou Institute of Agricultural Sciences, Jiangsu Xuhuai District, Xuzhou 221131, China; (W.Z.); (F.N.); (R.Y.); (Y.Z.); (H.Z.); (C.M.); (S.D.)
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14
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López-Valverde N, López-Valverde A, Montero J, Rodríguez C, Macedo de Sousa B, Aragoneses JM. Antioxidant, anti-inflammatory and antimicrobial activity of natural products in periodontal disease: a comprehensive review. Front Bioeng Biotechnol 2023; 11:1226907. [PMID: 37600299 PMCID: PMC10435350 DOI: 10.3389/fbioe.2023.1226907] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 07/27/2023] [Indexed: 08/22/2023] Open
Abstract
Periodontal diseases (PD) are common chronic inflammatory oral pathologies that are strongly linked to others not found in the mouth cavity. The immune system mediates the host response, which includes the upregulation of proinflammatory cytokines, metalloproteinases, and reactive oxygen species (ROS); the latter may play an important role in the establishment and progression of inflammatory diseases, particularly periodontal disease, via the development of oxidative stress (OS). Natural antioxidants have powerful anti-inflammatory properties, and some can reduce serum levels of key PD indicators such tumor necrosis factor (TNF) and interleukin IL-1. This review compiles, through a thorough literature analysis, the antioxidant, anti-inflammatory, and antibacterial effects of a variety of natural products, as well as their therapeutic potential in the treatment of PD.
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Affiliation(s)
- Nansi López-Valverde
- Department of Medicine and Medical Specialties, Faculty of Health Sciences, Universidad Alcalá de Henares, Madrid, Spain
- Instituto de Investigación Biomédica de Salamanca (IBSAL), Madrid, Spain
| | - Antonio López-Valverde
- Department of Surgery, Instituto de Investigación Biomédica de Salamanca (IBSAL), University of Salamanca, Salamanca, Spain
| | - Javier Montero
- Department of Surgery, Instituto de Investigación Biomédica de Salamanca (IBSAL), University of Salamanca, Salamanca, Spain
| | - Cinthia Rodríguez
- Department of Dentistry, Universidad Federico Henríquez y Carvajal, Santo Domingo, Dominican Republic
| | - Bruno Macedo de Sousa
- Institute for Occlusion and Orofacial Pain Faculty of Medicine, University of Coimbra, Coimbra, Portugal
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15
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Ibrahim MA, Alhalafi MH, Emam EAM, Ibrahim H, Mosaad RM. A Review of Chitosan and Chitosan Nanofiber: Preparation, Characterization, and Its Potential Applications. Polymers (Basel) 2023; 15:2820. [PMID: 37447465 DOI: 10.3390/polym15132820] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 06/13/2023] [Accepted: 06/15/2023] [Indexed: 07/15/2023] Open
Abstract
Chitosan is produced by deacetylating the abundant natural chitin polymer. It has been employed in a variety of applications due to its unique solubility as well as its chemical and biological properties. In addition to being biodegradable and biocompatible, it also possesses a lot of reactive amino side groups that allow for chemical modification and the creation of a wide range of useful derivatives. The physical and chemical characteristics of chitosan, as well as how it is used in the food, environmental, and medical industries, have all been covered in a number of academic publications. Chitosan offers a wide range of possibilities in environmentally friendly textile processes because of its superior absorption and biological characteristics. Chitosan has the ability to give textile fibers and fabrics antibacterial, antiviral, anti-odor, and other biological functions. One of the most well-known and frequently used methods to create nanofibers is electrospinning. This technique is adaptable and effective for creating continuous nanofibers. In the field of biomaterials, new materials include nanofibers made of chitosan. Numerous medications, including antibiotics, chemotherapeutic agents, proteins, and analgesics for inflammatory pain, have been successfully loaded onto electro-spun nanofibers, according to recent investigations. Chitosan nanofibers have several exceptional qualities that make them ideal for use in important pharmaceutical applications, such as tissue engineering, drug delivery systems, wound dressing, and enzyme immobilization. The preparation of chitosan nanofibers, followed by a discussion of the biocompatibility and degradation of chitosan nanofibers, followed by a description of how to load the drug into the nanofibers, are the first issues highlighted by this review of chitosan nanofibers in drug delivery applications. The main uses of chitosan nanofibers in drug delivery systems will be discussed last.
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Affiliation(s)
- Marwan A Ibrahim
- Department of Biology, College of Science, Majmaah University, Al-Majmaah 11952, Saudi Arabia
- Faculty of Women for Arts, Science and Education, Ain Shams University, Cairo 11566, Egypt
| | - Mona H Alhalafi
- Department of Chemistry, College of Science, Majmaah University, Al-Majmaah 11952, Saudi Arabia
| | - El-Amir M Emam
- Faculty of Applied Arts, Textile Printing, Dyeing and Finishing Department, Helwan University, Cairo 11795, Egypt
| | - Hassan Ibrahim
- Pretreatment and Finishing of Cellulosic Fibers Department, Textile Research and Technology Institute, National Research Centre, Cairo 12622, Egypt
| | - Rehab M Mosaad
- Department of Biology, College of Science, Majmaah University, Al-Majmaah 11952, Saudi Arabia
- Faculty of Women for Arts, Science and Education, Ain Shams University, Cairo 11566, Egypt
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16
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Teotia A, Laurén I, Borandeh S, Seppälä J. Quaternized Chitosan Derivatives as Viable Antiviral Agents: Structure-Activity Correlations and Mechanisms of Action. ACS APPLIED MATERIALS & INTERFACES 2023; 15:18707-18719. [PMID: 37014147 PMCID: PMC10119858 DOI: 10.1021/acsami.3c01421] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 03/27/2023] [Indexed: 06/19/2023]
Abstract
Cationic polysaccharides have demonstrated significant antimicrobial properties and have great potential in medical applications, where the antiviral activity is of great interest. As of today, alcohols and oxidizing agents are commonly used as antiviral disinfectants. However, these compounds are not environmentally safe, have short activity periods, and may cause health issues. Therefore, this study aimed to develop metal-free and environmentally friendly quaternary chitosans (QCs) with excellent long-lasting virucidal activity. To evaluate this, both single and double QCs were obtained using AETMAC ([2-(acryloyloxy)ethyl]-trimethylammonium chloride) and GTMAC (glycidyl trimethylammonium chloride) quaternary precursors. Further, this study investigated the influence of the quaternary functional group, charge density, and molecular weight (Mw) on the antiviral properties of QCs. It is proposed that the higher charge density, along with the length of alkyl linkers, and hydrophobic interactions affected the antiviral activity of QCs. The findings demonstrated that heterogeneously functionalized chitosan exhibited excellent antiviral activity against both the enveloped virus φ6 and the nonenveloped viruses φX174 and MS2. These quaternized chitosan derivatives have promising potential as viable antiviral agents, as hand/surface sanitizers, or in other biomedical applications.
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17
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Jiao S, Zhang X, Cai H, Wu S, Ou X, Han G, Zhao J, Li Y, Guo W, Liu T, Qu W. Recent advances in biomimetic hemostatic materials. Mater Today Bio 2023; 19:100592. [PMID: 36936399 PMCID: PMC10020683 DOI: 10.1016/j.mtbio.2023.100592] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Revised: 02/21/2023] [Accepted: 02/22/2023] [Indexed: 02/26/2023] Open
Abstract
Although the past decade has witnessed unprecedented medical advances, achieving rapid and effective hemostasis remains challenging. Uncontrolled bleeding and wound infections continue to plague healthcare providers, increasing the risk of death. Various types of hemostatic materials are nowadays used during clinical practice but have many limitations, including poor biocompatibility, toxicity and biodegradability. Recently, there has been a burgeoning interest in organisms that stick to objects or produce sticky substances. Indeed, applying biological adhesion properties to hemostatic materials remains an interesting approach. This paper reviews the biological behavior, bionics, and mechanisms related to hemostasis. Furthermore, this paper covers the benefits, challenges and prospects of biomimetic hemostatic materials.
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Affiliation(s)
- Simin Jiao
- Department of Gastrointestinal Nutrition and Hernia Surgery, The Second Hospital of Jilin University, 218 Ziqiang Street, Changchun, 130041, PR China
| | - Xi Zhang
- Department of Burn Surgery, The First Hospital of Jilin University, 71 Xinmin Street, Changchun, 130021, PR China
| | - Hang Cai
- Department of Pharmacy, The Second Hospital of Jilin University, Changchun, 130041, PR China
| | - Siyu Wu
- Department of Hand Surgery, The Second Hospital of Jilin University, 218 Ziqiang Street, Changchun, 130041, PR China
| | - Xiaolan Ou
- Department of Hand Surgery, The Second Hospital of Jilin University, 218 Ziqiang Street, Changchun, 130041, PR China
| | - Guangda Han
- Department of Gastrointestinal Nutrition and Hernia Surgery, The Second Hospital of Jilin University, 218 Ziqiang Street, Changchun, 130041, PR China
| | - Jie Zhao
- Key Laboratory of Bionic Engineering, Ministry of Education, Jilin University, Changchun, 130022, PR China
| | - Yan Li
- Trauma and Reparative Medicine, Karolinska University Hospital, Stockholm, Sweden
- The Division of Orthopedics and Biotechnology, Department of Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institutet, Stockholm, Sweden
| | - Wenlai Guo
- Department of Hand Surgery, The Second Hospital of Jilin University, 218 Ziqiang Street, Changchun, 130041, PR China
- Corresponding author.
| | - Tianzhou Liu
- Department of Gastrointestinal Nutrition and Hernia Surgery, The Second Hospital of Jilin University, 218 Ziqiang Street, Changchun, 130041, PR China
- Corresponding author.
| | - Wenrui Qu
- Department of Hand Surgery, The Second Hospital of Jilin University, 218 Ziqiang Street, Changchun, 130041, PR China
- Corresponding author.
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18
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Pauli FP, Freitas CS, Pereira PR, Magalhães A, de Carvalho da Silva F, Paschoalin VMF, Ferreira VF. Exploring the Antimicrobial and Antitumoral Activities of Naphthoquinone-Grafted Chitosans. Polymers (Basel) 2023; 15:polym15061430. [PMID: 36987212 PMCID: PMC10053705 DOI: 10.3390/polym15061430] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2023] [Revised: 02/24/2023] [Accepted: 03/07/2023] [Indexed: 03/15/2023] Open
Abstract
Biopolymers obtained from natural macromolecules are noteworthy among materials presenting high biocompatibility and adequate biodegradability, as is the case of chitosan (CS), making this biopolymeric compound a suitable drug delivery system. Herein, chemically-modified CS were synthetized using 2,3-dichloro-1,4-naphthoquinone (1,4-NQ) and the sodium salt of 1,2-naphthoquinone-4-sulfonic acid (1,2-NQ), producing 1,4-NQ-CS and 1,2-NQ-CS by three different methods, employing an ethanol and water mixture (EtOH:H2O), EtOH:H2O plus triethylamine and dimethylformamide. The highest substitution degree (SD) of 0.12 was achieved using water/ethanol and triethylamine as the base for 1,4-NQ-CS and 0.54 for 1,2-NQ-CS. All synthesized products were characterized by FTIR, elemental analysis, SEM, TGA, DSC, Raman, and solid-state NMR, confirming the CS modification with 1,4-NQ and 1,2-NQ. Chitosan grafting to 1,4-NQ displayed superior antimicrobial activities against Staphylococcus aureus and Staphylococcus epidermidis associated with improved cytotoxicity and efficacy, indicated by high therapeutic indices, ensuring safe application to human tissue. Although 1,4-NQ-CS inhibited the growth of human mammary adenocarcinoma cells (MDA-MB-231), it is accompanied by cytotoxicity and should be considered with caution. The findings reported herein emphasize that 1,4-NQ-grafted CS may be useful in protecting injured tissue against bacteria, commonly found in skin infections, until complete tissue recovery.
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Affiliation(s)
- Fernanda Petzold Pauli
- Departamento de Tecnologia Farmacêutica, Faculdade de Farmácia, Universidade Federal Fluminense, Niterói 24241-000, Brazil;
| | - Cyntia Silva Freitas
- Departamento de Bioquímica, Instituto de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-909, Brazil; (C.S.F.); (P.R.P.)
| | - Patricia Ribeiro Pereira
- Departamento de Bioquímica, Instituto de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-909, Brazil; (C.S.F.); (P.R.P.)
| | - Alviclér Magalhães
- Departamento de Química Orgânica, Instituto de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-909, Brazil;
| | | | - Vania M. F. Paschoalin
- Departamento de Bioquímica, Instituto de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-909, Brazil; (C.S.F.); (P.R.P.)
- Correspondence: (V.M.F.P.); (V.F.F.)
| | - Vitor Francisco Ferreira
- Departamento de Tecnologia Farmacêutica, Faculdade de Farmácia, Universidade Federal Fluminense, Niterói 24241-000, Brazil;
- Correspondence: (V.M.F.P.); (V.F.F.)
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19
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Sahariah P, Kontogianni GI, Scoulica E, Sigurjonsson OE, Chatzinikolaidou M. Structure-activity relationship for antibacterial chitosan carrying cationic and hydrophobic moieties. Carbohydr Polym 2023; 312:120796. [PMID: 37059519 DOI: 10.1016/j.carbpol.2023.120796] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Revised: 03/04/2023] [Accepted: 03/06/2023] [Indexed: 03/16/2023]
Abstract
To overcome the problem of antibiotic resistance and toxicity of synthetic polymers, herein we report the synthesis of biocompatible polymers which can serve as broad spectrum antimicrobials. A regioselective synthetic method was developed to synthesize N-functionalized chitosan polymers having similar degree of substitution of cationic and hydrophobic functionality with different lipophilic chains. We obtained optimum antibacterial effect by utilizing the combination of cationic and longer lipophilic chain in the polymer, against four bacterial strains. Inhibition and killing of bacteria were more pronounced in Gram positive bacteria than in Gram negative bacteria. Growth kinetics and scanning electron microscopy imaging of the polymer treated bacterial cells confirmed the inhibition of bacterial growth, morphological changes in the structure and membrane disruption in the cells as compared to the growth control for each strain. Further investigation into the toxicity and selectivity of the polymers guided us to develop a structure-activity relationship for this class of biocompatible polymers.
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Deposition of Chitosan on Plasma-Treated Polymers-A Review. Polymers (Basel) 2023; 15:polym15051109. [PMID: 36904353 PMCID: PMC10007447 DOI: 10.3390/polym15051109] [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: 01/08/2023] [Revised: 02/10/2023] [Accepted: 02/21/2023] [Indexed: 02/25/2023] Open
Abstract
Materials for biomedical applications often need to be coated to enhance their performance, such as their biocompatibility, antibacterial, antioxidant, and anti-inflammatory properties, or to assist the regeneration process and influence cell adhesion. Among naturally available substances, chitosan meets the above criteria. Most synthetic polymer materials do not enable the immobilization of the chitosan film. Therefore, their surface should be altered to ensure the interaction between the surface functional groups and the amino or hydroxyl groups in the chitosan chain. Plasma treatment can provide an effective solution to this problem. This work aims to review plasma methods for surface modification of polymers for improved chitosan immobilization. The obtained surface finish is explained in view of the different mechanisms involved in treating polymers with reactive plasma species. The reviewed literature showed that researchers usually use two different approaches: direct immobilization of chitosan on the plasma-treated surface or indirect immobilization by additional chemistry and coupling agents, which are also reviewed. Although plasma treatment leads to remarkably improved surface wettability, this was not the case for chitosan-coated samples, where a wide range of wettability was reported ranging from almost superhydrophilic to hydrophobic, which may have a negative effect on the formation of chitosan-based hydrogels.
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21
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Radu ER, Pandele AM, Tuncel C, Miculescu F, Voicu SI. Preparation and Characterization of Chitosan/LDH Composite Membranes for Drug Delivery Application. MEMBRANES 2023; 13:179. [PMID: 36837682 PMCID: PMC9965179 DOI: 10.3390/membranes13020179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 01/23/2023] [Accepted: 01/30/2023] [Indexed: 06/18/2023]
Abstract
In this study, composite membranes based on chitosan (CS), layered double hydroxide (LDH), and diclofenac were prepared via dispersing of LDH and diclofenac (DCF) in the chitosan matrix for gradual delivery of diclofenac sodium. The effect of using LDH in composites was compared to chitosan loaded with diclofenac membrane. LDH was added in order to develop a system with a long release of diclofenac sodium, which is used in inflammatory conditions as an anti-inflammatory drug. The prepared composite membranes were characterized by Fourier Transform Infrared Spectroscopy (FT-IR), Scanning Electron Microscope Analysis (SEM), X-ray Photoelectron Spectroscopy (XPS), Thermogravimetric Analysis (TGA) and UV-Vis Spectroscopy. The results of the FTIR and XPS analyses confirmed the obtaining of the composite membrane and the efficient incorporation of diclofenac. It was observed that the addition of LDH can increase the thermal stability of the composite membrane and favors the gradual release of diclofenac, highlighted by UV-Vis spectra that showed a gradual release in the first 48 h. In conclusion, the composite membrane based on CS-LDH can be used in potential drug delivery application.
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Affiliation(s)
- Elena-Ruxandra Radu
- Department of Analytical Chemistry and Environmental Engineering, Faculty of Chemical Engineering and Biotechnologies University Politehnica of Bucharest, 011061 Bucharest, Romania
- Advanced Polymers Materials Group, University Politehnica of Bucharest, 011061 Bucharest, Romania
| | - Andreea Madalina Pandele
- Advanced Polymers Materials Group, University Politehnica of Bucharest, 011061 Bucharest, Romania
| | - Cristina Tuncel
- Department of Analytical Chemistry and Environmental Engineering, Faculty of Chemical Engineering and Biotechnologies University Politehnica of Bucharest, 011061 Bucharest, Romania
- Advanced Polymers Materials Group, University Politehnica of Bucharest, 011061 Bucharest, Romania
| | - Florin Miculescu
- Department of Metallic Materials Science, Physical Metallurgy, University Politehnica of Bucharest, 313 Splaiul Independentei, J Building, 060042 Bucharest, Romania
| | - Stefan Ioan Voicu
- Department of Analytical Chemistry and Environmental Engineering, Faculty of Chemical Engineering and Biotechnologies University Politehnica of Bucharest, 011061 Bucharest, Romania
- Advanced Polymers Materials Group, University Politehnica of Bucharest, 011061 Bucharest, Romania
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22
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Chitosan-Polyphenol Conjugates for Human Health. Life (Basel) 2022; 12:life12111768. [DOI: 10.3390/life12111768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Revised: 10/21/2022] [Accepted: 10/27/2022] [Indexed: 11/06/2022] Open
Abstract
Human health deteriorates due to the generation and accumulation of free radicals that induce oxidative stress, damaging proteins, lipids, and nucleic acids; this has become the leading cause of many deadly diseases such as cardiovascular, cancer, neurodegenerative, diabetes, and inflammation. Naturally occurring polyphenols have tremendous therapeutic potential, but their short biological half-life and rapid metabolism limit their use. Recent advancements in polymer science have provided numerous varieties of natural and synthetic polymers. Chitosan is widely used due to its biomimetic properties which include biodegradability, biocompatibility, inherent antimicrobial activity, and antioxidant properties. However, due to low solubility in water and the non-availability of the H-atom donor, the practical use of chitosan as an antioxidant is limited. Therefore, chitosan has been conjugated with polyphenols to overcome the limitations of both chitosan and polyphenol, along with increasing the potential synergistic effects of their combination for therapeutic applications. Though many methods have been evolved to conjugate chitosan with polyphenol through activated ester-modification, enzyme-mediated, and free radical induced are the most widely used strategies. The therapeutic efficiency of chitosan-polyphenol conjugates has been investigated for various disease treatments caused by ROS that have shown favorable outcomes and tremendous results. Hence, the present review focuses on the recent advancement of different strategies of chitosan-polyphenol conjugate formation with their advantages and limitations. Furthermore, the therapeutic applicability of the combinatorial efficiency of chitosan-based conjugates formed using Gallic Acid, Curcumin, Catechin, and Quercetin in human health has been described in detail.
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23
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Lin Y, Chen J, Mai Y, Chen L, Chen Z, Wang G, Deng L, Xu P, Yuan C, Jiang L, Huang M. Double-Grafted PET Fiber Material to Remove Airborne Bacteria with High Efficiency. ACS APPLIED MATERIALS & INTERFACES 2022; 14:47003-47013. [PMID: 36214495 DOI: 10.1021/acsami.2c13358] [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: 06/16/2023]
Abstract
Air pollution caused by bacteria and viruses has posed a serious threat to public health. Commercial air purifiers based on dense fibrous filters can remove particulate matter, including airborne pathogens, but do not kill them efficiently. Here, we developed a double-grafted antibacterial fiber material for the high-efficiency capture and inactivation of airborne microorganisms. Tetracarboxyl phthalocyanine zinc, a photosensitizer, was first grafted onto the polyester (PET) fiber, followed by coating with chitosan on the surface of PET fiber to make a double-grafted fiber material. Under the irradiation of light with a specific wavelength (680 nm), double-grafted fiber materials killed up to 99.99% of Gram-positive bacteria and Gram-negative bacteria and had a significant antibacterial effect on drug-resistant bacteria. The double-grafted PET fiber showed broad-spectrum antibacterial activities and was capable to inactivate drug-resistant bacteria. Notably, in filtration experiments for airborne bacteria, this double-grafted PET fiber demonstrated a high bacteria capture efficiency (95.68%) better than the untreated PET fiber (64.87%). Besides, the double-grafted PET fiber was capable of efficiently killing airborne bacteria. This work provides a new idea for the development of air filtration materials that can efficiently kill airborne pathogen and has good biosafety.
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Affiliation(s)
- Yuxin Lin
- College of Chemistry, Fuzhou University, Fujian350108, China
| | - Jingyi Chen
- College of Chemistry, Fuzhou University, Fujian350108, China
| | - Yuhan Mai
- College of Chemistry, Fuzhou University, Fujian350108, China
| | - Liyun Chen
- College of Chemistry, Fuzhou University, Fujian350108, China
| | - Zheng Chen
- College of Chemistry, Fuzhou University, Fujian350108, China
| | - Guodong Wang
- College of Chemistry, Fuzhou University, Fujian350108, China
| | - Lina Deng
- College of Chemistry, Fuzhou University, Fujian350108, China
| | - Peng Xu
- College of Biological Science and Engineering, Fuzhou University, Fuzhou, Fujian350108, China
| | - Cai Yuan
- College of Biological Science and Engineering, Fuzhou University, Fuzhou, Fujian350108, China
| | - Longguang Jiang
- College of Chemistry, Fuzhou University, Fujian350108, China
| | - Mingdong Huang
- College of Chemistry, Fuzhou University, Fujian350108, China
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24
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Ojeda-Hernández DD, Canales-Aguirre AA, Matias-Guiu JA, Matias-Guiu J, Gómez-Pinedo U, Mateos-Díaz JC. Chitosan–Hydroxycinnamic Acids Conjugates: Emerging Biomaterials with Rising Applications in Biomedicine. Int J Mol Sci 2022; 23:ijms232012473. [PMID: 36293330 PMCID: PMC9604192 DOI: 10.3390/ijms232012473] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 10/13/2022] [Accepted: 10/15/2022] [Indexed: 11/16/2022] Open
Abstract
Over the past thirty years, research has shown the huge potential of chitosan in biomedical applications such as drug delivery, tissue engineering and regeneration, cancer therapy, and antimicrobial treatments, among others. One of the major advantages of this interesting polysaccharide is its modifiability, which facilitates its use in tailor-made applications. In this way, the molecular structure of chitosan has been conjugated with multiple molecules to modify its mechanical, biological, or chemical properties. Here, we review the conjugation of chitosan with some bioactive molecules: hydroxycinnamic acids (HCAs); since these derivatives have been probed to enhance some of the biological effects of chitosan and to fine-tune its characteristics for its application in the biomedical field. First, the main characteristics of chitosan and HCAs are presented; then, the currently employed conjugation strategies between chitosan and HCAs are described; and, finally, the studied biomedical applications of these derivatives are discussed to present their limitations and advantages, which could lead to proximal therapeutic uses.
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Affiliation(s)
- Doddy Denise Ojeda-Hernández
- Laboratory of Neurobiology, Institute of Neurosciences, IdISSC, Hospital Clínico San Carlos, Universidad Complutense de Madrid, 28040 Madrid, Spain
| | - Alejandro A. Canales-Aguirre
- Preclinical Evaluation Unit, Medical and Pharmaceutical Biotechnology Unit, CIATEJ-CONACyT, Guadalajara 44270, Mexico
| | - Jordi A. Matias-Guiu
- Department of Neurology, Institute of Neurosciences, IdISSC, Hospital Clínico San Carlos, Universidad Complutense de Madrid, 28040 Madrid, Spain
| | - Jorge Matias-Guiu
- Laboratory of Neurobiology, Institute of Neurosciences, IdISSC, Hospital Clínico San Carlos, Universidad Complutense de Madrid, 28040 Madrid, Spain
- Department of Neurology, Institute of Neurosciences, IdISSC, Hospital Clínico San Carlos, Universidad Complutense de Madrid, 28040 Madrid, Spain
| | - Ulises Gómez-Pinedo
- Laboratory of Neurobiology, Institute of Neurosciences, IdISSC, Hospital Clínico San Carlos, Universidad Complutense de Madrid, 28040 Madrid, Spain
- Correspondence: (U.G.-P.); (J.C.M.-D.)
| | - Juan Carlos Mateos-Díaz
- Department of Industrial Biotechnology, CIATEJ-CONACyT, Zapopan 45019, Mexico
- Correspondence: (U.G.-P.); (J.C.M.-D.)
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25
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Wang Q, Chen W, Ma C, Chen S, Liu X, Liu F. Enzymatic synthesis of sodium caseinate-EGCG-carboxymethyl chitosan ternary film: Structure, physical properties, antioxidant and antibacterial properties. Int J Biol Macromol 2022; 222:509-520. [PMID: 36122777 DOI: 10.1016/j.ijbiomac.2022.09.138] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 09/06/2022] [Accepted: 09/15/2022] [Indexed: 11/05/2022]
Abstract
Proteins and polysaccharides have been frequently used in recent years to prepare environment-friendly packaging materials. However, films based on proteins or polysaccharides alone often have poor performance as packaging, so they need to be combined to improve properties. In this work, we applied enzyme technology to prepare sodium caseinate (SC)-carboxymethyl chitosan (CMC) films, incorporating epigallocatechin gallate (EGCG) as bridging molecules and antibacterial agents. SC-EGCG-CMC ternary conjugate was firstly synthesized by tyrosinase (Tyr), and the composite films were then prepared with the aid of glycerol. Under tyrosinase catalytic conditions, EGCG could cross-link with SC and CMC covalently. The effects of different concentrations of EGCG and tyrosinase on mechanical properties, water vapor permeability, antibacterial properties and free radical scavenging ability were studied. The crosslinking degree and mechanical properties were improved with the increase of EGCG and tyrosinase content. The film showed good antibacterial activity against Gram-positive bacteria. In addition, the antibacterial activity and free radical scavenging ability increased with the increase of EGCG concentration. This work provides an efficient enzymatic method to prepare films with good strength and antibacterial properties, which can be used to improve the storage quality of foods.
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Affiliation(s)
- Qiankun Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Wenzhang Chen
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Cuicui Ma
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China.
| | - Shuai Chen
- School of Public Health, Wuhan University, 430071, China
| | - Xuebo Liu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Fuguo Liu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China.
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26
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Antiulcerogenic and Antibacterial Effects of Chitosan Derivatives on Experimental Gastric Ulcers in Rats. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:4743041. [PMID: 36159581 PMCID: PMC9507741 DOI: 10.1155/2022/4743041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Accepted: 08/27/2022] [Indexed: 11/18/2022]
Abstract
Gastric ulcer is an injury that develops on the lining of the stomach due to an imbalance between aggressive and defensive agents. Chitosan derivatives demonstrate promising biological activities in accelerating the healing activity of gastric lesions. Thus, this study aimed at investigating the healing activity of gastric lesion, induced by acetic acid (80%), of the chitosan derivative with acetylacetone (Cac) modified with ethylenediamine (Cacen) or diethylenetriamine (Cacdien). The biological activity was determined based on cytotoxicity, antibacterial activity, and gastroprotective activities. The results showed no significant difference in the cytotoxicity, a better antibacterial activity against S. aureus and E. coli, and a positive result on the healing of gastric lesions of the materials (Cac 18.4%, Cacen 55.2%, and Cacdien 68.1%) compared to pure chitosan (50.7%). Therefore, the results indicate that derivatives of chitosan are promising biomaterials for application in the control of lesions on the gastric mucosa.
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27
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Teng X, Zhang M, Mujumdar AS, Wang H. Garlic essential oil microcapsules prepared using gallic acid grafted chitosan: Effect on nitrite control of prepared vegetable dishes during storage. Food Chem 2022; 388:132945. [PMID: 35472626 DOI: 10.1016/j.foodchem.2022.132945] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 04/05/2022] [Accepted: 04/07/2022] [Indexed: 11/29/2022]
Abstract
In order to lower the nitrite content in prepared vegetable dishes (PVDs) within a week, microcapsules loaded with garlic essential oils (GEO) were prepared using modified chitosan (CS) with different mass ratios of gallic acid (GA) to CS, and their physicochemical properties were determined. The effects of GEO alone and of microcapsules made using native CS and GA-CS (GA-grafted CS) with the highest conjugation degree on the nitrite content in PVDS were measured quantitatively. Also, the reasons for the differences were identified. The results showed that the microcapsules prepared using GA-CS (at a mass ratio of 0.5:1) presented the best physicochemical properties, including antioxidant activity, encapsulation efficiency, sustained release, etc. GA-CS microcapsules enhanced growth inhibition of bacteria producing nitrites, thus showing its excellent ability to inhibit nitrites, compared to GEO alone and microcapsules made using native CS. GA-CS encapsulation is a new option to lower the nitrite content in PVDs.
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Affiliation(s)
- Xiuxiu Teng
- State Key Laboratory of Food Science and Technology, Jiangnan University, 214122 Wuxi, Jiangsu, China; International Joint Laboratory on Food Safety, Jiangnan University, 214122 Wuxi, Jiangsu, China
| | - Min Zhang
- State Key Laboratory of Food Science and Technology, Jiangnan University, 214122 Wuxi, Jiangsu, China; International Joint Laboratory on Food Safety, Jiangnan University, 214122 Wuxi, Jiangsu, China.
| | - Arun S Mujumdar
- Department of Bioresource Engineering, Macdonald College, McGill University, Ste. Anne de Bellevue, Quebec, Canada
| | - Hongqiang Wang
- Tianwei Food Group Incorporated Company, Chengdu, Sichuan 610000, China
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28
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López-Valverde N, Aragoneses J, López-Valverde A, Rodríguez C, Macedo de Sousa B, Aragoneses JM. Role of chitosan in titanium coatings. trends and new generations of coatings. Front Bioeng Biotechnol 2022; 10:907589. [PMID: 35935477 PMCID: PMC9354072 DOI: 10.3389/fbioe.2022.907589] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Accepted: 07/04/2022] [Indexed: 01/03/2023] Open
Abstract
Survival studies of dental implants currently reach high figures. However, considering that the recipients are middle-aged individuals with associated pathologies, research is focused on achieving bioactive surfaces that ensure osseointegration. Chitosan is a biocompatible, degradable polysaccharide with antimicrobial and anti-inflammatory properties, capable of inducing increased growth and fixation of osteoblasts around chitosan-coated titanium. Certain chemical modifications to its structure have been shown to enhance its antibacterial activity and osteoinductive properties and it is generally believed that chitosan-coated dental implants may have enhanced osseointegration capabilities and are likely to become a commercial option in the future. Our review provided an overview of the current concepts and theories of osseointegration and current titanium dental implant surfaces and coatings, with a special focus on the in vivo investigation of chitosan-coated implants and a current perspective on the future of titanium dental implant coatings.
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Affiliation(s)
- Nansi López-Valverde
- Department of Medicine and Medical Specialties, Faculty of Health Sciences, Universidad Alcalá de Henares, Madrid, Spain
| | - Javier Aragoneses
- Department of Medicine and Medical Specialties, Faculty of Health Sciences, Universidad Alcalá de Henares, Madrid, Spain
| | - Antonio López-Valverde
- Department of Surgery, University of Salamanca, Instituto de Investigación Biomédica de Salamanca (IBSAL), Salamanca, Spain
- *Correspondence: Antonio López-Valverde,
| | - Cinthia Rodríguez
- Department of Dentistry, Universidad Federico Henríquez y Carvajal, Santo Domingo, Dominican Republic
| | - Bruno Macedo de Sousa
- Institute for Occlusion and Orofacial Pain, Faculty of Medicine, University of Coimbra, Polo I‐Edifício Central Rua Larga, Coimbra, Portugal
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29
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Lima R, Fernandes C, Pinto MMM. Molecular modifications, biological activities, and applications of chitosan and derivatives: A recent update. Chirality 2022; 34:1166-1190. [PMID: 35699356 DOI: 10.1002/chir.23477] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 05/13/2022] [Accepted: 05/14/2022] [Indexed: 11/12/2022]
Abstract
Polysaccharides arouse great interest due to their structure and unique properties, such as biocompatibility, biodegradability, and absence of toxicity. Polysaccharides from marine sources are particularly useful due to the wide variety of applications and biological activities. Chitosan, a deacetylated derivative of chitin, is an example of an interesting bioactive marine-derived polysaccharide. Moreover, a wide variety of chemical modifications and conjugation of chitosan with other bioactive molecules are responsible for improvements in physicochemical properties and biological activities, expanding the range of applications. An overview of the synthetic approaches for preparing chitosan, chitosan derivatives, and conjugates is described and discussed. A recent update of the biological activities and applications in different research fields, mainly focused on the last 5 years, is presented, highlighting current trends.
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Affiliation(s)
- Rita Lima
- Laboratório de Química Orgânica e Farmacêutica, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Porto, Portugal.,Centro interdisciplinar de Investigação marinha e Ambiental (CIIMAR), Universidade do Porto, Matosinhos, Portugal
| | - Carla Fernandes
- Laboratório de Química Orgânica e Farmacêutica, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Porto, Portugal.,Centro interdisciplinar de Investigação marinha e Ambiental (CIIMAR), Universidade do Porto, Matosinhos, Portugal
| | - Madalena M M Pinto
- Laboratório de Química Orgânica e Farmacêutica, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Porto, Portugal.,Centro interdisciplinar de Investigação marinha e Ambiental (CIIMAR), Universidade do Porto, Matosinhos, Portugal
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30
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Amiri P, Kardan-Yamchi J, Kazemian H, Rezaei F. Antibacterial activity of chitosan-based nanohybrid membranes against drug-resistant bacterial isolates from burn wound infections. Arch Microbiol 2022; 204:303. [PMID: 35524073 DOI: 10.1007/s00203-022-02918-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 04/09/2022] [Accepted: 04/13/2022] [Indexed: 01/28/2023]
Abstract
Biocompatible and non-toxic properties of chitosan make it a candidate with excellent application prospects in developing wound dressing conjugate compounds. Six different chitosan-based nanohybrid membranes were evaluated against multidrug-resistant bacterial isolates. Different combinations of chitosan, ciprofloxacin (CIP), biofunctionalized montmorillonite (MMT), and montmorillonite with sulfate chains (SMMT) were provided, and their antibacterial activity was assessed using the colony count method. Totally, 27 drug-resistant isolates, including 6x methicillin-resistant Staphylococcus aureus, 7 vancomycin-resistant Enterococcus faecalis, 4 Acinetobacter baumannii, and 10 Pseudomonas aeruginosa isolates were identified from burn wound infections. Chitosan and montmorillonite did not show significant antibacterial effect (p > 0.05), but chitosan/SMMT/CIP was the most effective nanocomposite (p < 0.01). Chitosan-based nanocomposites with ciprofloxacin could effectively reduce the susceptibility of drug-resistant bacterial isolates. Bacterial targeting using nanosystems provides an opportunity for effective antibiotic treatment by improving antibacterial efficacy.
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Affiliation(s)
- Pouya Amiri
- Department of Microbiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Jalil Kardan-Yamchi
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran
- Department of Microbiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Hossein Kazemian
- Department of Microbiology, School of Medicine, Ilam University of Medical Sciences, Tehran, Iran
- Clinical Microbiology Research Center, Ilam University of Medical Sciences, Ilam, Iran
| | - Faranak Rezaei
- Department of Microbiology, School of Medicine, Lorestan University of Medical Sciences, Moallem Street, Khorramabad, Iran.
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31
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Khan F, Tabassum N, Bamunuarachchi NI, Kim YM. Phloroglucinol and Its Derivatives: Antimicrobial Properties toward Microbial Pathogens. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:4817-4838. [PMID: 35418233 DOI: 10.1021/acs.jafc.2c00532] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Phloroglucinol (PG) is a natural product isolated from plants, algae, and microorganisms. Aside from that, the number of PG derivatives has expanded due to the discovery of their potential biological roles. Aside from its diverse biological activities, PG and its derivatives have been widely utilized to treat microbial infections caused by bacteria, fungus, and viruses. The rapid emergence of antimicrobial-resistant microbial infections necessitates the chemical synthesis of numerous PG derivatives in order to meet the growing demand for drugs. This review focuses on the use of PG and its derivatives to control microbial infection and the underlying mechanism of action. Furthermore, as future perspectives, some of the various alternative strategies, such as the use of PG and its derivatives in conjugation, nanoformulation, antibiotic combination, and encapsulation, have been thoroughly discussed. This review will enable the researcher to investigate the possible antibacterial properties of PG and its derivatives, either free or in the form of various formulations.
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Affiliation(s)
- Fazlurrahman Khan
- Research Center for Marine Integrated Bionics Technology, Pukyong National University, Busan 48513, Republic of Korea
| | - Nazia Tabassum
- Industry 4.0 Convergence Bionics Engineering, Pukyong National University, Busan 48513, Republic of Korea
| | | | - Young-Mog Kim
- Research Center for Marine Integrated Bionics Technology, Pukyong National University, Busan 48513, Republic of Korea
- Department of Food Science and Technology, Pukyong National University, Busan 48513, Republic of Korea
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32
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Adamczuk A, Jozefaciuk G. Impact of Chitosan on the Mechanical Stability of Soils. Molecules 2022; 27:molecules27072273. [PMID: 35408671 PMCID: PMC9000621 DOI: 10.3390/molecules27072273] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 03/25/2022] [Accepted: 03/30/2022] [Indexed: 02/04/2023] Open
Abstract
Chitosan is becoming increasingly applied in agriculture, mostly as a powder, however little is known about its effect on soil mechanical properties. Uniaxial compression test was performed for cylindrical soil aggregates prepared from four soils of various properties (very acidic Podzol, acidic Arenosol, neutral Fluvisol and alkaline Umbrisol) containing different proportions of two kinds of chitosan (CS1 of higher molecular mass and lower deacetylation degree, and CS2 of lower molecular mass and higher deacetylation degree), pretreated with 1 and 10 wetting–drying cycles. In most cases increasing chitosan rates successively decreased the mechanical stability of soils that was accompanied by a tendential increase in soil porosity. In one case (Fluvisol treated with CS2) the porosity decreased and mechanical stability increased with increasing chitosan dose. The behavior of acidic soils (Podzol and Arenosol) treated with CS2, differed from the other soils: after an initial decrease, the strength of aggregates increased with increasing chitosan amendment, despite the porosity consequently decreasing. After 10 wetting–drying cycles, the strength of the aggregates of acidic soils appeared to increase while it decreased for neutral and alkaline soils. Possible mechanisms of soil–chitosan interactions affecting mechanical strength are discussed and linked with soil water stability and wettability.
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33
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Thonglao N, Pakkulnan R, Paluka J, Chareonsudjai P, Kanokmedhakul S, Kanokmedhakul K, Chareonsudjai S. Chitosan biological molecule improves bactericidal competence of ceftazidime against Burkholderia pseudomallei biofilms. Int J Biol Macromol 2022; 201:676-685. [PMID: 35063492 DOI: 10.1016/j.ijbiomac.2022.01.053] [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: 05/25/2021] [Revised: 01/06/2022] [Accepted: 01/09/2022] [Indexed: 11/05/2022]
Abstract
Biofilm-associated Burkholderia pseudomallei infections (melioidosis) are problematic because of reduced sensitivity to antibiotics and high frequency of relapse. Biofilm dispersal agents are essential to liberate the biofilm-encased cells, which then become planktonic and are more susceptible to antibiotics. This study aimed to evaluate the ability of deacetylated chitosan (dCS), an antimicrobial and antibiofilm biological macromolecule, to disrupt established biofilms, thus enabling ceftazidime (CAZ) to kill biofilm-embedded B. pseudomallei. We combined dCS with CAZ using a mechanical stirring method to generate dCS/CAZ. In combination, 1.25-2.5 mg ml-1 dCS/1-2 μg ml-1 CAZ acted synergistically to kill cells more effectively than did either dCS or CAZ alone. Notably, a combination of 5-10 mg ml-1 dCS with 256-512 μg ml-1 CAZ, prepared either by mechanical stirring (dCS/CAZ) or mixing (dCS + CAZ), drastically improved bactericidal activities against biofilm cells leading to a 3-6 log CFU reduction. Confocal laser-scanning microscope (CLSM) images revealed that 10 mg ml-1 dCS/512 μg ml-1 CAZ is by far the best formulation to diminish B. pseudomallei biofilm biomass and produces the lowest live/dead cell ratios of B. pseudomallei in biofilm matrix. Collectively, these findings emphasize the potential of novel therapeutic antibacterial and antibiofilm agents to fight against antibiotic-tolerant B. pseudomallei biofilm-associated infections.
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Affiliation(s)
- Nuttaya Thonglao
- Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Rattiyaphorn Pakkulnan
- Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Jakkapat Paluka
- Natural Product Research Unit, Center of Excellence for Innovation in Chemistry, Department of Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen, Thailand
| | - Pisit Chareonsudjai
- Department of Environmental Science, Faculty of Science, Khon Kaen University, Khon Kaen, Thailand; Biofilm Research Group, Khon Kaen University, Khon Kaen, Thailand
| | - Somdej Kanokmedhakul
- Natural Product Research Unit, Center of Excellence for Innovation in Chemistry, Department of Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen, Thailand
| | - Kwanjai Kanokmedhakul
- Natural Product Research Unit, Center of Excellence for Innovation in Chemistry, Department of Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen, Thailand
| | - Sorujsiri Chareonsudjai
- Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand; Biofilm Research Group, Khon Kaen University, Khon Kaen, Thailand; Research and Diagnostic Center for Emerging Infectious Diseases (RCEID), Khon Kaen, Thailand.
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Incorporation of Plant Extracted Hydroxyapatite and Chitosan Nanoparticles on the Surface of Orthodontic Micro-Implants: An In-Vitro Antibacterial Study. Microorganisms 2022; 10:microorganisms10030581. [PMID: 35336156 PMCID: PMC8955270 DOI: 10.3390/microorganisms10030581] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Revised: 02/27/2022] [Accepted: 03/02/2022] [Indexed: 12/02/2022] Open
Abstract
In our study, the structural and morphological applications of hydroxyapatite and chitosan nanoparticles and coated micro-implants were assessed for their ability to combat oral pathogenic bacteria. The hydroxyapatite, as well as chitosan nanoparticles, were synthesized from the Salvadora persica plant. The crystal morphology, phase composition, particle size, and surface functional groups of the nano-samples were analyzed via classical examinations and energy dispersive X-ray analysis. The prepared nanoparticles have been examined for antibacterial activity against four common oral bacterial strains. The antimicrobial effect was also assessed by the Live/Dead BacLight technique in combination with confocal scanning laser microscopy. Titanium micro-implants were coated with regular hydroxyapatite (HAP) and chitosan nanoparticles, and the surface was characterized by scanning electron microscopy. The analysis asserted elemental composition of the prepared nanoparticles and their textural features, metal crystallization, and functional bonds. The antibacterial activity of the nanoparticles was evaluated against oral pathogenic microorganisms by the disc diffusion method, minimum bacterial concentration (MBC), and minimum inhibitory concentration (MIC). Chitosan nanoparticles showed (MICs) of 8 μg mL−1 for (Streptococcus salivarius, Streptococcus mutans and Enterococcus faecalis), and 16 μg mL−1 for Streptococcus sanguinis. HAP nanoparticles showed (MICs) of 16 μg/mL for E. faecalis, and S. sanguis, 8 μg/mL for S. salivarius and finally 4 μg/mL for S. mutans. HAP nanoparticles showed enhanced antibacterial activity and more obvious damage in the bacterial cell membrane than that of synthesized chitosan nanoparticles. The prepared nanoparticles could successfully coat titanium microplates to enhance their efficiency.
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Marzano M, Borbone N, Amato F, Oliviero G, Fucile P, Russo T, Sannino F. 3D Chitosan-Gallic Acid Complexes: Assessment of the Chemical and Biological Properties. Gels 2022; 8:gels8020124. [PMID: 35200505 PMCID: PMC8872007 DOI: 10.3390/gels8020124] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 02/02/2022] [Accepted: 02/08/2022] [Indexed: 02/02/2023] Open
Abstract
Three-dimensional chitosan-gallic acid complexes were proposed and prepared for the first time by a simple adsorption process of gallic acid (GA) on three-dimensional chitosan structures (3D chitosan). Highly porous 3D devices facilitate a high GA load, up to 2015 mmol/kg at pH 4.0. The preservation of the redox state of GA released from 3D chitosan was confirmed by spectroscopic analyses. The antioxidant activity of 3D chitosan-GA complexes was assessed using the DPPH radical scavenging assay and was found to be dramatically higher than that of free chitosan. The mechanical property of 3D chitosan–GA complexes was also evaluated using a compression test. Finally, 3D chitosan–GA complexes showed a significant antimicrobial capacity against E. coli and S. aureus, selected, respectively, as a model strain for Gram-negative and Gram-positive bacteria. Our study demonstrated a new, simple, and eco-friendly approach to prepare functional chitosan-based complexes for nutraceutical, cosmeceutical, and pharmaceutical applications.
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Affiliation(s)
- Maria Marzano
- Institute of Applied Sciences and Intelligent Systems Unit of Naples, National Research Council, Via Pietro Castellino 111, 80131 Naples, Italy;
| | - Nicola Borbone
- Department of Pharmacy, University of Naples Federico II, Via Domenico Montesano 49, 80131 Naples, Italy;
- ISBE-IT, University of Naples Federico II, 80138 Naples, Italy;
| | - Felice Amato
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples Federico II, Via Sergio Pansini 5, 80131 Naples, Italy;
- CEINGE-Biotecnologie Avanzate, Via Gaetano Salvatore 486, 80131 Naples, Italy
| | - Giorgia Oliviero
- ISBE-IT, University of Naples Federico II, 80138 Naples, Italy;
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples Federico II, Via Sergio Pansini 5, 80131 Naples, Italy;
| | - Pierpaolo Fucile
- Department of Advanced Biomedical Sciences, University of Naples Federico II, Via Sergio Pansini 5, 80131 Naples, Italy;
| | - Teresa Russo
- Institute of Polymers, Composites and Biomaterials, National Research Council, Viale J. F. Kennedy 54, Pad. 20 Mostra d’Oltremare, 80125 Naples, Italy;
| | - Filomena Sannino
- Department of Agricultural Sciences, University of Naples Federico II, Via Università 100, 80055 Naples, Italy
- Correspondence:
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Wen T, Xia C, Yu Q, Yu Y, Li S, Zhou C, Sun K, Yue S. A dual-signal electrochemical immunosensor for the detection of HPV16 E6 oncoprotein based on PdBP dendritic ternary nanospheres and MBSi-Chi nanocomposites. Analyst 2022; 147:2272-2279. [DOI: 10.1039/d1an02120f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A dual-signal electrochemical immunosensor was fabricated to detect HPV16 E6 oncoprotein for the first time, which meets the requirements for a quick and sensitive detection.
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Affiliation(s)
- Tao Wen
- Institute of Life Science, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Chenchen Xia
- Institute of Life Science, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Qiubo Yu
- Molecular Medical Laboratory and Department of Pathology, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Yujie Yu
- School of Public Health and Management, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Siyuan Li
- Institute of Life Science, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Chunli Zhou
- Institute of Life Science, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Kexin Sun
- Department of Ophthalmology, The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Ophthalmology, Chongqing Eye Institute, Chongqing, 400016, P.R. China
| | - Song Yue
- Obstetrics and Gynecology Department, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, P.R. China
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Huerta-Madroñal M, Caro-León J, Espinosa-Cano E, Aguilar MR, Vázquez-Lasa B. Chitosan - Rosmarinic acid conjugates with antioxidant, anti-inflammatory and photoprotective properties. Carbohydr Polym 2021; 273:118619. [PMID: 34561015 DOI: 10.1016/j.carbpol.2021.118619] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 08/24/2021] [Accepted: 08/26/2021] [Indexed: 11/15/2022]
Abstract
Rosmarinic acid is an attractive candidate for skin applications because of its antioxidant, anti-inflammatory, and photoprotective functions, however, its poor bioavailability hampers its therapeutic outcome. In this context, synthesis of polymer conjugates is an alternative to enlarge its applications. This work describes the synthesis of novel water-soluble chitosan - rosmarinic acid conjugates (CSRA) that have great potential for skin applications. Chitosan was functionalized with different contents of rosmarinic acid as confirmed by ATR-FTIR, 1H NMR and UV spectroscopies. CSRA conjugates presented three-fold radical scavenger capacity compared to the free phenolic compound. Films were prepared by solvent-casting procedure and the biological activity of the lixiviates was studied in vitro. Results revealed that lixiviates reduced activation of inflamed macrophages, improved antibacterial capacity against E. coli with respect to native chitosan and free rosmarinic acid, and also attenuated UVB-induced cellular damage and reactive oxygen species production in fibroblasts and keratinocytes.
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Affiliation(s)
- Miguel Huerta-Madroñal
- Group of Biomaterials, Institute of Polymer Science and Technology ICTP-CSIC, Madrid, Spain.
| | - Javier Caro-León
- Grupo de Investigación en Biopolímeros, Centro de Investigación en Alimentación y Desarrollo A.C., Sonora, Mexico.
| | - Eva Espinosa-Cano
- Group of Biomaterials, Institute of Polymer Science and Technology ICTP-CSIC, Madrid, Spain; Networking Biomedical Research Centre in Bioengineering, Biomaterials and Nanomedicine, CIBER-BBN, Madrid, Spain.
| | - María Rosa Aguilar
- Group of Biomaterials, Institute of Polymer Science and Technology ICTP-CSIC, Madrid, Spain; Networking Biomedical Research Centre in Bioengineering, Biomaterials and Nanomedicine, CIBER-BBN, Madrid, Spain.
| | - Blanca Vázquez-Lasa
- Group of Biomaterials, Institute of Polymer Science and Technology ICTP-CSIC, Madrid, Spain; Networking Biomedical Research Centre in Bioengineering, Biomaterials and Nanomedicine, CIBER-BBN, Madrid, Spain.
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Antimicrobial Properties of Chitosan and Chitosan Derivatives in the Treatment of Enteric Infections. Molecules 2021; 26:molecules26237136. [PMID: 34885715 PMCID: PMC8659174 DOI: 10.3390/molecules26237136] [Citation(s) in RCA: 95] [Impact Index Per Article: 31.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 11/20/2021] [Accepted: 11/23/2021] [Indexed: 12/26/2022] Open
Abstract
Antibiotics played an important role in controlling the development of enteric infection. However, the emergence of antibiotic resistance and gut dysbiosis led to a growing interest in the use of natural antimicrobial agents as alternatives for therapy and disinfection. Chitosan is a nontoxic natural antimicrobial polymer and is approved by GRAS (Generally Recognized as Safe by the United States Food and Drug Administration). Chitosan and chitosan derivatives can kill microbes by neutralizing negative charges on the microbial surface. Besides, chemical modifications give chitosan derivatives better water solubility and antimicrobial property. This review gives an overview of the preparation of chitosan, its derivatives, and the conjugates with other polymers and nanoparticles with better antimicrobial properties, explains the direct and indirect mechanisms of action of chitosan, and summarizes current treatment for enteric infections as well as the role of chitosan and chitosan derivatives in the antimicrobial agents in enteric infections. Finally, we suggested future directions for further research to improve the treatment of enteric infections and to develop more useful chitosan derivatives and conjugates.
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Li L, Zhang P, Li C, Guo Y, Sun K. In vitro/vivo antitumor study of modified-chitosan/carboxymethyl chitosan "boosted" charge-reversal nanoformulation. Carbohydr Polym 2021; 269:118268. [PMID: 34294300 DOI: 10.1016/j.carbpol.2021.118268] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 05/12/2021] [Accepted: 05/26/2021] [Indexed: 12/31/2022]
Abstract
Major obstacles in the development of nanoformulations as efficient drug delivery systems are the rapid clearance from blood circulation and lysosomal entrapment. To overcome these problems, a polysaccharide-based core-shell type charge-switchable nanoformulation (CS-LA-DMMA/CMCS/PAMAM@DOX) is constructed to improve antitumor efficacy of DOX. By applying carboxymethyl chitosan (CMCS) as bridge polymer and negatively charged chitosan-derivative as outer shell, the stability and pH-sensitivity of this nanoformulation is promisingly enhanced. Furthermore, the positively charged PAMAM@DOX could escape from lysosomes via "proton sponge effect" and "cationic-anionic interaction with lysosome membranes". Admirable cellular uptake and high apoptosis/necrosis rate were detected in this study. In vitro assays demonstrate that the CS-LA-DMMA/CMCS/PAMAM@DOX was internalized into HepG2 cells predominantly via the clathrin-mediated endocytosis pathway. Excitingly, in vivo studies showed that high accumulation of CS-LA-DMMA/CMCS/PAMAM@DOX in tumor tissue led to enhanced tumor inhibition. Compared with free DOX, the tumor inhibition rate of nanoformulation was improved up to 226%.
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Affiliation(s)
- Lin Li
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai 264005, PR China
| | - Peng Zhang
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai 264005, PR China.
| | - Congcong Li
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai 264005, PR China
| | - Yan Guo
- Department of Development Planning & Discipline Construction, Yantai University, Yantai 264005, PR China
| | - Kaoxiang Sun
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai 264005, PR China; State Key Laboratory of Long-Acting and Targeting Drug Delivery System, Shandong Luye Pharmaceutical Co., Ltd, Yantai 264003, PR China.
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40
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In vitro efficacy of polymer coated miltefosine drug against leishmania tropica. J Parasit Dis 2021; 46:366-376. [DOI: 10.1007/s12639-021-01452-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 09/06/2021] [Indexed: 12/12/2022] Open
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41
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Singh A, Mittal A, Benjakul S. Chitosan, Chitooligosaccharides and Their Polyphenol Conjugates: Preparation, Bioactivities, Functionalities and Applications in Food Systems. FOOD REVIEWS INTERNATIONAL 2021. [DOI: 10.1080/87559129.2021.1950176] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Avtar Singh
- International Center of Excellence in Seafood Science and Innovation (ICE-SSI), Faculty of Agro-Industry, Prince of Songkla University, Hat Yai, Songkhla, Thailand
| | - Ajay Mittal
- International Center of Excellence in Seafood Science and Innovation (ICE-SSI), Faculty of Agro-Industry, Prince of Songkla University, Hat Yai, Songkhla, Thailand
| | - Soottawat Benjakul
- International Center of Excellence in Seafood Science and Innovation (ICE-SSI), Faculty of Agro-Industry, Prince of Songkla University, Hat Yai, Songkhla, Thailand
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42
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Blackman LD, Qu Y, Cass P, Locock KES. Approaches for the inhibition and elimination of microbial biofilms using macromolecular agents. Chem Soc Rev 2021; 50:1587-1616. [PMID: 33403373 DOI: 10.1039/d0cs00986e] [Citation(s) in RCA: 71] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Biofilms are complex three-dimensional structures formed at interfaces by the vast majority of bacteria and fungi. These robust communities have an important detrimental impact on a wide range of industries and other facets of our daily lives, yet their removal is challenging owing to the high tolerance of biofilms towards conventional antimicrobial agents. This key issue has driven an urgent search for new innovative antibiofilm materials. Amongst these emerging approaches are highly promising materials that employ aqueous-soluble macromolecules, including peptides, proteins, synthetic polymers, and nanomaterials thereof, which exhibit a range of functionalities that can inhibit biofilm formation or detach and destroy organisms residing within established biofilms. In this Review, we outline the progress made in inhibiting and removing biofilms using macromolecular approaches, including a spotlight on cutting-edge materials that respond to environmental stimuli for "on-demand" antibiofilm activity, as well as synergistic multi-action antibiofilm materials. We also highlight materials that imitate and harness naturally derived species to achieve new and improved biomimetic and biohybrid antibiofilm materials. Finally, we share some speculative insights into possible future directions for this exciting and highly significant field of research.
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Affiliation(s)
- Lewis D Blackman
- CSIRO Manufacturing, Research Way, Clayton, VIC 3168, Australia.
| | - Yue Qu
- Infection and Immunity Program, Department of Microbiology, Monash Biomedicine Discovery Institute, Monash University, Clayton, VIC 3800, Australia and Department of Infectious Diseases, The Alfred Hospital and Central Clinical School, Monash University, Melbourne, VIC 3004, Australia
| | - Peter Cass
- CSIRO Manufacturing, Research Way, Clayton, VIC 3168, Australia.
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Liu W, Qin Y, Li P. Design of Chitosan Sterilization Agents by a Structure Combination Strategy and Their Potential Application in Crop Protection. Molecules 2021; 26:3250. [PMID: 34071327 PMCID: PMC8198111 DOI: 10.3390/molecules26113250] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 05/23/2021] [Accepted: 05/27/2021] [Indexed: 01/02/2023] Open
Abstract
Chitosan is the only cationic polysaccharide in nature. It is a type of renewable resource and is abundant. It has good biocompatibility, biodegradability and biological activity. The amino and hydroxyl groups in its molecules can be modified, which enables chitosan to contain a variety of functional groups, giving it a variety of properties. In recent years, researchers have used different strategies to synthesize a variety of chitosan derivatives with novel structure and unique activity. Structure combination is one of the main strategies. Therefore, we will evaluate the synthesis and agricultural antimicrobial applications of the active chitosan derivatives structure combinations, which have not been well-summarized. In addition, the advantages, challenges and developmental prospects of agricultural antimicrobial chitosan derivatives will be discussed.
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Affiliation(s)
- Weixiang Liu
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;
- Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 1 Wenhai Road, Qingdao 266237, China
| | - Yukun Qin
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;
- Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 1 Wenhai Road, Qingdao 266237, China
| | - Pengcheng Li
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;
- Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 1 Wenhai Road, Qingdao 266237, China
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Hydroxyapatite-biopolymers-ZnO composite with sustained Ceftriaxone release as a drainage system for treatment of purulent cavities. Carbohydr Polym 2021; 266:118137. [PMID: 34044951 DOI: 10.1016/j.carbpol.2021.118137] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 04/19/2021] [Accepted: 04/27/2021] [Indexed: 01/11/2023]
Abstract
Composite based on nano-sized hydroxyapatite (HA), zinc oxide (ZnO), chitosan (CS), alginate (Alg) with the function of sustained Ceftriaxone (CF) release was created as molecular sorption-aspiration drainage system (SADS), designed for the treatment of purulent cavities of various genesis, including peritonitis. ZnO stabilizes the composite structurally, reducing the swelling by 1.5 and porosity by 1.4 times. The absorption of tryptophan (Trp) by SADS for 72 h from aqueous solution is 80%, while from PBS - 50%. The content of ZnO (15,20%) slows the CF release by 1.6 times on the first day of SADS installation and reduces the likelihood of "burst" drug release. CF release exponent of ZnO-containing composites indicates the non-Fickian diffusion kinetics. 20%ZnO-containing composite is closest to zero-order kinetics. The reduction of the concentration of E. coli microbial cells for 43% in the presence of HA-nZnO-Alg/CS -based CADS and positive therapeutic pathomorphosis were observed in vivo.
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45
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Khan F, Bamunuarachchi NI, Tabassum N, Kim YM. Caffeic Acid and Its Derivatives: Antimicrobial Drugs toward Microbial Pathogens. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:2979-3004. [PMID: 33656341 DOI: 10.1021/acs.jafc.0c07579] [Citation(s) in RCA: 98] [Impact Index Per Article: 32.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
Caffeic acid is a plant-derived compound that is classified as hydroxycinnamic acid which contains both phenolic and acrylic functional groups. Caffeic acid has been greatly employed as an alternative strategy to combat microbial pathogenesis and chronic infection induced by microbes such as bacteria, fungi, and viruses. Similarly, several derivatives of caffeic acid such as sugar esters, organic esters, glycosides, and amides have been chemically synthesized or naturally isolated as potential antimicrobial agents. To overcome the issue of water insolubility and poor stability, caffeic acid and its derivative have been utilized either in conjugation with other bioactive molecules or in nanoformulation. Besides, caffeic acid and its derivatives have also been applied in combination with antibiotics or photoirradiation to achieve a synergistic mode of action. The present review describes the antimicrobial roles of caffeic acid and its derivatives exploited either in free form or in combination or in nanoformulation to kill a diverse range of microbial pathogens along with their mode of action. The chemistry employed for the synthesis of the caffeic acid derivatives has been discussed in detail as well.
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Affiliation(s)
- Fazlurrahman Khan
- Institute of Food Science, Pukyong National University, Busan 48513, South Korea
| | - Nilushi Indika Bamunuarachchi
- Department of Food Science and Technology, Pukyong National University, Busan 48513, South Korea
- Department of Fisheries and Marine Sciences, Ocean University of Sri Lanka, Tangalle 82200, Sri Lanka
| | - Nazia Tabassum
- Industrial Convergence Bionix Engineering, Pukyong National University, Busan 48513, South Korea
| | - Young-Mog Kim
- Institute of Food Science, Pukyong National University, Busan 48513, South Korea
- Department of Food Science and Technology, Pukyong National University, Busan 48513, South Korea
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46
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Turuvekere Vittala Murthy N, Agrahari V, Chauhan H. Polyphenols against infectious diseases: Controlled release nano-formulations. Eur J Pharm Biopharm 2021; 161:66-79. [PMID: 33588032 DOI: 10.1016/j.ejpb.2021.02.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 01/25/2021] [Accepted: 02/01/2021] [Indexed: 11/16/2022]
Abstract
The emergence of multi-drug resistant (MDR) pathogens has become a global threat and a cause of significant morbidity and mortality around the world. Natural products have been used as a promising approach to counter the infectious diseases associated with these pathogens. The application of natural products and their derivatives especially polyphenolic compounds as antibacterial agents is an active area of research, and prior studies have successfully treated a variety of bacterial infections using these polyphenolic compounds. However, delivery of polyphenolic compounds has been challenging due to their physicochemical properties and often poor aqueous solubility. In this regard, nanotechnology-based novel drug delivery systems offer many advantages, including improving bioavailability and the controlled release of polyphenolic compounds. This review summarizes the pharmacological mechanism and use of nano-formulations in developing controlled release delivery systems of naturally occurring polyphenols in infectious diseases.
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Affiliation(s)
| | - Vibhuti Agrahari
- Department of Pharmaceutical Sciences, College of Pharmacy, Oklahoma University, Oklahoma City, OK 73117, United States
| | - Harsh Chauhan
- School of Pharmacy and Health Professionals, Creighton University, Omaha, NE 68178, United States.
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47
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Evaluation of Antinociceptive Effects of Chitosan-Coated Liposomes Entrapping the Selective Kappa Opioid Receptor Agonist U50,488 in Mice. ACTA ACUST UNITED AC 2021; 57:medicina57020138. [PMID: 33557245 PMCID: PMC7913921 DOI: 10.3390/medicina57020138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Revised: 01/30/2021] [Accepted: 02/01/2021] [Indexed: 11/17/2022]
Abstract
Background and Objectives: The selective kappa opioid receptor agonist U50,488 was reported to have analgesic, cough suppressant, diuretic and other beneficial properties. The aim of our study was to analyze the effects of some original chitosan-coated liposomes entrapping U50,488 in somatic and visceral nociceptive sensitivity in mice. Materials and Methods: The influence on the somatic pain was assessed using a tail flick test by counting the tail reactivity to thermal noxious stimulation. The nociceptive visceral estimation was performed using the writhing test in order to evaluate the behavioral manifestations occurring as a reaction to the chemical noxious peritoneal irritation with 0.6% acetic acid (10 mL/kbw). The animals were treated orally, at the same time, with a single dose of: distilled water 0.1 mL/10 gbw; 50 mg/kbw U50,488; 50 mg/kbw U50,488 entrapped in chitosan-coated liposomes, according to the group they were randomly assigned. Results: The use of chitosan-coated liposomesas carriers for U50,488 induced antinociceptive effects that began to manifest after 2 h, andwere prolonged but with a lower intensity than those caused by the free selective kappa opioid in both tests. Conclusion: In this experimental model, the oral administration of nanovesicles containing the selective kappa opioid agonist U50,488 determined a prolonged analgesic outcome in the tail flick test, as well as in the writhing test.
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Raouf M, Essa S, El Achy S, Essawy M, Rafik S, Baddour M. Evaluation of Combined Ciprofloxacin and azithromycin free and nano formulations to control biofilm producing Pseudomonas aeruginosa isolated from burn wounds. Indian J Med Microbiol 2021; 39:81-87. [PMID: 33460732 DOI: 10.1016/j.ijmmb.2021.01.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Accepted: 10/23/2020] [Indexed: 01/21/2023]
Abstract
BACKGROUND Nanoparticles are becoming increasingly important against resistant superbugs including Pseudomonas aeruginosa infections. AIMS Exploration of Azithromycin as an adjunctive therapy to Ciprofloxacin for treatment of P. aeruginosa infections. Also, preparation of Ciprofloxacin-Azithromycin nanoparticles on chitosan nanocarrier (Cipro-AZM-CS) and assessment of its antimicrobial effect in vitro and in vivo. METHODS Detection of biofilm production and biofilm-specific antibiotic resistance ndvB and tssC1 genes was attempted. Minimal inhibitory concentration (MIC) and Minimum biofilm eradication concentration (MBEC) were done in vitro for assessment of P. aeruginosa planktonic and biofilm forms eradication, respectively. In In vivo study, Cipro-AZM-CS and free form were used to evaluate survival rate, wound contraction and bacterial load in mice after third degree burn. RESULTS All isolates were positive for biofilm production and ndvB and tssC1 genes. Majority of isolates (37, 74%) were extensively drug resistant. In the planktonic state, MIC values of Cipro-AZM free and CS forms were significantly lower than free Cipro MIC (P = 0.015 and P < 0.001 respectively). Also, Cipro-AZM free and CS MBEC values were significantly lower than that of free Cipro (P < 0.010 and P < 0.001 respectively). Furthermore, The MIC and MBEC values of free Cipro-AZM decreased significantly when challenged with Cipro-AZM-CS (P = 0.009 and P < 0.001 respectively). In vivo study combined free and Cipro-AZM-CS treated subgroups showed 100% mice survival with early resolution of infection and wound contraction (75%, 77.5% respectively) VS 45% for Cipro CS (P < 0.001). CONCLUSION Combined free and Cipro-AZM-CS showed promising results in vitro and in vivo overcoming high resistance of biofilm producing P. aeruginosa.
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Affiliation(s)
- May Raouf
- Medical Microbiology and Immunology, Microbiology Department, Faculty of Medicine, Alexandria University, Egypt.
| | - Sara Essa
- Medical Microbiology and Immunology, Microbiology Department, Faculty of Medicine, Alexandria University, Egypt.
| | - Samar El Achy
- Pathology Department, Faculty of Medicine, Alexandria University, Egypt; Center of Excellence for Research in Regenerative Medicine and Applications (CERRMA), Faculty of Medicine, Alexandria University, Egypt.
| | - Marwa Essawy
- Center of Excellence for Research in Regenerative Medicine and Applications (CERRMA), Faculty of Medicine, Alexandria University, Egypt; Oral Pathology Department, Faculty of Dentistry, Alexandria University, Egypt.
| | - Salma Rafik
- Center of Excellence for Research in Regenerative Medicine and Applications (CERRMA), Faculty of Medicine, Alexandria University, Egypt; Clinical Pharmacology Department, Faculty of Medicine, Alexandria University, Egypt.
| | - Manal Baddour
- Medical Microbiology and Immunology, Microbiology Department, Faculty of Medicine, Alexandria University, Egypt.
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Functional properties of chitosan derivatives obtained through Maillard reaction: A novel promising food preservative. Food Chem 2021; 349:129072. [PMID: 33556729 DOI: 10.1016/j.foodchem.2021.129072] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 01/06/2021] [Accepted: 01/06/2021] [Indexed: 01/17/2023]
Abstract
This review provides an insight about the functional properties of chitosan obtained through Maillard reaction to enhance the shelf life and food quality. Maillard reaction is a promising and safe method to obtain commercial water-soluble chitosan's through Schiff base linkage and Amadori or Heyns rearrangement. Likewise, chitosan derivatives exert an enhanced antimicrobial, antioxidant, and emulsifying properties due to the development of Maillard reaction products (MRPs) like reductones and melanoidins. Additionally, the application of chitosan-MRPs effectively inhibited the microbial spoilage, reduced lipid oxidative, and extended the shelf life and the quality of fresh food products. Therefore, understand the potential of chitosan-MRPs derivatives as a functional biomaterial to improve the postharvest quality and extending the shelf life of food products will scale up its application as a food preservative.
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Yang H, Zhang Y, Zhou F, Guo J, Tang J, Han Y, Li Z, Fu C. Preparation, Bioactivities and Applications in Food Industry of Chitosan-Based Maillard Products: A Review. Molecules 2020; 26:molecules26010166. [PMID: 33396532 PMCID: PMC7795806 DOI: 10.3390/molecules26010166] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 12/26/2020] [Accepted: 12/29/2020] [Indexed: 02/07/2023] Open
Abstract
Chitosan, a biopolymer possessing numerous interesting bioactivities and excellent technological properties, has received great attention from scientists in different fields including the food industry, pharmacy, medicine, and environmental fields. A series of recent studies have reported exciting results about improvement of the properties of chitosan using the Maillard reaction. However, there is a lack of a systemic review about the preparation, bioactivities and applications in food industry of chitosan-based Maillard reaction products (CMRPs). The presence of free amino groups in chitosan allows it to acquire some stronger or new functional properties via the Maillard reaction. The present review aims to focus on the current research status of synthesis, optimization and structural identification of CMRPs. The applications of CMRPs in the food industry are also discussed according to their biological and technological properties such as antioxidant, antimicrobial activities and inducing conformational changes of allergens in food. Some promising directions for future research are proposed in this review, aiming to provide theoretical guidance for the further development of chitosan and its derivatives.
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Affiliation(s)
- Huijuan Yang
- College of Standardization, China Jiliang University, Hangzhou 310018, China;
| | - Yuyu Zhang
- Beijing Key Laboratory of Flavor Chemistry, Beijing Technology and Business University (BTBU), Beijing 100048, China;
- Correspondence: ; Tel.: +86-150-0134-9082
| | - Fang Zhou
- Fujian University Key Laboratory of Biotechnology for Offshore Resources, Quanzhou Normal University, Quanzhou 362000, China; (F.Z.); (J.G.)
- National University of Singapore (Suzhou) Research Institute, 377 Lin Quan Street, Suzhou Industrial Park, Suzhou 215123, China; (J.T.); (Y.H.); (Z.L.)
| | - Juanjuan Guo
- Fujian University Key Laboratory of Biotechnology for Offshore Resources, Quanzhou Normal University, Quanzhou 362000, China; (F.Z.); (J.G.)
| | - Jiajie Tang
- National University of Singapore (Suzhou) Research Institute, 377 Lin Quan Street, Suzhou Industrial Park, Suzhou 215123, China; (J.T.); (Y.H.); (Z.L.)
| | - Yanqing Han
- National University of Singapore (Suzhou) Research Institute, 377 Lin Quan Street, Suzhou Industrial Park, Suzhou 215123, China; (J.T.); (Y.H.); (Z.L.)
| | - Zhanming Li
- National University of Singapore (Suzhou) Research Institute, 377 Lin Quan Street, Suzhou Industrial Park, Suzhou 215123, China; (J.T.); (Y.H.); (Z.L.)
| | - Caili Fu
- Beijing Key Laboratory of Flavor Chemistry, Beijing Technology and Business University (BTBU), Beijing 100048, China;
- Fujian University Key Laboratory of Biotechnology for Offshore Resources, Quanzhou Normal University, Quanzhou 362000, China; (F.Z.); (J.G.)
- National University of Singapore (Suzhou) Research Institute, 377 Lin Quan Street, Suzhou Industrial Park, Suzhou 215123, China; (J.T.); (Y.H.); (Z.L.)
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