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Chuah LH, Loo HL, Goh CF, Fu JY, Ng SF. Chitosan-based drug delivery systems for skin atopic dermatitis: recent advancements and patent trends. Drug Deliv Transl Res 2023; 13:1436-1455. [PMID: 36808298 PMCID: PMC9937521 DOI: 10.1007/s13346-023-01307-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/30/2023] [Indexed: 02/20/2023]
Abstract
Atopic dermatitis (AD) is a complex, relapsing inflammatory skin disease with a considerable social and economic burden globally. AD is primarily characterized by its chronic pattern and it can have important modifications in the quality of life of the patients and caretakers. One of the fastest-growing topics in translational medicine today is the exploration of new or repurposed functional biomaterials into drug delivery therapeutic applications. This area has gained a considerable amount of research which produced many innovative drug delivery systems for inflammatory skin diseases like AD. Chitosan, a polysaccharide, has attracted attention as a functional biopolymer for diverse applications, especially in pharmaceutics and medicine, and has been considered a promising candidate for AD treatment due to its antimicrobial, antioxidative, and inflammatory response modulation properties. The current pharmacological treatment for AD involves prescribing topical corticosteroid and calcineurin inhibitors. However, the adverse reactions associated with the long-term usage of these drugs such as itching, burning, or stinging sensation are also well documented. Innovative formulation strategies, including the use of micro- and nanoparticulate systems, biopolymer hydrogel composites, nanofibers, and textile fabrication are being extensively researched with an aim to produce a safe and effective delivery system for AD treatment with minimal side effects. This review outlines the recent development of various chitosan-based drug delivery systems for the treatment of AD published in the past 10 years (2012-2022). These chitosan-based delivery systems include hydrogels, films, micro-, and nanoparticulate systems as well as chitosan textile. The global patent trends on chitosan-based formulations for the AD are also discussed.
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Affiliation(s)
- Lay-Hong Chuah
- grid.440425.30000 0004 1798 0746School of Pharmacy, Monash University Malaysia, Bandar Sunway, 47500 Subang Jaya, Malaysia
| | - Hooi-Leong Loo
- grid.440425.30000 0004 1798 0746School of Pharmacy, Monash University Malaysia, Bandar Sunway, 47500 Subang Jaya, Malaysia
| | - Choon Fu Goh
- grid.11875.3a0000 0001 2294 3534Discipline of Pharmaceutical Technology, School of Pharmaceutical Sciences, Universiti Sains Malaysia, 11800 Minden, Penang, Malaysia
| | - Ju-Yen Fu
- grid.410876.c0000 0001 2170 0530Malaysian Palm Oil Board, Bandar Baru Bangi, 43000 Kajang, Selangor, Malaysia
| | - Shiow-Fern Ng
- Centre for Drug Delivery Technology, Faculty of Pharmacy, Universiti Kebangsaan Malaysia, 50300, Kuala Lumpur, Malaysia.
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Zhu Z, Zhang K, Xian Y, He G, Pan Z, Wang H, Zhang C, Wu D. A Choline Phosphoryl-Conjugated Chitosan/Oxidized Dextran Injectable Self-Healing Hydrogel for Improved Hemostatic Efficacy. Biomacromolecules 2023; 24:690-703. [PMID: 36534463 DOI: 10.1021/acs.biomac.2c01143] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The development of injectable hydrogels with good biocompatibility, self-healing, and superior hemostatic properties is highly desirable in emergency and clinical applications. Herein, we report an in situ injectable and self-healing hemostatic hydrogel based on choline phosphoryl functionalized chitosan (CS-g-CP) and oxidized dextran (ODex). The CP groups were hypothesized to accelerate hemostasis by facilitating erythrocyte adhesion and aggregation. Our results reveal that the CS-g-CP/ODex hydrogels exhibit enhanced blood clotting and erythrocyte adhesion/aggregation capacities compared to those of the CS/ODex hydrogels. The CS-g-CP50/ODex75 hydrogel presents rapid gelation time, good mechanical strength and tissue adhesiveness, satisfactory bursting pressure, and favorable biocompatibility. The hemostatic ability of the CS-g-CP50/ODex75 hydrogel was significantly improved compared to that of the CS/ODex hydrogel and commercial fibrin sealant in the rat tail amputation and liver/spleen injury models. Our study highlights the positive and synergistic effects of CP groups on hemostasis and strongly supports the CS-g-CP50/ODex75 hydrogel as a promising adhesive for hemorrhage control.
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Affiliation(s)
- Ziran Zhu
- Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, No. 2 Zhongguancun North First Street, Haidian District, Beijing100190, China.,Department of Biomedical Engineering, Southern University of Science and Technology, No. 1088 Xueyuan Avenue, Nanshan District Shenzhen, Guangdong518055, China.,University of Chinese Academy of Sciences, No.19(A) Yuquan Road, Shijingshan District, Beijing100049, China
| | - Kaiwen Zhang
- Department of Biomedical Engineering, Southern University of Science and Technology, No. 1088 Xueyuan Avenue, Nanshan District Shenzhen, Guangdong518055, China
| | - Yiwen Xian
- Department of Biomedical Engineering, Southern University of Science and Technology, No. 1088 Xueyuan Avenue, Nanshan District Shenzhen, Guangdong518055, China
| | - Gang He
- Stomatology Center, Shenzhen Hospital, Southern Medical University, No. 1333 New Road, Baoan District Shenzhen, Guangdong518101, China
| | - Zheng Pan
- Department of Biomedical Engineering, Southern University of Science and Technology, No. 1088 Xueyuan Avenue, Nanshan District Shenzhen, Guangdong518055, China
| | - Hufei Wang
- Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, No. 2 Zhongguancun North First Street, Haidian District, Beijing100190, China.,University of Chinese Academy of Sciences, No.19(A) Yuquan Road, Shijingshan District, Beijing100049, China
| | - Chong Zhang
- Department of Biomedical Engineering, Southern University of Science and Technology, No. 1088 Xueyuan Avenue, Nanshan District Shenzhen, Guangdong518055, China
| | - Decheng Wu
- Department of Biomedical Engineering, Southern University of Science and Technology, No. 1088 Xueyuan Avenue, Nanshan District Shenzhen, Guangdong518055, China
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Zhang Q, Zhai W, Cui L, Liu Y, Xie W, Yu Q, Luo H. Physicochemical properties and antibacterial activity of polylactic acid/starch acetate films incorporated with chitosan and tea polyphenols. Polym Bull (Berl) 2023. [DOI: 10.1007/s00289-023-04691-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
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54
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Liu X, Liao W, Xia W. Recent advances in chitosan based bioactive materials for food preservation. Food Hydrocoll 2023. [DOI: 10.1016/j.foodhyd.2023.108612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
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Crintea A, Carpa R, Mitre AO, Petho RI, Chelaru VF, Nădășan SM, Neamti L, Dutu AG. Nanotechnology Involved in Treating Urinary Tract Infections: An Overview. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:555. [PMID: 36770516 PMCID: PMC9919202 DOI: 10.3390/nano13030555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 01/22/2023] [Accepted: 01/27/2023] [Indexed: 06/18/2023]
Abstract
Considered as the most frequent contaminations that do not require hospitalization, urinary tract infections (UTIs) are largely known to cause significant personal burdens on patients. Although UTIs overall are highly preventable health issues, the recourse to antibiotics as drug treatments for these infections is a worryingly spread approach that should be addressed and gradually overcome in a contemporary, modernized healthcare system. With a virtually alarming global rise of antibiotic resistance overall, nanotechnologies may prove to be the much-needed 'lifebuoy' that will eventually suppress this prejudicial phenomenon. This review aims to present the most promising, currently known nano-solutions, with glimpses on clinical and epidemiological aspects of the UTIs, prospective diagnostic instruments, and non-antibiotic treatments, all of these engulfed in a comprehensive overview.
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Affiliation(s)
- Andreea Crintea
- Department of Medical Biochemistry, Faculty of Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 400349 Cluj-Napoca, Romania
| | - Rahela Carpa
- Department of Molecular Biology and Biotechnology, Faculty of Biology and Geology, Babes-Bolyai University, 400084 Cluj-Napoca, Romania
| | - Andrei-Otto Mitre
- Department of Pathophysiology, Faculty of Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 400349 Cluj-Napoca, Romania
| | - Robert Istvan Petho
- Faculty of Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 400349 Cluj-Napoca, Romania
| | - Vlad-Florin Chelaru
- Faculty of Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 400349 Cluj-Napoca, Romania
| | - Sebastian-Mihail Nădășan
- Faculty of Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 400349 Cluj-Napoca, Romania
| | - Lidia Neamti
- Department of Medical Biochemistry, Faculty of Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 400349 Cluj-Napoca, Romania
| | - Alina Gabriela Dutu
- Department of Medical Biochemistry, Faculty of Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 400349 Cluj-Napoca, Romania
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Calkins AL, Demey LM, Rosenthal BM, DiRita VJ, Biteen JS. Achieving Single-Molecule Tracking of Subcellular Regulation in Bacteria during Real-Time Environmental Perturbations. Anal Chem 2023; 95:774-783. [PMID: 36576807 DOI: 10.1021/acs.analchem.2c02899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Bacteria rely on protein systems for regulation in response to external environmental signals. Single-molecule fluorescence imaging and tracking has elucidated the complex mechanism of these protein systems in a variety of bacteria. We recently investigated Vibrio cholerae, the Gram-negative bacterium responsible for the human cholera disease, and its regulation of the production of toxins and virulence factors through the membrane-localized transcription factors TcpP and ToxR. These experiments determined that TcpP and ToxR work cooperatively under steady-state conditions, but measurements of how these dynamical interactions change over the course of environmental perturbations were precluded by the traditional preparation of bacterial cells confined on agarose pads. Here, we address this gap in technology and access single-molecule dynamics during real-time changes by implementing two alternative sample preparations: microfluidic devices and chitosan-coated coverslips. We report the first demonstration of single-molecule tracking within live bacterial cells in a microfluidic device. Additionally, using the chitosan-coated coverslips, we show that real-time environmental changes impact TcpP-PAmCherry dynamics, activating a virulence condition in the bacteria about 45 min after dropping to pH 6 and about 20 min after inducing ToxR expression. These new technology advances open our ability for new experiments studying a variety of bacteria with single-molecule imaging and tracking during real-time environmental perturbations.
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Affiliation(s)
- Anna L Calkins
- Department of Chemistry, University of Michigan, Ann Arbor, Michigan 48104, United States
| | - Lucas M Demey
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan 48824, United States
| | - Brooke M Rosenthal
- Department of Chemistry, University of Michigan, Ann Arbor, Michigan 48104, United States
| | - Victor J DiRita
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan 48824, United States
| | - Julie S Biteen
- Department of Chemistry, University of Michigan, Ann Arbor, Michigan 48104, United States
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57
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Lupu A, Rosca I, Gradinaru VR, Bercea M. Temperature Induced Gelation and Antimicrobial Properties of Pluronic F127 Based Systems. Polymers (Basel) 2023; 15:polym15020355. [PMID: 36679236 PMCID: PMC9861663 DOI: 10.3390/polym15020355] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 01/05/2023] [Accepted: 01/07/2023] [Indexed: 01/12/2023] Open
Abstract
Different formulations containing Pluronic F127 and polysaccharides (chitosan, sodium alginate, gellan gum, and κ-carrageenan) were investigated as potential injectable gels that behave as free-flowing liquid with reduced viscosity at low temperatures and displayed solid-like properties at 37 °C. In addition, ZnO nanoparticles, lysozyme, or curcumin were added for testing the antimicrobial properties of the thermal-sensitive gels. Rheological investigations evidenced small changes in transition temperature and kinetics of gelation at 37 °C in presence of polysaccharides. However, the gel formation is very delayed in the presence of curcumin. The antimicrobial properties of Pluronic F127 gels are very modest even by adding chitosan, lysozyme, or ZnO nanoparticles. A remarkable enhancement of antimicrobial activity was observed in the presence of curcumin. Chitosan addition to Pluronic/curcumin systems improves their viscoelasticity, antimicrobial activity, and stability in time. The balance between viscoelastic and antimicrobial characteristics needs to be considered in the formulation of Pluronic F127 gels suitable for biomedical and pharmaceutical applications.
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Affiliation(s)
- Alexandra Lupu
- “Petru Poni” Institute of Macromolecular Chemistry, 41-A Grigore Ghica Voda Alley, 700487 Iasi, Romania
| | - Irina Rosca
- “Petru Poni” Institute of Macromolecular Chemistry, 41-A Grigore Ghica Voda Alley, 700487 Iasi, Romania
| | - Vasile Robert Gradinaru
- Faculty of Chemistry, Alexandru Ioan Cuza University of Iasi, 11 Carol I Bd., 700506 Iasi, Romania
| | - Maria Bercea
- “Petru Poni” Institute of Macromolecular Chemistry, 41-A Grigore Ghica Voda Alley, 700487 Iasi, Romania
- Correspondence:
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58
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Tanaka T, Tomita Y, Honda K, Fujisawa M, Ochiai A. Preparation of composite monoliths of quaternized chitosan and diatom earth for protein separation. J Sep Sci 2023; 46:e2200638. [PMID: 36408941 DOI: 10.1002/jssc.202200638] [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: 08/08/2022] [Revised: 10/15/2022] [Accepted: 11/11/2022] [Indexed: 11/22/2022]
Abstract
In this study, composite monoliths with porous structures were prepared using quaternized chitosan and diatom earth for protein separation. Quaternized chitosan (N-[(2-hydroxy-3-trimethylammonium)propyl] chitosan chloride) dissolved in water was mixed with diatom earth and crosslinked with glutaraldehyde under low-temperature conditions to form a cryogel. Interconnected porous monoliths were obtained after removing ice crystals from the cryogel. The monoliths adsorbed bovine serum albumin selectively from the solution mixture of bovine serum albumin and bovine ɤ-globulin, and bovine ɤ-globulin was recovered in the flow-through fraction. The adsorption selectivity was enhanced by changing the solution pH from 6.8 to 5.5. The adsorption of bovine serum albumin by the monolith was replicated at least five times following its washing with a buffer containing 400 mM NaCl and subsequent regeneration with a 10 mM acetate buffer. The composited monolith is a promising adsorbent for the removal of acidic proteins, such as serum albumin contamination in neutral proteins, for example, ɤ-globulins, in bioproduction processes.
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Affiliation(s)
- Takaaki Tanaka
- Department of Materials Science and Technology, Niigata University, Niigata, Japan
| | - Yuna Tomita
- Department of Materials Science and Technology, Niigata University, Niigata, Japan
| | - Koki Honda
- Department of Materials Science and Technology, Niigata University, Niigata, Japan
| | - Marino Fujisawa
- Department of Materials Science and Technology, Niigata University, Niigata, Japan
| | - Akihito Ochiai
- Department of Materials Science and Technology, Niigata University, Niigata, Japan
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59
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Chernysheva MG, Chaschin IS, Badun GA, Vasil’ev VG, Mikheev IV, Shen T, Sinolits MA, Bakuleva NP. Novel nanodiamond coatings for durable xenogenic heart valve prostheses: Mechanical properties and in vivo stability. Colloids Surf A Physicochem Eng Asp 2023. [DOI: 10.1016/j.colsurfa.2022.130373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Rout SR, Kar B, Pradhan D, Biswasroy P, Haldar J, Rajwar TK, Sarangi MK, Rai VK, Ghosh G, Rath G. Chitosan as a potential biomaterial for the management of oral mucositis, a common complication of cancer treatment. Pharm Dev Technol 2023; 28:78-94. [PMID: 36564887 DOI: 10.1080/10837450.2022.2162544] [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] [Indexed: 12/25/2022]
Abstract
Oral mucositis is a serious issue in patients receiving oncological therapies. Mucosal protectants considered to be one of the preferred choices used in the management of mucositis. However, the protective efficacy of currently available mucosal protectants has been significantly compromised due to poor retention, lack of lubrication, poor biodegradability, and inability to manage secondary complications. Chitosan is a promising material for mucosal applications due to its beneficial biomedical properties. Chitosan is also anti-inflammatory, anti-microbial, and capable of scavenging free radicals, makes it a good candidate for the treatment of oral mucositis. Additionally, chitosan's amino polysaccharide skeleton permits a number of chemical alterations with better bioactive performance. This article provides a summary of key biological properties of chitosan and its derivatives that are useful for treating oral mucositis. Current literature evidence shows that Chitosan has superior mucosal protective properties when utilised alone or as delivery systems for co-encapsulated drugs.
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Affiliation(s)
- Sudhanshu Ranjan Rout
- School of Pharmaceutical Sciences, Siksha O Anusandhan (Deemed to be University), Bhubaneswar, India
| | - Biswakanth Kar
- School of Pharmaceutical Sciences, Siksha O Anusandhan (Deemed to be University), Bhubaneswar, India
| | - Deepak Pradhan
- School of Pharmaceutical Sciences, Siksha O Anusandhan (Deemed to be University), Bhubaneswar, India
| | - Prativa Biswasroy
- School of Pharmaceutical Sciences, Siksha O Anusandhan (Deemed to be University), Bhubaneswar, India
| | - Jitu Haldar
- School of Pharmaceutical Sciences, Siksha O Anusandhan (Deemed to be University), Bhubaneswar, India
| | - Tushar Kanti Rajwar
- School of Pharmaceutical Sciences, Siksha O Anusandhan (Deemed to be University), Bhubaneswar, India
| | - Manoj Kumar Sarangi
- Department of Pharmaceutics, Amity Institute of Pharmacy, Amity University, Lucknow, India
| | - Vineet Kumar Rai
- School of Pharmaceutical Sciences, Siksha O Anusandhan (Deemed to be University), Bhubaneswar, India
| | - Goutam Ghosh
- School of Pharmaceutical Sciences, Siksha O Anusandhan (Deemed to be University), Bhubaneswar, India
| | - Goutam Rath
- School of Pharmaceutical Sciences, Siksha O Anusandhan (Deemed to be University), Bhubaneswar, India
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Hu X, Lu C, Tang H, Pouri H, Joulin E, Zhang J. Active Food Packaging Made of Biopolymer-Based Composites. MATERIALS (BASEL, SWITZERLAND) 2022; 16:279. [PMID: 36614617 PMCID: PMC9821968 DOI: 10.3390/ma16010279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 12/16/2022] [Accepted: 12/17/2022] [Indexed: 06/17/2023]
Abstract
Food packaging plays a vital role in protecting food products from environmental damage and preventing contamination from microorganisms. Conventional food packaging made of plastics produced from unrenewable fossil resources is hard to degrade and poses a negative impact on environmental sustainability. Natural biopolymers are attracting interest for reducing environmental problems to achieve a sustainable society, because of their abundance, biocompatibility, biodegradability, chemical stability, and non-toxicity. Active packaging systems composed of these biopolymers and biopolymer-based composites go beyond simply acting as a barrier to maintain food quality. This review provides a comprehensive overview of natural biopolymer materials used as matrices for food packaging. The antioxidant, water barrier, and oxygen barrier properties of these composites are compared and discussed. Furthermore, biopolymer-based composites integrated with antimicrobial agents-such as inorganic nanostructures and natural products-are reviewed, and the related mechanisms are discussed in terms of antimicrobial function. In summary, composites used for active food packaging systems can inhibit microbial growth and maintain food quality.
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Affiliation(s)
- Xuanjun Hu
- Department of Chemical and Biochemical Engineering, University of Western Ontario, London, ON N6A 5B9, Canada
| | - Chao Lu
- Department of Chemical and Biochemical Engineering, University of Western Ontario, London, ON N6A 5B9, Canada
| | - Howyn Tang
- School of Biomedical Engineering, University of Western Ontario, London, ON N6A 5B9, Canada
| | - Hossein Pouri
- Department of Chemical and Biochemical Engineering, University of Western Ontario, London, ON N6A 5B9, Canada
| | - Etienne Joulin
- Department of Chemical and Biochemical Engineering, University of Western Ontario, London, ON N6A 5B9, Canada
| | - Jin Zhang
- Department of Chemical and Biochemical Engineering, University of Western Ontario, London, ON N6A 5B9, Canada
- School of Biomedical Engineering, University of Western Ontario, London, ON N6A 5B9, Canada
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Koczoń P, Bartyzel B, Iuliano A, Klensporf-Pawlik D, Kowalska D, Majewska E, Tarnowska K, Zieniuk B, Gruczyńska-Sękowska E. Chemical Structures, Properties, and Applications of Selected Crude Oil-Based and Bio-Based Polymers. Polymers (Basel) 2022; 14:polym14245551. [PMID: 36559918 PMCID: PMC9783367 DOI: 10.3390/polym14245551] [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: 10/31/2022] [Revised: 12/07/2022] [Accepted: 12/12/2022] [Indexed: 12/23/2022] Open
Abstract
The growing perspective of running out of crude oil followed by increasing prices for all crude oil-based materials, e.g., crude oil-based polymers, which have a huge number of practical applications but are usually neither biodegradable nor environmentally friendly, has resulted in searching for their substitutes-namely, bio-based polymers. Currently, both these types of polymers are used in practice worldwide. Owing to the advantages and disadvantages occurring among plastics with different origin, in this current review data on selected popular crude oil-based and bio-based polymers has been collected in order to compare their practical applications resulting from their composition, chemical structure, and related physical and chemical properties. The main goal is to compare polymers in pairs, which have the same or similar practical applications, regardless of different origin and composition. It has been proven that many crude oil-based polymers can be effectively replaced by bio-based polymers without significant loss of properties that ensure practical applications. Additionally, biopolymers have higher potential than crude oil-based polymers in many modern applications. It is concluded that the future of polymers will belong to bio-based rather than crude oil-based polymers.
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Affiliation(s)
- Piotr Koczoń
- Department of Chemistry, Institute of Food Sciences, Warsaw University of Life Sciences, 02-776 Warsaw, Poland
| | - Bartłomiej Bartyzel
- Department of Morphological Sciences, Institute of Veterinary Medicine, Warsaw University of Life Sciences, 02-776 Warsaw, Poland
| | - Anna Iuliano
- Faculty of Chemistry, Warsaw University of Technology, 00-664 Warsaw, Poland
| | - Dorota Klensporf-Pawlik
- Department of Food Quality and Safety, Poznan University of Economics and Business, 61-875 Poznan, Poland
| | - Dorota Kowalska
- Department of Chemistry, Institute of Food Sciences, Warsaw University of Life Sciences, 02-776 Warsaw, Poland
| | - Ewa Majewska
- Department of Chemistry, Institute of Food Sciences, Warsaw University of Life Sciences, 02-776 Warsaw, Poland
| | - Katarzyna Tarnowska
- Department of Chemistry, Institute of Food Sciences, Warsaw University of Life Sciences, 02-776 Warsaw, Poland
| | - Bartłomiej Zieniuk
- Department of Chemistry, Institute of Food Sciences, Warsaw University of Life Sciences, 02-776 Warsaw, Poland
| | - Eliza Gruczyńska-Sękowska
- Department of Chemistry, Institute of Food Sciences, Warsaw University of Life Sciences, 02-776 Warsaw, Poland
- Correspondence:
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63
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Knorr D, Augustin MA. From Food to Gods to Food to Waste. Crit Rev Food Sci Nutr 2022; 64:5379-5397. [PMID: 36503306 DOI: 10.1080/10408398.2022.2153795] [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: 12/14/2022]
Abstract
The present global food waste problem threatens food systems sustainability and our planet. The generation of food waste stems from the interacting factors of the need for food production, food access and availability, motivations and ignorance around food purchase and consumption, and market constraints. Food waste has increased over time. This is related to the change in how humans value food through the generations and altered human food consumption and food discard behaviors. There is also a lack of understanding of the impacts of current food production, processing and consumption patterns on food waste creation. This review examines the cultural, religious, social and economic factors influencing attitudes to food and their effects on food waste generation. The lessons from history about how humans strove toward zero waste are covered. We review the important drivers of food waste: waste for profit, food diversion to feed, waste for convenience, labeling, food service waste and household food waste. We discuss strategies for food waste reduction: recovery of food and food ingredients, waste conversion to energy and food, reducing waste from production/processing and reducing consumer food waste, and emphasize the need for all stakeholders to work together to reduce food waste.
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Affiliation(s)
- Dietrich Knorr
- Food Biotechnology and Food Process Engineering, Technische Universität Berlin, Berlin, Germany
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64
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Natural Coatings and Surface Modifications on Magnesium Alloys for Biomedical Applications. Polymers (Basel) 2022; 14:polym14235297. [PMID: 36501691 PMCID: PMC9740093 DOI: 10.3390/polym14235297] [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: 10/15/2022] [Revised: 11/12/2022] [Accepted: 11/14/2022] [Indexed: 12/07/2022] Open
Abstract
Magnesium (Mg) alloys have great potential in biomedical applications due to their incomparable properties regarding other metals, such as stainless steels, Co-Cr alloys, and titanium (Ti) alloys. However, when Mg engages with body fluids, its degradation rate increases, inhibiting the complete healing of bone tissue. For this reason, it has been necessary to implement protective coatings to control the rate of degradation. This review focuses on natural biopolymer coatings used on Mg alloys for resorbable biomedical applications, as well as some modification techniques implemented before applying natural polymer coatings to improve their performance. Issues such as improving the corrosion resistance, cell adhesion, proliferation, and biodegradability of natural biopolymers are discussed through their basic comparison with inorganic-type coatings. Emphasis is placed on the expected biological behavior of each natural polymer described, to provide basic information as a reference on this topic.
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65
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Bhowmik S, Agyei D, Ali A. Bioactive chitosan and essential oils in sustainable active food packaging: Recent trends, mechanisms, and applications. Food Packag Shelf Life 2022. [DOI: 10.1016/j.fpsl.2022.100962] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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66
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Sharma S, Madhyastha H, Kirwale SS, Sakai K, Katakia YT, Majumder S, Roy A. Dual antibacterial and anti-inflammatory efficacy of a chitosan-chondroitin sulfate-based in-situ forming wound dressing. Carbohydr Polym 2022; 298:120126. [DOI: 10.1016/j.carbpol.2022.120126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 09/13/2022] [Accepted: 09/14/2022] [Indexed: 11/02/2022]
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Sreekumar S, Wattjes J, Niehues A, Mengoni T, Mendes AC, Morris ER, Goycoolea FM, Moerschbacher BM. Biotechnologically produced chitosans with nonrandom acetylation patterns differ from conventional chitosans in properties and activities. Nat Commun 2022; 13:7125. [PMID: 36418307 PMCID: PMC9684148 DOI: 10.1038/s41467-022-34483-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Accepted: 10/27/2022] [Indexed: 11/24/2022] Open
Abstract
Chitosans are versatile biopolymers with multiple biological activities and potential applications. They are linear copolymers of glucosamine and N-acetylglucosamine defined by their degree of polymerisation (DP), fraction of acetylation (FA), and pattern of acetylation (PA). Technical chitosans produced chemically from chitin possess defined DP and FA but random PA, while enzymatically produced natural chitosans probably have non-random PA. This natural process has not been replicated using biotechnology because chitin de-N-acetylases do not efficiently deacetylate crystalline chitin. Here, we show that such enzymes can partially N-acetylate fully deacetylated chitosan in the presence of excess acetate, yielding chitosans with FA up to 0.7 and an enzyme-dependent non-random PA. The biotech chitosans differ from technical chitosans both in terms of physicochemical and nanoscale solution properties and biological activities. As with synthetic block co-polymers, controlling the distribution of building blocks within the biopolymer chain will open a new dimension of chitosan research and exploitation.
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Affiliation(s)
- Sruthi Sreekumar
- grid.5949.10000 0001 2172 9288Institute for Biology and Biotechnology of Plants, University of Münster, 48143 Münster, Germany ,grid.5170.30000 0001 2181 8870Research Group for Food Production Engineering, Laboratory of Nano-BioScience, National Food Institute, Technical University of Denmark, 2800 Kgs Lyngby, Denmark ,grid.9909.90000 0004 1936 8403School of Food Science and Nutrition, University of Leeds, LS2 9JT Leeds, United Kingdom
| | - Jasper Wattjes
- grid.5949.10000 0001 2172 9288Institute for Biology and Biotechnology of Plants, University of Münster, 48143 Münster, Germany ,grid.5170.30000 0001 2181 8870Research Group for Food Production Engineering, Laboratory of Nano-BioScience, National Food Institute, Technical University of Denmark, 2800 Kgs Lyngby, Denmark
| | - Anna Niehues
- grid.5949.10000 0001 2172 9288Institute for Biology and Biotechnology of Plants, University of Münster, 48143 Münster, Germany
| | - Tamara Mengoni
- grid.5949.10000 0001 2172 9288Institute for Biology and Biotechnology of Plants, University of Münster, 48143 Münster, Germany
| | - Ana C. Mendes
- grid.5170.30000 0001 2181 8870Research Group for Food Production Engineering, Laboratory of Nano-BioScience, National Food Institute, Technical University of Denmark, 2800 Kgs Lyngby, Denmark
| | - Edwin R. Morris
- grid.7872.a0000000123318773School of Food and Nutritional Sciences, University College Cork, Cork, Ireland
| | - Francisco M. Goycoolea
- grid.5949.10000 0001 2172 9288Institute for Biology and Biotechnology of Plants, University of Münster, 48143 Münster, Germany ,grid.9909.90000 0004 1936 8403School of Food Science and Nutrition, University of Leeds, LS2 9JT Leeds, United Kingdom
| | - Bruno M. Moerschbacher
- grid.5949.10000 0001 2172 9288Institute for Biology and Biotechnology of Plants, University of Münster, 48143 Münster, Germany
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Zhgun A, Avdanina D, Shagdarova B, Nuraeva G, Shumikhin K, Zhuikova Y, Il’ina A, Troyan E, Shitov M, Varlamov V. The Application of Chitosan for Protection of Cultural Heritage Objects of the 15-16th Centuries in the State Tretyakov Gallery. MATERIALS (BASEL, SWITZERLAND) 2022; 15:7773. [PMID: 36363375 PMCID: PMC9658413 DOI: 10.3390/ma15217773] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 10/19/2022] [Accepted: 10/28/2022] [Indexed: 06/16/2023]
Abstract
Microorganisms are one of the main factors in the deterioration of cultural heritage, in particular art paintings. The antiseptics currently used in painting have significant limitations due to insufficient effectiveness or increased toxicity and interaction with art materials. In this regard, the actual challenge is the search for novel materials that effectively work against microorganisms in the composition with painting materials and do not change their properties. Chitosan has pronounced antimicrobial properties but was not used previously as an antiseptic for paintings. In our study we developed a number of mock layers based on sturgeon glue, supplemented which chitosan (molecular weight 25 kDa or 45 kDa), standard antiseptics for paintings (positive controls) or without additives (negative control). According to Fourier transform infrared spectroscopy and atomic force microscopy, the addition of chitosan did not significantly affect the optical and surface properties of this material. The ability of chitosan to effectively protect paintings was shown after inoculation on the created mock-up layers of 10 fungi-destructors of tempera painting, previously isolated from cultural heritage of the of the 15-16th centuries in the State Tretyakov Gallery, on the created mock layers. Our study demonstrated the principled opportunity of using chitosan in the composition of painting materials to prevent biodeterioration for the first time.
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Affiliation(s)
- Alexander Zhgun
- Research Center of Biotechnology, Russian Academy of Sciences, 119071 Moscow, Russia
| | - Darya Avdanina
- Research Center of Biotechnology, Russian Academy of Sciences, 119071 Moscow, Russia
| | - Balzhima Shagdarova
- Research Center of Biotechnology, Russian Academy of Sciences, 119071 Moscow, Russia
| | - Gulgina Nuraeva
- Research Center of Biotechnology, Russian Academy of Sciences, 119071 Moscow, Russia
| | | | - Yuliya Zhuikova
- Research Center of Biotechnology, Russian Academy of Sciences, 119071 Moscow, Russia
| | - Alla Il’ina
- Research Center of Biotechnology, Russian Academy of Sciences, 119071 Moscow, Russia
| | - Egor Troyan
- State Tretyakov Gallery, 119017 Moscow, Russia
| | | | - Valery Varlamov
- Research Center of Biotechnology, Russian Academy of Sciences, 119071 Moscow, Russia
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Krzan M, Rey NG, Jarek E, Czakaj A, Santini E, Ravera F, Liggieri L, Warszynski P, Braunschweig B. Surface Properties of Saponin-Chitosan Mixtures. Molecules 2022; 27:7505. [PMID: 36364333 PMCID: PMC9658537 DOI: 10.3390/molecules27217505] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 10/25/2022] [Accepted: 10/26/2022] [Indexed: 08/03/2024] Open
Abstract
The surface properties of saponin and saponin-chitosan mixtures were analysed as a function of their bulk mixing ratio using vibrational sum-frequency generation (SFG), surface tensiometry and dilational rheology measurements. Our experiments show that saponin-chitosan mixtures present some remarkable properties, such as a strong amphiphilicity of the saponin and high dilational viscoelasticity. We believe this points to the presence of chitosan in the adsorption layer, despite its complete lack of surface activity. We explain this phenomenon by electrostatic interactions between the saponin as an anionic surfactant and chitosan as a polycation, leading to surface-active saponin-chitosan complexes and aggregates. Analysing the SFG intensity of the O-H stretching bands from interfacial water molecules, we found that in the case of pH 3.4 for a mixture consisting of 0.1 g/L saponin and 0.001 g/L chitosan, the adsorption layer was electrically neutral. This conclusion from SFG spectra is corroborated by results from surface tensiometry showing a significant reduction in surface tension and effects on the dilational surface elasticity strictly at saponin/chitosan ratios, where SFG spectra indicate zero net charge at the air-water interface.
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Affiliation(s)
- Marcel Krzan
- Jerzy Haber Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, ul. Niezapominajek 8, 30-239 Krakow, Poland
| | - Natalia García Rey
- Institute of Physical Chemistry and Center for Soft Nanoscience, Westfälische Wilhelms-Universität Münster, Corrensstraße 28/30, 48149 Münster, Germany
| | - Ewelina Jarek
- Jerzy Haber Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, ul. Niezapominajek 8, 30-239 Krakow, Poland
| | - Agnieszka Czakaj
- Jerzy Haber Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, ul. Niezapominajek 8, 30-239 Krakow, Poland
| | - Eva Santini
- Institute of Condensed Matter and Technologies for Energy, Consiglio Nazionale delle Ricerche, Via Marini 6, 16149 Genova, Italy
| | - Francesca Ravera
- Institute of Condensed Matter and Technologies for Energy, Consiglio Nazionale delle Ricerche, Via Marini 6, 16149 Genova, Italy
| | - Libero Liggieri
- Institute of Condensed Matter and Technologies for Energy, Consiglio Nazionale delle Ricerche, Via Marini 6, 16149 Genova, Italy
| | - Piotr Warszynski
- Jerzy Haber Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, ul. Niezapominajek 8, 30-239 Krakow, Poland
| | - Björn Braunschweig
- Institute of Physical Chemistry and Center for Soft Nanoscience, Westfälische Wilhelms-Universität Münster, Corrensstraße 28/30, 48149 Münster, Germany
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Rimoli CV, de Oliveira Pedro R, Miranda PB. Interaction mechanism of chitosan oligomers in pure water with cell membrane models studied by SFG vibrational spectroscopy. Colloids Surf B Biointerfaces 2022; 219:112782. [PMID: 36063719 DOI: 10.1016/j.colsurfb.2022.112782] [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: 05/18/2022] [Revised: 08/10/2022] [Accepted: 08/17/2022] [Indexed: 11/20/2022]
Abstract
Chitosan is a versatile and biocompatible cationic antimicrobial polymer obtained from sustainable sources that is effective against a wide range of microorganisms. Although it is soluble only at low pH, chitosan oligomers (ChitO) are soluble in pure water and thus more appropriate for antibacterial applications. Although there is a vast literature on chitosan's antimicrobial activity, the molecular details of its interaction with biomembranes remain unclear. Here we investigate these molecular interactions by resorting to phospholipid Langmuir films (zwitterionic DPPC and anionic DPPG) as simplified membrane models (for mammalian and bacterial membranes, respectively), and using SFG vibrational spectroscopy to probe lipid tail conformation, headgroup dynamics and interfacial water orientation. For comparison, we also investigate the interactions of another simple cationic antimicrobial polyelectrolyte, poly(allylamine) hydrochloride - PAH. By forming the lipid films over the polyelectrolyte solutions, we found that both have only a very small interaction with DPPC, but PAH adsorption is able to invert the interfacial water orientation (membrane potential). This might explain why ChitO is compatible with mammalian cells, while PAH is toxic. In contrast, their interaction with DPPG films is much stronger, even more so for ChitO, with both insertion within the lipid film and interaction with the oppositely charged headgroups. Again, PAH adsorption inverts the membrane potential, while ChitO does not. Finally, ChitO interaction with DPPG is weaker if the antimicrobial is injected underneath a pre-assembled Langmuir film, and its interaction mode depends on the time interval between end of film compression and ChitO injection. These differences between ChitO and PAH effects on the model membranes highlight the importance of molecular structure and intermolecular interactions for their bioactivity, and therefore this study may provide insights for the rational design of more effective antimicrobial molecules.
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Affiliation(s)
- Caio Vaz Rimoli
- Sao Carlos Physics Institute, University of Sao Paulo, CP 369, Sao Carlos CEP 13560-970, SP, Brazil; Laboratoire Kastler Brossel, ENS-Université PSL, CNRS, Sorbonne Université, College de France, 24 Rue Lhomond, F-75005 Paris, France
| | - Rafael de Oliveira Pedro
- Sao Carlos Physics Institute, University of Sao Paulo, CP 369, Sao Carlos CEP 13560-970, SP, Brazil; Department of exact and earth sciences, Minas Gerais State University (UEMG), Ituiutaba CEP 38302-192, MG, Brazil
| | - Paulo B Miranda
- Sao Carlos Physics Institute, University of Sao Paulo, CP 369, Sao Carlos CEP 13560-970, SP, Brazil.
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de Araújo MJG, Barbosa FC, Fook MVL, Silva SML, Leite IF. Influence of Quaternary Ammonium Salt Functionalized Chitosan Additive as Sustainable Filler for High-Density Polyethylene Composites. MATERIALS (BASEL, SWITZERLAND) 2022; 15:7418. [PMID: 36363010 PMCID: PMC9657044 DOI: 10.3390/ma15217418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Revised: 07/18/2022] [Accepted: 07/22/2022] [Indexed: 06/16/2023]
Abstract
In this study, an antimicrobial packaging material was successfully developed with blends of high-density polyethylene (HDPE) and chitosan (CS) made by melt processing. In the different HDPE/CS composites, the CS content effect (up to 40%), and the addition of quaternary ammonium salt functionalized chitosan (CS-CTAB) as an additive were evaluated by X-ray diffraction (XRD), differential scanning calorimetry (DSC), thermogravimetric analyses (TG), tensile strength, scanning electron microscopy (SEM) and antimicrobial activity. When analyzing the effect of the additive in the different HDPE/CS composites, it was observed that the compositions with 10 and 20 %wt of chitosan showed better elongation values (~13% and 10%) as well as a higher decomposition temperature at 20% mass loss (T20) varying from (321-332 °C and 302-312 °C), respectively, in relation to the other compositions, regardless of the type of additive used, it acted as an antimicrobial agent, promoting inhibition of microbial growth against the strains gram-positive and gram-negative used in this work, making the different HDPE/CS composites suitable candidates for use in food packaging.
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Affiliation(s)
- Maria José G. de Araújo
- Graduate Program in Science and Materials Engineering, Federal University of Paraíba, João Pessoa 58051-900, Brazil
| | - Francivandi C. Barbosa
- Department of Materials Engineering, Federal University of Campina Grande, Campina Grande 58429-900, Brazil
| | - Marcus Vinícius L. Fook
- Department of Materials Engineering, Federal University of Campina Grande, Campina Grande 58429-900, Brazil
| | - Suédina Maria L. Silva
- Department of Materials Engineering, Federal University of Campina Grande, Campina Grande 58429-900, Brazil
| | - Itamara F. Leite
- Department of Materials Engineering, Federal University of Paraíba, João Pessoa 58051-900, Brazil
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In vitro antimicrobial effects of chitosan on microcosm biofilms of oral candidiasis. J Dent 2022; 125:104246. [PMID: 35914573 DOI: 10.1016/j.jdent.2022.104246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 07/23/2022] [Accepted: 07/29/2022] [Indexed: 12/24/2022] Open
Abstract
OBJECTIVE This study assessed the effects of chitosan (CS) on microcosm biofilms derived from saliva of patients with Candida-associated denture stomatitis. METHODS Five removable denture wearers with denture stomatitis were included in the study. The minimum inhibitory concentration (MIC) of CS against clinical isolates of Candida albicans was determined according to the broth microdilution method. Pooled saliva from the donors was used as an inoculum for the formation of biofilms, which were developed during 72 h on acrylic surfaces in the Amsterdam Active Attachment model. The biofilms were then treated with different concentrations of CS, and the antibiofilm effects were evaluated through the quantification of colony-forming units (CFUs), total biomass (TB), metabolic activity (MA), lactic acid production (LAP), and cell viability (by confocal laser scanning microscopy). Chlorhexidine, miconazole, and nystatin were tested as positive controls, while the negative control (NC) was the untreated biofilm. Data were analyzed by 1-way ANOVA and Fischer LSD's post hoc test (α=0.05). RESULTS MIC values of CS ranged from 500 to 800 µg/mL. For CFUs, 2500 µg/mL CS was the most effective treatment in reducing total anaerobes, mutans streptococci, and Lactobacillus spp., significantly differing from the controls. For C. albicans CFUs, CS and positive controls did not differ from each other but led to significant reductions compared to NC. Regarding TB, MA, LAP, and cell viability, 2500 µg/mL CS promoted the greatest reductions compared to NC. CONCLUSION CS has similar or superior effects to conventional active principles on important parameters of oral candidiasis microcosm biofilms. CLINICAL RELEVANCE The antibiofilm effects of CS show that this compound has great potential to improve the clinical condition of denture stomatitis patients, and formulations containing this natural polymer could be useful for controlling oral candidiasis.
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Mansour H, El-Sigeny S, Shoman S, Abu-Serie MM, Tamer TM. Preparation, Characterization, and Bio Evaluation of Fatty N- Hexadecanyl Chitosan Derivatives for Biomedical Applications. Polymers (Basel) 2022; 14:polym14194011. [PMID: 36235961 PMCID: PMC9573078 DOI: 10.3390/polym14194011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 08/24/2022] [Accepted: 08/25/2022] [Indexed: 11/24/2022] Open
Abstract
The objective of this study was to improve the antibacterial activities of chitosan via N-alkyl substitution using 1-bromohexadecane. Mono and di substitution (Mono-NHD-Ch and Di-NHD-Ch) were prepared and characterized using FT-IR, HNMR, TGA, DSC, and SEM. Elemental analysis shows an increase in the C/N ratio from 5.45 for chitosan to 8.63 for Mono-NHD-Ch and 10.46 for Di-NHD-Ch. The antibacterial properties were evaluated against Escherichia coli, Pseudomonas aeruginosa, Staphylococcus aureus, and Bacillus cereus. In the examined microorganisms, the antibacterial properties of the novel alkyl derivatives increased substantially higher than chitosan. The minimum inhibitory concentration (MIC) of Mono-NHD-Ch and Di-NHD-Ch was perceived at 50 μg/mL against tested microorganisms, except for B. cereus. The MTT test was used to determine the cytotoxicity of the produced materials, which proved their safety to fibroblast cells. The findings suggest that the new N-Alkyl chitosan derivatives might be used as antibacterial alternatives to pure chitosan in wound infection treatments.
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Affiliation(s)
- Hanaa Mansour
- Department of Chemistry, Faculty of Science, Kafrelsheikh University, Kafrelsheikh 33516, Egypt
| | - Samia El-Sigeny
- Department of Chemistry, Faculty of Science, Kafrelsheikh University, Kafrelsheikh 33516, Egypt
| | - Sarah Shoman
- Department of Chemistry, Faculty of Science, Kafrelsheikh University, Kafrelsheikh 33516, Egypt
| | - Marwa M. Abu-Serie
- Medical Biotechnology Department, Genetic Engineering and Biotechnology Research Institute (GEBRI), City of Scientific Research and Technological Applications (SRTA-City), Alexandria 21934, Egypt
| | - Tamer M. Tamer
- Polymer Materials Research Department, Advanced Technology and New Materials Research Institute (ATNMRI), City of Scientific Research and Technological Applications (SRTA-City), Alexandria 21934, Egypt
- Infochemistry Scientific Center, ITMO University, 191002 Saint Petersburg, Russia
- Correspondence: ; Tel.: +7(965)0227468
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74
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Chemical Methods for Microbiological Control of Winemaking: An Overview of Current and Future Applications. BEVERAGES 2022. [DOI: 10.3390/beverages8030058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Preservation technologies for winemaking have relied mainly on the addition of sulfur dioxide (SO2), in consequence of the large spectrum of action of this compound, linked to the control of undesirable microorganisms and the prevention of oxidative phenomena. However, its potential negative effects on consumer health have addressed the interest of the international research on alternative treatments to substitute or minimize the SO2 content in grape must and wine. This review is aimed at analyzing chemical methods, both traditional and innovative, useful for the microbiological stabilization of wine. After a preliminary description of the antimicrobial and technological properties of SO2, the additive traditionally used during wine production, the effects of the addition (in must and wine) of other compounds officially permitted in winemaking, such as sorbic acid, dimethyl dicarbonate (DMDC), lysozyme and chitosan, are discussed and evaluated. Furthermore, other substances showing antimicrobial properties, for which the use for wine microbiological stabilization is not yet permitted in EU, are investigated. Even if these treatments exhibit a good efficacy, a single compound able to completely replace SO2 is not currently available, but a combination of different procedures might be useful to reduce the sulfite content in wine. Among the strategies proposed, particular interest is directed towards the use of insect-based chitosan as a reliable alternative to SO2, mainly due to its low environmental impact. The production of wines containing low sulfite levels by using pro-environmental practices can meet both the consumers’ expectations, who are even more interested in the healthy traits of foods, and wine-producers’ needs, who are interested in the use of sustainable practices to promote the profile of their brand.
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Arza CR, Li X, İlk S, Liu Y, Demircan D, Zhang B. Biocompatible non-leachable antimicrobial polymers with a nonionic hyperbranched backbone and phenolic terminal units. J Mater Chem B 2022; 10:8064-8074. [PMID: 36111601 DOI: 10.1039/d2tb01233b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This work aimed to develop biocompatible non-leachable antimicrobial polymers without ionic structures. A series of nonionic hyperbranched polymers (HBPs) with an isatin-based backbone and phenolic terminal units were synthesized and characterized. The molecular structures and thermal properties of the obtained HBPs were characterized by SEC, NMR, FTIR, TGA and DSC analyses. Disk diffusion assay revealed significant antibacterial activity of the obtained phenolic HBPs against nine different pathogenic bacteria. The presence of a methoxy or long alkyl group close to the phenolic unit enhanced the antibacterial effect against certain Gram positive and negative bacteria. The obtained nonionic HBPs were blended in polyester poly(hexamethylene terephthalate) films, which showed no noticeable leakage after being immersed in water for 5 days. Finally, these HBPs showed no cytotoxicity effect to MG-63 osteoblast-like human cells according to MTT analysis, and negligible hemolytic effect.
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Affiliation(s)
- Carlos R Arza
- Centre for Analysis and Synthesis, Department of Chemistry, Lund University, P.O. Box 124, SE-22100 Lund, Sweden.
| | - Xiaoya Li
- Centre for Analysis and Synthesis, Department of Chemistry, Lund University, P.O. Box 124, SE-22100 Lund, Sweden.
| | - Sedef İlk
- Niğde Ömer Halisdemir University, Faculty of Medicine, Department of Immunology, TR-51240 Niğde, Turkey
| | - Yang Liu
- Faculty of Medicine, Department of Clinical Sciences, Orthopedics, Lund University, Lund, Sweden
| | - Deniz Demircan
- Centre for Analysis and Synthesis, Department of Chemistry, Lund University, P.O. Box 124, SE-22100 Lund, Sweden.
| | - Baozhong Zhang
- Centre for Analysis and Synthesis, Department of Chemistry, Lund University, P.O. Box 124, SE-22100 Lund, Sweden.
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Thienngern P, Panichuttra A, Ratisoontorn C, Aumnate C, Matangkasombut O. Efficacy of chitosan paste as intracanal medication against Enterococcus faecalis and Candida albicans biofilm compared with calcium hydroxide in an in vitro root canal infection model. BMC Oral Health 2022; 22:354. [PMID: 35974361 PMCID: PMC9382833 DOI: 10.1186/s12903-022-02385-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Accepted: 08/04/2022] [Indexed: 12/03/2022] Open
Abstract
Background Enterococcus faecalis and Candida albicans are frequently found in persistent endodontic infection and could remain in dentinal tubules despite intracanal medication with calcium hydroxide (Ca(OH)2), a commonly used medication. Thus, an effective and safe antimicrobial medication against such refractory infection is necessary in endodontic retreatment, so we aimed to test the efficacy of chitosan paste against these microorganisms compared with Ca(OH)2 in root canals of extracted human teeth. Methods Thirty-six sterilized human root samples prepared from extracted premolars and upper maxillary incisors were infected with E. faecalis for 14 days, while 32 were infected with C. albicans for 48 h, for mature biofilm formation. The samples were assigned to 6 groups of intracanal medications: Group 1: no medication (negative control); Group 2: 20% Polyethylene glycol (PEG); Group 3: 20% Propylene glycol (PG); Group 4: Ca(OH)2; Group 5: Chitosan + PEG; and Group 6: Chitosan + PG. After 7 days, intracanal surface dentin was harvested using Protaper next, resuspended, serially diluted and spread on Brain–Heart-Infusion agar (for E. faecalis) and Yeast Extract-Peptone-Dextrose agar (for C. albicans) for colony count. Antimicrobial efficacy was determined as percentage of remaining colony forming unit (CFUs) relative to negative control and analyzed using One-way ANOVA and post-hoc Games-Howell test. The significance level was set at 0.05. Results For E. faecalis, chitosan + PG had significantly higher antibacterial activity than Ca(OH)2 (P = 0.039). Chitosan + PEG and chitosan + PG medication significantly reduced viable bacteria compared with negative control, PEG and PG (P = 0.001, 0.003, 0.024, respectively for chitosan + PEG; P = 0.002, 0.003, 0.014, respectively for chitosan + PG). For C.albicans, chitosan + PEG and chitosan + PG were not significantly different from Ca(OH)2. However, Chitosan + PEG and chitosan + PG, but not Ca(OH)2, showed a significantly lower level of remaining CFUs compared with negative control (P = 0.013 and 0.005, respectively). Conclusion Chitosan paste showed better efficacy in reducing viable E. faecalis biofilm when compared to Ca(OH)2 after 7-day intracanal medication in this in vitro root canal model. It could also significantly reduce viable C. albicans, but was not significantly different from Ca(OH)2. Supplementary Information The online version contains supplementary material available at 10.1186/s12903-022-02385-x.
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Affiliation(s)
- Pasika Thienngern
- Department of Operative Dentistry, Faculty of Dentistry, Chulalongkorn University, 34 Henri- Dunant Road, Wangmai, Patumwan, Bangkok, 10330, Thailand
| | - Anchana Panichuttra
- Department of Operative Dentistry, Faculty of Dentistry, Chulalongkorn University, 34 Henri- Dunant Road, Wangmai, Patumwan, Bangkok, 10330, Thailand.
| | - Chootima Ratisoontorn
- Department of Operative Dentistry, Faculty of Dentistry, Chulalongkorn University, 34 Henri- Dunant Road, Wangmai, Patumwan, Bangkok, 10330, Thailand
| | - Chuanchom Aumnate
- Metallurgy and Materials Science Research Institute, Chulalongkorn University, Soi Chula 12, Phayathai Road, Pathumwan, Bangkok, 10330, Thailand
| | - Oranart Matangkasombut
- Department of Microbiology and Center of Excellence on Oral Microbiology and Immunology, Faculty of Dentistry, Chulalongkorn University, 34 Henri- Dunant Road, Wangmai, Patumwan, Bangkok, 10330, Thailand. .,Research Laboratory of Biotechnoloty, Chulabhorn Research Institute, Kampangpetch 6 Rd, Laksi, Bangkok, 10120, Thailand.
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Negi A, Kesari KK. Chitosan Nanoparticle Encapsulation of Antibacterial Essential Oils. MICROMACHINES 2022; 13:mi13081265. [PMID: 36014186 PMCID: PMC9415589 DOI: 10.3390/mi13081265] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 08/01/2022] [Accepted: 08/04/2022] [Indexed: 05/09/2023]
Abstract
Chitosan is the most suitable encapsulation polymer because of its natural abundance, biodegradability, and surface functional groups in the form of free NH2 groups. The presence of NH2 groups allows for the facile grafting of functionalized molecules onto the chitosan surface, resulting in multifunctional materialistic applications. Quaternization of chitosan's free amino is one of the typical chemical modifications commonly achieved under acidic conditions. This quaternization improves its ionic character, making it ready for ionic-ionic surface modification. Although the cationic nature of chitosan alone exhibits antibacterial activity because of its interaction with negatively-charged bacterial membranes, the nanoscale size of chitosan further amplifies its antibiofilm activity. Additionally, the researcher used chitosan nanoparticles as polymeric materials to encapsulate antibiofilm agents (such as antibiotics and natural phytochemicals), serving as an excellent strategy to combat biofilm-based secondary infections. This paper provided a summary of available carbohydrate-based biopolymers as antibiofilm materials. Furthermore, the paper focuses on chitosan nanoparticle-based encapsulation of basil essential oil (Ocimum basilicum), mandarin essential oil (Citrus reticulata), Carum copticum essential oil ("Ajwain"), dill plant seed essential oil (Anethum graveolens), peppermint oil (Mentha piperita), green tea oil (Camellia sinensis), cardamom essential oil, clove essential oil (Eugenia caryophyllata), cumin seed essential oil (Cuminum cyminum), lemongrass essential oil (Cymbopogon commutatus), summer savory essential oil (Satureja hortensis), thyme essential oil, cinnamomum essential oil (Cinnamomum zeylanicum), and nettle essential oil (Urtica dioica). Additionally, chitosan nanoparticles are used for the encapsulation of the major essential components carvacrol and cinnamaldehyde, the encapsulation of an oil-in-water nanoemulsion of eucalyptus oil (Eucalyptus globulus), the encapsulation of a mandarin essential oil nanoemulsion, and the electrospinning nanofiber of collagen hydrolysate-chitosan with lemon balm (Melissa officinalis) and dill (Anethum graveolens) essential oil.
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Affiliation(s)
- Arvind Negi
- Department of Bioproduct and Biosystems, School of Chemical Engineering, Aalto University, 02150 Espoo, Finland
- Correspondence: or (A.N.); or (K.K.K.)
| | - Kavindra Kumar Kesari
- Department of Bioproduct and Biosystems, School of Chemical Engineering, Aalto University, 02150 Espoo, Finland
- Department of Applied Physics, School of Science, Aalto University, 02150 Espoo, Finland
- Correspondence: or (A.N.); or (K.K.K.)
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78
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Ferreira AC, Bomfim MRQ, da Costa Sobrinho CHDB, Boaz DTL, Da Silva Lira R, Fontes VC, Arruda MO, Zago PMW, Filho CAAD, Dias CJM, da Rocha Borges MO, Ribeiro RM, Bezerra CWB, Penha RS. Characterization, antimicrobial and cytotoxic activity of polymer blends based on chitosan and fish collagen. AMB Express 2022; 12:102. [PMID: 35925495 PMCID: PMC9352841 DOI: 10.1186/s13568-022-01433-7] [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: 04/27/2022] [Accepted: 07/05/2022] [Indexed: 11/10/2022] Open
Abstract
This study aims to produce, characterize, and assess the antimicrobial activity and cytotoxicity of polymer blends based on chitosan (CT) and fish collagen (COL) produced by different precipitation methods. Polymer blends were obtained in alkaline (NaOH), saline (NaCl), and alkaline/saline (NaOH/NaCl) solutions with different CT:COL concentration ratios (20:80, 50:50, and 80:20). The polymer blends were characterized by various physicochemical methods and subsequently evaluated in terms of their in vitro antimicrobial and cytotoxicity activity. In this study, the degree of chitosan deacetylation was 82%. The total hydroxyproline and collagen content in the fish matrix was 47.56 mg. g−1 and 394.75 mg. g−1, respectively. The highest yield was 44% and was obtained for a CT:COL (80:20) blend prepared by precipitation in NaOH. High concentrations of hydroxyproline and collagen in the blends were observed when NaOH precipitation was used. Microbiological analysis revealed that the strains used in this work were sensitive to the biomaterial; this sensitivity was dose-dependent and increased with increasing chitosan concentration in the products. The biocompatibility test showed that the blends did not reduce the viability of fibroblast cells after 48 h of culture. An analysis of the microbiological activity of the all-polymer blends showed a decrease in the values of minimal inhibitory concentration (MIC) and minimal bactericidal concentrations (MBC) for S. aureus and P. aeruginosa. The blends showed biocompatibility with NIH-3T3 murine fibroblast cells and demonstrated their potential for use in biomedical applications such as wound healing, implants, and scaffolds. Different precipitation methods do not change the biological properties of polymer blends. Gram-positive bacterias and Pseudomonas aeruginosa were sensitive to polymer blends. The blends produced showed biocompatibility in NIH-3T3 murine fibroblast cells.
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Affiliation(s)
- Andressa Coelho Ferreira
- Programa de Doutorado em Biotecnologia (RENORBIO), Universidade Federal do Maranhão (UFMA), São Luís, Brazil
| | - Maria Rosa Quaresma Bomfim
- Programa de Doutorado em Biotecnologia (RENORBIO), Universidade Federal do Maranhão (UFMA), São Luís, Brazil
| | | | | | | | | | | | | | | | | | | | | | | | - Rosiane Silva Penha
- Instituto Federal de Educação, Ciência e Tecnologia do Maranhão (IFMA), S/N, Residencial Val paraíso, Sapucaia, Rosario, 65143-000, Brazil.
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79
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Subramaniyan K, Kemparaj U, Chavan S, Karuppaiah M, Pandian P. Comparative Evaluation of Antimicrobial Activity of Cotton Balls Incorporated With Musa paradisiaca and Chitosan: An In Vitro Study. Cureus 2022; 14:e27553. [PMID: 36059341 PMCID: PMC9428423 DOI: 10.7759/cureus.27553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/01/2022] [Indexed: 12/03/2022] Open
Abstract
Introduction: Antibiotics are one of the great advances in medicine. But overusing them has led to resistant bacteria (bacteria that are harder to treat). The current study foresees better non-toxic antimicrobial substances (conventional antibiotics) that insist to consider medicinal plants and animal-derived products, which have better antibiotics without any side effects. The goal of this in-vitro study was to evaluate the antimicrobial activity of cotton balls incorporated with Musa paradisiaca and chitosan. Materials and methods: Musa paradisiaca, chitosan, and gentamicin-reinforced cotton balls were considered in three groups namely Group 1, Group 2, and Group 3, which tested against the strains of Staphylococcus aureus, Escherichia coli, Actinomyces israelii, Streptococcus mutans, andBacteroides fragilis. For the present study, pre-sterilized cotton balls were taken and then soaked with Banana peel extract and soluble chitosan solution at different concentrations of 500 μg/ml, 250 μg/ml, 100 μg/ml, and 50 μg/ml under aseptic conditions and were dried at 50° overnight. The same incorporation method was followed for a 10mg/ml concentration of gentamicin, which was used as a positive control group. Results: In this current study, the banana peel extract, soluble chitosan, and gentamicin exhibited antimicrobial activity against all the tested microorganisms. In the well diffusion method, at the concentration of 500 μg/ml and 250 μg/ml, chitosan and banana peel extract were comparatively better than the positive control group (gentamicin) at a higher concentration of 10 mg/ml. Conclusion: From the results of the present study, a lower concentration of the testing group (soluble chitosan and banana peel extract) exhibited a better effect when compared to a higher concentration of gentamicin. Hence, chitosan and banana peel extract impregnated cotton could be preferred for routine clinical scenarios like wounds, extractions sockets, and during any short intraoperative surgical procedures periodontal surgery, where it can provide maximal antimicrobial effects without the side effects of antibiotics.
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80
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Singh A, Sheikh J. Preparation of mosquito repellent, antibacterial and UV protective cotton using a novel, chitosan-based polymeric dye. Carbohydr Polym 2022; 290:119466. [DOI: 10.1016/j.carbpol.2022.119466] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 03/09/2022] [Accepted: 04/04/2022] [Indexed: 11/16/2022]
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81
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Tao R, Lu Y, Xia W, Zhang C, Wang C. Characterization and antibacterial activity of ruthenium-based shikimate cross-linked chitosan composites. Int J Biol Macromol 2022; 217:890-901. [PMID: 35907455 DOI: 10.1016/j.ijbiomac.2022.07.205] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 07/22/2022] [Accepted: 07/25/2022] [Indexed: 11/25/2022]
Abstract
The unsustainable antibacterial activity of ruthenium antibacterial agents is an important factor limiting their applications. This present work attempts to prepare ruthenium (Ru) coordination polymer composites with chitosan quaternary ammonium polymers (CQ) and shikimic acid (SA) through the interaction of ionic bonds and covalent bonds by microwave-assisted high-pressure homogenization methods. The prepared CQ@Ru-SA was characterized by size distribution, zeta potential, TEM, UV-vis, FTIR, XPS and XRD analyses. The coordination structure and morphology of Bridge-CQ-NH-Ru-SA were verified. The CQ@Ru-SA was well-dispersed in both the aqueous or anhydrous states. MIC and MBC, time-killing curves, biofilm formation inhibition assay, mature biofilm disruption assay, SEM, Ca2+ mobilization assay and Ca2+-Mg2+-ATPase activity studies revealed that CQ@Ru-SA had a stronger inhibitory effect against S. aureus than CQ and showed sustained antibacterial properties in the dynamic time-killing curves. Meanwhile, CQ@Ru-SA had good antibacterial effects against S. aureus and inhibited their biofilm forming ability in a dose-dependent manner. Further studies on antibacterial mechanisms revealed that CQ@Ru-SA influenced cell membrane integrity, Ca2+-Mg2+-ATPase activity on the cell membrane and intracellular Ca2+ levels of S. aureus. This study will provide the necessary data for the further design and development of ruthenium-based photosensitive antibacterial agents.
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Affiliation(s)
- Ran Tao
- Institute of Chemical Industry of Forest Products, CAF, Nanjing 210042, Jiangsu Province, China; Research Institute of Forestry New Technology, CAF, Beijing 100091, China.
| | - Yin Lu
- General Hospital of Eastern Theater Command, Nanjing 210002, Jiangsu Province, China
| | - Wubing Xia
- Jiangsu Honghui Pharmaceutical Company Limited, China
| | - Changwei Zhang
- Institute of Chemical Industry of Forest Products, CAF, Nanjing 210042, Jiangsu Province, China; Research Institute of Forestry New Technology, CAF, Beijing 100091, China
| | - Chengzhang Wang
- Institute of Chemical Industry of Forest Products, CAF, Nanjing 210042, Jiangsu Province, China; Research Institute of Forestry New Technology, CAF, Beijing 100091, China.
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82
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Sánchez-Cid P, Jiménez-Rosado M, Romero A, Pérez-Puyana V. Novel Trends in Hydrogel Development for Biomedical Applications: A Review. Polymers (Basel) 2022; 14:polym14153023. [PMID: 35893984 PMCID: PMC9370620 DOI: 10.3390/polym14153023] [Citation(s) in RCA: 68] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 07/21/2022] [Accepted: 07/22/2022] [Indexed: 12/11/2022] Open
Abstract
Nowadays, there are still numerous challenges for well-known biomedical applications, such as tissue engineering (TE), wound healing and controlled drug delivery, which must be faced and solved. Hydrogels have been proposed as excellent candidates for these applications, as they have promising properties for the mentioned applications, including biocompatibility, biodegradability, great absorption capacity and tunable mechanical properties. However, depending on the material or the manufacturing method, the resulting hydrogel may not be up to the specific task for which it is designed, thus there are different approaches proposed to enhance hydrogel performance for the requirements of the application in question. The main purpose of this review article was to summarize the most recent trends of hydrogel technology, going through the most used polymeric materials and the most popular hydrogel synthesis methods in recent years, including different strategies of enhancing hydrogels’ properties, such as cross-linking and the manufacture of composite hydrogels. In addition, the secondary objective of this review was to briefly discuss other novel applications of hydrogels that have been proposed in the past few years which have drawn a lot of attention.
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Affiliation(s)
| | | | - Alberto Romero
- Correspondence: (P.S.-C.); (A.R.); Tel.: +34-954557179 (A.R.)
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83
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Hydrothermal Synthesis of Chitosan and Tea Tree Oil on Plain and Satin Weave Cotton Fabrics. MATERIALS 2022; 15:ma15145034. [PMID: 35888500 PMCID: PMC9315746 DOI: 10.3390/ma15145034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Revised: 07/12/2022] [Accepted: 07/14/2022] [Indexed: 11/17/2022]
Abstract
The paper aimed at enhancing the antimicrobial activity of chitosan by using tea tree essential oil with the purpose of durably finishing cotton fabrics for use in a hospital environment. The influence of crosslinkers and catalysts on the possibility of obtaining stable bonds using hydrothermal in situ synthesis between cellulosic material and chitosan with and without tea tree essential oil was investigated in detail. The morphology of the sample surface before and after the treatment and textile care cycle was investigated using a field emission scanning electron microscopy (FE-SEM) and indicated the presence of chitosan and a thin film on all treated samples, which showed durability of the treatment. The FTIR spectra obtained by Fourier transform infrared spectroscopy (FTIR) using attenuated total reflection measurement technique (ATR) analysis, showed that all the samples tested recorded physicochemical changes in the structure. The analysis of the samples on the goniometer proved the hydrophilicity of the materials, with a film forming on the surface of the treated samples, which is extremely beneficial given the end use of dressing samples to promote wound healing. The presence of a significant amount of bound chitosan with tea tree oil was confirmed by measuring the mass per unit area of the samples after the treatment and textile care cycles. The results of antimicrobial efficacy show that the materials treated with chitosan were resistant to bacteria and fungi in most cases, but only the samples treated in Bath I showed a zone of inhibition against the fungus Candida albicans, indicating the positive effect of tea tree essential oil.
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84
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Bai L, Liu L, Esquivel M, Tardy BL, Huan S, Niu X, Liu S, Yang G, Fan Y, Rojas OJ. Nanochitin: Chemistry, Structure, Assembly, and Applications. Chem Rev 2022; 122:11604-11674. [PMID: 35653785 PMCID: PMC9284562 DOI: 10.1021/acs.chemrev.2c00125] [Citation(s) in RCA: 70] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Chitin, a fascinating biopolymer found in living organisms, fulfills current demands of availability, sustainability, biocompatibility, biodegradability, functionality, and renewability. A feature of chitin is its ability to structure into hierarchical assemblies, spanning the nano- and macroscales, imparting toughness and resistance (chemical, biological, among others) to multicomponent materials as well as adding adaptability, tunability, and versatility. Retaining the inherent structural characteristics of chitin and its colloidal features in dispersed media has been central to its use, considering it as a building block for the construction of emerging materials. Top-down chitin designs have been reported and differentiate from the traditional molecular-level, bottom-up synthesis and assembly for material development. Such topics are the focus of this Review, which also covers the origins and biological characteristics of chitin and their influence on the morphological and physical-chemical properties. We discuss recent achievements in the isolation, deconstruction, and fractionation of chitin nanostructures of varying axial aspects (nanofibrils and nanorods) along with methods for their modification and assembly into functional materials. We highlight the role of nanochitin in its native architecture and as a component of materials subjected to multiscale interactions, leading to highly dynamic and functional structures. We introduce the most recent advances in the applications of nanochitin-derived materials and industrialization efforts, following green manufacturing principles. Finally, we offer a critical perspective about the adoption of nanochitin in the context of advanced, sustainable materials.
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Affiliation(s)
- Long Bai
- Key
Laboratory of Bio-based Material Science & Technology (Ministry
of Education), Northeast Forestry University, Harbin 150040, P.R. China
- Bioproducts
Institute, Department of Chemical & Biological Engineering, Department
of Chemistry, and Department of Wood Science, 2360 East Mall, The University of British Columbia, Vancouver, BC V6T 1Z3, Canada
| | - Liang Liu
- Jiangsu
Co-Innovation Center of Efficient Processing and Utilization of Forest
Resources, Jiangsu Key Lab of Biomass-Based Green Fuel and Chemicals,
College of Chemical Engineering, Nanjing
Forestry University, 159 Longpan Road, Nanjing 210037, P.R. China
| | - Marianelly Esquivel
- Polymer
Research Laboratory, Department of Chemistry, National University of Costa Rica, Heredia 3000, Costa Rica
| | - Blaise L. Tardy
- Department
of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, FI-00076 Aalto, Finland
- Department
of Chemical Engineering, Khalifa University, Abu Dhabi, United Arab Emirates
| | - Siqi Huan
- Key
Laboratory of Bio-based Material Science & Technology (Ministry
of Education), Northeast Forestry University, Harbin 150040, P.R. China
- Bioproducts
Institute, Department of Chemical & Biological Engineering, Department
of Chemistry, and Department of Wood Science, 2360 East Mall, The University of British Columbia, Vancouver, BC V6T 1Z3, Canada
| | - Xun Niu
- Bioproducts
Institute, Department of Chemical & Biological Engineering, Department
of Chemistry, and Department of Wood Science, 2360 East Mall, The University of British Columbia, Vancouver, BC V6T 1Z3, Canada
| | - Shouxin Liu
- Key
Laboratory of Bio-based Material Science & Technology (Ministry
of Education), Northeast Forestry University, Harbin 150040, P.R. China
| | - Guihua Yang
- State
Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of
Sciences, Jinan 250353, China
| | - Yimin Fan
- Jiangsu
Co-Innovation Center of Efficient Processing and Utilization of Forest
Resources, Jiangsu Key Lab of Biomass-Based Green Fuel and Chemicals,
College of Chemical Engineering, Nanjing
Forestry University, 159 Longpan Road, Nanjing 210037, P.R. China
| | - Orlando J. Rojas
- Bioproducts
Institute, Department of Chemical & Biological Engineering, Department
of Chemistry, and Department of Wood Science, 2360 East Mall, The University of British Columbia, Vancouver, BC V6T 1Z3, Canada
- Department
of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, FI-00076 Aalto, Finland
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85
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Alp-Erbay E. Nanomaterials Utilized in Food Packaging: State-of-the-Art. FOOD ENGINEERING REVIEWS 2022. [DOI: 10.1007/s12393-022-09318-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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86
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Salazar R, Salas-Gomez V, Alvarado AA, Baykara H. Preparation, Characterization and Evaluation of Antibacterial Properties of Polylactide-Polyethylene Glycol-Chitosan Active Composite Films. Polymers (Basel) 2022; 14:polym14112266. [PMID: 35683938 PMCID: PMC9183075 DOI: 10.3390/polym14112266] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 05/26/2022] [Accepted: 05/27/2022] [Indexed: 02/01/2023] Open
Abstract
Chitin is a natural biopolymer obtained from the exoskeleton of crustaceans. Chitosan is a derivative of chitin, which has antimicrobial properties and potential applications in several industries. Moreover, the composites of chitosan with other biodegradable polymers, such as polylactide (PLA) as packaging film, have shown promising results. In this study, chitosan was obtained and characterized from shrimp shells. Then, polylactide-chitosan composite films were prepared by a solvent casting technique using various amounts of chitosan (0.5–2% w/w) and polyethylene glycol as plasticizer (10% w/w). Thermal, mechanical properties, Fourier-transform infrared, scanning electron microscopy, as well as antibacterial properties of composite films were determined. It was found that adding chitosan (CH) into PLA films has a significant effect on tensile strength and no effect on thermal properties. The results showed a reduction on average of 1 log of colony-forming units against Staphylococcus aureus, while there is no antibacterial effect against Salmonella typhimurium. The study proved the antibacterial effect of CH in films of PLA against Gram-positive bacteria and appropriate mechanical properties. These films could be used for the development of biodegradable/eco-friendly food packaging prototypes, as a potential solution to replace conventional non-degradable packaging materials.
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Affiliation(s)
- Rómulo Salazar
- Escuela Superior Politécnica del Litoral, ESPOL, Facultad de Ingeniería en Mecánica y Ciencias de la Producción, Campus Gustavo Galindo, Km 30.5 Vía Perimetral, P.O. BOX 09-01-5863, Guayaquil 090902, Ecuador;
- Correspondence: (R.S.); (H.B.)
| | - Veronica Salas-Gomez
- Escuela Superior Politécnica del Litoral, ESPOL, Facultad de Ingeniería en Mecánica y Ciencias de la Producción, Campus Gustavo Galindo, Km 30.5 Vía Perimetral, P.O. BOX 09-01-5863, Guayaquil 090902, Ecuador;
| | - Adriana A. Alvarado
- Escuela Superior Politécnica del Litoral, ESPOL, Facultad de Ciencias Naturales y Matemáticas, Departamento de Química y Ciencias Ambientales, Campus Gustavo Galindo, Km 30.5 Vía Perimetral, Guayaquil 090902, Ecuador;
| | - Haci Baykara
- Escuela Superior Politécnica del Litoral, ESPOL, Facultad de Ingeniería en Mecánica y Ciencias de la Producción, Campus Gustavo Galindo, Km 30.5 Vía Perimetral, P.O. BOX 09-01-5863, Guayaquil 090902, Ecuador;
- Escuela Superior Politécnica del Litoral, ESPOL, Center of Nanotechnology Research and Development (CIDNA), Campus Gustavo Galindo, Km 30.5 Vía Perimetral, P.O. BOX 09-01-5863, Guayaquil 090902, Ecuador
- Correspondence: (R.S.); (H.B.)
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Korniienko V, Husak Y, Radwan-Pragłowska J, Holubnycha V, Samokhin Y, Yanovska A, Varava J, Diedkova K, Janus Ł, Pogorielov M. Impact of Electrospinning Parameters and Post-Treatment Method on Antibacterial and Antibiofilm Activity of Chitosan Nanofibers. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27103343. [PMID: 35630820 PMCID: PMC9142982 DOI: 10.3390/molecules27103343] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 05/11/2022] [Accepted: 05/12/2022] [Indexed: 12/13/2022]
Abstract
Chitosan, a natural biopolymer, is an ideal candidate to prepare biomaterials capable of preventing microbial infections due to its antibacterial properties. Electrospinning is a versatile method ideally suited to process biopolymers with minimal impact on their physicochemical properties. However, fabrication parameters and post-processing routine can affect biological activity and, therefore, must be well adjusted. In this study, nanofibrous membranes were prepared using trifluoroacetic acid and dichloromethane and evaluated for physiochemical and antimicrobial properties. The use of such biomaterials as potential antibacterial agents was extensively studied in vitro using Staphylococcus aureus and Escherichia coli as test organisms. The antibacterial assay showed inhibition of bacterial growth and eradication of the planktonic cells of both E. coli and S. aureus in the liquid medium for up to 6 hrs. The quantitative assay showed a significant reduction in bacteria cell viability by nanofibers depending on the method of fabrication. The antibacterial properties of these biomaterials can be attributed to the structural modifications provided by co-solvent formulation and application of post-treatment procedure. Consequently, the proposed antimicrobial surface modification method is a promising technique to prepare biomaterials designed to induce antimicrobial resistance via antiadhesive capability and the biocide-releasing mechanism.
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Affiliation(s)
- Viktoriia Korniienko
- Biomedical Research Centre, Sumy State University, 2, Rymsky-Korsakov Str., 40007 Sumy, Ukraine; (Y.H.); (V.H.); (Y.S.); (A.Y.); (J.V.); (K.D.)
- Correspondence: (V.K.); (J.R.-P.); (M.P.); Tel.: +86-380504071171 (V.K.); +86-12-628-27-76 (J.R.-P.); +86-37122460705 (M.P.)
| | - Yevheniia Husak
- Biomedical Research Centre, Sumy State University, 2, Rymsky-Korsakov Str., 40007 Sumy, Ukraine; (Y.H.); (V.H.); (Y.S.); (A.Y.); (J.V.); (K.D.)
- Faculty of Chemistry, Silesian University of Technology, 44-100 Gliwice, Poland
| | - Julia Radwan-Pragłowska
- Department of Biotechnology and Physical Chemistry, Faculty of Chemical Engineering and Technology, Cracow University of Technology, Warszawska 24 Street, 31-155 Cracow, Poland;
- Correspondence: (V.K.); (J.R.-P.); (M.P.); Tel.: +86-380504071171 (V.K.); +86-12-628-27-76 (J.R.-P.); +86-37122460705 (M.P.)
| | - Viktoriia Holubnycha
- Biomedical Research Centre, Sumy State University, 2, Rymsky-Korsakov Str., 40007 Sumy, Ukraine; (Y.H.); (V.H.); (Y.S.); (A.Y.); (J.V.); (K.D.)
| | - Yevhen Samokhin
- Biomedical Research Centre, Sumy State University, 2, Rymsky-Korsakov Str., 40007 Sumy, Ukraine; (Y.H.); (V.H.); (Y.S.); (A.Y.); (J.V.); (K.D.)
| | - Anna Yanovska
- Biomedical Research Centre, Sumy State University, 2, Rymsky-Korsakov Str., 40007 Sumy, Ukraine; (Y.H.); (V.H.); (Y.S.); (A.Y.); (J.V.); (K.D.)
| | - Julia Varava
- Biomedical Research Centre, Sumy State University, 2, Rymsky-Korsakov Str., 40007 Sumy, Ukraine; (Y.H.); (V.H.); (Y.S.); (A.Y.); (J.V.); (K.D.)
| | - Kateryna Diedkova
- Biomedical Research Centre, Sumy State University, 2, Rymsky-Korsakov Str., 40007 Sumy, Ukraine; (Y.H.); (V.H.); (Y.S.); (A.Y.); (J.V.); (K.D.)
| | - Łukasz Janus
- Department of Biotechnology and Physical Chemistry, Faculty of Chemical Engineering and Technology, Cracow University of Technology, Warszawska 24 Street, 31-155 Cracow, Poland;
| | - Maksym Pogorielov
- Biomedical Research Centre, Sumy State University, 2, Rymsky-Korsakov Str., 40007 Sumy, Ukraine; (Y.H.); (V.H.); (Y.S.); (A.Y.); (J.V.); (K.D.)
- Institute of Atomic Physics and Spectroscopy, University of Latvia, Jelgavas iela 3, LV-1004 Riga, Latvia
- Correspondence: (V.K.); (J.R.-P.); (M.P.); Tel.: +86-380504071171 (V.K.); +86-12-628-27-76 (J.R.-P.); +86-37122460705 (M.P.)
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Zhou Z, Yang Y, He L, Wang J, Xiong J. Molecular docking reveals Chitosan nanoparticle protection mechanism for dentin against Collagen-binding bacteria. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2022; 33:43. [PMID: 35551510 PMCID: PMC9106623 DOI: 10.1007/s10856-022-06665-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 04/22/2022] [Indexed: 06/15/2023]
Abstract
The medical application of chitosan (Cs) has been for about half a century, but the molecular mechanism has not been elucidated yet. This study is to explore the antibacterial mechanism of chitosan nanoparticles (Csnp) in dentin at the atomic resolution level. Extracted tooth specimen was prepared in three groups: A. control group; B. Csnp treatment under ultrasonic agitation (UA); C. Csnp treatment without UA. A scanning electron microscope (SEM) was used to observe the Csnp distribution on the dentin surface. The incubations of Enterococcus faecalis (E. faecalis) were performed. Further, we explored the protection mechanism of chitosan polymers to collagen type I, using molecular docking technique and crystal structure superimposition analysis. We revealed that Csnp under UA was evenly distributed on the dental surface and the Csnp-pretreated dentin had great antibacterial activity for E. faecalis. Our work demonstrated that Csnp occupied the grooves of the triple-helical collagen surface, strengthened by crosslinking, and interfered with the bond of collagen adhesin through steric hindrance effect and interrupting hydrophobic interaction. Csnp protects dentin against E. faecalis by interacting and crosslinking with collagen type I and prevents bacterial collagen adhesin binding through steric hindrance effect and interrupting hydrophobic interaction. Graphical abstract.
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Affiliation(s)
- Ziliang Zhou
- Department of Oral Emergency and General Dentistry, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou, China
| | - Yanyan Yang
- Department of Oral Emergency and General Dentistry, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou, China
| | - Lu He
- Department of Oral Emergency and General Dentistry, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou, China
| | - Junmei Wang
- Department of Oral Emergency and General Dentistry, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou, China
| | - Jie Xiong
- Department of Oral Emergency and General Dentistry, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou, China.
- Beijing Stomatological Hospital, Capital Medical University, Beijing, China.
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89
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Biomedical polymers: synthesis, properties, and applications. Sci China Chem 2022; 65:1010-1075. [PMID: 35505924 PMCID: PMC9050484 DOI: 10.1007/s11426-022-1243-5] [Citation(s) in RCA: 62] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 04/01/2022] [Indexed: 02/07/2023]
Abstract
Biomedical polymers have been extensively developed for promising applications in a lot of biomedical fields, such as therapeutic medicine delivery, disease detection and diagnosis, biosensing, regenerative medicine, and disease treatment. In this review, we summarize the most recent advances in the synthesis and application of biomedical polymers, and discuss the comprehensive understanding of their property-function relationship for corresponding biomedical applications. In particular, a few burgeoning bioactive polymers, such as peptide/biomembrane/microorganism/cell-based biomedical polymers, are also introduced and highlighted as the emerging biomaterials for cancer precision therapy. Furthermore, the foreseeable challenges and outlook of the development of more efficient, healthier and safer biomedical polymers are discussed. We wish this systemic and comprehensive review on highlighting frontier progress of biomedical polymers could inspire and promote new breakthrough in fundamental research and clinical translation.
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90
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Abstract
This paper deals with the question about how early humans managed to feed themselves, and how they preserved and stored food for times of need. It attempts to show how humans interacted with their environments and demonstrate what lessons can be learnt from the about 3.4 million years of food processing and preservation. It includes a discussion about how hominins shifted from consumption of nuts and berries toward meat and learnt to control and use fire. Cooking with fire generated more food-related energy and enabled humans to have more mobility. The main trust of the paper is on historical food preservations, organized from the perspectives of key mechanical, thermal, biological and chemical processes. Emerging food processes are also highlighted. Furthermore, how humans historically dealt with food storage and packaging and how early humans interacted with their given environments are discussed. Learnings from the history of food preservation and culinary practices of our ancestors provide us with an understanding of their culture and how they adapted and lived with their given environments to ensure adequacy of food supply. Collaboration between food scientists and anthropologists is advocated as this adds another dimension to building resilient and sustainable food systems for the future.
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Affiliation(s)
- Dietrich Knorr
- Food Biotechnology and Food Process Engineering, Technische Universität Berlin, Berlin, Germany
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91
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Sangboonruang S, Semakul N, Sookkree S, Kantapan J, Ngo-Giang-Huong N, Khamduang W, Kongyai N, Tragoolpua K. Activity of Propolis Nanoparticles against HSV-2: Promising Approach to Inhibiting Infection and Replication. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27082560. [PMID: 35458758 PMCID: PMC9032435 DOI: 10.3390/molecules27082560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Revised: 04/10/2022] [Accepted: 04/13/2022] [Indexed: 11/16/2022]
Abstract
Herpes simplex type 2 (HSV-2) infection causes a significant life-long disease. Long-term side effects of antiviral drugs can lead to the emergence of drug resistance. Thus, propolis, a natural product derived from beehives, has been proposed to prevent or treat HSV-2 infections. Unfortunately, therapeutic applications of propolis are still limited due its poor solubility. To overcome this, a nanoparticle-based drug delivery system was employed. An ethanolic extract of propolis (EEP) was encapsulated in nanoparticles composed of poly(lactic-co-glycolic acid) and chitosan using a modified oil-in-water single emulsion by using the solvent evaporation method. The produced nanoparticles (EEP-NPs) had a spherical shape with a size of ~450 nm and presented satisfactory physicochemical properties, including positively charged surface (38.05 ± 7.65 mV), high entrapment efficiency (79.89 ± 13.92%), and sustained release profile. Moreover, EEP-NPs were less cytotoxic on Vero cells and exhibited anti-HSV-2 activity. EEP-NPs had a direct effect on the inactivation of viral particles, and also disrupted the virion entry and release from the host cells. A significant decrease in the expression levels of the HSV-2 replication-related genes (ICP4, ICP27, and gB) was also observed. Our study suggests that EEP-NPs provide a strong anti-HSV-2 activity and serve as a promising platform for the treatment of HSV-2 infections.
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Affiliation(s)
- Sirikwan Sangboonruang
- Division of Clinical Microbiology, Department of Medical Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai 50200, Thailand; (S.S.); (S.S.); (W.K.)
- Infectious Diseases Research Unit (IDRU), Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Natthawat Semakul
- Department of Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand;
| | - Sanonthinee Sookkree
- Division of Clinical Microbiology, Department of Medical Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai 50200, Thailand; (S.S.); (S.S.); (W.K.)
| | - Jiraporn Kantapan
- Molecular Imaging and Therapy Research Unit, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai 50200, Thailand;
| | - Nicole Ngo-Giang-Huong
- Associated Medical Sciences (AMS)-CMU IRD Research Collaboration, Chiang Mai 50200, Thailand;
- Maladies Infectieuses et Vecteurs: Écologie, Génétique, Évolution et Contrôle (MIVEGEC), University of Montpellier, Centre National de la Recherche Scientifique (CNRS), Institut de Recherche Pour le Développement (IRD), 34394 Montpellier, France
| | - Woottichai Khamduang
- Division of Clinical Microbiology, Department of Medical Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai 50200, Thailand; (S.S.); (S.S.); (W.K.)
- Infectious Diseases Research Unit (IDRU), Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Natedao Kongyai
- Division of Clinical Microbiology, Department of Medical Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai 50200, Thailand; (S.S.); (S.S.); (W.K.)
- Infectious Diseases Research Unit (IDRU), Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai 50200, Thailand
- Correspondence: (N.K.); (K.T.)
| | - Khajornsak Tragoolpua
- Division of Clinical Microbiology, Department of Medical Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai 50200, Thailand; (S.S.); (S.S.); (W.K.)
- Infectious Diseases Research Unit (IDRU), Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai 50200, Thailand
- Correspondence: (N.K.); (K.T.)
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92
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Zhu DY, Chen ZP, Hong ZP, Zhang L, Liang X, Li Y, Duan X, Luo H, Peng J, Guo J. Injectable thermo-sensitive and wide-crack self-healing hydrogel loaded with antibacterial anti-inflammatory dipotassium glycyrrhizate for full-thickness skin wound repair. Acta Biomater 2022; 143:203-215. [PMID: 35245682 DOI: 10.1016/j.actbio.2022.02.041] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 02/16/2022] [Accepted: 02/25/2022] [Indexed: 02/07/2023]
Abstract
Severe skin injuries are hard to repair and susceptible to bacterial infection. Development of a versatile antimicrobial anti-inflammatory hydrogel dressing that eliminates concern over antibiotic resistance is urgently needed but remains an elusive goal. Our research, described herein, the design and fabrication of a new family of supramolecular hydrogels based on hydroxypropyl chitosan (HPCS) and poly(N-isopropylacrylamide) (PNIPAM) may prove to be that goal. Employing the reversible cross-linking by β-cyclodextrin (β-CD) and adamantyl (AD) pre-assembly, the hydrogels can be formed in a facile one-pot method. Additionally, the structure and performance of the hydrogels can be controlled by a simple adjustment of the AD content. The obtained hydrogels exhibit an abundance of desired properties; they are injectable, thermosensitive, highly ductile, self-healable (will self-heal recurring damage to the hydrogel bandage of up to several millimeters wide), biocompatible, and have antimicrobial activity against Staphylococcus aureus when infused with dipotassium glycyrrhizinate (DG). Using a mouse full-thickness skin defect model, in vivo wound healing evaluations revealed that the DG-loaded hydrogels (HP-3/DG10) applied to the wound resulted in rapid wound closure. The hydrogels promoted efficient tissue remolding, collagen deposition, decreased inflammation and performed better than the control groups of commercial TegadermTM film and 3M dressing. Given their multifunctionality and in vivo efficacy, the DG-loaded HP hydrogels hold great potential as a wound dressing for full-thickness skin repair. STATEMENT OF SIGNIFICANCE: Injectable hydrogels are receiving increasing attention as an ideal wound dressing. To the best of our knowledge, however, injectable and wide-crack self-healing hydrogel dressings have been hardly studied. A versatile antimicrobial hydrogel without drug resistance or cytotoxicity is also highly required. Therefore, in the present study, we constructed injectable thermosensitive and wide-crack self-healing hydrogels with antibacterial and anti-inflammatory properties. These hydrogels were developed through novel strategies of the wide-crack self-healing design and the loading of the bioactive antibacterial and anti-inflammatory agent dipotassium glycyrrhizinate. The simple preparation method and multifunctionality of the studied hydrogel composites may provide important insights for the development of future biomaterials for wound dressings and other biomedical applications.
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93
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Svensson SE, Oliveira AO, Adolfsson KH, Heinmaa I, Root A, Kondori N, Ferreira JA, Hakkarainen M, Zamani A. Turning food waste to antibacterial and biocompatible fungal chitin/chitosan monofilaments. Int J Biol Macromol 2022; 209:618-630. [PMID: 35427640 DOI: 10.1016/j.ijbiomac.2022.04.031] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 04/03/2022] [Accepted: 04/04/2022] [Indexed: 11/26/2022]
Abstract
Here, cell wall of a zygomycete fungus, Rhizopus delemar, grown on bread waste was wet spun into monofilaments. Using the whole cell wall material omits the common chitosan isolation and purification steps and leads to higher material utilization. The fungal cell wall contained 36.9% and 19.7% chitosan and chitin, respectively. Solid state NMR of the fungal cell wall material confirmed the presence of chitosan, chitin, and other carbohydrates. Hydrogels were prepared by ultrafine grinding of the cell wall, followed by addition of lactic acid to protonate the amino groups of chitosan, and subsequently wet spun into monofilaments. The monofilament inhibited the growth of Bacillus megaterium (Gram+ bacterium) and Escherichia coli (Gram- bacterium) significantly (92.2% and 99.7% respectively). Cytotoxicity was evaluated using an in vitro assay with human dermal fibroblasts, indicating no toxic inducement from exposure of the monofilaments. The antimicrobial and biocompatible fungal monofilaments, open new avenues for sustainable biomedical textiles from abundant food waste.
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Affiliation(s)
- Sofie E Svensson
- Swedish Centre for Resource Recovery, University of Borås, 50190 Borås, Sweden.
| | - Ana Osório Oliveira
- Department of Physiology and Pharmacology, Karolinska Institutet, 171 77 Stockholm, Sweden.
| | - Karin H Adolfsson
- Department of Fibre and Polymer Technology, KTH Royal Institute of Technology, 100 44 Stockholm, Sweden.
| | - Ivo Heinmaa
- National Institute of Chemical Physics and Biophysics, 12618 Tallinn, Estonia
| | - Andrew Root
- MagSol, Tuhkanummenkuja 2, 00970 Helsinki, Finland
| | - Nahid Kondori
- Department of Infectious Diseases, Institution of Biomedicine, The Sahlgrenska Academy, University of Gothenburg, 413 46 Gothenburg, Sweden.
| | - Jorge A Ferreira
- Swedish Centre for Resource Recovery, University of Borås, 50190 Borås, Sweden
| | - Minna Hakkarainen
- Department of Fibre and Polymer Technology, KTH Royal Institute of Technology, 100 44 Stockholm, Sweden.
| | - Akram Zamani
- Swedish Centre for Resource Recovery, University of Borås, 50190 Borås, Sweden.
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94
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Huang K, Yi J, Young GM, Nitin N. Cell-based carriers incorporated antimicrobial coatings on diverse food contact surfaces for preventing cross-contamination of fresh produce. Food Control 2022. [DOI: 10.1016/j.foodcont.2021.108700] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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95
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Design strategies for antiviral coatings and surfaces: A review ☆. APPLIED SURFACE SCIENCE ADVANCES 2022; 8:100224. [PMCID: PMC8865753 DOI: 10.1016/j.apsadv.2022.100224] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Revised: 02/06/2022] [Accepted: 02/15/2022] [Indexed: 05/31/2023]
Abstract
The routine disinfection and sanitization of surfaces, objects, and textiles has become a time-consuming but necessary task for managing the COVID-19 pandemic. Nonetheless, the excessive use of sanitizers and disinfectants promotes the development of antibiotic-resistant microbes. Moreover, that improper disinfection could lead to more virus transfer, which leads to more viral mutations. Recently developed antiviral surface coatings can reduce the reliance on traditional disinfectants. These surfaces remain actively antimicrobial between periods of active cleaning of the surfaces, allowing a much more limited and optimized use of disinfectants. The novel nature of these surfaces has led, however, to many inconsistencies within the rapidly growing literature. Here we provide tools to guide the design and development of antimicrobial and antiviral surfaces and coatings. We describe how engineers can best choose testing options and propose new avenues for antiviral testing. After defining testing protocols, we summarize potential inorganic and organic materials able to serve as antiviral surfaces and present their antiviral mechanisms. We discuss the main limitations to their application, including issues related to toxicity, antimicrobial resistance, and environmental concerns. We propose solutions to counter these limitations and highlight how the context of specific use of an antiviral surface must guide material selection. Finally, we discuss how the use of coatings that combine multiple antimicrobial mechanisms can avoid the development of antibiotic resistance and improve the antiviral properties of these surfaces.
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96
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The Chitosan-Based System with Scutellariae baicalensis radix Extract for the Local Treatment of Vaginal Infections. Pharmaceutics 2022; 14:pharmaceutics14040740. [PMID: 35456574 PMCID: PMC9028937 DOI: 10.3390/pharmaceutics14040740] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 03/25/2022] [Accepted: 03/26/2022] [Indexed: 02/01/2023] Open
Abstract
Scutellarie baicalensis radix, as a flavone-rich source, exhibits antibacterial, antifungal, antioxidant, and anti-inflammatory activity. It may be used as a therapeutic agent to treat various diseases, including vaginal infections. In this study, six binary mixtures of chitosan with stable S. baicalensis radix lyophilized extract were obtained and identified by spectral (ATR-FTIR, XRPD) and thermal (TG and DSC) methods. The changes in dissolution rates of active compounds and the significant increase in the biological properties towards metal chelating activity were observed, as well as the inhibition of hyaluronic acid degradation after mixing plant extract with chitosan. Moreover, the combination of S. baicalensis radix lyophilized extract with a carrier allowed us to obtain the binary systems with a higher antifungal activity than the pure extract, which may be effective in developing new strategies in the vaginal infections treatment, particularly vulvovaginal candidiasis.
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97
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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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98
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Symmetry between Structure–Antibacterial Effect of Polymers Functionalized with Phosphonium Salts. Symmetry (Basel) 2022. [DOI: 10.3390/sym14030572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
In actual context, when the terms of biomass and bioenergy are extensively used, it becomes clear that the comparative study of some biopolymers, such as cellulose and chitosan, can offer a large usage range, based on the scientific progress obtained in the biomaterials field. Starting from the structural similarity of these two polymers, we synthesized composite materials by grafting on their surface biocide substances (phosphonium salts). After testing the biocidal effect, we can conclude that the antibacterial effect depends on the ratio of support to phosphonium salt, influenced by the interaction between the cationic component of the biocides and by the anionic component of the bacterial cellular membrane. It was also observed that for the materials obtained by cellulose functionalization with tri-n-butyl-hexadecyl phosphonium bromide, the bacterial effect on E. coli strain was much better when chitosan was used as the support material.
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99
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Roy R, Jan R, Joshi U, B R, Taneja A, Satsangi PG. Functionalization of Bio-polymer based nanofibers with clay minerals as nanofillers: promising material for antibacterial applications. JOURNAL OF POLYMER RESEARCH 2022. [DOI: 10.1007/s10965-022-02967-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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100
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Lei L, Wang X, Zhu Y, Su W, Lv Q, Li D. Antimicrobial hydrogel microspheres for protein capture and wound healing. MATERIALS & DESIGN 2022; 215:110478. [DOI: 10.1016/j.matdes.2022.110478] [Citation(s) in RCA: 36] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/04/2024]
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