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Zhu Q, Guan J, Tian B, Wang P. Rational design of antibiotic-free antimicrobial contact lenses: Trade-offs between antimicrobial performance and biocompatibility. BIOMATERIALS ADVANCES 2024; 164:213990. [PMID: 39154560 DOI: 10.1016/j.bioadv.2024.213990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2024] [Revised: 07/20/2024] [Accepted: 08/05/2024] [Indexed: 08/20/2024]
Abstract
Microbial keratitis associated with contact lenses (CLs) wear remains a significant clinical concern. Antibiotic therapy is the current standard of care. However, the emergence of multidrug-resistant pathogens necessitates the investigation of alternative strategies. Antibiotic-free antimicrobial contact lenses (AFAMCLs) represent a promising approach in this regard. The effectiveness of CLs constructed with a variety of antibiotic-free antimicrobial strategies against microorganisms has been demonstrated. However, the impact of these antimicrobial strategies on CLs biocompatibility remains unclear. In the design and development of AFAMCLs, striking a balance between robust antimicrobial performance and optimal biocompatibility, including safety and wearing comfort, is a key issue. This review provides a comprehensive overview of recent advancements in AFAMCLs technology. The focus is on the antimicrobial efficacy and safety of various strategies employed in AFAMCLs construction. Furthermore, this review investigates the potential impact of these strategies on CLs parameters related to wearer comfort. This review aims to contribute to the continuous improvement of AFAMCLs and provide a reference for the trade-off between resistance to microorganisms and wearing comfort. In addition, it is hoped that this review can also provide a reference for the antimicrobial design of other medical devices.
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Affiliation(s)
- Qiang Zhu
- School of Pharmacy, Jiangsu Key Laboratory of Inflammation and Molecular Drug Targets, Nantong University, Nantong 226001, China.
| | - Jian Guan
- School of Pharmacy, Shenyang Key Laboratory of Intelligent Mucosal Drug Delivery Systems, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Bin Tian
- Department of Pharmaceutical Sciences, School of Biomedical and Pharmaceutical Sciences, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Puxiu Wang
- Department of Pharmacy, The First Hospital of China Medical University, Shenyang 110001, China.
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2
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Park N, Moon CE, Song Y, Yu Sun S, Kwon JM, Yoon S, Park S, Jeong B, Yeun J, Hardie JM, Lee JK, Lee KG, Ji YW, Im SG. Long-Lasting, Transparent Antibacterial Shield: A Durable, Broad-Spectrum Anti-Bacterial, Non-Cytotoxic, Transparent Nanocoating for Extended Wear Contact Lenses. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2405635. [PMID: 39344596 DOI: 10.1002/smll.202405635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2024] [Revised: 09/19/2024] [Indexed: 10/01/2024]
Abstract
The increasing incidence of serious bacterial keratitis, a sight-threatening condition often exacerbated by inadequate contact lens (CLs) care, highlights the need for innovative protective technology. This study introduces a long-lasting antibacterial, non-cytotoxic, transparent nanocoating for CLs via a solvent-free polymer deposition method, aiming to prevent bacterial keratitis. The nanocoating comprises stacked polymer films, with poly(dimethylaminomethyl styrene-co-ethylene glycol dimethacrylate) (pDE) as a biocompatible, antibacterial layer atop poly(2,4,6,8-tetramethyl-2,4,6,8-tetravinylcyclotetrasiloxane) (pV4D4) as an adhesion-promoting layer. The pD6E1-grafted (g)-pV4D4 film shows non-cytotoxicity toward two human cell lines and antibacterial activity of >99% against four bacteria, including methicillin-resistant Staphylococcus aureus (MRSA), an antibiotic-resistant bacteria and Pseudomonas aeruginosa, which causes ocular diseases. Additionally, the film demonstrates long-lasting antibacterial activity greater than 96% against MRSA for 9 weeks in phosphate-buffered saline. To the best knowledge, this duration represents the longest reported long-term stability with less than 5% decay of antibacterial performance among contact-killing antibacterial coatings. The film exhibits exceptional mechanical durability, retaining its antibacterial activity even after 15 washing cycles. The pD6E1-g-pV4D4-coated CL maintains full optical transmittance compared to that of pristine CL. It is expected that the unprecedentedly prolonged antibacterial performance of the coating will significantly alleviate the risk of infection for long-term CL users.
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Affiliation(s)
- Nahyun Park
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Daejeo, Yuseong-gu, 34141, Republic of Korea
| | - Chae-Eun Moon
- Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, 03722, Republic of Korea
| | - Younseong Song
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Daejeo, Yuseong-gu, 34141, Republic of Korea
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital and, Harvard Medical School, Boston, Massachusetts, 02139, USA
| | - Sang Yu Sun
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Daejeo, Yuseong-gu, 34141, Republic of Korea
| | - Ji-Min Kwon
- Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, 03722, Republic of Korea
| | - Sunghyun Yoon
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Daejeo, Yuseong-gu, 34141, Republic of Korea
| | - Seonghyeon Park
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Daejeo, Yuseong-gu, 34141, Republic of Korea
| | - Booseok Jeong
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Daejeo, Yuseong-gu, 34141, Republic of Korea
| | - Jemin Yeun
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Daejeo, Yuseong-gu, 34141, Republic of Korea
| | - Joseph Michael Hardie
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital and, Harvard Medical School, Boston, Massachusetts, 02139, USA
| | - Jun-Ki Lee
- Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, 03722, Republic of Korea
| | - Kyoung G Lee
- Division of Nano-Bio Sensors/Chips Development, National NanoFab Center (NNFC), 291 Daehak-ro, Daejeon, Yuseong-gu, 34141, Republic of Korea
| | - Yong Woo Ji
- Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, 03722, Republic of Korea
- Department of Ophthalmology, Yongin Severance Hospital, Yonsei University College of Medicine, Yongin-si, 16995, Republic of Korea
| | - Sung Gap Im
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Daejeo, Yuseong-gu, 34141, Republic of Korea
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3
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Jiang X, Jin Y, Zeng Y, Shi P, Li W. Self-Implantable Core-Shell Microneedle Patch for Long-Acting Treatment of Keratitis via Programmed Drug Release. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2310461. [PMID: 38396201 DOI: 10.1002/smll.202310461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 01/20/2024] [Indexed: 02/25/2024]
Abstract
Bacteria-induced keratitis is a major cause of corneal blindness in both developed and developing countries. Instillation of antibiotic eyedrops is the most common management of bacterial keratitis but usually suffers from low bioavailability (i.e., <5%) and frequent administration, due to the existence of corneal epithelial barrier that prevents large and hydrophilic drug molecules from entering the cornea, and the tear film on corneal surface that rapidly washes drug away from the cornea. Here, a self-implantable core-shell microneedle (MN) patch with programmed drug release property to facilitate bacterial keratitis treatment is reported. The pH-responsive antimicrobial nanoparticles (NPs), Ag@ZIF-8, which are capable of producing antibacterial metal ions in the infected cornea and generating oxidative stress in bacteria, are loaded in the dissolvable core, while the anti-angiogenic drug, rapamycin (Rapa), is encapsulated in the biodegradable shell, thereby enabling rapid release of Ag@ZIF-8 NPs and sustained release of Rapa after corneal insertion. Owing to the programmed release feature, one single administration of the core-shell MN patch in a rat model of bacterial keratitis, can achieve satisfactory antimicrobial activity and superior anti-angiogenic and anti-inflammation effects as compared to daily topical eyedrops, indicating a great potential for the infectious keratitis therapy in clinics.
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Affiliation(s)
- Xue Jiang
- Department of Thyroid and Breast Surgery, Zhongnan Hospital of Wuhan University, School of Pharmaceutical Sciences, Wuhan University, Wuhan, 430071, China
| | - Yinli Jin
- Department of Thyroid and Breast Surgery, Zhongnan Hospital of Wuhan University, School of Pharmaceutical Sciences, Wuhan University, Wuhan, 430071, China
| | - Yongnian Zeng
- Department of Thyroid and Breast Surgery, Zhongnan Hospital of Wuhan University, School of Pharmaceutical Sciences, Wuhan University, Wuhan, 430071, China
| | - Peng Shi
- Department of Biomedical Engineering, The City University of Hong Kong, Kowloon, Hong Kong SAR, 999077, China
| | - Wei Li
- Department of Thyroid and Breast Surgery, Zhongnan Hospital of Wuhan University, School of Pharmaceutical Sciences, Wuhan University, Wuhan, 430071, China
- TaiKang Center for Life and Medical Sciences, Wuhan University, Wuhan, 430071, China
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4
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Voinescu A, Licker M, Muntean D, Musuroi C, Musuroi SI, Izmendi O, Vulpie S, Jumanca R, Munteanu M, Cosnita A. A Comprehensive Review of Microbial Biofilms on Contact Lenses: Challenges and Solutions. Infect Drug Resist 2024; 17:2659-2671. [PMID: 38947374 PMCID: PMC11214797 DOI: 10.2147/idr.s463779] [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: 02/11/2024] [Accepted: 06/03/2024] [Indexed: 07/02/2024] Open
Abstract
Contact lenses (CL) have become an immensely popular means of vision correction, offering comfort to millions worldwide. However, the persistent issue of biofilm formation on lenses raises significant problems, leading to various ocular complications and discomfort. The aim of this review is to develop safer and more effective strategies for preventing and managing microbial biofilms on CL, improving the eye health and comfort of wearers. Taking these into consideration, the present study investigates the intricate mechanisms of biofilm formation, by exploring the interplay between microbial adhesion, the production of extracellular polymeric substances, and the properties of the lens material itself. Moreover, it emphasizes the diverse range of microorganisms involved, encompassing bacteria, fungi, and other opportunistic pathogens, elucidating their implications within lenses and other medical device-related infections and inflammatory responses. Going beyond the challenges posed by biofilms on CL, this work explores the advancements in biofilm detection techniques and their clinical relevance. It discusses diagnostic tools like confocal microscopy, genetic assays, and emerging technologies, assessing their capacity to identify and quantify biofilm-related infections. Finally, the paper delves into contemporary strategies and innovative approaches for managing and preventing biofilms development on CL. In Conclusion, this review provides insights for eye care practitioners, lens manufacturers, and microbiology researchers. It highlights the intricate interactions between biofilms and CL, serving as a foundation for the development of effective preventive measures and innovative solutions to enhance CL safety, comfort, and overall ocular health. Research into microbial biofilms on CL is continuously evolving, with several future directions being explored to address challenges and improve eye health outcomes as far as CL wearers are concerned.
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Affiliation(s)
- Adela Voinescu
- Doctoral School “Victor Babes” University of Medicine and Pharmacy, Timisoara, Romania
- Department of Microbiology, Multidisciplinary Research Center on Antimicrobial Resistance, “Victor Babes” University of Medicine and Pharmacy, Timisoara, Romania
- Clinical Laboratory, “Pius Brinzeu” Emergency Clinical County Hospital, Timisoara, Romania
| | - Monica Licker
- Department of Microbiology, Multidisciplinary Research Center on Antimicrobial Resistance, “Victor Babes” University of Medicine and Pharmacy, Timisoara, Romania
- Clinical Laboratory, “Pius Brinzeu” Emergency Clinical County Hospital, Timisoara, Romania
| | - Delia Muntean
- Department of Microbiology, Multidisciplinary Research Center on Antimicrobial Resistance, “Victor Babes” University of Medicine and Pharmacy, Timisoara, Romania
- Clinical Laboratory, “Pius Brinzeu” Emergency Clinical County Hospital, Timisoara, Romania
| | - Corina Musuroi
- Department of Microbiology, Multidisciplinary Research Center on Antimicrobial Resistance, “Victor Babes” University of Medicine and Pharmacy, Timisoara, Romania
- Clinical Laboratory, “Pius Brinzeu” Emergency Clinical County Hospital, Timisoara, Romania
| | - Silvia Ioana Musuroi
- Doctoral School “Victor Babes” University of Medicine and Pharmacy, Timisoara, Romania
| | - Oana Izmendi
- Doctoral School “Victor Babes” University of Medicine and Pharmacy, Timisoara, Romania
- Department of Microbiology, Multidisciplinary Research Center on Antimicrobial Resistance, “Victor Babes” University of Medicine and Pharmacy, Timisoara, Romania
| | - Silvana Vulpie
- Doctoral School “Victor Babes” University of Medicine and Pharmacy, Timisoara, Romania
- Department of Microbiology, Multidisciplinary Research Center on Antimicrobial Resistance, “Victor Babes” University of Medicine and Pharmacy, Timisoara, Romania
| | - Romanita Jumanca
- Romanian and Foreign Languages Department, “Victor Babes” University of Medicine and Pharmacy, Timisoara, Romania
| | - Mihnea Munteanu
- Department IX, Surgery and Ophthalmology “Victor Babes” University of Medicine and Pharmacy, Timisoara, Romania
| | - Andrei Cosnita
- Department IX, Surgery and Ophthalmology “Victor Babes” University of Medicine and Pharmacy, Timisoara, Romania
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Damyanova T, Dimitrova PD, Borisova D, Topouzova-Hristova T, Haladjova E, Paunova-Krasteva T. An Overview of Biofilm-Associated Infections and the Role of Phytochemicals and Nanomaterials in Their Control and Prevention. Pharmaceutics 2024; 16:162. [PMID: 38399223 PMCID: PMC10892570 DOI: 10.3390/pharmaceutics16020162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 01/04/2024] [Accepted: 01/22/2024] [Indexed: 02/25/2024] Open
Abstract
Biofilm formation is considered one of the primary virulence mechanisms in Gram-positive and Gram-negative pathogenic species, particularly those responsible for chronic infections and promoting bacterial survival within the host. In recent years, there has been a growing interest in discovering new compounds capable of inhibiting biofilm formation. This is considered a promising antivirulence strategy that could potentially overcome antibiotic resistance issues. Effective antibiofilm agents should possess distinctive properties. They should be structurally unique, enable easy entry into cells, influence quorum sensing signaling, and synergize with other antibacterial agents. Many of these properties are found in both natural systems that are isolated from plants and in synthetic systems like nanoparticles and nanocomposites. In this review, we discuss the clinical nature of biofilm-associated infections and some of the mechanisms associated with their antibiotic tolerance. We focus on the advantages and efficacy of various natural and synthetic compounds as a new therapeutic approach to control bacterial biofilms and address multidrug resistance in bacteria.
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Affiliation(s)
- Tsvetozara Damyanova
- Stephan Angeloff Institute of Microbiology, Bulgarian Academy of Sciences, Akad. G. Bonchev St. bl. 26, 1113 Sofia, Bulgaria; (T.D.); (P.D.D.); (D.B.)
| | - Petya D. Dimitrova
- Stephan Angeloff Institute of Microbiology, Bulgarian Academy of Sciences, Akad. G. Bonchev St. bl. 26, 1113 Sofia, Bulgaria; (T.D.); (P.D.D.); (D.B.)
| | - Dayana Borisova
- Stephan Angeloff Institute of Microbiology, Bulgarian Academy of Sciences, Akad. G. Bonchev St. bl. 26, 1113 Sofia, Bulgaria; (T.D.); (P.D.D.); (D.B.)
| | - Tanya Topouzova-Hristova
- Faculty of Biology, Sofia University “St. K. Ohridski”, 8 D. Tsankov Blvd., 1164 Sofia, Bulgaria
| | - Emi Haladjova
- Institute of Polymers, Bulgarian Academy of Sciences, Akad. G. Bonchev St. bl. 103-A, 1113 Sofia, Bulgaria;
| | - Tsvetelina Paunova-Krasteva
- Stephan Angeloff Institute of Microbiology, Bulgarian Academy of Sciences, Akad. G. Bonchev St. bl. 26, 1113 Sofia, Bulgaria; (T.D.); (P.D.D.); (D.B.)
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6
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Costa D, De Matteis V, Treso F, Montani G, Martino M, Rinaldi R, Corrado M, Cascione M. Impact of the physical properties of contact lens materials on the discomfort: role of the coefficient of friction. Colloids Surf B Biointerfaces 2024; 233:113630. [PMID: 37956592 DOI: 10.1016/j.colsurfb.2023.113630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 10/31/2023] [Accepted: 11/01/2023] [Indexed: 11/15/2023]
Abstract
Contact Lens Discomfort (CLD) is the main cause in contact lens (CLs) discontinuation, referred in literature as drop-out phenomenon. Despite such evidence was reported in several clinical studies, a relationship between physico-chemical properties of CLs and CLD is not still totally understood. In this regard, the friction of CLs surfaces seems to be related to discomfort feeling events, probably due to an alteration of the lubricate function of the tear film after the CL placement inside the ocular environment. In the last years, many studies have been finalized to the friction measurements of CLs surface, finding conflicting data due to a lack in standardized protocol. The aim of this review is primarily to show evident relationships between CLs surface properties (i.e. wettability, tear evaporation, tear film quality, etc.) and the coefficient of friction (CoF), resulting therefore the most relevant physical quantity in the CLs characterization. In addition, we reported the most recent studies in CLs tribology, which highlight that the introduction of a standard protocol in CoF measurements is necessary to obtain reproducible results, considering the aim to evaluate in a more precise way the relationship between this material surface property and comfort in CLs users.
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Affiliation(s)
- D Costa
- Department of Mathematics and Physics "Ennio De Giorgi", University of Salento, Via Arnesano, Lecce 73100, Italy
| | - V De Matteis
- Department of Mathematics and Physics "Ennio De Giorgi", University of Salento, Via Arnesano, Lecce 73100, Italy; Institute for Microelectronics and Microsystems (IMM), CNR, Via Monteroni, Lecce 73100, Italy.
| | - F Treso
- Department of Mathematics and Physics "Ennio De Giorgi", University of Salento, Via Arnesano, Lecce 73100, Italy; Centro di Ricerca in Contattologia Avanzata, Via Arnesano, Lecce 73100, Italy
| | - G Montani
- Department of Mathematics and Physics "Ennio De Giorgi", University of Salento, Via Arnesano, Lecce 73100, Italy; Centro di Ricerca in Contattologia Avanzata, Via Arnesano, Lecce 73100, Italy
| | - M Martino
- Department of Mathematics and Physics "Ennio De Giorgi", University of Salento, Via Arnesano, Lecce 73100, Italy; Centro di Ricerca in Contattologia Avanzata, Via Arnesano, Lecce 73100, Italy
| | - R Rinaldi
- Department of Mathematics and Physics "Ennio De Giorgi", University of Salento, Via Arnesano, Lecce 73100, Italy; Institute for Microelectronics and Microsystems (IMM), CNR, Via Monteroni, Lecce 73100, Italy
| | - M Corrado
- Department of Mathematics and Physics "Ennio De Giorgi", University of Salento, Via Arnesano, Lecce 73100, Italy
| | - M Cascione
- Department of Mathematics and Physics "Ennio De Giorgi", University of Salento, Via Arnesano, Lecce 73100, Italy; Institute for Microelectronics and Microsystems (IMM), CNR, Via Monteroni, Lecce 73100, Italy; Centro di Ricerca in Contattologia Avanzata, Via Arnesano, Lecce 73100, Italy.
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7
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Yuan W, Zhao F, Liu X, Xu J. Development of corneal contact lens materials and current clinical application of contact lenses: A review. Biointerphases 2023; 18:050801. [PMID: 37756594 DOI: 10.1116/6.0002618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 08/31/2023] [Indexed: 09/29/2023] Open
Abstract
Unlike conventional glasses, corneal contact lenses (CLs) can directly contact the surface of the tear film through the application of biopolymer materials, to achieve therapeutic and cosmetic purposes. Since the advent of polymethylmethacrylate, a material that has gained widespread use and attention, statistically, there are now more than 150 × 106 people around the world who wear corneal contact lenses. However, the associated complications caused by the interaction of contact lenses with the ocular surface, tear film, endogenous and environmental microorganisms, and components of the solution affect nearly one-third of the wearer population. The application of corneal contact lenses in correcting vision and myopia control has been widely recognized. With the development of related materials, corneal contact lenses are applied to the treatment of ocular surface diseases, including corneal bandage lenses, drug-loaded corneal contact lenses, biosensors, and other new products, while minimizing the side effects associated with CL wear. This paper summarized the development history and material properties of CLs, focused on the current main clinical applications and mechanisms, as well as clarified the possible complications in wearing therapeutic contact lenses and the direction for improvement in the future.
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Affiliation(s)
- Weichen Yuan
- Department of Ophthalmology, The Fourth Affiliated Hospital of China Medical University, Shenyang 110005, China
| | - Fangkun Zhao
- Department of Ophthalmology, The Fourth Affiliated Hospital of China Medical University, Shenyang 110005, China
| | - Xiaoyu Liu
- Department of Ophthalmology, Dalian Third People's Hospital Affiliated to Dalian Medical University, Dalian 116033, China
| | - Jun Xu
- Department of Ophthalmology, Dalian Third People's Hospital Affiliated to Dalian Medical University, Dalian 116033, China
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8
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Madkhali OA. A comprehensive review on potential applications of metallic nanoparticles as antifungal therapies to combat human fungal diseases. Saudi Pharm J 2023; 31:101733. [PMID: 37649674 PMCID: PMC10463261 DOI: 10.1016/j.jsps.2023.101733] [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: 04/24/2023] [Accepted: 07/29/2023] [Indexed: 09/01/2023] Open
Abstract
Human pathogenic fungi are responsible for causing a range of infection types including mucosal, skin, and invasive infections. Life-threatening and invasive fungal infections (FIs) are responsible for mortality and morbidity, especially for individuals with compromised immune function. The number of currently available therapeutic agents against invasive FIs is limited compared to that against bacterial infections. In addition, the increased mortality and morbidity caused by FIs are linked to the limited number of available antifungal agents, antifungal resistance, and the increased toxicity of these agents. Currently available antifungal agents have several drawbacks in efficiency, efficacy, toxicity, activity spectrum, and selectivity. It has already been demonstrated with numerous metallic nanoparticles (MNPs) that these nanoparticles can serve as an effective and alternative solution as fungicidal agents. MNPs have great potential owing to their intrinsic antifungal properties and potential to deliver antifungal drugs. For instance, gold nanoparticles (AuNPs) have the capacity to disturb mitochondrial calcium homeostasis induced AuNP-mediated cell death in Candida albicans. In addition, both copper nanoparticles and copper oxide nanoparticles exerted significant suppressive properties against pathogenic fungi. Silver nanoparticles showed strong antifungal properties against numerous pathogenic fungi, such as Stachybotrys chartarum, Mortierella alpina, Chaetomium globosum, A. fumigatus, Cladosporium cladosporioides, Penicillium brevicompactum, Trichophyton rubrum, C. tropicalis, and C. albicans. Iron oxide nanoparticles showed potent antifungal activities against A. niger and P. chrysogenum. It has also been reported that zinc oxide nanoparticles can significantly inhibit fungal growth. These NPs have already exerted potent antifungal properties against a number of pathogenic fungal species including Candida, Aspergillus, Fusarium, and many others. Several strategies are currently used for the research and development of antifungal NPs including chemical modification of NPs and combination with the available drugs. This review has comprehensively presented the current and innovative antifungal approach using MNPs. Moreover, different types of MNPs, their physicochemical characteristics, and production techniques have been summarized in this review.
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Affiliation(s)
- Osama A. Madkhali
- Department of Pharmaceutics, College of Pharmacy, Jazan University, Jazan 45124, Saudi Arabia
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9
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Wang X, Luan F, Yue H, Song C, Wang S, Feng J, Zhang X, Yang W, Li Y, Wei W, Tao Y. Recent advances of smart materials for ocular drug delivery. Adv Drug Deliv Rev 2023; 200:115006. [PMID: 37451500 DOI: 10.1016/j.addr.2023.115006] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 07/04/2023] [Accepted: 07/06/2023] [Indexed: 07/18/2023]
Abstract
Owing to the variety and complexity of ocular diseases and the natural ocular barriers, drug therapy for ocular diseases has significant limitations, such as poor drug targeting to the site of the disease, poor drug penetration, and short drug retention time in the vitreous body. With the development of biotechnology, biomedical materials have reached the "smart" stage. To date, despite their inability to overcome all the aforementioned drawbacks, a variety of smart materials have been widely tested to treat various ocular diseases. This review analyses the most recent developments in multiple smart materials (inorganic particles, polymeric particles, lipid-based particles, hydrogels, and devices) to treat common ocular diseases and discusses the future directions and perspectives regarding clinical translation issues. This review can help researchers rationally design more smart materials for specific ocular applications.
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Affiliation(s)
- Xiaojun Wang
- Department of Ophthalmology, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, PR China; State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, PR China
| | - Fuxiao Luan
- Department of Ophthalmology, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, PR China; State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, PR China
| | - Hua Yue
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, PR China
| | - Cui Song
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, PR China
| | - Shuang Wang
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, PR China
| | - Jing Feng
- Department of Ophthalmology, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, PR China
| | - Xiao Zhang
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, PR China
| | - Wei Yang
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, PR China
| | - Yuxin Li
- Department of Ophthalmology, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, PR China; State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, PR China
| | - Wei Wei
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, PR China.
| | - Yong Tao
- Department of Ophthalmology, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, PR China.
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10
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Petrillo F, Sinoca M, Fea AM, Galdiero M, Maione A, Galdiero E, Guida M, Reibaldi M. Candida Biofilm Eye Infection: Main Aspects and Advance in Novel Agents as Potential Source of Treatment. Antibiotics (Basel) 2023; 12:1277. [PMID: 37627697 PMCID: PMC10451181 DOI: 10.3390/antibiotics12081277] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 07/31/2023] [Accepted: 07/31/2023] [Indexed: 08/27/2023] Open
Abstract
Fungi represent a very important cause of microbial eye infections, especially in tropical and developing countries, as they could cause sight-threating disease, such as keratitis and ocular candidiasis, resulting in irreversible vision loss. Candida species are among the most frequent microorganisms associated with fungal infection. Although Candida albicans is still the most frequently detected organism among Candida subspecies, an important increase in non-albicans species has been reported. Mycotic infections often represent an important diagnostic-clinical problem due to the difficulties in performing the diagnosis and a therapeutic problem due to the limited availability of commercial drugs and the difficult penetration of antifungals into ocular tissues. The ability to form biofilms is another feature that makes Candida a dangerous pathogen. In this review, a summary of the state-of-the-art panorama about candida ocular pathology, diagnosis, and treatment has been conducted. Moreover, we also focused on new prospective natural compounds, including nanoparticles, micelles, and nanocarriers, as promising drug delivery systems to better cure ocular fungal and biofilm-related infections. The effect of the drug combination has also been examined from the perspective of increasing efficacy and improving the course of infections caused by Candida which are difficult to fight.
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Affiliation(s)
- Francesco Petrillo
- Department of Medical Sciences, Eye Clinic, Turin University, 10126 Turin, Italy; (F.P.); (A.M.F.); (M.R.)
| | - Marica Sinoca
- Department of Biology, University of Naples ‘Federico II’, Via Cinthia, 80126 Naples, Italy; (M.S.); (A.M.); (M.G.)
| | - Antonio Maria Fea
- Department of Medical Sciences, Eye Clinic, Turin University, 10126 Turin, Italy; (F.P.); (A.M.F.); (M.R.)
| | - Marilena Galdiero
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 81100 Naples, Italy;
| | - Angela Maione
- Department of Biology, University of Naples ‘Federico II’, Via Cinthia, 80126 Naples, Italy; (M.S.); (A.M.); (M.G.)
| | - Emilia Galdiero
- Department of Biology, University of Naples ‘Federico II’, Via Cinthia, 80126 Naples, Italy; (M.S.); (A.M.); (M.G.)
- NBFC—National Biodiversity Future Center, 90133 Palermo, Italy
| | - Marco Guida
- Department of Biology, University of Naples ‘Federico II’, Via Cinthia, 80126 Naples, Italy; (M.S.); (A.M.); (M.G.)
- NBFC—National Biodiversity Future Center, 90133 Palermo, Italy
- Center for Studies on Bioinspired Agro-Environmental Technology (BAT Center), 80055 Portici, Italy
| | - Michele Reibaldi
- Department of Medical Sciences, Eye Clinic, Turin University, 10126 Turin, Italy; (F.P.); (A.M.F.); (M.R.)
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11
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Ali A, Zahra A, Kamthan M, Husain FM, Albalawi T, Zubair M, Alatawy R, Abid M, Noorani MS. Microbial Biofilms: Applications, Clinical Consequences, and Alternative Therapies. Microorganisms 2023; 11:1934. [PMID: 37630494 PMCID: PMC10459820 DOI: 10.3390/microorganisms11081934] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 07/05/2023] [Accepted: 07/08/2023] [Indexed: 08/27/2023] Open
Abstract
Biofilms are complex communities of microorganisms that grow on surfaces and are embedded in a matrix of extracellular polymeric substances. These are prevalent in various natural and man-made environments, ranging from industrial settings to medical devices, where they can have both positive and negative impacts. This review explores the diverse applications of microbial biofilms, their clinical consequences, and alternative therapies targeting these resilient structures. We have discussed beneficial applications of microbial biofilms, including their role in wastewater treatment, bioremediation, food industries, agriculture, and biotechnology. Additionally, we have highlighted the mechanisms of biofilm formation and clinical consequences of biofilms in the context of human health. We have also focused on the association of biofilms with antibiotic resistance, chronic infections, and medical device-related infections. To overcome these challenges, alternative therapeutic strategies are explored. The review examines the potential of various antimicrobial agents, such as antimicrobial peptides, quorum-sensing inhibitors, phytoextracts, and nanoparticles, in targeting biofilms. Furthermore, we highlight the future directions for research in this area and the potential of phytotherapy for the prevention and treatment of biofilm-related infections in clinical settings.
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Affiliation(s)
- Asghar Ali
- Clinical Biochemistry Lab, D/O Biochemistry, School of Chemical and Lifesciences, Jamia Hamdard, New Delhi 110062, India;
| | - Andaleeb Zahra
- Department of Botany, School of Chemical and Lifesciences, Jamia Hamdard, New Delhi 110062, India;
| | - Mohan Kamthan
- Clinical Biochemistry Lab, D/O Biochemistry, School of Chemical and Lifesciences, Jamia Hamdard, New Delhi 110062, India;
| | - Fohad Mabood Husain
- Department of Food Science and Nutrition, College of Food and Agriculture Sciences, King Saud University, Riyadh 11451, Saudi Arabia;
| | - Thamer Albalawi
- Department of Biology, College of Science and Humanities in Al-Kharj, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia;
| | - Mohammad Zubair
- Department of Medical Microbiology, Faculty of Medicine, University of Tabuk, Tabuk 71491, Saudi Arabia; (M.Z.); (R.A.)
| | - Roba Alatawy
- Department of Medical Microbiology, Faculty of Medicine, University of Tabuk, Tabuk 71491, Saudi Arabia; (M.Z.); (R.A.)
| | - Mohammad Abid
- Department of Biosciences, Jamia Millia Islamia, New Delhi 110025, India;
| | - Md Salik Noorani
- Department of Botany, School of Chemical and Lifesciences, Jamia Hamdard, New Delhi 110062, India;
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12
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Khan SA, Shakoor A. Recent Strategies and Future Recommendations for the Fabrication of Antimicrobial, Antibiofilm, and Antibiofouling Biomaterials. Int J Nanomedicine 2023; 18:3377-3405. [PMID: 37366489 PMCID: PMC10290865 DOI: 10.2147/ijn.s406078] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Accepted: 05/06/2023] [Indexed: 06/28/2023] Open
Abstract
Biomaterials and biomedical devices induced life-threatening bacterial infections and other biological adverse effects such as thrombosis and fibrosis have posed a significant threat to global healthcare. Bacterial infections and adverse biological effects are often caused by the formation of microbial biofilms and the adherence of various biomacromolecules, such as platelets, proteins, fibroblasts, and immune cells, to the surfaces of biomaterials and biomedical devices. Due to the programmed interconnected networking of bacteria in microbial biofilms, they are challenging to treat and can withstand several doses of antibiotics. Additionally, antibiotics can kill bacteria but do not prevent the adsorption of biomacromolecules from physiological fluids or implanting sites, which generates a conditioning layer that promotes bacteria's reattachment, development, and eventual biofilm formation. In these viewpoints, we highlighted the magnitude of biomaterials and biomedical device-induced infections, the role of biofilm formation, and biomacromolecule adhesion in human pathogenesis. We then discussed the solutions practiced in healthcare systems for curing biomaterials and biomedical device-induced infections and their limitations. Moreover, this review comprehensively elaborated on the recent advances in designing and fabricating biomaterials and biomedical devices with these three properties: antibacterial (bacterial killing), antibiofilm (biofilm inhibition/prevention), and antibiofouling (biofouling inhibition/prevention) against microbial species and against the adhesion of other biomacromolecules. Besides we also recommended potential directions for further investigations.
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Affiliation(s)
- Shakeel Ahmad Khan
- Department of Applied Biology and Chemical Technology, the Hong Kong Polytechnic University, Hung Hom, Kowloon, 999077, Hong Kong
| | - Adnan Shakoor
- Department of Control and Instrumentation Engineering, King Fahd University of Petroleum & Minerals, Dhahran, Saudi Arabia
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13
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Akbari E, Imani R, Shokrollahi P, Jarchizadeh R, Heidari keshel S. Hydrogel-based formulations for drug delivery to the anterior segment of the eye. J Drug Deliv Sci Technol 2023. [DOI: 10.1016/j.jddst.2023.104250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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14
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Preparation of Novel Composites of Polyvinyl Alcohol Containing Hesperidin Loaded ZnO Nanoparticles and Determination of Their Biological and Thermal Properties. J Inorg Organomet Polym Mater 2023; 33:731-746. [PMID: 36694851 PMCID: PMC9851736 DOI: 10.1007/s10904-023-02532-z] [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: 08/14/2022] [Accepted: 01/03/2023] [Indexed: 01/21/2023]
Abstract
Hesperidin (HSP) is considered to be the most effective antimicrobial agent against SARS-CoV2 virus. The HSP was loaded onto ZnO nanoparticles that were successfully incorporated, via the hydrothermal method, into polyvinyl alcohol (PVA) for use as food packaging material. The hydrothermal method enabled the bioactive ZnO-HSP to be homogeneously dispersed in the PVA, which significantly increased the thermal stability of the matrix, while decreasing the softening temperature. The water holding capacity and water solubility of the obtained nanocomposites was reduced compared to the PVA. Finally, the ZnO-HSP antimicrobial agent contributed important antibacterial properties to the PVA and increased its antioxidant capacity against Staphylococcus aureus and Escherichia coli pathogens. In addition, the nanocomposites had no cytotoxic/proliferative effects on cancer cells. All results showed promise that the PVA/ZnO-HSP nanocomposites would be an excellent alternative for food packaging applications.
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15
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Vivero-Lopez M, Pereira-da-Mota AF, Carracedo G, Huete-Toral F, Parga A, Otero A, Concheiro A, Alvarez-Lorenzo C. Phosphorylcholine-Based Contact Lenses for Sustained Release of Resveratrol: Design, Antioxidant and Antimicrobial Performances, and In Vivo Behavior. ACS APPLIED MATERIALS & INTERFACES 2022; 14:55431-55446. [PMID: 36495267 PMCID: PMC9782386 DOI: 10.1021/acsami.2c18217] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Accepted: 11/29/2022] [Indexed: 06/17/2023]
Abstract
Design of advanced contact lenses (CLs) demands materials that are safe and comfortable for the wearers and that preserve the normal eye microbiota, avoiding chronic inflammation and biofilm development. This work aimed to combine the natural antibiofouling phosphorylcholine and the antioxidant and prebiotic resveratrol as integral components of CLs that may have the additional performance of preventing oxidative-stress related eye diseases. Different from previous uses of 2-methacryloyloxyethyl phosphorylcholine (MPC) as coating, we explored the feasibility of adding MPC at high proportions as a comonomer of 2-hydroxyethyl methacrylate (HEMA)-based hydrogels while still allowing for the loading of the hydrophobic resveratrol. Homogeneous distribution of MPC along the hydrogel depth (confirmed by Raman spectroscopy) notably increased solvent uptake and the proportion of free water while it decreased Young's modulus. Relevantly, MPC did not hinder the uptake of resveratrol by CLs (>10 mg/g), which indeed showed network/water partition coefficients of >100. Protocols for CLs sterilization and loading of resveratrol under aseptic conditions were implemented, and the effects of tear proteins on resveratrol release rate were investigated. CLs sustained resveratrol release for more than 24 h in vitro, and sorption of albumin onto the hydrogel, although attenuated by MPC, slowed down the release. The combination of MPC and resveratrol reduced P. aeruginosa and S. aureus growth as tested in a novel hydrogel disk-agar interface biofilm growth setup. The developed CLs showed excellent anti-inflammatory properties and biocompatibility in in ovo and rabbit tests and provided higher and more prolonged levels of resveratrol in tear fluid, which favored resveratrol biodistribution in anterior and posterior eye segments compared to eye drops. Correlations between the release profiles of resveratrol in vitro and in vivo were assessed. Relevantly, the CLs preserved the antioxidant properties of resveratrol during the entire 8 h of wearing. In sum, CLs prepared with high proportion in MPC may help address safety and comfort requirements while having drug releasing capabilities.
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Affiliation(s)
- Maria Vivero-Lopez
- Departamento
de Farmacología, Farmacia y Tecnología Farmacéutica,
I+D Farma (GI-1645), Facultad de Farmacia, Instituto de Materiales
(iMATUS) and Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, 15782Santiago
de Compostela, Spain
| | - Ana F. Pereira-da-Mota
- Departamento
de Farmacología, Farmacia y Tecnología Farmacéutica,
I+D Farma (GI-1645), Facultad de Farmacia, Instituto de Materiales
(iMATUS) and Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, 15782Santiago
de Compostela, Spain
| | - Gonzalo Carracedo
- Ocupharm
Research Group, Faculty of Optics and Optometry, Complutense University of Madrid, C/Arcos del Jalon 118, 28037Madrid, Spain
- Department
of Optometry and Vision, Faculty of Optics and Optometry, Complutense University of Madrid, C/Arcos del Jalon 118, 28037Madrid, Spain
| | - Fernando Huete-Toral
- Ocupharm
Research Group, Faculty of Optics and Optometry, Complutense University of Madrid, C/Arcos del Jalon 118, 28037Madrid, Spain
| | - Ana Parga
- Departamento
de Microbiología y Parasitología, Facultad de Biología,
Edificio CIBUS, Universidade de Santiago
de Compostela, 15782Santiago de Compostela, Spain
| | - Ana Otero
- Departamento
de Microbiología y Parasitología, Facultad de Biología,
Edificio CIBUS, Universidade de Santiago
de Compostela, 15782Santiago de Compostela, Spain
| | - Angel Concheiro
- Departamento
de Farmacología, Farmacia y Tecnología Farmacéutica,
I+D Farma (GI-1645), Facultad de Farmacia, Instituto de Materiales
(iMATUS) and Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, 15782Santiago
de Compostela, Spain
| | - Carmen Alvarez-Lorenzo
- Departamento
de Farmacología, Farmacia y Tecnología Farmacéutica,
I+D Farma (GI-1645), Facultad de Farmacia, Instituto de Materiales
(iMATUS) and Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, 15782Santiago
de Compostela, Spain
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16
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Nie L, Li Y, Liu Y, Shi L, Chen H. Recent Applications of Contact Lenses for Bacterial Corneal Keratitis Therapeutics: A Review. Pharmaceutics 2022; 14:2635. [PMID: 36559128 PMCID: PMC9786638 DOI: 10.3390/pharmaceutics14122635] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Revised: 11/23/2022] [Accepted: 11/25/2022] [Indexed: 11/30/2022] Open
Abstract
Corneal keratitis is a common but severe infectious disease; without immediate and efficient treatment, it can lead to vision loss within a few days. With the development of antibiotic resistance, novel approaches have been developed to combat corneal keratitis. Contact lenses were initially developed to correct vision. Although silicon hydrogel-based contact lenses protect the cornea from hypoxic stress from overnight wear, wearing contact lenses was reported as an essential cause of corneal keratitis. With the development of technology, contact lenses are integrated with advanced functions, and functionalized contact lenses are used for killing bacteria and preventing infectious corneal keratitis. In this review, we aim to examine the current applications of contact lenses for anti-corneal keratitis.
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Affiliation(s)
- Linyan Nie
- Department of Ophthalmology, The People’s Hospital of Yuhuan, Yuhuan 317600, China
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325001, China
| | - Yuanfeng Li
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325001, China
| | - Yong Liu
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325001, China
| | - Linqi Shi
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325001, China
| | - Huiyun Chen
- Department of Ophthalmology, The People’s Hospital of Yuhuan, Yuhuan 317600, China
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17
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Fang L, Liu J, Liu Z, Zhou H. Immune modulating nanoparticles for the treatment of ocular diseases. J Nanobiotechnology 2022; 20:496. [DOI: 10.1186/s12951-022-01658-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 10/03/2022] [Indexed: 11/25/2022] Open
Abstract
AbstractOcular diseases are increasingly influencing people’s quality of life. Complicated inflammatory mechanisms involved in the pathogenic process of ocular diseases make inflammation-targeting treatment a potential therapeutic approach. The limited efficacy of conventional anti-inflammatory therapeutic strategies, caused by various objective factors, such as complex ocular biological barriers, and subjective factors, such as poor compliance, are promoting the development of new therapeutic methods. With the advantages of considerable tissue permeability, a controllable drug release rate, and selective tissue targeting ability, nanoparticles have successfully captured researchers’ attention and have become a research hotspot in treating ocular diseases. This review will focus on the advantages of nanosystems over traditional therapy, the anti-inflammation mechanisms of nanoparticles, and the anti-inflammatory applications of nanoparticles in different ocular diseases (ocular surface diseases, vitreoretinopathy, uveal diseases, glaucoma, and visual pathway diseases). Furthermore, by analyzing the current situation of nanotherapy and the challenges encountered, we hope to inspire new ideas and incentives for designing nanoparticles more consistent with human physiological characteristics to make progress based on conventional treatments. Overall, some progress has been made in nanoparticles for the treatment of ocular diseases, and nanoparticles have rather broad future clinical translation prospects.
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18
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Qi X, Zhang H, Li Y, Zhang X, Ma H, Zhang L. Nonfouling and Antibacterial Zwitterionic Contact Lenses Loaded with Heme-Mimetic Gallium Porphyrin for Treating Keratitis. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:14335-14344. [PMID: 36342672 DOI: 10.1021/acs.langmuir.2c02433] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Antifouling and antibacterial are two critical challenges in the development of contact lenses (CLs). Herein, we presented nonfouling and antibacterial bifunctionalized CLs by encapsulating cationic heme-mimetic gallium porphyrin (Ga-CHP) into zwitterionic-elastomeric-networked (ZEN) hydrogel. Results proved that the ZEN hydrogel showed excellent abilities to resist non-specific protein adsorption, bacterial adhesion, and biofilm formation. Moreover, Ga-CHP could be sustainably released and kill >99.9% planktonic bacteria and >99.9% mature biofilms. In vivo, the symptoms of bacterial keratitis in mice were significantly alleviated after wearing the CLs for 7 days via iron-blocking and photodynamic synergistic antibacterial therapy with the help of natural sunlight. This study highlights the nonfouling and antibacterial superiority of the Ga-CHP-functional zwitterionic CLs and proposes a portable yet efficient non-antibiotic keratitis treatment strategy.
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Affiliation(s)
- Xiaoyu Qi
- Department of Biochemical Engineering, School of Chemical Engineering and Technology, Frontier Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin300350, People's Republic of China
| | - Hao Zhang
- Department of Biochemical Engineering, School of Chemical Engineering and Technology, Frontier Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin300350, People's Republic of China
| | - Yi Li
- Department of Biochemical Engineering, School of Chemical Engineering and Technology, Frontier Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin300350, People's Republic of China
| | - Xiaowen Zhang
- Department of Biochemical Engineering, School of Chemical Engineering and Technology, Frontier Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin300350, People's Republic of China
| | - Hongyan Ma
- College of Chemical Engineering and Materials Science, Tianjin University of Science & Technology, Tianjin300457, People's Republic of China
| | - Lei Zhang
- Department of Biochemical Engineering, School of Chemical Engineering and Technology, Frontier Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin300350, People's Republic of China
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19
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Lu H, Wan L, Li X, Zhang M, Shakoor A, Li W, Zhang X. Combined Synthesis of Cerium Oxide Particles for Effective Anti-Bacterial and Anti-Cancer Nanotherapeutics. Int J Nanomedicine 2022; 17:5733-5746. [DOI: 10.2147/ijn.s379689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Accepted: 10/05/2022] [Indexed: 12/03/2022] Open
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20
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Eskikaya O, Ozdemir S, Tollu G, Dizge N, Ramaraj R, Manivannan A, Balakrishnan D. Synthesis of two different zinc oxide nanoflowers and comparison of antioxidant and photocatalytic activity. CHEMOSPHERE 2022; 306:135389. [PMID: 35718032 DOI: 10.1016/j.chemosphere.2022.135389] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 05/30/2022] [Accepted: 06/14/2022] [Indexed: 06/15/2023]
Abstract
Nanoflowers are a newly developed class of nanoparticles that show flower-like structures and attract much attention due to their simple preparation methods, high stability, and increased efficiency. The aim of the study is to investigate a strong alternative to reduce the severity of infection and increase the treatment of wastewater by exhibiting biofilm inhibition in medical and environmental applications of the ZnO-NFs with two different shapes. ZnO-NFs were synthesized by two different processes hydrothermal method (named ZnO-NF1) and the precipitation method (named ZnO-NF2). ZnO-NFs produced by two different synthesis methods were compared for the photocatalytic and antioxidant efficiency. The effects of Reactive Red 180 (RR180) and Basic Red 18 (BR18) dyes concentration, photocatalyst amount, and reaction time were investigated on dye removal efficiency for photocatalytic experiments. The color was completely removed for 25 mg/L BR18 and RR180 dyes for 75 min and 90 min, respectively, using 1.5 g/L photocatalyst amount using ZnO-NF1. However, 59.18% dye removal efficiency was obtained for 90 min by using a 1.5 g/L ZnO-NF2 photocatalyst for 25 mg/L BR18 dye removal, while a dye removal efficiency of 90.00% was detected for 90 min using 2 g/L ZnO-NF2 for 25 mg/L RR180 dye. Then, comparison of general properties such as antibacterial, antibiofilm, microbial cell viability, DNA fragmentation, antioxidant activities, and antimicrobial photodynamic therapy of ZnO-NFs were investigated. The antioxidant activity of ZnO-NF2 was found to be higher than ZnO-NF1 at each concentration (82.32% and 87.18% for ZnO-NF1 and ZnO-NF2, respectively, at 200 mg/mL).
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Affiliation(s)
- Ozan Eskikaya
- Department of Environmental Engineering, Mersin University, Mersin, 33343, Turkey
| | - Sadin Ozdemir
- Food Processing Programme, Technical Science Vocational School, Mersin University, Mersin, 33343, Turkey
| | - Gülsah Tollu
- Department of Laboratory and Veterinary Health, Technical Science Vocational School, Mersin University, Mersin, 33343, Turkey
| | - Nadir Dizge
- Department of Environmental Engineering, Mersin University, Mersin, 33343, Turkey.
| | | | - Arthi Manivannan
- Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Chennai, 602105, India
| | - Deepanraj Balakrishnan
- College of Engineering, Prince Mohammad Bin Fahd University, Al Khobar, 31952, Saudi Arabia.
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21
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Gurunathan S, Lee AR, Kim JH. Antifungal Effect of Nanoparticles against COVID-19 Linked Black Fungus: A Perspective on Biomedical Applications. Int J Mol Sci 2022; 23:12526. [PMID: 36293381 PMCID: PMC9604067 DOI: 10.3390/ijms232012526] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 10/16/2022] [Accepted: 10/18/2022] [Indexed: 08/21/2023] Open
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a highly transmissible and pathogenic coronavirus that has caused a 'coronavirus disease 2019' (COVID-19) pandemic in multiple waves, which threatens human health and public safety. During this pandemic, some patients with COVID-19 acquired secondary infections, such as mucormycosis, also known as black fungus disease. Mucormycosis is a serious, acute, and deadly fungal infection caused by Mucorales-related fungal species, and it spreads rapidly. Hence, prompt diagnosis and treatment are necessary to avoid high mortality and morbidity rates. Major risk factors for this disease include uncontrolled diabetes mellitus and immunosuppression that can also facilitate increases in mucormycosis infections. The extensive use of steroids to prevent the worsening of COVID-19 can lead to black fungus infection. Generally, antifungal agents dedicated to medical applications must be biocompatible, non-toxic, easily soluble, efficient, and hypoallergenic. They should also provide long-term protection against fungal growth. COVID-19-related black fungus infection causes a severe increase in fatalities. Therefore, there is a strong need for the development of novel and efficient antimicrobial agents. Recently, nanoparticle-containing products available in the market have been used as antimicrobial agents to prevent bacterial growth, but little is known about their efficacy with respect to preventing fungal growth, especially black fungus. The present review focuses on the effect of various types of metal nanoparticles, specifically those containing silver, zinc oxide, gold, copper, titanium, magnetic, iron, and carbon, on the growth of various types of fungi. We particularly focused on how these nanoparticles can impact the growth of black fungus. We also discussed black fungus co-infection in the context of the global COVID-19 outbreak, and management and guidelines to help control COVID-19-associated black fungus infection. Finally, this review aimed to elucidate the relationship between COVID-19 and mucormycosis.
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Affiliation(s)
- Sangiliyandi Gurunathan
- Department of Stem Cell and Regenerative Biotechnology, Konkuk University, Seoul 05029, Korea
| | - Ah Reum Lee
- CHA Advanced Research Institute, CHA Medical Center, 335 Pangyo-ro, Bundang-gu, Seongnam-si 13488, Korea
| | - Jin Hoi Kim
- Department of Stem Cell and Regenerative Biotechnology, Konkuk University, Seoul 05029, Korea
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22
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Zhu Y, Li S, Li J, Falcone N, Cui Q, Shah S, Hartel MC, Yu N, Young P, de Barros NR, Wu Z, Haghniaz R, Ermis M, Wang C, Kang H, Lee J, Karamikamkar S, Ahadian S, Jucaud V, Dokmeci MR, Kim HJ, Khademhosseini A. Lab-on-a-Contact Lens: Recent Advances and Future Opportunities in Diagnostics and Therapeutics. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2108389. [PMID: 35130584 PMCID: PMC9233032 DOI: 10.1002/adma.202108389] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 01/27/2022] [Indexed: 05/09/2023]
Abstract
The eye is one of the most complex organs in the human body, containing rich and critical physiological information (e.g., intraocular pressure, corneal temperature, and pH) as well as a library of metabolite biomarkers (e.g., glucose, proteins, and specific ions). Smart contact lenses (SCLs) can serve as a wearable intelligent ocular prosthetic device capable of noninvasive and continuous monitoring of various essential physical/biochemical parameters and drug loading/delivery for the treatment of ocular diseases. Advances in SCL technologies and the growing public interest in personalized health are accelerating SCL research more than ever before. Here, the current status and potential of SCL development through a comprehensive review from fabrication to applications to commercialization are discussed. First, the material, fabrication, and platform designs of the SCLs for the diagnostic and therapeutic applications are discussed. Then, the latest advances in diagnostic and therapeutic SCLs for clinical translation are reviewed. Later, the established techniques for wearable power transfer and wireless data transmission applied to current SCL devices are summarized. An outlook, future opportunities, and challenges for developing next-generation SCL devices are also provided. With the rise in interest of SCL development, this comprehensive and essential review can serve as a new paradigm for the SCL devices.
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Affiliation(s)
- Yangzhi Zhu
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA, 90064, USA
| | - Shaopei Li
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA, 90064, USA
| | - Jinghang Li
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA, 90064, USA
- School of Engineering, Westlake University, Hangzhou, Zhejiang Province, 310024, China
- School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan, Hubei Province, 430205, China
| | - Natashya Falcone
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA, 90064, USA
| | - Qingyu Cui
- Department of Medicine, David Geffen School of Medicine, University of California-Los Angeles, Los Angeles, CA, 90095, USA
| | - Shilp Shah
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA, 90064, USA
- Department of Bioengineering, University of California-Los Angeles, Los Angeles, CA, 90095, USA
| | - Martin C Hartel
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA, 90064, USA
- Department of Bioengineering, University of California-Los Angeles, Los Angeles, CA, 90095, USA
| | - Ning Yu
- Department of Chemical and Environmental Engineering, University of California-Riverside, Riverside, CA, 92521, USA
| | - Patric Young
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA, 90064, USA
| | | | - Zhuohong Wu
- Department of Nanoengineering, University of California-San Diego, San Diego, CA, 92093, USA
| | - Reihaneh Haghniaz
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA, 90064, USA
| | - Menekse Ermis
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA, 90064, USA
| | - Canran Wang
- Andrew and Peggy Cherng Department of Medical Engineering, Division of Engineering and Applied Science, California Institute of Technology, Pasadena, CA, 91125, USA
| | - Heemin Kang
- Department of Materials Science and Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Junmin Lee
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA, 90064, USA
- Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673, Republic of Korea
| | | | - Samad Ahadian
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA, 90064, USA
| | - Vadim Jucaud
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA, 90064, USA
| | - Mehmet R Dokmeci
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA, 90064, USA
| | - Han-Jun Kim
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA, 90064, USA
| | - Ali Khademhosseini
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA, 90064, USA
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Jang Y, Zhang X, Zhu R, Li S, Sun S, Li W, Liu H. Viola betonicifolia-Mediated Biosynthesis of Silver Nanoparticles for Improved Biomedical Applications. Front Microbiol 2022; 13:891144. [PMID: 35668765 PMCID: PMC9164254 DOI: 10.3389/fmicb.2022.891144] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Accepted: 05/02/2022] [Indexed: 12/17/2022] Open
Abstract
We report the biosynthesis of silver (Ag) nanoparticles (NAPs) (LEVB-Ag NAPs) by an environmentally friendly green synthesis approach using the phytoconstituents of Viola betonicifolia leaf extract. The spectroscopic techniques were employed to characterize biosynthesized LEVB-Ag NAPs successfully. Biosynthesized LEVB-Ag NAPs were assessed for antibacterial and antimycotic activities against bacterium and mycological strains (H. pylori, S. epidermidis, C. tropicalis, and T. rubrum) using the serial dilution method. They were also evaluated for their biofilm inhibiting potential against both bacterial and fungi species. They were further assessed for the cytobiocompatible potential with two normal cell lines (293T and hMSC). The results demonstrate that the biosynthesized LEVB-Ag NAPs showed superior log10 reduction in bacterial and fungal growth and presented more than 99.50% killing efficiency. Moreover, biosynthesized LEVB-Ag NAPs excellently inhibited the biofilm formation of bacterial (Gram-positive and Gram-negative) and mycological strains and presented more than 80% biofilm inhibiting percentage compared to both plant extract and CHE-Ag NAPs. They further presented good cytobiocompatibility in vitro with 293T and hMSC cells compared to CHE-Ag NAPs. Biosynthesized LEVB-Ag NAPs presented superior antibacterial, antimycotic, biofilm inhibition, and cytobiocompatible results that might be attributed to the synergistic effect of the NAPs’ physiochemical properties and the immobilized phytoconstituents from plant leaf extract on their surface. Hence, biosynthesized LEVB-Ag NAPs may be a promising contender for a variety of therapeutic applications.
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Affiliation(s)
- Yingping Jang
- Department of Rehabilitation Medicine, Guangdong Second Provincial General Hospital, Guangzhou, China
| | - Xiaoya Zhang
- Department of Rehabilitation Medicine, Guangdong Second Provincial General Hospital, Guangzhou, China
| | - Rongxue Zhu
- Department of Rehabilitation Medicine, Guangdong Second Provincial General Hospital, Guangzhou, China
| | - Songlin Li
- Department of Rehabilitation Medicine, Guangdong Second Provincial General Hospital, Guangzhou, China
| | - Shiyu Sun
- Department of Rehabilitation Medicine, Guangdong Second Provincial General Hospital, Guangzhou, China
| | - Wenqiang Li
- Engineering Technology Research Center for Sports Assistive Devices of Guangdong, Guangzhou Sport University, Guangzhou, China
- *Correspondence: Wenqiang Li,
| | - Hao Liu
- Department of Chinese Medicine, Guangdong Second Provincial General Hospital, Guangzhou, China
- Hao Liu,
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Dag B. Green synthesis, characterization, and antioxidant activity of silver nanoparticles using Stachys annua L. subsp. annua var. annua. PARTICULATE SCIENCE AND TECHNOLOGY 2022. [DOI: 10.1080/02726351.2021.1966689] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Besir Dag
- Department of Chemistry, Faculty of Arts and Sciences, Batman University, Batman, Turkey
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25
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Kotakadi VS, Gaddam SA, Kotha P, Allagadda R, Rao Ch. A, D. V. R. SG. Bio-inspired multifunctional zinc oxide nanoparticles by leaf extract of Andrographis serpilifolia and their enhanced antioxidant, antimicrobial, and antidiabetic activity—a 3-in-1 system. PARTICULATE SCIENCE AND TECHNOLOGY 2022. [DOI: 10.1080/02726351.2021.1966145] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
| | | | - Peddana Kotha
- Department of Biochemistry, Sri Venkateswara University, Tirupati, India
| | | | - Appa Rao Ch.
- Department of Biochemistry, Sri Venkateswara University, Tirupati, India
| | - Sai Gopal D. V. R.
- DST-PURSE Centre, Sri Venkateswara University, Tirupati, India
- Department of Virology, Sri Venkateswara University, Tirupati, India
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26
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Vundela SR, Kalagatur NK, Nagaraj A, Kadirvelu K, Chandranayaka S, Kondapalli K, Hashem A, Abd_Allah EF, Poda S. Multi-Biofunctional Properties of Phytofabricated Selenium Nanoparticles From Carica papaya Fruit Extract: Antioxidant, Antimicrobial, Antimycotoxin, Anticancer, and Biocompatibility. Front Microbiol 2022; 12:769891. [PMID: 35250900 PMCID: PMC8892101 DOI: 10.3389/fmicb.2021.769891] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Accepted: 12/28/2021] [Indexed: 12/27/2022] Open
Abstract
The present study focused on phytofabrication of selenium nanoparticles (SeNPs) from Carica papaya extract and exploration of their multi-biofunctional features. Total phenolics and flavonoids of C. papaya fruit extract were determined as 23.30 ± 1.88 mg gallic acid equivalents and 19.21 ± 0.44 mg quercetin equivalents per gram, respectively, which suggested that C. papaya fruit extract could be a competitive reducing and stabilizing agent during phytofabrication of nanoparticles. UV-Vis and FTIR spectroscopy showed the formation of SeNPs from sodium selenite, which could be related to the reducing and stabilizing activities of C. papaya fruit extract. The SeNPs were found to be stable with a Zeta potential of -32 mV. The average hydrodynamic size of SeNPs was found as 159 nm by dynamic light scattering. The SeNPs showed a broader XRD pattern with no sharp Bragg's peaks and found to be amorphous. SEM showed that SeNPs were spherical in shape and EDX pattern showed that SeNPs were made up of Se (71.81%), C (11.41%), and O (14.88%). The HR-TEM picture showed that SeNPs were spherical in morphology and have a size range of 101-137 nm. The SeNPs exhibited potent antioxidant activity and their EC50 values (effective concentration required to inhibit 50% of radicals) were 45.65 ± 2.01 and 43.06 ± 3.80 μg/ml in DPPH and ABTS assays, respectively. The antimicrobial action of SeNPs was found as a broad spectrum and suppressed microbial pathogens in ascending order: fungi > Gram-positive bacteria > Gram-negative bacteria. The SeNPs have been demonstrated to reduce the growth and ochratoxin A (OTA) of mycotoxigenic Aspergillus ochraceus and Penicillium verrucosum at 40 μg/ml in broth culture, which is noteworthy. The SeNPs reduced cancer cell proliferation (RAW 264.7, Caco-2, MCF-7, and IMR-32) more preferentially than normal cells (Vero), found to be highly biocompatible. Lower doses of SeNPs (up to 50 μg/ml) were shown to be less toxic and did not cause death in Danio rerio (zebrafish) embryos, implying that lower doses of SeNPs could be beneficial for biological purposes. The present study concluded that phytofabricated SeNPs have multiple biofunctional properties, including antioxidant, antimicrobial, antimycotoxin, and anticancer activities, as well as high biocompatibility.
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Affiliation(s)
| | | | - Anusuya Nagaraj
- Department of Biochemistry, Bharathiar University, Coimbatore, India
| | | | | | - Kasturi Kondapalli
- Department of Biotechnology, Acharya Nagarjuna University, Guntur, India
| | - Abeer Hashem
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Elsayed Fathi Abd_Allah
- Department of Plant Production, College of Food and Agricultural Sciences, King Saud University, Riyadh, Saudi Arabia
| | - Sudhakar Poda
- Department of Biotechnology, Acharya Nagarjuna University, Guntur, India
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27
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Al-nemrawi N, Alkhatib RQ, Ayyad H, Alshraiedeh N. Formulation and Characterization of Tobramycin-Chitosan Nanoparticles Coated with Zinc Oxide Nanoparticles. Saudi Pharm J 2022; 30:454-461. [PMID: 35527830 PMCID: PMC9068742 DOI: 10.1016/j.jsps.2022.01.016] [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: 10/21/2021] [Accepted: 01/20/2022] [Indexed: 11/10/2022] Open
Abstract
Herein we describe the preparation, characterization and the antibacterial effect of Tobramycin-chitosan nanoparticles (TOB-CS NPs) coated with zinc oxide nanoparticles (ZnO NPs). Four formulations of TOB-CS NPs (A-D) were prepared to study the effect of experimental variables on the NPs behavior. Two formulations of ZnO NPs were prepared using the solvothermal and the precipitation methods (ZnO1 and ZnO2), and then characterized. TOB-CS NPs (Formula d) was coated with the ZnO1. Moreover, the antibacterial activity of TOB-CS NPs, ZnO NPs and the coated nanoparticles against S. aureus and E. coli was examined. Changing the variables in preparing TOB-CS NPs resulting in variabilities in sizes (297.6–1116.3 nm), charges (+8.29–+39.00 mV), entrapment (51.95–90.60%). Further, TOB release was sustained over four days. ZnO NPs have sizes of 47.44 and 394.4 nm and charges of −62.3 and 89.4 mV when prepared by solvothermal and precipitation technique, respectively. Coated TOB-CS NPs had a size of 342 nm, a charge of +4.39 and released 100 µg/ mL of the drug after four days. The antimicrobial activity of TOB-CS NPs was lower than free TOB against S. aureus and E. coli. The coated NPs showed higher antimicrobial effect in comparison to formula D and ZnO1. In conclusion, coating TOB-CS NPs with ZnO NPs exhibited a great antibacterial effect that may be sustained for days.
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28
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Lu H, Zhang X, Khan SA, Li W, Wan L. Biogenic Synthesis of MnO 2 Nanoparticles With Leaf Extract of Viola betonicifolia for Enhanced Antioxidant, Antimicrobial, Cytotoxic, and Biocompatible Applications. Front Microbiol 2021; 12:761084. [PMID: 34790185 PMCID: PMC8591690 DOI: 10.3389/fmicb.2021.761084] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Accepted: 10/11/2021] [Indexed: 12/22/2022] Open
Abstract
In this study, we propose to synthesize NPs using plant extract containing active biomedical components, with the goal of obtaining NPs that inherit the biomedical activities of the plant. Herein, we report the synthesis of manganese dioxide nanoparticles (VBLE-MnO2 NPs) using the leaves extract of Viola betonicifolia, in which the biological active plant's secondary metabolites function as both reducing and capping agents. The synthesized NPs were successfully characterized with different spectroscopic techniques. The antibacterial, antifungal, and biofilm inhibition properties of the synthesized VBLE-MnO2 NPs were further explored against a variety of bacteria (Gram-positive and Gram-negative) and mycological species. Additionally, their antioxidant ability against linoleic acid peroxidation inhibition, cytobiocompatibility with hMSC cells, and cytotoxicity against MCF-7 cells were investigated compared to leaves extract and chemically synthesized manganese dioxide NPs (CH-MnO2 NPs). The results were demonstrated that the synthesized VBLE-MnO2 NPs presented excellent antibacterial, antifungal, and biofilm inhibition performance against all the tested microbial species compared to plant leaves extract and CH-MnO2 NPs. Moreover, they also exhibited significant antioxidant potential, which was comparable to the external standard (ascorbic acid); however, it was higher than plant leaves extract and CH-MnO2 NPs. Furthermore, the synthesized CH-MnO2 NPs displayed good cytobiocompatibility with hMSC cells compared to CH-MnO2 NPs. The enhanced antioxidant, antibacterial, antifungal, and biofilm inhibition efficacy as compared to CH-MnO2 NPs might be attributed to the synergistic effect of the VBLE-MnO2 NPs' physical properties and the adsorbed biologically active phytomolecules from the leaves extract of V. betonicifolia on their surface. Thus, our study establishes a novel ecologically acceptable route for nanomaterials' fabrication with increased and/or extra medicinal functions derived from their herbal origins.
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Affiliation(s)
- Haibin Lu
- Shunde Hospital, Southern Medical University (The First People's Hospital of Shunde), Foshan, China.,Stomatological Hospital, Southern Medical University, Guangzhou, China
| | - Xueyang Zhang
- Shunde Hospital, Southern Medical University (The First People's Hospital of Shunde), Foshan, China.,Stomatological Hospital, Southern Medical University, Guangzhou, China
| | - Shakeel Ahmad Khan
- Center of Super-Diamond and Advanced Films (COSDAF), Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong
| | - Wenqiang Li
- Engineering Technology Research Centre for Sports Assistive Devices of Guangdong, Guangzhou Sport University, Guangzhou, China
| | - Lei Wan
- Stomatological Hospital, Southern Medical University, Guangzhou, China
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29
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Wang M, Meng Y, Zhu H, Hu Y, Xu CP, Chao X, Li W, Li C, Pan C. Green Synthesized Gold Nanoparticles Using Viola betonicifolia Leaves Extract: Characterization, Antimicrobial, Antioxidant, and Cytobiocompatible Activities. Int J Nanomedicine 2021; 16:7319-7337. [PMID: 34754187 PMCID: PMC8570924 DOI: 10.2147/ijn.s323524] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Accepted: 10/08/2021] [Indexed: 12/20/2022] Open
Abstract
Introduction Viola betonicifolia is a rich source of numerous secondary metabolites, such as alkaloids, flavonoids, tannins, phenolic compounds, saponins, triterpenoids, and so on, that are biologically active towards different potential biomedical applications. To broaden the potential use of Viola betonicifolia in the realm of bionanotechnology, we investigated the plant's ability to synthesize gold nanoparticles (Au NPs) in a green and efficient manner for the very first time. Methods The gold nanoparticles (VB-Au NPs) were synthesized using the leaves extract of Viola betonicifolia, in which plant's secondary metabolites function as both reducing and capping agents. The VB-Au NPs were successfully characterized with spectroscopic techniques. The antimicrobial properties of the VB-Au NPs were further explored against bacterial and mycological species. Additionally, their antioxidant, cytotoxic, and cytobiocompatibility properties were examined in vitro against linoleic acid peroxidation, MCF-7 cancer cells, and human mesenchymal stem cells (hMSCs), respectively. Results Results demonstrated that VB-Au NPs presented excellent antibacterial, antifungal, and biofilm inhibition performance against all the tested microbial species compared to plant leaves extract and commercially purchased chemically synthesized gold NPs (CH-Au NPs). Moreover, they also exhibited significant antioxidant potential, comparable to the external standard. The VB-Au NPs displayed good cytobiocompatibility with hMSCs and demonstrated excellent cytotoxic potential against MCF-7 cancer cells compared to CH-Au NPs. The current work presents a green method for synthesizing VB-Au NPs with enhanced antioxidant, antimicrobial, cytotoxic and biofilm inhibition efficacy compared to CH-Au NPs might be attributed to the synergistic effect of the nanoparticle's physical properties and the adsorbed biologically active phytomolecules from the plant leaves extract on their surface. Conclusion Thus, our study establishes a novel ecologically acceptable route for nanomaterials' fabrication with increased and/or extra medicinal functions derived from their herbal origins.
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Affiliation(s)
- Mincong Wang
- Department of Joint Surgery, The Fifth Affiliated Hospital of Southern Medical University, Guangzhou, People's Republic of China
| | - Yue Meng
- Department of Joint Surgery, The Fifth Affiliated Hospital of Southern Medical University, Guangzhou, People's Republic of China
| | - Huifeng Zhu
- Department of Joint Surgery, The Fifth Affiliated Hospital of Southern Medical University, Guangzhou, People's Republic of China
| | - Yong Hu
- Department of Joint Surgery, The Fifth Affiliated Hospital of Southern Medical University, Guangzhou, People's Republic of China
| | - Chang-Peng Xu
- Department of Orthopaedics, Guangdong Second Provincial General Hospital, Guangzhou, People's Republic of China
| | - Xiaomin Chao
- Department of Joint Surgery, The Fifth Affiliated Hospital of Southern Medical University, Guangzhou, People's Republic of China
| | - Wenqiang Li
- Engineering Technology Research Center for Sports Assistive Devices of Guangdong, Guangzhou Sport University, Guangzhou, People's Republic of China
| | - Chengguo Li
- Department of Joint Surgery, The Fifth Affiliated Hospital of Southern Medical University, Guangzhou, People's Republic of China
| | - Chenglong Pan
- Department of Joint Surgery, The Fifth Affiliated Hospital of Southern Medical University, Guangzhou, People's Republic of China
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Trichoderma harzianum-Mediated ZnO Nanoparticles: A Green Tool for Controlling Soil-Borne Pathogens in Cotton. J Fungi (Basel) 2021; 7:jof7110952. [PMID: 34829239 PMCID: PMC8619580 DOI: 10.3390/jof7110952] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 10/15/2021] [Accepted: 10/25/2021] [Indexed: 11/17/2022] Open
Abstract
ZnO-based nanomaterials have high antifungal effects, such as inhibition of growth and reproduction of some pathogenic fungi, such as Fusarium sp., Rhizoctonia solani and Macrophomina phaseolina. Therefore, we report the extracellular synthesis of ZnONPs using a potential fungal antagonist (Trichoderma harzianum). ZnONPs were then characterized for their size, shape, charge and composition by visual analysis, UV–visible spectrometry, X-ray diffraction (XRD), Zeta potential, transmission electron microscopy (TEM), scanning electron microscopy (SEM) and energy-dispersive X-ray analysis (EDX). The TEM test confirmed that the size of the produced ZnONPs was 8–23 nm. The green synthesized ZnONPs were characterized by Fourier transform infrared spectroscopy (FTIR) studies to reveal the functional group attributed to the formation of ZnONPs. For the first time, trichogenic ZnONPs were shown to have fungicidal action against three soil–cotton pathogenic fungi in the laboratory and greenhouse. An antifungal examination was used to evaluate the bioactivity of the mycogenic ZnONPs in addition to two chemical fungicides (Moncut and Maxim XL) against three soil-borne pathogens, including Fusarium sp., Rhizoctonia solani and Macrophomina phaseolina. The findings of this study show a novel fungicidal activity in in vitro assay for complete inhibition of fungal growth of tested plant pathogenic fungi, as well as a considerable reduction in cotton seedling disease symptoms under greenhouse conditions. The formulation of a trichogenic ZnONPs form was found to increase its antifungal effect significantly. Finally, the utilization of biocontrol agents, such as T. harzianum, could be a safe strategy for the synthesis of a medium-scale of ZnONPs and employ it for fungal disease control in cotton.
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