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Pereira D, Ferreira S, Ramírez-Rodríguez GB, Alves N, Sousa Â, Valente JFA. Silver and Antimicrobial Polymer Nanocomplexes to Enhance Biocidal Effects. Int J Mol Sci 2024; 25:1256. [PMID: 38279254 PMCID: PMC10815966 DOI: 10.3390/ijms25021256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 01/09/2024] [Accepted: 01/15/2024] [Indexed: 01/28/2024] Open
Abstract
Antimicrobial resistance has become a major problem over the years and threatens to remain in the future, at least until a solution is found. Silver nanoparticles (Ag-NPs) and antimicrobial polymers (APs) are known for their antimicrobial properties and can be considered an alternative approach to fighting resistant microorganisms. Hence, the main goal of this research is to shed some light on the antimicrobial properties of Ag-NPs and APs (chitosan (CH), poly-L-lysine (PLL), ε-poly-L-lysine (ε-PLL), and dopamine (DA)) when used alone and complexed to explore the potential enhancement of the antimicrobial effect of the combination Ag-NPs + Aps. The resultant nanocomplexes were chemically and morphologically characterized by UV-visible spectra, zeta potential, transmission electron microscopy, and Fourier-transform infrared spectroscopy. Moreover, the Ag-NPs, APs, and Ag-NPs + APs nanocomplexes were tested against Gram-positive Staphylococcus aureus (S. aureus) and the Gram-negative Escherichia coli (E. coli) bacteria, as well as the fungi Candida albicans (C. albicans). Overall, the antimicrobial results showed potentiation of the activity of the nanocomplexes with a focus on C. albicans. For the biofilm eradication ability, Ag-NPs and Ag-NPs + DA were able to significantly remove S. aureus preformed biofilm, and Ag-NPs + CH were able to significantly destroy C. albicans biofilm, with both performing better than Ag-NPs alone. Overall, we have proven the successful conjugation of Ag-NPs and APs, with some of these formulations showing potential to be further investigated for the treatment of microbial infections.
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Affiliation(s)
- Diana Pereira
- CICS-UBI-Health Sciences Research Centre, University of Beira Interior, Avenida Infante D. Henrique, 6200-506 Covilhã, Portugal; (D.P.); (S.F.)
| | - Susana Ferreira
- CICS-UBI-Health Sciences Research Centre, University of Beira Interior, Avenida Infante D. Henrique, 6200-506 Covilhã, Portugal; (D.P.); (S.F.)
| | - Gloria Belén Ramírez-Rodríguez
- Department of Inorganic Chemistry (BioNanoMetals Group), Facultad de Ciencias, Universidad de Granada, Avenida Fuente Nueva, s/n, 18071 Granada, Spain;
| | - Nuno Alves
- CDRSP-PL-Centre for Rapid and Sustainable Product Development, Polytechnic of Leiria, Marinha Grande, 2430-028 Leiria, Portugal;
| | - Ângela Sousa
- CICS-UBI-Health Sciences Research Centre, University of Beira Interior, Avenida Infante D. Henrique, 6200-506 Covilhã, Portugal; (D.P.); (S.F.)
| | - Joana F. A. Valente
- CDRSP-PL-Centre for Rapid and Sustainable Product Development, Polytechnic of Leiria, Marinha Grande, 2430-028 Leiria, Portugal;
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Abdallah Y, Nehela Y, Ogunyemi SO, Ijaz M, Ahmed T, Elashmony R, Alkhalifah DHM, Hozzein WN, Xu L, Yan C, Chen J, Li B. Bio-functionalized nickel-silica nanoparticles suppress bacterial leaf blight disease in rice ( Oryza sativa L.). FRONTIERS IN PLANT SCIENCE 2023; 14:1216782. [PMID: 37655220 PMCID: PMC10466215 DOI: 10.3389/fpls.2023.1216782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Accepted: 07/12/2023] [Indexed: 09/02/2023]
Abstract
Introduction Bacterial leaf blight (BLB) caused by Xanthomonas oryzae pv. oryzae (Xoo) is one of the most devastative diseases that threatens rice plants worldwide. Biosynthesized nanoparticle (NP) composite compounds have attracted attention as environmentally safe materials that possess antibacterial activity that could be used in managing plant diseases. Methods During this study, a nanocomposite of two important elements, nickel and silicon, was biosynthesized using extraction of saffron stigmas (Crocus sativus L.). Characterization of obtained nickel-silicon dioxide (Ni-SiO2) nanocomposite was investigated using Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), Transmission/Scanning electron microscopy (TEM/SEM), and energy-dispersive spectrum (EDS). Antibacterial activities of the biosynthesized Ni-SiO2 nanocomposite against Xoo were tested by measuring bacterial growth, biofilm formation, and dead Xoo cells. Results and discussions The bacterial growth (OD600) and biofilm formation (OD570) of Xoo treated with distilled water (control) was found to be 1.21 and 1.11, respectively. Treatment with Ni-SiO2 NPs composite, respectively, reduced the growth and biofilm formation by 89.07% and 80.40% at 200 μg/ml. The impact of obtained Ni-SiO2 nanocomposite at a concentration of 200 μg/ml was assayed on infected rice plants. Treatment of rice seedlings with Ni-SiO2 NPs composite only had a plant height of 64.8 cm while seedlings treated with distilled water reached a height of 45.20 cm. Notably, Xoo-infected seedlings treated with Ni-SiO2 NPs composite had a plant height of 57.10 cm. Furthermore, Ni-SiO2 NPs composite sprayed on inoculated seedlings had a decrease in disease leaf area from 43.83% in non-treated infected seedlings to 13.06% in treated seedlings. The FTIR spectra of biosynthesized Ni-SiO2 nanocomposite using saffron stigma extract showed different bands at 3,406, 1,643, 1,103, 600, and 470 cm-1. No impurities were found in the synthesized composite. Spherically shaped NPs were observed by using TEM and SEM. EDS revealed that Ni-SiO2 nanoparticles (NPs) have 13.26% Ni, 29.62% Si, and 57.11% O. Xoo treated with 200 µg/ml of Ni-SiO2 NPs composite drastically increased the apoptosis of bacterial cells to 99.61% in comparison with 2.23% recorded for the control. Conclusions The application of Ni-SiO2 NPs significantly improved the vitality of rice plants and reduced the severity of BLB.
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Affiliation(s)
- Yasmine Abdallah
- State Key Laboratory of Rice Biology and Breeding, Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Biotechnology, Zhejiang University, Hangzhou, China
- Department of Plant Pathology, Faculty of Agriculture, Minia University, ElMinya, Egypt
| | - Yasser Nehela
- Department of Agricultural Botany, Faculty of Agriculture, Tanta University, Tanta, Egypt
| | - Solabomi Olaitan Ogunyemi
- State Key Laboratory of Rice Biology and Breeding, Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Biotechnology, Zhejiang University, Hangzhou, China
| | - Munazza Ijaz
- State Key Laboratory of Rice Biology and Breeding, Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Biotechnology, Zhejiang University, Hangzhou, China
| | - Temoor Ahmed
- State Key Laboratory of Rice Biology and Breeding, Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Biotechnology, Zhejiang University, Hangzhou, China
| | - Ranya Elashmony
- Department of Plant Pathology, Faculty of Agriculture, Minia University, ElMinya, Egypt
| | - Dalal Hussien M. Alkhalifah
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Wael N. Hozzein
- Botany and Microbiology Department, Faculty of Science, Beni-Suef University, Beni-Suef, Egypt
| | - Lihui Xu
- Institute of Eco-Environmental Protection, Shanghai Academy of Agricultural Sciences, Shanghai, China
| | - Chengqi Yan
- Institute of Biotechnology, Ningbo Academy of Agricultural Sciences, Ningbo, China
| | - Jianping Chen
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Biotechnology in Plant Protection of Ministry of Agriculture and Zhejiang Province, Institute of Plant Virology, Ningbo University, Ningbo, China
| | - Bin Li
- State Key Laboratory of Rice Biology and Breeding, Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Biotechnology, Zhejiang University, Hangzhou, China
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Ayanda OS, Quadri RO, Adewuyi SO, Mmuoegbulam AO, Okezie O, Mohammed SE, Durumin-Iya NI, Lawal OS, Popoola KM, Adekola FA. Multidimensional applications and potential health implications of nanocomposites. JOURNAL OF WATER AND HEALTH 2023; 21:1110-1142. [PMID: 37632385 PMCID: wh_2023_141 DOI: 10.2166/wh.2023.141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/28/2023]
Abstract
This study reviews the concept, classifications, and techniques involved in the synthesis of nanocomposites. The environmental and health implications of nanoparticles and composite materials were detailed, as well as the applications of nanocomposites in water remediation, antibacterial application, and printed circuit boards. The study gave insights into the challenges of water pollution treatment and provided a broad list of nanocomposites that have been explored for water remediation. Moreover, the emergence of multi-drug resistance to many antibiotics has made current antibiotics inadequate in the treatment of disease. This has engineered the development of alternative strategies in the drug industries for the production of effective therapeutic agents, comprising nanocomposites with antibacterial agents. The new therapeutic agents known as nanoantibiotics are more efficient and have paved the way to handle the challenges of antibiotic resistance. In printed circuit boards, nanocomposites have shown promising applications because of their distinct mechanical, thermal, and electrical characteristics. The uniqueness of the write-up is that it provides a broad explanation of the concept, synthesis, application, toxicity, and harmful effects of nanocomposites. Thus, it will provide all-inclusive awareness to readers to identify research gaps and motivate researchers to synthesize novel nanocomposites for use in various fields.
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Affiliation(s)
- Olushola S Ayanda
- Nanoscience Research Unit, Department of Industrial Chemistry, Federal University Oye-Ekiti, Oye-Ekiti, Ekiti State P.M.B 373, Nigeria E-mail:
| | - Rukayat O Quadri
- Nanoscience Research Unit, Department of Industrial Chemistry, Federal University Oye-Ekiti, Oye-Ekiti, Ekiti State P.M.B 373, Nigeria
| | - Sulaiman O Adewuyi
- Nanoscience Research Unit, Department of Industrial Chemistry, Federal University Oye-Ekiti, Oye-Ekiti, Ekiti State P.M.B 373, Nigeria
| | - Augusta O Mmuoegbulam
- Department of Microbiology, Faculty of Biological Sciences, University of Calabar, Calabar, Nigeria
| | - Onyemaechi Okezie
- Department of Microbiology, Faculty of Biological Sciences, University of Calabar, Calabar, Nigeria
| | - Sa'adatu E Mohammed
- Department of Chemistry, Federal University Dutse, Dutse, Jigawa State PMB 7156, Nigeria
| | - Naseer I Durumin-Iya
- Department of Chemistry, Federal University Dutse, Dutse, Jigawa State PMB 7156, Nigeria
| | - Olayide S Lawal
- Nanoscience Research Unit, Department of Industrial Chemistry, Federal University Oye-Ekiti, Oye-Ekiti, Ekiti State P.M.B 373, Nigeria
| | - Kehinde M Popoola
- Department of Plant Science and Biotechnology, Federal University Oye-Ekiti, Oye-Ekiti, Ekiti State, Nigeria
| | - Folahan A Adekola
- Department of Industrial Chemistry, University of Ilorin, Ilorin, Nigeria
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Serrano-Aroca Á, Tambuwala MM, Birkett M. Frontiers in Antimicrobial Materials. Int J Mol Sci 2022; 23:ijms23148047. [PMID: 35887389 PMCID: PMC9325180 DOI: 10.3390/ijms23148047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Accepted: 07/20/2022] [Indexed: 12/10/2022] Open
Affiliation(s)
- Ángel Serrano-Aroca
- Biomaterials and Bioengineering Lab, Centro de Investigación Traslacional San Alberto Magno, Universidad Católica de Valencia San Vicente Mártir, 46001 Valencia, Spain
- Correspondence:
| | - Murtaza M. Tambuwala
- School of Pharmacy and Pharmaceutical Sciences, Ulster University, Cromore Road, Colerine BT52 2FB, UK;
| | - Martin Birkett
- Department of Mechanical and Construction Engineering, Northumbria University, Ellison Place, Newcastle upon Tyne NE1 8ST, UK;
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Nanostructured Antibiotics and Their Emerging Medicinal Applications: An Overview of Nanoantibiotics. Antibiotics (Basel) 2022; 11:antibiotics11060708. [PMID: 35740115 PMCID: PMC9219893 DOI: 10.3390/antibiotics11060708] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 05/18/2022] [Accepted: 05/19/2022] [Indexed: 02/07/2023] Open
Abstract
Bacterial strains resistant to antimicrobial treatments, such as antibiotics, have emerged as serious clinical problems, necessitating the development of novel bactericidal materials. Nanostructures with particle sizes ranging from 1 to 100 nanometers have appeared recently as novel antibacterial agents, which are also known as “nanoantibiotics”. Nanomaterials have been shown to exert greater antibacterial effects on Gram-positive and Gram-negative bacteria across several studies. Antibacterial nanofilms for medical implants and restorative matters to prevent bacterial harm and antibacterial vaccinations to control bacterial infections are examples of nanoparticle applications in the biomedical sectors. The development of unique nanostructures, such as nanocrystals and nanostructured materials, is an exciting step in alternative efforts to manage microorganisms because these materials provide disrupted antibacterial effects, including better biocompatibility, as opposed to minor molecular antimicrobial systems, which have short-term functions and are poisonous. Although the mechanism of action of nanoparticles (NPs) is unknown, scientific suggestions include the oxidative-reductive phenomenon, reactive ionic metals, and reactive oxygen species (ROS). Many synchronized gene transformations in the same bacterial cell are essential for antibacterial resistance to emerge; thus, bacterial cells find it difficult to build resistance to nanoparticles. Therefore, nanomaterials are considered as advanced solution tools for the fields of medical science and allied health science. The current review emphasizes the importance of nanoparticles and various nanosized materials as antimicrobial agents based on their size, nature, etc.
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