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El-Sayied Ali S, El-Ghannam G, Hashish MES, Elsayed H, Ali AK, Marzouk WM, Khattaby AM, El-Wahab AMA, Abdel-Hafez SH, Attia Attia Y. Exploring bee venom and silver nanoparticles for controlling foulbrood pathogen and enhancing lifespan of honeybees. Sci Rep 2024; 14:19013. [PMID: 39152125 PMCID: PMC11329661 DOI: 10.1038/s41598-024-67515-7] [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: 10/31/2023] [Accepted: 07/11/2024] [Indexed: 08/19/2024] Open
Abstract
The beekeeping industry plays a crucial role in local economies, contributing significantly to their growth. However, bee colonies often face the threat of American foulbrood (AFB), a dangerous disease caused by the Gram-positive bacterium Paenibacillus larvae (P. l.). While the antibiotic Tylosin has been suggested as a treatment, its bacterial resistance necessitates the search for more effective alternatives. This investigation focused on evaluating the potential of bee venom (BV) and silver nanoparticles (Ag NPs) as antibacterial agents against AFB. In vitro treatments were conducted using isolated AFB bacterial samples, with various concentrations of BV and Ag NPs (average size: 25nm) applied individually and in combination. The treatments were administered under both light and dark conditions. The viability of the treatments was assessed by monitoring the lifespans of treated bees and evaluating the treatment's efficiency within bee populations. Promising results were obtained with the use of Ag NPs, which effectively inhibited the progression of AFB. Moreover, the combination of BV and Ag NPs, known as bee venom/silver nanocomposites (BV/Ag NCs), significantly extended the natural lifespan of bees from 27 to 40 days. Notably, oral administration of BV in varying concentrations (1.53, 3.12, and 6.25 mg/mL) through sugary syrup doubled the bees' lifespan compared to the control group. The study established a significant correlation between the concentration of each treatment and the extent of bacterial inhibition. BV/Ag NCs demonstrated 1.4 times greater bactericidal efficiency under photo-stimulation with visible light compared to darkness, suggesting that light exposure enhances the effectiveness of BV/Ag NCs. The combination of BV and Ag NPs demonstrated enhanced antibacterial efficacy and prolonged honeybee lifespan. These results offer insights that can contribute to the development of safer and more efficient antibacterial agents for maintaining honeybee health.
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Affiliation(s)
- Sawsan El-Sayied Ali
- National Institute of Laser Enhanced Sciences, Cairo University, Giza, 12613, Egypt
- Bee Research Department (BRD), Agriculture Research Center (ARC), Plant Protection Research Institute (PPRI), Giza, 12619, Egypt
| | - Gamal El-Ghannam
- National Institute of Laser Enhanced Sciences, Cairo University, Giza, 12613, Egypt
| | - Mohamed El-Sayied Hashish
- Bee Research Department (BRD), Agriculture Research Center (ARC), Plant Protection Research Institute (PPRI), Giza, 12619, Egypt
| | - Hassan Elsayed
- Department of Microbial Biotechnology, Biotechnology Research Institute, National Research Centre, Dokki, Giza, 12622, Egypt
| | - Ahmed Kamel Ali
- Bee Research Department (BRD), Agriculture Research Center (ARC), Plant Protection Research Institute (PPRI), Giza, 12619, Egypt
| | - Wael Mahmoud Marzouk
- Bee Research Department (BRD), Agriculture Research Center (ARC), Plant Protection Research Institute (PPRI), Giza, 12619, Egypt
| | - Ahmed Mahmoud Khattaby
- Bee Research Department (BRD), Agriculture Research Center (ARC), Plant Protection Research Institute (PPRI), Giza, 12619, Egypt
| | | | - Shams H Abdel-Hafez
- Department of Chemistry, College of Science, Taif University, 21944, Taif, Saudi Arabia
| | - Yasser Attia Attia
- National Institute of Laser Enhanced Sciences, Cairo University, Giza, 12613, Egypt.
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Rivera-Mendoza D, Quiñones B, Huerta-Saquero A, Castro-Longoria E. Antimicrobial Activity of Green Synthesized Silver and Copper Oxide Nanoparticles against the Foodborne Pathogen Campylobacter jejuni. Antibiotics (Basel) 2024; 13:650. [PMID: 39061332 PMCID: PMC11273412 DOI: 10.3390/antibiotics13070650] [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: 06/20/2024] [Revised: 07/09/2024] [Accepted: 07/10/2024] [Indexed: 07/28/2024] Open
Abstract
Campylobacter jejuni is a major cause of global foodborne illnesses. To develop alternative antimicrobial strategies against C. jejuni, this study designed and optimized the green synthesis of metallic nanoparticles (NPs) with intracellular components of the medicinal fungus Ganoderma sessile to provide the needed reducing and stabilizing agents. NPs were characterized by transmission electron microscopy and dynamic light scattering, and the quasi-spherical NPs had sizes of 2.9 ± 0.9 nm for the copper oxide NPs and 14.7 ± 0.6 nm for the silver NPs. Surface charge assessment revealed zeta potentials of -21.0 ± 6.5 mV and -24.4 ± 7.9 mV for the copper oxide and silver NPs, respectively. The growth inhibition of C. jejuni by the NPs occurred through attachment to the outer cell membrane and subsequent intracellular internalization and resulted in minimum inhibitory concentrations of the silver NPs at 6 µg/mL and copper oxide NPs at 10 µg/mL. On the other hand, a differential ROS production caused by silver and copper NPs was observed. In summary, this research presents the first demonstration of using green synthesis with the medicinal fungus G. sessile to produce metallic NPs that effectively inhibit C. jejuni growth, providing a sustainable and effective approach to the traditional use of antimicrobials.
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Affiliation(s)
- Daniel Rivera-Mendoza
- Department of Microbiology, Center for Scientific Research and Higher Education of Ensenada (CICESE), Ensenada 22860, Mexico;
| | - Beatriz Quiñones
- Produce Safety and Microbiology Research Unit, Western Regional Research Center, Agricultural Research Service, U.S. Department of Agriculture (USDA), Albany, CA 94710, USA;
| | - Alejandro Huerta-Saquero
- Department of Bionanotechnology, Center for Nanoscience and Nanotechnology, Universidad Nacional Autónoma de México, Ensenada 22860, Mexico
| | - Ernestina Castro-Longoria
- Department of Microbiology, Center for Scientific Research and Higher Education of Ensenada (CICESE), Ensenada 22860, Mexico;
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Ouandaogo HS, Diallo S, Odari E, Kinyu J. Silver nanoparticle biosynthesis utilizing Ocimum kilimandscharicum leaf extract and assessment of its antibacterial activity against certain chosen bacteria. PLoS One 2024; 19:e0295463. [PMID: 38809950 PMCID: PMC11135695 DOI: 10.1371/journal.pone.0295463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Accepted: 05/07/2024] [Indexed: 05/31/2024] Open
Abstract
The use of plants in the biological production of silver nanoparticles for antibacterial applications is a growing field of research. In the current work, we formulated Ocimum kilimandscharicum extracts using silver nanoparticles, and evaluated its potential antibacterial activity. Aqueous and methanol plant extracts were used to reduce silver nitrate at different time intervals (30 to 150 minutes) and pH (2 to 11). The UV-visible absorption spectrum recorded for methanol and aqueous extracts revealed a successful synthesis of AgNPs for methanol and aqueous extracts. The antimicrobial activity of the AgNPs was evaluated against Escherichia coli ATCC 25922, Salmonella choleraesuius ATCC 10708, and Staphylococcus aureus ATCC 25923 The best inhibition zone for the methanol and aqueous-mediated AgNPs, ranging from 12 ± 1 to 16 ± 1mm. Additionally, the methanol and aqueous extract silver nanoparticles had the same Minimum Inhibitory Concentration (6.25 ± 0.00 mg/ml), whereas the Minimum Bactericidal Concentrations were 12.5 ± 0.00 and 25 ± 0.00 mg/ml, respectively. The highest inhibition zone of 16 ± 1 mm was observed against Salmonella choleraesuius with 50 ± 0.00 mg/ml aqueous silver nanoparticles. The results show that the silver nanoparticles made with Ocimum kilimandscharicum have antibacterial action against those microorganisms.
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Affiliation(s)
- Horyomba Siaka Ouandaogo
- Department of Molecular Biology and Biotechnology, Pan African University of Basic Science, Technology and Innovation, Juja, Kenya
| | - Souleymane Diallo
- International Centre of Insect Physiology and Ecology, Nairobi, Kenya
| | - Eddy Odari
- Department of Medical Microbiology, Jomo Kenyatta University of Agriculture and Technology, Juja, Kenya
| | - Johnson Kinyu
- Department of Biochemistry, Jomo Kenyatta University of Agriculture and Technology, Juja, Kenya
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Fatima E, Arooj I, Javeed M, Yin J. Green synthesis, characterization and applications of Phyllanthus emblica fruit extract mediated chromium oxide nanoparticles. DISCOVER NANO 2024; 19:68. [PMID: 38625606 PMCID: PMC11019192 DOI: 10.1186/s11671-024-04006-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Accepted: 04/08/2024] [Indexed: 04/17/2024]
Abstract
The green synthesis of metallic nanoparticles is attributable towards diverse applications in various fields, recently. In this research, we report simple and eco-friendly synthesis of chromium oxide (Cr2O3) nanoparticles using the fruit extract of Phyllanthus emblica as a reducing and capping agent. The absorbance peaks at 350 nm and 450 nm validated the nanoparticle formation in UV-visible spectrum. FTIR spectrum revealed the nature of functional groups. The crystalline properties of nanoparticles were ascertained by XRD analysis. EDX spectrum corroborated the elemental composition of nanoparticles in which chromium and oxygen constituted 68% of total weight. SEM images demonstrated agglomeration of nanoparticles resulting in the formation of large irregularly shaped flakes. Cr2O3 nanoparticles demonstrated excellent antimicrobial properties against 11 bacterial isolates and 1 fungal isolate. The largest inhibition zone (53 mm) was measured against A. baumannii while the smallest inhibition zone (26 mm) was recorded against S. aureus. Minimum inhibitory concentration (MIC) values were < 1 µg/ml for all microbes. However, the synthesized nanoparticles did not reveal synergism with any of the selected antibiotics (FICI values > 1). Nanoparticles possessed potent anti-biofilm powers with maximum (77%) inhibition of E. coli biofilms and minimum (45%) inhibition of S. enterica biofilms. Photocatalytic activity of Cr2O3 nanoparticles was evaluated to determine their efficacy in environmental bioremediation. Outcomes demonstrated degradation of methyl red (84%) but not of methylene blue dye. Furthermore, the Cr2O3 nanoparticles displayed considerable antioxidant (43%) as well as anti-inflammatory (44%) potentials. Hence, the present study accounts for the versatile applications of P. emblica-mediated Cr2O3 nanoparticles which could be pursued for future biomedical and environmental applications.
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Affiliation(s)
- Easha Fatima
- Department of Microbiology and Molecular Genetics, Faculty of Life Sciences, The Women University, Multan, 66000, Pakistan
| | - Iqra Arooj
- Department of Microbiology and Molecular Genetics, Faculty of Life Sciences, The Women University, Multan, 66000, Pakistan.
| | - Mehvish Javeed
- Department of Microbiology and Molecular Genetics, Faculty of Life Sciences, The Women University, Multan, 66000, Pakistan
| | - Jian Yin
- CAS Key Lab of Bio-Medical Diagnostics, Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou, 215163, Jiangsu, China
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Parameswari BD, Rajakumar M, Hariharan A, Kumar S, Mohamed K, Ballal S. Green Synthesis of Ganoderma Lucidum-Mediated Silver Nanoparticles and its Microbial Activity against Oral Pathogenic Microbes: An In Vitro Study. JOURNAL OF PHARMACY AND BIOALLIED SCIENCES 2024; 16:S1456-S1460. [PMID: 38882887 PMCID: PMC11174218 DOI: 10.4103/jpbs.jpbs_933_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 10/03/2023] [Accepted: 10/06/2023] [Indexed: 06/18/2024] Open
Abstract
Nanotechnology is developing into a fast-expanding discipline with applications in science and technology, and nanostructures are a crucial research tool in many fields. Due to their remarkable electrical, optical, magnetic, catalytic, and pharmacological capabilities, metal and metal oxide nanoparticles (NPs) have drawn study interest. Natural elements (plants, microorganisms, fungi, etc.) are utilized in a chemical-free, environmentally benign way to synthesize metals and metal oxides. The optical, electrical, and antimicrobial qualities of silver nanoparticle (AgNP) make them a popular choice. More than 200 active ingredients, including water-soluble, organic-soluble, and volatile chemicals, are found in Ganoderma. The main components are polysaccharides, adenosine, and terpenoids, each of which has exceptional therapeutic properties. This article explains the synthesis of Ag NPs by Ganoderma lucidum and tests the antibacterial effectiveness for use in biological applications.
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Affiliation(s)
- Balakrishnan Devi Parameswari
- Department of Prosthodontics, Faculty of Dental Sciences, Meenakshi Academy of Higher Education and Research, Chennai, Tamil Nadu, India
| | - Manickam Rajakumar
- Department of Prosthodontics, Tamil Nadu Government Dental College, Chennai, Tamil Nadu, India
| | - Annapoorni Hariharan
- Department of Prosthodontics, Faculty of Dental Sciences, Meenakshi Academy of Higher Education and Research, Chennai, Tamil Nadu, India
| | - Senthil Kumar
- Department of Fashion Technology, National Institute of Fashion Technology, New Delhi, India
| | - Kasim Mohamed
- Department of Prosthodontics, Sri Ramachandra Institute of Higher Education and Research, Chennai, Tamil Nadu, India
| | - Suma Ballal
- Department of Prosthodontics, Faculty of Dental Sciences, Meenakshi Academy of Higher Education and Research, Chennai, Tamil Nadu, India
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Girma A, Abera B, Mekuye B, Mebratie G. Antibacterial Activity and Mechanisms of Action of Inorganic Nanoparticles against Foodborne Bacterial Pathogens: A Systematic Review. IET Nanobiotechnol 2024; 2024:5417924. [PMID: 38863967 PMCID: PMC11095078 DOI: 10.1049/2024/5417924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 06/25/2023] [Accepted: 07/18/2023] [Indexed: 06/13/2024] Open
Abstract
Foodborne disease outbreaks due to bacterial pathogens and their toxins have become a serious concern for global public health and security. Finding novel antibacterial agents with unique mechanisms of action against the current spoilage and foodborne bacterial pathogens is a central strategy to overcome antibiotic resistance. This study examined the antibacterial activities and mechanisms of action of inorganic nanoparticles (NPs) against foodborne bacterial pathogens. The articles written in English were recovered from registers and databases (PubMed, ScienceDirect, Web of Science, Google Scholar, and Directory of Open Access Journals) and other sources (websites, organizations, and citation searching). "Nanoparticles," "Inorganic Nanoparticles," "Metal Nanoparticles," "Metal-Oxide Nanoparticles," "Antimicrobial Activity," "Antibacterial Activity," "Foodborne Bacterial Pathogens," "Mechanisms of Action," and "Foodborne Diseases" were the search terms used to retrieve the articles. The PRISMA-2020 checklist was applied for the article search strategy, article selection, data extraction, and result reporting for the review process. A total of 27 original research articles were included from a total of 3,575 articles obtained from the different search strategies. All studies demonstrated the antibacterial effectiveness of inorganic NPs and highlighted their different mechanisms of action against foodborne bacterial pathogens. In the present study, small-sized, spherical-shaped, engineered, capped, low-dissolution with water, high-concentration NPs, and in Gram-negative bacterial types had high antibacterial activity as compared to their counterparts. Cell wall interaction and membrane penetration, reactive oxygen species production, DNA damage, and protein synthesis inhibition were some of the generalized mechanisms recognized in the current study. Therefore, this study recommends the proper use of nontoxic inorganic nanoparticle products for food processing industries to ensure the quality and safety of food while minimizing antibiotic resistance among foodborne bacterial pathogens.
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Affiliation(s)
- Abayeneh Girma
- Department of Biology, College of Natural and Computational Science, Mekdela Amba University, P.O. Box 32, Tuluawlia, Ethiopia
| | - Birhanu Abera
- Department of Physics, College of Natural and Computational Science, Mekdela Amba University, P.O. Box 32, Tuluawlia, Ethiopia
| | - Bawoke Mekuye
- Department of Physics, College of Natural and Computational Science, Mekdela Amba University, P.O. Box 32, Tuluawlia, Ethiopia
| | - Gedefaw Mebratie
- Department of Physics, College of Natural and Computational Science, Mekdela Amba University, P.O. Box 32, Tuluawlia, Ethiopia
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Lenka S, Dubey D, Swain SK, Rath G, Mishra A, Bishoyi AK, Purohit GK. Implementation of Silver Nanoparticles Green Synthesized with Leaf Extract of Coccinia grandis as Antimicrobial Agents Against Head and Neck Infection MDR Pathogens. Curr Pharm Biotechnol 2024; 25:2312-2325. [PMID: 38347796 DOI: 10.2174/0113892010290653240109053852] [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: 11/01/2023] [Revised: 12/16/2023] [Accepted: 12/22/2023] [Indexed: 09/26/2024]
Abstract
BACKGROUND Head and neck infections (HNI) associated with multidrug resistance (MDR) offer several health issues on a global scale due to inaccurate diagnosis. OBJECTIVES This study aimed to identify the bacteria and Candidal isolates and implement the silver nanoparticles green synthesized with leaf extract of Coccinia grandis (Cg-AgNPs) as a therapeutic approach against HNI pathogens. METHODS The Cg-AgNPs were characterized by the UV-visible spectrophotometer, FT-IR analysis, Zeta particle size, Zeta potential, and field emission scanning electron microscope (FESEM) analysis to validate the synthesis of nanoparticles. Additionally, the antimicrobial activity of Cg-AgNPs was presented by the zone of inhibition (ZOI), minimum inhibitory concentration (MIC), minimum bactericidal/fungicidal concentration (MBC/MFC), and antibiofilm assay. Moreover, the cell wall rupture assay was visualized on SEM for the morphological study of antimicrobial activities, and the in-vivo toxicity was performed in a swiss mice model to evaluate the impact of Cg-AgNPs on various biological parameters. RESULTS Different bacterial strains (Staphylococcus aureus, Acinetobacter baumannii, Klebsiella pneumoniae, and Pseudomonas aeruginosa) and Candida sp. (Candida albicans, Candida tropicalis, Candida orthopsilosis, and Candida glabrata) were identified. The MIC, MBC, and antibiofilm potential of Cg-AgNPs were found to be highest against A. baumannii: 1.25 μg/ml, 5 μg/ml, and 85.01±5.19% respectively. However, C. albicans and C. orthopsilosis revealed 23 mm and 21 mm of ZOI. Subsequently, the micromorphology of the cell wall rupture assay confirmed the efficacy of Cg-AgNPs, and no significant alterations were seen in biochemical and hematological parameters on the swiss mice model in both acute and subacute toxicity studies. CONCLUSION The green synthesized Cg-AgNPs have multifunctional activities like antibacterial, anticandidal, and antibiofilm activity with no toxicity and can be introduced against the HNI pathogens.
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Affiliation(s)
- Smarita Lenka
- Department of Medical Research, IMS and SUM Hospital, Siksha 'O' Anusandhan Deemed to be University, K8, Kalinga Nagar, Bhubaneswar, 751003, Odisha, India
| | - Debasmita Dubey
- Department of Medical Research, IMS and SUM Hospital, Siksha 'O' Anusandhan Deemed to be University, K8, Kalinga Nagar, Bhubaneswar, 751003, Odisha, India
| | - Santosh Kumar Swain
- Department of Otorhinolaryngology and Head and Neck Surgery, All India Institute of Medical Sciences, Sijua, Patrapada, Bhubaneswar, 751019, Odisha, India
| | - Goutam Rath
- School of Pharmaceutical Sciences, Siksha 'O' Anusandhan Deemed to be University, Bhubaneswar, 751003, Odisha, India
| | - Ajit Mishra
- School of Pharmaceutical Sciences, Siksha 'O' Anusandhan Deemed to be University, Bhubaneswar, 751003, Odisha, India
| | - Ajit Kumar Bishoyi
- Clinical Hematology, IMS and SUM Hospital, Siksha 'O' Anusandhan Deemed to be University, Bhubaneswar, 751003, Odisha, India
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Al-Fahham BM, Mohamed RA, Al-Talqani JMT, Fahad AH, Haider J. Evaluating Antimicrobial Effectiveness of Gold Nanoparticles against Streptococcus oralis. Int J Dent 2023; 2023:9935556. [PMID: 37771364 PMCID: PMC10533241 DOI: 10.1155/2023/9935556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 07/31/2023] [Accepted: 09/04/2023] [Indexed: 09/30/2023] Open
Abstract
Biofilm includes many microorganisms that causes the periodontal diseases. The increased drugs resistance against the infectious diseases is a major issue owing to excessive using of a broad spectrum of antibiotics. Recently, metallic nanoparticles (NPs) are being administered to control the growth of different types of microorganisms. For instance, gold nanoparticles (Au NPs) are found to be successful to control and limit the bacterial pathogenicity in the oral cavity without any cytotoxic effects on the human body. Aim. In this paper, it was aimed to detect the antibacterial effect of Au NPs and compare with chlorhexidine (CHX) against Streptococcus oralis (S. oralis) in dental plaque of patients with chronic periodontitis. Materials and Methods. First, supragingival and subgingival plaque samples were collected from the patients suffering from periodontal disease and incubated under aerobic or/and anaerobic conditions. Second, the morphological examination, and biochemical test by Vitec 2 machine are used to confirm the S. oralis species. Third, the synthesis of Au NPs was carried out by seed growth method and their properties were characterized. Finally, the antimicrobial effect of the Au NPs against S. oralis was evaluated by Agar well diffusion method for different Au NPs concentrations (100, 50, 25, 12.5, 6.25, 3.125, 1.562, 0.781, 0.391, 0.195, and 0.097 ppm). CHX was used as the positive control and distilled water as the negative control. The antibacterial activity data were statistically analyzed by least significant difference (LSD) using the Statistical Program for Social Science (SPSS) version 22. Results. The Au NPs with an average particles size of 43 nm, polycrystalline face-centered cubic structure were characterized. The Au NPs at 100 ppm concentration had similar antibacterial effect of CHX for inhibiting the growth of S. oralis, with no significant difference. Conclusions. The Au NPs as an antibacterial agent could be equally effective against S. oralis similar to the CHX when used at higher concentration.
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Affiliation(s)
- Batool M Al-Fahham
- Department of Pediatric and Preventive dentistry, College of Dentistry, University of Kufa, Iraq
| | - Rafeef Ahmed Mohamed
- Department of Pediatric and Preventive dentistry, College of Dentistry, University of Kufa, Iraq
| | | | - Ali Hadi Fahad
- Department of Pediatric and Preventive dentistry, College of Dentistry, University of Kufa, Iraq
| | - Julfikar Haider
- Department of Engineering, Manchester Metropolitan University, Manchester, M12 5GN, UK
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Das G, Seo S, Yang IJ, Nguyen LTH, Shin HS, Patra JK. Synthesis of Biogenic Gold Nanoparticles by Using Sericin Protein from Bombyx mori Silk Cocoon and Investigation of Its Wound Healing, Antioxidant, and Antibacterial Potentials. Int J Nanomedicine 2023; 18:17-34. [PMID: 36628114 PMCID: PMC9826641 DOI: 10.2147/ijn.s378806] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 10/03/2022] [Indexed: 01/05/2023] Open
Abstract
Introduction A number of biological wastes and factory waste materials have been tested recently for the eco-friendly biosynthesis of nanoparticles. Sericin protein (SSP) is usually removed from the silk cocoon during the degumming process in the process of making the silk, and this sericin protein is normally thrown away by the sericulture industries as waste materials. It is found that this sericin protein possesses a number of biological properties. Methods Considering this, in the present study, an effort has been made to biosynthesize gold nanoparticles (SSP-AuNPs) using the waste sericin solution as the reducing and capping agent and investigate its biopotential in terms of its wound healing, antioxidant and antibacterial activities. Results The synthesis of SSP-AuNPs was perceived by the visual color change and confirmed by UV-Vis spectroscopy with absorption maxima at 522 nm. Further characterization of SSP-AuNPs was done by TEM, EDS, XRD, FTIR, DLS, zeta potential, TGA, AFM, etc. The size of SSP-AuNPs was found out to be 54.82 nm as per the particle size analyzer and the zeta potential is -19.8 mV. The SSP-AuNPs displayed promising wound healing potential of 70.96 and 69.76% wound closure rate at 5 and 10 µg/mL respectively as compared to 74.91% by the Centella asiatica taken as a positive control. It also exhibited promising antioxidant potential in terms of the DPPH, ABTS free radical scavenging, reducing power potential, and total antioxidant capacity. Besides, the SSP-AuNPs also displayed significant antibacterial activities against the tested pathogenic bacterial with the diameter of inhibition zones ranging between 12.10 and 14.96 mm as compared to the positive control cephalexin that displayed inhibition zones ranging between 12.08 and 13.24 mm. Discussion Taken together, SSP-AuNPs could serve as an interesting candidate for food, cosmetics, and biomedical fields in the applications of wound healing, cosmetics, antibacterial bandages, and ointments, etc.
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Affiliation(s)
- Gitishree Das
- Research Institute of Integrative Life Sciences, Dongguk University-Seoul, Goyangsi, Republic of Korea
| | - Sujin Seo
- Department of Food Science & Biotechnology, Dongguk University-Seoul, Goyangsi, Republic of Korea
| | - In-Jun Yang
- Department of Physiology, College of Korean Medicine, Dongguk University, Gyeongju, Republic of Korea
| | - Ly Thi Huong Nguyen
- Department of Physiology, College of Korean Medicine, Dongguk University, Gyeongju, Republic of Korea
| | - Han-Seung Shin
- Department of Food Science & Biotechnology, Dongguk University-Seoul, Goyangsi, Republic of Korea
| | - Jayanta Kumar Patra
- Research Institute of Integrative Life Sciences, Dongguk University-Seoul, Goyangsi, Republic of Korea,Correspondence: Jayanta Kumar Patra, Research Institute of Integrative Life Sciences, Dongguk University-Seoul, Goyangsi, 10326, Republic of Korea, Tel +82-31-961-5625, Email
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Palanisamy S, Anjali R, Jeneeta S, Mohandoss S, Keerthana D, Shin IS, You S, Prabhu NM. An effective bio-inspired synthesis of platinum nanoparticles using Caulerpa sertularioides and investigating their antibacterial and antioxidant activities. Bioprocess Biosyst Eng 2023; 46:105-118. [PMID: 36534143 DOI: 10.1007/s00449-022-02816-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Accepted: 11/14/2022] [Indexed: 12/23/2022]
Abstract
In this study, we report the synthesis of platinum nanoparticles (Cs-PtNPs) using an aqueous extract of Caulerpa sertularioides as a reducing agent. Cs-PtNPs were characterized by UV-Vis spectroscopy, fourier transform infrared (FT-IR) spectroscopy, X-ray diffraction (XRD), field emission electron microscopy (FE-SEM), energy-dispersive X-ray spectroscopy (EDAX), high-resolution transmission electron microscopy (HR-TEM) and dynamic light scattering (DLS) analysis. Cs-PtNPs are spherical with a particle size of 6-22 nm. Cs-PtNPs have been shown to have highly effective antioxidant activities with 74% for DPPH, 63% for reducing power, and 59% for total antioxidant at 1 mg/ml, and results were compared with standard L-ascorbic acid. Furthermore, the Cs-PtNPs demonstrated excellent antibacterial activity against the Gram-negative bacteria, Vibrio parahaemolyticus with the highest zone of inhibition (18 mm) at 50 µg/ml. Moreover, Artemia nauplii showed less toxicity when treated with Cs-PtNPs at 150 µg/ml, indicating that the Cs-PtNPs are less toxic and environment friendly.
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Affiliation(s)
- Subramanian Palanisamy
- East Coast Life Sciences Institute, Gangneung-Wonju National University, 120 Gangneung, Gangwon, 210-720, Republic of Korea
- Department of Marine Food Science and Technology, Gangneung-Wonju National University, 120 Gangneung, Gangwon, 210-702, Republic of Korea
| | - Ravichandran Anjali
- Disease Control and Prevention Lab, Department of Animal Health and Management, Alagappa University, Karaikudi, Tamil Nadu, 630 003, India
| | - Solomon Jeneeta
- Disease Control and Prevention Lab, Department of Animal Health and Management, Alagappa University, Karaikudi, Tamil Nadu, 630 003, India
| | - Sonaimuthu Mohandoss
- School of Chemical Engineering, Yeungnam University, Gyeongsan, 38541, Republic of Korea
| | - Dhanapal Keerthana
- Disease Control and Prevention Lab, Department of Animal Health and Management, Alagappa University, Karaikudi, Tamil Nadu, 630 003, India
| | - Il-Shik Shin
- East Coast Life Sciences Institute, Gangneung-Wonju National University, 120 Gangneung, Gangwon, 210-720, Republic of Korea
- Department of Marine Food Science and Technology, Gangneung-Wonju National University, 120 Gangneung, Gangwon, 210-702, Republic of Korea
| | - SangGuan You
- East Coast Life Sciences Institute, Gangneung-Wonju National University, 120 Gangneung, Gangwon, 210-720, Republic of Korea.
- Department of Marine Food Science and Technology, Gangneung-Wonju National University, 120 Gangneung, Gangwon, 210-702, Republic of Korea.
| | - Narayanasamy Marimuthu Prabhu
- Disease Control and Prevention Lab, Department of Animal Health and Management, Alagappa University, Karaikudi, Tamil Nadu, 630 003, India.
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Nagaraja SK, Niazi SK, Bepari A, Assiri RA, Nayaka S. Leonotis nepetifolia Flower Bud Extract Mediated Green Synthesis of Silver Nanoparticles, Their Characterization, and In Vitro Evaluation of Biological Applications. MATERIALS (BASEL, SWITZERLAND) 2022; 15:ma15248990. [PMID: 36556796 PMCID: PMC9781718 DOI: 10.3390/ma15248990] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 12/03/2022] [Accepted: 12/13/2022] [Indexed: 05/14/2023]
Abstract
Biosynthesis of silver nanoparticles (AgNPs) using the green matrix is an emerging trend and is considered green nanotechnology because it involves a simple, low-cost, and environmentally friendly process. The present research aimed to synthesize silver nanoparticles from a Leonotis nepetifolia (L.) R.Br. flower bud aqueous extract, characterize these nanoparticles, and perform in vitro determination of their biological applications. UV-Vis spectra were used to study the characterization of biosynthesized L. nepetifolia-flower-bud-mediated AgNPs (LnFb-AgNPs); an SPR absorption maximum at 418 nm confirmed the formation of LnFb-AgNPs. The presumed phytoconstituents subjected to reduction in the silver ions were revealed by FTIR analysis. XRD, TEM, EDS, TGA, and zeta potential with DLS analysis revealed the crystalline nature, particle size, elemental details, surface charge, thermal stability, and spherical shape, with an average size of 24.50 nm. In addition, the LnFb-AgNPs were also tested for antimicrobial activity and exhibited a moderate zone of inhibition against the selected pathogens. Concentration-dependent antioxidant activity was observed in the DPPH assay. Further, the cytotoxicity increased proportionate to the increasing concentration of the biosynthesized LnFb-AgNPs with a maximum effect at 200 μg/mL by showing the inhibition cell viability percentages and an IC50 of 35.84 μg/mL. Subsequently, the apoptotic/necrotic potential was determined using Annexin V/Propidium Iodide staining by the flow cytometry method. Significant early and late apoptosis cell populations were observed in response to the pancreatic ductal adenocarcinoma (PANC-1) cell line, as demonstrated by the obtained results. In conclusion, the study's findings suggest that the LnFb-AgNPs could serve as remedial agents in a wide range of biomedical applications.
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Affiliation(s)
| | - Shaik Kalimulla Niazi
- Department of Preparatory Health Sciences, Riyadh Elm University, Riyadh 12611, Saudi Arabia
| | - Asmatanzeem Bepari
- Department of Basic Medical Sciences, College of Medicine, Princess Nourah bint Abdulrahman University, Riyadh 11671, Saudi Arabia
| | - Rasha Assad Assiri
- Department of Basic Medical Sciences, College of Medicine, Princess Nourah bint Abdulrahman University, Riyadh 11671, Saudi Arabia
| | - Sreenivasa Nayaka
- P.G. Department of Studies in Botany, Karnatak University, Dharwad 580003, Karnataka, India
- Correspondence: (S.K.N.); (S.N.)
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12
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Moradi Pour M, Saberi Riseh R, Ranjbar-Karimi R, Hassanisaadi M, Rahdar A, Baino F. Microencapsulation of Bacillus velezensis Using Alginate-Gum Polymers Enriched with TiO 2 and SiO 2 Nanoparticles. MICROMACHINES 2022; 13:mi13091423. [PMID: 36144046 PMCID: PMC9500707 DOI: 10.3390/mi13091423] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 08/18/2022] [Accepted: 08/22/2022] [Indexed: 05/03/2023]
Abstract
Bacillus bacteria are a group of plant growth stimulants that increase plant growth and resistance to plant pathogens by producing various metabolites. With their large surface area and small size, nanoparticles can be used in controlled-release formulations and increase the efficiency of the desired product. Encapsulation of biological agents in combination with nanoparticles can be an essential step in increasing the performance of these agents in adverse environmental conditions. In this study, which is the result of a collaboration between scientists from Italy and Iran, Bacillus velezensis was encapsulated in alginate combined with whey protein and zedo, mastic, and tragacanth gums in the presence of silica and titania nanoparticles to obtain two-layer and multilayer assemblies acting as novel, smart micro-encapsulation systems. The results of laboratory studies showed that the B. velezensis could produce protease, lipase, siderophore, auxin, and a dissolution of mineral phosphate. Scanning electron microscopy images (SEM) showed that the studied microcapsules were almost spherical. Moisture affinity, swelling, and efficiency of each microcapsule were examined. The results showed that the highest encapsulation efficiency (94.3%) was related to the multilayer formulation of alginate-whey protein-zedo. XRD and FTIR spectroscopy showed that the alginate, whey protein, and zedo were mixed properly and no incompatible composition occurred in the reaction. This study aimed to provide a suitable formulation of biofertilizers based on biodegradable compounds as an alternative to chemical fertilizers, which is low cost and very effective without harming humans and the environment.
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Affiliation(s)
- Mojde Moradi Pour
- Department of Plant Protection, Faculty of Agriculture, Vali-e-Asr University of Rafsanjan, Rafsanjan 7718897111, Iran
| | - Roohallah Saberi Riseh
- Department of Plant Protection, Faculty of Agriculture, Vali-e-Asr University of Rafsanjan, Rafsanjan 7718897111, Iran
- Correspondence: (R.S.R.); (F.B.)
| | - Reza Ranjbar-Karimi
- Department of Chemistry, Faculty of Science, Vali-e-Asr University, Rafsanjan 7718893514, Iran
| | - Mohadeseh Hassanisaadi
- Department of Plant Protection, Faculty of Agriculture, Vali-e-Asr University of Rafsanjan, Rafsanjan 7718897111, Iran
- Department of Plant Protection, Faculty of Agriculture, Shahid Bahinar University of Kerman, Kerman 7618411764, Iran
| | - Abbas Rahdar
- Department of Physics, University of Zabol, Zabol 9861335856, Iran
| | - Francesco Baino
- Institute of Materials Physics and Engineering, Department of Applied Science and Technology, Politecnico di Torino, 10129 Turin, Italy
- Correspondence: (R.S.R.); (F.B.)
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13
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Yu Y, Zhou Z, Huang G, Cheng H, Han L, Zhao S, Chen Y, Meng F. Purifying water with silver nanoparticles (AgNPs)-incorporated membranes: Recent advancements and critical challenges. WATER RESEARCH 2022; 222:118901. [PMID: 35933814 DOI: 10.1016/j.watres.2022.118901] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 06/19/2022] [Accepted: 07/23/2022] [Indexed: 06/15/2023]
Abstract
In the face of the growing global water crisis, membrane technology is a promising means of purifying water and wastewater. Silver nanoparticles (AgNPs) have been widely used to improve membrane performance, for antibiofouling, and to aid in photocatalytic degradation, thermal response, and electro-conductivity. However, several critical issues such as short antimicrobial periods, trade-off effects and silver inactivation seriously restrict the engineering application of AgNPs-incorporated membranes. In addition, there is controversy around the use of AgNPs given the toxic preparation process and environmental/biological risks. Hence, it is of great significance to summarize and analyze the recent developments and critical challenges in the use of AgNPs-incorporated membranes in water and wastewater treatment, and to propose potential solutions. We reviewed the different properties and functions of AgNPs and their corresponding applications in AgNPs-incorporated membranes. Recently, multifunctional, novel AgNP-incorporated membranes combined with other functional materials have been developed with high-performance. We further clarified the synergistic mechanisms between AgNPs and these novel nanomaterials and/or polymers, and elucidated their functions and roles in membrane separation. Finally, the critical challenges of AgNPs-incorporated membranes and the proposed solutions were outlined: i) Prolonging the antimicrobial cycle through long-term and controlled AgNPs release; ii) Overcoming the trade-off effect and organic fouling of the AgNPs-incorporated membranes; iii) Preparation of sustainable AgNPs-incorporated membranes; iv) Addressing biotoxicity induced by AgNPs; and v) Deactivation of AgNPs-incorporated membrane. Overall, this review provides a comprehensive discussion of the advancements and challenges of AgNPs-incorporated membranes and guides the development of more robust, multi-functional and sustainable AgNPs-incorporated membranes.
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Affiliation(s)
- Yuanyuan Yu
- College of Resources and Environment, Southwest University, Chongqing, 400715, China; Chongqing Engineering Research Center of Rural Cleaner Production, Chongqing, 400715, China
| | - Zhongbo Zhou
- College of Resources and Environment, Southwest University, Chongqing, 400715, China; Chongqing Engineering Research Center of Rural Cleaner Production, Chongqing, 400715, China.
| | - Guocheng Huang
- Department of Environmental Science and Engineering, Fuzhou University, Minhou, Fujian, 350108, China
| | - Hong Cheng
- College of Environment and Ecology, Chongqing University, Chongqing, 400044, China
| | - Le Han
- College of Environment and Ecology, Chongqing University, Chongqing, 400044, China
| | - Shanshan Zhao
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou, 510006, China
| | - Yucheng Chen
- College of Resources and Environment, Southwest University, Chongqing, 400715, China; Chongqing Engineering Research Center of Rural Cleaner Production, Chongqing, 400715, China
| | - Fangang Meng
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou, 510006, China
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14
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Bioprospects of Endophytic Bacteria in Plant Growth Promotion and Ag-Nanoparticle Biosynthesis. PLANTS 2022; 11:plants11141787. [PMID: 35890421 PMCID: PMC9324254 DOI: 10.3390/plants11141787] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 06/04/2022] [Accepted: 06/07/2022] [Indexed: 11/16/2022]
Abstract
In this study, five endophytic bacterial strains, namely Rhizobium pusense (MS-1), Bacillus cereus MS-2, Bacillus flexus (MS-3), Methylophilus flavus (MS-4), and Pseudomonas aeruginosa (MS-5), were used to investigate their potential role in the enhancement of growth yields of two types of tomato varieties, viz. hybrid and local, and in the biosynthesis of silver nanoparticles (AgNPs). The inoculation of bacterial strains enhanced the root and shoot length, biomass, and leaf chlorophyll contents. The fruit weight of the tomato (kg/plant) was also higher in the bacteria inoculated plants of both hybrid and local varieties than in the control (untreated). A significant increase was recorded in the fruit yield (g/plant) in all the treatments, whereas Methylophilus flavus (MS-4) inoculated plants yielded nearly 2.5 times more fruit weight compared to the control in the hybrid variety and two times higher in the local variety. The response to M. flavus as a microbial inoculant was greater than to the other strains. Biosynthesis of Ag nanoparticles was also carried out using all five endophytic bacterial strains. The weakest producers of AgNPs were Rhizobium pusense (MS-1) and Methylophilus flavus (MS-4), while Bacillus cereus MS-2, Bacillus flexus (MS-3), and Pseudomonas aeruginosa (MS-5) were strong producers of AgNPs. Nanoparticles were further characterized using high-resolution scanning electron microscopy (HR-SEM), transmission electron microscopy (TEM), Fourier transform infrared (FTIR), UV-Vis spectrophotometry, and X-ray diffraction (XRD) analysis, and revealed cuboidal shaped AgNPs in the Bacillus cereus MS-2 strain. In addition, the biosynthesized AgNPs showed antibacterial activity against various pathogenic and endophytic bacterial strains.
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15
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Ödemiş Ö, Özdemir S, Gonca S, Ağırtaş MS. Characterization of silver nanoparticles fabricated by green synthesis using Urtica dioica and Lavandula angustifolia and investigation of antimicrobial and antioxidant. INORG NANO-MET CHEM 2022. [DOI: 10.1080/24701556.2022.2068584] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Ömer Ödemiş
- Department of Chemistry, Faculty of Science, Van Yüzüncü Yıl University, Van, Turkey
| | - Sadin Özdemir
- Food Processing Programme, Technical Science Vocational School, Mersin University, Yenisehir, Mersin, Turkey
| | - Serpil Gonca
- Department of Pharmaceutical Microbiology, Faculty of Pharmacy, University of Mersin, Yenisehir, Mersin, Turkey
| | - Mehmet Salih Ağırtaş
- Department of Chemistry, Faculty of Science, Van Yüzüncü Yıl University, Van, Turkey
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16
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Bianchi E, Vigani B, Viseras C, Ferrari F, Rossi S, Sandri G. Inorganic Nanomaterials in Tissue Engineering. Pharmaceutics 2022; 14:1127. [PMID: 35745700 PMCID: PMC9231279 DOI: 10.3390/pharmaceutics14061127] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 05/10/2022] [Accepted: 05/23/2022] [Indexed: 12/13/2022] Open
Abstract
In recent decades, the demand for replacement of damaged or broken tissues has increased; this poses the attention on problems related to low donor availability. For this reason, researchers focused their attention on the field of tissue engineering, which allows the development of scaffolds able to mimic the tissues' extracellular matrix. However, tissue replacement and regeneration are complex since scaffolds need to guarantee an adequate hierarchical structured morphology as well as adequate mechanical, chemical, and physical properties to stand the stresses and enhance the new tissue formation. For this purpose, the use of inorganic materials as fillers for the scaffolds has gained great interest in tissue engineering applications, due to their wide range of physicochemical properties as well as their capability to induce biological responses. However, some issues still need to be faced to improve their efficacy. This review focuses on the description of the most effective inorganic nanomaterials (clays, nano-based nanomaterials, metal oxides, metallic nanoparticles) used in tissue engineering and their properties. Particular attention has been devoted to their combination with scaffolds in a wide range of applications. In particular, skin, orthopaedic, and neural tissue engineering have been considered.
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Affiliation(s)
- Eleonora Bianchi
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy; (E.B.); (B.V.)
| | - Barbara Vigani
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy; (E.B.); (B.V.)
| | - César Viseras
- Department of Pharmacy and Pharmaceutical Technology, University of Granada, Campus Universitario de Cartuja, 18071 Granada, Spain;
| | - Franca Ferrari
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy; (E.B.); (B.V.)
| | - Silvia Rossi
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy; (E.B.); (B.V.)
| | - Giuseppina Sandri
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy; (E.B.); (B.V.)
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17
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Rahman TU, Anwar MR, Zeb MA, Liaqat W. Green synthesis, characterization, antibacterial activity of metal nanoparticles and composite oxides using leaves extract of Ocimum basilicum L. Microsc Res Tech 2022; 85:2857-2865. [PMID: 35460328 DOI: 10.1002/jemt.24134] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2021] [Revised: 04/04/2022] [Accepted: 04/14/2022] [Indexed: 11/06/2022]
Abstract
Nanoparticles plays a key role in the development of novel antibacterial substances against various pathogenic microorganisms. These nanoparticles due to their smaller size could be very effective as they can improve the antibacterial activity through lysis of bacterial cell wall. In the present research work, ZnO, MgO, NiO, AlO nanoparticles, and MgNiO, and AlZnO composite oxides were synthesized by green method from Ocimum basilicum leaves extract. The nanoparticles formed were evaluated using FTIR, XRD, EDX, and SEM to confirm the formation of NPs and to determine the morphology, elemental composition, shape and size, composition, and nature of bonds present in the NPs. Further, the NPs were tested for their antibacterial activity. In particular, ZnO NPs showed a good inhibitory effect against Pseudomonas aeruginosa with 20 mm zone of inhibition. Hence, the process reported herein could be optimized for large-scale preparation of NPs.
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Affiliation(s)
- Taj Ur Rahman
- Department of Chemistry, Mohi-Ud-Din Islamic University, AJ&K, Pakistan
| | | | | | - Wajiha Liaqat
- Department of Chemistry, Mohi-Ud-Din Islamic University, AJ&K, Pakistan
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18
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Chopra H, Bibi S, Singh I, Hasan MM, Khan MS, Yousafi Q, Baig AA, Rahman MM, Islam F, Emran TB, Cavalu S. Green Metallic Nanoparticles: Biosynthesis to Applications. Front Bioeng Biotechnol 2022; 10:874742. [PMID: 35464722 PMCID: PMC9019488 DOI: 10.3389/fbioe.2022.874742] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Accepted: 03/22/2022] [Indexed: 12/14/2022] Open
Abstract
Current advancements in nanotechnology and nanoscience have resulted in new nanomaterials, which may pose health and environmental risks. Furthermore, several researchers are working to optimize ecologically friendly procedures for creating metal and metal oxide nanoparticles. The primary goal is to decrease the adverse effects of synthetic processes, their accompanying chemicals, and the resulting complexes. Utilizing various biomaterials for nanoparticle preparation is a beneficial approach in green nanotechnology. Furthermore, using the biological qualities of nature through a variety of activities is an excellent way to achieve this goal. Algae, plants, bacteria, and fungus have been employed to make energy-efficient, low-cost, and nontoxic metallic nanoparticles in the last few decades. Despite the environmental advantages of using green chemistry-based biological synthesis over traditional methods as discussed in this article, there are some unresolved issues such as particle size and shape consistency, reproducibility of the synthesis process, and understanding of the mechanisms involved in producing metallic nanoparticles via biological entities. Consequently, there is a need for further research to analyze and comprehend the real biological synthesis-dependent processes. This is currently an untapped hot research topic that required more investment to properly leverage the green manufacturing of metallic nanoparticles through living entities. The review covers such green methods of synthesizing nanoparticles and their utilization in the scientific world.
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Affiliation(s)
- Hitesh Chopra
- Chitkara College of Pharmacy, Chitkara University, Rajpura, India
| | - Shabana Bibi
- Yunnan Herbal Laboratory, College of Ecology and Environmental Sciences, Yunnan University, Kunming, China
- The International Joint Research Center for Sustainable Utilization of Cordyceps Bioresources in China and Southeast Asia, Yunnan University, Kunming, China
| | - Inderbir Singh
- Chitkara College of Pharmacy, Chitkara University, Rajpura, India
| | - Mohammad Mehedi Hasan
- Department of Biochemistry and Molecular Biology, Faculty of Life Science, Mawlana Bhashani Science and Technology University, Tangail, Bangladesh
| | - Muhammad Saad Khan
- Department of Biosciences, COMSATS University Islamabad, Sahiwal, Pakistan
| | - Qudsia Yousafi
- Department of Biosciences, COMSATS University Islamabad, Sahiwal, Pakistan
| | - Atif Amin Baig
- Unit of Biochemistry, Faculty of Medicine, University Sultan Zainal Abidin, Kuala Terengganu, Malaysia
| | - Md. Mominur Rahman
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, Bangladesh
| | - Fahadul Islam
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, Bangladesh
| | - Talha Bin Emran
- Department of Pharmacy, BGC Trust University Bangladesh, Chittagong, Bangladesh
| | - Simona Cavalu
- Faculty of Medicine and Pharmacy, University of Oradea, Oradea, Romania
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19
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Tripathi N, Goshisht MK. Recent Advances and Mechanistic Insights into Antibacterial Activity, Antibiofilm Activity, and Cytotoxicity of Silver Nanoparticles. ACS APPLIED BIO MATERIALS 2022; 5:1391-1463. [PMID: 35358388 DOI: 10.1021/acsabm.2c00014] [Citation(s) in RCA: 60] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The substantial increase in multidrug-resistant (MDR) pathogenic bacteria is a major threat to global health. Recently, the Centers for Disease Control and Prevention reported possibilities of greater deaths due to bacterial infections than cancer. Nanomaterials, especially small-sized (size ≤10 nm) silver nanoparticles (AgNPs), can be employed to combat these deadly bacterial diseases. However, high reactivity, instability, susceptibility to fast oxidation, and cytotoxicity remain crucial shortcomings for their uptake and clinical application. In this review, we discuss various AgNPs-based approaches to eradicate bacterial infections and provide comprehensive mechanistic insights and recent advances in antibacterial activity, antibiofilm activity, and cytotoxicity (both in vitro and in vivo) of AgNPs. The mechanistic of antimicrobial activity involves four steps: (i) adhesion of AgNPs to cell wall/membrane and its disruption; (ii) intracellular penetration and damage; (iii) oxidative stress; and (iv) modulation of signal transduction pathways. Numerous factors affecting the bactericidal activity of AgNPs such as shape, size, crystallinity, pH, and surface coating/charge have also been described in detail. The review also sheds light on antimicrobial photodynamic therapy and the role of AgNPs versus Ag+ ions release in bactericidal activities. In addition, different methods of synthesis of AgNPs have been discussed in brief.
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Affiliation(s)
- Neetu Tripathi
- Department of Chemistry, Guru Nanak Dev University, Amritsar, Punjab 143005, India
| | - Manoj Kumar Goshisht
- Department of Chemistry, Government Naveen College Tokapal, Bastar, Chhattisgarh 494442, India
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20
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Das G, Shin HS, Patra JK. Multitherapeutic Efficacy of Curly Kale Extract Fabricated Biogenic Silver Nanoparticles. Int J Nanomedicine 2022; 17:1125-1137. [PMID: 35313460 PMCID: PMC8934171 DOI: 10.2147/ijn.s308478] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 06/25/2021] [Indexed: 01/02/2023] Open
Abstract
Purpose Due to the biomedical applications universally, the Ag nanoparticles are one of the most commonly investigated nanoparticles (NPs). Curly kale (BroL) leaves contain numerous beneficial nutrients and phytochemicals. The aim of the current study is the fabrication of the Ag nanoparticles using the extracts of curly kale and to investigate their biological potentials. Methods The characterization of the generated BroLAgNPs was done through UV-Vis spectro study, Fourier-transform infrared spectro study, scanning electron microscope analysis, energy-dispersive X-ray study, distribution of size and zeta potential investigation, and X-ray powder diffraction study, and their biological effects were evaluated by antidiabetic, antioxidant, antibacterial and cytotoxicity effect. Results BroL-Ag nanoparticle displayed surface plasmon resonance at 432 nm. The Zeta potential of BroL (-26.6) AgNPs displayed a highly negative charge. In antidiabetic assay, BroL-AgNPs was highly effective with IC50 value 2.29 µg/mL at 1.0 µg/mL concentration. In cytotoxicity assay, BroL-AgNPs displayed strong activity at 10.0 µg/mL concentration. It showed inhibitory action against three food-borne pathogenic bacteria (9.29-11.44 mm inhibition zone) and displayed moderate antioxidant potential. Conclusion This study as a whole report an eco-friendly green synthesis of AgNPs using leafy vegetable aqueous extract and its multi-biological effects which could serve as a promising candidate in pharmacological and related industries.
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Affiliation(s)
- Gitishree Das
- Research Institute of Biotechnology & Medical Converged Science, Dongguk University-Seoul, Gyeonggi-do, Republic of Korea
- Research Institute of Integrative Life Sciences, Dongguk University-Seoul, Gyeonggi-do, Republic of Korea
| | - Han-Seung Shin
- Department of Food Science and Biotechnology, Dongguk University‐Seoul, Gyeonggi‐do, Republic of Korea
| | - Jayanta Kumar Patra
- Research Institute of Biotechnology & Medical Converged Science, Dongguk University-Seoul, Gyeonggi-do, Republic of Korea
- Research Institute of Integrative Life Sciences, Dongguk University-Seoul, Gyeonggi-do, Republic of Korea
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21
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Talank N, Morad H, Barabadi H, Mojab F, Amidi S, Kobarfard F, Mahjoub MA, Jounaki K, Mohammadi N, Salehi G, Ashrafizadeh M, Mostafavi E. Bioengineering of green-synthesized silver nanoparticles: In vitro physicochemical, antibacterial, biofilm inhibitory, anticoagulant, and antioxidant performance. Talanta 2022; 243:123374. [DOI: 10.1016/j.talanta.2022.123374] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 03/07/2022] [Accepted: 03/08/2022] [Indexed: 02/01/2023]
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22
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Khalil MA, El-Shanshoury AERR, Alghamdi MA, Alsalmi FA, Mohamed SF, Sun J, Ali SS. Biosynthesis of Silver Nanoparticles by Marine Actinobacterium Nocardiopsis dassonvillei and Exploring Their Therapeutic Potentials. Front Microbiol 2022; 12:705673. [PMID: 35211096 PMCID: PMC8862148 DOI: 10.3389/fmicb.2021.705673] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Accepted: 12/08/2021] [Indexed: 12/30/2022] Open
Abstract
Nanoparticles have recently emerged as a popular research topic. Because of their potential applications in therapeutic applications, biosynthesized silver nanoparticles (Bio-AgNPs) have gained much attention in recent years. Cell-free extracts (CFE) from a marine culture of actinobacteria and silver nitrate were used to reduce Ag+ ions and create Bio-AgNPs. Nocardiopsis dasonvillei KY772427, a new silver-tolerant actinomycete strain, was isolated from marine water and used to synthesize AgNPs. In order to characterize Bio-AgNPs, UV-Vis spectral analysis, Fourier transform infrared (FTIR), transmission electron microscopy (TEM), and dynamic light scattering spectroscopy (DLS) were all utilized. Using UV-Vis spectroscopy, a peak in the surface plasmon resonance (SPR) spectrum at 430 nm revealed the presence of Bio-AgNPs. The TEM revealed spherical AgNPs with a diameter of 29.28 nm. DLS determined that Bio-AgNPs have a diameter of 56.1 nm and a negative surface charge (-1.46 mV). The minimum inhibitory concentration (MIC) of Bio-AgNPs was determined against microbial strains. Using resazurin-based microtiter dilution, the synergistic effect of Bio-AgNPs with antimicrobials was investigated. Pseudomonas aeruginosa had the lowest MIC of Bio-AgNPs (4 μg/ml). Surprisingly, the combination of antimicrobials and Bio-AgNPs had a significant synergistic effect on the tested strains. The insecticidal activity of Bio-AgNPs (200 μg/ml) against Macrosiphum rosae was found to be maximal after 36 h. Additionally, Bio-AgNPs demonstrated significant scavenging activity against 2,2'-diphenyl-1-picrylhydrazyl (DPPH) and hydroxyl (OH - ) radicals, with IC 50 values of 4.08 and 8.9 g/ml, respectively. In vitro studies using the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT) assay revealed a concentration-dependent decrease in cell viability when CaCo2 cells were exposed to Bio-AgNPs. With the decrease in cell viability, lactate dehydrogenase leakage (LDH) increased. The findings of this study open up a new avenue for the use of marine Nocardiopsis dasonvillei to produce Bio-AgNPs, which have significant antimicrobial, antioxidant, insecticidal, and anticancer potential.
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Affiliation(s)
- Maha A. Khalil
- Biology Department, College of Science, Taif University, Taif 21944, Saudi Arabia
- Botany and Microbiology Department, Faculty of Science, Tanta University, Tanta 31527, Egypt
| | | | - Maha A. Alghamdi
- Department of Biotechnology, College of Science, Taif University, Taif 21974, Saudi Arabia
- Department of Molecular Medicine, Princess Al-Jawhara Centre for Molecular Medicine, School of Medicine and Medical Sciences Arabian Gulf University, Manama 329, Bahrain
| | - Fatin A. Alsalmi
- Biology Department, College of Science, Taif University, Taif 21944, Saudi Arabia
| | - Samia F. Mohamed
- Pharmacology and Toxicology Unit, Department of Biochemistry, Animal Health Institute, Giza, Egypt
| | - Jianzhong Sun
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Sameh S. Ali
- Botany and Microbiology Department, Faculty of Science, Tanta University, Tanta 31527, Egypt
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China
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Bakr MM, Al-Ankily MM, Shogaa SM, Shamel M. Attenuating Effect of Vitamin E against Silver Nano Particles Toxicity in Submandibular Salivary Glands. Bioengineering (Basel) 2021; 8:219. [PMID: 34940372 PMCID: PMC8698723 DOI: 10.3390/bioengineering8120219] [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: 11/03/2021] [Revised: 11/29/2021] [Accepted: 12/14/2021] [Indexed: 11/17/2022] Open
Abstract
Silver nanoparticles (AgNPs) are extensively used in many industries due to their superior antimicrobial properties. However, it is evident from many studies that AgNPs has cytotoxic potential through its effect on excessive formation of reactive oxygen species (ROS). The aim of this study was to examine the toxic effect of AgNPs on the submandibular salivary glands and the attenuating effect of vitamin E, as a natural antioxidant, against this toxicity. Thirty Albino rats were divided into 3 groups (n = 10): control group, AgNPs group receiving 2 mg/kg daily for 28 days, and AgNPs and vitamin E group receiving AgNPs the same as the previous group in addition to vitamin E at a dose of 100 mg/kg. Microscopic, ultrastructural, and cytokeratin immune-reactivity examination of the glands were performed. The AgNPs group showed noticeable degeneration in all structures of the gland as evident in the histological and ultrastructural examination. The AgNPs and vitamin E group revealed an improvement of the glandular elements. A significant increase in cytokeratin immune expression was found after comparison of both groups (p = 0.01). This current study shows that vitamin E has powerful antioxidant properties, which can combat the cytotoxic effect caused by AgNPs. Further studies are deemed necessary to confirm this finding using other immunohistochemical markers, such as myosin and E-cadherin.
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Affiliation(s)
- Mahmoud M. Bakr
- School of Medicine and Dentistry, Griffith University, Gold Coast, QLD 4215, Australia
| | - Mahmoud M. Al-Ankily
- Faculty of Dentistry, The British University in Egypt, Cairo 11837, Egypt; (M.M.A.-A.); (S.M.S.); (M.S.)
| | - Sara M. Shogaa
- Faculty of Dentistry, The British University in Egypt, Cairo 11837, Egypt; (M.M.A.-A.); (S.M.S.); (M.S.)
| | - Mohamed Shamel
- Faculty of Dentistry, The British University in Egypt, Cairo 11837, Egypt; (M.M.A.-A.); (S.M.S.); (M.S.)
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Rai M, Ingle AP, Trzcińska-Wencel J, Wypij M, Bonde S, Yadav A, Kratošová G, Golińska P. Biogenic Silver Nanoparticles: What We Know and What Do We Need to Know? NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:2901. [PMID: 34835665 PMCID: PMC8624974 DOI: 10.3390/nano11112901] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 10/15/2021] [Accepted: 10/27/2021] [Indexed: 12/20/2022]
Abstract
Nanobiotechnology is considered to be one of the fastest emerging fields. It is still a relatively new and exciting area of research with considerable potential for development. Among the inorganic nanomaterials, biogenically synthesized silver nanoparticles (bio-AgNPs) have been frequently used due to their unique physicochemical properties that result not only from their shape and size but also from surface coatings of natural origin. These properties determine antibacterial, antifungal, antiprotozoal, anticancer, anti-inflammatory, and many more activities of bio-AgNPs. This review provides the current state of knowledge on the methods and mechanisms of biogenic synthesis of silver nanoparticles as well as their potential applications in different fields such as medicine, food, agriculture, and industries.
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Affiliation(s)
- Mahendra Rai
- Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University in Toruń, Lwowska 1, 87-100 Toruń, Poland; (J.T.-W.); (M.W.)
- Department of Biotechnology, Sant Gadge Baba Amravati University, Amravati 444602, India; (S.B.); (A.Y.)
| | - Avinash P. Ingle
- Biotechnology Centre, Department of Agricultural Botany, Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola 444104, India;
| | - Joanna Trzcińska-Wencel
- Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University in Toruń, Lwowska 1, 87-100 Toruń, Poland; (J.T.-W.); (M.W.)
| | - Magdalena Wypij
- Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University in Toruń, Lwowska 1, 87-100 Toruń, Poland; (J.T.-W.); (M.W.)
| | - Shital Bonde
- Department of Biotechnology, Sant Gadge Baba Amravati University, Amravati 444602, India; (S.B.); (A.Y.)
| | - Alka Yadav
- Department of Biotechnology, Sant Gadge Baba Amravati University, Amravati 444602, India; (S.B.); (A.Y.)
| | - Gabriela Kratošová
- Nanotechnology Centre, CEET, VŠB–Technical University of Ostrava, 17. listopadu 2172/15, 708 00 Ostrava Poruba, Czech Republic;
| | - Patrycja Golińska
- Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University in Toruń, Lwowska 1, 87-100 Toruń, Poland; (J.T.-W.); (M.W.)
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Moradi-Pour M, Saberi-Riseh R, Esmaeilzadeh-Salestani K, Mohammadinejad R, Loit E. Evaluation of Bacillus velezensis for Biological Control of Rhizoctonia solani in Bean by Alginate/Gelatin Encapsulation Supplemented with Nanoparticles. J Microbiol Biotechnol 2021; 31:1373-1382. [PMID: 34409947 PMCID: PMC9705934 DOI: 10.4014/jmb.2105.05001] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 08/10/2021] [Accepted: 08/10/2021] [Indexed: 12/15/2022]
Abstract
Plant growth promoting rhizobacteria (PGPR) are a group of bacteria that can increase plant growth; but due to unfavorable environmental conditions, PGPR are biologically unstable and their survival rates in soil are limited. Therefore, the suitable application of PGPR as a plant growth stimulation is one of the significant challenges in agriculture. This study presents an intelligent formulation based on Bacillus velezensis VRU1 encapsulation enriched with nanoparticles that was able to control Rhizoctonia solani on the bean. The spherical structure of the capsule was observed based on the Scanning Electron Microscope image. Results indicated that with increasing gelatin concentration, the swelling ratio and moisture content were increased; and since the highest encapsulation efficiency and bacterial release were observed at a gelatin concentration of 1.5%, this concentration was considered in mixture with alginate for encapsulation. The application of this formulation which is based on encapsulation and nanotechnology appears to be a promising technique to deliver PGPR in soil and is more effective for plants.
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Affiliation(s)
- Mojde Moradi-Pour
- Department of Plant Protection, Faculty of Agriculture, Vali-e-Asr University of Rafsanjan, Rafsanjan 7718897111, Iran
| | - Roohallah Saberi-Riseh
- Department of Plant Protection, Faculty of Agriculture, Vali-e-Asr University of Rafsanjan, Rafsanjan 7718897111, Iran,Corresponding authors R. Saberi-Riseh E-mail: Phone: +98-9131932624 Fax: +98-3431312041
| | - Keyvan Esmaeilzadeh-Salestani
- Chair of Crop Science and Plant Biology, Institute of Agriculture and Environmental Sciences, Estonian University of Life Sciences, Fr. R. Kreutzwaldi 1, EE51014 Tartu, Estonia
| | - Reza Mohammadinejad
- Research Center of Tropical and Infectious Diseases, Kerman University of Medical Sciences, Kerman 7618866749, Iran
| | - Evelin Loit
- Chair of Crop Science and Plant Biology, Institute of Agriculture and Environmental Sciences, Estonian University of Life Sciences, Fr. R. Kreutzwaldi 1, EE51014 Tartu, Estonia,
E. Loit Phone: +37259125549 E-mail:
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Shepida M, Kuntyi O, Sukhatskiy Y, Mazur A, Sozanskyi M. Microplasma Synthesis of Antibacterial Active Silver Nanoparticles in Sodium Polyacrylate Solutions. Bioinorg Chem Appl 2021; 2021:4465363. [PMID: 34712314 PMCID: PMC8548128 DOI: 10.1155/2021/4465363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Accepted: 10/04/2021] [Indexed: 11/17/2022] Open
Abstract
The great demand for functional, particularly biologically active, metal nanoparticles has led to the search for technologically effective, green, and controlled methods of synthesizing these metal nanoparticles. Plasma glow discharge is one of the most promising techniques in this direction. The results of studies based on the synthesis of colloidal solutions of stabilized silver nanoparticles (AgNPs) by the microplasma method in solutions of a nontoxic surfactant sodium polyacrylate (NaPA) are presented. It is shown that AgNPs with a size of 2-20 nm are formed in solutions of 0.05-0.2 mmol·L-1 AgNO3 + 5 g·L-1 NaPA at U = 250 V by tungsten cathode plasma glow discharge. At 20°C, the yellow solutions are formed with λ max ≈ 410 nm, which are stable during long-term storage. It was found that the process of AgNPs formation corresponds to a first-order reaction on the AgNO3 concentration. Its value has little effect on the geometry of nanoparticles, so the Ag(I) concentration in solution is one of the main factors influencing the rate of microplasma synthesis of AgNPs. The antimicrobial activity of synthesized AgNPs solutions against strains of Escherichia coli, Staphylococcus aureus, and Candida albicans was established.
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Affiliation(s)
| | - Orest Kuntyi
- Lviv Polytechnic National University, Lviv 79013, Ukraine
| | | | - Artur Mazur
- Lviv Polytechnic National University, Lviv 79013, Ukraine
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Nawabjohn MS, Sivaprakasam P, Anandasadagopan SK, Begum AA, Pandurangan AK. Green Synthesis and Characterisation of Silver Nanoparticles Using Cassia tora Seed Extract and Investigation of Antibacterial Potential. Appl Biochem Biotechnol 2021; 194:464-478. [PMID: 34611854 DOI: 10.1007/s12010-021-03651-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Accepted: 09/03/2021] [Indexed: 11/29/2022]
Abstract
Nanoparticle research is fascinating and getting hold of consequences due to the wide variety of applications in the biomedical field. Green synthesis of nanoparticles is a cost-effective and eco-friendly approach. It can be synthesised using fungi, algae, plant, yeast, bacteria, microbial enzymes etc. Our current research study focuses on the green synthesis of silver nanoparticles using seed extract of Cassia tora. The colour change from yellow to red colour confirms the formation of silver nanoparticles. The synthesised silver nanoparticles were characterised by Ultraviolet-Visible spectroscopy, Fourier-transform infrared (FTIR), X-ray diffraction analysis (XRD), Scanning Electron Microscopy (SEM) and antibacterial efficacy against three different strains were analysed. The surface plasmon resonance of synthesised AgNPs using Cassia tora seed extract shows maximum absorption peak at 423 nm in UV-visible spectroscopy. X-ray diffraction displays the crystalline nature of synthesised AgNPs and they exhibited four distinct peaks at 36.69°, 42.92°, 63.27° and 76.46°. The particle size of synthesised AgNPs observed through SEM was found to be 55.80 nm, 58.97 nm, 61.06 nm, 63.26 nm and 64.80 nm. S.aureus exhibited maximum zone of inhibition of 12 mm and 13 mm when treated with 25 and 50 μl of the synthesised nanoparticles. Thus, the green synthesised silver nanoparticle using Cassia tora seed extract proved to possess strong anti-bacterial activity.
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Affiliation(s)
- Mohamed Suhail Nawabjohn
- School of Life Sciences, B.S Abdur Rahman Crescent Institute of Science and Technology, Vandalur, Chennai, 600048, Tamil Nadu, India
| | - Prathibha Sivaprakasam
- School of Life Sciences, B.S Abdur Rahman Crescent Institute of Science and Technology, Vandalur, Chennai, 600048, Tamil Nadu, India
| | - Suresh Kumar Anandasadagopan
- Department of Biochemistry and Biotechnology Laboratory, CSIR-Central Leather Research Institute, Adayar, Chennai, 25, Tamil Nadu, India
| | - A Adeela Begum
- Department of Chemistry, Islamiah College (Autonomous) (affiliated to Thiruvalluvar university, serkkadu, vellore , 632115, Tamil Nadu), Vaniyambadi, Tamil Nadu, India
| | - Ashok Kumar Pandurangan
- School of Life Sciences, B.S Abdur Rahman Crescent Institute of Science and Technology, Vandalur, Chennai, 600048, Tamil Nadu, India.
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Elsawy S, Elsherif WM, Hamed R. Effect of silver nanoparticles on vancomycin resistant Staphylococcus aureus infection in critically ill patients. Pathog Glob Health 2021; 115:315-324. [PMID: 33872131 PMCID: PMC8547882 DOI: 10.1080/20477724.2021.1914412] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Abstract
A prevalent increase in antimicrobial resistance represents a universal obstacle for the treatment of Staphylococcus aureus (S. aureus) infection, especially in critically ill patients. Silver nanoparticles are defined as broad spectrum bactericidal agents, which might be effective against vancomycin resistant S. aureus (VRSA). In this study, we examined the bactericidal efficacy of silver nanoparticles on VRSA in 150 blood and sputum samples isolated from intensive care patients. Methicillin resistant S. aureus (MRSA) isolates were identified in 83 samples, with an incidence of 55.3%. Meanwhile, VRSA isolates were found in 11 and 8 isolates (a total of 19 isolates out of 150) from sputum and blood samples, with an incidence of 14.67% and 10.67%, respectively, with a total incidence of 12.67%. Vancomycin intermediate S. aureus (VISA) isolates had an inhibitory zone ranging from 9 to 13 mm, which was found in 13 out of 19 isolates, whereas VRSA isolates had an inhibitory zone ranging from 0 to 6 mm, which was detected in 6 out of 19 isolates. The findings of this study confirm that silver nanoparticles are an effective treatment against VRSA.
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Affiliation(s)
- Saeid Elsawy
- Anaesthesia and Intensive Care Department, Faculty of Medicine, Assiut University, Assiut, Egypt
| | - Walaa M. Elsherif
- Microbiology Department, Nanotechnology Unit, Animal Health Research Institute, Taipei, Egypt
| | - Rasha Hamed
- Anaesthesia and Intensive Care Department, Faculty of Medicine, Assiut University, Assiut, Egypt
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29
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Wahab S, Khan T, Adil M, Khan A. Mechanistic aspects of plant-based silver nanoparticles against multi-drug resistant bacteria. Heliyon 2021; 7:e07448. [PMID: 34286126 PMCID: PMC8273360 DOI: 10.1016/j.heliyon.2021.e07448] [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: 03/11/2021] [Revised: 06/05/2021] [Accepted: 06/28/2021] [Indexed: 12/23/2022] Open
Abstract
Resistance among pathogenic bacteria to the existing antibiotics is one of the most alarming problems of the modern world. Alongwith reducing the use of antibiotics, and antibiotic stewardship, an alternative to antibiotics is much needed in the current scenario to combact infectious diseases. One alternative is to produce nanomaterials, especially, silver nanoparticles (AgNPs) against antibiotic-resistant bacteria. AgNPs are the most vital and fascinating nanoparticles because of their unique structural and functional properties and application against pathogenic bacteria. However, the synthesis of AgNPs remains a problem because of the chemicals and energy requirements and the byproducts of the reactions. Concerns have been raised about using chemically and physically synthesized nanoparticles because of their potential risks to the human body, animals, and environment. Green synthesis of these nanoparticles is a better alternative to physical and chemical approaches. Plant-based synthesis in turn is a method which can provide AgNPs that are cost-effective and eco-friendly as well as biocompatible. The specific features of size, morphology and shape of plant-based AgNPs give them the potency to fight multi-drug resistant bacteria. A detailed look into mechanistic aspects of the action of AgNPs against resistant bacteria with a focus on characteristic properties of AgNPs is required. This review discusses in detail these aspects and the potential of plant-based AgNPs as a solution to antibiotic resistance.
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Affiliation(s)
- Shahid Wahab
- Department of Biotechnology, University of Malakand, Chakdara Dir Lower, Pakistan
| | - Tariq Khan
- Department of Biotechnology, University of Malakand, Chakdara Dir Lower, Pakistan
| | - Muhammad Adil
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Centre for Nanoscience and Technology (NCNST), China
| | - Ajmal Khan
- Department of Biology, University of North Carolina at Greensboro, NC, United States
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Hassanien AA, Abdel-Aziz NM. Prevalence of antimicrobial-resistant Streptococcus species among respiratory patients and meat products, and antibacterial effects of oregano oil nanoemulsion. INTERNATIONAL JOURNAL OF ONE HEALTH 2021. [DOI: 10.14202/ijoh.2021.135-141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Background and Aim: Antimicrobial-resistant Streptococcus species causes several diseases in humans with infection recurrence in some cases. Handling of food under unhygienic conditions resulted in transmission of pathogens to food leading to risks for consumers' health. This work studies the possible role of humans in transmission of human pathogens to food products. In this study, we focused on the presence of antimicrobial resistance Streptococcus pyogenes, Streptococcus mitis, and Streptococcus pneumoniae found in respiratory patients and in some meat products. We detected the risk factors for patient's infection and examined the antibacterial effect of oregano oil nanoemulsion (ONE) at different concentrations against the multi-drug resistance strains of streptococci.
Materials and Methods: Microbiological culture and polymerase chain reaction were used to identify S. pyogenes, S. mitis, and S. pneumoniae in 120 throat swab samples and 200 meat products. The disk diffusion method was used for investigating the prevalence of resistance against 10 antimicrobials that are commonly used in the treatment of humans and animals. ONE at four concentrations (0.5%, 1.0%, 2.0%, and 3.0%) with an average particle size of 45.4 nm was identified using transmission electron microscopy. The effect of ONE on Streptococcus species isolates was examined using the well diffusion method. Risk factors for human infection were detected using statistical analysis.
Results: S. pyogenes, S. mitis, and S. pneumoniae were detected in 14 (11.7%), 9 (7.5%), and 7 (5.8%), respectively, of 120 throat swabs of patients. These bacteria were also detected in 11 (5.5%), 8 (4%), and 6 (3%), respectively, of 200 meat products samples. Beef luncheon had the highest infection rate for the three species of streptococci. The majority of these isolates showed resistance to antimicrobials such as tetracycline and amoxicillin/clavulanic acid. ONE had an inhibitory effect on the growth of S. pyogenes, S. mitis, and S. pneumoniae, and its effect was significantly increased at a high concentration (3%), with a mean inhibition zone of 36.45±0.302 mm. Very young and old patients, those with chronic diseases, and those exposed to the infection several times were most susceptible to infection.
Conclusion: ONE may be used as a therapeutic agent at safe and specific doses, and also in the food industry, to prevent the spoilage of food and protect human health.
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Affiliation(s)
- Alshimaa A. Hassanien
- Department of Zoonoses, Faculty of Veterinary Medicine, Sohag University, Sohag, Egypt
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Ediyilyam S, George B, Shankar SS, Dennis TT, Wacławek S, Černík M, Padil VVT. Chitosan/Gelatin/Silver Nanoparticles Composites Films for Biodegradable Food Packaging Applications. Polymers (Basel) 2021; 13:polym13111680. [PMID: 34064040 PMCID: PMC8196760 DOI: 10.3390/polym13111680] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 05/15/2021] [Accepted: 05/17/2021] [Indexed: 11/16/2022] Open
Abstract
The food packaging industry explores economically viable, environmentally benign, and non-toxic packaging materials. Biopolymers, including chitosan (CH) and gelatin (GE), are considered a leading replacement for plastic packaging materials, with preferred packaging functionality and biodegradability. CH, GE, and different proportions of silver nanoparticles (AgNPs) are used to prepare novel packaging materials using a simple solution casting method. The functional and morphological characterization of the prepared films was carried out by using Fourier transform infrared spectroscopy (FTIR), UV–Visible spectroscopy, and scanning electron microscopy (SEM). The mechanical strength, solubility, water vapor transmission rate, swelling behavior, moisture retention capability, and biodegradability of composite films were evaluated. The addition of AgNPs to the polymer blend matrix improves the physicochemical and biological functioning of the matrix. Due to the cross-linking motion of AgNPs, it is found that the swelling degree, moisture retention capability, and water vapor transmission rate slightly decrease. The tensile strength of pure CH–GE films was 24.4 ± 0.03, and it increased to 25.8 ± 0.05 MPa upon the addition of 0.0075% of AgNPs. The real-time application of the films was tested by evaluating the shelf-life existence of carrot pieces covered with the composite films. The composite film containing AgNPs becomes effective in lowering bacterial contamination while comparing the plastic polyethylene films. In principle, the synthesized composite films possessed all the ideal characteristics of packaging material and were considered biodegradable and biocompatible food packaging material and an alternate option for petroleum-based plastics.
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Affiliation(s)
- Sreelekha Ediyilyam
- Department of Chemistry, School of Physical Sciences, Central University of Kerala, Kasaragod 671316, Kerala, India;
| | - Bini George
- Department of Chemistry, School of Physical Sciences, Central University of Kerala, Kasaragod 671316, Kerala, India;
- Correspondence: (B.G.); (S.S.S.); (M.Č.); (V.V.T.P.)
| | - Sarojini Sharath Shankar
- Department of Biochemistry and Molecular Biology, School of Biological Sciences, Central University of Kerala, Kasaragod 671316, Kerala, India
- Department of Medicine, Thomas Jefferson University, Jefferson Alumni Hall, 1020 Locust Street, Philadelphia, PA 19107, USA
- Correspondence: (B.G.); (S.S.S.); (M.Č.); (V.V.T.P.)
| | - Thomas Thuruthiyil Dennis
- Department of Plant Science, School of Biological Sciences, Central University of Kerala, Kasaragod 671316, Kerala, India;
| | - Stanisław Wacławek
- Department of Nanomaterials in Natural Sciences, Institute for Nanomaterials, Advanced Technologies and Innovation (CXI), Technical University of Liberec (TUL), Studentská 1402/2, 461 17 Liberec 1, Czech Republic;
| | - Miroslav Černík
- Department of Nanomaterials in Natural Sciences, Institute for Nanomaterials, Advanced Technologies and Innovation (CXI), Technical University of Liberec (TUL), Studentská 1402/2, 461 17 Liberec 1, Czech Republic;
- Correspondence: (B.G.); (S.S.S.); (M.Č.); (V.V.T.P.)
| | - Vinod V. T. Padil
- Department of Nanomaterials in Natural Sciences, Institute for Nanomaterials, Advanced Technologies and Innovation (CXI), Technical University of Liberec (TUL), Studentská 1402/2, 461 17 Liberec 1, Czech Republic;
- Correspondence: (B.G.); (S.S.S.); (M.Č.); (V.V.T.P.)
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Chiu HI, Che Mood CNA, Mohamad Zain NN, Ramachandran MR, Yahaya N, Nik Mohamed Kamal NNS, Tung WH, Yong YK, Lee CK, Lim V. Biogenic Silver Nanoparticles of Clinacanthus nutans as Antioxidant with Antimicrobial and Cytotoxic Effects. Bioinorg Chem Appl 2021; 2021:9920890. [PMID: 34093698 PMCID: PMC8140852 DOI: 10.1155/2021/9920890] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 04/21/2021] [Accepted: 05/03/2021] [Indexed: 11/21/2022] Open
Abstract
Silver nanoparticles (AgNPs) previously synthesised using leaf (AgNP-L) and stem (AgNP-S) extracts of Clinacanthus nutans (C. nutans) were tested to evaluate antimicrobial, antioxidant, and cytotoxicity activities. The AgNPs showed good inhibition against bacteria, but not fungi. The inhibition results showed the highest activity against Staphylococcus aureus (S. aureus) with 11.35 mm (AgNP-L) and 11.52 mm (AgNP-S), while the lowest inhibition was against Escherichia coli (E. coli) with 9.22 mm (AgNP-L) and 9.25 mm (AgNP-S) in the disc diffusion method. The same trend of results was noted in the well diffusion method. The IC50 of AgNP-L and AgNP-S in 2,2-diphenyl-1-picrylhydrazyl (DPPH) and 2,2'-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) assays was 417.05 μg/mL and 434.60 μg/mL, as well as 304.31 μg/mL and 326.83 μg/mL, respectively. Ferric reducing power (FRAP) assay showed that AgNP-L [872.389 μmol/L Fe(II)] and AgNP-S [612.770 μmol/L Fe(II)] exhibited significantly (p < 0.05) greater antioxidant activities than leaf extract (CNL) [152.260 μmol/L Fe(II)] and stem extract (CNS) [110.445 μmol/L Fe(II)] of C. nutans. The AgNPs were also proven to possess cytotoxic effects on the breast (MCF-7), cervical (HeLa), and colon (HT-29) cancer cells in a dose-dependent manner. AgNP-S and AgNP-L showed significantly (p < 0.05) higher cytotoxicity against MCF-7 (117.43 μg/mL) and HT-29 (78.47 μg/mL), respectively. In conclusion, the biosynthesised AgNPs from aqueous extract leaves and stem of C. nutans have demonstrated promising potential towards antioxidant, antimicrobial, and cytotoxicity activities.
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Affiliation(s)
- Hock Ing Chiu
- Integrative Medicine Cluster, Advanced Medical and Dental Institute, Universiti Sains Malaysia, Bertam, 13200 Kepala Batas, Penang, Malaysia
| | - Che Nurul Azieyan Che Mood
- Integrative Medicine Cluster, Advanced Medical and Dental Institute, Universiti Sains Malaysia, Bertam, 13200 Kepala Batas, Penang, Malaysia
| | - Nur Nadhirah Mohamad Zain
- Integrative Medicine Cluster, Advanced Medical and Dental Institute, Universiti Sains Malaysia, Bertam, 13200 Kepala Batas, Penang, Malaysia
| | | | - Noorfatimah Yahaya
- Integrative Medicine Cluster, Advanced Medical and Dental Institute, Universiti Sains Malaysia, Bertam, 13200 Kepala Batas, Penang, Malaysia
| | - Nik Nur Syazni Nik Mohamed Kamal
- Integrative Medicine Cluster, Advanced Medical and Dental Institute, Universiti Sains Malaysia, Bertam, 13200 Kepala Batas, Penang, Malaysia
| | - Wai Hau Tung
- School of Pharmacy, University of Nottingham Malaysia, Jalan Broga, Semenyih 43500, Malaysia
| | - Yoke Keong Yong
- Department of Human Anatomy, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
| | - Chee Keong Lee
- Bioprocess Technology Division, School of Industrial Technology, Universiti Sains Malaysia, Gelugor, 11800 Penang, Malaysia
| | - Vuanghao Lim
- Integrative Medicine Cluster, Advanced Medical and Dental Institute, Universiti Sains Malaysia, Bertam, 13200 Kepala Batas, Penang, Malaysia
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TiO2-Graphene Quantum Dots Nanocomposites for Photocatalysis in Energy and Biomedical Applications. Catalysts 2021. [DOI: 10.3390/catal11030319] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
The focus of current research in material science has shifted from “less efficient” single-component nanomaterials to the superior-performance, next-generation, multifunctional nanocomposites. TiO2 is a widely used benchmark photocatalyst with unique physicochemical properties. However, the large bandgap and massive recombination of photogenerated charge carriers limit its overall photocatalytic efficiency. When TiO2 nanoparticles are modified with graphene quantum dots (GQDs), some significant improvements can be achieved in terms of (i) broadening the light absorption wavelengths, (ii) design of active reaction sites, and (iii) control of the electron-hole (e−-h+) recombination. Accordingly, TiO2-GQDs nanocomposites exhibit promising multifunctionalities in a wide range of fields including, but not limited to, energy, biomedical aids, electronics, and flexible wearable sensors. This review presents some important aspects of TiO2-GQDs nanocomposites as photocatalysts in energy and biomedical applications. These include: (1) structural formulations and synthesis methods of TiO2-GQDs nanocomposites; (2) discourse about the mechanism behind the overall higher photoactivities of these nanocomposites; (3) various characterization techniques which can be used to judge the photocatalytic performance of these nanocomposites, and (4) the application of these nanocomposites in biomedical and energy conversion devices. Although some objectives have been achieved, new challenges still exist and hinder the widespread application of these nanocomposites. These challenges are briefly discussed in the Future Scope section of this review.
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Antibacterial efficacy of facile cyanobacterial silver nanoparticles inferred by antioxidant mechanism. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 122:111888. [PMID: 33641896 DOI: 10.1016/j.msec.2021.111888] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Revised: 01/09/2021] [Accepted: 01/11/2021] [Indexed: 01/13/2023]
Abstract
Nanoparticles (NPs) have gained importance in technological advances owing to their user friendly enhanced and efficient physical, chemical, and biological characteristics compared to their bulk counterparts. Biological synthesis of NPs by using a microorganism, enzymes, or plant extracts offers a greener and eco-friendly approach besides many advantages over physical or chemical approaches. This study reports the biosynthesis of silver nanoparticles (AgNPs) using Nostoc muscorum NCCU 442 aqueous extract as the reducing and capping agent for AgNPs synthesis. The synthesized nanoparticles were characterized by UV-VIS spectrum, SEM, EDS, TEM, AFM, DLS and XRD. Results showed distinguishing polycrystalline nature of synthesized AgNPs with surface plasmon significant band in the size range of 6-45nm with average 30 size nm. FT-IR study revealed the role of secondary metabolites present in aqueous extract for the synthesis of AgNPs. Biological activities of purified AgNPs as antioxidant and antibacterial potential showed the highest antibacterial activity against Staphylococcus aureus MTCC 902.
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Mohamed HI, Abd-Elsalam KA, Tmam AM, Sofy MR. Silver-based nanomaterials for plant diseases management: Today and future perspectives. SILVER NANOMATERIALS FOR AGRI-FOOD APPLICATIONS 2021:495-526. [DOI: 10.1016/b978-0-12-823528-7.00031-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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Hashem NM, Hosny AEDM, Abdelrahman AA, Zakeer S. Antimicrobial activities encountered by sulfur nanoparticles combating Staphylococcal species harboring scc mecA recovered from acne vulgaris. AIMS Microbiol 2021; 7:481-498. [PMID: 35071944 PMCID: PMC8712535 DOI: 10.3934/microbiol.2021029] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Accepted: 11/22/2021] [Indexed: 11/18/2022] Open
Abstract
Over decades, sulfur has been employed for treatment of many dermatological diseases, several skin and soft tissue, and Staphylococcus infections. Because of its abuse, resistant bacterial strains have emerged. Nanotechnology has presented a new horizon to overcome abundant problems including drug resistance. Nano-sized sulfur has proven to retain bactericidal activity. Consequently, the specific aims of this study are exclusively directed to produce various sulfur nanoparticles formulations with control of particle size and morphology and investigate the antibacterial activity response specifically classified by the category of responses of different formulations, for the treatment of acne vulgaris resistant to conventional antibiotics. In this study, we produced uncoated sulfur nanoparticles (SNPs), sulfur nano-composite with chitosan (CS-SNPs), and sulfur nanoparticles coated with polyethylene glycol (PEG-SNPs) and evaluate their bactericidal impact against Staphylococcus aureus and Staphylococcus epidermidis isolated from 173 patients clinically diagnosed acne vulgaris. Accompanied with molecular investigations of ermB and mecA resistance genes distribution among the isolates. Sulfur nanoparticles were synthesized using acid precipitation method and were characterized by scanning electron microscope (SEM), transmission electron microscopy (TEM), energy dispersed x-ray spectroscopy (EDX), and Fourier transform infrared spectroscopy (FTIR). Moreover, agar diffusion and broth micro-dilution methods were applied to determine their antibacterial activity and their minimum inhibitory concentration. PCR analysis for virulence factors detection. Results: TEM analysis showed particle size of SNPs (11.7 nm), PEG-SNPs (27 nm) and CS-SNPs (33 nm). Significant antibacterial activity from nanoparticles formulations in 100% dimethyl sulfoxide (DMSO) with inhibition zone 30 mm and MIC at 5.5 µg/mL. Furthermore, the prevalence of mecA gene was the most abundant among the isolates while ermB gene was infrequent. Conclusions: sulfur nanoparticles preparations are an effective treatment for most Staphylococcus bacteria causing acne vulgaris harboring multi-drug resistance virulence factors.
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Affiliation(s)
- Noha M. Hashem
- Ministry of Health, Cairo, Egypt
- * Correspondence: ; Tel: +201003019064
| | - Alaa El-Din M.S. Hosny
- Department of Microbiology and Immunology, Faculty of Pharmacy, Cairo University
- Department of Microbiology and Immunology, Faculty of Pharmacy, MTI University, Egypt
| | - Ali A. Abdelrahman
- Department of Microbiology and Immunology, Faculty of Pharmacy, Suez Canal University, Egypt
| | - Samira Zakeer
- Department of Microbiology and Immunology, Faculty of Pharmacy, Suez Canal University, Egypt
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Wang Y, Zhang G. The preparation of modified nano-starch and its application in food industry. Food Res Int 2020; 140:110009. [PMID: 33648241 DOI: 10.1016/j.foodres.2020.110009] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Revised: 11/23/2020] [Accepted: 12/09/2020] [Indexed: 10/22/2022]
Abstract
Starch, which is a carbohydrate polymer with a semicrystalline granular structure, has been the subject of academic research for decades due to its renewable and biodegradable property as well as various applications in food, pharmaceutical and other industries. Nano-starch (NS) is a novel type of starch material with unique physiochemical properties due to its small size. However, the nano-size nature of NS determines its tendency to agglomeration as a natural process to approach a thermodynamically steady state, and the single hydroxyl functional group is also not favorable to its applications in hydrophobic environments. Thus, modified-NS with improved dispersion property, hydrophobicity, and stability is emerging as a new research direction. However, information about modified-NS is sporadic in literature, and a systematic review from its preparation, application, the problem and challenge as well as related health concerns is carried out to further the understanding of modified-NS. It is expected that the theoretical basis and new insight into the development of modified-NS will be improved.
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Affiliation(s)
- Yun Wang
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, People's Republic of China
| | - Genyi Zhang
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, People's Republic of China.
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Mikhailova EO. Silver Nanoparticles: Mechanism of Action and Probable Bio-Application. J Funct Biomater 2020; 11:E84. [PMID: 33255874 PMCID: PMC7711612 DOI: 10.3390/jfb11040084] [Citation(s) in RCA: 142] [Impact Index Per Article: 35.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Revised: 11/08/2020] [Accepted: 11/23/2020] [Indexed: 12/14/2022] Open
Abstract
This review is devoted to the medical application of silver nanoparticles produced as a result of "green" synthesis using various living organisms (bacteria, fungi, plants). The proposed mechanisms of AgNPs synthesis and the action mechanisms on target cells are highlighted.
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Affiliation(s)
- Ekaterina O Mikhailova
- Institute of innovation management, Kazan National Research Technological University, K. Marx Street 68, 420015 Kazan, Russia
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Huang H, Shan K, Liu J, Tao X, Periyasamy S, Durairaj S, Jiang Z, Jacob JA. Synthesis, optimization and characterization of silver nanoparticles using the catkin extract of Piper longum for bactericidal effect against food-borne pathogens via conventional and mathematical approaches. Bioorg Chem 2020; 103:104230. [PMID: 32916540 PMCID: PMC7449118 DOI: 10.1016/j.bioorg.2020.104230] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 08/03/2020] [Accepted: 08/08/2020] [Indexed: 02/06/2023]
Abstract
Inspired with an increasing environmental awareness, we performed an eco-friendly amenable process for the synthesis of silver nanoparticles (AgNPs) using the catkins of Piper longum as an alternative approach with the existing methods of using plant extracts. The fabrication of nanoparticles occurred within 10 min. This was initially observed by colour change of the solution. UV-visible spectroscopic studies (UV-Vis) were performed for further confirmation. The analysis elucidated that the surface plasmon resonance (SPR) was specifically corresponding to AgNPs. Fourier transform infrared spectrophotometry (FTIR) studies indicated that polyphenols could possibly be the encapsulating agents. The size and shape of the nanoparticles was analysed using Transmission electron microscopy (TEM). The nanoparticles were predominant spheres ranging between 10 and 42 nm at two different scales. The formation of elemental silver was confirmed further by X-ray photoelectron spectroscopy (XPS) and X-ray powder diffraction (XRD). GC-MS analysis was used to identify the possible encapsulates on the nanoparticles. The antibacterial effect of the biosynthesized AgNPs was tested against two gram-positive (Bacillus cereus and Staphylococcus aureus), and five gram-negative (Escherichia coli, Proteus mirabilis, Klebsiella pneumoniae, Pseudomonas aeruginosa and Salmonella typhi) bacteria. Outcomes of the study suggest that these pathogens were susceptible to the AgNPs. This is the first ever international report on correlating the antibacterial effect of silver nanoparticles using mathematical modelling with a conventional antimicrobial assay. The results indicate that nanoparticles of silver synthesized using catkin extract of P. longum can be exploited towards the development of potential antibacterial agents.
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Affiliation(s)
- Hui Huang
- Department of Respiratory Diseases, Kunshan Affiliated Hospital of Nanjing University of Chinese Medicine, Kunshan 215300, China
| | - Kuizhong Shan
- Department of Oncology, The Second People's Hospital of Kunshan, Kunshan 215300, China
| | - Jingbing Liu
- Department of Oncology, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, China
| | - Xiaoxin Tao
- Department of Oncology, Liyang People's Hospital, Liyang 213300, China
| | - Sivalingam Periyasamy
- PG and Research Department of Microbiology, Jamal Mohamed College, Khajanagar, Tiruchirappalli, Tamil Nadu 620020, India
| | - Siva Durairaj
- PG & Research Department of Biotechnology, Srimad Andavan Arts and Science College (Autonomous), Tiruchirappalli, Tamil Nadu 620005, India
| | - Ziyu Jiang
- Department of Oncology, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, China.
| | - Joe Antony Jacob
- Nanosynthesis Unit, Nanome Consulting, Salem, Tamil Nadu 636008, India.
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Almond skin extract mediated optimally biosynthesized antibacterial silver nanoparticles enable selective and sensitive colorimetric detection of Fe+2 ions. Colloids Surf B Biointerfaces 2020; 193:111084. [DOI: 10.1016/j.colsurfb.2020.111084] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Revised: 04/04/2020] [Accepted: 04/23/2020] [Indexed: 01/13/2023]
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Hassanien AA, Shaker EM. Investigation of the effect of chitosan and silver nanoparticles on the antibiotic resistance of Escherichia coliO157:H7 isolated from some milk products and diarrheal patients in Sohag city, Egypt. Vet World 2020; 13:1647-1653. [PMID: 33061240 PMCID: PMC7522957 DOI: 10.14202/vetworld.2020.1647-1653] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Accepted: 06/29/2020] [Indexed: 12/02/2022] Open
Abstract
BACKGROUND AND AIM Antimicrobial-resistant Escherichia coli O157:H7 causes serious diseases in humans, especially when circulated in their food. This study was designed to detect the presence of E. coli O157:H7 using the fliC H7 gene in some milk products as kareish cheese, labena, and yoghurt sold in Sohag city, Egypt, and among diarrheal patients admitted to governmental hospitals in Sohag and also to highlight the risk factors associated with their infection. In addition, the antimicrobial resistance and the effect of chitosan nanoparticles (CNP) and silver nanoparticles (SNP) on E. coli O157:H7 isolates obtained from both milk products and patients were investigated. MATERIALS AND METHODS Microbiological culture methods and polymerase chain reaction were used for detecting E. coli O157:H7 in 150 milk products and 150 stool samples. Resistance against some antimicrobials that were used in the treatment of animals and humans was investigated using the disk diffusion technique. CNP and SNP at two concentrations (30 and 60 μg/mL) and average sizes of 25.1 and 26.5 nm, respectively, were identified by transmission electron microscopy. Their effect on E. coli O157:H7 isolates was examined using the well diffusion method. Risk factors for infection were investigated using statistical analysis. RESULTS There were 11.3% and 14.7% of milk products and stool samples positive for E. coli O157:H7, respectively. These isolates exhibited high antimicrobial resistance to ampicillin, tetracycline, and gentamycin. CNP and SNP demonstrated inhibitory effects on E. coli O157:H7 growth, which significantly increased at high concentrations (60 μg/mL), with mean inhibition zones of 31.941±3.749 and 30.681±3.871 mm for CNP in milk products and patient isolates, respectively. The respective values for SNP were 33.588±3.675 mm and 32.500±2.444 mm, indicating a higher bactericidal effect than that of CNP. Regarding risk factors for infection, both young and elderly subjects and those in contact with infected persons and/or having chronic diseases were infected. CONCLUSION CNP and SNP are suitable for both medical and agricultural applications for disease control and enhancement of food quality.
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Affiliation(s)
- Alshimaa A. Hassanien
- Department of Zoonoses, Faculty of Veterinary Medicine, Sohag University, Sohag 82511, Egypt
| | - Eman M. Shaker
- Department of Milk Hygiene, Faculty of Veterinary Medicine, Sohag University, Sohag 82511, Egypt
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Hussein HA, Syamsumir DF, Radzi SAM, Siong JYF, Zin NAM, Abdullah MA. Phytochemical screening, metabolite profiling and enhanced antimicrobial activities of microalgal crude extracts in co-application with silver nanoparticle. BIORESOUR BIOPROCESS 2020. [DOI: 10.1186/s40643-020-00322-w] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Abstract
Background
Microalgae is one of the major sources of natural compounds with antimicrobial activity. The metabolite profiling of the extracts could identify the bioactive compounds based on methanol (MET), ethanol (ETH), chloroform (CHL), hexane (HEX) and water (W) solvent systems. The microalgal crude extracts in co-application with silver nanoparticles (AgNPs) had enhanced antimicrobial activity with potential to overcome the global problem of microbial antibiotic resistance.
Results
Chlorella sp. exhibited the highest lipid, N. oculata the highest total saturated fatty acids (TSFA), and T. suecica the highest mono-unsaturated (MUFA) and poly-unsaturated fatty acids (PUFA). The highest carbohydrate, protein and total phenolics contents (TPCs) were attained by N. oculata. The highest total flavonoids contents (TFCs), and chlorophyll a and b were in T. suecica, while comparable level of carotenoids were found in all species. For high-performance thin-layer chromatography (HPTLC) analyses, the eicosapentaenoic acid (EPA) with high peaks were detected in T. suecica-HEX and N. oculata-CHL; and β-carotene in Chlorella sp.-ETH. The gas chromatography–mass spectrometry (GC–MS) analyses showed high 13-docosenamide (Z)- in T. suecica-HEX; phytol in N. oculata-HEX; and neophytadiene in Chlorella sp.-ETH. The AgNPs–MCEs–MET and HEX at the 1.5:1 ratios exhibited strong activities against Bacillus subtilis, Streptococcus uberis, and Salmonella sp.; and the AgNPs–T. suecica-HEX and MET and AgNPs–Chlorella sp.-HEX at the 1.5:1 ratios exhibited activities against Klebsiella pneumoniae.
Conclusion
Different bioactive components were detected in the MCEs based on the HPTLC and GC–MS analyses. Significant antimicrobial activities against the pathogenic microbes were demonstrated by the synergistic effects of the MCEs in co-application with the AgNPs. This could be beneficial in the fight against sensitive and multidrug-resistant bacteria.
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Aunkor MTH, Raihan T, Prodhan SH, Metselaar HSC, Malik SUF, Azad AK. Antibacterial activity of graphene oxide nanosheet against multidrug resistant superbugs isolated from infected patients. ROYAL SOCIETY OPEN SCIENCE 2020; 7:200640. [PMID: 32874659 PMCID: PMC7428267 DOI: 10.1098/rsos.200640] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Accepted: 06/22/2020] [Indexed: 05/19/2023]
Abstract
Graphene oxide (GO) is a derivative of graphene nanosheet which is the most promising material of the decade in biomedical research. In particular, it has been known as an antimicrobial nanomaterial with good biocompatibility. In this study, we have synthesized and characterize GO and checked its antimicrobial property against different Gram-negative and Gram-positive multidrug drug resistant (MDR) hospital superbugs grown in solid agar-based nutrient plates with and without human serum through the utilization of agar well diffusion method, live/dead fluorescent staining and genotoxicity analysis. No significant changes in antibacterial activity were found in these two different conditions. We also compare the bactericidal capability of GO with some commonly administered antibiotics and in all cases the degree of inhibition is found to be higher. The data presented here are novel and show that GO is an effective bactericidal agent against different superbugs and can be used as a future antibacterial agent.
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Affiliation(s)
- Md. Toasin Hossain Aunkor
- Department of Genetic Engineering and Biotechnology, Shahjalal University of Science and Technology, Sylhet 3114, Bangladesh
| | - Topu Raihan
- Department of Genetic Engineering and Biotechnology, Shahjalal University of Science and Technology, Sylhet 3114, Bangladesh
| | - Shamsul H. Prodhan
- Department of Genetic Engineering and Biotechnology, Shahjalal University of Science and Technology, Sylhet 3114, Bangladesh
| | - H. S. C. Metselaar
- Department of Mechanical Engineering, Faculty of Engineering, University of Malaya, 50603 Kuala Lumpur, W. Persekutuan Kuala Lumpur, Malaysia
| | - Syeda Umme Fahmida Malik
- Department of Genetic Engineering and Biotechnology, Shahjalal University of Science and Technology, Sylhet 3114, Bangladesh
- Department of Biochemistry, North East Medical College and Hospital, South Surma, Sylhet, Bangladesh
| | - Abul Kalam Azad
- Department of Genetic Engineering and Biotechnology, Shahjalal University of Science and Technology, Sylhet 3114, Bangladesh
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Das G, Patra JK, Shin HS. Biosynthesis, and potential effect of fern mediated biocompatible silver nanoparticles by cytotoxicity, antidiabetic, antioxidant and antibacterial, studies. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 114:111011. [PMID: 32993988 DOI: 10.1016/j.msec.2020.111011] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Revised: 12/09/2019] [Accepted: 04/21/2020] [Indexed: 12/12/2022]
Abstract
Equisetum arvense is well known to hold numerous bioactive phytochemicals. In biosynthesis of nanoparticles (NPs), the bioactive compounds existing in natural materials like medicinal fern act as reducing and capping elements and this NPs synthesis process do not comprise of any toxic elements making them advantageous from other NPs synthesis process. After collection, identification and extraction of Equisetum arvense (Ea) aqueous extract, the biosynthesis of AgNPs was achieved followed by its characterization and multi-biopotential activity studies. The UV-visible spectroscopy, confirmed the biosynthesis of Ea-AgNPs. X-ray diffraction configurations (XRD) identified the crystalline nature of the NPs. The Elemental composition of the NPs was elucidated by the energy dispersive X-ray spectroscopy (EDX), and the scanning electron microscopy (SEM) revealed the structure of Ea-AgNPs. Bioactive compounds existing in Ea-extract accounting for Ag + ion reduction, capping and stabilization of NPs was detected by Fourier transform infrared spectroscopy (FTIR). The Dynamic Light Scattering (DLS) and the zeta potential was carried out to know the size and charge of Ea-AgNPs. The Ea-AgNPs exhibited high antidiabetic effect in terms of α-glucosidase inhibition, high cytotoxic effect against HepG2 cell lines along with antibacterial and antioxidant effect. This study reports biosynthesis of Ea-AgNPs using aqueous extract of Ea, its substantial anticancer, antidiabetic, antioxidant and antibacterial effects, which could be advantageous to pharmaceutical industries in the controlling of various diseases including diabetes, cancer, and antibacterial related diseases.
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Affiliation(s)
- Gitishree Das
- Research Institute of Biotechnology & Medical Converged Science, Dongguk University-Seoul, Gyeonggi-do 10326, Republic of Korea
| | - Jayanta Kumar Patra
- Research Institute of Biotechnology & Medical Converged Science, Dongguk University-Seoul, Gyeonggi-do 10326, Republic of Korea.
| | - Han-Seung Shin
- Department of Food Science and Biotechnology, Dongguk University-Seoul, Gyeonggi-do 10326, Republic of Korea
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Mohamed DS, Abd El-Baky RM, Sandle T, Mandour SA, Ahmed EF. Antimicrobial Activity of Silver-Treated Bacteria against other Multi-Drug Resistant Pathogens in Their Environment. Antibiotics (Basel) 2020; 9:antibiotics9040181. [PMID: 32326384 PMCID: PMC7235873 DOI: 10.3390/antibiotics9040181] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 04/08/2020] [Accepted: 04/10/2020] [Indexed: 11/16/2022] Open
Abstract
Silver is a potent antimicrobial agent against a variety of microorganisms and once the element has entered the bacterial cell, it accumulates as silver nanoparticles with large surface area causing cell death. At the same time, the bacterial cell becomes a reservoir for silver. This study aims to test the microcidal effect of silver-killed E. coli O104: H4 and its supernatant against fresh viable cells of the same bacterium and some other species, including E. coli O157: H7, Multidrug Resistant (MDR) Pseudomonas aeruginosa and Methicillin Resistant Staphylococcus aureus (MRSA). Silver-killed bacteria were examined by Transmission Electron Microscopy (TEM). Agar well diffusion assay was used to test the antimicrobial efficacy and durability of both pellet suspension and supernatant of silver-killed E. coli O104:H4 against other bacteria. Both silver-killed bacteria and supernatant showed prolonged antimicrobial activity against the tested strains that extended to 40 days. The presence of adsorbed silver nanoparticles on the bacterial cell and inside the cells was verified by TEM. Silver-killed bacteria serve as an efficient sustained release reservoir for exporting the lethal silver cations. This promotes its use as a powerful disinfectant for polluted water and as an effective antibacterial which can be included in wound and burn dressings to overcome the problem of wound contamination.
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Affiliation(s)
- Doaa Safwat Mohamed
- Microbiology and Immunology Department, Faculty of Pharmacy, Deraya University, Minia 11566, Egypt; (D.S.M.); (S.A.M.); (E.F.A.)
| | - Rehab Mahmoud Abd El-Baky
- Microbiology and Immunology Department, Faculty of Pharmacy, Deraya University, Minia 11566, Egypt; (D.S.M.); (S.A.M.); (E.F.A.)
- Microbiology and Immunology Department, Faculty of Pharmacy, Minia University, Minia 61519, Egypt
- Correspondence:
| | - Tim Sandle
- School of Health Sciences, Division of Pharmacy & Optometry, University of Manchester, Manchester M13 9NT, UK;
| | - Sahar A. Mandour
- Microbiology and Immunology Department, Faculty of Pharmacy, Deraya University, Minia 11566, Egypt; (D.S.M.); (S.A.M.); (E.F.A.)
| | - Eman Farouk Ahmed
- Microbiology and Immunology Department, Faculty of Pharmacy, Deraya University, Minia 11566, Egypt; (D.S.M.); (S.A.M.); (E.F.A.)
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Elsherif W, Ali D. Antibacterial effect of silver nanoparticles on antibiotic resistant E. coli O157:H7 isolated from some dairy products. BULGARIAN JOURNAL OF VETERINARY MEDICINE 2020. [DOI: 10.15547/bjvm.2019-0027] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Food safety is a worldwide health goal so foodborne diseases are a main health concern. A total 150 of dairy products samples (locally made yoghurt, ice cream and Talaga cheese) (50 for each type) were examined for E.coli O157:H7 detection and PCR confirmation using fliCH7 gene. E. coli O157:H7 was detected at 18%, 4%, 8% respectively, in samples. The isolates showed broad antibiotic resistance against vancomycin (84.6%), penicillin G (76.9%), cloxacillin (69.2%) and tetracycline (61.5%). Because of increasing number of microorganisms that are resistant to multiple antibiotics causing continuing economic losses in dairy manufacturing, there is an urgent need for development of alternative, cost-effective, and efficient antimicrobial agents to overcome antimicrobial resistance. Here, silver nanoparticle (AgNPs) solution was prepared, identified by transmission electron microscopy (TEM) with an average size 26.5 nm and examined for bactericidal activity against E. coli O157:H7 by using well diffusion assay. The mean inhibition zones of 25 and 50 µg/ml concentrations of Ag-NPs were 15.0±1.2 and 20.9±1.4 mm, respectively. In addition, the statistical analysis showed highly significant differences in the bactericidal effect of different Ag-NPs concentrations on E. coli O157:H7 strains. Bacterial sensitivity to nanoparticles is a key factor in manufacture, so nanoparticles were considered suitable for long life application in food packaging and food safety.
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Menon S, Shanmugam V. Cytotoxicity Analysis of Biosynthesized Selenium Nanoparticles Towards A549 Lung Cancer Cell Line. J Inorg Organomet Polym Mater 2019. [DOI: 10.1007/s10904-019-01409-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Abdel-Aziz MM, Elella MHA, Mohamed RR. Green synthesis of quaternized chitosan/silver nanocomposites for targeting mycobacterium tuberculosis and lung carcinoma cells (A-549). Int J Biol Macromol 2019; 142:244-253. [PMID: 31690471 DOI: 10.1016/j.ijbiomac.2019.09.096] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 08/24/2019] [Accepted: 09/13/2019] [Indexed: 01/06/2023]
Abstract
Lung cancer (LC) is the most-deadly type of cancer representing a major public health problem worldwide. Tuberculosis TB is another infectious disease influencing lungs that causes death especially in developing countries. The present study is the first to report antimycobacterial activity of TMC/Ag nanocomposite. It aims to solve the case of lung cancer and its most associative pathogen. The current study reports one pot green biosynthesis of silver nanocomposite in presence of biodegradable biopolymer (N,N,N-trimethyl chitosan chloride, TMC) as both reducing and stabilizing agent. The structure of TMC/Ag nanocomposite was characterized with different analysis tools including TEM, XRD and UV-vis spectrophotometer techniques. TEM images showed that Ag nanoparticles were well distributed spheres and their diameter ranged from 11 to17.5 nm. While, XRD pattern of TMC/Ag nanocomposite showed diffraction peaks related to the crystalline nature of Ag nanoparticles. In addition, UV-vis spectrum revealed a broad absorption peak at 400 nm attributing to the surface Plasmon resonance (SPR) of Ag. TMC/Ag nanocomposite exhibited a promising in vitro antimycobacterial activity with MIC of 1.95 μg/mL. On the other hand, The antitumor activity results of nanocomposites against both lung carcinoma cells (A-549) and normal lung cells (WI 38) revealed that nanocomposite cytotoxicity against A-549 cells with IC50 of 12.3 μg/mL, whereas the IC50 value against normal WI 38 cells was 357.2 μg/mL.
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Affiliation(s)
- Marwa M Abdel-Aziz
- Regional Center for Mycology and Biotechnology, Al-Azhar University, Cairo 11651, Egypt.
| | | | - Riham R Mohamed
- Chemistry Department, Faculty of Science, Cairo University, Giza 12613, Egypt.
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Mathivanan K, Selva R, Chandirika JU, Govindarajan R, Srinivasan R, Annadurai G, Duc PA. Biologically synthesized silver nanoparticles against pathogenic bacteria: Synthesis, calcination and characterization. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2019. [DOI: 10.1016/j.bcab.2019.101373] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Das G, Patra JK, Debnath T, Ansari A, Shin HS. Investigation of antioxidant, antibacterial, antidiabetic, and cytotoxicity potential of silver nanoparticles synthesized using the outer peel extract of Ananas comosus (L.). PLoS One 2019; 14:e0220950. [PMID: 31404086 PMCID: PMC6690543 DOI: 10.1371/journal.pone.0220950] [Citation(s) in RCA: 77] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Accepted: 07/27/2019] [Indexed: 01/22/2023] Open
Abstract
Currently, green nanotechnology-based approaches using waste materials from food have been accepted as an environmentally friendly and cost-effective approach with various biomedical applications. In the current study, AgNPs were synthesized using the outer peel extract of the fruit Ananas comosus (AC), which is a food waste material. Characterization was done using UV–visible spectroscopy, X-ray diffraction (XRD), Fourier transform infrared (FT-IR) spectroscopy, scanning electronic microscopy (SEM) and energy-dispersive X-ray spectroscopy (EDX) analyses. The formation of AgNPs has confirmed through UV–visible spectroscopy (at 485 nm) by the change of color owing to surface Plasmon resonance. Based on the XRD pattern, the crystalline property of AgNPs was established. The functional group existing in AC outer peel extract accountable for the reduction of Ag+ ion and the stabilization of AC-AgNPs was investigated through FT-IR. The morphological structures and elemental composition was determined by SEM and EDX analysis. With the growing application of AgNPs in biomedical perspectives, the biosynthesized AC-AgNPs were evaluated for their antioxidative, antidiabetic, and cytotoxic potential against HepG2 cells along with their antibacterial potential. The results showed that AC-AgNPs are extremely effective with high antidiabetic potential at a very low concentration as well as it exhibited higher cytotoxic activity against the HepG2 cancer cells in a dose-dependent manner. It also exhibited potential antioxidant activity and moderate antibacterial activity against the four tested foodborne pathogenic bacteria. Overall, the results highlight the effectiveness and potential applications of AC-AgNPs in biomedical fields such as in the treatment of acute illnesses as well as in drug formulation for treating various diseases such as cancer and diabetes. Further, it has applications in wound dressing or in treating bacterial related diseases.
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Affiliation(s)
- Gitishree Das
- Research Institute of Biotechnology & Medical Converged Science, Dongguk University-Seoul, Gyeonggi-do, Republic of Korea
| | - Jayanta Kumar Patra
- Research Institute of Biotechnology & Medical Converged Science, Dongguk University-Seoul, Gyeonggi-do, Republic of Korea
| | - Trishna Debnath
- Department of Food Science and Biotechnology, Dongguk University‐Seoul, Gyeonggi‐do, Korea
| | - Abuzar Ansari
- Department of Obstetrics and Gynecology, Ewha Medical Research Institute, Ewha Womans University Medical School, Seoul, Republic of Korea
| | - Han-Seung Shin
- Department of Food Science and Biotechnology, Dongguk University‐Seoul, Gyeonggi‐do, Korea
- * E-mail:
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