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Krishna G, Srileka V, Singara Charya M, Abu Serea ES, Shalan AE. Biogenic synthesis and cytotoxic effects of silver nanoparticles mediated by white rot fungi. Heliyon 2021; 7:e06470. [PMID: 33786393 PMCID: PMC7988327 DOI: 10.1016/j.heliyon.2021.e06470] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 08/31/2020] [Accepted: 03/05/2021] [Indexed: 01/21/2023] Open
Abstract
Silver nanoparticles (AgNPs) were successfully synthesized using silver nitrate via the biological route using the culture filtrate of Ganoderma enigmaticum as well as Trametes ljubarskyi white rot fungi materials at room temperature. The proposed synthetic technique was applied for the first time for AgNPs preparation via the biological route through a low-cost pathway, which considered as an adequate direction of preparation compared to the commercial methods. This study reports the in vitro cytotoxic effect of biologically synthesized AgNPs in disposing of the human lung cancer cell line (A549) and human breast cancer cell (MCF-7) by using a 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-2H-tetrazolium bromide (MTT) assay. In addition, the viability of the tested cell lines was tested after treatment for 24 h in the presence of the prepared nanoparticles. The obtained results indicated the reduced viability of cancer cell lines with improving concentrations of AgNPs (40-120 μg/mL) at 24 h. Furthermore, at 120 μg/mL concentration, the fungal nanoparticles showed substantial cytotoxic effects toward the treated cells. Consequently, the results designated that the biologically synthesized silver nanoparticles have effective behavior for treating A549 and MCF-7 cancer cells from the laboratory experiment approach; however, additional studies are required to validate these results in vivo models as anticancer agents depending on their cytotoxic activity.
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Affiliation(s)
- Gudikandula Krishna
- Department of Microbiology, Kakatiya University, Warangal 506009, Telangana, India
| | - V. Srileka
- Chaitanya Degree and PG. College, Kakatiya University, Warangal 506009, Telangana, India
| | - M.A. Singara Charya
- Department of Microbiology, Kakatiya University, Warangal 506009, Telangana, India
| | - Esraa Samy Abu Serea
- BCMaterials-Basque Center for Materials, Applications and Nanostructures, Martina Casiano, UPV/EHU Science Park, Barrio Sarriena s/n, Leioa 48940, Spain
- Chemistry & Biochemistry Department, Faculty of Science, Cairo University, 12613, Egypt
| | - Ahmed Esmail Shalan
- BCMaterials-Basque Center for Materials, Applications and Nanostructures, Martina Casiano, UPV/EHU Science Park, Barrio Sarriena s/n, Leioa 48940, Spain
- Central Metallurgical Research and Development Institute (CMRDI), P.O. Box 87, Helwan, Cairo 11421, Egypt
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Vanlalveni C, Lallianrawna S, Biswas A, Selvaraj M, Changmai B, Rokhum SL. Green synthesis of silver nanoparticles using plant extracts and their antimicrobial activities: a review of recent literature. RSC Adv 2021; 11:2804-2837. [PMID: 35424248 PMCID: PMC8694026 DOI: 10.1039/d0ra09941d] [Citation(s) in RCA: 159] [Impact Index Per Article: 53.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Accepted: 12/30/2020] [Indexed: 12/27/2022] Open
Abstract
Synthesis of metal nanoparticles using plant extracts is one of the most simple, convenient, economical, and environmentally friendly methods that mitigate the involvement of toxic chemicals. Hence, in recent years, several eco-friendly processes for the rapid synthesis of silver nanoparticles have been reported using aqueous extracts of plant parts such as the leaf, bark, roots, etc. This review summarizes and elaborates the new findings in this research domain of the green synthesis of silver nanoparticles (AgNPs) using different plant extracts and their potential applications as antimicrobial agents covering the literature since 2015. While highlighting the recently used different plants for the synthesis of highly efficient antimicrobial green AgNPs, we aim to provide a systematic in-depth discussion on the possible influence of the phytochemicals and their concentrations in the plants extracts, extraction solvent, and extraction temperature, as well as reaction temperature, pH, reaction time, and concentration of precursor on the size, shape and stability of the produced AgNPs. Exhaustive details of the plausible mechanism of the interaction of AgNPs with the cell wall of microbes, leading to cell death, and high antimicrobial activities have also been elaborated. The shape and size-dependent antimicrobial activities of the biogenic AgNPs and the enhanced antimicrobial activities by synergetic interaction of AgNPs with known commercial antibiotic drugs have also been comprehensively detailed.
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Affiliation(s)
- Chhangte Vanlalveni
- Department of Botany, Mizoram University Tanhril Aizawl Mizoram 796001 India
| | - Samuel Lallianrawna
- Department of Chemistry, Govt. Zirtiri Residential Science College Aizawl 796001 Mizoram India
| | - Ayushi Biswas
- Department of Chemistry, National Institute of Technology Silchar Silchar 788010 India
| | - Manickam Selvaraj
- Department of Chemistry, Faculty of Science, King Khalid University Abha 61413 Saudi Arabia
| | - Bishwajit Changmai
- Department of Chemistry, National Institute of Technology Silchar Silchar 788010 India
| | - Samuel Lalthazuala Rokhum
- Department of Chemistry, National Institute of Technology Silchar Silchar 788010 India
- Department of Chemistry, University of Cambridge Lensfield Road Cambridge CB2 1EW UK
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Nandana CN, Christeena M, Bharathi D. Synthesis and Characterization of Chitosan/Silver Nanocomposite Using Rutin for Antibacterial, Antioxidant and Photocatalytic Applications. J CLUST SCI 2021. [DOI: 10.1007/s10876-020-01947-9] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Keshavarzi Z, Shakeri F, Maghool F, Jamialahmadi T, Johnston TP, Sahebkar A. A Review on the Phytochemistry, Pharmacology, and Therapeutic Effects of Rheum ribes. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1328:447-461. [DOI: 10.1007/978-3-030-73234-9_30] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Huq MA. Biogenic Silver Nanoparticles Synthesized by Lysinibacillus xylanilyticus MAHUQ-40 to Control Antibiotic-Resistant Human Pathogens Vibrio parahaemolyticus and Salmonella Typhimurium. Front Bioeng Biotechnol 2020; 8:597502. [PMID: 33425864 PMCID: PMC7793659 DOI: 10.3389/fbioe.2020.597502] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Accepted: 11/17/2020] [Indexed: 11/23/2022] Open
Abstract
The present study highlights a simple and eco-friendly method for the biosynthesis of silver nanoparticles (AgNPs) using Lysinibacillus xylanilyticus strain MAHUQ-40. Also, the synthesized AgNPs were used to investigate their antibacterial activity and mechanisms against antibiotic-resistant pathogens. Biosynthesis of AgNPs was confirmed by ultraviolet-visible spectroscopy, and then, they were characterized by field emission-transmission electron microscopy (FE-TEM), X-ray diffraction (XRD), dynamic light scattering (DLS), and fourier transform-infrared (FTIR). The toxicity of AgNPs against two pathogenic bacteria was evaluated. The UV-vis spectral scanning showed the peak for synthesized AgNPs at 438 nm. Under FE-TEM, the synthesized AgNPs were spherical with diameter ranges from 8 to 30 nm. The XRD analysis revealed the crystallinity of synthesized AgNPs. FTIR data showed various biomolecules including proteins and polysaccharides that may be involved in the synthesis and stabilization of AgNPs. The resultant AgNPs showed significant antibacterial activity against tested pathogens. The MICs (minimum inhibitory concentrations) and MBCs (minimum bactericidal concentrations) of the AgNPs synthesized by strain MAHUQ-40 were 3.12 and 12.5 μg/ml, respectively, against Vibrio parahaemolyticus and 6.25 and 25 μg/ml, respectively, against Salmonella Typhimurium. FE-TEM analysis showed that the biogenic AgNPs generated structural and morphological changes and damaged the membrane integrity of pathogenic bacteria. Our findings showed the potentiality of L. xylanilyticus MAHUQ-40 to synthesis AgNPs that acted as potent antibacterial material against pathogenic bacterial strains.
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Affiliation(s)
- Md. Amdadul Huq
- Department of Food and Nutrition, College of Biotechnology and Natural Resource, Chung-Ang University, Anseong, South Korea
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Gherasim O, Puiu RA, Bîrcă AC, Burdușel AC, Grumezescu AM. An Updated Review on Silver Nanoparticles in Biomedicine. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E2318. [PMID: 33238486 PMCID: PMC7700255 DOI: 10.3390/nano10112318] [Citation(s) in RCA: 85] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Revised: 11/17/2020] [Accepted: 11/20/2020] [Indexed: 12/12/2022]
Abstract
Silver nanoparticles (AgNPs) represent one of the most explored categories of nanomaterials for new and improved biomaterials and biotechnologies, with impressive use in the pharmaceutical and cosmetic industry, anti-infective therapy and wound care, food and the textile industry. Their extensive and versatile applicability relies on the genuine and easy-tunable properties of nanosilver, including remarkable physicochemical behavior, exceptional antimicrobial efficiency, anti-inflammatory action and antitumor activity. Besides commercially available and clinically safe AgNPs-based products, a substantial number of recent studies assessed the applicability of nanosilver as therapeutic agents in augmented and alternative strategies for cancer therapy, sensing and diagnosis platforms, restorative and regenerative biomaterials. Given the beneficial interactions of AgNPs with living structures and their nontoxic effects on healthy human cells, they represent an accurate candidate for various biomedical products. In the present review, the most important and recent applications of AgNPs in biomedical products and biomedicine are considered.
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Affiliation(s)
- Oana Gherasim
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 1-7 Gheorghe Polizu Street, 011061 Bucharest, Romania; (O.G.); (R.A.P.); (A.C.B.); (A.-C.B.)
- Lasers Department, National Institute for Lasers, Plasma and Radiation Physics, 409 Atomistilor Street, 077125 Magurele, Romania
| | - Rebecca Alexandra Puiu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 1-7 Gheorghe Polizu Street, 011061 Bucharest, Romania; (O.G.); (R.A.P.); (A.C.B.); (A.-C.B.)
| | - Alexandra Cătălina Bîrcă
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 1-7 Gheorghe Polizu Street, 011061 Bucharest, Romania; (O.G.); (R.A.P.); (A.C.B.); (A.-C.B.)
| | - Alexandra-Cristina Burdușel
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 1-7 Gheorghe Polizu Street, 011061 Bucharest, Romania; (O.G.); (R.A.P.); (A.C.B.); (A.-C.B.)
| | - Alexandru Mihai Grumezescu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 1-7 Gheorghe Polizu Street, 011061 Bucharest, Romania; (O.G.); (R.A.P.); (A.C.B.); (A.-C.B.)
- Research Institute of the University of Bucharest—ICUB, University of Bucharest, 90-92 Panduri Road, 050657 Bucharest, Romania
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Salih TA, Hassan KT, Majeed SR, Ibraheem IJ, Hassan OM, Obaid AS. In vitro scolicidal activity of synthesised silver nanoparticles from aqueous plant extract against Echinococcus granulosus. ACTA ACUST UNITED AC 2020; 28:e00545. [PMID: 33163372 PMCID: PMC7610041 DOI: 10.1016/j.btre.2020.e00545] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 10/20/2020] [Accepted: 10/20/2020] [Indexed: 12/12/2022]
Abstract
Silver nanoparticles were biosynthesised using plant extract derived from Piper nigrum, Ziziphus Spina-Christi and Eucalyptus globulus. The scolicidal activity of synthesised silver nanoparticles against Echinococcus granulosus has been investigated. The Eucalyptus globulus extract exhibits outstanding activity comparing to Piper nigrum and Ziziphus Spina-Christi plant extracts. Silver nanoparticles exhibited reasonably results compared to that obtained from treatment with 10 μg/mL of Albendazole.
At present, biosynthesis of AgNPs is a very effective method to produce less toxic nanoparticles. The vision of this research is to use three different plant extracts derived from leaves of Piper nigrum, Ziziphus Spina-Christi and Eucalyptus globulus for rapid biosynthesis of AgNPs. This is in addition to investigating the scolicidal activity against Echinococcus granulosus. The methods of UV–vis spectroscopy, X-ray diffraction (XRD), scanning electron microscopy (SEM), and energy-dispersive X-ray analysis (EDX) were employed to characterise the nanoparticles. UV spectra disclosed a maximum absorption at 437 nm for the biosynthesised AgNPs using EUCGLO extract. The XRD patterns revealed the (fcc) structure of the AgNPs with slightly shifted characteristic peaks at 2θ degree of 37.3˚ and 43.4˚, respectively. The scolicidal activity against E. granulosus revealed that the AgNPs, which were synthesised using Eucalyptus globulus, have powered scolicidal of 47.8 % after 45 min. which is comparable to the treatment by Albendazole.
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Affiliation(s)
| | - Khalil T Hassan
- Department of Physics, College of Science, University Of Anbar, Ramadi, 30001, Iraq
| | - Sattar Rajab Majeed
- Department of Chemistry, College of Science, University Of Anbar, Ramadi, 30001, Iraq
| | - Ibraheem J Ibraheem
- Department of Chemistry, College of Science, University Of Anbar, Ramadi, 30001, Iraq
| | - Omar M Hassan
- Department of Biology, College of Science, University Of Anbar, Ramadi, 30001, Iraq
| | - A S Obaid
- Department of Physics, College of Science, University Of Anbar, Ramadi, 30001, Iraq
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58
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Pham XN, Nguyen HT, Pham NT. Green Synthesis and Antibacterial Activity of HAp@Ag Nanocomposite Using Centella asiatica (L.) Urban Extract and Eggshell. Int J Biomater 2020; 2020:8841221. [PMID: 33061978 PMCID: PMC7547362 DOI: 10.1155/2020/8841221] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 09/04/2020] [Accepted: 09/21/2020] [Indexed: 12/14/2022] Open
Abstract
In recent years, the green synthesis of nanoparticles via biological processes has attracted considerable attention. Herein, we introduce a facile and green approach for the synthesis of poriferous silver nanoparticles (Ag-NPs) decorated hydroxylapatite (HAp@Ag) nanoparticles with excellent antibacterial properties. All the nanocomposites were fully characterized in the solid state via various techniques such as X-ray powder diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM), and energy-dispersive X-ray spectrometer (EDX), in which the synthesized Ag-NPs (24 nm in diameter) and their homogeneous incorporation on HAp have been studied by ultraviolet-visible (UV-vis) technique, transmission electron microscopy (TEM), and dynamic light scattering (DLS) analysis. The obtained results indicate that the structure and morphology of HAp have no significant changes after the incorporation of Ag-NPs on its surface. Moreover, an impressive antibacterial activity of HAp@Ag nanocomposite against Gram-positive bacterium Staphylococcus aureus and Gram-negative bacteria Escherichia coli and Pseudomonas aeruginosa has been recorded by using the agar well diffusion method. As a result, the HAp@Ag nanocomposite promises to be a great biomedical material with high antibacterial properties.
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Affiliation(s)
- Xuan Nui Pham
- Department of Chemical Engineering, Hanoi University of Mining and Geology, 18 Vien Street, Duc Thang, Bac Tu Liem, Hanoi, Vietnam
| | - Hoa Thi Nguyen
- Department of Chemical Engineering, Hanoi University of Mining and Geology, 18 Vien Street, Duc Thang, Bac Tu Liem, Hanoi, Vietnam
| | - Ngan Thi Pham
- Department of Chemical Engineering, Hanoi University of Mining and Geology, 18 Vien Street, Duc Thang, Bac Tu Liem, Hanoi, Vietnam
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Kabir SR, Asaduzzaman AKM, Amin R, Haque ASMT, Ghose R, Rahman MM, Islam J, Amin MB, Hasan I, Debnath T, Chun BS, Zhao X, Rahman Khan MK, Alam MT. Zizyphus mauritiana Fruit Extract-Mediated Synthesized Silver/Silver Chloride Nanoparticles Retain Antimicrobial Activity and Induce Apoptosis in MCF-7 Cells through the Fas Pathway. ACS OMEGA 2020; 5:20599-20608. [PMID: 32832813 PMCID: PMC7439699 DOI: 10.1021/acsomega.0c02878] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Accepted: 07/21/2020] [Indexed: 05/08/2023]
Abstract
Recently, green synthesis of silver/silver chloride nanoparticles (Ag/AgCl-NPs) has gained a lot of interest because of the usage of natural resources, rapidness, eco-friendliness, and benignancy. Several researchers reported that silver-based biogenic NPs have both antimicrobial and anticancer properties. In the present study, Ag/AgCl-NPs were synthesized from Zizyphus mauritiana fruit extract, and their antibacterial, antifungal, and antiproliferative mechanisms against human MCF-7 cell lines were evaluated. Synthesis of Ag/AgCl-NPs from the Z. mauritiana fruit extract was confirmed by the changes of color and a peak of the UV-visible spectrum at 428 nm. The nanoparticles were characterized by transmission electron microscopy, energy dispersive X-ray, X-ray powder diffraction, thermal gravimetric analysis, atomic force microscope, and Fourier transform infrared. Antibacterial activity was checked against four pathogenic bacteria and two fungi. Cytotoxicity was checked against human breast cancer cell line (MCF-7) and mice Ehrlich ascites carcinoma (EAC) cells by MTS assay and clonogenicity assay. Cell morphology of the control and nanoparticle-treated MCF-7 cells were checked by Hoechst 33342, YF488-Annexin V, and caspase-3 substrates. The level of reactive oxygen species (ROS) was studied by using 2',7'-dichlorofluorescein-diacetate staining. Real-time polymerase chain reaction was used for gene expression. Synthesized nanoparticles were heat stable cubic crystals with an average size of 16 nm that contain silver and chlorine with various functional groups. The synthesized Ag/AgCl-NPs inhibited the growth of three pathogenic bacteria (Bacillus subtilis, Shigella boydii, and Escherichia coli) and two fungi (Aspergillus niger and Trichoderma spp.). Ag/AgCl-NPs inhibited the growth of MCF-7 and EAC cells with the IC50 values of 28 and 84 μg/mL, respectively. No colony was formed in MCF-7 cells in the presence of these nanoparticles as compared with control. Ag/AgCl-NPs induced apoptosis and generated ROS in MCF-7 cells. The expression level of FAS, FADD, and caspase-8 genes increased several folds with the decrease of PARP gene expression. These results demonstrated that the anti-proliferation activity of Ag/AgCl-NPs against MCF-7 cells resulted through ROS generation and induction of apoptosis through the Fas-mediated pathway.
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Affiliation(s)
- Syed Rashel Kabir
- Department
of Biochemistry and Molecular Biology, University
of Rajshahi, Rajshahi 6205, Bangladesh
- , . Phone: +880-721-711506. Fax: +880-721-711114
| | - AKM Asaduzzaman
- Department
of Biochemistry and Molecular Biology, University
of Rajshahi, Rajshahi 6205, Bangladesh
| | - Ruhul Amin
- Bangladesh
Council of Scientific and Industrial Research (BCSIR) Laboratories, Rajshahi 6206, Bangladesh
| | - ASM Tanbirul Haque
- Department
of Food Science and Technology, Pukyong
National University, 45 Yongso-ro, Nam-Gu, Busan 608-737, Republic of Korea
| | - Rita Ghose
- Department
of Biochemistry and Molecular Biology, University
of Rajshahi, Rajshahi 6205, Bangladesh
| | - Md. Musfikur Rahman
- Department
of Biochemistry and Molecular Biology, University
of Rajshahi, Rajshahi 6205, Bangladesh
| | - Jahanur Islam
- Department
of Biochemistry and Molecular Biology, University
of Rajshahi, Rajshahi 6205, Bangladesh
| | - Md. Boni Amin
- Department
of Biochemistry and Molecular Biology, University
of Rajshahi, Rajshahi 6205, Bangladesh
| | - Imtiaj Hasan
- Department
of Biochemistry and Molecular Biology, University
of Rajshahi, Rajshahi 6205, Bangladesh
| | - Tapas Debnath
- Department
of Chemistry, University of Dhaka, Dhaka 1000, Bangladesh
| | - Byung-Soo Chun
- Department
of Food Science and Technology, Pukyong
National University, 45 Yongso-ro, Nam-Gu, Busan 608-737, Republic of Korea
| | - XuDong Zhao
- Key
Laboratory of Animal Models and Human Disease Mechanisms of Chinese
Academy of Sciences, Kunming Institute of
Zoology, Kunming 650223, Yunnan, China
| | | | - Mohammad Taufiq Alam
- Department
of Applied Chemistry and Chemical Engineering, University of Rajshahi, Rajshahi 6205, Bangladesh
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Enhanced catalytic and antibacterial efficiency of biosynthesized Convolvulus fruticosus extract capped gold nanoparticles (CFE@AuNPs). JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2020; 209:111949. [DOI: 10.1016/j.jphotobiol.2020.111949] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 06/02/2020] [Accepted: 06/29/2020] [Indexed: 02/08/2023]
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González-Fernández S, Lozano-Iturbe V, García B, Andrés LJ, Menéndez MF, Rodríguez D, Vazquez F, Martín C, Quirós LM. Antibacterial effect of silver nanorings. BMC Microbiol 2020; 20:172. [PMID: 32560673 PMCID: PMC7304143 DOI: 10.1186/s12866-020-01854-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Accepted: 06/12/2020] [Indexed: 12/11/2022] Open
Abstract
Background The emergence and expansion of antibiotic resistance makes it necessary to have alternative anti-infective agents, among which silver nanoparticles (AgNPs) display especially interesting properties. AgNPs carry out their antibacterial action through various molecular mechanisms, and the magnitude of the observed effect is dependent on multiple, not fully understood, aspects, particle shape being one of the most important. In this article, we conduct a study of the antibacterial effect of a recently described type of AgNP: silver nanorings (AgNRs), making comparisons with other alternative types of AgNP synthesized in parallel using the same methodology. Results When they act on planktonic forms, AgNRs produce a smaller effect on the viability of different bacteria than nanoparticles with other structures although their effect on growth is more intense over a longer period. When their action on biofilms is analyzed, AgNRs show a greater concentration-dependent effect. In both cases it was observed that the effect on inhibition depends on the microbial species, but not its Gram positive or negative nature. Growth patterns in silver-resistant Salmonella strains suggest that AgNRs work through different mechanisms to other AgNPs. The antibacterial effect is also produced to some extent by the conditioning of culture media or water by contact with AgNPs but, at least over short periods of time, this is not due to the release of Ag ions. Conclusions AgNRs constitute a new type of AgNP, whose antibacterial properties depend on their shape, and is capable of acting efficiently on both planktonic bacteria and biofilms.
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Affiliation(s)
- Sara González-Fernández
- Instituto Universitario Fernández-Vega, Instituto de Investigación Sanitaria del Principado de Asturias, and Departamento de Biología Funcional, Universidad de Oviedo, 33006, Oviedo, Spain
| | - Víctor Lozano-Iturbe
- Instituto Universitario Fernández-Vega, Instituto de Investigación Sanitaria del Principado de Asturias, and Departamento de Biología Funcional, Universidad de Oviedo, 33006, Oviedo, Spain
| | - Beatriz García
- Instituto Universitario Fernández-Vega, Instituto de Investigación Sanitaria del Principado de Asturias, and Departamento de Biología Funcional, Universidad de Oviedo, 33006, Oviedo, Spain
| | - Luis J Andrés
- Departamento de Fotónica-ITMA Materials Technology, 33490, Avilés, Spain
| | - Mª Fe Menéndez
- Departamento de Fotónica-ITMA Materials Technology, 33490, Avilés, Spain
| | - David Rodríguez
- Instituto Universitario de Oncología del Principado de Asturias and Departamento de Bioquímica y Biología Molecular, Universidad de Oviedo, 33006, Oviedo, Spain
| | - Fernando Vazquez
- Instituto Universitario Fernández-Vega, Instituto de Investigación Sanitaria del Principado de Asturias, and Departamento de Biología Funcional, Universidad de Oviedo, 33006, Oviedo, Spain.,Servicio de Microbiología, Hospital Universitario Central de Asturias, 33011, Oviedo, Spain
| | - Carla Martín
- Instituto Universitario Fernández-Vega, Instituto de Investigación Sanitaria del Principado de Asturias, and Departamento de Biología Funcional, Universidad de Oviedo, 33006, Oviedo, Spain
| | - Luis M Quirós
- Instituto Universitario Fernández-Vega, Instituto de Investigación Sanitaria del Principado de Asturias, and Departamento de Biología Funcional, Universidad de Oviedo, 33006, Oviedo, Spain.
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Miesen TJ, Engstrom AM, Frost DC, Ajjarapu R, Ajjarapu R, Lira CN, Mackiewicz MR. A hybrid lipid membrane coating "shape-locks" silver nanoparticles to prevent surface oxidation and silver ion dissolution. RSC Adv 2020; 10:15677-15693. [PMID: 35493639 PMCID: PMC9052474 DOI: 10.1039/d0ra01727b] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2020] [Accepted: 04/14/2020] [Indexed: 11/21/2022] Open
Abstract
The controlled synthesis of stable silver nanoparticles (AgNPs), that do not undergo surface oxidation and Ag+ ion dissolution, continues to be a major challenge. Here the synthesis of robust hybrid lipid-coated AgNPs, comprised of l-α-phosphatidylcholine (PC) membranes anchored by a stoichiometric amount of long-chained hydrophobic thiols and sodium oleate (SOA) as hydrophobic binding partners, that do not undergo surface oxidation and Ag+ ion dissolution, is described. UV-Visible (UV-Vis) spectroscopy, transmission electron microscopy (TEM), and inductively coupled plasma mass spectrometry (ICP-MS) demonstrate that in the presence of strong oxidants, such as potassium cyanide (KCN), the hybrid lipid-coated AgNPs are stable and do not undergo surface oxidation even in the presence of membrane destabilizing surfactants. UV-Vis studies show that the stability of hybrid lipid-coated AgNPs of various sizes and shapes is dependent on the length of the thiol hydrocarbon chain and can be ranked in the order of increasing stability as follows: propanethiol (PT) < hexanethiol (HT) ≤ decanethiol (DT). UV-Vis and ICP-MS studies show that the hybrid lipid-coated AgNPs do not change in size or shape confirming that the AgNPs do not undergo surface oxidation and Ag+ ion dissolution when placed in the presence of strong oxidants, chlorides, thiols, and low pH. Long-term stability studies, over 21 days, show that the hybrid lipid-coated AgNPs do not release Ag+ ions and are more stable. Overall, these studies demonstrate hybrid membrane encapsulation of nanomaterials is a viable method for stabilizing AgNPs in a "shape-locked" form that is unable to undergo surface oxidation, Ag+ ion release, aging, or shape conversion. More importantly, this design strategy is a simple approach to the synthesis and stabilization of AgNPs for a variety of biomedical and commercial applications where Ag+ ion release and toxicity is a concern. With robust and shielded AgNPs, investigators can now evaluate and correlate how the physical features of AgNPs influence toxicity without the confounding factor of Ag+ ions present in samples. This design strategy also provides an opportunity where the membrane composition can be tuned to control the release rate of Ag+ ions for optimizing antimicrobial activity.
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Affiliation(s)
- Thomas J Miesen
- Department of Chemistry, Portland State University Portland OR 97207 USA
| | - Arek M Engstrom
- Department of Chemistry, Portland State University Portland OR 97207 USA
| | - Dane C Frost
- Department of Chemistry, Portland State University Portland OR 97207 USA
| | - Ramya Ajjarapu
- Department of Chemistry, Portland State University Portland OR 97207 USA
| | - Rohan Ajjarapu
- Department of Chemistry, Portland State University Portland OR 97207 USA
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KİRMİT A, TAKIM K, DURMUŞ E, GÜLER EM, YENİGÜN VB, BULUT H, KOÇYİĞİT A. Investigation of the anti-cancer effect of Rheum Ribes L.'s ethanol extracts on malign melanoma cells. JOURNAL OF HEALTH SCIENCES AND MEDICINE 2020. [DOI: 10.32322/jhsm.689150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
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Hamida RS, Abdelmeguid NE, Ali MA, Bin-Meferij MM, Khalil MI. Synthesis of Silver Nanoparticles Using a Novel Cyanobacteria Desertifilum sp. extract: Their Antibacterial and Cytotoxicity Effects. Int J Nanomedicine 2020; 15:49-63. [PMID: 32021164 PMCID: PMC6956868 DOI: 10.2147/ijn.s238575] [Citation(s) in RCA: 68] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Accepted: 12/21/2019] [Indexed: 01/17/2023] Open
Abstract
BACKGROUND The emergence of multi drug-resistant (MDR) bacterial infections and cancer has necessitated the development and discovery of alternative eco-safe antibacterial and anticancer agents. Biogenic fabrication of metallic nanoparticles is an emerging discipline for production of nanoproducts that exert potent anticancer and antibacterial activity, and do not suffer from the limitations inherent in physiochemical synthesis methods. METHODOLOGY In this study, we isolated, purified, and characterized a novel cyanobacteria extract (Desertifilum IPPAS B-1220) to utilize in biofabrication of silver nanoparticles (D-SNPs). D-SNPs were produced by adding Desertifilum extract to silver nitrate solution under controlled conditions. Biofabrication of D-SNPs was confirmed using a UV-Vis spectrophotometer. The resultant D-SNPs were characterized using XRD, FTIR, SEM, and TEM. The toxicity of D-SNPs against five pathogenic bacteria and three cancer cell lines (MCF-7, HepG2, and Caco-2) was evaluated. RESULTS Formation of D-SNPs was indicated by a color change from pale yellow to dark brown. The peak of the surface plasmon resonance of the D-SNPs was at 421 nm. The XRD detected the crystallinity of D-SNPs. FTIR showed that polysaccharides and proteins may have contributed to the biofabrication of D-SNPs. Under SEM and TEM, the D-SNPs were spherical with diameter ranges from 4.5 to 26 nm. The D-SNPs significantly suppressed the growth of five pathogenic bacteria, and exerted cytotoxic effects against MCF-7, HepG2, and Caco-2 cancer cells with IC50 values of 58, 32, and 90 µg/mL, respectively. CONCLUSION These findings showed for the first time the potentiality of novel cyanobacteria strain Desertifilum IPPAS B-1220 to fabricate small SNPs that acted as potent anticancer and antibacterial material against different cancer cell lines and pathogenic bacterial strains. These findings encourage the researchers to focus on cyanobacteria in general and especially Desertifilum sp. IPPAS B-1220 for synthesizing different NPs that opening the window for new applications.
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Affiliation(s)
- Reham Samir Hamida
- Molecular Biology Unit, Department of Zoology, Faculty of Science, Alexandria University, Alexandria, Egypt
| | - Nabila Elsayed Abdelmeguid
- Molecular Biology Unit, Department of Zoology, Faculty of Science, Alexandria University, Alexandria, Egypt
| | - Mohamed Abdelaal Ali
- Biotechnology Unit, Department of Plant Production, College of Food and Agriculture Science, King Saud University, Riyadh, Saudi Arabia
| | | | - Mahmoud Ibrahim Khalil
- Department of Biological Sciences, Faculty of Science, Beirut Arab University, Beirut, Lebanon
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