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Piri M, Mahdavi AH, Hajian M, Nasr-Esfahani MH, Soltani L, Vash NT. Effects of nano-berberine and berberine loaded on green synthesized selenium nanoparticles on cryopreservation and in vitro fertilization of goat sperm. Sci Rep 2024; 14:24171. [PMID: 39406889 PMCID: PMC11480442 DOI: 10.1038/s41598-024-75792-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2024] [Accepted: 10/08/2024] [Indexed: 10/19/2024] Open
Abstract
After cryopreservation, reactive oxygen species (ROS) can damage sperm. Antioxidants are the primary defense against oxidative damage. Berberine is a bioactive alkaloid found in Berberis vulgaris, Curcuma longa, and Ergon grape, and is a potent antioxidant. Due to the negative effects of free radicals in oxidative stress processes, antioxidant chemicals are required to protect sperm. However, berberine has low bioavailability, making it less effective. Loading techniques on nanoparticles and nanotechnology can help overcome this limitation. Selenium nanoparticles were synthesized with barberry extract, and berberine was loaded on them. Berberine nanoparticles were then synthesized using anti-solvent precipitation with a syringe pump technique. The synthesis of nanoparticles was confirmed by EDX, UV-visible, FE-SEM, Zeta-Potential, and FTIR tests. In this experiment, we aim to investigate the impact of nano-berberine and berberine loaded on Se-NPs on goat sperm parameters after freeze-thawing. We assessed the generation of reactive oxygen species (ROS), in vitro fertility, and the subsequent embryo development of zygote with treated sperm after determining the optimal concentration of various chemicals on sperm parameters. The study found that all treatments had significant differences from the control group in terms of motility, viability, DNA and membrane integrity, ROS level, lipid peroxidation, in vitro fertility ability, and the capacity to develop inseminated oocytes (p < 0.05). The most significant outcomes were observed with berberine loaded on Se-NPs and the combination of selenium nanoparticles with berberine nanoparticles.
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Affiliation(s)
- Mehrangiz Piri
- Department of Animal Science, College of Agriculture, Isfahan University of Technology, Isfahan, Iran
| | - Amir Hossein Mahdavi
- Department of Animal Science, College of Agriculture, Isfahan University of Technology, Isfahan, Iran.
| | - Mehdi Hajian
- Department of Animal Biotechnology, Reproductive Biomedicine Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran.
| | - Mohammad Hossein Nasr-Esfahani
- Department of Animal Biotechnology, Reproductive Biomedicine Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran
| | - Leila Soltani
- Department of Animal Sciences, Faculty of Agriculture and Natural Resources, Razi University, Kermanshah, Iran
| | - Nima Tanhaei Vash
- Department of Animal Biotechnology, Reproductive Biomedicine Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran
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2
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Jalil K, Ahmad S, Islam NU, Muhammad S, Jalil Q, Ali A. Excellent antibacterial and anti-inflammatory efficacy of amoxicillin by AgNPs and their conjugates synthesized using Micromeria biflora crude flavonoid extracts. Heliyon 2024; 10:e36752. [PMID: 39281441 PMCID: PMC11399619 DOI: 10.1016/j.heliyon.2024.e36752] [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: 05/15/2024] [Revised: 07/30/2024] [Accepted: 08/21/2024] [Indexed: 09/18/2024] Open
Abstract
Antibacterial resistance is considered to be one of the major causes for mortality in coming years. In recent years green nanotechnology played a key role in addressing this problem. Biocompatible metal nanoparticles have gained popularity owing to their excellent therapeutic effects and minimal side effects. Method We report the synthesis of AgNPs and their amoxicillin conjugates (Ag-amoxi) using Micromeria biflora crude flavonoid extracts. The physicochemical properties of the synthesized NPs and Ag-amoxi conjugates were systematically evaluated using scanning electron microscopy (SEM), energy dispersive X-ray (EDX) and X-ray diffraction (XRD) analysis, Fourier transform infrared (FTIR), and UV-visible (UV-Vis) spectroscopic techniques. Results The average sizes of AgNPs and Ag-amoxi conjugates were 45 and 62 nm, respectively. We have also explored the antibacterial, antioxidant, anti-inflammatory, and analgesic properties of the AgNPs and Ag-amoxi conjugates through in vivo and in vitro analysis. The Ag-amoxi conjugates showed better antibacterial potential against Streptococcus Pneumoniae (S.P), Staphylococcus aureus (S.A), Pseudomonas aeruginosa (P.A), and Methicillin resistance Staphylococcus aureus (MRSA) strain both the drug and AgNPs. Similarly, in vivo anti-inflammatory studies revealed that both Ag-amoxi (68 %) and AgNPs (64 %) had strong anti-inflammatory effects, with (***p < 0.001) significance at a dose of 10 mg kg-1 body weight as compared to standard, amoxicillin (45 %), and flavonoids extract (48 %) at a dose of 100 mg kg-1. The findings of the antinociceptive activities (writhing and hot plate tests) demonstrated that the Ag-amoxi conjugates produced fewer writhing (15 in 20 s) and a shorter latency time of 22 s as compared to vehicle-treated (tramadol) animals, amoxicillin, and P.E at much lower doses. In vitro antioxidant studies revealed that the Ag-amoxi conjugate has the potential to be used as an antioxidant with an IC50 value of 43.58, compared with AgNPs (46.34), amoxicillin (58.17), compared to the standard of ascorbic acid (34.14). Conclusion These results reveals that these biologically inspired AgNPs and Ag-amoxi conjugate could be used to improve antibiotic efficiency and could play a critical role in addressing the multidrug resistance problem in coming years.
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Affiliation(s)
- Kamran Jalil
- Department of Chemistry, Islamia College, Peshawar, 25120, Khyber, Pakhtunkhwa, Pakistan
| | - Shabir Ahmad
- Department of Chemistry, Islamia College, Peshawar, 25120, Khyber, Pakhtunkhwa, Pakistan
| | - Nazar Ul Islam
- Department of Pharmacy, Sarhad University of Science & Information Technology, Peshawar, Khyber, Pakhtunkhwa, Pakistan
| | - Sayyar Muhammad
- Department of Chemistry, Islamia College, Peshawar, 25120, Khyber, Pakhtunkhwa, Pakistan
| | - Qudsia Jalil
- Department of Chemistry, Islamia College, Peshawar, 25120, Khyber, Pakhtunkhwa, Pakistan
| | - Asad Ali
- Energy Engineering, Division of Energy Science, Lulea University of Technology, 97187, Lulea, Sweden
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Saifuddin NN, Matussin SN, Fariduddin Q, Khan MM. Potentials of roots, stems, leaves, flowers, fruits, and seeds extract for the synthesis of silver nanoparticles. Bioprocess Biosyst Eng 2024; 47:1119-1137. [PMID: 38904717 DOI: 10.1007/s00449-024-03044-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Accepted: 06/06/2024] [Indexed: 06/22/2024]
Abstract
Silver nanoparticles (AgNPs) have gained significant attention in various applications due to their unique properties that differ from bulk or macro-sized counterparts. In the advancement of nanotechnology, a reliable, non-toxic, and eco-friendly green synthesis has widely been developed as an alternative method for the production of AgNPs, overcoming limitations associated with the traditional physical and chemical methods. Green synthesis of AgNPs involves the utilization of biological sources including plant extracts with silver salt as the precursor. The potential of phytochemicals in plant extracts serves as a reducing/capping and stabilizing agent to aid in the bio-reduction of Ag+ ions into a stable nanoform, Ag0. This review provides insights into the potentials of various plant parts like root, stem, leaf, flower, fruit, and seed extracts that have been extensively reported for the synthesis of AgNPs.
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Affiliation(s)
- Nurul Nazirah Saifuddin
- Chemical Sciences, Faculty of Science, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong, BE, 1410, Brunei Darussalam
| | - Shaidatul Najihah Matussin
- Chemical Sciences, Faculty of Science, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong, BE, 1410, Brunei Darussalam
| | - Qazi Fariduddin
- Plant Physiology and Biochemistry Section, Department of Botany, Faculty of Life Sciences, Aligarh Muslim University, Aligarh, 202002, India
| | - Mohammad Mansoob Khan
- Chemical Sciences, Faculty of Science, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong, BE, 1410, Brunei Darussalam.
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4
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Ghaffar N, Javad S, Shah AA, Ilyas S, Hashem A, Avila-Quezada GD, Abd_Allah EF, Tariq A. Restoration of Antibacterial Activity of Inactive Antibiotics via Combined Treatment with AgNPs. ACS OMEGA 2024; 9:13621-13635. [PMID: 38559985 PMCID: PMC10976371 DOI: 10.1021/acsomega.3c07000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 02/15/2024] [Accepted: 02/29/2024] [Indexed: 04/04/2024]
Abstract
Antimicrobial resistance poses a huge threat to human health around the world and calls for novel treatments. Combined formulations of NPs and antibiotics have emerged as a viable nanoplatform for combating bacterial resistance. The present research work was performed to investigate the effect of combined formulations of AgNPs with streptomycin, cefaclor, ciprofloxacin, and trimethoprim against multidrug-resistant (MDR) isolates of Staphylococcus aureus and Klebsiella pneumoniae. AgNPs have been synthesized by using the Nigella sativa seed extract, and their characteristics were analyzed. AgNPs depicted concentration-dependent antibacterial effects, as the highest concentration of AgNPs showed the strongest antibacterial activity. Interestingly, AgNPs in conjugation with antibiotics showed an enhanced antibacterial potential against both S. aureus and K. pneumoniae, which suggested synergism between the AgNPs and antibiotics. Against S. aureus, streptomycin and trimethoprim in conjugation with AgNPs presented a synergistic effect, while cefaclor and ciprofloxacin in combination with AgNPs showed an additive effect. However, all of the tested antibiotics depicted a synergistic effect against K. pneumoniae. The lowest value of MIC (0.78 μg/mL) was shown by AgNPs-Stp against S. aureus, whereas AgNPs-Tmp showed the lowest value of MIC (1.56 μg/mL) against K. pneumoniae. The most important point of the present study is that both organisms (S. aureus and K. pneumoniae) showed resistance to antibiotics but turned out to be highly susceptible when the same antibiotic was used in combination with AgNPs. These findings highlight the potential of nanoconjugates (the AgNPs-antibiotic complex) to mitigate the present-day crisis of antibiotic resistance and to combat antimicrobial infections efficiently.
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Affiliation(s)
- Nadia Ghaffar
- Dept.
of Botany, Lahore College for Women University, Lahore 54000, Pakistan
| | - Sumera Javad
- Dept.
of Botany, Lahore College for Women University, Lahore 54000, Pakistan
| | - Anis Ali Shah
- Dept.
of Botany, Division of Science and Technology, University of Education, Lahore 54770, Pakistan
| | - Saiqa Ilyas
- Dept.
of Biotechnology, Lahore College for Women
University, Lahore 44444, Pakistan
| | - Abeer Hashem
- Botany
and Microbiology Department, College of Science, King Saud University, P.O. Box. 2460, Riyadh 11451, Saudi Arabia
| | | | - Elsayed Fathi Abd_Allah
- Plant Production
Department, College of Food and Agricultural Sciences, King Saud University,
P.O. Box 2460, Riyadh 11451, Saudi Arabia
| | - Amina Tariq
- Dept.
of Botany, Lahore College for Women University, Lahore 54000, Pakistan
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Sadeghi S, Agharazi F, Hosseinzadeh SA, Mashayekhi M, Saffari Z, Shafiei M, Nader Shahrokhi, Ebrahimi-Rad M, Sadeghi M. Gold nanoparticle conjugation enhances berberine's antibacterial activity against methicillin-resistant Staphylococcus aureus (MRSA). Talanta 2024; 268:125358. [PMID: 37918244 DOI: 10.1016/j.talanta.2023.125358] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 10/14/2023] [Accepted: 10/26/2023] [Indexed: 11/04/2023]
Abstract
Nanoparticle (NP) conjugation with various biomolecules is one of the most promising approaches for targeting Methicillin-resistant Staphylococcus aureus (MRSA). In this study, berberine (BER) was conjugated with gold nanoparticles (AuNPs) to enhance its antibacterial activity against MRSA. Chemically synthesized AuNPs were characterized by UV-vis spectroscopy, size distribution and Field Emission-Scanning Electron Microscope (FE-SEM) analysis. Berberine was conjugated with AuNPs and the conjugants were characterized using UV-vis spectroscopy and Fourier Transform Infrared (FTIR). The cytotoxicity of free and conjugated BER was also investigated. Comparative studies were conducted based on the Minimum Inhibitory Concentration (MIC) and anti-biofilm activities of conjugants and free BER against MRSA isolates. To verify cell membrane disruption and intracellular imbalance following treatment exposure, reactive oxygen species (ROS) and live-dead staining experiments were performed. In vivo antibacterial efficacy of treated groups was also assessed in a BALB/c mouse-infected skin model. DLS measurement, FE-SEM, and UV-vis spectroscopy confirmed the synthesis of AuNPs with a narrow size distribution of 49.38 nm and a zeta potential of -31.9 mV. The results from UV-vis spectroscopy and FTIR provided support for the functionalization of AuNPs by BER functional groups. The In vitro antibacterial results demonstrated that the conjugated BER exhibited a lower MIC value against MRSA (109.5 μg/ml) compared to free BER (165 μg/ml). Free and conjugated BER, at their MIC concentrations, demonstrated anti-biofilm activity, resulting in biofilm eradication of 13.9 and 22.33 %, respectively. The highest level of ROS production (93 %) was associated with the conjugated BER at a concentration of 27.37 μg/ml. This finding indicates a disruption in cell membrane integrity and a reduction in bacterial viability, as demonstrated by ROS and live/dead staining assays. The cytotoxicity study on the mouse L929 fibroblast cell line revealed approximately 100 % cell viability when exposed to free or conjugated BER at their MIC concentration. This result indicates the biosafety of both of the compounds. The in vivo study in the infected skin model groups treated with conjugated and free BER revealed MRSA survival rate of 2.7 % and 26 %, respectively. These findings suggest that conjugated BER could be an effective nanoformulation candidate with a potential role in managing MRSA associated infections.
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Affiliation(s)
- Somayeh Sadeghi
- Department of Molecular Biology, Pasteur Institute of Iran, Tehran, Iran.
| | - Fatemeh Agharazi
- Department of Molecular Biology, Pasteur Institute of Iran, Tehran, Iran
| | - Sara Ali Hosseinzadeh
- Nanobiotechnology Department, New Technologies Research Group, Pasteur Institute of Iran, Tehran, Iran
| | - Mohammad Mashayekhi
- Department of Chemical and Petrochemical Engineering, Sharif University of Technology, Tehran, Iran
| | - Zahra Saffari
- Nanobiotechnology Department, New Technologies Research Group, Pasteur Institute of Iran, Tehran, Iran
| | - Morvarid Shafiei
- Department of bacteriology, Pasteur Institute of Iran, Tehran, Iran
| | - Nader Shahrokhi
- Department of Molecular Biology, Pasteur Institute of Iran, Tehran, Iran
| | | | - Mahdi Sadeghi
- Nanobiotechnology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran.
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Thakkar AB, Subramanian R, Thakkar VR, Bhatt SV, Chaki S, Vaidya YH, Patel V, Thakor P. Apoptosis induction capability of silver nanoparticles capped with Acorus calamus L. and Dalbergia sissoo Roxb. Ex DC. against lung carcinoma cells. Heliyon 2024; 10:e24400. [PMID: 38304770 PMCID: PMC10831608 DOI: 10.1016/j.heliyon.2024.e24400] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 01/02/2024] [Accepted: 01/08/2024] [Indexed: 02/03/2024] Open
Abstract
Silver nanoparticles (AgNPs) were prepared using a one-step reduction of silver nitrate (AgNO3) with sodium borohydride (NaBH4) in the presence of polyvinylpyrrolidone (PVP) as a capping agent. Plant extracts from D. sissoo (DS) and A. calamus L. (AC) leaves were incorporated during the synthesis process. The crystalline nature of the AgNPs was confirmed through X-ray diffraction (XRD), confirming the face-centered cubic structure, with a lattice constant of 4.08 Å and a crystallite size of 18 nm. Field Emission Gun Transmission Electron Microscopy (FEG-TEM) revealed spherical AgNPs (10-20 nm) with evident PVP adsorption, leading to size changes and agglomeration. UV-Vis spectra showed a surface plasmon resonance (SPR) band at 417 nm for AgNPs and a redshift to 420 nm for PVP-coated AgNPs, indicating successful synthesis. Fourier Transform Infrared Spectroscopy (FTIR) identified functional groups and drug-loaded samples exhibited characteristic peaks, confirming effective drug loading. The anti-cancer potential of synthesized NPs was assessed by MTT assay in human adenocarcinoma lung cancer (A549) and lung normal cells (WI-38) cells. IC50 values for all three NPs (AgPVP NPs, DS@AgPVP NPs, and AC@AgPVP NPs) were 41.60 ± 2.35, 14.25 ± 1.85, and 21.75 ± 0.498 μg/ml on A549 cells, and 420.69 ± 2.87, 408.20 ± 3.41, and 391.80 ± 1.55 μg/ml respectively. Furthermore, the NPs generated Reactive Oxygen Species (ROS) and altered the mitochondrial membrane potential (MMP). Differential staining techniques were used to investigate the apoptosis-inducing properties of the three synthesized NPs. The colony formation assay indicated that nanoparticle therapy prevented cancer cell invasion. Finally, Real-Time PCR (RT-PCR) analysis predicted the expression pattern of many apoptosis-related genes (Caspase 3, 9, and 8).
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Affiliation(s)
- Anjali B. Thakkar
- P. G. Department of Biosciences, Sardar Patel Maidan, Satellite Campus, Sardar Patel University, Bakrol-Vadtal Road, Bakrol, Anand, Gujarat, India
- P. G. Department of Applied and Interdisciplinary Sciences (IICISST), Sardar Patel University, Vallabh Vidyanagar, Gujrat, India
| | - R.B. Subramanian
- P. G. Department of Biosciences, Sardar Patel Maidan, Satellite Campus, Sardar Patel University, Bakrol-Vadtal Road, Bakrol, Anand, Gujarat, India
| | - Vasudev R. Thakkar
- P. G. Department of Biosciences, Sardar Patel Maidan, Satellite Campus, Sardar Patel University, Bakrol-Vadtal Road, Bakrol, Anand, Gujarat, India
| | - Sandip V. Bhatt
- P. G. Department of Applied and Interdisciplinary Sciences (IICISST), Sardar Patel University, Vallabh Vidyanagar, Gujrat, India
| | - Sunil Chaki
- P. G. Department of Applied and Interdisciplinary Sciences (IICISST), Sardar Patel University, Vallabh Vidyanagar, Gujrat, India
- Department of Physics, Sardar Patel University, Vallabh Vidyanagar, Gujrat, India
| | - Yati H. Vaidya
- Department of Microbiology, Shri Alpesh N. Patel Post Graduate Institute of Science and Research, Anand, Gujarat, 388120, India
| | - Vikas Patel
- Sophisticated Instrumentation Centre for Applied Research & Testing (SICART), Vallabh Vidyanagar, Anand, Gujarat, 388120, India
| | - Parth Thakor
- Bapubhai Desaibhai Patel Institute of Paramedical Sciences, Charotar University of Science and Technology, Changa, Gujarat, India
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7
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Gong X, Jadhav ND, Lonikar VV, Kulkarni AN, Zhang H, Sankapal BR, Ren J, Xu BB, Pathan HM, Ma Y, Lin Z, Witherspoon E, Wang Z, Guo Z. An overview of green synthesized silver nanoparticles towards bioactive antibacterial, antimicrobial and antifungal applications. Adv Colloid Interface Sci 2024; 323:103053. [PMID: 38056226 DOI: 10.1016/j.cis.2023.103053] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 11/06/2023] [Accepted: 11/21/2023] [Indexed: 12/08/2023]
Abstract
Present review emphatically introduces the synthesis, biocompatibility, and applications of silver nanoparticles (AgNPs), including their antibacterial, antimicrobial, and antifungal properties. A comprehensive discussion of various synthesis methods for AgNPs, with a particular focus on green chemistry mediated by plant extracts has been made. Recent research has revealed that the optical properties of AgNPs, including surface plasmon resonance (SPR), depend on the particle size, as well as the synthesis methods, preparation synthesis parameters, and used reducing agents. The significant emphasis on the use of synthesized AgNPs as antibacterial, antimicrobial, and antifungal agents in various applications has been reviewed. Furthermore, the application areas have been thoroughly examined, providing a detailed discussion of the underlying mechanisms, which aids in determining the optimal control parameters during the synthesis process of AgNPs. Furthermore, the challenges encountered while utilizing AgNPs and the corresponding advancements to overcome them have also been addressed. This review not only summarizes the achievements and current status of plant-mediated green synthesis of AgNPs but also explores the future prospects of these materials and technology in diverse areas, including bioactive applications.
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Affiliation(s)
- Xianyun Gong
- School of Food Engineering, Department of Chemistry, Harbin University, Harbin 150086, China
| | - Nilesh D Jadhav
- Department of Physics, NTVS's G. T. Patil Arts, Commerce and Science College, Nandurbar 425412 (M.S.), India
| | - Vishal V Lonikar
- Department of Physics, MET's Bhujbal Academy of Science and Commerce, Nashik 422003 (M.S.), India
| | - Anil N Kulkarni
- Department of Physics, NTVS's G. T. Patil Arts, Commerce and Science College, Nandurbar 425412 (M.S.), India.
| | - Hongkun Zhang
- School of Food Engineering, Department of Chemistry, Harbin University, Harbin 150086, China
| | - Babasaheb R Sankapal
- Department of Physics, Visvesvaraya National Institute of Technology, South Ambazari Road, Nagpur 440010 (M.S.), India
| | - Juanna Ren
- College of Materials Science and Engineering, Taiyuan University of Science and Technology, Taiyuan, 030024, China; Integrated Composites Lab, Department of Mechanical and Construction Engineering, Northumbria University, Newcastle Upon Tyne NE1 8ST, UK
| | - Ben Bin Xu
- Integrated Composites Lab, Department of Mechanical and Construction Engineering, Northumbria University, Newcastle Upon Tyne NE1 8ST, UK
| | - Habib M Pathan
- Department of Physics, Savitribai Phule Pune University, Pune 411 007, India.
| | - Yong Ma
- School of Material Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Zhiping Lin
- College of Materials Science and Engineering, Taizhou University, Taizhou, Zhejiang 318000, China
| | | | - Zhe Wang
- Chemistry Department, Oakland University, Rochester 48309, USA.
| | - Zhanhu Guo
- Integrated Composites Lab, Department of Mechanical and Construction Engineering, Northumbria University, Newcastle Upon Tyne NE1 8ST, UK.
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Şirin MC, Cezaroğlu Y, Sesli Çetin E, Arıdoğan B, Trak D, Arslan Y. Antibacterial and antibiofilm efficacy of colistin & meropenem conjugated silver nanoparticles against Escherichia coli and Klebsiella pneumoniae. J Basic Microbiol 2023; 63:1397-1411. [PMID: 37821405 DOI: 10.1002/jobm.202300440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 08/29/2023] [Accepted: 09/24/2023] [Indexed: 10/13/2023]
Abstract
The progressive increase in infections caused by multidrug-resistant (MDR) Gram-negative bacteria and the emergence of resistance to last-resort antimicrobial drugs in recent years necessitate the development of new therapeutic strategies. This study was conducted to obtain nanostructured antimicrobials by conjugating colistin (COL) and meropenem (MEM) antibiotics with biosynthesized silver nanoparticles (bio-AgNPs) via the green synthesis method using Rosa damascena extract, and to investigate the antibacterial and antibiofilm activity of these nanostructures against Escherichia coli and Klebsiella pneumoniae strains. Ultraviolet-visible spectrophotometry, high-resolution-transmission electron microscopy, atomic force microscopy, X-ray diffraction, and Fourier transform-infrared spectroscopy analyses were performed to determine the physical and chemical properties of synthesized bio-AgNPs, COL@bio-AgNPs, MEM@bio-AgNPs, and COL&MEM@bio-AgNPs. The minimum inhibitory concentration (MIC) and minimum bactericidal concentration of nanoparticles were determined on standard and MDR clinical strains. The antibiofilm efficacy and cytotoxic effect of nanoparticles were evaluated by the crystal violet dye method and 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide dye method, respectively. The characterization analyses demonstrated that the synthesized nanoparticles had crystal structure and spherical morphology (5.6-30.2 nm in size). Antibiotic conjugated nanoparticles exhibited better antimicrobial activity and lower MIC values (0.125-4 µg/mL) on the tested strains compared to free antibiotics, and MIC values were decreased up to 1024-fold (p < 0.05). Antibiotic conjugated nanoparticles were found to be more effective in biofilm eradication than free antibiotics and bio-AgNPs and had a less inhibitory effect on peripheral blood mononuclear cell viability. The findings revealed that antibiotic-conjugated nanoparticles have the potential to be used as an effective antimicrobial drug against MDR E. coli and K. pneumoniae strains.
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Affiliation(s)
- M Cem Şirin
- Department of Medical Microbiology, Faculty of Medicine, Suleyman Demirel University, Isparta, Turkey
| | - Yasemin Cezaroğlu
- Department of Medical Microbiology, Faculty of Medicine, Suleyman Demirel University, Isparta, Turkey
| | - E Sesli Çetin
- Department of Medical Microbiology, Faculty of Medicine, Suleyman Demirel University, Isparta, Turkey
| | - Buket Arıdoğan
- Department of Medical Microbiology, Faculty of Medicine, Suleyman Demirel University, Isparta, Turkey
| | - Diğdem Trak
- Department of Nanoscience and Nanotechnology, Faculty of Science and Literature, Burdur Mehmet Akif Ersoy University, Burdur, Turkey
| | - Yasin Arslan
- Department of Nanoscience and Nanotechnology, Faculty of Science and Literature, Burdur Mehmet Akif Ersoy University, Burdur, Turkey
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Ali F, Ali S, Shahbaz S, Summer M, Mazhar Ali N, Adeel Farooq M, Tanveer T, Hassan A, Abdullah Shakir H. Bactericidal and Antioxidant Potential of Moringa oleifera Capped Silver Nanoparticles under Varied Conditions. ChemistrySelect 2023; 8. [DOI: 10.1002/slct.202301889] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Accepted: 10/27/2023] [Indexed: 08/04/2024]
Abstract
AbstractMicrobial infections have consistently been identified as one of the major threats to global health. In this regard, the current study was designed to synthesize and evaluate the antibacterial activity of Mo‐AgNPs at various concentrations (2, 4, and 8 mg/mL), temperatures (4 °C, 25 °C, 37 °C, and 85 °C) and pH (4, 7, and 11) against Gram‐negative bacteria (Escherichia coli, Pseudomonas aeruginosa, Klebsiella pneumoniae, Aeromonas veronii) and Gram‐positive bacteria (Staphylococcus aureus, Bacillus subtilis) by the well diffusion method as well as antioxidant potential using DPPH assay at 2 mg/mL and 4 mg/mL. Fabrication of Mo‐AgNPs was authenticated by UV–visible spectroscopy (UV–Vis), Fourier transform infrared spectroscopy (FTIR), Scanning electron microscopy (SEM), and X‐ray diffraction (XRD). Mo‐AgNPs produced a significant zone of growth inhibition (21.0±0.3 mm) against B. subtilis at 8 mg/mL. At 25 °C, a significant zone of growth inhibition (21.0±0.8 mm) was measured against E. coli. Similarly, at pH 4, Mo‐AgNPs showed significantly highest growth inhibition zones of 12.0±7.5 mm, 12.0±6.3 mm, and 12.0±9.8 mm against P. aeruginosa, K. pneumoniae, and A. veronii, respectively. The present study results indicated that Mo‐AgNPs are stable under varied conditions. Significant free radical scavenging activity (82±0.5 %) of Mo‐AgNPs at 4 mg/mL was observed, which revealed the antioxidant potential of the Mo‐AgNPs.
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Affiliation(s)
- Fareha Ali
- Applied Entomology and Medical Toxicology and Laboratory Department of Zoology Government College University Lahore Pakistan
| | - Shaukat Ali
- Applied Entomology and Medical Toxicology and Laboratory Department of Zoology Government College University Lahore Pakistan
| | - Sana Shahbaz
- Department of Biology Lahore Garrison University Lahore Pakistan
| | - Muhammad Summer
- Applied Entomology and Medical Toxicology and Laboratory Department of Zoology Government College University Lahore Pakistan
| | - Nazish Mazhar Ali
- Applied Entomology and Medical Toxicology and Laboratory Department of Zoology Government College University Lahore Pakistan
| | - Muhammad Adeel Farooq
- Applied Entomology and Medical Toxicology and Laboratory Department of Zoology Government College University Lahore Pakistan
| | - Tahreem Tanveer
- Applied Entomology and Medical Toxicology and Laboratory Department of Zoology Government College University Lahore Pakistan
| | - Ali Hassan
- Applied Entomology and Medical Toxicology and Laboratory Department of Zoology Government College University Lahore Pakistan
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10
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Adil M, Alam S, Amin U, Ullah I, Muhammad M, Ullah M, Rehman A, Khan T. Efficient green silver nanoparticles-antibiotic combinations against antibiotic-resistant bacteria. AMB Express 2023; 13:115. [PMID: 37848594 PMCID: PMC10581974 DOI: 10.1186/s13568-023-01619-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Accepted: 10/03/2023] [Indexed: 10/19/2023] Open
Abstract
Antibiotic-resistant bacterial strains and the consequent surge in infections caused by them have become major public health concerns. Silver nanoparticles (AgNPs) exhibit antibacterial properties and have wide applications in biomedical sciences. In this study, AgNPs were synthesized in the presence of antibiotics: Ceftazidime (Cft), Cefotaxime (Cef), Ceftriaxone (Cfx), and Cefepime (Cpm), along with the extract of Mentha longifolia. Mentha longifolia-based AgNPs were kept as the control for all experiments. The associated metabolites, structural properties, surface charges, and antibacterial activity of the AgNPs were also evaluated. Overall, a blue-shift of SPR peaks was observed for control AgNPs (λmax = 421 nm, 422 nm, 426 nm, and 406 nm for Cft-AgNPs, Cef-AgNPs, Cfx-AgNPs, and Cpm-AgNPs, respectively), compared to the control (λmax = 438 nm). Fourier-transform infrared spectroscopy showed that antibiotic-based AgNPs had distinct peaks that corresponded to the respective antibiotics, which were not observed in the control. XRD analysis showed that there were observed changes in crystallinity in antibiotic-based AgNPs compared to the control. TEM images revealed that all samples had spherical nanoparticles with different sizes and distributions compared to the control. The Zeta potential for extract-based AgNPs was - 33.6 mV, compared to -19.6 mV for Cft-AgNPs, -2 mV for Cef-AgNPs, -21.1 mV for Cfx-AgNPs, and - 24.2 mV for Cpm-AgNPs. The increase in the PDI value for antibiotic-based AgNPs also showed a highly polydisperse distribution. However, the antibiotic-AgNPs conjugates showed significantly higher activity against pathogenic bacteria. The addition of antibiotics to AgNPs brought significant changes in structural properties and antibacterial activities.
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Affiliation(s)
- Muhammad Adil
- Department of Biotechnology, University of Malakand, Chakdara, 18800, Dir Lower, Pakistan
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety and CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing, China
| | - Siyab Alam
- Department of Biotechnology, University of Malakand, Chakdara, 18800, Dir Lower, Pakistan
| | - Urooj Amin
- Department of Biotechnology, University of Malakand, Chakdara, 18800, Dir Lower, Pakistan
| | - Irfan Ullah
- Department of Biotechnology, University of Malakand, Chakdara, 18800, Dir Lower, Pakistan
| | - Mian Muhammad
- Department of Chemistry, University of Malakand, Chakdara, 18800, Dir Lower, Pakistan
| | - Muti Ullah
- Institute of Pathology and Diagnostic Medicine, Khyber Medical University, Peshawar, Pakistan
| | - Asma Rehman
- Nanobiotechnology Group, Industrial Biotechnology Division, National Institute for Biotechnology and Genetic Engineering (NIBGE), Faisalabad, Punjab, Pakistan
| | - Tariq Khan
- Department of Biotechnology, University of Malakand, Chakdara, 18800, Dir Lower, Pakistan.
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11
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Kaiser KG, Delattre V, Frost VJ, Buck GW, Phu JV, Fernandez TG, Pavel IE. Nanosilver: An Old Antibacterial Agent with Great Promise in the Fight against Antibiotic Resistance. Antibiotics (Basel) 2023; 12:1264. [PMID: 37627684 PMCID: PMC10451389 DOI: 10.3390/antibiotics12081264] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 07/21/2023] [Accepted: 07/27/2023] [Indexed: 08/27/2023] Open
Abstract
Antibiotic resistance in bacteria is a major problem worldwide that costs 55 billion USD annually for extended hospitalization, resource utilization, and additional treatment expenditures in the United States. This review examines the roles and forms of silver (e.g., bulk Ag, silver salts (AgNO3), and colloidal Ag) from antiquity to the present, and its eventual incorporation as silver nanoparticles (AgNPs) in numerous antibacterial consumer products and biomedical applications. The AgNP fabrication methods, physicochemical properties, and antibacterial mechanisms in Gram-positive and Gram-negative bacterial models are covered. The emphasis is on the problematic ESKAPE pathogens and the antibiotic-resistant pathogens of the greatest human health concern according to the World Health Organization. This review delineates the differences between each bacterial model, the role of the physicochemical properties of AgNPs in the interaction with pathogens, and the subsequent damage of AgNPs and Ag+ released by AgNPs on structural cellular components. In closing, the processes of antibiotic resistance attainment and how novel AgNP-antibiotic conjugates may synergistically reduce the growth of antibiotic-resistant pathogens are presented in light of promising examples, where antibiotic efficacy alone is decreased.
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Affiliation(s)
- Kyra G. Kaiser
- Department of Physical and Environmental Sciences, Texas A&M University Corpus Christi, 6300 Ocean Drive, Corpus Christi, TX 78412, USA; (K.G.K.); (V.D.); (G.W.B.)
- Department of Life Sciences, Texas A&M University Corpus Christi, 6300 Ocean Drive, Corpus Christi, TX 78412, USA
| | - Victoire Delattre
- Department of Physical and Environmental Sciences, Texas A&M University Corpus Christi, 6300 Ocean Drive, Corpus Christi, TX 78412, USA; (K.G.K.); (V.D.); (G.W.B.)
- Department of Life Sciences, Texas A&M University Corpus Christi, 6300 Ocean Drive, Corpus Christi, TX 78412, USA
| | - Victoria J. Frost
- Department of Chemistry, Physics, Geology and the Environment, Winthrop University, 701 Oakland Avenue, Rock Hill, SC 29733, USA; (V.J.F.); (J.V.P.)
- Department of Biology, Winthrop University, 701 Oakland Avenue, Rock Hill, SC 29733, USA
| | - Gregory W. Buck
- Department of Physical and Environmental Sciences, Texas A&M University Corpus Christi, 6300 Ocean Drive, Corpus Christi, TX 78412, USA; (K.G.K.); (V.D.); (G.W.B.)
- Department of Life Sciences, Texas A&M University Corpus Christi, 6300 Ocean Drive, Corpus Christi, TX 78412, USA
| | - Julianne V. Phu
- Department of Chemistry, Physics, Geology and the Environment, Winthrop University, 701 Oakland Avenue, Rock Hill, SC 29733, USA; (V.J.F.); (J.V.P.)
- Department of Biology, Winthrop University, 701 Oakland Avenue, Rock Hill, SC 29733, USA
| | - Timea G. Fernandez
- Department of Chemistry, Physics, Geology and the Environment, Winthrop University, 701 Oakland Avenue, Rock Hill, SC 29733, USA; (V.J.F.); (J.V.P.)
- Department of Biology, Winthrop University, 701 Oakland Avenue, Rock Hill, SC 29733, USA
| | - Ioana E. Pavel
- Department of Physical and Environmental Sciences, Texas A&M University Corpus Christi, 6300 Ocean Drive, Corpus Christi, TX 78412, USA; (K.G.K.); (V.D.); (G.W.B.)
- Department of Life Sciences, Texas A&M University Corpus Christi, 6300 Ocean Drive, Corpus Christi, TX 78412, USA
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12
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Macovei I, Luca SV, Skalicka-Woźniak K, Horhogea CE, Rimbu CM, Sacarescu L, Vochita G, Gherghel D, Ivanescu BL, Panainte AD, Nechita C, Corciova A, Miron A. Silver Nanoparticles Synthesized from Abies alba and Pinus sylvestris Bark Extracts: Characterization, Antioxidant, Cytotoxic, and Antibacterial Effects. Antioxidants (Basel) 2023; 12:antiox12040797. [PMID: 37107172 PMCID: PMC10135277 DOI: 10.3390/antiox12040797] [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: 02/01/2023] [Revised: 03/10/2023] [Accepted: 03/18/2023] [Indexed: 04/29/2023] Open
Abstract
In recent years, phytofunctionalized AgNPs have attracted great interest due to their remarkable biological activities. In the present study, AgNPs were synthesized using Abies alba and Pinus sylvestris bark extracts. The chemical profile of these bark extracts was analyzed by LC-HRMS/MS. As a first step, the synthesis parameters (pH, AgNO3 concentration, ratio of bark extract and AgNO3, temperature, and reaction time) were optimized. The synthesized AgNPs were characterized by ATR-FTIR spectroscopy, DLS, SEM, EDX, and TEM. Their antioxidant, cytotoxic, and antibacterial properties were evaluated by the DPPH, ABTS, MTT, and broth microdilution assays, respectively. Abies alba and Pinus sylvestris bark extract-derived AgNPs were well-dispersed, spherical, small (average particle size of 9.92 and 24.49 nm, respectively), stable (zeta potential values of -10.9 and -10.8 mV, respectively), and cytotoxic to A-375 human malignant melanoma cells (IC50 = 2.40 ± 0.21 and 6.02 ± 0.61 μg/mL, respectively). The phytosynthesized AgNPs also showed antioxidant and antibacterial effects.
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Affiliation(s)
- Irina Macovei
- Faculty of Pharmacy, Grigore T. Popa University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Simon Vlad Luca
- Biothermodynamics, TUM School of Life Sciences, Technical University of Munich, D-85354 Freising, Germany
| | | | - Cristina Elena Horhogea
- Department of Public Health, Ion Ionescu de la Brad University of Life Sciences, 700489 Iasi, Romania
| | - Cristina Mihaela Rimbu
- Department of Public Health, Ion Ionescu de la Brad University of Life Sciences, 700489 Iasi, Romania
| | - Liviu Sacarescu
- Petru Poni Institute of Macromolecular Chemistry, 700487 Iasi, Romania
| | - Gabriela Vochita
- NIRDBS, Institute of Biological Research Iasi, 700107 Iasi, Romania
| | - Daniela Gherghel
- NIRDBS, Institute of Biological Research Iasi, 700107 Iasi, Romania
| | - Bianca Laura Ivanescu
- Faculty of Pharmacy, Grigore T. Popa University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Alina Diana Panainte
- Faculty of Pharmacy, Grigore T. Popa University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Constantin Nechita
- Marin Dracea National Institute for Research and Development in Forestry, 725100 Campulung Moldovenesc, Romania
| | - Andreia Corciova
- Faculty of Pharmacy, Grigore T. Popa University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Anca Miron
- Faculty of Pharmacy, Grigore T. Popa University of Medicine and Pharmacy, 700115 Iasi, Romania
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13
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Patel A. Metal nanoparticles produced by plants with antibacterial properties against Staphylococcus aureus. BRAZ J BIOL 2023; 82:e268052. [PMID: 36888798 DOI: 10.1590/1519-6984.268052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 12/15/2022] [Indexed: 03/08/2023] Open
Abstract
Staphylococcus aureus (S. aureus) is a pathogenic bacteria that causes a variety of potentially fatal infections. The emergence of antibiotic-resistant strains of S. aureus has made treatment even more difficult. In recent years, nanoparticles have been used as an alternative therapeutic agent for S. aureus infections. Among various methods for the synthesis of nanoparticles, the method utilizing plant extracts from different parts of a plant, such as root, stem, leaf, flower, seeds, etc. is gaining widespread usage. Phytochemicals present in plant extract are an inexpensive, eco-friendly, natural material that act as reducing and stabilization agent for the nanoparticle synthesis. The utilization of plant-fabricated nanoparticles against S. aureus is currently in trend. The current review discusses recent findings in the therapeutic application of phytofabricated metal-based nanoparticles against Staphylococcus aureus.
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Affiliation(s)
- A Patel
- King Khalid University, College of Medicine, Department of Clinical Biochemistry, Abha, Kingdom of Saudi Arabia
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14
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Shahzadi T, Iqbal S, Riaz T, Zaib M. A comparative study based on localized surface plasmon resonance optical characteristics of green synthesized nanoparticles towards spectrophotometric determination of cupric ions. JOURNAL OF TAIBAH UNIVERSITY FOR SCIENCE 2022. [DOI: 10.1080/16583655.2022.2123206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Affiliation(s)
- Tayyaba Shahzadi
- Department of Chemistry, Government College Women University, Sialkot, Pakistan
| | - Shazia Iqbal
- Department of Chemistry, Government College Women University, Sialkot, Pakistan
| | - Tauheeda Riaz
- Department of Chemistry, Government College Women University, Sialkot, Pakistan
| | - Maria Zaib
- Department of Chemistry, University of Jhang, Jhang, Pakistan
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15
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Shahabadi N, Zendehcheshm S, Khademi F. Exploring the ct-DNA and plasmid DNA binding affinity of the biogenic synthesized Chloroxine-conjugated silver nanoflowers: Spectroscopic and gel electrophoresis methods. Process Biochem 2022. [DOI: 10.1016/j.procbio.2022.07.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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16
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Characterization and Evaluation of Antimicrobial Potential of Trigonella incise (Linn) Mediated Biosynthesized Silver Nanoparticles. Molecules 2022; 27:molecules27144618. [PMID: 35889490 PMCID: PMC9315474 DOI: 10.3390/molecules27144618] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 07/15/2022] [Accepted: 07/15/2022] [Indexed: 12/13/2022] Open
Abstract
The goal of the research was to explore a new green method used to synthesize silver nanoparticles (Ag NPs) from an aqueous extract of Trigonella incise, which serves as a reducing and stabilizing agent. The obtained results showed an 85% yield of nanoparticles by using 2:5 (v/v) of 5% plant extract with a 0.5 M solution of AgNO3. Different techniques were used to characterize the synthesized Ag NPs, including X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM), and UV–visible spectroscopy. The UV–visible spectra of green synthesized silver nanoparticles showed maximum absorption at a wavelength of 440 nm. The FT-IR studies revealed the stretching oscillation frequency of synthesized silver nanoparticles in the absorption band near 860 cm−1. Similarly, the bending and stretching oscillation frequencies of the NH function group were assigned to the band in the 3226 cm−1 and 1647 cm−1 regions. The bending vibration of C-O at 1159 cm−1 confirmed the carbonyl functional group that was also assigned to the small intensity band in the range of 2361 cm−1. The X-ray diffraction analysis of Ag NPs revealed four distinct diffraction peaks at 2θ of 38°, 45°, 65° and 78°, corresponds to (111), (200), (220) and (311) of the face-centered cubic shape. The round shape morphology of Ag NPs with a mean diameter in the range 20–80 nm was analyzed via SEM images. Furthermore, the nanoparticles showed more significant antimicrobial activity against Salmonella typhi (S. typhi) and Staphylococcus aureus (S. aureus) with an inhibition zone of 21.5 mm and 20.5 mm at 6 μg/mL concentrations, respectively, once compared to the standard reference. At concentrations of 2 µg/mL and 4 µg/mL, all of the bacterial strains showed moderate activity, with inhibition zones ranging from 11 mm to 18.5 mm. Even at high concentrations of AgNPs, S. typhi showed maximum resistance. The best antifungal activity was observed by synthesized Ag NPs against Candida albicans (C. albicans) with 21 mm zone of inhibition, as compared to a standard drug which gives 22 mm of inhibition. Therefore, we conclude that the antibacterial and antifungal activities showed satisfactory results from the synthesized Ag NPs.
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17
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Kraskouski AN, Nikalaichuk VV, Hileuskaya KS, Kulikouskaya VI, Stepanova EA, Kuzminski II, Opavski N, Agabekov VE. Preparation and Properties of Complexes Based on Chitosan-Ag Nanocomposite and Cephalosporin Antibiotics. APPL BIOCHEM MICRO+ 2022. [DOI: 10.1134/s0003683822020120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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18
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Ghaffar N, Javad S, Farrukh MA, Shah AA, Gatasheh MK, Al-Munqedhi BMA, Chaudhry O. Metal nanoparticles assisted revival of Streptomycin against MDRS Staphylococcus aureus. PLoS One 2022; 17:e0264588. [PMID: 35324924 PMCID: PMC8947119 DOI: 10.1371/journal.pone.0264588] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Accepted: 02/06/2022] [Indexed: 11/18/2022] Open
Abstract
The ability of microorganisms to generate resistance outcompetes with the generation of new and efficient antibiotics. Therefore, it is critically required to develop novel antibiotic agents and treatments to control bacterial infections. Green synthesized metallic and metal oxide nanoparticles are considered as the potential means to target bacteria as an alternative to antibiotics. Nanoconjugates have also attracted attention because of their increased biological activity as compared to free antibiotics. In the present investigation, silver nanoparticles (AgNPs), zinc oxide nanoparticles (ZnO NPs), copper oxide nanoparticles (CuO NPs), and iron oxide nanoparticles (FeO NPs) have been synthesized by using leaf extract of Ricinus communis. Characterization of nanoparticles was done by using UV-Vis Spectroscopy, Fourier Transform Infrared Spectroscopy, Scanning Electron Microscopy, Energy Dispersive X-Ray Analyzer, X-ray Diffraction Analysis, and Dynamic Light Scattering Particle Size Analyzer. Interestingly, Streptomycin when combined with AgNPs, ZnO NPs, CuO NPs, and FeO NPs showed enhanced antibacterial activity against clinical isolates of S. aureus which suggested synergism between the nanoparticles and antibiotics. The highest enhanced antibacterial potential of Streptomycin was observed in conjugation with ZnO NPs (11 ± 0.5 mm) against S. aureus. Minimum inhibitory concentration of conjugates of AgNPs, ZnO NPs, CuO NPs, and FeO NPs with streptomycin against S. aureus was found to be 3.12, 2.5,10, and 12.5 μg/mL respectively. The considerable point of the present investigation is that S. aureus, which was resistant to streptomycin becomes highly susceptible to the same antibiotic when combined with nanoparticles. This particular observation opens up windows to mitigate the current crisis due to antibiotic resistance to combat antimicrobial infections efficiently.
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Affiliation(s)
- Nadia Ghaffar
- Department of Botany, Lahore College for Women University, Lahore, Pakistan
| | - Sumera Javad
- Department of Botany, Lahore College for Women University, Lahore, Pakistan
| | - Muhammad Akhyar Farrukh
- Department of Chemistry, Forman Christian College (A Chartered University), Lahore, Pakistan
| | - Anis Ali Shah
- Department of Botany, University of Education, Lahore, Pakistan
| | - Mansour K Gatasheh
- Department of Biochemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Bander M A Al-Munqedhi
- Department Botony and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
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19
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Fabrication of Ceftriaxone-Loaded Cellulose Acetate and Polyvinyl Alcohol Nanofibers and Their Antibacterial Evaluation. Antibiotics (Basel) 2022; 11:antibiotics11030352. [PMID: 35326815 PMCID: PMC8944567 DOI: 10.3390/antibiotics11030352] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 02/24/2022] [Accepted: 03/04/2022] [Indexed: 02/06/2023] Open
Abstract
Nanotechnology provides solutions by combining the fields of textiles and medicine to prevent infectious microbial spread. Our study aimed to evaluate the antimicrobial activity of nanofiber sheets incorporated with a well-known antibiotic, ceftriaxone. It is a third-generation antibiotic that belongs to the cephalosporin group. Different percentages (0, 5%, 10%, 15%, and 20%; based on polymer wt%) of ceftriaxone were incorporated with a polymer such as polyvinyl alcohol (PVA) via electrospinning to fabricate nanofiber sheets. The Kirby-Bauer method was used to evaluate the antimicrobial susceptibility of the nanofiber sheets using Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus). For the characterization of the nanofiber sheets incorporated with the drug, several techniques were used, such as Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), and scanning electron microscopy (SEM). Our results showed that the nanofiber sheets containing ceftriaxone had potential inhibitory activity against E. coli and S. aureus as they had inhibition zones of approximately 20–25 mm on Mueller-Hinton-agar-containing plates. In conclusion, our nanofiber sheets fabricated with ceftriaxone have potential inhibitory effects against bacteria and can be used as a dressing to treat wounds in hospitals and for other biomedical applications.
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20
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Khan F, Shariq M, Asif M, Siddiqui MA, Malan P, Ahmad F. Green Nanotechnology: Plant-Mediated Nanoparticle Synthesis and Application. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:673. [PMID: 35215000 PMCID: PMC8878231 DOI: 10.3390/nano12040673] [Citation(s) in RCA: 40] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Revised: 01/31/2022] [Accepted: 02/03/2022] [Indexed: 01/09/2023]
Abstract
The key pathways for synthesizing nanoparticles are physical and chemical, usually expensive and possibly hazardous to the environment. In the recent past, the evaluation of green chemistry or biological techniques for synthesizing metal nanoparticles from plant extracts has drawn the attention of many researchers. The literature on the green production of nanoparticles using various metals (i.e., gold, silver, zinc, titanium and palladium) and plant extracts is discussed in this study. The generalized mechanism of nanoparticle synthesis involves reduction, stabilization, nucleation, aggregation and capping, followed by characterization. During biosynthesis, major difficulties often faced in maintaining the structure, size and yield of particles can be solved by monitoring the development parameters such as temperature, pH and reaction period. To establish a widely accepted approach, researchers must first explore the actual process underlying the plant-assisted synthesis of a metal nanoparticle and its action on others. The green synthesis of NPs is gaining attention owing to its facilitation of the development of alternative, sustainable, safer, less toxic and environment-friendly approaches. Thus, green nanotechnology using plant extract opens up new possibilities for the synthesis of novel nanoparticles with the desirable characteristics required for developing biosensors, biomedicine, cosmetics and nano-biotechnology, and in electrochemical, catalytic, antibacterial, electronics, sensing and other applications.
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Affiliation(s)
- Faryad Khan
- Department of Botany, Aligarh Muslim University, Aligarh 202002, India; (F.K.); (M.S.); (M.A.S.)
| | - Mohammad Shariq
- Department of Botany, Aligarh Muslim University, Aligarh 202002, India; (F.K.); (M.S.); (M.A.S.)
| | - Mohd Asif
- Regional Ayurveda Research Institute, CCRAS, Ranikhet 263645, India;
| | - Mansoor Ahmad Siddiqui
- Department of Botany, Aligarh Muslim University, Aligarh 202002, India; (F.K.); (M.S.); (M.A.S.)
| | - Pieter Malan
- Unit for Environmental Sciences and Management, Mafikeng Campus, North-West University, Mmabatho 2735, South Africa;
| | - Faheem Ahmad
- Department of Botany, Aligarh Muslim University, Aligarh 202002, India; (F.K.); (M.S.); (M.A.S.)
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21
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Green Synthesis and Potential Antibacterial Applications of Bioactive Silver Nanoparticles: A Review. Polymers (Basel) 2022; 14:polym14040742. [PMID: 35215655 PMCID: PMC8879957 DOI: 10.3390/polym14040742] [Citation(s) in RCA: 68] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 02/08/2022] [Accepted: 02/12/2022] [Indexed: 12/25/2022] Open
Abstract
Green synthesis of silver nanoparticles (AgNPs) using biological resources is the most facile, economical, rapid, and environmentally friendly method that mitigates the drawbacks of chemical and physical methods. Various biological resources such as plants and their different parts, bacteria, fungi, algae, etc. could be utilized for the green synthesis of bioactive AgNPs. In recent years, several green approaches for non-toxic, rapid, and facile synthesis of AgNPs using biological resources have been reported. Plant extract contains various biomolecules, including flavonoids, terpenoids, alkaloids, phenolic compounds, and vitamins that act as reducing and capping agents during the biosynthesis process. Similarly, microorganisms produce different primary and secondary metabolites that play a crucial role as reducing and capping agents during synthesis. Biosynthesized AgNPs have gained significant attention from the researchers because of their potential applications in different fields of biomedical science. The widest application of AgNPs is their bactericidal activity. Due to the emergence of multidrug-resistant microorganisms, researchers are exploring the therapeutic abilities of AgNPs as potential antibacterial agents. Already, various reports have suggested that biosynthesized AgNPs have exhibited significant antibacterial action against numerous human pathogens. Because of their small size and large surface area, AgNPs have the ability to easily penetrate bacterial cell walls, damage cell membranes, produce reactive oxygen species, and interfere with DNA replication as well as protein synthesis, and result in cell death. This paper provides an overview of the green, facile, and rapid synthesis of AgNPs using biological resources and antibacterial use of biosynthesized AgNPs, highlighting their antibacterial mechanisms.
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22
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Steckiewicz KP, Cieciórski P, Barcińska E, Jaśkiewicz M, Narajczyk M, Bauer M, Kamysz W, Megiel E, Inkielewicz-Stepniak I. Silver Nanoparticles as Chlorhexidine and Metronidazole Drug Delivery Platforms: Their Potential Use in Treating Periodontitis. Int J Nanomedicine 2022; 17:495-517. [PMID: 35140461 PMCID: PMC8820264 DOI: 10.2147/ijn.s339046] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Accepted: 11/24/2021] [Indexed: 12/18/2022] Open
Abstract
Purpose Materials and Methods Results Conclusion
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Affiliation(s)
- Karol P Steckiewicz
- Department of Pharmaceutical Pathophysiology, Faculty of Pharmacy, Medical University of Gdansk, Gdansk, Poland
| | | | - Ewelina Barcińska
- Department of Pharmaceutical Pathophysiology, Faculty of Pharmacy, Medical University of Gdansk, Gdansk, Poland
| | - Maciej Jaśkiewicz
- Department of Inorganic Chemistry, Faculty of Pharmacy, Medical University of Gdansk, Gdansk, Poland
| | - Magdalena Narajczyk
- Laboratory of Electron Microscopy, Faculty of Biology, University of Gdansk, Gdansk, Poland
| | - Marta Bauer
- Department of Inorganic Chemistry, Faculty of Pharmacy, Medical University of Gdansk, Gdansk, Poland
| | - Wojciech Kamysz
- Department of Inorganic Chemistry, Faculty of Pharmacy, Medical University of Gdansk, Gdansk, Poland
| | | | - Iwona Inkielewicz-Stepniak
- Department of Pharmaceutical Pathophysiology, Faculty of Pharmacy, Medical University of Gdansk, Gdansk, Poland
- Correspondence: Iwona Inkielewicz-Stepniak Tel +48 58 349 1516Fax +48 58 349 1517 Email
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23
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Shahabadi N, Mahdavi M. Green synthesized silver nanoparticles obtained from Stachys schtschegleevii extract: ct-DNA interaction and in silico and in vitro investigation of antimicrobial activity. J Biomol Struct Dyn 2022; 41:2175-2188. [PMID: 35048781 DOI: 10.1080/07391102.2022.2028680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
The aim of this study was the synthesis of Ag nanoparticles (AgNPs) by using Stachys schtschegleevii extract and checking the composition, morphology and size of the green synthesized AgNPs using the analytical techniques (UV-vis, DLS, zeta potential, SEM-EDX, FT-IR and TEM). The TEM images of AgNPs represent a smooth surface and are spherical in shape with an average particle size of 31.43 nm. The antioxidant activities of green synthesized AgNPs were appraised by radical scavenging 1, 1-diphenyl-2-picrylhydrazyl test and the green synthesized AgNPs showed a strong ability to scavenge free radicals. In addition, AgNPs displayed a remarkable antibacterial and antifungal activity against various microorganisms. We employed molecular docking to investigate the AgNPs interaction with Dihydrofolate reductase (DHFR) of Escherichia coli, Staphylococcus aureus, and Candida albicans and there is a good agreement between molecular docking and our experimental results. The result of ct-DNA-AgNPs interaction demonstrated that AgNPs can bind to ct-DNA through partial intercalation binding mode.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Nahid Shahabadi
- Department of Inorganic Chemistry, Faculty of Chemistry, Razi University, Kermanshah, Iran.,Medical Biology Research Center (MBRC), Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mohammad Mahdavi
- Department of Inorganic Chemistry, Faculty of Chemistry, Razi University, Kermanshah, Iran
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Nguyen THA, Nguyen VC, Phan TNH, Le VT, Vasseghian Y, Trubitsyn MA, Nguyen AT, Chau TP, Doan VD. Novel biogenic silver and gold nanoparticles for multifunctional applications: Green synthesis, catalytic and antibacterial activity, and colorimetric detection of Fe(III) ions. CHEMOSPHERE 2022; 287:132271. [PMID: 34547560 DOI: 10.1016/j.chemosphere.2021.132271] [Citation(s) in RCA: 57] [Impact Index Per Article: 28.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 09/01/2021] [Accepted: 09/15/2021] [Indexed: 05/12/2023]
Abstract
In this study, novel biogenic silver (AgNPs) and gold nanoparticles (AuNPs) were developed using a green approach with Ganoderma lucidum (GL) extract. The optimization of synthesis conditions for the best outcomes was conducted. The prepared materials were characterized and their applicability in catalysis, antibacterial and chemical sensing was comprehensively evaluated. The GL-AgNPs crystals were formed in a spherical shape with an average diameter of 50 nm, while GL-AuNPs exhibited multi-shaped structures with sizes ranging from 15 to 40 nm. As a catalyst, the synthesized nanoparticles showed excellent catalytic activity (>98% in 9 min) and reusability (>95% after five recycles) in converting 4-nitrophenol to 4-aminophenol. As an antimicrobial agent, GL-AuNPs were low effective in inhibiting the growth of bacteria, while GL-AgNPs expressed strong antibacterial activity against all the tested strains. The highest growth inhibition activity of GL-AgNPs was observed against B. subtilis (14.58 ± 0.35 mm), followed by B. cereus (13.8 ± 0.52 mm), P. aeruginosa (12.38 ± 0.64 mm), E. coli (11.3 ± 0.72 mm), and S. aureus (10.41 ± 0.31 mm). Besides, GL-AgNPs also demonstrated high selectivity and sensitivity in the colorimetric detection of Fe3+ in aqueous solution with a detection limit of 1.85 nM. Due to the suitable thickness of the protective organic layer and the appropriate particle size, GL-AgNPs validated the triple role as a high-performance catalyst, antimicrobial agent, and nanosensor for environmental monitoring and remediation.
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Affiliation(s)
- Thi Hong Anh Nguyen
- Faculty of Chemical Engineering, Ho Chi Minh City University of Food Industry, 140 Le Trong Tan, Ho Chi Minh City, 70000, Viet Nam
| | - Van-Cuong Nguyen
- Faculty of Chemical Engineering, Industrial University of Ho Chi Minh City, Ho Chi Minh City, 70000, Viet Nam
| | - Thi Nhu Huynh Phan
- Faculty of Chemical Engineering, Industrial University of Ho Chi Minh City, Ho Chi Minh City, 70000, Viet Nam
| | - Van Thuan Le
- Center for Advanced Chemistry, Institute of Research and Development, Duy Tan University, 03 Quang Trung, Da Nang, 550000, Viet Nam; The Faculty of Environment and Natural Sciences, Duy Tan University, 03 Quang Trung, Da Nang, 550000, Viet Nam.
| | - Yasser Vasseghian
- Department of Chemical Engineering, Quchan University of Technology, Quchan, Iran.
| | | | - Anh-Tien Nguyen
- Faculty of Chemistry, Ho Chi Minh City University of Education, 280 An Duong Vuong, Ho Chi Minh City, 70000, Viet Nam
| | - Tan Phat Chau
- Institute of Applied Science & Technology, Van Lang University, Ho Chi Minh City, 700000, Viet Nam
| | - Van-Dat Doan
- Faculty of Chemical Engineering, Industrial University of Ho Chi Minh City, Ho Chi Minh City, 70000, Viet Nam.
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Macovei I, Luca SV, Skalicka-Woźniak K, Sacarescu L, Pascariu P, Ghilan A, Doroftei F, Ursu EL, Rimbu CM, Horhogea CE, Lungu C, Vochita G, Panainte AD, Nechita C, Corciova MA, Miron A. Phyto-Functionalized Silver Nanoparticles Derived from Conifer Bark Extracts and Evaluation of Their Antimicrobial and Cytogenotoxic Effects. Molecules 2021; 27:217. [PMID: 35011449 PMCID: PMC8746316 DOI: 10.3390/molecules27010217] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 12/24/2021] [Accepted: 12/27/2021] [Indexed: 11/16/2022] Open
Abstract
Silver nanoparticles synthesized using plant extracts as reducing and capping agents showed various biological activities. In the present study, colloidal silver nanoparticle solutions were produced from the aqueous extracts of Picea abies and Pinus nigra bark. The phenolic profile of bark extracts was analyzed by liquid chromatography coupled to mass spectrometry. The synthesis of silver nanoparticles was monitored using UV-Vis spectroscopy by measuring the Surface Plasmon Resonance band. Silver nanoparticles were characterized by attenuated total reflection Fourier transform infrared spectroscopy, Raman spectroscopy, dynamic light scattering, scanning electron microscopy, energy dispersive X-ray and transmission electron microscopy analyses. The antimicrobial and cytogenotoxic effects of silver nanoparticles were evaluated by disk diffusion and Allium cepa assays, respectively. Picea abies and Pinus nigra bark extract derived silver nanoparticles were spherical (mean hydrodynamic diameters of 78.48 and 77.66 nm, respectively) and well dispersed, having a narrow particle size distribution (polydispersity index values of 0.334 and 0.224, respectively) and good stability (zeta potential values of -10.8 and -14.6 mV, respectively). Silver nanoparticles showed stronger antibacterial, antifungal, and antimitotic effects than the bark extracts used for their synthesis. Silver nanoparticles obtained in the present study are promising candidates for the development of novel formulations with various therapeutic applications.
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Affiliation(s)
- Irina Macovei
- Faculty of Pharmacy, Grigore T. Popa University of Medicine and Pharmacy, 700115 Iasi, Romania; (I.M.); (C.L.); (A.D.P.); (M.A.C.)
| | - Simon Vlad Luca
- Faculty of Pharmacy, Grigore T. Popa University of Medicine and Pharmacy, 700115 Iasi, Romania; (I.M.); (C.L.); (A.D.P.); (M.A.C.)
- Biothermodynamics, TUM School of Life Sciences, Technical University of Munich, D-85354 Freising, Germany;
| | | | - Liviu Sacarescu
- Petru Poni Institute of Macromolecular Chemistry, 700487 Iasi, Romania; (L.S.); (P.P.); (A.G.); (F.D.); (E.-L.U.)
| | - Petronela Pascariu
- Petru Poni Institute of Macromolecular Chemistry, 700487 Iasi, Romania; (L.S.); (P.P.); (A.G.); (F.D.); (E.-L.U.)
| | - Alina Ghilan
- Petru Poni Institute of Macromolecular Chemistry, 700487 Iasi, Romania; (L.S.); (P.P.); (A.G.); (F.D.); (E.-L.U.)
| | - Florica Doroftei
- Petru Poni Institute of Macromolecular Chemistry, 700487 Iasi, Romania; (L.S.); (P.P.); (A.G.); (F.D.); (E.-L.U.)
| | - Elena-Laura Ursu
- Petru Poni Institute of Macromolecular Chemistry, 700487 Iasi, Romania; (L.S.); (P.P.); (A.G.); (F.D.); (E.-L.U.)
| | - Cristina Mihaela Rimbu
- Department of Public Health, Ion Ionescu de la Brad University of Agricultural Sciences and Veterinary Medicine, 700489 Iasi, Romania;
| | - Cristina Elena Horhogea
- Department of Public Health, Ion Ionescu de la Brad University of Agricultural Sciences and Veterinary Medicine, 700489 Iasi, Romania;
| | - Cristina Lungu
- Faculty of Pharmacy, Grigore T. Popa University of Medicine and Pharmacy, 700115 Iasi, Romania; (I.M.); (C.L.); (A.D.P.); (M.A.C.)
| | | | - Alina Diana Panainte
- Faculty of Pharmacy, Grigore T. Popa University of Medicine and Pharmacy, 700115 Iasi, Romania; (I.M.); (C.L.); (A.D.P.); (M.A.C.)
| | - Constantin Nechita
- Marin Dracea National Institute for Research and Development in Forestry, 725100 Campulung Moldovenesc, Romania;
| | - Maria Andreia Corciova
- Faculty of Pharmacy, Grigore T. Popa University of Medicine and Pharmacy, 700115 Iasi, Romania; (I.M.); (C.L.); (A.D.P.); (M.A.C.)
| | - Anca Miron
- Faculty of Pharmacy, Grigore T. Popa University of Medicine and Pharmacy, 700115 Iasi, Romania; (I.M.); (C.L.); (A.D.P.); (M.A.C.)
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Gad El-Rab SMF, Ashour AA, Basha S, Alyamani AA, Felemban NH, Enan ET. Well-Orientation Strategy Biosynthesis of Cefuroxime-Silver Nanoantibiotic for Reinforced Biodentine™ and Its Dental Application against Streptococcus mutans. Molecules 2021; 26:6832. [PMID: 34833924 PMCID: PMC8622780 DOI: 10.3390/molecules26226832] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 11/05/2021] [Accepted: 11/08/2021] [Indexed: 11/25/2022] Open
Abstract
Dental caries results from the bacterial pathogen Streptococcus mutans (S. mutans) and is the maximum critical reason for caries formation. Consequently, the present study aims to evaluate the antibacterial activity of a newly synthesized nanoantibiotic-Biodentine formulation. The silver nanoparticles (ROE-AgNPs) were biosynthesized from the usage of Rosmarinus officinalis L. extract (ROE) and conjugated with cefuroxime to form Cefuroxime-ROE-AgNPs. Using Biodentine™ (BIOD), five groups of dental materials were prepared, in which Group A included conventional BIOD, Group B included BIOD with ROE-AgNPs, Groups C and D included BIOD with Cefuroxime-ROE-AgNPs at concentrations of 0.5% and 1.5% cefuroxime, respectively, and Group E included BIOD with 1.5% cefuroxime. The synthesized ROE-AgNPs or Cefuroxime-ROE-AgNPs were characterized for conjugating efficiency, morphology, particle size, and in vitro release. Minimum inhibitory concentration (MIC) of the cefuroxime, ROE-AgNPs, and Cefuroxime-ROE-AgNPs were additionally evaluated against cefuroxime resistant S. mutans, which furthered antibacterial efficacy of the five groups of dental materials. The UV-Visible spectrum showed the ROE-AgNPs or Cefuroxime-ROE-AgNPs peaks and their formation displayed through transmission electron microscopy (TEM), X-ray diffraction (XRD) pattern, and Fourier transforms infrared (FTIR) analysis. The end result of Cefuroxime-ROE-AgNPs showed conjugating efficiency up to 79%. Cefuroxime-ROE-AgNPs displayed the highest antibacterial efficacy against S. mutans as compared to cefuroxime or ROE-AgNPs alone. Moreover, the MIC of ROE-AgNPs and Cefuroxime-ROE-AgNPs was detected against S. mutans to be 25 and 8.5 μg/mL, respectively. Consequently, Cefuroxime-ROE-AgNPs displayed that a decrease in the MIC reached to more than three-fold less than MIC of ROE-AgNPs on the tested strain. Moreover, Cefuroxime-ROE-AgNPs/BIOD was employed as a novel dental material that showed maximum antimicrobial activity. Groups C and D of novel materials showed inhibitory zones of 19 and 26 mm, respectively, against S. mutans and showed high antimicrobial rates of 85.78% and 91.17%, respectively. These data reinforce the utility of conjugating cefuroxime with ROE-AgNPs to retrieve its efficiency against resistant S. mutant. Moreover, the nanoantibiotic delivered an advantageous antibacterial effect to BIOD, and this may open the door for future conjugation therapy of dental materials against bacteria that cause dental caries.
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Affiliation(s)
- Sanaa M. F. Gad El-Rab
- Department of Biotechnology, Faculty of Science, Taif University, Taif 21974, Saudi Arabia;
- Department of Botany and Microbiology, Faculty of Science, Assiut University, Assiut 71516, Egypt
| | - Amal A. Ashour
- Department of Oral and Maxillofacial Surgery and Diagnostic Sciences, Oral Pathology Division, Faculty of Dentistry, Taif University, Taif 26571, Saudi Arabia;
| | - Sakeenabi Basha
- Department of Preventive and Community Dentistry, Faculty of Dentistry, Taif University, Taif 26571, Saudi Arabia;
| | - Amal Ahmed Alyamani
- Department of Biotechnology, Faculty of Science, Taif University, Taif 21974, Saudi Arabia;
| | - Nayef H. Felemban
- Preventive Dentistry Department, Faculty of Dentistry, Taif University, Taif 26571, Saudi Arabia;
| | - Enas Tawfik Enan
- Dental Biomaterials, Faculty of Dentistry, Taif University, Taif 26571, Saudi Arabia;
- Dental Biomaterials, Faculty of Dentistry, Mansoura University, Mansoura 35511, Egypt
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Sathiya P, Geetha K. Fruit extract mediated synthesis of silver oxide nanoparticles using Dimocarpus longan fruit and their assesment of catalytic, antifungal, antioxidant and cytotoxic potentials. INORG NANO-MET CHEM 2021. [DOI: 10.1080/24701556.2021.1983834] [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)
- P. Sathiya
- Department of Chemistry, Muthurangam Government Arts College (Autonomous), Affiliated to Thiruvalluvar University, Vellore, India
| | - Kannappan Geetha
- Department of Chemistry, Muthurangam Government Arts College (Autonomous), Affiliated to Thiruvalluvar University, Vellore, India
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28
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Green synthesis of silver nanoparticles from aqueous extract of Ctenolepis garcini L. and assess their possible biological applications. Process Biochem 2021. [DOI: 10.1016/j.procbio.2021.05.008] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Tewabe A, Marew T, Birhanu G. The contribution of nano-based strategies in overcoming ceftriaxone resistance: a literature review. Pharmacol Res Perspect 2021; 9:e00849. [PMID: 34331383 PMCID: PMC8324973 DOI: 10.1002/prp2.849] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2021] [Revised: 07/13/2021] [Accepted: 07/14/2021] [Indexed: 12/18/2022] Open
Abstract
Antimicrobial drug resistance, including resistance to multiple antibiotics, is continuously increasing. According to research findings, many bacteria resistant to other antibiotics were susceptible to ceftriaxone. However, over the last few years, ceftriaxone resistance has become growing and extremely worrisome challenge to the global healthcare system and several strategies have been initiated to contain the spread of antimicrobial drug resistance. Its extended use for therapeutic or preventative measures in humans and farm animals resulted in the development and spread of resistance. Recent advances in nanotechnology also offer novel formulations based on distinct types of nanostructure particles with different sizes and shapes, and flexible antimicrobial properties. For ceftriaxone, several nanostructured formulations through conjugation, intercalation, encapsulation with lipid carrier, and polymeric films have been investigated by different groups with promising results in combating the development of resistance. This review addressed the existing knowledge and practice on the contribution of nano-based delivery approaches in overcoming ceftriaxone resistance. Evidences have been generated from published research articles using major search electronic databases such as PubMed, Medline, Google Scholar, and Science Direct.
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Affiliation(s)
- Ashagrachew Tewabe
- Department of Pharmaceutics and Social PharmacySchool of PharmacyCollege of Health SciencesAddis Ababa UniversityAddis AbabaEthiopia
- Department of PharmacyCollege of Medicine and Health SciencesBahir Dar UniversityBahir DarEthiopia
| | - Tesfa Marew
- Department of Pharmaceutics and Social PharmacySchool of PharmacyCollege of Health SciencesAddis Ababa UniversityAddis AbabaEthiopia
| | - Gebremariam Birhanu
- Department of Pharmaceutics and Social PharmacySchool of PharmacyCollege of Health SciencesAddis Ababa UniversityAddis AbabaEthiopia
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Sivaselvam S, Selvakumar R, Viswanathan C, Ponpandian N. Rapid one-pot synthesis of PAM-GO-Ag nanocomposite hydrogel by gamma-ray irradiation for remediation of environment pollutants and pathogen inactivation. CHEMOSPHERE 2021; 275:130061. [PMID: 33677277 DOI: 10.1016/j.chemosphere.2021.130061] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 02/11/2021] [Accepted: 02/19/2021] [Indexed: 06/12/2023]
Abstract
Designing a cost-effective, high potential and recyclable catalyst remains a challenge. In the present work, a monolithic PAM-GO-Ag hydrogel is prepared by a facile, eco-friendly method using gamma-ray irradiation. The formation of GO-Ag composite by gamma radiation is also investigated and it is authenticated by XRD, FTIR, Raman, XPS and TEM analysis. The PAM-GO-Ag hydrogel exhibits excellent catalytic activity to different catalysant like methylene blue, Rhodamine-B, and pharmaceutical compound ciprofloxacin. The high catalyst carrying capacity and rapid electron shuttling ability of GO plays a significant role in the high performance of PAM-GO-Ag hydrogel. The PAM-GO-Ag hydrogel also exhibits excellent antibacterial activity. The damaged cell membrane, protein leakage, and increased ROS level contribute to the antibacterial activity of PAM-GO-Ag. The monolithic structure of PAM-GO-Ag hydrogel makes it easy to handle, recover, and reuse for several runs without significant loss of catalytic and antibacterial activity. All these results showed the possible application of PAM-GO-Ag hydrogel as a promising catalyst for the reduction of different pollutants and antibacterial agents on a large scale with good reusability.
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Affiliation(s)
- S Sivaselvam
- Department of Nanoscience and Technology, Bharathiar University, Coimbatore, 641 046, India
| | - R Selvakumar
- Nanobiotechnology Laboratory, PSG Institute of Advanced Studies, Peelamedu, Coimbatore, 641 004, India
| | - C Viswanathan
- Department of Nanoscience and Technology, Bharathiar University, Coimbatore, 641 046, India
| | - N Ponpandian
- Department of Nanoscience and Technology, Bharathiar University, Coimbatore, 641 046, India.
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Ceftriaxone sodium loaded onto polymer-lipid hybrid nanoparticles enhances antibacterial effect on gram-negative and gram-positive bacteria: Effects of lipid - polymer ratio on particles size, characteristics, in vitro drug release and antibacterial drug efficacy. J Drug Deliv Sci Technol 2021. [DOI: 10.1016/j.jddst.2021.102457] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Abstract
The increasing metal release into the environment warrants investigating their impact on plants, which are cornerstones of ecosystems. Here, Lactuca sativa L. (lettuce) seedlings were exposed hydroponically to different concentrations of silver ions and nanoparticles (Ag NPs) for 25 days to evaluate their impact on plant growth. Seedlings taking Ag+ ions showed an increment of 18% in total phenolic content and 12% in total flavonoid content, whereas under Ag NPs, 7% free radical scavenging activity, 12% total phenolic contents (TPC), and 10% total reducing power are increased. An increase in 31% shoot length, 25% chlorophyll, 11% carbohydrate, and 16% protein content of the lettuce plant is observed in response to Ag NPs, while silver nitrate (AgNO3) has a reduced 40% growth. The lettuce plant was most susceptible to toxic effects of Ag+ ions at a lower concentration, i.e., 0.01 mg/L, while Ag NPs showed less toxicity, only when higher concentrations >100 mg/L were applied. Further, biomolecules other than antioxidant enzymes showed higher phytotoxicity for Ag+ ions, followed by Ag NPs with the concentration of 25, 50, and 100 mg/L compared to the control. Thus, moderate concentrations of Ag NPs have a stimulatory effect on seedling growth, while higher concentrations induced inhibitory effects due to the release of Ag+ ions. These results suggest that optimum metallic contents are desirable for the healthier growth of plants in a controlled way.
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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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Cd(II) and Pb(II) Adsorption Using a Composite Obtained from Moringa oleifera Lam. Cellulose Nanofibrils Impregnated with Iron Nanoparticles. WATER 2021. [DOI: 10.3390/w13010089] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
This work informs on the green synthesis of a novel adsorbent and its adsorption capacity. The adsorbent was synthesized by the combination of iron nanoparticles and cellulose nanofibers (FeNPs/NFCs). Cellulose nanofibers (NFCs) were obtained from Moringa (Moringa oleifera Lam.) by a pulping Kraft process, acid hydrolysis, and ultrasonic methods. The adsorption method has advantages such as high heavy metal removal in water treatment. Therefore, cadmium (Cd) and lead (Pb) adsorption with FeNP/NFC from aqueous solutions in batch systems was investigated. The kinetic, isotherm, and thermodynamic parameters, as well as the adsorption capacities of FeNP/NFC in each system at different temperatures, were evaluated. The adsorption kinetic data were fitted to mathematical models, so the pseudo-second-order kinetic model described both Cd and Pb. The kinetic rate constant (K2), was higher for Cd than for Pb, indicating that the metal adsorption was very fast. The adsorption isotherm data were best described by the Langmuir–Freundlich model for Pb multilayer adsorption. The Langmuir model described Cd monolayer sorption. However, experimental maximum adsorption capacities (qe exp) for Cd (>12 mg/g) were lower than those for Pb (>80 mg/g). In conclusion, iron nanoparticles on the FeNP/NFC composite improved Cd and Pb selectivity during adsorption processes, indicating the process’ spontaneous and exothermic nature.
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Madhi M, Hasani A, Mojarrad JS, Rezaee MA, Zarrini G, Davaran S. Nano-strategies in pursuit of efflux pump activeness in Acinetobacter baumannii and Pseudomonas aeruginosa. GENE REPORTS 2020. [DOI: 10.1016/j.genrep.2020.100915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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36
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Green synthesis, characterization and photocatalytic application of silver nanoparticles synthesized by various plant extracts. ARAB J CHEM 2020. [DOI: 10.1016/j.arabjc.2020.01.009] [Citation(s) in RCA: 79] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
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Asghar MA, Yousuf RI, Shoaib MH, Asghar MA, Ansar S, Zehravi M, Abdul Rehman A. Synergistic Nanocomposites of Different Antibiotics Coupled with Green Synthesized Chitosan-Based Silver Nanoparticles: Characterization, Antibacterial, in vivo Toxicological and Biodistribution Studies. Int J Nanomedicine 2020; 15:7841-7859. [PMID: 33116504 PMCID: PMC7568684 DOI: 10.2147/ijn.s274987] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Accepted: 09/15/2020] [Indexed: 12/16/2022] Open
Abstract
Purpose The present study reports chitosan functionalized green synthesized CS-AgNPs, conjugated with amoxicillin (AMX), cefixime (CEF), and levofloxacin (LVX) for safe and enhanced antibacterial activity. Methods The CS-AgNPs and conjugates CS-AgNPs+AMX CS-AgNPs+CEF, and CS-AgNPs+LVX were characterized by UV–Vis, FTIR, SEM, TEM, EDX spectroscopy. The size distribution and zeta potential were measured using the dynamic light scattering (DLS) technique. The interaction between CS-AgNPs and antibiotic molecules was also investigated using UV–Vis spectroscopy at the concentrations of 5, 50, 500, and 5000 µM for each antibiotic. Antibacterial activity and synergism were assessed by the Fractional Inhibitory Concentration (FIC) index. The mechanism for synergistic activity was investigated by the detection of hydroxyl species based on the chemiluminescence of luminol. The biocompatibility index (BI) was calculated from IC50 using the HeLa cell line. In vivo toxicity and tissue distribution of silver ions were evaluated on Sprague Dawley rats. Physical interactions of antibiotics and significant (P<0.05) antibacterial activity were observed after loading on CS-AgNPs surfaces. Results The spherical shape nanocomposites of CS-AgNPs with different antibiotics were prepared with mean size ranges of 80–120 nm. IC50 of antibiotics-conjugated CS-AgNPs decreased compared to CS-AgNPs. The biocompatibility (BI) index showed that antibiotics-conjugated CS-AgNPs have high antibacterial potential and low toxicity. Highly significant (P<0.005) increase in the generation of hydroxyl species indicated the radical scavenging mechanism for synergistic activity of CS-AgNPs after combined with different antibiotics. Biochemical analysis and histopathological examinations confirmed low toxicity with minor hepatotoxicity at higher doses. After oral administration, extensive distribution of Ag ion was observed in spleen and liver. Conclusion The study demonstrates positive attributes of antibiotics-conjugated CS-AgNPs, as a promising antibacterial agent with low toxicity.
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Affiliation(s)
- Muhammad Arif Asghar
- Department of Pharmaceutics, Faculty of Pharmacy and Pharmaceutical Sciences, University of Karachi, Karachi 75270, Pakistan
| | - Rabia Ismail Yousuf
- Department of Pharmaceutics, Faculty of Pharmacy and Pharmaceutical Sciences, University of Karachi, Karachi 75270, Pakistan
| | - Muhammad Harris Shoaib
- Department of Pharmaceutics, Faculty of Pharmacy and Pharmaceutical Sciences, University of Karachi, Karachi 75270, Pakistan
| | - Muhammad Asif Asghar
- Food and Feed Safety Laboratory, Food and Marine Resources Research Centre, PCSIR Laboratories Complex, Karachi, Sindh 74200, Pakistan
| | - Sabah Ansar
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud University, Riyadh 11433, Saudi Arabia
| | - Mehrukh Zehravi
- Department of Clinical Pharmacy, College of Pharmacy for Girls, Prince Sattam Bin Abdul Aziz University, Al-Kharj 16278, Kingdom of Saudi Arabia
| | - Ahad Abdul Rehman
- Department of Pharmacology, Faculty of Pharmacy, Jinnah Sindh Medical University, Karachi 75510, Pakistan
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Lakhan MN, Chen R, Shar AH, Chand K, Shah AH, Ahmed M, Ali I, Ahmed R, Liu J, Takahashi K, Wang J. Eco-friendly green synthesis of clove buds extract functionalized silver nanoparticles and evaluation of antibacterial and antidiatom activity. J Microbiol Methods 2020; 173:105934. [PMID: 32325159 DOI: 10.1016/j.mimet.2020.105934] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2019] [Revised: 04/19/2020] [Accepted: 04/19/2020] [Indexed: 01/31/2023]
Abstract
Biological fouling has caused a lot of concern in marine industries due to the attachment of microorganisms on marine surfaces. Silver nanoparticles (AgNPs) have a great potential to inhibit and hold strong toxicity against microorganisms on artificial surfaces immersed in seawater. In this study, AgNPs are synthesized using extract of clove buds (CE) plant as a reducing and stabilizing agent by biological synthesis method. The obtained CE-AgNPs product was characterized by using different techniques. Ultraviolet-visible spectroscopy (UV-Vis) results confirmed the formation of CE-AgNPs with its surface plasmon resonance peak range. Fourier-transform infrared spectroscopy (FTIR) study showed the formation of functional groups responsible for the reduction of Ag+ into Ago. X-Ray Diffraction (XRD) results revealed face-centered cubic (fcc) silver crystals having four different diffraction peaks at 38.08, 44.21, 64.42 and 77.32 with corresponding lattice plane value recorded at (111), (200), (220) and (311), respectively. Structural characterization using scanning electron microscopy equipped with energy dispersive X-Ray Analyzer (SEM-EDX), Transmission electron microscopy (TEM) and atomic force microscopy (AFM) also confirmed the successful formation of CE-AgNPs with fcc structure. The histogram of particle size distribution through TEM image showed an average size of 9.42 nm of the synthesized product. Finally, the antibacterial and antidiatom activity of the synthesized product was analyzed. The CE-AgNPs synthesized using CE possesses good inhibitory activity against the marine bacterium community and Nitzschia closterium diatom. These results indicate that CE-AgNPs can be used as a novel material for antibacterial and antidiatoms means to inhibit the biofouling on marine surfaces.
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Affiliation(s)
- Muhammad Nazim Lakhan
- Key Laboratory of Superlight Material and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, PR China
| | - Rongrong Chen
- Key Laboratory of Superlight Material and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, PR China.
| | - Altaf Hussain Shar
- Key Laboratory of Superlight Material and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, PR China
| | - Kishore Chand
- Key Laboratory of Superlight Material and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, PR China
| | - Ahmer Hussain Shah
- Department of Textile Engineering, Balochistan University of Information Technology, Engineering and Management Science, Quetta, Pakistan
| | - Mukhtiar Ahmed
- Key Laboratory of Superlight Material and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, PR China
| | - Irfan Ali
- College of Chemical Engineering, Beijing University of Chemical Technology, PR China
| | - Rizwan Ahmed
- School of Chemical Engineering, Dalian University of Technology, PR China
| | - Jingyuan Liu
- Key Laboratory of Superlight Material and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, PR China
| | - Kazunobu Takahashi
- Key Laboratory of Superlight Material and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, PR China
| | - Jun Wang
- Key Laboratory of Superlight Material and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, PR China.
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Halawani EM, Hassan AM, Gad El-Rab SMF. Nanoformulation of Biogenic Cefotaxime-Conjugated-Silver Nanoparticles for Enhanced Antibacterial Efficacy Against Multidrug-Resistant Bacteria and Anticancer Studies. Int J Nanomedicine 2020; 15:1889-1901. [PMID: 32256066 PMCID: PMC7090159 DOI: 10.2147/ijn.s236182] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2019] [Accepted: 02/20/2020] [Indexed: 01/10/2023] Open
Abstract
OBJECTIVES Due to the expanded bacterial genetic tolerance to antibiotics through different mechanisms, infectious diseases of MDR bacteria are difficult for treatment. Consequently, we synthesized drug conjugated nanoparticles to dissolve this problem. Moreover, the present study aims to display the cell death status treated with cefotaxime-CS-AgNPs and also, apoptosis pathways of human RPE-1 normal cells and human MCF-7 breast cancer cells. METHODS Here, we demonstrate the possibility to synthesize AgNPs and conjugate them with cefotaxime to survey the probability of cefotaxime-CS-AgNPs as an antimicrobial agent against cefotaxime-resistant strains E. coli and MRSA. RESULTS TEM showed the size of AgNPs, CS-AgNPs and cefotaxime-CS-AgNPs ranged from 7.42 to 18.3 nm, 8.05-23.89 nm and 8.48-25.3 nm, respectively, with a spherical shape. The cefotaxime-CS-AgNPs enhanced the high antimicrobial properties compared to AgNPs or pure antibiotic. The MIC of Cefotaxime-CS-AgNPs ranged from 3 µg/mL to 8 µg/mL against tested E. coli and MRSA bacteria. Consequently, the highest reduction in the MIC of cefotaxime-CS-AgNPs was noted against tested strains ranging from 22% to 96%. Comparing cefotaime-CS-AgNPs to AgNPs we showed that cefotaime-CS-AgNPs have no cytotoxic effect on normal cells at even 12 µg/mL for 24 hrs. The IC50 for the AgNPs and cefotaxime-CS-AgNPs was 12 µg/mL for human RPE-1 normal cells and human MCF-7 breast cancer cell lines. The pro-apoptotic genes p53, p21, and Bax of cancer cell lines significantly upregulated followed by downregulated by anti-apoptotic gene Bcl-2 after 48 hrs at 24 µg/mL, and this concentration represents the most effective dose. CONCLUSION Results enhanced the conjugating utility in old unresponsive cefotaxime to AgNPs to restore its efficiency against previous strains and demonstrated potential therapeutic applications of cefotaxime-CS-AgNPs. Moreover, this research gives remarkable insights for designing nanoscale delivery and curative systems that have a pronounced cytotoxic activity on cancer cells and are safe to normal cells.
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Affiliation(s)
- Eman M Halawani
- Division of Microbiology, Department of Biology, Faculty of Science, Taif University, Taif21974, Saudi Arabia
- Yousef Abdullatif Jameel Chair of Prophetic Medicine Application, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Aziza M Hassan
- Department of Biotechnology, Faculty of Science, Taif University, Taif21974, Saudi Arabia
- Cell Biology Department, National Research Centre, Dokki, Giza, Egypt
| | - Sanaa M F Gad El-Rab
- Department of Biotechnology, Faculty of Science, Taif University, Taif21974, Saudi Arabia
- Department of Botany and Microbiology, Faculty of Science, Assiut University, Assiut71516, Egypt
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Hamouda RA, Hussein MH, Abo-Elmagd RA, Bawazir SS. Synthesis and biological characterization of silver nanoparticles derived from the cyanobacterium Oscillatoria limnetica. Sci Rep 2019; 9:13071. [PMID: 31506473 PMCID: PMC6736842 DOI: 10.1038/s41598-019-49444-y] [Citation(s) in RCA: 280] [Impact Index Per Article: 56.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Accepted: 08/09/2019] [Indexed: 12/13/2022] Open
Abstract
Using aqueous cyanobacterial extracts in the synthesis of silver nanoparticle is looked as green, ecofriendly, low priced biotechnology that gives advancement over both chemical and physical methods. In the current study, an aqueous extract of Oscillatoria limnetica fresh biomass was used for the green synthesis of Ag-NPs, since O. limnetica extract plays a dual part in both reducing and stabilizing Oscillatoria-silver nanoparticles (O-AgNPs). The UV-Visible absorption spectrum, Fourier transforms infrared (FT-IR), transmission electron microscopy (TEM) and scanning electron microscope (SEM) were achieved for confirming and characterizing the biosynthesized O-AgNPs. TEM images detected the quasi-spherical Ag-NPs shape with diverse size ranged within 3.30-17.97 nm. FT-IR analysis demonstrated the presence of free amino groups in addition to sulfur containing amino acid derivatives acting as stabilizing agents as well as the presence of either sulfur or phosphorus functional groups which possibly attaches silver. In this study, synthesized Ag-NPs exhibited strong antibacterial activity against multidrug-resistant bacteria (Escherichia coli and Bacillus cereus) as well as cytotoxic effects against both human breast (MCF-7) cell line giving IC50 (6.147 µg/ml) and human colon cancer (HCT-116) cell line giving IC50 (5.369 µg/ml). Hemolytic activity of Ag-NPs was investigated and confirmed as being non- toxic to human RBCs in low concentrations.
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Affiliation(s)
- Ragaa A Hamouda
- Department of biology, Faculty of sciences and Arts Khulais, University of Jeddah, Jeddah, Saudi Arabia.
- Department of Microbial Biotechnology, Genetic Engineering & Research Institute, Sadat University, Sadat city, Egypt.
| | - Mervat H Hussein
- Botany department, Faculty of science, Mansoura University, Mansoura, Egypt
| | - Rasha A Abo-Elmagd
- Botany department, Faculty of science, Mansoura University, Mansoura, Egypt
| | - Salwa S Bawazir
- Department of biology, Faculty of sciences and Arts Khulais, University of Jeddah, Jeddah, Saudi Arabia
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Kumar P, Shivam P, Mandal S, Prasanna P, Kumar S, Prasad SR, Kumar A, Das P, Ali V, Singh SK, Mandal D. Synthesis, characterization, and mechanistic studies of a gold nanoparticle-amphotericin B covalent conjugate with enhanced antileishmanial efficacy and reduced cytotoxicity. Int J Nanomedicine 2019; 14:6073-6101. [PMID: 31686803 PMCID: PMC6709383 DOI: 10.2147/ijn.s196421] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Accepted: 05/10/2019] [Indexed: 12/24/2022] Open
Abstract
Background Amphotericin B (AmB) as a liposomal formulation of AmBisome is the first line of treatment for the disease, visceral leishmaniasis, caused by the parasite Leishmania donovani. However, nephrotoxicity is very common due to poor water solubility and aggregation of AmB. This study aimed to develop a water-soluble covalent conjugate of gold nanoparticle (GNP) with AmB for improved antileishmanial efficacy and reduced cytotoxicity. Methods Citrate-reduced GNPs (~39 nm) were functionalized with lipoic acid (LA), and the product GNP-LA (GL ~46 nm) was covalently conjugated with AmB using carboxyl-to-amine coupling chemistry to produce GNP-LA-AmB (GL-AmB ~48 nm). The nanoparticles were characterized by dynamic light scattering, transmission electron microscopy (TEM), and spectroscopic (ultraviolet–visible and infrared) methods. Experiments on AmB uptake of macrophages, ergosterol depletion of drug-treated parasites, cytokine ELISA, fluorescence anisotropy, flow cytometry, and gene expression studies established efficacy of GL-AmB over standard AmB. Results Infrared spectroscopy confirmed the presence of a covalent amide bond in the conjugate. TEM images showed uniform size with smooth surfaces of GL-AmB nanoparticles. Efficiency of AmB conjugation was ~78%. Incubation in serum for 72 h showed <7% AmB release, indicating high stability of conjugate GL-AmB. GL-AmB with AmB equivalents showed ~5-fold enhanced antileishmanial activity compared with AmB against parasite-infected macrophages ex vivo. Macrophages treated with GL-AmB showed increased immunostimulatory Th1 (IL-12 and interferon-γ) response compared with standard AmB. In parallel, AmB uptake was ~5.5 and ~3.7-fold higher for GL-AmB-treated (P<0.001) macrophages within 1 and 2 h of treatment, respectively. The ergosterol content in GL-AmB-treated parasites was ~2-fold reduced compared with AmB-treated parasites. Moreover, GL-AmB was significantly less cytotoxic and hemolytic than AmB (P<0.01). Conclusion GNP-based delivery of AmB can be a better, cheaper, and safer alternative than available AmB formulations.
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Affiliation(s)
- Prakash Kumar
- Department of Biotechnology, National Institute of Pharmaceutical Education and Research (NIPER) - Hajipur, Vaishali, India
| | - Pushkar Shivam
- Department of Microbiology, Rajendra Memorial Research Institute of Medical Sciences, Patna, India
| | - Saptarshi Mandal
- Department of Chemistry, Indian Institute of Technology Patna, Patna, India
| | - Pragya Prasanna
- Department of Biotechnology, National Institute of Pharmaceutical Education and Research (NIPER) - Hajipur, Vaishali, India
| | - Saurabh Kumar
- Department of Biotechnology, National Institute of Pharmaceutical Education and Research (NIPER) - Hajipur, Vaishali, India
| | - Surendra Rajit Prasad
- Department of Biotechnology, National Institute of Pharmaceutical Education and Research (NIPER) - Hajipur, Vaishali, India
| | - Ashish Kumar
- Department of Molecular Biology, Rajendra Memorial Research Institute of Medical Sciences, Patna, India
| | - Prolay Das
- Department of Chemistry, Indian Institute of Technology Patna, Patna, India
| | - Vahab Ali
- Department of Biochemistry, Rajendra Memorial Research Institute of Medical Sciences, Patna, India
| | - Shubhankar Kumar Singh
- Department of Microbiology, Rajendra Memorial Research Institute of Medical Sciences, Patna, India
| | - Debabrata Mandal
- Department of Biotechnology, National Institute of Pharmaceutical Education and Research (NIPER) - Hajipur, Vaishali, India
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Jelinkova P, Mazumdar A, Sur VP, Kociova S, Dolezelikova K, Jimenez AMJ, Koudelkova Z, Mishra PK, Smerkova K, Heger Z, Vaculovicova M, Moulick A, Adam V. Nanoparticle-drug conjugates treating bacterial infections. J Control Release 2019; 307:166-185. [DOI: 10.1016/j.jconrel.2019.06.013] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Revised: 06/10/2019] [Accepted: 06/12/2019] [Indexed: 12/19/2022]
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Kalaimurugan D, Sivasankar P, Lavanya K, Shivakumar MS, Venkatesan S. Antibacterial and Larvicidal Activity of Fusarium proliferatum (YNS2) Whole Cell Biomass Mediated Copper Nanoparticles. J CLUST SCI 2019. [DOI: 10.1007/s10876-019-01568-x] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Khorrami S, Zarrabi A, Khaleghi M, Danaei M, Mozafari MR. Selective cytotoxicity of green synthesized silver nanoparticles against the MCF-7 tumor cell line and their enhanced antioxidant and antimicrobial properties. Int J Nanomedicine 2018; 13:8013-8024. [PMID: 30568442 PMCID: PMC6267361 DOI: 10.2147/ijn.s189295] [Citation(s) in RCA: 245] [Impact Index Per Article: 40.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Introduction Silver nanoparticles (AgNPs) are of great interest due to their unique and controllable characteristics. Different synthesis methods have been proposed to produce these nanoparticles, which often require elevated temperatures/pressures or toxic solvents. Thus, green synthesis could be a replacement option as a simple, economically viable and environmentally friendly alternative approach for the synthesis of silver nanoparticles. Methods Here, the potential of the walnut green husk was investigated in the production of silver nanoparticles. An aqueous solution extracted from walnut green husk was used as a reducing agent as well as a stabilizing agent. Then, the synthesized nanoparticles were characterized with respect of their anticancer, antioxidant, and antimicrobial properties. Results Results showed that the synthesized nanoparticles possessed an average size of 31.4 nm with a Zeta potential of -33.8 mV, indicating high stability. A significant improvement in the cytotoxicity and antioxidant characteristics of the green synthesized Ag nanoparticles against a cancerous cell line was observed in comparison with the walnut green husk extract and a commercial silver nanoparticle (CSN). This could be due to a synergistic effect of the synthesized silver nanoparticles and their biological coating. AgNPs and the extract exhibited 70% and 40% cytotoxicity against MCF-7 cancerous cells, respectively, while CSN caused 56% cell death (at the concentration of 60 µg/mL). It was observed that AgNPs were much less cytotoxic when tested against a noncancerous cell line (L-929) in comparison with the control material (CSN). The free radical scavenging analysis demonstrated profound anti-oxidant activity for the synthesized nanoparticles in comparison with the extract and CSN. It was also detected that the synthesized AgNPs possess antibacterial activity against nosocomial and standard strains of both Gram-positive and Gram-negative bacteria (minimum inhibitory concentration =5-30 µg/mL). Conclusion These findings imply that the synthesized nanoparticles using green nanotechnology could be an ideal strategy to combat cancer and infectious diseases.
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Affiliation(s)
- Sadegh Khorrami
- Department of Biotechnology, Faculty of Advanced Sciences and Technologies, University of Isfahan, Isfahan, Iran,
| | - Ali Zarrabi
- Department of Biotechnology, Faculty of Advanced Sciences and Technologies, University of Isfahan, Isfahan, Iran,
| | - Moj Khaleghi
- Department of Biology, Faculty of Sciences, Shahid Bahonar University, Kerman, Iran
| | - Marziyeh Danaei
- Australasian Nanoscience and Nanotechnology Initiative, Monash University, Clayton, VIC, Australia
| | - M R Mozafari
- Australasian Nanoscience and Nanotechnology Initiative, Monash University, Clayton, VIC, Australia
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Elemike EE, Onwudiwe DC, Ekennia AC, Jordaan A. Synthesis and characterisation of silver nanoparticles using leaf extract of Artemisia afra and their in vitro antimicrobial and antioxidant activities. IET Nanobiotechnol 2018; 12:722-726. [PMID: 30104444 PMCID: PMC8676062 DOI: 10.1049/iet-nbt.2017.0297] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Revised: 02/03/2018] [Accepted: 02/25/2018] [Indexed: 12/19/2022] Open
Abstract
In this study, the conversion of silver ions into ∼30.74 nm sized silver nanoparticles (AgNPs) was achieved in 30 min at a reaction temperature of 80-90°C in aqueous leaf extract of Artemisia afra. The synthesised AgNPs showed surface plasmon resonance in the range of 423-438 nm. Spherical and face-centred cubic nanoparticles were confirmed by transmission electron microscope (TEM) and X-ray diffraction (XRD) analysis, respectively. Fourier transform infra-red (FTIR) results indicated that the obtained nanoparticles were stabilised and capped through the carbonyl and carboxylate ion groups possibly from flavonoids, terpenoids, phenolics and esters content of the extracts. In addition, the AgNPs were assessed for their biological potentials against some microbes and, also, their free radical scavenging ability was established. The AgNPs exhibited interesting antimicrobial and antioxidant properties better than the aqueous extract of A. afra.
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Affiliation(s)
- Elias E Elemike
- Department of Chemistry, College of Science, Federal University of Petroleum Resources PMB 1221 Effurun, Delta State, Nigeria
| | - Damian C Onwudiwe
- Department of Chemistry, Faculty of Agriculture, Science and Technology, School of Mathematics and Physical Sciences, North-West University, Mafikeng Campus, Private Bag X2046, Mmabatho 2735, South Africa.
| | - Anthony C Ekennia
- Department of Chemistry, Federal University Ndufu-Alike Ikwo (FUNAI), P.M.B. 1010, Abakaliki, Ebonyi State, Nigeria
| | - Anine Jordaan
- Laboratory for Electron Microscopy, CRB Research Focus Area, North-West University, Private Bag X6001, Potchefstroom 2520, South Africa
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Antibacterial evaluation of silver nanoparticles synthesized from lychee peel: individual versus antibiotic conjugated effects. World J Microbiol Biotechnol 2018; 34:118. [PMID: 30008019 DOI: 10.1007/s11274-018-2500-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2017] [Accepted: 07/08/2018] [Indexed: 01/09/2023]
Abstract
This paper describes the extracellular synthesis of silver nanoparticles from waste part of lychee fruit (peel) and their conjugation with selected antibiotics (amoxicillin, cefixim, and streptomycin). FTIR studies revealed the reduction of metallic silver and stabilization of silver nanoparticles and their conjugates due to the presence of CO (carboxyl), OH (hydroxyl) and CH (alkanes) groups. The size of conjugated nanoparticles varied ranging from 3 to 10 nm as shown by XRD. TEM image revealed the spherical shape of biosynthesized silver nanoparticles. Conjugates of amoxicillin and cefixim showed highest antibacterial activity (147.43 and 107.95%, respectively) against Gram-negative bacteria i.e. Alcaligenes faecalis in comparison with their control counterparts. The highest reduction in MIC was noted against Gram-positive strains i.e. Enterococcus faecium (75%) and Microbacterium oxydans (75%) for amoxicillin conjugates. Anova two factor followed by two-tailed t test showed non-significant results both in case of cell leakage and protein estimation between nanoparticles and conjugates of amoxicillin, cefixime and streptomycin. In case of MDA release, non-significant difference among the test samples against the selected strains. Our study found green-synthesized silver nanoparticles as effective antibacterial bullet against both Gram positive and Gram negative bacteria, but they showed a more promising effect on conjugation with selected antibiotics against Gram negative type.
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Koduru JR, Kailasa SK, Bhamore JR, Kim KH, Dutta T, Vellingiri K. Phytochemical-assisted synthetic approaches for silver nanoparticles antimicrobial applications: A review. Adv Colloid Interface Sci 2018; 256:326-339. [PMID: 29549999 DOI: 10.1016/j.cis.2018.03.001] [Citation(s) in RCA: 93] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2018] [Revised: 03/01/2018] [Accepted: 03/01/2018] [Indexed: 12/20/2022]
Abstract
Silver nanoparticles (Ag NPs) have recently emerged as promising materials in the biomedical sciences because of their antimicrobial activities towards a wide variety of microorganisms. Nanomaterial-based drug delivery systems with antimicrobial activity are critical as they may lead to novel treatments for cutaneous pathogens. In this review, we explore the recent progress on phytochemical-mediated synthesis of Ag NPs for antimicrobial treatment and associated infectious diseases. We discuss the biological activity of Ag NPs including mechanisms, antimicrobial activity, and antifungal/antiviral effects towards various microorganisms. The advent of Ag NP-based nanocarriers and nano-vehicles is also described for treatment of different diseases, along with the mechanisms of microbial inhibition. Overall, this review will provide a rational vision of the main achievements of Ag NPs as nanocarriers for inhibition of various microbial agents (bacteria, fungus, and virus).
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Shanmuganathan R, MubarakAli D, Prabakar D, Muthukumar H, Thajuddin N, Kumar SS, Pugazhendhi A. An enhancement of antimicrobial efficacy of biogenic and ceftriaxone-conjugated silver nanoparticles: green approach. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:10362-10370. [PMID: 28600792 DOI: 10.1007/s11356-017-9367-9] [Citation(s) in RCA: 115] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2017] [Accepted: 05/23/2017] [Indexed: 06/07/2023]
Abstract
Of the various methods explored for the synthesis of nanoparticles, biogenesis of silver nanoparticles (AgNPs) received great attention due to their versatile properties. In this report, Daucus carota extract was used for the synthesis of AgNPs and ceftriaxone was conjugated with AgNPs to enhance their antimicrobial efficacy. The conjugated and unconjugated AgNPs were characterized by adopting UV-Vis spectroscopy, FTIR, AFM, DLS, and TEM, which revealed the SPR peak at 420 nm and spherical shaped nanoparticles of 20 nm size, respectively. The antimicrobial efficacies of the unconjugated AgNPs and ceftriaxone-conjugated AgNPs were tested against ceftriaxone-resistant human pathogens, Bacillus cereus, Staphylococcus aureus, Klebsiella pneumoniae, and Pseudomonas aeruginosa. The ceftriaxone-conjugated AgNPs showed high inhibitory action (23 mm) than the unconjugated AgNPs (18 mm) at the concentration of 50 μg/mL. Both the unconjugated and ceftriaxone-conjugated AgNPs were found to be non-toxic on EAC cells at 50 μg/mL. The dose-dependent cytotoxic activities were observed on increasing the concentration of the AgNPs. The ceftriaxone-conjugated AgNPs showed high activity than the unconjugated AgNPs. The enhanced activity could be useful to treat ceftriaxone-resistant human pathogens.
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Affiliation(s)
- Rajasree Shanmuganathan
- CoRx Life sciences and Pharmaceutical (CLAP) Private Limited, Tiruchirappalli, Tamil Nadu, 620 020, India
| | - Davoodbasha MubarakAli
- National Repository for Microalgae and Cyanobacteria - Freshwater (DBT), Department of Microbiology, Bharathidasan University, Tiruchirappalli, Tamil Nadu, 620 024, India
| | | | - Harshiny Muthukumar
- Department of Biotechnology, Periyar Maniammai University, Thanjavur, Tamil Nadu, 613 403, India
| | - Nooruddin Thajuddin
- National Repository for Microalgae and Cyanobacteria - Freshwater (DBT), Department of Microbiology, Bharathidasan University, Tiruchirappalli, Tamil Nadu, 620 024, India
| | - Smita S Kumar
- Department of Environmental Science and Engineering, Guru Jambheshwar University of Science and Technology, Hisar, Haryana, 125001, India
| | - Arivalagan Pugazhendhi
- Green Processing, Bioremediation and Alternative Energies Research Group (GPBAE), Faculty of Environment and Labour Safety, Ton Duc Thang University, Ho Chi Minh City, Vietnam.
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Siddiqi KS, Husen A, Rao RAK. A review on biosynthesis of silver nanoparticles and their biocidal properties. J Nanobiotechnology 2018; 16:14. [PMID: 29452593 PMCID: PMC5815253 DOI: 10.1186/s12951-018-0334-5] [Citation(s) in RCA: 488] [Impact Index Per Article: 81.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2017] [Accepted: 01/19/2018] [Indexed: 12/21/2022] Open
Abstract
Use of silver and silver salts is as old as human civilization but the fabrication of silver nanoparticles (Ag NPs) has only recently been recognized. They have been specifically used in agriculture and medicine as antibacterial, antifungal and antioxidants. It has been demonstrated that Ag NPs arrest the growth and multiplication of many bacteria such as Bacillus cereus, Staphylococcus aureus, Citrobacter koseri, Salmonella typhii, Pseudomonas aeruginosa, Escherichia coli, Klebsiella pneumonia, Vibrio parahaemolyticus and fungus Candida albicans by binding Ag/Ag+ with the biomolecules present in the microbial cells. It has been suggested that Ag NPs produce reactive oxygen species and free radicals which cause apoptosis leading to cell death preventing their replication. Since Ag NPs are smaller than the microorganisms, they diffuse into cell and rupture the cell wall which has been shown from SEM and TEM images of the suspension containing nanoparticles and pathogens. It has also been shown that smaller nanoparticles are more toxic than the bigger ones. Ag NPs are also used in packaging to prevent damage of food products by pathogens. The toxicity of Ag NPs is dependent on the size, concentration, pH of the medium and exposure time to pathogens.
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Affiliation(s)
| | - Azamal Husen
- Department of Biology, College of Natural and Computational Sciences, University of Gondar, P.O. Box # 196, Gondar, Ethiopia
| | - Rifaqat A. K. Rao
- Department of Applied Chemistry, Zakir Husain College of Engineering and Technology, Aligarh Muslim University, Aligarh, Uttar Pradesh 202002 India
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Thanganadar Appapalam S, Panchamoorthy R. Aerva lanata mediated phytofabrication of silver nanoparticles and evaluation of their antibacterial activity against wound associated bacteria. J Taiwan Inst Chem Eng 2017. [DOI: 10.1016/j.jtice.2017.06.035] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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