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Acharya C, Mishra S, Chaurasia SK, Pandey BK, Dhar R, Pandey JK. Synthesis of metallic nanoparticles using biometabolites: mechanisms and applications. Biometals 2024:10.1007/s10534-024-00642-w. [PMID: 39377881 DOI: 10.1007/s10534-024-00642-w] [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: 04/10/2024] [Accepted: 09/27/2024] [Indexed: 10/09/2024]
Abstract
Bio-metabolites have played a crucial role in the recent green synthesis of nanoparticles, resulting in more versatile, safer, and effective nanoparticles. Various primary and secondary metabolites, such as proteins, carbohydrates, lipids, nucleic acids, enzymes, vitamins, organic acids, alkaloids, flavonoids, and terpenes, have demonstrated strong metal reduction and stabilization properties that can be utilized to synthesize nanomaterials and influence their characters. While physical and chemical methods were previously used to synthesize these nanomaterials, their drawbacks, including high energy consumption, elevated cost, lower yield, and the use of toxic chemicals, have led to a shift towards eco-friendly, rapid, and efficient alternatives. Biomolecules act as reducing agents through deprotonation, nucleophilic reactions, transesterification reactions, ligand binding, and chelation mechanisms, which help sequester metal ions into stable metal nanoparticles (NPs). Engineered NPs have potential applications in various fields due to their optical, electronic, and magnetic properties, offering improved performance compared to bulkier counterparts. NPs can be used in medicine, food and agriculture, chemical catalysts, energy harvesting, electronics, etc. This review provides an overview of the role of primary and secondary metabolites in creating effective nanostructures and their potential applications.
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Affiliation(s)
- Chinmayee Acharya
- Department of Botany, Government Post Graduate College, Tikamgarh, 472001, India
- Maharaja Chhatrasal Bundelkhand University, Chhatarpur, 471001, India
| | - Sonam Mishra
- Centre of Materials Sciences, University of Allahabad, Prayagraj, 211002, India
| | - Sandeep Kumar Chaurasia
- Department of Botany, Government Post Graduate College, Tikamgarh, 472001, India.
- Maharaja Chhatrasal Bundelkhand University, Chhatarpur, 471001, India.
| | - Bishnu Kumar Pandey
- Department of Physics, SPM College, University of Allahabad, Prayagraj, 211013, India
| | - Ravindra Dhar
- Centre of Materials Sciences, University of Allahabad, Prayagraj, 211002, India
| | - Jitendra Kumar Pandey
- Department of Botany, Government Post Graduate College, Tikamgarh, 472001, India.
- Maharaja Chhatrasal Bundelkhand University, Chhatarpur, 471001, India.
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Geremew A, Gonzalles J, Peace E, Woldesenbet S, Reeves S, Brooks N, Carson L. Green Synthesis of Novel Silver Nanoparticles Using Salvia blepharophylla and Salvia greggii: Antioxidant and Antidiabetic Potential and Effect on Foodborne Bacterial Pathogens. Int J Mol Sci 2024; 25:904. [PMID: 38255978 PMCID: PMC10815671 DOI: 10.3390/ijms25020904] [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: 12/20/2023] [Revised: 01/03/2024] [Accepted: 01/08/2024] [Indexed: 01/24/2024] Open
Abstract
In the face of evolving healthcare challenges, the utilization of silver nanoparticles (AgNPs) has emerged as a compelling solution due to their unique properties and versatile applications. The aim of this study was the synthesis and characterization of novel AgNPs (SB-AgNPs and SG-AgNPs, respectively) using Salvia blepharophylla and Salvia greggii leaf extracts and the evaluation of their antimicrobial, antioxidant, and antidiabetic activities. Several analytical instrumental techniques were utilized for the characterization of SB-AgNPs and SG-AgNPs, including UV-visible (UV-Vis) spectroscopy, transmission electron microscopy (TEM), dynamic light scattering (DLS), Fourier transmission infrared (FT-IR) spectroscopy, energy-dispersive X-ray analysis (EDX), and X-ray diffraction (XRD). FTIR analysis identified various functional groups in the leaf extracts and nanoparticles, suggesting the involvement of phytochemicals as reducing and stabilizing agents. High-resolution TEM images displayed predominantly spherical nanoparticles with average sizes of 52.4 nm for SB-AgNPs and 62.5 nm for SG-AgNPs. Both SB-AgNPs and SG-AgNPs demonstrated remarkable antimicrobial activity against Gram-positive bacteria Staphylococcus aureus and Listeria monocytogenes and Gram-negative bacteria Salmonella typhimurium and Escherichia coli. SB-AgNPs and SG-AgNPs also exhibited 90.2 ± 1.34% and 89.5 ± 1.5% DPPH scavenging and 86.5 ± 1.7% and 80.5 ± 1.2% α-amylase inhibition, respectively, at a concentration of 100 μg mL-1. Overall, AgNPs synthesized using S. blepharophylla and Salvia greggii leaf extracts may serve as potential candidates for antibacterial, antioxidant, and antidiabetic agents. Consequently, this study provides viable solutions to mitigate the current crisis of antibiotic resistance and to efficiently combat antimicrobial infections and Type 2 diabetes.
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Affiliation(s)
- Addisie Geremew
- Cooperative Agricultural Research Center, Prairie View A&M University, Prairie View, TX 77446, USA; (A.G.); (J.G.III); (E.P.); (S.W.)
| | - John Gonzalles
- Cooperative Agricultural Research Center, Prairie View A&M University, Prairie View, TX 77446, USA; (A.G.); (J.G.III); (E.P.); (S.W.)
| | - Elisha Peace
- Cooperative Agricultural Research Center, Prairie View A&M University, Prairie View, TX 77446, USA; (A.G.); (J.G.III); (E.P.); (S.W.)
| | - Selamawit Woldesenbet
- Cooperative Agricultural Research Center, Prairie View A&M University, Prairie View, TX 77446, USA; (A.G.); (J.G.III); (E.P.); (S.W.)
| | - Sheena Reeves
- Department of Chemical Engineering, College of Engineering, Prairie View A&M University, Prairie View, TX 77446, USA; (S.R.); (N.B.J.)
| | - Nigel Brooks
- Department of Chemical Engineering, College of Engineering, Prairie View A&M University, Prairie View, TX 77446, USA; (S.R.); (N.B.J.)
| | - Laura Carson
- Cooperative Agricultural Research Center, Prairie View A&M University, Prairie View, TX 77446, USA; (A.G.); (J.G.III); (E.P.); (S.W.)
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Mohanta YK, Mishra AK, Panda J, Chakrabartty I, Sarma B, Panda SK, Chopra H, Zengin G, Moloney MG, Sharifi-Rad M. Promising applications of phyto-fabricated silver nanoparticles: Recent trends in biomedicine. Biochem Biophys Res Commun 2023; 688:149126. [PMID: 37951153 DOI: 10.1016/j.bbrc.2023.149126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 10/09/2023] [Accepted: 10/16/2023] [Indexed: 11/13/2023]
Abstract
The prospective contribution of phyto-nanotechnology to the synthesis of silver nanomaterials for biomedical purposes is attracting increasing interest across the world. Green synthesis of silver nanoparticles (Ag-NPs) through plants has been extensively examined recently, and it is now seen to be a green and efficient path for future exploitation and development of practical nano-factories. Fabrication of Ag-NPs is the process involves use of plant extracts/phyto-compounds (e.g.alkaloids, terpenoids, flavonoids, and phenolic compounds) to synthesise nanoparticles in more economical and feasible. Several findings concluded that in the field of medicine, Ag-NPs play a major role in pharmacotherapy (infection and cancer). Indeed, they exhibits novel properties but the reason is unclear (except some theoretical interpretation e.g. size, shape and morphology). But recent technological advancements help to address these questions by predicting the unique properties (composition and origin) by characterizing physical, chemical and biological properties. Due to increased list of publications and their application in the field of agriculture, industries and pharmaceuticals, issues relating to toxicity are unavoidable and question of debate. The present reviews aim to find out the role of plant extracts to synthesise Ag-NPs. It provides an overview of various phytocompounds and their role in the field of biomedicine (antibacterial, antioxidant, anticancer, anti-inflammatory etc.). In addition, this review also especially focused on various applications such as role in infection, oxidative stress, application in medical engineering, diagnosis and therapy, medical devices, orthopedics, wound healing and dressings. Additionally, the toxic effects of Ag-NPs in cell culture, tissue of different model organism, type of toxic reactions and regulation implemented to reduce associated risk are discussed critically. Addressing all above explanations, this review focus on the detailed properties of plant mediated Ag-NPs, its impact on biology, medicine and their commercial properties as well as toxicity.
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Affiliation(s)
- Yugal Kishore Mohanta
- Nano-biotechnology and Translational Knowledge Laboratory, Department of Applied Biology, School of Biological Sciences, University of Science and Technology Meghalaya (USTM), 9th Mile, Techno City, Baridua, Ri-Bhoi, Meghalaya, 793101, India; Centre for Herbal Pharmacology and Environmental Sustainability, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Kelambakkam, 603103, Tamil Nadu, India.
| | - Awdhesh Kumar Mishra
- Department of Biotechnology, Yeungnam University, Gyeongsan, 38541, South Korea.
| | - Jibanjyoti Panda
- Nano-biotechnology and Translational Knowledge Laboratory, Department of Applied Biology, School of Biological Sciences, University of Science and Technology Meghalaya (USTM), 9th Mile, Techno City, Baridua, Ri-Bhoi, Meghalaya, 793101, India.
| | - Ishani Chakrabartty
- Learning and Development Solutions, Indegene Pvt. Ltd., Manyata Tech Park, Nagarwara, Bangalore, 560045, Karnataka, India.
| | - Bhaskar Sarma
- Department of Botany, Dhemaji College, Dhemaji, 787057, Assam, India.
| | - Sujogya Kumar Panda
- Centre of Environment Climate Change and Public Health, RUSA 2.0, Deapartment of Zoology, Utkal University, Vani Vihar, Bhubaneswar, 751004, Odisha, India.
| | - Hitesh Chopra
- Department of Biosciences, Saveetha School of Engineering, Saveetha Institute of Medical and TechnicalSciences, Chennai, 602105, Tamil Nadu, India.
| | - Gokhan Zengin
- Department of Biology, Science Faculty, Selcuk University, 42130, Konya, Turkey.
| | - Mark G Moloney
- The Department of Chemistry, Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford, OX1 3TA, UK.
| | - Majid Sharifi-Rad
- Department of Range and Watershed Management, Faculty of Water and Soil, University of Zabol, Zabol, 98613-35856, Iran.
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Wahab S, Salman A, Khan Z, Khan S, Krishnaraj C, Yun SI. Metallic Nanoparticles: A Promising Arsenal against Antimicrobial Resistance-Unraveling Mechanisms and Enhancing Medication Efficacy. Int J Mol Sci 2023; 24:14897. [PMID: 37834344 PMCID: PMC10573543 DOI: 10.3390/ijms241914897] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 09/25/2023] [Accepted: 10/03/2023] [Indexed: 10/15/2023] Open
Abstract
The misuse of antibiotics and antimycotics accelerates the emergence of antimicrobial resistance, prompting the need for novel strategies to combat this global issue. Metallic nanoparticles have emerged as effective tools for combating various resistant microbes. Numerous studies have highlighted their potential in addressing antibiotic-resistant fungi and bacterial strains. Understanding the mechanisms of action of these nanoparticles, including iron-oxide, gold, zinc oxide, and silver is a central focus of research within the life science community. Various hypotheses have been proposed regarding how nanoparticles exert their effects. Some suggest direct targeting of microbial cell membranes, while others emphasize the release of ions from nanoparticles. The most compelling proposed antimicrobial mechanism of nanoparticles involves oxidative damage caused by nanoparticles-generated reactive oxygen species. This review aims to consolidate knowledge, discuss the properties and mechanisms of action of metallic nanoparticles, and underscore their potential as alternatives to enhance the efficacy of existing medications against infections caused by antimicrobial-resistant pathogens.
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Affiliation(s)
- Shahid Wahab
- Department of Food Science and Technology, College of Agriculture and Life Sciences, Jeonbuk National University, Jeonju 54896, Republic of Korea; (S.W.); (C.K.)
- Department of Agricultural Convergence Technology, College of Agriculture and Life Science, Jeonbuk National University, Jeonju 54896, Republic of Korea
| | - Alishba Salman
- Nanobiotechnology Laboratory, Department of Biotechnology University of Malakand, Dir Lower, Chakdara 18800, Khyber Pakhtunkhwa, Pakistan; (A.S.); (Z.K.); (S.K.)
| | - Zaryab Khan
- Nanobiotechnology Laboratory, Department of Biotechnology University of Malakand, Dir Lower, Chakdara 18800, Khyber Pakhtunkhwa, Pakistan; (A.S.); (Z.K.); (S.K.)
| | - Sadia Khan
- Nanobiotechnology Laboratory, Department of Biotechnology University of Malakand, Dir Lower, Chakdara 18800, Khyber Pakhtunkhwa, Pakistan; (A.S.); (Z.K.); (S.K.)
| | - Chandran Krishnaraj
- Department of Food Science and Technology, College of Agriculture and Life Sciences, Jeonbuk National University, Jeonju 54896, Republic of Korea; (S.W.); (C.K.)
- Department of Agricultural Convergence Technology, College of Agriculture and Life Science, Jeonbuk National University, Jeonju 54896, Republic of Korea
| | - Soon-Il Yun
- Department of Food Science and Technology, College of Agriculture and Life Sciences, Jeonbuk National University, Jeonju 54896, Republic of Korea; (S.W.); (C.K.)
- Department of Agricultural Convergence Technology, College of Agriculture and Life Science, Jeonbuk National University, Jeonju 54896, Republic of Korea
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Nanobiotechnological approaches in anticoagulant therapy: The role of bioengineered silver and gold nanomaterials. Talanta 2023; 256:124279. [PMID: 36709710 DOI: 10.1016/j.talanta.2023.124279] [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: 10/14/2022] [Revised: 01/15/2023] [Accepted: 01/17/2023] [Indexed: 01/25/2023]
Abstract
Nanotechnology is a novel area that has exhibited various remarkable applications, mostly in medicine and industry, due to the unique properties coming with the nanoscale size. One of the notable medical uses of nanomaterials (NMs) that attracted enormous attention recently is their significant anticoagulant activity, preventing or reducing coagulation of blood, decreasing the risk of strokes, heart attacks, and other serious conditions. Despite successful in vitro experiments, in vivo analyses are yet to be confirmed and further research is required to fully prove the safety and efficacy of nanoparticles (NPs) and to introduce them as valid alternatives to conventional ineffective anticoagulants with various shortcomings and side-effects. NMs can be synthesized through two main routes, i.e., the bottom-up route as a more preferable method, and the top-down route. In numerous studies, biological fabrication of NPs, especially metal NPs, is highly suggested given its eco-friendly approach, in which different resources can be employed such as plants, fungi, bacteria, and algae. This review discusses the green synthesis and characterization of silver nanoparticles (AgNPs) and gold nanoparticles (AuNPs) as two of the most useful metal NPs, and also their alloys in different studies focussing on their anticoagulant potential. Challenges and alternative approaches to the use of these NPs as anticoagulants have also been highlighted.
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One-Step Phytofabrication Method of Silver and Gold Nanoparticles Using Haloxylon salicornicum for Anticancer, Antimicrobial, and Antioxidant Activities. Pharmaceutics 2023; 15:pharmaceutics15020529. [PMID: 36839850 PMCID: PMC9958700 DOI: 10.3390/pharmaceutics15020529] [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: 01/04/2023] [Revised: 01/31/2023] [Accepted: 02/02/2023] [Indexed: 02/08/2023] Open
Abstract
Among various routes of metallic nanoparticle (NPs) fabrication, phytosynthesis has significant advantages over other conventional approaches. Plant-mediated synthesis of NPs is a fast, one-step, ecobenign, and inexpensive method with high scalability. Herein, silver (Ag) and gold (Au)-NPs were extracellularly synthesized using aqueous Haloxylon salicornicum (H@Ag-, H@Au-NPs) leaf extracts. GC-MS was performed to analyze the chemical compositions of H. salicornicum extract. H@Ag- and H@Au-NPs were characterized via UV-Vis spectroscopy, Fourier transform infrared spectroscopy, X-ray diffraction, transmission and scanning electron microscopy, and Zetasizer. H@Ag- and H@Au-NPs have surface plasmon resonance at 435.5 and 530.3 nm, respectively. FTIR and GC-MS data suggest that secondary plant metabolites and hydrocarbons might be responsible for the reduction and stabilization of NPs. XRD demonstrated that both NPs have a crystalline nature. H@Ag-NPs have a uniform spherical shape, whereas H@Au-NPs are spherical with few oval and triangular shapes, and their average nanosizes were 19.1 ± 0.8 and 8.1 ± 0.3 nm, respectively. Hydrodynamic diameters of H@Ag-NPs and H@Au-NPs were 184.7 nm, 56.4, and 295.4 nm, and their potential charges were -24.0 and -24.4 mV, respectively. The inhibitory activity of 500 µg/mL H@Ag- and H@Au-NPs was tested against Sw480, Sw620, HCT-116, and Caco-2 colon cancer cell lines and two normal cell lines, including HFs and Vero. H@Ag-NPs revealed potent anticancer activity against all cancer cells at low concentrations. Sw480 was the most sensitive cell to H@Ag-NPs, whereas Sw620 was the least permeable one. These findings suggested that the antiproliferative activity of H@Ag-NPs is cell-response-dependent and may be influenced by a variety of factors, including the cellular metabolic state, which influences cellular charge and interactions with charged NPs. Although H@Au-NPs were smaller, their reactivity against cancer cells was weak, suggesting that the chemical properties, metal structure, quantity and chemistry of the functional groups on the NP surface may influence their reactivity. The biocidal activity of 1 mg/mL H@Ag- and H@Au-NPs against Staphylococcus aureus, Bacillus cereus, Escherichia coli and Klebsiella pneumoniae was assessed. H@Ag-NPs showed biocidal activity against Gram-positive bacteria compared to Gram-negative bacteria, whereas H@Au-NPs showed no inhibitory activity. FRAP and DPPH assays were used to determine the scavenging activity of the plant extracts and both NPs. H@Ag-NPs (1 mg/mL) had the greatest scavenging activity compared to tested drugs. These findings suggest that H@Ag-NPs are potent anticancer, antibacterial, and antioxidant agents, while H@Au-NPs may be used as a drug vehicle for pharmaceutical applications.
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Rashid S, Ahmad R, Azeem M, Al Farraj DA, Ali Khan S, Soliman Elshikh M, Mehmood Abbasi A. Synthesis of Rumex hastatus based silver nanoparticles induced the inhibition of human pathogenic bacterial strains. ARAB J CHEM 2023. [DOI: 10.1016/j.arabjc.2023.104710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/26/2023] Open
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Li Y, Wang Y, Wu J, Pan Y, Ye H, Zeng X. Synthesis of Silver Nanowires Using a Polyvinylpyrrolidone-Free Method with an Alpinia zerumbet Leaf Based on the Oriented Attachment Mechanism. ACS OMEGA 2023; 8:2237-2242. [PMID: 36687036 PMCID: PMC9850736 DOI: 10.1021/acsomega.2c06481] [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: 10/08/2022] [Accepted: 12/12/2022] [Indexed: 06/17/2023]
Abstract
In this study, silver nanowires (AgNWs) were successfully synthesized by using a polyvinylpyrrolidone (PVP)-free hydrothermal method with an Alpinia zerumbet leaf chunk as a reducing agent and template. Meanwhile, the mechanism of biomass synthesis of AgNWs is also explored. The AgNWs have a diameter of ∼77 nm and a length of ∼10 μm. During the hydrothermal process, the biomass initially serves as a reducing agent to reduce silver ions. As the reaction proceeds, the biomass will form a pipe-shaped soft template by hydrothermal carbonization. Silver ions are adsorbed and reduced along the pipe-shaped soft templates to form silver nanorods, and adjacent nanorods are merged to AgNWs. Thus, AgNWs are grown along the pipeline soft template based on the oriented attachment mechanism. Inspired by this, the mechanism of the polyol method was further investigated. In the initial growth stage, AgNWs synthesized by the polyol method have a V-shaped notch. Therefore, AgNWs synthesized by the polyol method may also grow on the basis of the oriented attachment mechanism with PVP as a template.
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Affiliation(s)
- Yanling Li
- Research
and Develop Center, Shenzhen Huake-Tek Co.,
Ltd., Shenzhen, Guangdong 518116, China
| | - Ying Wang
- Research
and Develop Center, Shenzhen Huake-Tek Co.,
Ltd., Shenzhen, Guangdong 518116, China
| | - Junqing Wu
- Research
and Develop Center, Shenzhen Huake-Tek Co.,
Ltd., Shenzhen, Guangdong 518116, China
| | - Yingying Pan
- Research
and Develop Center, Shenzhen Huake-Tek Co.,
Ltd., Shenzhen, Guangdong 518116, China
| | - Huangqing Ye
- International
Collaborative Laboratory of 2D Materials for Optoelectronics Science
and Technology of the Ministry of Education, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen, Guangdong 518060, China
| | - Xiping Zeng
- Research
and Develop Center, Shenzhen Huake-Tek Co.,
Ltd., Shenzhen, Guangdong 518116, China
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Chahardoli A, Mavaei M, Shokoohinia Y, Fattahi A. Galbanic acid, a sesquiterpene coumarin as a novel candidate for the biosynthesis of silver nanoparticles: In vitro hemocompatibility, antiproliferative, antibacterial, antioxidant, and anti-inflammatory properties. ADV POWDER TECHNOL 2023. [DOI: 10.1016/j.apt.2022.103928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Saravanan A, Kumar PS, Hemavathy RV, Jeevanantham S, Jawahar MJ, Neshaanthini JP, Saravanan R. A review on synthesis methods and recent applications of nanomaterial in wastewater treatment: Challenges and future perspectives. CHEMOSPHERE 2022; 307:135713. [PMID: 35843436 DOI: 10.1016/j.chemosphere.2022.135713] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Revised: 06/27/2022] [Accepted: 07/11/2022] [Indexed: 06/15/2023]
Abstract
Freshwater has been incessantly polluted by various activities such as rapid industrialization, fast growth of population and agricultural activities. Water pollution is considered as one the major threatens to human health and aquatic bodies which causes various severe harmful diseases including gastrointestinal disorders, asthma, cancer, etc. The polluted wastewater could be treated by different conventional and advanced methodologies. Amongst them, adsorption is the most utilized low cost, efficient technique to treat and remove the harmful pollutants from the wastewater. The efficiency of adsorption mainly depends on the surface properties such as functional group availability and surface area of the adsorbents used. Since various waste-based carbon derivatives are utilized as adsorbents for harmful pollutants removal; nanomaterials are employed as effective adsorbents in recent times due to its excellent surface properties. This review presents an overview of the different types of nanomaterials such as nano-particles, nanotubes, nano-sheets, nano-rods, nano-spheres, quantum dots, etc. which have been synthesized by different chemical and green synthesis methodologies using plants, microorganisms, biomolecules and carbon derivatives, metals and metal oxides and polymers. By concentrating on potential research difficulties, this study offers a new viewpoint on fundamental field of nanotechnology for wastewater treatment applications. This review paper critically reviewed the synthesis of nanomaterials more importantly green synthesis and their applications in wastewater treatment to remove the harmful pollutants such as heavy metals, dyes, pesticides, polycyclic aromatic hydrocarbons, etc.
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Affiliation(s)
- A Saravanan
- Department of Sustainable Engineering, Institute of Biotechnology, Saveetha School of Engineering, SIMATS, 602105, Chennai, India
| | - P Senthil Kumar
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, 603110, Chennai, India; Centre of Excellence in Water Research (CEWAR), Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603110, India.
| | - R V Hemavathy
- Department of Biotechnology, Rajalakshmi College of Engineering, Chennai, 602105, India
| | - S Jeevanantham
- Department of Biotechnology, Rajalakshmi College of Engineering, Chennai, 602105, India
| | - Marie Jyotsna Jawahar
- Department of Biotechnology, Rajalakshmi College of Engineering, Chennai, 602105, India
| | - J P Neshaanthini
- Department of Biotechnology, Rajalakshmi College of Engineering, Chennai, 602105, India
| | - R Saravanan
- Department of Mechanical Engineering, Universidad de Tarapacá, Arica, Chile
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Pérez-Marroquín XA, Aguirre-Cruz G, Campos-Lozada G, Callejas-Quijada G, León-López A, Campos-Montiel RG, García-Hernández L, Méndez-Albores A, Vázquez-Durán A, Aguirre-Álvarez G. Green Synthesis of Silver Nanoparticles for Preparation of Gelatin Films with Antimicrobial Activity. Polymers (Basel) 2022; 14:3453. [PMID: 36080528 PMCID: PMC9460488 DOI: 10.3390/polym14173453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 08/11/2022] [Accepted: 08/20/2022] [Indexed: 11/16/2022] Open
Abstract
Silver nanoparticles were successfully synthesized using Thuja orientalis aqueous extract and AgNO3 as a precursor. UV-Vis showed a distinct absorption peak at 424 nm attributed to silver nanoparticles due to their surface plasmon resonance. Atomic absorption analysis reflected an increase in the concentration of nanoparticles in relation to the progress of the synthesis, obtaining a peak concentration value of 15.7 mg/L at 50 min. The FTIR spectra revealed the characteristic functional groups of phytomolecules involved in the silver-ion binding process, such as R-O-H (3335 cm-1) O=C-OH (2314 cm-1) and C-C=C (1450 cm-1). At 50 min, zeta potential showed the stability of the nanoparticles with the value of -21.73 mV. TEM micrographs revealed the formation of spherical nanoparticles with an average size of about 85.77 nm. Furthermore, films incorporated with nanoparticles exhibited a Tg from 66.42 °C to 73.71 °C and Tm at 103.31 °C. Films from the G22 formulation presented excellent antibacterial properties inhibiting the growth of Staphylococcus aureus. Thuja orientalis aqueous extract could be a low-cost, eco-friendly, and efficient reducing and capping agent for the synthesis of nanometric-sized Ag particles. Gelatin films with nanoparticles are expected to have high potential as an active food packaging system.
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Affiliation(s)
- Xóchitl A. Pérez-Marroquín
- Instituto de Ciencias Agropecuarias, Universidad Autónoma del Estado de Hidalgo, Av. Universidad Km. 1 Rancho Universitario, Tulancingo C.P. 43684, Hidalgo, Mexico
| | - Gabriel Aguirre-Cruz
- Centro de Desarrollo en Nanotecnología, Universidad Tecnológica de Tulancingo, Área Electromecánica Industrial, Camino a Ahuehuetitla No. 301, Colonia Las Presas, Tulancingo C.P. 43642, Hidalgo, Mexico
- Uni-Collagen S.A. de C.V., Arnulfo González No. 203, El Paraíso, Tulancingo C.P. 43684, Hidalgo, Mexico
| | - Gieraldin Campos-Lozada
- Instituto de Ciencias Agropecuarias, Universidad Autónoma del Estado de Hidalgo, Av. Universidad Km. 1 Rancho Universitario, Tulancingo C.P. 43684, Hidalgo, Mexico
| | - Graciela Callejas-Quijada
- Instituto de Ciencias Agropecuarias, Universidad Autónoma del Estado de Hidalgo, Av. Universidad Km. 1 Rancho Universitario, Tulancingo C.P. 43684, Hidalgo, Mexico
| | - Arely León-López
- Instituto de Ciencias Agropecuarias, Universidad Autónoma del Estado de Hidalgo, Av. Universidad Km. 1 Rancho Universitario, Tulancingo C.P. 43684, Hidalgo, Mexico
| | - Rafael G. Campos-Montiel
- Instituto de Ciencias Agropecuarias, Universidad Autónoma del Estado de Hidalgo, Av. Universidad Km. 1 Rancho Universitario, Tulancingo C.P. 43684, Hidalgo, Mexico
| | - Laura García-Hernández
- Centro de Desarrollo en Nanotecnología, Universidad Tecnológica de Tulancingo, Área Electromecánica Industrial, Camino a Ahuehuetitla No. 301, Colonia Las Presas, Tulancingo C.P. 43642, Hidalgo, Mexico
| | - Abraham Méndez-Albores
- Unidad de Investigación Multidisciplinaria L14-A1 (Ciencia y Tecnología de Materiales). Km 2.5 Carretera Cuautitlán-Teoloyucan San Sebastián Xhala, Cuautitlán Izcalli C.P. 54714, Estado de México, Mexico
| | - Alma Vázquez-Durán
- Unidad de Investigación Multidisciplinaria L14-A1 (Ciencia y Tecnología de Materiales). Km 2.5 Carretera Cuautitlán-Teoloyucan San Sebastián Xhala, Cuautitlán Izcalli C.P. 54714, Estado de México, Mexico
| | - Gabriel Aguirre-Álvarez
- Instituto de Ciencias Agropecuarias, Universidad Autónoma del Estado de Hidalgo, Av. Universidad Km. 1 Rancho Universitario, Tulancingo C.P. 43684, Hidalgo, Mexico
- Uni-Collagen S.A. de C.V., Arnulfo González No. 203, El Paraíso, Tulancingo C.P. 43684, Hidalgo, Mexico
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12
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Green synthesis of silver nanoparticles using Acacia leucophloea in the presence of cetyltrimethylammonium bromide and their antibacterial activity. Colloid Polym Sci 2022. [DOI: 10.1007/s00396-022-04995-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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13
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Catechin mediated green synthesis of Au nanoparticles: Experimental and theoretical approaches to the determination HOMO-LUMO energy gap and reactivity indexes for the (+)-epicatechin (2S, 3S). ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.103758] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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14
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Karthik C, Punnaivalavan KA, Prabha SP, Caroline DG. Multifarious global flora fabricated phytosynthesis of silver nanoparticles: a green nanoweapon for antiviral approach including SARS-CoV-2. INTERNATIONAL NANO LETTERS 2022; 12:313-344. [PMID: 35194512 PMCID: PMC8853038 DOI: 10.1007/s40089-022-00367-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Accepted: 01/24/2022] [Indexed: 12/11/2022]
Abstract
The progressive research into the nanoscale level upgrades the higher end modernized evolution with every field of science, engineering, and technology. Silver nanoparticles and their broader range of application from nanoelectronics to nano-drug delivery systems drive the futuristic direction of nanoengineering and technology in contemporary days. In this review, the green synthesis of silver nanoparticles is the cornerstone of interest over physical and chemical methods owing to its remarkable biocompatibility and idiosyncratic property engineering. The abundant primary and secondary plant metabolites collectively as multifarious phytochemicals which are more peculiar in the composition from root hair to aerial apex through various interspecies and intraspecies, capable of reduction, and capping with the synthesis of silver nanoparticles. Furthermore, the process by which intracellular, extracellular biological macromolecules of the microbiota reduce with the synthesis of silver nanoparticles from the precursor molecule is also discussed. Viruses are one of the predominant infectious agents that gets faster resistance to the antiviral therapies of traditional generations of medicine. We discuss the various stages of virus targeting of cells and viral target through drugs. Antiviral potential of silver nanoparticles against different classes and families of the past and their considerable candidate for up-to-the-minute need of complete addressing of the fulminant and opportunistic global pandemic of this millennium SARS-CoV2, illustrated through recent silver-based formulations under development and approval for countering the pandemic situation. Graphical abstract
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Affiliation(s)
- C. Karthik
- Department of Biotechnology, St. Joseph’s College of Engineering, Old Mamallapuram Road, Chennai, 600119 Tamil Nadu India
| | - K. A. Punnaivalavan
- Department of Biotechnology, St. Joseph’s College of Engineering, Old Mamallapuram Road, Chennai, 600119 Tamil Nadu India
| | - S. Pandi Prabha
- Department of Biotechnology, Sri Venkateswara College of Engineering, Sriperumbudur Taluk, Chennai, 602117 Tamil Nadu India
| | - D. G. Caroline
- Department of Biotechnology, St. Joseph’s College of Engineering, Old Mamallapuram Road, Chennai, 600119 Tamil Nadu India
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15
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Butnariu M, Quispe C, Herrera-Bravo J, Pentea M, Sarac I, Küşümler AS, Özçelik B, Painuli S, Semwal P, Imran M, Gondal TA, Emamzadeh-Yazdi S, Lapava N, Yousaf Z, Kumar M, Eid AH, Al-Dhaheri Y, Suleria HAR, del Mar Contreras M, Sharifi-Rad J, Cho WC. Papaver Plants: Current Insights on Phytochemical and Nutritional Composition Along with Biotechnological Applications. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:2041769. [PMID: 36824615 PMCID: PMC9943628 DOI: 10.1155/2022/2041769] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 07/13/2021] [Accepted: 01/06/2022] [Indexed: 11/17/2022]
Abstract
The genus Papaver is highly esteemed in the pharmacy industry, in the culinary field, and as ornamental plants. These plants are also valued in traditional medicine. Among all Papaver species, Papaver somniferum L. (opium poppy) is the most important species in supplying phytochemicals for the formulation of drugs, mainly alkaloids like morphine, codeine, rhoeadine, thebaine, and papaverine. In addition, Papaver plants present other types of phytochemicals, which altogether are responsible for its biological activities. Therefore, this review covers the phytochemical composition of Papaver plants, including alkaloids, phenolic compounds, and essential oils. The traditional uses are reviewed along with their pharmacological activities. Moreover, safety aspects are reported to provide a deep overview of the pharmacology potential of this genus. An updated search was carried out in databases such as Google Scholar, ScienceDirect, and PubMed to retrieve the information. Overall, this genus is a rich source of alkaloids of different types and also contains interesting phenolic compounds, such as anthocyanins, flavonols, and the characteristic indole derivatives nudicaulins. Among other pharmacological properties, numerous preclinical studies have been published about the analgesic, anticancer, antimicrobial, antioxidant, and antidiabetic activities of Papaver plants. Although it highlights the significant impact of this genus for the treatment of a variety of diseases and conditions, as a future prospect, characterization works accompanying preclinical studies are required along with clinical and toxicology studies to establish a correlation between the scientific and traditional knowledge.
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Affiliation(s)
- Monica Butnariu
- Banat's University of Agricultural Sciences and Veterinary Medicine “King Michael I of Romania” from Timisoara, Timisoara, Romania
| | - Cristina Quispe
- Facultad de Ciencias de la Salud, Universidad Arturo Prat, Avda. Arturo Prat 2120, Iquique 1110939, Chile
| | - Jesús Herrera-Bravo
- Departamento de Ciencias Básicas, Facultad de Ciencias, Universidad Santo Tomas, Chile
- Center of Molecular Biology and Pharmacogenetics, Scientific and Technological Bioresource Nucleus, Universidad de La Frontera, Temuco 4811230, Chile
| | - Marius Pentea
- Banat's University of Agricultural Sciences and Veterinary Medicine “King Michael I of Romania” from Timisoara, Timisoara, Romania
| | - Ioan Sarac
- Banat's University of Agricultural Sciences and Veterinary Medicine “King Michael I of Romania” from Timisoara, Timisoara, Romania
| | - Aylin Seylam Küşümler
- İstanbul Okan University, Nutrition and Dietetics Department, Tuzla, İstanbul, Turkey
| | - Beraat Özçelik
- Department Food Engineering, Faculty of Chemical and Metallurgical Engineering, Istanbul Technical University, Maslak, 34469 Istanbul, Turkey
- BIOACTIVE Research & Innovation Food Manufacturing Industry Trade LTD Co., Maslak, Istanbul 34469, Turkey
| | - Sakshi Painuli
- Department of Biotechnology, Graphic Era University, 248001, Dehradun, Uttarakhand, India
- Himalayan Environmental Studies and Conservation Organization, Prem Nagar, Dehradun, 248001 Uttarakhand, India
| | - Prabhakar Semwal
- Department of Biotechnology, Graphic Era University, 248001, Dehradun, Uttarakhand, India
- Department of Life Sciences, Graphic Era Deemed to be University, Dehradun-248002, Uttarakhand, India
| | - Muhammad Imran
- University Institute of Diet and Nutritional Sciences, Faculty of Allied Health Sciences, The University of Lahore-Lahore, Pakistan
| | | | - Simin Emamzadeh-Yazdi
- Department of Plant and Soil Sciences, University of Pretoria, Gauteng 0002, South Africa
| | - Natallia Lapava
- Medicine Standardization Department of Vitebsk State Medical University, Belarus
| | | | - Manoj Kumar
- Chemical and Biochemical Processing Division, ICAR-Central Institute for Research on Cotton Technology, 400019, Mumbai, India
| | - Ali Hussein Eid
- Department of Basic Medical Sciences, College of Medicine, QU Health, Qatar University, PO Box 2713, Doha, Qatar
- Biomedical and Pharmaceutical Research Unit, QU Health, Qatar University, PO Box 2713, Doha, Qatar
| | - Yusra Al-Dhaheri
- Department of Biology, College of Science, United Arab Emirates University, UAE
| | | | - María del Mar Contreras
- Department of Chemical, Environmental and Materials Engineering, Universidad de Jaén, Campus las Lagunillas, s/n, 23071 Jaén, Spain
| | | | - William C. Cho
- Department of Clinical Oncology, Queen Elizabeth Hospital, Kowloon, Hong Kong
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16
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Monodispersed AgNPs Synthesized from the Nanofactories of Theobroma cacao (Cocoa) Leaves and Pod Husk and Their Antimicrobial Activity. Int J Biomater 2022; 2022:4106558. [PMID: 35154327 PMCID: PMC8828336 DOI: 10.1155/2022/4106558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 11/07/2021] [Accepted: 12/21/2021] [Indexed: 11/18/2022] Open
Abstract
Silver nanoparticles (AgNPs) have been synthesized from the more chemically rich and diverse cocoa pod; the synthesis of silver nanoparticles from cocoa leaves, which are less rich and have low diversity in bioactive molecules, is yet to be achieved. In this work, AgNPs produced using the extracts of the cocoa leaf (CL) and cocoa pods (CP) have been investigated and their antimicrobial activity against E. coli was evaluated. UV-visible absorption spectroscopy was used to examine the reduction of silver ions in solution and the surface plasmon resonance of AgNPs. Scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), dynamic light scattering (DLS), X-ray diffraction (XRD), and Fourier transform infrared spectroscopy (FTIR) were used to further characterize the nanoparticles. The crystalline nature of AgNPs was confirmed by XRD, and the purity and presence of elemental silver were determined by EDX. CL-AgNPs were observed to have a surface plasmon resonance of 425 nm, while CP-AgNPs had a surface plasmon resonance of 440 nm. CL-AgNPs had a significantly higher purity than CP-AgNPs. With a shorter nucleation time, the intensity of the UV-Vis spectrum was always higher in the case of CL-AgNPs, indicating a larger population of bioactive molecules available for CL-AgNPs synthesis. FTIR confirmed the presence of phenolic compounds in the leaf and pod extract, implying that water-soluble polyphenolic and flavonoid chemicals are responsible for nanoparticle reduction, capping, and stability. AgNPs generated from CL and CP extracts are polydispersed, with particle sizes of 10–110 nm and 20–680 nm, respectively, according to DLS. The corresponding zeta potentials measured are −2.7 mV for CL-AgNPs and −0.93 mV for CP-AgNPs. The zeta potential values suggest that the particles have long-term stability. Furthermore, CL-AgNPs outperformed CP-AgNPs in terms of antibacterial activity against Escherichia coli. CL-AgNPs were found to have a maximal inhibitory zone of 21 mm.
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17
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Assessment of behavioral changes and antitumor effects of silver nanoparticles synthesized using diosgenin in mice model. J Drug Deliv Sci Technol 2021. [DOI: 10.1016/j.jddst.2021.102766] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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18
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Jain AS, Pawar PS, Sarkar A, Junnuthula V, Dyawanapelly S. Bionanofactories for Green Synthesis of Silver Nanoparticles: Toward Antimicrobial Applications. Int J Mol Sci 2021; 22:11993. [PMID: 34769419 PMCID: PMC8584914 DOI: 10.3390/ijms222111993] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 11/01/2021] [Accepted: 11/03/2021] [Indexed: 12/24/2022] Open
Abstract
Among the various types of nanoparticles and their strategy for synthesis, the green synthesis of silver nanoparticles has gained much attention in the biomedical, cellular imaging, cosmetics, drug delivery, food, and agrochemical industries due to their unique physicochemical and biological properties. The green synthesis strategies incorporate the use of plant extracts, living organisms, or biomolecules as bioreducing and biocapping agents, also known as bionanofactories for the synthesis of nanoparticles. The use of green chemistry is ecofriendly, biocompatible, nontoxic, and cost-effective. We shed light on the recent advances in green synthesis and physicochemical properties of green silver nanoparticles by considering the outcomes from recent studies applying SEM, TEM, AFM, UV/Vis spectrophotometry, FTIR, and XRD techniques. Furthermore, we cover the antibacterial, antifungal, and antiparasitic activities of silver nanoparticles.
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Affiliation(s)
- Ashvi Sanjay Jain
- Department of Pharmaceutical Sciences & Technology, Institute of Chemical Technology, Nathalal Parekh Marg, Matunga, Mumbai 400019, India; (A.S.J.); (P.S.P.)
| | - Pranita Subhash Pawar
- Department of Pharmaceutical Sciences & Technology, Institute of Chemical Technology, Nathalal Parekh Marg, Matunga, Mumbai 400019, India; (A.S.J.); (P.S.P.)
| | - Aira Sarkar
- Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, MD 21218, USA;
| | | | - Sathish Dyawanapelly
- Department of Pharmaceutical Sciences & Technology, Institute of Chemical Technology, Nathalal Parekh Marg, Matunga, Mumbai 400019, India; (A.S.J.); (P.S.P.)
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19
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Shafaei A, Khayati GR, Hoshyar R. Green and cost-effective synthesis, characterization and DFT studying of silver nanoparticles for improving their biological properties by opium syrup as biomedical drug and good biocompatibility. INORG NANO-MET CHEM 2021. [DOI: 10.1080/24701556.2021.1993257] [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)
- Amineh Shafaei
- Department of Nanotechnology, Mineral Industries Research Center (MIRC), Shahid Bahonar University of Kerman, Kerman, Iran
| | - Gholam Reza Khayati
- Department of Materials Science and Engineering, Faculty of Engineering, Shahid Bahonar University of Kerman, Kerman, Iran
| | - Reyhane Hoshyar
- Department of Microbiology and Molecular Genetics, Biomedical Physical Sciences, Michigan State University, East Lansing, MI, USA
- Cellular and Molecular Research Center, Department of Biochemistry, Faculty of Medicine, Birjand University of Medical Sciences, Birjand, Iran
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20
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Pandey R, Bhairam M, Shukla SS, Gidwani B. Colloidal and vesicular delivery system for herbal bioactive constituents. ACTA ACUST UNITED AC 2021; 29:415-438. [PMID: 34327650 DOI: 10.1007/s40199-021-00403-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Accepted: 06/16/2021] [Indexed: 12/18/2022]
Abstract
OBJECTIVES The main objective of the present review is to explore and examine the effectiveness of currently developed novel techniques to resolve the issues which are associated with the herbal constituents/extract. METHODS A systematic thorough search and collection of reviewed information from Science direct, PubMed and Google Scholar databases based on various sets of key phrases have been performed. All the findings from these data have been studied and briefed based on their relevant and irrelevant information. RESULT Herbal drugs are gaining more popularity in the modern world due to their applications in curing various ailments with minimum toxic effects, side effect or adverse effect. However, various challenges exist with herbal extracts/plant actives such as poor solubility (water/lipid), poor permeation, lack of targeting specificity, instability in highly acidic pH, and liver metabolism, etc. Nowadays with the expansion in the technology, novel drug delivery system provides avenues and newer opportunity towards the delivery of herbal drugs with improved physical chemical properties, pharmacokinetic and pharmacodynamic. Developing nano-strategies like Polymeric nanoparticles, Liposomes, Niosomes, Microspheres, Phytosomes, Nanoemulsion and Self Nano Emulsifying Drug Delivery System, etc. imparts benefits for delivery of phyto formulation and herbal bioactives. Nano formulation of phytoconstituents/ herbal extract could lead to enhancement of aqueous solubility, dissolution, bioavailability, stability, reduce toxicity, permeation, sustained delivery, protection from enzymatic degradation, etc. CONCLUSION: Based on the above findings, the conclusion can be drawn that the nano sized novel drug delivery systems of herbal and herbal bioactives have a potential future for upgrading the pharmacological action and defeating or overcoming the issues related with these constituents. The aims of the present review was to summarize and critically analyze the recent development of nano sized strategies for promising phytochemicals delivery systems along with their therapeutic applications supported by experimental evidence and discussing the opportunities for further aspects.
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Affiliation(s)
- Ravindra Pandey
- Columbia Institute of Pharmacy Raipur, Raipur, Chhattisgarh, India.
| | - Monika Bhairam
- Columbia Institute of Pharmacy Raipur, Raipur, Chhattisgarh, India
| | | | - Bina Gidwani
- Columbia Institute of Pharmacy Raipur, Raipur, Chhattisgarh, India
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21
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Kumar A, Kumar S, Kiran K, Banerjee S, Pande V, Dandapat A. Myco-nanotechnological approach to synthesize silver oxide nanocuboids using endophytic fungus isolated from Citrus pseudolimon plant. Colloids Surf B Biointerfaces 2021; 206:111948. [PMID: 34224931 DOI: 10.1016/j.colsurfb.2021.111948] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 05/23/2021] [Accepted: 06/25/2021] [Indexed: 11/18/2022]
Abstract
The current study reports the isolation of Colletotrichum plurivorum, an endophytic fungus from a Citrus pseudolimon plant and its utilization in the green synthesis of silver oxide nanocuboids (Ag2O NCs) at room temperature. The synthesized nanocrystals were thoroughly characterized by UV-vis, FTIR spectroscopy, field emission scanning electron microscope (FESEM), transmission electron microscope (TEM), X-ray diffraction (XRD) analyses. Electron microscopic images confirmed the formation of cuboid shaped particles having size 200-250 nm in length and 80-150 nm in width, whereas, XRD and selected area electron diffraction (SAED) pattern confirms the formation of cubic Ag2O nanocrystals. Then these Ag2O NCs are applied in antibacterial activities against a pathogenic gram-negative bacteria Escherichia coli and gram-positive bacteria Bacillus subtilis and found very good activities against them. Currently these types of nanocuboids have drawn great interest in the field of catalysis, photocatalysis to biomedical applications.
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Affiliation(s)
- Aman Kumar
- Department of Biotechnology, Sir J. C. Bose Technical Campus, Kumaun University, Bhimtal, Uttarakhand, 263136, India
| | - Suresh Kumar
- Department of Biotechnology, Sir J. C. Bose Technical Campus, Kumaun University, Bhimtal, Uttarakhand, 263136, India
| | - Kumari Kiran
- Department of Biotechnology, Sir J. C. Bose Technical Campus, Kumaun University, Bhimtal, Uttarakhand, 263136, India
| | - Sabyasachi Banerjee
- Department of Biotechnology, Sir J. C. Bose Technical Campus, Kumaun University, Bhimtal, Uttarakhand, 263136, India
| | - Veena Pande
- Department of Biotechnology, Sir J. C. Bose Technical Campus, Kumaun University, Bhimtal, Uttarakhand, 263136, India
| | - Anirban Dandapat
- Department of Biotechnology, Sir J. C. Bose Technical Campus, Kumaun University, Bhimtal, Uttarakhand, 263136, India; Department of Chemistry, D.S.B. Campus, Kumaun University, Nainital, Uttarakhand, 263002, India.
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22
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Microwave Mediated Fast Synthesis of Silver Nanoparticles and Investigation of Their Antibacterial Activities for Gram-Positive and Gram-Negative Microorganisms. CRYSTALS 2021. [DOI: 10.3390/cryst11060666] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Herein, a simple one-step microwave irradiation technique has been used to synthesize the silver nanoparticles using silver nitrate (AgNO3) solution and cetyltrimethyl ammonium bromide (CTAB) as a stabilizing agent. The crystals of as-prepared nanoparticles were studied using X-ray diffraction (XRD) and a selected area electron diffraction (SAED) pattern, confirming the single-phase face-centered cubic structure. The optical property measured using UV-Vis spectroscopy shows an absorption maximum at 420 nm, which also confirms the formation of silver nanoparticles. Transmission electron microscopy (TEM) analysis revealed that the silver nanoparticles have a spherical shape with an average diameter of ~6 nm. The antibacterial properties of silver nanoparticles were investigated using both Gram-positive and Gram-negative microorganisms, such as Staphylococcus aureus, Pseudomonas aeruginosa, andEscherichia coli. Klebsiella pneumoniae, and Candida albicans. Results showed a highest zone of inhibition of about 35 mm against P. aeruginosa as compared with E. coli (21 mm), S. aureus (30 mm), K. pneumonia (28 mm), and C. albicans (29 mm). These studies suggested that silver nanoparticles prepared by this fast and effective method might be developed as antibacterial agents against an extensive range of microorganisms to control and stop the spreading and persistence of bacterial infections.
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23
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Alrefaee SH, Rhee KY, Verma C, Quraishi M, Ebenso EE. Challenges and advantages of using plant extract as inhibitors in modern corrosion inhibition systems: Recent advancements. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2020.114666] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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24
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Barhoum A, Jeevanandam J, Rastogi A, Samyn P, Boluk Y, Dufresne A, Danquah MK, Bechelany M. Plant celluloses, hemicelluloses, lignins, and volatile oils for the synthesis of nanoparticles and nanostructured materials. NANOSCALE 2020; 12:22845-22890. [PMID: 33185217 DOI: 10.1039/d0nr04795c] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
A huge variety of plants are harvested worldwide and their different constituents can be converted into a broad range of bionanomaterials. In parallel, much research effort in materials science and engineering is focused on the formation of nanoparticles and nanostructured materials originating from agricultural residues. Cellulose (40-50%), hemicellulose (20-40%), and lignin (20-30%) represent major plant ingredients and many techniques have been described that separate the main plant components for the synthesis of nanocelluloses, nano-hemicelluloses, and nanolignins with divergent and controllable properties. The minor components, such as essential oils, could also be used to produce non-toxic metal and metal oxide nanoparticles with high bioavailability, biocompatibility, and/or bioactivity. This review describes the chemical structure, the physical and chemical properties of plant cell constituents, different techniques for the synthesis of nanocelluloses, nanohemicelluloses, and nanolignins from various lignocellulose sources and agricultural residues, and the extraction of volatile oils from plants as well as their use in metal and metal oxide nanoparticle production and emulsion preparation. Furthermore, details about the formation of activated carbon nanomaterials by thermal treatment of lignocellulose materials, a few examples of mineral extraction from agriculture waste for nanoparticle fabrication, and the emerging applications of plant-based nanomaterials in different fields, such as biotechnology and medicine, environment protection, environmental remediation, or energy production and storage, are also included. This review also briefly discusses the recent developments and challenges of obtaining nanomaterials from plant residues, and the issues surrounding toxicity and regulation.
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Affiliation(s)
- Ahmed Barhoum
- Chemistry Department, Faculty of Science, Helwan University, 11795 Cairo, Egypt.
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25
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Huang H, Shan K, Liu J, Tao X, Periyasamy S, Durairaj S, Jiang Z, Jacob JA. Synthesis, optimization and characterization of silver nanoparticles using the catkin extract of Piper longum for bactericidal effect against food-borne pathogens via conventional and mathematical approaches. Bioorg Chem 2020; 103:104230. [PMID: 32916540 PMCID: PMC7449118 DOI: 10.1016/j.bioorg.2020.104230] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 08/03/2020] [Accepted: 08/08/2020] [Indexed: 02/06/2023]
Abstract
Inspired with an increasing environmental awareness, we performed an eco-friendly amenable process for the synthesis of silver nanoparticles (AgNPs) using the catkins of Piper longum as an alternative approach with the existing methods of using plant extracts. The fabrication of nanoparticles occurred within 10 min. This was initially observed by colour change of the solution. UV-visible spectroscopic studies (UV-Vis) were performed for further confirmation. The analysis elucidated that the surface plasmon resonance (SPR) was specifically corresponding to AgNPs. Fourier transform infrared spectrophotometry (FTIR) studies indicated that polyphenols could possibly be the encapsulating agents. The size and shape of the nanoparticles was analysed using Transmission electron microscopy (TEM). The nanoparticles were predominant spheres ranging between 10 and 42 nm at two different scales. The formation of elemental silver was confirmed further by X-ray photoelectron spectroscopy (XPS) and X-ray powder diffraction (XRD). GC-MS analysis was used to identify the possible encapsulates on the nanoparticles. The antibacterial effect of the biosynthesized AgNPs was tested against two gram-positive (Bacillus cereus and Staphylococcus aureus), and five gram-negative (Escherichia coli, Proteus mirabilis, Klebsiella pneumoniae, Pseudomonas aeruginosa and Salmonella typhi) bacteria. Outcomes of the study suggest that these pathogens were susceptible to the AgNPs. This is the first ever international report on correlating the antibacterial effect of silver nanoparticles using mathematical modelling with a conventional antimicrobial assay. The results indicate that nanoparticles of silver synthesized using catkin extract of P. longum can be exploited towards the development of potential antibacterial agents.
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Affiliation(s)
- Hui Huang
- Department of Respiratory Diseases, Kunshan Affiliated Hospital of Nanjing University of Chinese Medicine, Kunshan 215300, China
| | - Kuizhong Shan
- Department of Oncology, The Second People's Hospital of Kunshan, Kunshan 215300, China
| | - Jingbing Liu
- Department of Oncology, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, China
| | - Xiaoxin Tao
- Department of Oncology, Liyang People's Hospital, Liyang 213300, China
| | - Sivalingam Periyasamy
- PG and Research Department of Microbiology, Jamal Mohamed College, Khajanagar, Tiruchirappalli, Tamil Nadu 620020, India
| | - Siva Durairaj
- PG & Research Department of Biotechnology, Srimad Andavan Arts and Science College (Autonomous), Tiruchirappalli, Tamil Nadu 620005, India
| | - Ziyu Jiang
- Department of Oncology, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, China.
| | - Joe Antony Jacob
- Nanosynthesis Unit, Nanome Consulting, Salem, Tamil Nadu 636008, India.
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Sharbaf Moghadas MR, Motamedi E, Nasiri J, Naghavi MR, Sabokdast M. Proficient dye removal from water using biogenic silver nanoparticles prepared through solid-state synthetic route. Heliyon 2020; 6:e04730. [PMID: 32904200 PMCID: PMC7452412 DOI: 10.1016/j.heliyon.2020.e04730] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 03/16/2020] [Accepted: 08/12/2020] [Indexed: 11/02/2022] Open
Abstract
An environmentally benign, one-pot and highly scalable method was presented to produce biogenic silver nanoparticles (Ag NPs) using the solid-state synthetic route. Four plant-derived candidate bio-reductants (i.e., Datura stramonium, Papaver orientale, Mentha piperita, and Cannabis sativa) were investigated to compare the efficiency of solid-state route and typical solution method. M. piperita was selected as the best plant resource to produce totally pure and uniform Ag NPs (average diameter of 15 nm) without any aggregation. The purity and size of biogenic Ag NPs, were tailored by adjusting the M. piperita leaf powder/silver nitrate weight ratio and temperature. The as-synthesized Ag NPs were effectively utilized as an eco-friendly nanoadsorbent in water remediation to remove a model dye (i.e., crystal violet). The key factors affecting on the sorption process (i.e., nanoadsorbent dosage, temperature, pH, dye initial concentration, and shaking time) were investigated. The pseudo-second-order kinetic model was well fitted to the sorption process and at the optimum sorption conditions, based on the Langmuir model, the adsorption capacity was found to be 704.7 mg/g. The current, cost effective and feasible method could be considered as an applicable strategy to produce green, reusable and proficient Ag NPs as nanoadsorbents for removal of dyes from contaminated water.
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Affiliation(s)
- Mohsen Rahimi Sharbaf Moghadas
- Department of Agronomy and Plant Breeding, Agricultural and Natural Resources College, University of Tehran, Karaj, Iran
| | - Elaheh Motamedi
- Department of Nanotechnology, Agricultural Biotechnology Research Institute of Iran (ABRII), Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran
| | - Jaber Nasiri
- Department of Agronomy and Plant Breeding, Agricultural and Natural Resources College, University of Tehran, Karaj, Iran
| | - Mohammad Reza Naghavi
- Department of Agronomy and Plant Breeding, Agricultural and Natural Resources College, University of Tehran, Karaj, Iran
| | - Manije Sabokdast
- Department of Agronomy and Plant Breeding, Agricultural and Natural Resources College, University of Tehran, Karaj, Iran
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Zahra T, Ahmad KS, Thomas AG, Zequine C, Gupta RK, Malik MA, Sohail M. Phyto-inspired and scalable approach for the synthesis of PdO-2Mn 2O 3: a nano-material for application in water splitting electro-catalysis. RSC Adv 2020; 10:29961-29974. [PMID: 35518230 PMCID: PMC9056303 DOI: 10.1039/d0ra04571c] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2020] [Accepted: 07/11/2020] [Indexed: 12/23/2022] Open
Abstract
A modified co-precipitation method has been used for the synthesis of a PdO-2Mn2O3 nanocomposite as an efficient electrode material for the electro-catalytic oxygen evolution (OER) and hydrogen evolution reaction (HER). Palladium acetate and manganese acetate in molar ratio 1 : 4 were dissolved in water, and 10 ml of an aqueous solution of phyto-compounds was slowly added until completion of precipitation. The filtered and dried precipitates were then calcined at 450 °C to obtain a blackish brown colored mixture of PdO-2Mn2O3 nanocomposite. These particles were analyzed by ultra violet visible spectrophotometry (UV-vis), infrared spectroscopy (FTIR), powder X-ray diffractometry (XRD), scanning electron microscopy (FE-SEM), energy dispersive X-ray spectroscopy (EDX) and X-ray photoelectron spectroscopy (XPS) for crystallinity, optical properties, and compositional and morphological makeup. Using Tauc's plot, the direct band gap (3.18 eV) was calculated from the absorption spectra. The average crystallite sizes, as calculated from the XRD, were found to be 15 and 14.55 nm for PdO and Mn2O3, respectively. A slurry of the phyto-fabricated PdO-2Mn2O3 powder was deposited on Ni-foam and tested for electro-catalytic water splitting studies in 1 M KOH solution. The electrode showed excellent OER and HER performance with low over-potential (0.35 V and 121 mV) and Tafel slopes of 115 mV dec-1 and 219 mV dec-1, respectively. The outcomes obtained from this study provide a direction for the fabrication of a cost-effective mixed metal oxide based electro-catalyst via an environmentally benign synthesis approach for the generation of clean energy.
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Affiliation(s)
- Taghazal Zahra
- Department of Environmental Sciences, Fatima Jinnah Women University The Mall Rawalpindi Pakistan
| | - Khuram Shahzad Ahmad
- Department of Environmental Sciences, Fatima Jinnah Women University The Mall Rawalpindi Pakistan
| | - Andrew Guy Thomas
- Department of Materials, Photon Science Institute and Sir Henry Royce Institute, Alan Turing Building, The University of Manchester Oxford Road Manchester M13 9PL UK
| | - Camila Zequine
- Department of Chemistry, Pittsburg State University 1701 South Broadway Street Pittsburg KS 66762 USA
| | - Ram K Gupta
- Department of Chemistry, Pittsburg State University 1701 South Broadway Street Pittsburg KS 66762 USA
| | - Mohammad Azad Malik
- Department of Materials, Photon Science Institute and Sir Henry Royce Institute, Alan Turing Building, The University of Manchester Oxford Road Manchester M13 9PL UK
| | - Manzar Sohail
- School of Natural Sciences, National University of Sciences and Technology (NUST) Islamabad Pakistan
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Kumar D, Kumar P, Singh H, Agrawal V. Biocontrol of mosquito vectors through herbal-derived silver nanoparticles: prospects and challenges. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:25987-26024. [PMID: 32385820 DOI: 10.1007/s11356-020-08444-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2020] [Accepted: 03/13/2020] [Indexed: 05/25/2023]
Abstract
Mosquitoes spread several life-threatening diseases such as malaria, filaria, dengue, Japanese encephalitis, West Nile fever, chikungunya, and yellow fever and are associated with millions of deaths every year across the world. However, insecticides of synthetic origin are conventionally used for controlling various vector-borne diseases but they have various associated drawbacks like impact on non-targeted species, negative effects on the environment, and development of resistance in vector species by alteration of the target site. Plant extracts, phytochemicals, and their nanoformulations can serve as ovipositional attractants, insect growth regulators, larvicides, and repellents with least effects on the environment. Such plant-derived products exhibit broad-spectrum resistance against various mosquito species and are relatively cheaper, environmentally safer, biodegradable, easily accessible, and are non-toxic to non-targeted organisms. Therefore, in this review article, the current knowledge of phytochemical sources exhibiting larvicidal activity and their variations in response to solvents used for their extraction is underlined. Also, different methods such as physical, chemical, and biological for silver nanoparticle (AgNPs) synthesis, their mechanism of synthesis using plant extract, their potent larvicidal activity, and the possible mechanism by which these particles kill mosquito larvae are discussed. In addition, constraints related to commercialization of nanoherbal products at government and academic or research level and barriers from laboratory experiments to field trial have also been discussed. This comprehensive information can be gainfully employed for the development of herbal larvicidal formulations and nanopesticides against insecticide-resistant vector species in the near future. Graphical abstract.
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Affiliation(s)
- Dinesh Kumar
- National Institute of Malaria Research, Dwarka, Delhi, 110077, India
- Medicinal Plant Biotechnology Lab, Department of Botany, University of Delhi, Delhi, 110007, India
| | - Pawan Kumar
- National Institute of Malaria Research, Dwarka, Delhi, 110077, India
| | - Himmat Singh
- National Institute of Malaria Research, Dwarka, Delhi, 110077, India
| | - Veena Agrawal
- Medicinal Plant Biotechnology Lab, Department of Botany, University of Delhi, Delhi, 110007, India.
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Kareem MA, Bello IT, Shittu HA, Awodele MK, Adedokun O, Sanusi YK. Green synthesis of silver nanoparticles (AgNPs) for optical and photocatalytic applications: a review. ACTA ACUST UNITED AC 2020. [DOI: 10.1088/1757-899x/805/1/012020] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Ratan ZA, Haidere MF, Nurunnabi M, Shahriar SM, Ahammad AS, Shim YY, Reaney MJ, Cho JY. Green Chemistry Synthesis of Silver Nanoparticles and Their Potential Anticancer Effects. Cancers (Basel) 2020; 12:E855. [PMID: 32244822 PMCID: PMC7226404 DOI: 10.3390/cancers12040855] [Citation(s) in RCA: 109] [Impact Index Per Article: 27.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Revised: 03/23/2020] [Accepted: 03/30/2020] [Indexed: 12/25/2022] Open
Abstract
Nanobiotechnology has grown rapidly and become an integral part of modern disease diagnosis and treatment. Biosynthesized silver nanoparticles (AgNPs) are a class of eco-friendly, cost-effective and biocompatible agents that have attracted attention for their possible biomedical and bioengineering applications. Like many other inorganic and organic nanoparticles, such as AuNPs, iron oxide and quantum dots, AgNPs have also been widely studied as components of advanced anticancer agents in order to better manage cancer in the clinic. AgNPs are typically produced by the action of reducing reagents on silver ions. In addition to numerous laboratory-based methods for reduction of silver ions, living organisms and natural products can be effective and superior source for synthesis of AgNPs precursors. Currently, plants, bacteria and fungi can afford biogenic AgNPs precursors with diverse geometries and surface properties. In this review, we summarized the recent progress and achievements in biogenic AgNPs synthesis and their potential uses as anticancer agents.
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Affiliation(s)
- Zubair Ahmed Ratan
- Department of Integrative Biotechnology, Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon 16419, Korea; (Z.A.R.); (Y.Y.S.)
- Department of Biomedical Engineering, Khulna University of Engineering and Technology, Khulna 9203, Bangladesh
| | - Mohammad Faisal Haidere
- Department of Public Health and Informatics, Bangabandhu Sheikh Mujib Medical University, Dhaka 1000, Bangladesh;
| | - Md. Nurunnabi
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Texas at El Paso, El Paso, TX 79902, USA;
| | - Sadi Md. Shahriar
- Department of Materials Science and Engineering, Khulna University of Engineering and Technology, Khulna 9203, Bangladesh;
| | | | - Youn Young Shim
- Department of Integrative Biotechnology, Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon 16419, Korea; (Z.A.R.); (Y.Y.S.)
- Department of Plant Sciences, University of Saskatchewan, Saskatoon, SK S7N 5A8, Canada
- Guangdong Saskatchewan Oilseed Joint Laboratory, Department of Food Science and Engineering, Jinan University, Guangzhou 510632, China
| | - Martin J.T. Reaney
- Department of Plant Sciences, University of Saskatchewan, Saskatoon, SK S7N 5A8, Canada
- Guangdong Saskatchewan Oilseed Joint Laboratory, Department of Food Science and Engineering, Jinan University, Guangzhou 510632, China
| | - Jae Youl Cho
- Department of Integrative Biotechnology, Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon 16419, Korea; (Z.A.R.); (Y.Y.S.)
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Zahra T, Ahmad KS, Thomas AG, Zequine C, Malik MA, Gupta RK. Organic template-based ZnO embedded Mn 3O 4 nanoparticles: synthesis and evaluation of their electrochemical properties towards clean energy generation. RSC Adv 2020; 10:9854-9867. [PMID: 35498591 PMCID: PMC9050345 DOI: 10.1039/c9ra10472k] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Accepted: 01/31/2020] [Indexed: 12/15/2022] Open
Abstract
To deal with fossil fuel depletion and the rise in global temperatures caused by fossil fuels, cheap and abundant materials are required, in order to fulfill energy demand by developing high-performance fuel cells and electrocatalysts. In this work, a natural organic agent has been used to synthesize nano-structured ZnO/Mn3O4 with high surface area and enhanced electrocatalytic performance. Upon pre-annealing treatment, mixed metal oxide precipitates are formed due to the complex formation between a metal oxide and organic extract. The thermally annealed mixed oxide ZnO/Mn3O4 was characterized by XRD diffractometer, Fourier transform infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS), field emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM) and energy dispersive X-ray spectroscopy (EDX). Gas chromatography-mass spectrometry (GC-MS) identified methyldecylamine as a major stabilizing agent of the synthesized nanomaterial. Using a Tauc plot, the calculated band energy for the synthesized ZnO/Mn3O4 mixed metal oxide was 1.65 eV. Moreover, we have demonstrated the effects of incorporated organic compounds on the surface chemistry, morphology and electrochemical behavior of ZnO/Mn3O4. The phyto-functionalized ZnO/Mn3O4 was deposited on Ni-foam for electrocatalytic studies. The fabricated electrode revealed good performance with low over-potential and Tafel slope, suggesting it to be suitable as a potential catalyst for water splitting application, in particular for the oxygen evolution reaction (OER). The overall findings of the current study provide a cost-effective and efficient organic template for functionalization and sustainable fabrication of ZnO/Mn3O4 nanomaterial for application as an electrocatalyst. To deal with fossil fuel depletion and the rise in global temperatures caused by fossil fuels, cheap and abundant materials are required, in order to fulfill energy demand by developing high-performance fuel cells and electrocatalysts.![]()
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Affiliation(s)
- Taghazal Zahra
- Department of Environmental Sciences, Fatima Jinnah Women University Rawalpindi Pakistan
| | - Khuram Shahzad Ahmad
- Department of Environmental Sciences, Fatima Jinnah Women University Rawalpindi Pakistan
| | - Andrew Guy Thomas
- Department of Materials, Photon Science Institute, Sir Henry Royce Institute, Alan Turing Building, The University of Manchester Oxford Road Manchester M13 9PL UK
| | - Camila Zequine
- Department of Chemistry, Pittsburg State University 1701 South Broadway Street Pittsburg KS 66762 USA
| | - Mohammad Azad Malik
- Department of Materials, Photon Science Institute, Sir Henry Royce Institute, Alan Turing Building, The University of Manchester Oxford Road Manchester M13 9PL UK
| | - Ram K Gupta
- Department of Chemistry, Pittsburg State University 1701 South Broadway Street Pittsburg KS 66762 USA
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Küp FÖ, Çoşkunçay S, Duman F. Biosynthesis of silver nanoparticles using leaf extract of Aesculus hippocastanum (horse chestnut): Evaluation of their antibacterial, antioxidant and drug release system activities. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 107:110207. [DOI: 10.1016/j.msec.2019.110207] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2017] [Revised: 09/04/2019] [Accepted: 09/13/2019] [Indexed: 01/02/2023]
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Plant-based metal and metal alloy nanoparticle synthesis: a comprehensive mechanistic approach. JOURNAL OF MATERIALS SCIENCE 2019. [DOI: 10.1007/s10853-019-04121-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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Simultaneous green synthesis and in-situ impregnation of silver nanoparticles into organic nanofibers by Lythrum salicaria extract: Morphological, thermal, antimicrobial and release properties. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 105:110115. [PMID: 31546384 DOI: 10.1016/j.msec.2019.110115] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Revised: 07/26/2019] [Accepted: 08/22/2019] [Indexed: 12/17/2022]
Abstract
This research has revealed the promising, green and one-pot approach for fabrication of antimicrobial nanohybrids based on organic nanofibers including cellulose (CNF), chitosan (CHNF), and lignocellulose (LCNF) nanofibers impregnated with silver nanoparticles (AgNPs). Lythrum salicaria extract was used as a reducing agent as well as a capping agent. Formation of the spherical AgNPs ranging between 45 and 65 nm was proved by UV-Vis spectroscopy, transmission electron microscopy (TEM), and dynamic light scattering (DLS). Biomaterials supported AgNPs were characterized and compared for their morphological, thermal, release, and antimicrobial properties. The considerable influence of the phenolic compounds of L.salicaria extract on the synthesis and uniform distribution of AgNPs on nanofibers was confirmed by field emission electron microscopy (FE-SEM). Energy dispersive X-ray spectroscopy (EDX) and ICP-OES analysis of nanohybrids, reflected a high loading capacity for LCNF and also CHNF in contrast to CNF. The release of AgNPs from LCNF substrate was lower than other nanofibers but the order of antimicrobial activity of nanohybrids against E.coli and S.aureus was as this: CHNF ˃ LCNF ˃ CNF. Generally, this research suggested that the efficiency of CHNF and LCNF as immobilizing support of AgNPs is higher than CNF and L.salicaria extract was proposed as a high potential reducing and capping agent.
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35
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Trinh LH, Takzare A, Ghafoor DD, Siddiqi AF, Ravali S, Shalbaf M, Bakhtiar M. Trachyspermum copticum essential oil incorporated niosome for cancer treatment. J Drug Deliv Sci Technol 2019. [DOI: 10.1016/j.jddst.2019.05.046] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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36
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Peng X, Bai X, Cui Z, Liu X. Green synthesis of Pd truncated octahedrons using of
firmiana simplex
leaf extract and their catalytic study for electro‐oxidation of methanol and reduction of p‐nitrophenol. Appl Organomet Chem 2019. [DOI: 10.1002/aoc.5045] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Xuwen Peng
- School of Chemistry and Material ScienceHeilongjiang University Harbin 150080 China
| | - Xuefeng Bai
- School of Chemistry and Material ScienceHeilongjiang University Harbin 150080 China
- Institute of Petrochemistry, Heilongjiang Academy of Sciences Harbin 150040 China
| | - Zelin Cui
- Institute of Petrochemistry, Heilongjiang Academy of Sciences Harbin 150040 China
| | - Xuhui Liu
- Institute of Petrochemistry, Heilongjiang Academy of Sciences Harbin 150040 China
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37
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Nasrollahzadeh M, Mahmoudi‐Gom Yek S, Motahharifar N, Ghafori Gorab M. Recent Developments in the Plant‐Mediated Green Synthesis of Ag‐Based Nanoparticles for Environmental and Catalytic Applications. CHEM REC 2019; 19:2436-2479. [DOI: 10.1002/tcr.201800202] [Citation(s) in RCA: 93] [Impact Index Per Article: 18.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Revised: 03/20/2019] [Indexed: 01/13/2023]
Affiliation(s)
| | | | - Narjes Motahharifar
- Department of ChemistryFaculty of ScienceUniversity of Qom Qom 37185-359 Iran
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Khatoon N, Alam H, Manzoor N, Sardar M. Removal of toxic contaminants from water by sustainable green synthesised non-toxic silver nanoparticles. IET Nanobiotechnol 2019; 12:1090-1096. [PMID: 30964019 DOI: 10.1049/iet-nbt.2018.5075] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The study describes the synthesis of silver nanoparticles using 21 different plant extracts having medicinal properties. Molecular ultraviolet-visible spectroscopy shows that the λmax of nanoparticles synthesised by different plant extracts varied and ranged between 400 and 468 nm. The ultraviolet results revealed that although synthesis of nanoparticles occurred by all plant extracts successfully, their size varies, this was further confirmed by differential light scattering. The synthesised nanoparticles were investigated for their antimicrobial properties. The most promising silver nanoparticles Ocimum sanctum and Artemisia annua assisted were further characterised using transmission electron microscopy and energy dispersive X-ray spectroscopy (EDX). EDX data confirms that synthesised nanoparticles are highly pure. Further these two plant assisted nanoparticles were studied for chemocatalytic and adsorptive properties. The silver nanoparticles from Ocimum sanctum can catalyse the reduction of 4-nitrophenol (63%) within 20 min in the presence of NaBH4, whereas Artemisia annua assisted silver nanoparticles did not show significant chemocatalytic activity. Both the promising nanoparticles can efficiently adsorb textile dyes from aqueous solutions. These synthesised nanoparticles were also exploited to remove microbial and other contaminants from Yamuna River water. The nanoparticles show excellent antimicrobial properties and can be reused repeatedly.
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Affiliation(s)
- Nafeesa Khatoon
- Department of Biosciences, Jamia Millia Islamia, New Delhi-110025, India
| | - Hammad Alam
- Department of Biosciences, Jamia Millia Islamia, New Delhi-110025, India
| | - Nikhat Manzoor
- Department of Biosciences, Jamia Millia Islamia, New Delhi-110025, India
| | - Meryam Sardar
- Department of Biosciences, Jamia Millia Islamia, New Delhi-110025, India.
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Plant-Mediated Green Synthesis of Nanostructures: Mechanisms, Characterization, and Applications. INTERFACE SCIENCE AND TECHNOLOGY 2019. [DOI: 10.1016/b978-0-12-813586-0.00006-7] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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40
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Keshari AK, Srivastava R, Singh P, Yadav VB, Nath G. Antioxidant and antibacterial activity of silver nanoparticles synthesized by Cestrum nocturnum. J Ayurveda Integr Med 2018; 11:37-44. [PMID: 30120058 PMCID: PMC7125370 DOI: 10.1016/j.jaim.2017.11.003] [Citation(s) in RCA: 150] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2017] [Revised: 10/11/2017] [Accepted: 11/02/2017] [Indexed: 11/25/2022] Open
Abstract
Background Silver nanoparticles are toxic to bacteria and have widespread application in different research areas. Objective The aim of this study was to synthesize silver nanoparticles using an aqueous leaf extract of Cestrum nocturnum and to test its antioxidant and antibacterial activities. Materials and methods The silver nanoparticles were synthesized by addition of 20 ml extract (8% w/v) with 180 ml silver nitrate solution (1 mM). The synthesis of silver nanoparticles was confirmed by UV–Vis spectrophotometer. The silver nanoparticles were characterized by X-ray diffractometer, Transmission Electron Microscope, Scanning Electron Microscope and Fourier Transform Infra-Red spectroscopy. The antioxidant property of silver nanoparticles was analyzed by the 2, 2-diphenyl-1-picrylhydrazyl, hydrogen peroxide, hydroxyl radical and superoxide radical scavenging methods. The bacteriostatic and bactericidal activity of silver nanoparticles against Escherichiacoli, Enterococcusfaecalis, and Salmonellatyphi was determined using bacterial growth inhibition method. The antibacterial sensitivity and Minimum Inhibitory Concentration (MIC) of silver nanoparticles was determined against the bacteria. Results The results confirmed that the silver nanoparticles synthesized by C.nocturnum extract were crystalline in nature, average particle size was 20 nm and were mostly spherical in shape. The antioxidant methods confirmed that the silver nanoparticles have more antioxidant activity as compared to vitamin C. The silver nanoparticles have strong antibacterial (maximum Vibrio cholerae and minimum E. faecalis) activity. The MIC value of silver nanoparticles was 16 μg/ml (Citrobacter), 4 μg/ml (E. faecalis), 16 μg/ml (S. typhi), 8 μg/ml (E. coli), 8 μg/ml (Proteusvulgaris), and 16 μg/ml (V. cholerae). Conclusion Green synthesized silver nanoparticles have strong antioxidant and antibacterial activity due to the presence of bioactive molecules on the surface of silver nanoparticles. This study focuses on synthesis of silver nanoparticles from medicinal plant in nature. The medicinal plant is rich in antioxidant property. This study will help the researcher to uncover the antibacterial activity of silver nanoparticles.
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Affiliation(s)
- Anand Kumar Keshari
- Department of Biochemistry, Institute of Medical Sciences, Banaras Hindu University, Varanasi, UP 221005, India
| | - Ragini Srivastava
- Department of Biochemistry, Institute of Medical Sciences, Banaras Hindu University, Varanasi, UP 221005, India.
| | - Payal Singh
- Department of Biochemistry, Institute of Medical Sciences, Banaras Hindu University, Varanasi, UP 221005, India
| | - Virendra Bahadur Yadav
- Department of Microbiology, Institute of Medical Sciences, Banaras Hindu University, Varanasi, UP 221005, India
| | - Gopal Nath
- Department of Microbiology, Institute of Medical Sciences, Banaras Hindu University, Varanasi, UP 221005, India
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Ovais M, Khalil AT, Islam NU, Ahmad I, Ayaz M, Saravanan M, Shinwari ZK, Mukherjee S. Role of plant phytochemicals and microbial enzymes in biosynthesis of metallic nanoparticles. Appl Microbiol Biotechnol 2018; 102:6799-6814. [DOI: 10.1007/s00253-018-9146-7] [Citation(s) in RCA: 112] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Revised: 05/27/2018] [Accepted: 05/28/2018] [Indexed: 12/27/2022]
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Zare Khafri H, Ghaedi M, Asfaram A, Javadian H, Safarpoor M. Synthesis of CuS and ZnO/Zn(OH)2
nanoparticles and their evaluation for in vitro antibacterial and antifungal activities. Appl Organomet Chem 2018. [DOI: 10.1002/aoc.4398] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
| | - Mehrorang Ghaedi
- Department of Chemistry; Yasouj University; Yasouj 75918-74831 Iran
| | - Arash Asfaram
- Medicinal Plants Research Center, Yasuj University of Medical Sciences; Yasuj Iran
| | - Hamedreza Javadian
- Department of Chemical Engineering, ETSEIB; Universitat Politècnica de Catalunya; Diagonal 647 08028 Barcelona Spain
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Shobana C, Rangasamy B, Poopal RK, Renuka S, Ramesh M. Green synthesis of silver nanoparticles using Piper nigrum: tissue-specific bioaccumulation, histopathology, and oxidative stress responses in Indian major carp Labeo rohita. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:11812-11832. [PMID: 29446018 DOI: 10.1007/s11356-018-1454-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2017] [Accepted: 01/31/2018] [Indexed: 06/08/2023]
Abstract
The aim of the present investigation is to assess the sublethal toxicity of biologically synthesized silver nanoparticles (Ag NPs) in Indian major carp Labeo rohita. Ag NPs used in the study were synthesized by using AgNO3 with aqueous leaf extract of Piper nigrum. Median lethal concentration (LC50) of synthesized Ag NPs was determined for 96 h (25 μg/L); 2.5 μg/L (1/10th LC50) and 5 μg/L (1/5th LC50) were taken as sublethal concentrations to evaluate the toxicity for 35 days. The results of the TEM, SEM, and EDX analyses revealed that Ag NPs were considerably accumulated in the gill, liver, and kidney of fish at both concentrations (2.5 and 5 μg/L). Consequently, the activity of the antioxidant enzymes, SOD and CAT, was significantly (P < 0.05) decreased in the gill, liver, and kidney when compared to the control group during the study period. However, lipid peroxidase (LPO) activity in the gill, liver, and kidney was significantly (P < 0.05) increased, and the result concluded a possible sign of free radical-induced oxidative stress in Ag NP-exposed fish than the sham-exposed individuals. The histopathological study also confirmed the alterations such as degeneration of lamella, lifting of lamellar epithelium, hepatic necrosis, pyknotic nuclei, increased intracellular space, and shrinkage of glomerulus elicited by Ag NPs in the gill, liver, and kidney of Labeo rohita with two different concentrations. The findings of the present study revealed that green synthesis of Ag NPs from Piper nigrum at sublethal concentrations leads to accumulation of Ag, oxidative stress, and histopathological alterations in the target organs of the fish, Labeo rohita.
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Affiliation(s)
- Chellappan Shobana
- Unit of Toxicology, Department of Zoology, School of Life Sciences, Bharathiar University, Coimbatore, Tamil Nadu, 641046, India
| | - Basuvannan Rangasamy
- Unit of Toxicology, Department of Zoology, School of Life Sciences, Bharathiar University, Coimbatore, Tamil Nadu, 641046, India
| | - Rama Krishnan Poopal
- Unit of Toxicology, Department of Zoology, School of Life Sciences, Bharathiar University, Coimbatore, Tamil Nadu, 641046, India
- Environmental Toxicology and Toxicogenomics Laboratory, Department of Environmental Biotechnology, Bharathidasan University, Tiruchirappalli, 620024, India
| | - Sivashankar Renuka
- Unit of Toxicology, Department of Zoology, School of Life Sciences, Bharathiar University, Coimbatore, Tamil Nadu, 641046, India
| | - Mathan Ramesh
- Unit of Toxicology, Department of Zoology, School of Life Sciences, Bharathiar University, Coimbatore, Tamil Nadu, 641046, India.
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Green Synthesized Silver Nanoparticles and Their Impact on the Antioxidant Response and Histology of Indian Major Carp Labeo rohita, with Combined Response Surface Methodology Analysis. J CLUST SCI 2018. [DOI: 10.1007/s10876-017-1328-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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45
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Chinnasamy C, Tamilselvam P, Karthick B, Sidharth B, Senthilnathan M. Green Synthesis, Characterization and Optimization Studies of Zinc Oxide Nano Particles Using Costusigneus Leaf Extract. ACTA ACUST UNITED AC 2018. [DOI: 10.1016/j.matpr.2017.11.331] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Belhaj Abdallah B, Landoulsi A, Chatti A. Combined static electromagnetic radiation and plant extract contribute to the biosynthesis of instable nanosilver responsible for the growth of microstructures. JOURNAL OF SAUDI CHEMICAL SOCIETY 2018. [DOI: 10.1016/j.jscs.2017.07.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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47
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Ullah I, Abamor EŞ, Bağirova M, Shinwari ZK, Allahverdiyev AM. Biomimetic production, characterisation, in vitro cytotoxic and anticancer assessment of aqueous extract‐mediated AgNPs of Teucrium stocksianum Boiss. IET Nanobiotechnol 2017; 12:270-276. [PMCID: PMC8675970 DOI: 10.1049/iet-nbt.2017.0092] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2017] [Revised: 10/06/2017] [Accepted: 11/15/2017] [Indexed: 12/27/2023] Open
Abstract
Owing to the numerous biological applications, cost effectiveness and low cytotoxicity of the biomimetic nanoparticles (NPs), the authors optimised the production of silver NPs (AgNPs) using aqueous extract of Teucrium stocksianum Boiss. The NPs were characterised by ultraviolet‐visible (UV‐vis) spectroscopy, X‐ray diffraction (XRD), scanning electron microscopy (SEM), dynamic light scattering (DLS) and Fourier transform‐infrared spectroscopy (FTIR). The UV‐vis spectroscopy revealed a surface plasmon resonance (410‐440 nm) at an incubation temperature of 90°C when 1 mM Ag nitrate combined to 5 mg/ml extract concentration in the ratio of 1:10. DLS results show an average zeta size of ∼44.61 nm and zeta potential of −15.3 mV. SEM and XRD confirmed the high crystallinity and cubical symmetry with an average size below 100 nm. FTIR measurement shows the presence of various functional groups, responsible for the capping and reduction of Ag metal. The 3‐(4,5‐dimethylthiazol‐2‐yl)‐2,5‐diphenyltetrazolium bromide cell viability assay shows that AgNPs are less cytotoxic to J774 and L929 cells as compared with enhanced anticancer activity with low IC50 concentrations (68.24 µg/ml) against Michigan Cancer Foundation‐7 (MCF‐7) cells. The ethidium bromide/acridine orange assay shows that the AgNPs kill the cell by apoptosis. Overall, the results show that AgNPs possesses potent anticancer activities.
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Affiliation(s)
- Ikram Ullah
- Department of BiotechnologyFaculty of Biological SciencesQuaid‐i‐Azam UniversityIslamabadPakistan
| | - Emrah Şefik Abamor
- Department of BioengineeringFaculty of Chemical and Metallurgical EngineeringYildiz Technical UniversityIstanbulTurkey
| | - Melahat Bağirova
- Department of BioengineeringFaculty of Chemical and Metallurgical EngineeringYildiz Technical UniversityIstanbulTurkey
| | - Zabta Khan Shinwari
- Department of BiotechnologyFaculty of Biological SciencesQuaid‐i‐Azam UniversityIslamabadPakistan
| | - Adil M. Allahverdiyev
- Department of BioengineeringFaculty of Chemical and Metallurgical EngineeringYildiz Technical UniversityIstanbulTurkey
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Sudha A, Jeyakanthan J, Srinivasan P. Green synthesis of silver nanoparticles using Lippia nodiflora aerial extract and evaluation of their antioxidant, antibacterial and cytotoxic effects. RESOURCE-EFFICIENT TECHNOLOGIES 2017. [DOI: 10.1016/j.reffit.2017.07.002] [Citation(s) in RCA: 73] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Update on Monoterpenes as Antimicrobial Agents: A Particular Focus on p-Cymene. MATERIALS 2017; 10:ma10080947. [PMID: 28809799 PMCID: PMC5578313 DOI: 10.3390/ma10080947] [Citation(s) in RCA: 141] [Impact Index Per Article: 20.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Revised: 08/08/2017] [Accepted: 08/11/2017] [Indexed: 11/16/2022]
Abstract
p-Cymene [1-methyl-4-(1-methylethyl)-benzene] is a monoterpene found in over 100 plant species used for medicine and food purposes. It shows a range of biological activity including antioxidant, anti-inflammatory, antinociceptive, anxiolytic, anticancer and antimicrobial effects. This last property has been widely investigated due to the urgent need for new substances with antimicrobial properties, to be used to treat communicable diseases whose diffusion in developed countries has been facilitated by globalization and the evolution of antimicrobial resistance. This review summarizes available scientific data, as reported by the most recent studies describing the antimicrobial activity of p-cymene either alone, or as the main component of plant extracts, as well as addressing the mechanisms of action of cymenes as antimicrobial agents. While p-cymene is one of the major constituents of extracts and essential oils used in traditional medicines as antimicrobial agents, but considering the limited data on its in vivo efficacy and safety, further studies are required to reach a definitive recommendation on the use and beneficial effects of p-cymene in human healthcare and in biomedical applications as a promising candidate to functionalize biomaterials and nanomaterials.
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Green methods for the synthesis of metal nanoparticles using biogenic reducing agents: a review. REV CHEM ENG 2017. [DOI: 10.1515/revce-2017-0005] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Metal nanoparticles are being extensively used in a variety of sectors, including drug delivery, cancer treatment, wastewater treatment, DNA analysis, antibacterial agents, biosensors and catalysts. Unlike chemically produced nanoparticles, biosynthesized metal nanoparticles based on green chemistry perspectives impose limited hazards to the environment and are relatively biocompatible. This review is therefore focused on green methods for nanoparticle synthesis by emphasizing on microbial synthesis using bacteria, fungi, algae, and yeasts, as well as phytosynthesis using plant extracts. Furthermore, a detailed description of bioreducing and capping/stabilizing agents involved in the biosynthesis mechanism using these green sources is presented.
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