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Author: U. M. Patel Publisher: GRIN Verlag ISBN: 3346983706 Category : Medical Languages : en Pages : 33
Book Description
Research Paper (postgraduate) from the year 2019 in the subject Medicine - Pharmacology, Pharmacy, grade: 9.5, , language: English, abstract: In this study, we report the synthesis of Ag NPs by green synthesis process using Datura metel leaf extract as reducing agent. The final products characteristics were studied – optical, structural, surface morphology and elemental analysis. Silver Nanoparticle has been recognized as a safe inorganic, antibacterial, nontoxic agent. Conventional synthesis of Silver Nanoparticle can generate toxic waste during the reaction process hence, this paper the green synthesis approach used and for synthesis of silver nanoparticle by using Datura metel leaf extract as a reducing agent. The change in colour of silver nitrate solution from colourless to brown was visual identification for formation of Silver Nanoparticle and shown the absorption at 447 nm. The synthesized Silver Nanoparticle were of size 180 nm analyse by SEM and further characetrised by FTIR where carboxylic peak was obtained at 1675 cm-1 as well as presence of alcoholic group and polyphenols. Further validated method was developed and linearity was found to be 0.995 and % RSD of validation parameters were found to be within the limit
Author: U. M. Patel Publisher: GRIN Verlag ISBN: 3346983706 Category : Medical Languages : en Pages : 33
Book Description
Research Paper (postgraduate) from the year 2019 in the subject Medicine - Pharmacology, Pharmacy, grade: 9.5, , language: English, abstract: In this study, we report the synthesis of Ag NPs by green synthesis process using Datura metel leaf extract as reducing agent. The final products characteristics were studied – optical, structural, surface morphology and elemental analysis. Silver Nanoparticle has been recognized as a safe inorganic, antibacterial, nontoxic agent. Conventional synthesis of Silver Nanoparticle can generate toxic waste during the reaction process hence, this paper the green synthesis approach used and for synthesis of silver nanoparticle by using Datura metel leaf extract as a reducing agent. The change in colour of silver nitrate solution from colourless to brown was visual identification for formation of Silver Nanoparticle and shown the absorption at 447 nm. The synthesized Silver Nanoparticle were of size 180 nm analyse by SEM and further characetrised by FTIR where carboxylic peak was obtained at 1675 cm-1 as well as presence of alcoholic group and polyphenols. Further validated method was developed and linearity was found to be 0.995 and % RSD of validation parameters were found to be within the limit
Author: Ashutosh Kumar Shukla Publisher: Elsevier ISBN: 0081025807 Category : Technology & Engineering Languages : en Pages : 548
Book Description
Green Synthesis, Characterization and Applications of Nanoparticles shows how eco-friendly nanoparticles are engineered and used. In particular, metal nanoparticles, metal oxide nanoparticles and other categories of nanoparticles are discussed. The book outlines a range of methodologies and explores the appropriate use of each. Characterization methods include spectroscopic, microscopic and diffraction methods, but magnetic resonance methods are also included as they can be used to understand the mechanism of nanoparticle synthesis using organisms. Applications covered include targeted drug delivery, water purification and hydrogen generation. This is an important research resource for those wishing to learn more about how eco-efficient nanoparticles can best be used. Theoretical details and mathematical derivations are kept to a necessary minimum to suit the need of interdisciplinary audiences and those who may be relatively new to the field. Explores recent trends in growth, characterization, properties and applications of nanoparticles Gives readers an understanding on how they are applied through the use of case studies and examples Assesses the advantages and disadvantages of a variety of synthesis and characterization techniques for green nanoparticles in different situations
Author: Suvardhan Kanchi Publisher: John Wiley & Sons ISBN: 1119418879 Category : Technology & Engineering Languages : en Pages : 720
Book Description
The use of biological sources such as microbes and plants can help in synthesizing nanoparticles in a reliable and eco-friendly way. The synthesis of nanoparticles by these natural sources is characterized by processes that take place near to ambient temperature and pressures and also near neutral pH. This edited volume authored by subject specialists, provides all the latest research and builds a database of bioreduction agents to various metal nanoparticles using different precursor systems. The book also highlights the different strategies such as simplicity, cost-effectiveness, environment-friendly and easily scalable, and includes parameters for controlling the size and shape of the materials developed from the various greener methods. In order to exploit the utmost potential metal nanoparticles synthesis from the different sources such as agricultural waste, flora and fauna, food waste, microbes and biopolymer systems, it is also crucial to recognize the biochemical and molecular mechanisms of production of nanoparticles and their characterization.
Author: Kamel A. Abd-Elsalam Publisher: Elsevier ISBN: 0128245093 Category : Technology & Engineering Languages : en Pages : 798
Book Description
Green Synthesis of Silver Nanomaterials illustrates how to biologically scale up silver nanoparticle synthesis. This book covers green synthesis of silver nanomaterials, via plants, agricultural waste, fungi, and microorganisms. Sections cover the synthesis and characterization of chemical and green synthesis, various types of silver nanomaterialism, the ability of different fungal species, such as filamentous fungi, to produce silver nanoparticles, the microbial synthesis of silver NMs, biosynthesis mechanisms, toxicity, fate and commercialization. As examples, greener pathways and mechanisms, toxicity of silver nanoparticles in aquatic life and in natural eco-systems, and strategies for the scaling up of green-synthesized nanomaterials are discussed. With the extended work in enhancing nanomaterials synthesis performance, and discovering their biomedical, environmental, and agricultural applications, it is hoped that the execution of these methods on a large scale and their industrial applications in different fields will take place in the near future. Assesses the impact of a large variety of silver-based nanostructures in the biomedical, environmental and agri-food sectors Discusses the major synthesis methods used for effectively processing plant-based silver nanoparticles Outlines the potential and major challenges for adopting green synthesis methods on a mass scale
Author: Farid Badria Publisher: GRIN Verlag ISBN: 3346083454 Category : Science Languages : en Pages : 196
Book Description
Document from the year 2017 in the subject Chemistry - Bio-chemistry, Mansoura University, language: English, abstract: Forty-two medicinal plants were collected depending on their availability on Egypt. These plant were extracted and screened for their activity towards green synthesis of AgNPs. A new modified method was used in order to screen large number of extracts in short time (high throughput screening). In this method, the synthesized nanoparticles were evaluated in using 96-well plate which is transparent to facilitate the color monitoring and easy to be read spectrophotometrically using microplate reader. The green synthesis activity by the different plant extracts was monitored and evaluated by color change and UV-Vis absorption at time intervals. Out of these 42 plants, only 3 plants viz.,Pyllanthusemblicafruits, Psidium guajava leaves and Lawsoniainermisleaves, showed high AgNPs synthetic activity. The most active plant extracts were further partitioned with ethyl acetate. The results showed that the EtOAc fraction of the three active plants showed superior AgNPs green synthesis over their remaining aqueous. Thus, chromatographic columns were used to isolate the active compounds from the EtOAc fraction of each plant. Metal nanoparticles synthesis is a leading topic of research in modern material science owing to their distinctive potential applications in the field of electronic, optoelectronic, information storage and Health care. Among the all noble metal nanoparticles, silver nanoparticles are one the main products in the field of nanotechnology which has acquired limitless attention due to their unique properties such as chemical stability, good conductivity, catalytic and most important antibacterial, antiviral and antifungal activities. Nevertheless, there is still need for economic commercially viable as well as environmentally clean synthesis route to synthesize the silver nanoparticles.
Author: Prem Jose Vazhacharickal Publisher: Prem Jose ISBN: 1795734906 Category : Reference Languages : en Pages :
Book Description
Nanotechnology is an emerging field of science. It has increased applications in diverse area for the development of new materials at nanoscale levels. Synthesis of nanoparticles using biological methods is referred as greener synthesis of nanoparticles. Green synthesis provides advancement over chemical and physical method as it is cost effective, environment friendly, and safe for human therapeutic use. Stingless bees are highly social (eusocial) insects which populated the tropical earth 65 million years ago longer than honey bees. Among the most common uses of stingless bee honey are to treat stomach disturbance, cough, tonsillitis, sore throat, stomach and intestinal ulcers, cold, disease of the mouth, mucus membrane, and as a wound dressing due to its antimicrobial activity. Stingless bees honey were used to for the green synthesis of silver nanoparticles. Antimicrobial activity of the green synthesised nanoparticles were tested used agar diffusion method against Escherichia coli (E. coli), Pseudomonas aeruginosa, Staphylococcus aureus, Salmonella typhi and Klebsiella pneumoniae. The results showed that stingless bee honey could be effectively used for the synthesis of silver nanoparticle. The synthesized silver nanoparticles shows antibacterial activity on both Gram positive and Gram negative bacteria. This biosynthesis of nanoparticles is cost efficient, pollutant free and simpler to synthesize.
Author: Quaiser Saquib Publisher: Springer Nature ISBN: 9811551790 Category : Medical Languages : en Pages : 316
Book Description
This book describes various strategies for the synthesis of green nanoparticles using plant extracts and microbes, including the advantages and disadvantages of different methods and their applications. After discussing strategies for and the potential of green synthesis of noble metal nanoparticles, it highlights the role of the solvent system. The book then explores the stability/toxicity of nanoparticles and the associated-surface engineering techniques for achieving biocompatibility, and examines the antimicrobial efficacy of green nanoparticles with regard to various bacterial pathogens, as well as the underlying cytotoxicity mechanisms. Lastly, the book addresses the potential applications of various green nanoparticles in cancer theranostics, and reviews a number of plant-mediated nanoparticles as potential pharmaceutical agents. Given its scope, the book will be of interest to all scientists and students wanting to learn more about the synthesis and applications of green nanoparticles.
Author: Humaira Khatoon Publisher: Anchor Academic Publishing ISBN: 3960670885 Category : Science Languages : en Pages : 49
Book Description
In modern days, Nanotechnology is in wide use in various domains of science. It deals with the Nanoparticles having a size of 1-100 nm in one dimension. It is often used in medical chemistry, atomic physics and other scientific disciplines. The synthesis of nanomaterials is of current interest due to their wide variety of applications in fields such as electronics, photonics, catalysis, medicine etc. The applications of nanotechnology are growing because matter at the nanometer scale has different properties compared with the bulk state. For this reason, many research groups around the world are testing new methods of synthesis of different materials at the nanoscale. Silver nanoparticles (AgNPs) have been the subject matter of researchers due to their unique properties (e.g. size and shape depending on optical, antimicrobial and electrical properties).
Author: Suban K. Sahoo Publisher: Elsevier ISBN: 0323994555 Category : Technology & Engineering Languages : en Pages : 454
Book Description
Gold and Silver Nanoparticles: Synthesis and Applications provides detailed information on the preparation and utilization of Au- and Ag-based nanoparticles in a range of novel areas. Gold and silver nanoparticles offer a range of interesting properties, including unique size-dependent optoelectronic properties, chemical stability and biocompatibility, ease of synthesis and surface modification, excellent resistance to corrosion, and catalytic properties, hence paving the way to a wide range of cutting-edge applications with continual advances and innovations. Sections introduce gold and silver nanoparticles, fundamental theory, synthesis, and characterization techniques before focusing on requirements and preparation methods. Specific applications areas, such as surface-enhanced Raman spectroscopy (SERS), sensing and biosensing, imaging, drug and gene delivery, disease diagnosis, catalysis, and optoelectronic device fabrication are covered. Finally, synthesis and applications of platinum- and palladium-based nanoparticles are discussed. This is a valuable resource for researchers and advanced students across nanoscience and nanotechnology, chemistry, and materials science, as well as scientists, engineers, and R&D professionals with an interest in noble metal nanomaterials for a range of industrial applications. Explains theory, synthesis, characterization, and properties of Au- and Ag- based nanoparticles Explores a range of novel applications across biomedicine, optoelectronics, and other areas Analyzes the latest developments in the field and considers noble metal nanoparticles beyond gold and silver
Author: U. M. Patel
Author: U. M. Patel
Author: Ashutosh Kumar Shukla
Author: Suvardhan Kanchi
Author: Kamel A. Abd-Elsalam
Author: Farid Badria
Author: Prem Jose Vazhacharickal
Author: Quaiser Saquib
Author: Khan Maaz
Author: Humaira Khatoon
Author: Suban K. Sahoo