Bioactivity Of Green Synthesised Silver Nanoparticles
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Bioactivity Of Green Synthesised Silver Nanoparticles
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Author : Amandeep Kaur
language : en
Publisher: GRIN Verlag
Release Date : 2015-04-21
Bioactivity Of Green Synthesised Silver Nanoparticles written by Amandeep Kaur and has been published by GRIN Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-04-21 with Science categories.
Bachelor Thesis from the year 2013 in the subject Biology - Miscellaneous, grade: M.Sc., , course: Biotechnology, language: English, abstract: Research and analysis of nanoparticles (NPs) synthesis and their biological activities has been expanded significantly in the recent years. The agents used for nanoparticles (NPs) synthesis are of organic (mainly carbon) and inorganic (metal ions like silver and gold) origin (Singh et al., 2010). Among these, silver (Ag) is the most preferred NPs synthesis agent due to its reported use in medical field as best topical bactericides from ancient times (Lavanya et al., 2013). The stable silver nanoparticles had been synthesized by using soluble starch as both the reducing and stabilizing agents (Shrivastava et al., 2012). So the concern of scientific community shifted towards ecofriendly, natural and cheaper method of NPs synthesis by using microorganisms and plant extracts (Mohanpuria et al., 2008). The use of plant materials for silver nanoparticles (AgNPs) is most popular due to its potential biological activities, easy availability and faster rate of synthesis there by cutting the cost of NP's synthesis (Huang et al., 2007 and Salam et al., 2012). The nanoparticles had been clinically used for infection, vaccines and renal diseases (Malhotra et al., 2010). The plant extract of petals of herbal species like Punica granatum, Datura metel (Chandran et al., 2011) and stem extracts of Svensonia hyderobadensis (Linga et al., 2011) had been effectively used for AgNPs synthesis and investigated for their antimicrobial activities. Nanoparticles could be synthesized by various approaches like photochemical reactions in reverse micelles (Taleb et al., 1997), thermal decomposition (Esumi et al., 1990), sonochemical (Zhu et al., 2000) and microwave assisted process (Santosh et al., 2002 and Prasher et al., 2009). Nanocrystalline silver particles have found tremendous applications in the field of high sensitivity biomolecular detection and diagnostics (Schultz et al., 2000), antimicrobials and therapeutics (Rai and Yadav., 2009 and Elechiguerra et al., 2005) and micro-electronics (Gittins et al., 2000). Acacia auriculiformis A. Cunn. is an exotic species that can survive in degraded lands in Thai savanna (Badejo et al., 1998). Besides its high adaptability in degraded savanna areas, A. auriculiformis is known for its nitrogen fixation property (Sprent and Parsons, 2000) enriching macrofaunal composition (Mboukou-Kimbatsa et al., 1998), low allelopathic effects (Bernhard-Reversat et al., 1999) and ability to pump nutrients from the subsoil (Kang et al., 1993).
Silver Nanoparticles
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Author : Khan Maaz
language : en
Publisher:
Release Date : 2018-07
Silver Nanoparticles written by Khan Maaz and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-07 with categories.
Green Synthesis
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Author : Manju Jacob
language : en
Publisher:
Release Date : 2023-04-10
Green Synthesis written by Manju Jacob and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-04-10 with Gardening categories.
Nanoparticles have gained immense popularity in recent years due to their unique physical and chemical properties. Silver nanoparticles (AgNPs) are one of the most extensively studied nanoparticles due to their wide range of potential applications in various fields, including medicine, electronics, and textiles. However, the conventional methods for synthesizing AgNPs involve the use of toxic chemicals, which can have harmful effects on human health and the environment. To overcome this issue, researchers have been exploring more sustainable and eco-friendly methods of synthesizing AgNPs. One such method is the green synthesis of AgNPs, which involves the use of natural sources such as plants, fungi, and bacteria. Among these sources, plants are a particularly attractive option as they are readily available and offer a wide range of bioactive compounds that can act as reducing agents, stabilizers, and capping agents for the synthesis of AgNPs. One example of this is the green synthesis of AgNPs using the flowers of Crossandra infundibuliformis. This plant, also known as the firecracker flower, is a common ornamental plant found in tropical regions. Researchers have found that the fresh and dry flowers of this plant contain bioactive compounds that can effectively reduce silver ions to form AgNPs. The green synthesis of AgNPs from Crossandra infundibuliformis flowers involves a simple and straightforward process. First, the flowers are collected and dried in the sun or oven-dried to remove any moisture content. The dried flowers are then ground into a fine powder, which is then mixed with a solution of silver nitrate. The mixture is then incubated for a specific period of time, during which the reduction of silver ions occurs, resulting in the formation of AgNPs. One of the advantages of using the green synthesis method for AgNP production is that it is environmentally friendly and does not involve the use of toxic chemicals. Additionally, the use of natural sources such as plants can also lead to the production of AgNPs with unique properties that can be used for specific applications. For example, AgNPs synthesized using Crossandra infundibuliformis flowers have been found to exhibit antimicrobial, antioxidant, and anti-inflammatory properties, making them suitable for use in various biomedical applications. In conclusion, the green synthesis of AgNPs using the flowers of Crossandra infundibuliformis is a promising approach for the sustainable and eco-friendly production of AgNPs. This method offers numerous benefits over conventional chemical methods, including its simplicity, cost-effectiveness, and the potential for the production of AgNPs with unique properties. As such, it has the potential to be a valuable tool for the development of new and innovative applications for AgNPs in various fields.
Green Synthesis Of Silver Nanomaterials
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Author : Kamel A. Abd-Elsalam
language : en
Publisher: Elsevier
Release Date : 2021-10-28
Green Synthesis Of Silver Nanomaterials written by Kamel A. Abd-Elsalam and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-10-28 with Technology & Engineering categories.
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
Silver Nanoparticle Applications
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Author : Emilio I. Alarcon
language : en
Publisher: Springer
Release Date : 2015-02-20
Silver Nanoparticle Applications written by Emilio I. Alarcon and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-02-20 with Technology & Engineering categories.
Exploring the synthesis, characterization, surface manipulation, electron transfer and biological activity of silver nanoparticles, this book examines the fundamentals of the properties and synthesis of these particles. With a renewed interest in silver nanoparticles, this book addresses the need to understand their potential in industrial, medical and other applications. It is divided into six chapters, each written by an expert and providing a comprehensive review of the topic while detailing recent advances made in each specific area. These topics include surface plasmon band, synthesis and characterization, Surface-enhanced Raman spectroscopy (SERS) and plasmon resonance mediated processes, photocatalysis, biomedical applications and biological activity. It also presents the current state of the art, challenges and future trends of catalysis, sensing and biomedical applications. ‘Silver Nanoparticle Applications’ provides an invaluable reference work and introduction for chemists, biologists, physicists and biomedical researchers who are interested in exploring the uses and applications of silver nanoparticles. It is also intended for students, researchers and professionals interested in nanotechnology.
Green Metal Nanoparticles
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Author : Suvardhan Kanchi
language : en
Publisher: John Wiley & Sons
Release Date : 2018-10-16
Green Metal Nanoparticles written by Suvardhan Kanchi and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-10-16 with Technology & Engineering categories.
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.
Molecular Basis Of Health And Disease
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Author : Undurti N. Das
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-04-02
Molecular Basis Of Health And Disease written by Undurti N. Das and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-04-02 with Medical categories.
The book describes how the balance between pro- and anti-inflammatory molecules is related to health and disease. It is suggested that many diseases are initiated and their progress is influenced by inflammatory molecules and a decrease in the production and/or action of anti-inflammatory molecules and this imbalance between pro- and anti-inflammatory molecules seems to have been initiated in the perinatal period. This implies that strategies to prevent and manage various adult diseases should start in the perinatal period. An alteration in the metaolism of essential fatty acids and their anti-inflammatory molecules such as lipoxins, resolvins, protecitns, maresins and nitrolipids seems to play a major role in the pathobiology of several adult diseases. Based on these concepts, novel therapeutic approaches in the management of insulin resistance, obesity, type 2 diabetes mellitus, metabolic syndrome, cancer, lupus, rheumatoid arthritis and other auto-immune diseases are presented. Based on all these evidences, a unified concept that several adult diseases are due to an alteration in the balance between pro- and anti-inflammatory molecules is discussed and novel methods of their management are presented.
Green Synthesis Of Nanoparticles Applications And Prospects
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Author : Quaiser Saquib
language : en
Publisher: Springer Nature
Release Date : 2020-10-19
Green Synthesis Of Nanoparticles Applications And Prospects written by Quaiser Saquib and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-10-19 with Medical categories.
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.
Nanoscale Materials In Targeted Drug Delivery Theragnosis And Tissue Regeneration
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Author : Sudesh Kumar Yadav
language : en
Publisher: Springer
Release Date : 2016-06-04
Nanoscale Materials In Targeted Drug Delivery Theragnosis And Tissue Regeneration written by Sudesh Kumar Yadav and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-06-04 with Medical categories.
This book is the first of its kind to offer a comprehensive and up-to-date discussion of the use of nanoscale materials for biomedical applications, with a particular focus on drug delivery, theragnosis and tissue regeneration. It also describes in detail the methods used in the preparation of nanoparticles. Response of nanoparticles in biological systems are also explored. Nanotechnology has led to the advent of a new field, nanomedicine, which focuses on the use of nanomaterials as drug-delivery vehicles to develop highly selective and effective drugs. The combination of molecular imaging and nanotechnology has produced theragnostic nanoparticles, which allow the simultaneous detection and monitoring of diseases. Nanotechnology can also be combined with biomaterials to create scaffolds for tissue regeneration. Further, significant advances have been made in the areas of drug delivery, theragnostic nanoparticles and tissue regeneration materials. Some nanomedicines and tissue regeneration materials are already commercially available, while others are undergoing clinical trials, and promising results have been documented. Despite the rapid advances in nanomedicine, there is a relative dearth of literature on the biomedical applications of nanoscale materials.
Silver Nanoparticles Synthesis Functionalization And Applications
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Author : Parteek Prasher
language : en
Publisher: Bentham Science Publishers
Release Date : 2022-03-14
Silver Nanoparticles Synthesis Functionalization And Applications written by Parteek Prasher and has been published by Bentham Science Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-03-14 with Technology & Engineering categories.
Silver Nanoparticles: Synthesis, Functionalization and Applications presents detailed information about the range of methods of synthesizing silver nanoparticles (AgNPs). The book systematically delves into the subject with an introductory chapter before moving to chemical synthesis of AGnPs and fabrication methods which help in assigning functional properties for useful nanomaterials. Basic and advanced synthetic methods like surface functionalization and bioconjugation are covered. Additionally, the book informs about impactful applications of AGNPs across a range of industries. Through this book, readers will be able to understand the importance of silver nanoparticles as a futuristic material in scientific investigations and gain a comprehensive understanding of the operational strategies revolving around their surface modification and conjugation. Key Features: -Covers the basics of silver nanoparticle (AGNP) synthesis -Focuses on green methods of AGNPs - Covers information about surface modification and functionalization of AGNPs with different molecules (including biomolecules) -Covers a range of applications of AGNPs -Includes advanced applications of AGNPs in next-generation antibiotics Silver Nanoparticles: Synthesis, Functionalization and Applications a handy reference for scholars in advanced chemical engineering, materials science and pharmacology programs as well as anyone who wants to know all about silver nanoparticles.