Encapsulation Nanotechnologies

Author: Vikas Mittal
Publisher: John Wiley & Sons
ISBN: 1118729048
Size: 36.92 MB
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This unique and comprehensive book covers all the recent physical, chemical, and mechanical advancements in encapsulation nanotechnologies. Encapsulation is prevalent in the evolutionary processes of nature, where nature protects the materials from the environment by engulfing them in a suitable shell. These natural processes are well known and have been adopted and applied in the pharmaceutical, food, agricultural, and cosmetics industries. In recent years, because of the increased understanding of the material properties and behaviors at nanoscale, research in the encapsulation field has also moved to the generation of nanocapsules, nanocontainers, and other nano devices. One such example is the generation of self-healing nanocontainers holding corrosion inhibitors that can be used in anti-corrosion coatings. The processes used to generate such capsules have also undergone significant developments. Various technologies based on chemical, physical, and physico-chemical synthesis methods have been developed and applied successfully to generate encapsulated materials. Because of the increasing potential and value of the new nanotechnologies and products being used in a large number of commercial processes, the need for compiling one comprehensive volume comprising the recent technological advancements is also correspondingly timely and significant. This volume not only introduces the subject of encapsulation and nanotechnologies to scientists new to the field, but also serves as a reference for experts already working in this area. Encapsulation Nanotechnologies details in part: The copper encapsulation of carbon nanotubes Various aspects of the application of fluid-bed technology for the coating and encapsulation processes The use of the electrospinning technique for encapsulation The concept of microencapsulation by interfacial polymerization Overviews of encapsulation technologies for organic thin-film transistors (OTFTs), polymer capsule technology, the use of supercritical fluids (such as carbon dioxide), iCVD process for large-scale applications in hybrid gas barriers Readership Encapsulation Nanotechnologiesis of prime interest to a wide range of materials scientists and engineers, both in industry and academia.

Handbook Of Encapsulation And Controlled Release

Author: Munmaya Mishra
Publisher: CRC Press
ISBN: 1482232340
Size: 64.86 MB
Format: PDF, ePub, Mobi
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The field of encapsulation, especially microencapsulation, is a rapidly growing area of research and product development. The Handbook of Encapsulation and Controlled Release covers the entire field, presenting the fundamental processes involved and exploring how to use those processes for different applications in industry. Written at a level comprehensible to non-experts, it is a rich source of technical information and current practices in research and industry. This book is particularly designed for scientists and engineers working in various industries, including food, consumer products, pharmaceuticals, medicine, agriculture, nutraceuticals, dietary supplements, cosmetics, flavors, and fragrances. It offers a broad perspective on a variety of applications and processes, providing research information, figures, tables, illustrations, and references. The book also lays the groundwork for further advancements in encapsulation technology and controlled release applications. Catering to professionals, researchers, students, and general readers in academia, industry, and research institutions, the Handbook of Encapsulation and Controlled Release is a much-needed reference on the state of the field and an authoritative resource for continued research and development in encapsulation and controlled release technologies.

Fao Who Expert Meeting On The Application Of Nanotechnologies In The Food And Agriculture Sectors

Author: World Health Organization
Publisher: World Health Organization
ISBN: 9241563931
Size: 68.41 MB
Format: PDF
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The advent of nanotechnology has unlashed enormous prospects for the development of new products and applications for a wide range of industrial and consumer sectors. Many countries have identified its potential in the food and agriculture sectors and are investing significantly in its applications to food production. However, owing to our limited knowledge of the human health effects of these applications, many countries recognise the need for early consideration of the food safety implications of the technology. In response to this request, FAO and WHO have considered it appropriate to convene an Expert Meeting on the topic in order to identify further work that may be required to address the issue at a global level.

Biosensors Nanotechnology

Author: Ashutosh Tiwari
Publisher: John Wiley & Sons
ISBN: 1118773810
Size: 24.80 MB
Format: PDF, ePub
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This book provides detailed reviews of a range of nanostructures used in the construction of biosensors as well as the applications of these biosensor nanotechnologies in the biological, chemical, and environmental monitoring fields Biological sensing is a fundamental tool for understanding living systems, but also finds practical application in medicine, drug discovery, process control, food safety, environmental monitoring, defense, and personal security. Moreover, a deeper understanding of the bio/electronic interface leads us towards new horizons in areas such as bionics, power generation, and computing. Advances in telecommunications, expert systems, and distributed diagnostics prompt us to question the current ways we deliver healthcare, while robust industrial sensors enable new paradigms in R&D and production. Despite these advances, there is a glaring absence of suitably robust and convenient sensors for body chemistries. This book examines some of the emerging technologies that are fueling scientific discovery and underpinning new products to enhance the length and quality of our lives. The 14 chapters written by leading experts cover such topics as: ZnO and graphene microelectrode applications in biosensing Assembly of polymers/metal nanoparticles Gold nanoparticle-based electrochemical biosensors Impedimetric DNA sensing employing nanomaterials Graphene and carbon nanotube-based biosensors Computational nanochemistry study of the BFPF green fluorescent protein chromophore Biosynthesis of metal nanoparticles Bioconjugated-nanoporous gold films in electrochemical biosensors The combination of molecular imprinting and nanotechnology Principles and properties of multiferroics and ceramics

New Polymers For Encapsulation Of Nutraceutical Compounds

Author: Jorge Carlos Ruiz Ruiz
Publisher: John Wiley & Sons
ISBN: 1119228794
Size: 41.33 MB
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The incorporation of functional ingredients in a given food system and the processing and handling of such foods are associated with nutritional challenges for their healthy delivery. The extreme sensitivity of some components cause significant loss of product quality, stability, nutritional value and bioavailability, and the overall acceptability of the food product. Consequently, encapsulation has been successfully used to improve stability and bioavailability of functional ingredients. Encapsulation is one example of technology that has the potential to meet the challenge of successfully incorporating and delivering functional ingredients into a range of food types. The book will cover topics about 1) Characterization of novel polymers and their use in encapsulation processes. 2) Stability of nutraceutical compounds encapsulated with novel polymers. 3) Application of encapsulated compounds with novel polymers in functional food systems. This book provides a detailed overview of technologies for preparing and characterisation of encapsulates for food active ingredients using modified polymers. The use of modified polymers as coating materials it is a field that still needs study. The book is aimed to inform students and researchers in the areas of food science and food technology, and professionals in the food industry.

Particle Adhesion And Removal

Author: K. L. Mittal
Publisher: John Wiley & Sons
ISBN: 1118831543
Size: 50.28 MB
Format: PDF, Docs
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The book provides a comprehensive and easily accessible reference source covering all important aspects of particle adhesion and removal. The core objective is to cover both fundamental and applied aspects of particle adhesion and removal with emphasis on recent developments. Among the topics to be covered include: 1. Fundamentals of surface forces in particle adhesion and removal. 2. Mechanisms of particle adhesion and removal. 3. Experimental methods (e.g. AFM, SFA,SFM,IFM, etc.) to understand particle-particle and particle-substrate interactions. 4. Mechanics of adhesion of micro- and nanoscale particles. 5. Various factors affecting particle adhesion to a variety of substrates. 6. Surface modification techniques to modulate particle adhesion. 7. Various cleaning methods (both wet & dry) for particle removal. 8. Relevance of particle adhesion in a host of technologies ranging from simple to ultra-sophisticated.

Nanotechnology General 215th Ecs Meeting

Author: E. Traversa
Publisher: The Electrochemical Society
ISBN: 1566777577
Size: 52.65 MB
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The papers included in this issue of ECS Transactions were originally presented in the symposium ¿Nanotechnology General Session¿, held during the 215th meeting of The Electrochemical Society, in San Francisco, CA from May 24 to 29, 2009.

Green Nanotechnology Approach For Synthesis And Encapsulation Of Gold Nanoparticles From Agricultural Waste

Author: Kiruba Krishnaswamy
Publisher:
ISBN:
Size: 12.66 MB
Format: PDF, Mobi
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"Researchers in nanotechnology are turning towards "Nature" to provide inspiration to develop novel innovative methods for nanoparticle synthesis. Currently used chemical and physical methods of nanoparticles synthesis use toxic chemicals in their synthesis protocols. The toxic residues from these nanoparticles make them unsafe for food related applications. There is a need to develop nanoparticles using greener alternatives. Another challenging question that needs to be addressed is agricultural waste management. Merging these two problems led to the concept of creating wealth out of waste. Agricultural waste materials such as grape seeds, skin, stalk and organic waste generated during the Canadian fall season due to the fall of maple leaves and pine needles were used in this study to synthesize gold nanoparticles (AuNP). The main goal of this study is to synthesize gold nanoparticles without using toxic chemicals in the synthesis protocol making them suitable for drug/functional food delivery systems. A green nanotechnology approach was followed by using water as the solvent throughout the study. This value addition to agricultural waste has led to the yield of high value and ecofriendly gold nanoparticles. From the transmission electron microscopy (TEM) micrographs of gold nanoparticles produced using grape seeds (GSE), skin (GSK), stalk (GST) and pine needle extract, nearly spherically- shaped AuNP about 20 - 25 nm in diameter were observed. Whereas the gold nanoparticles produced using maple leaf extract produced triangular prisms. This is the first study stating the use of maple leaf extracts to potentially synthesize gold nanoparticles. As the plant matrix is a highly complex system, catechin, a polyphenolic compound present in grape seed, skin, and stalk, and in pine needles, was selected for further investigation. Gold nanoparticles were synthesized using different combinations of catechin (CAT), tannic acid (TAE), 1:1 CAT: TAE, 1:4 CAT: TAE. TEM images showed that gold nanoparticles synthesized using catechin were quasi-spherical in shape with 40 - 50 nm in size. All the gold nanoparticles produced by green synthesis method in this study were hydrophilic in nature.In order to make hybrid organic-inorganic carriers for drug delivery systems, AuNP synthesized using catechin was encapsulated in maltodextrin and beta-cyclodextrin complexes. The method adopted for encapsulation of AuNP into maltodextrin followed a top-down approach. The complex formation of AuNP into beta-cyclodextrin followed a bottom-up approach. Three different encapsulation methods such as microwave assisted encapsulation, freeze drying encapsulation and simple inclusion encapsulation for maltodextrin and molecular inclusion encapsulation for beta-cyclodextrin were studied for encapsulation of AuNP. The scanning electron microscopy (SEM) images of the AuNP encapsulated powder showed interesting morphology when comparing microwave assisted encapsulation to freeze drying encapsulation in both maltodextrin and beta-cyclodextrin. It was found from this study that organic-inorganic hybrid carriers can be developed using water following a green nanotechnology approach. " --

Nanotechnology

Author: Mark A. Ratner
Publisher: Prentice Hall Professional
ISBN: 9780131014008
Size: 16.17 MB
Format: PDF, Kindle
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This is an explanation of what Nanotechnology is all about and its business aspects, written in an approachable and witty style. Nanotechnology's impact will reach beyond science to touch the everyday health, work, and businesses.

Advances In Molecular Nanotechnology Research And Application 2011 Edition

Author:
Publisher: ScholarlyEditions
ISBN: 1464921164
Size: 22.22 MB
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Advances in Molecular Nanotechnology Research and Application: 2011 Edition is a ScholarlyEditions™ eBook that delivers timely, authoritative, and comprehensive information about Molecular Nanotechnology. The editors have built Advances in Molecular Nanotechnology Research and Application: 2011 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Molecular Nanotechnology in this eBook to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Advances in Molecular Nanotechnology Research and Application: 2011 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.