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Unraveling the Safety Profile of Nanoscale Particles and Materials - From Biomedical to Environmental Applications

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ISBN: 9789535139393 9789535139409 9789535139898 Year: Pages: 172 DOI: 10.5772/65837 Language: English
Publisher: IntechOpen
Subject: Technology (General) --- Electrical and Nuclear Engineering
Added to DOAB on : 2019-10-03 07:51:51

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As nanomaterials become increasingly present in our daily lives, pertinent questions regarding their safety arise. Nanomaterial risk assessment, as in other areas, directs much of the effort worldwide in defining guidelines that may be translated into national or international directives. Nanomaterials encompass different entities, from nanoparticles to nanostructured materials, with specific effects over cells, tissues, organisms and ecosystems depending on their biophysical characteristics. Such interactions will directly affect the impact of novel nanotechnologies. This book aims to provide the reader with a comprehensive overview of the current state of the art in nanotoxicology, featuring the most important developments and critical issues regarding the use of and exposure to nanoparticles.

Novel Nanomaterials - Synthesis and Applications

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ISBN: 9781789230888 9781789230895 Year: Pages: 370 DOI: 10.5772/intechopen.70149 Language: English
Publisher: IntechOpen
Subject: Technology (General) --- General and Civil Engineering --- Materials
Added to DOAB on : 2019-10-03 07:51:51

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""Nanomaterials"" is a special topic of recent research and is a milestone of nanoscience and nanotechnology. Nanoscale materials are a series of substances/compounds, in which at least one dimension has smaller size than 100 nm. Nanomaterials have a broad area of development, which is growing rapidly day by day. Their impact on commercial applications as well as on the respective academia and education is huge. The basic points of this book can be divided into synthesis of nanomaterials and their applications. For example, special mention is about metal-oxide nanostructures, nanocomposites, and polymeric nanomaterials. Also, synthesis, characterizations, various processes, fabrications and some promising applications are also developed and analyzed.

Novel Aspects of Nanofibers

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ISBN: 9781789230741 9781789230758 Year: Pages: 160 DOI: 10.5772/intechopen.69649 Language: English
Publisher: IntechOpen
Subject: Technology (General) --- General and Civil Engineering --- Materials
Added to DOAB on : 2019-10-03 07:51:51

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This book is a supplement of the previous book Nanofibers: Production, Properties and Functional Applications (published by InTech in 2011). It reports on novel methods of fabricating nanofibers, nanofiber yarns, and collagen nanofibers; functionalities of photochromic nanofibers, bead-on-string nanofibers, and bio-regeneration nanofibers; as well as piezoelectric nanoparticle-reinforced nanofibers. I deeply appreciate the authors' great contributions to nanofiber discipline.

Natural and Artificial Fiber-Reinforced Composites as Renewable Sources

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ISBN: 9781789230604 9781789230611 Year: Pages: 138 DOI: 10.5772/intechopen.68740 Language: English
Publisher: IntechOpen
Subject: Technology (General) --- General and Civil Engineering --- Materials
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Nano- and micro-sized natural fibers of vegetable origin are fully biodegradable in nature. However, the nano- and micro-sized synthetic fibers are fully man-made. Fiber-reinforced composites composed of stiffened fiber and matrix are well-known engineering materials. Fiber-reinforced materials have been used in industrial production. Natural fibers can be obtained from many sources in nature such as wool, sisal, ramie, kenaf, jute, hemp, grass, flax, cotton, coir, bamboo and abaca, banana, and sugarcane bagasse. Artificial fibers have been produced from more stiff materials such as glass, single-walled carbon nanotubes, double-walled carbon nanotubes, carbon, aramid, boron and polyethylene (PE). The cyclic reusability of materials is an important qualification in protecting the environment from waste pollution. Three important factors can be mentioned in terms of material properties in the recycling process. The first factor is ""the rate of cyclic usage,"" the second one is ""less material loss in each recycle,"" and the last one is ""the role of waste products in the self-renewal of ecosystem."" In engineering area, the usage of waste materials has taken into account in production of composite materials. The use of waste materials as particulate-type composite production is also possible in the industry. Fiber-reinforced materials can be grouped into two categories: ""the natural fiber-reinforced materials"" and ""the artificially produced fiber-reinforced materials."" Finally, we conclude that this book consists of mainly summarized three subject headings within the two specific book subsections : The first group contains the main subjects related to the natural and artificial fibers obtained by literature review; second, experimental and numerical studies are made in order to perform the necessary arrangements in the production stages and to establish a decision mechanism on the specification of the technical properties of the fiber-reinforced composites. The third group of studies focused on the use of sustainable bio-composites and recycled textile wastes as reinforcements in construction.

Carbon Nanotubes - Recent Progress

Authors: ---
ISBN: 9781789230529 9781789230536 Year: Pages: 364 DOI: 10.5772/intechopen.68691 Language: English
Publisher: IntechOpen
Subject: Technology (General) --- General and Civil Engineering --- Materials
Added to DOAB on : 2019-10-03 07:51:51

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The book Carbon Nanotubes - Recent Progress contains a number of recent researches on synthesis, growth, characterization, development, and potential applications on carbon materials especially CNTs in nanoscale. It is a promising novel research from top to bottom that has received a lot of interest in the last few decades. It covers the advanced topics on the physical, chemical, and potential applications of CNTs. Here, the interesting reports on cutting-edge science and technology related to synthesis, morphology, control, hybridization, and prospective applications of CNTs are concluded. This potentially unique work offers various approaches on the R&D implementation of carbon-related materials and their hybrids. Basically, we know that nanotechnology offers the regulating of substances at the nanoscale and nanodimension substances in few nanometers, in which exclusive phenomenon facilitates us to control the novel practical applications with carbon materials or CNTs. Here, in this book, an overview of current CNTs' fundamental and substantial applications and enactment of the research worldwide is presented. The techniques of CNT preparation, types of carbon material utilization, and possible applications related with CNTs or carbon-hybrid material researches were investigated. It is an important booklet for research organizations, governmental research centers, academic libraries, and R&D affianced in recent research and development of carbon nanotubes.

State of the Art in Nano-bioimaging

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ISBN: 9781789232943 9781789232950 Year: Pages: 114 DOI: 10.5772/intechopen.70076 Language: English
Publisher: IntechOpen
Subject: Physics (General)
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Nano-bioimaging is a real-time observation method for the study of biological processes in subcellular structures and entire cells. This technique aims to interfere as little as possible with life processes using nanoscale materials and probes. In this method, nanoscale photon source is often used for imaging, and 3D structure of the observed specimen is studied in detail without physical interference. Over the last decade, further boost in bioimaging has led to increase the nano-bioimaging impact that includes many improvements in the data analysis method, image processing, and molecular imaging technology. However, to increase the usage of nano-bioimaging, several developments in the field of diagnosis accuracy, photobleaching prevention, and controlling of the fluorescence resonance energy transfer (FRET) must be achieved. The purpose of this book is to provide a perspective on the current status of nano-bioimaging technologies.

Electrospinning Method Used to Create Functional Nanocomposites Films

Authors: --- ---
ISBN: 9781789235807 9781789235814 Year: Pages: 158 DOI: 10.5772/intechopen.70984 Language: English
Publisher: IntechOpen
Subject: Technology (General) --- General and Civil Engineering --- Materials
Added to DOAB on : 2019-10-03 07:51:52

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The most effective method of producing nanofibres is the technology of producing in the electrostatic field, which does not require the use of complicated procedures and equipment. Electrospinning allows to produce 1D nanostructures on an industrial scale in a relatively easy and quick way. The method of electrospinning shares the most features with classical technologies in obtaining synthetic fibres that enable forming and generating a stream of previously dissolved or melted polymer and its coaxial stretching, combined with the transition of the polymer from a liquid state to a solid state. In view of the large application possibilities of electrospun fibres, electrospinning is enjoying a dynamically growing interest of scientists, which can be proven by the increasing trend of scientific publications.

Nanocrystals and Nanostructures

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ISBN: 9781789236644 9781789236651 Year: Pages: 114 DOI: 10.5772/intechopen.71096 Language: English
Publisher: IntechOpen
Subject: Technology (General) --- General and Civil Engineering --- Materials
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Nanocrystals and nanostructures attract a special attention in the recent years due to their various properties and a wide range of applications such as in electrical, optical, optoelectronic, catalytic, medicine, chemo- and biosensing, and environmental protection fields. Although extensive research has been done in the field of nanocrystals, it is considered one growing research field. The main goal of this book is to present the current research activities in the field of nanocrystals and nanostructures covering issues regarding new synthesis methods, self-assembly strategies, characterization techniques, properties, and applications. Interesting reports regarding biomimetic modeling of the biomineralization processes and theoretical models to describe mechanisms of deformation twinning in nanocrystalline and ultrafine-grained materials have been presented. By structuring, approaching, and content, the work may be useful for specialist in the field of nano-/materials science, PhD students, students, and all those interested in this topic of high relevance.

Chemical Vapor Deposition for Nanotechnology

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ISBN: 9781789849608 9781789849615 Year: Pages: 164 DOI: 10.5772/intechopen.73342 Language: English
Publisher: IntechOpen
Subject: Technology (General) --- General and Civil Engineering --- Materials
Added to DOAB on : 2019-10-03 07:51:52

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Chemical vapor deposition (CVD) techniques have played a major role in the development of modern technology, and the rise of nanotechnology has further increased their importance, thanks to techniques such as atomic layer deposition (ALD) and vapor liquid solid growth, which are able to control the growth process at the nanoscale. This book aims to contribute to the knowledge of recent developments in CVD technology and its applications. To this aim, important process innovations, such as spatial ALD, direct liquid injection CVD, and electron cyclotron resonance CVD, are presented. Moreover, some of the most recent applications of CVD techniques for the growth of nanomaterials, including graphene, nanofibers, and diamond-like carbon, are described in the book.

Nanocomposites - Recent Evolutions

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ISBN: 9781789850116 9781789850123 Year: Pages: 230 DOI: 10.5772/intechopen.73364 Language: English
Publisher: IntechOpen
Subject: Technology (General) --- General and Civil Engineering --- Materials
Added to DOAB on : 2019-10-03 07:51:52

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To have unimaginably outstanding useful properties (physical, mechanical, electrical, optical, chemical, and magnetic) in a single material design is a highly challenging task in the material science community, which can be achieved through nanocomposites. These nanocomposites can be produced from all conventional materials, which include polymers, metals/alloys, and ceramics, by modifying their internal structures. Due to modification of the structures of all kinds of conventional materials, at either the nano or ultra-fine level, the materials exhibit superior performance, which is a boon for all fields of science. In general, nanocomposite materials can be manufactured by solid-state processing techniques, liquid metallurgy, ex-situ and in-situ powder metallurgy, and other basic science synthesis routes. Furthermore, the possibility of making environmentally friendly materials is also possible with nanotechnology. Therefore, to investigate and demonstrate developments in the field of nanocomposites, this book is targeted at all the scientific personnel working in this field.

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