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Books > Professional & Technical > Technology: general issues > Nanotechnology
This book gives an overview of the existing self-healing nanotextured vascular approaches. It describes the healing agents used in engineering self-healing materials as well as the fundamental physicochemical phenomena accompanying self-healing. This book also addresses the different fabrication methods used to form core-shell nanofiber mats. The fundamental theoretical aspects of fracture mechanics are outlined. A brief theoretical description of cracks in brittle elastic materials is given and the Griffith approach is introduced. The fracture toughness is described, including viscoelastic effects. Critical (catastrophic) and subcritical (fatigue) cracks and their growth are also described theoretically. The adhesion and cohesion energies are introduced as well, and the theory of the blister test for the two limiting cases of stiff and soft materials is developed. In addition, the effect of non-self-healing nanofiber mats on the toughening of ply surfaces in composites is discussed. The book also presents a brief description of the electrochemical theory of corrosion crack growth. All the above-mentioned phenomena are relevant in the context of self-healing materials.
This thesis introduces a unique approach of applying atomic force microscopy to study the nanoelectromechanical properties of 2D materials, providing high-resolution computer-generated imagery (CGI) and diagrams to aid readers' understanding and visualization. The isolation of graphene and, shortly after, a host of other 2D materials has attracted a great deal of interest in the scientific community for both their range of extremely desirable and their record-breaking properties. Amongst these properties are some of the highest elastic moduli and tensile strengths ever observed in nature. The work, which was undertaken at Lancaster University's Physics department in conjunction with the University of Manchester and the National Physical Laboratory, offers a new approach to understanding the nanomechanical and nanoelectromechanical properties of 2D materials by utilising the nanoscale and nanosecond resolution of ultrasonic force and heterodyne force microscopy (UFM and HFM) - both contact mode atomic force microscopy (AFM) techniques. Using this approach and developing several other new techniques the authors succeeded in probing samples' subsurface and mechanical properties, which would otherwise remain hidden. Lastly, by using a new technique, coined electrostatic heterodyne force microscopy (E-HFM), the authors were able to observe nanoscale electromechanical vibrations with a nanometre and nanosecond resolution, in addition to probing the local electrostatic environment of devices fabricated from 2D materials.
This thesis describes novel substrate embedded physical sensors that can be used to monitor different types of cell-based assays non-invasively and label-free. The sensors described provide integrative information of the cells under study with an adaptable time resolution (ranging from milliseconds to days). This information about the dynamic cell response to chemical, physical or biological stimuli defines a new paradigm in fundamental biomedical research. The author, Maximilian Oberleitner, describes approaches in which the cells are directly grown on different sensor surfaces (gold-film electrodes, shear wave resonators or dye-doped polymer films). This approach, with the reacting cells in particularly close proximity and contact with the sensor surface, is key to a remarkable sensitivity, opening the way for a variety of new applications. This thesis not only introduces the fundamentals of each approach, but it also describes in great detail the design principles and elucidates the boundary conditions of the new sensors.
With the recent shift of chemical fertilizers and pesticides to organic agriculture, the employment of microbes that perform significant beneficial functions for plants has been highlighted. This book presents timely discussion and coverage on the use of microbial formulations, which range from powdered or charcoal-based to solution and secondary metabolite-based bioformulations. Bioformulation development of biofertilizers and biopesticides coupled with the advantages of nanobiotechnology propose significant applications in the agricultural section including nanobiosensors, nanoherbicides, and smart transport systems for the regulated release of agrochemical. Moreover, the formulation of secondary metabolites against individual phytopathogens could be used irrespective of geographical positions with higher disease incidences. The prospective advantages and uses of nanobiotechnology generate tremendous interest, as it could augment production of agricultural produce while being cost-effective both energetically and economically. This bioformulation approach is incomparable to existing technology, as the bioformulation would explicitly target the particular pathogen without harming the natural microbiome of the ecosystem. Nanobiotechnology in Bioformulations covers the constraints associated with large-scale development and commercialization of bioinoculant formations. Furthermore, exclusive emphasis is be placed on next-generation efficient bioinoculants having secondary metabolite formulations with longer shelf life and advanced competence against several phytopathogens. Valuable chapters deal with bioformulation strategies that use divergent groups of the microbiome and include detailed diagrammatic and pictorial representation. This book will be highly beneficial for both experts and novices in the fields of microbial bioformulation, nanotechnology, and nano-microbiotechnology. It discusses the prevailing status and applications available for microbial researchers and scientists, agronomists, students, environmentalists, agriculturists, and agribusiness professionals, as well as to anyone devoted to sustaining the ecosystem.
This book discusses microstructure-property correlations and explores key microstructure features and how they affect the properties of a material. The authors discuss the effect of manufacturing and processing routes on microstructure and properties. They identify appropriate microstructure and mechanical characterization techniques essential for developing accurate microstructure-property relationships. The techniques include high resolution imaging methods and properties measurements such as hardness, strength, elastic modulus, and fracture toughness. Current and future trends in hard and superhard material design are revealed by the authors, including nanostructured materials, biomimicry, and novel manufacturing technologies.
Nanotechnology, clean technology, and geoengineering span the scale of human ingenuity, from the imperceptibly small to the unimaginably large. Yet they are united by a commonality of ethics that permeates how and why they are developed, and how the resulting consequences are managed. The articles in this volume provide a comprehensive account of current thinking around the ethics of development and use within each of the technological domains, and addresses challenges and opportunities that cut across all three. In particular, the collection provides unique insights into the ethics of 'noumenal' technologies - technologies that are impossible to see or detect or conceive of with human senses or conventional tools. This collection will be of relevance to anyone who is actively involved with ensuring the responsible and sustainable development of nanotechnology, geoengineering or clean technology.
This thesis proposes a novel way to catch light energy using an ultrasmall nanostructure. The author has developed photon-materials systems to open the way for novel photoexcitation processes based on the findings obtained from in-situ observation of the systems in which localized surface plasmon (LSP) and molecules interact strongly. The highly ordered metal nanostructure provided the opportunity for anisotropic photoexcitation of materials in an eccentric way. The optimization of the systems via nanostructuring and electrochemical potential control resulted in the novel excitation process using LSP to realize the additional transition for photoexcitation. Furthermore, excited electronic states formed the strong coupling between LSP and excitons of molecules. This thesis will provide readers with an idea for achieving very effective processes for photon absorption, scattering, and emission beyond the present limits of photodevices.
This book offers a detailed discussion of the complex magnetic behavior of magnetic nanosystems, with its myriad of geometries (e.g. core-shell, heterodimer and dumbbell) and its different applications. It provides a broad overview of the numerous current studies concerned with magnetic nanoparticles, presenting key examples and an in-depth examination of the cutting-edge developments in this field. This contributed volume shares the latest developments in nanomagnetism with a wide audience: from upper undergraduate and graduate students to advanced specialists in both academia and industry. The first three chapters serve as a primer to the more advanced content found later in the book, making it an ideal introductory text for researchers starting in this field. It provides a forum for the critical evaluation of many aspects of complex nanomagnetism that are at the forefront of nanoscience today. It also presents highlights from the extensive literature on the topic, including the latest research in this field.
This book aims to address how nanotechnology risks are being addressed by scientists, particularly in the areas of human health and the environment and how these risks can be measured in financial terms for insurers and regulators. It provides a comprehensive overview of nanotechnology risk measurement and risk transfer methods, including a chapter outlining how Bayesian methods can be used. It also examines nanotechnology from a legal perspective, both current and potential future outcomes. The global market for nanotechnology products was valued at $22.9 billion in 2013 and increased to about $26 billion in 2014. This market is expected to reach about $64.2 billion by 2019, a compound annual growth rate (CAGR) of 19.8% from 2014 to 2019. Despite the increasing value of nanotechnologies and their widespread use, there is a significant gap between the enthusiasm of scientists and nanotechnology entrepreneurs working in the nanotechnology space and the insurance/regulatory sector. Scientists are scarcely aware that insurers/regulators have concerns about the potential for human and environmental risk and insurers/regulators are not in a position to access the potential risk. This book aims to bridge this gap by defining the current challenges in nanotechnology across disciplines and providing a number of risk management and assessment methodologies. Featuring contributions from authors in areas such as regulation, law, ethics, management, insurance and manufacturing, this volume provides an interdisciplinary perspective that is of value to students, academics, researchers, policy makers, practitioners and society in general.
Nanostructures covers the main concepts and fundamentals of nanoscience emphasizing characteristics and properties of numerous nanostructures. This book offers a clear explanation of nanostructured materials via several examples of synthesis/processing methodologies and materials characterization. In particular, this book is targeted to a range of scientific backgrounds, with some chapters written at an introductory level and others with the in-depth coverage required for a seasoned professional. Nanostructures is an important reference source for early-career researchers and practicing materials scientists and engineers seeking a focused overview of the science of nanostructures and nanostructured systems, and their industrial applications.
The application of nanotechnology within the medical sphere has had a significant influence on how diseases and conditions are treated and diagnosed. While many strides have been made, there is still continuous research on nanotechnology being performed in the field. Advancing Medicine through Nanotechnology and Nanomechanics Applications highlights emergent trends and empirical research on technological innovations in medicine and healthcare. Investigating the impact of nanotechnology and nanomechanics on the treatment of diseases, regenerative medicine, and drug delivery systems, this publication is a vital reference source for professionals, researchers, medical students, and engineering students.
In the face of today's environmental and economic challenges, doomsayers preach that the only way to stave off disaster is for humans to reverse course: to de-industrialize, re-localize, ban the use of modern energy sources, and forswear prosperity. But in this provocative and optimistic rebuke to the catastrophists, Robert Bryce shows how innovation and the inexorable human desire to make things Smaller Faster Lighter Denser Cheaper is providing consumers with Cheaper and more abundant energy, Faster computing, Lighter vehicles, and myriad other goods. That same desire is fostering unprecedented prosperity, greater liberty, and yes, better environmental protection.Utilizing on-the-ground reporting from Ottawa to Panama City and Pittsburgh to Bakersfield, Bryce shows how we have, for centuries, been pushing for Smaller Faster solutions to our problems. From the vacuum tube, mass-produced fertilizer, and the printing press to mobile phones, nanotech, and advanced drill rigs, Bryce demonstrates how cutting-edge companies and breakthrough technologies have created a world in which people are living longer, freer, healthier, lives than at any time in human history.The push toward Smaller Faster Lighter Denser Cheaper is happening across multiple sectors. Bryce profiles innovative individuals and companies, from long-established ones like Ford and Intel to upstarts like Aquion Energy and Khan Academy. And he zeroes in on the energy industry, proving that the future belongs to the high power density sources that can provide the enormous quantities of energy the world demands.The tools we need to save the planet aren't to be found in the technologies or lifestyles of the past. Nor must we sacrifice prosperity and human progress to ensure our survival. The catastrophists have been wrong since the days of Thomas Malthus. This is the time to embrace the innovators and businesses all over the world who are making things Smaller Faster Lighter Denser Cheaper.
This thesis focuses on a means of obtaining, for the first time, full electromagnetic imaging of photonic nanostructures. The author also develops a unique practical simulation framework which is used to confirm the results. The development of innovative photonic devices and metamaterials with tailor-made functionalities depends critically on our capability to characterize them and understand the underlying light-matter interactions. Thus, imaging all components of the electromagnetic light field at nanoscale resolution is of paramount importance in this area. This challenge is answered by demonstrating experimentally that a hollow-pyramid aperture probe SNOM can directly image the horizontal magnetic field of light in simple plasmonic antennas - rod, disk and ring. These results are confirmed by numerical simulations, showing that the probe can be approximated, to first order, by a magnetic point-dipole source. This approximation substantially reduces the simulation time and complexity and facilitates the otherwise controversial interpretation of near-field images. The validated technique is used to study complex plasmonic antennas and to explore new opportunities for their engineering and characterization.
The book describes the basic principles of transforming nano-technology into nano-engineering with a particular focus on chemical engineering fundamentals. This book provides vital information about differences between descriptive technology and quantitative engineering for students as well as working professionals in various fields of nanotechnology. Besides chemical engineering principles, the fundamentals of nanotechnology are also covered along with detailed explanation of several specific nanoscale processes from chemical engineering point of view. This information is presented in form of practical examples and case studies that help the engineers and researchers to integrate the processes which can meet the commercial production. It is worth mentioning here that, the main challenge in nanostructure and nanodevices production is nowadays related to the economic point of view. The uniqueness of this book is a balance between important insights into the synthetic methods of nano-structures and nanomaterials and their applications with chemical engineering rules that educates the readers about nanosclale process design, simulation, modelling and optimization. Briefly, the book takes the readers through a journey from fundamentals to frontiers of engineering of nanoscale processes and informs them about industrial perspective research challenges, opportunities and synergism in chemical Engineering and nanotechnology. Utilising this information the readers can make informed decisions on their career and business.
Nature, by dint of its constitution, harbors many unassuming mysteries broadly manifested by its constituent cohorts. If physics is the pivot that holds nature and chemistry provides reasons for its existence, then the rest is just manifestation. Nanoscience and technology harbor the congruence of these two core subjects, whereby many phenomenon may be studied in the same perspective. That nature operates at nanoscale-obeying the principles of thermodynamics and supramolecular chemistry-is a well understood fact manifested in a variety of life processes: bones are restored after a fracture; clots potentially leading to cerebral strokes can be dissolved. The regeneration of new structures in our system follows a bottom-up approach. Be it a microbe (benign or pathogenic), plant (lower or higher), plant parts/organs, food beneficiaries, animal (lower), higher animal processing wastes, these all are found to deliver nanomaterials under amenable processing conditions. Identically, the molecules also seem to obey the thermodynamic principles once they get dissociated/ionized and the energy captured in the form of bonding helps in the synthesis of a myriad of nanomaterials. This edited volume explores the various green sources of nanomaterial synthesis and evaluates their industrial and biomedical applications with a scope of scaling up. It provides useful information to researchers involved in the green synthesis of nanomaterials in fields ranging from medicine to integrated agricultural management.
This book introduces readers to fundamental information on phosphor and quantum dots. It comprehensively reviews the latest research advances in and applications of fluoride phosphors, oxide phosphors, nitridosilicate phosphors and various quantum dot materials. Phosphors and phosphor-based quantum dot materials have recently gained considerable scientific interest due to their wide range of applications in lighting, displays, medical and telecommunication technologies. This work will be of great interest to researchers and graduate students in materials sciences and chemistry who wish to learn more about the principles, synthesis and analysis of phosphors and quantum dot materials.
This book covers the fundamentals of Helium Ion Microscopy (HIM) including the Gas Field Ion Source (GFIS), column and contrast formation. It also provides first hand information on nanofabrication and high resolution imaging. Relevant theoretical models and the existing simulation approaches are discussed in an extra section. The structure of the book allows the novice to get acquainted with the specifics of the technique needed to understand the more applied chapters in the second half of the volume. The expert reader will find a complete reference of the technique covering all important applications in several chapters written by the leading experts in the field. This includes imaging of biological samples, resist and precursor based nanofabrication, applications in semiconductor industry, using Helium as well as Neon and many more. The fundamental part allows the regular HIM user to deepen his understanding of the method. A final chapter by Bill Ward, one of the pioneers of HIM, covering the historical developments leading to the existing tool complements the content.
This book is a first attempt to merge two different communities: scientists and technologists. Therefore, it is not a general overview covering all the fields of nanopackaging, but is mainly focused on two topics. The first topic deals with atomic scale devices or circuit requirements, as well as related recent technological developments; for example, surface science engineering and atomic scale interconnects studies. The second main part of the book brings CNT nano-materials solutions for resolving interconnect or thermal management problems in microelectronics device packaging. This book is not just useful for those who attended the International Workshop on Nanopackaging in Grenoble, but can provide valuable information to scientists and technologists in the nanopackaging community.
Carbon nanomaterials have gained relevance in chem/bio sensing applications owing to their unique chemical, mechanical, electrical, and thermal characteristics. Written by leading experts in the field, this book discusses selected, state-of-the art carbon-based nanomaterials, including nanodiamonds, graphene nanodots, carbon nanopores, and nanocellulose. It presents examples of chem/bio sensing applications ranging from biomedical studies, such as DNA sequencing and neurotransmitter sensing, to heavy-metal detection in environmental monitoring scenarios, and reviews the unique properties of carbon-based nanomaterials with respect to targeted sensing applications. Further, it highlights exciting future applications. Providing comprehensive information for practitioners and scientists working in the field of carbon nanomaterial technologies and their application, it is also a valuable resource for advanced students of analytical chemistry, biochemistry, electrochemistry, materials science, and micro-/nanotechnology and -sensing.
This book mainly focuses on the solar energy conversion with the nanomaterials. It describes the applications on two dimensional carbon nanomaterials: graphene and graphdiyne. Also, works on conductive polymer and bio-inspired material is included. The work described here is the first few reports on the applications of graphene, which becomes one of the hottest materials nowadays. This work also proves and studies the charge transfer between the semi-conductor and graphene interface, which is benefit to the applications in solar cells and photocatalysis. At the same time, method to synthesize and assemble the given nanomaterials (TiO2 nanosheets, gold nanoparticles, graphene, PS-PAA, PANI) is detailed, which is easier to the readers to repeat the experiments.
This book presents the first experiment revealing several unexplored non-equilibrium properties of quantum many-body states, and addresses the interplay between the Kondo effect and superconductivity by probing shot noise. In addition, it describes in detail nano-fabrication techniques for carbon nanotube quantum dots, and a measurement protocol and principle that probes both equilibrium and non-equilibrium quantum states of electrons. The book offers various reviews of topics in mesoscopic systems: shot noise measurement, carbon nanotube quantum dots, the Kondo effect in quantum dots, and quantum dots with superconducting leads, which are relevant to probing non-equilibrium physics. These reviews offer particularly valuable resources for readers interested in non-equilibrium physics in mesoscopic systems. Further, the cutting-edge experimental results presented will allow reader to catch up on a vital new trend in the field.
As regulations push the fossil fuel industry toward increasing standards of eco-friendliness and environmental sustainability, desulfurization (the removal of SO2 from industrial waste byproducts) presents a new and unique challenge that current technology is not equipped to address. Advances in nanotechnology offer exciting new opportunities poised to revolutionize desulfurization processes. Applying Nanotechnology to the Desulfurization Process in Petroleum Engineering explores recent developments in the field, including the use of nanomaterials for biodesulfurization and hydrodesulfurization. The timely research presented in this volume targets an audience of engineers, researchers, educators as well as students at the undergraduate and post-graduate levels.
This book gathers selected peer-reviewed papers presented at the Second International Conference on Infectious Diseases and Nanomedicine (ICIDN), held in Kathmandu, Nepal on December 15-18, 2015. It also includes invited papers from the leading experts in the related fields. The book highlights the importance of "Interdisciplinary Collaborative Research for Innovation in the Biomedical Sciences," the motto of the ICIDN conference. In particular, it addresses interdisciplinary scientific approaches for systematic understanding of the biology of major human infectious diseases and their treatment regimes by applying the tools and techniques of nanotechnology. It also provides cutting-edge information on infectious diseases and nanomedicine, focusing on various aspects of emerging infectious diseases: cellular and molecular microbiology; epidemiology and infectious disease surveillance; antimicrobials, vaccines and alternatives; drug design, drug delivery and tissue engineering; nanomaterials and biomedical materials. |
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