A Comparative Sudy Of Copper Chalcogenide Nanocrystals As Agents For Photothermal Therapy
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A Comparative Sudy Of Copper Chalcogenide Nanocrystals As Agents For Photothermal Therapy
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Author : Soohyung Lee
language : en
Publisher:
Release Date : 2016
A Comparative Sudy Of Copper Chalcogenide Nanocrystals As Agents For Photothermal Therapy written by Soohyung Lee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.
In recent years, copper sulfide nanocrystals (NCs) have emerged as promising candidates for new photothermal agents due to their strong near-infrared (NIR) light absorption, high photostability, low toxicity, and suitable size for photothermal therapy.1,2 However, the low photothermal conversion efficiency of copper sulfide NCs in the tissue transparency window from 650 to 900 nm hinders further development of copper sulfide as an effective photothermal agent.3,4 Therefore, it is still necessary to improve the photothermal conversion efficiency near 800 nm for these materials to be used effectively in photothermal therapy.4 As a result, other kinds of copper chalcogenide NCs, such as copper selenide, copper telluride, and their alloys have been recently proposed.5,6,7 By changing the mix of chalcogen substituents in the NC, the localized surface plasmon resonance (LSPR) position can be tuned to more closely match the tissue transparency window, leading to a higher photothermal conversion efficiency near the excitation wavelength.8 Copper selenide-sulfide and copper telluride-sulfide alloy NCs are especially interesting candidate materials for photothermal agents, as they should have lower cytotoxicity than pure copper selenide and copper telluride NCs due to their reduced selenium and tellurium content. However, their potential use for photothermal therapy has not yet been evaluated in depth. Herein, the photothermal conversion efficiency of several copper chalcogenide alloy NCs were investigated to evaluate the potential use of each as a photothermal agent via a comparison with unalloyed copper sulfide NCs. By controlling the composition of the alloys, their localized surface plasmon resonance peaks could be tuned throughout the near-infrared region, potentially leading to materials with resonances more closely matched to ideal therapeutic windows. Moreover, it was found that the photothermal conversion efficiency increased relative to the copper sulfide NCs as the LSPR peaks were tuned more closely to the 808 nm laser wavelength used in this study – directly within the center of the tissue transparency window.
Cancer Theranostics
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Author : Xiaoyuan Chen
language : en
Publisher: Academic Press
Release Date : 2014-03-20
Cancer Theranostics written by Xiaoyuan Chen and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-03-20 with Medical categories.
Aiding researchers seeking to eliminate multi-step procedures, reduce delays in treatment and ease patient care, Cancer Theranostics reviews, assesses, and makes pertinent clinical recommendations on the integration of comprehensive in vitro diagnostics, in vivo molecular imaging, and individualized treatments towards the personalization of cancer treatment. Cancer Theranostics describes the identification of novel biomarkers to advance molecular diagnostics of cancer. The book encompasses new molecular imaging probes and techniques for early detection of cancer, and describes molecular imaging-guided cancer therapy. Discussion also includes nanoplatforms incorporating both cancer imaging and therapeutic components, as well as clinical translation and future perspectives. Supports elimination of multi-step approaches and reduces delays in treatments through combinatorial diagnosis and therapy Fully assesses cancer theranostics across the emergent field, with discussion of biomarkers, molecular imaging, imaging guided therapy, nanotechnology, and personalized medicine Content bridges laboratory, clinic, and biotechnology industries to advance biomedical science and improve patient management
Gold Clusters Colloids And Nanoparticles I
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Author : D. Michael P. Mingos
language : en
Publisher: Springer
Release Date : 2014-09-27
Gold Clusters Colloids And Nanoparticles I written by D. Michael P. Mingos and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-09-27 with Science categories.
The series Structure and Bonding publishes critical reviews on topics of research concerned with chemical structure and bonding. The scope of the series spans the entire Periodic Table and addresses structure and bonding issues associated with all of the elements. It also focuses attention on new and developing areas of modern structural and theoretical chemistry such as nanostructures, molecular electronics, designed molecular solids, surfaces, metal clusters and supramolecular structures. Physical and spectroscopic techniques used to determine, examine and model structures fall within the purview of Structure and Bonding to the extent that the focus is on the scientific results obtained and not on specialist information concerning the techniques themselves. Issues associated with the development of bonding models and generalizations that illuminate the reactivity pathways and rates of chemical processes are also relevant. The individual volumes in the series are thematic. The goal of each volume is to give the reader, whether at a university or in industry, a comprehensive overview of an area where new insights are emerging that are of interest to a larger scientific audience. Thus each review within the volume critically surveys one aspect of that topic and places it within the context of the volume as a whole. The most significant developments of the last 5 to 10 years should be presented using selected examples to illustrate the principles discussed. A description of the physical basis of the experimental techniques that have been used to provide the primary data may also be appropriate, if it has not been covered in detail elsewhere. The coverage need not be exhaustive in data, but should rather be conceptual, concentrating on the new principles being developed that will allow the reader, who is not a specialist in the area covered, to understand the data presented. Discussion of possible future research directions in the area is welcomed. Review articles for the individual volumes are invited by the volume editors. Readership: research scientists at universities or in industry, graduate students Special offer For all customers who have a standing order to the print version of Structure and Bonding, we offer free access to the electronic volumes of the Series published in the current year via SpringerLink.
Applications Of Chalcogenides S Se And Te
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Author : Gurinder Kaur Ahluwalia
language : en
Publisher: Springer
Release Date : 2018-06-23
Applications Of Chalcogenides S Se And Te written by Gurinder Kaur Ahluwalia and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-06-23 with Technology & Engineering categories.
This book introduces readers to a wide range of applications for elements in Group 16 of the periodic table, such as, optical fibers for communication and sensing, X-ray imaging, electrochemical sensors, data storage devices, biomedical applications, photovoltaics and IR detectors, the rationale for these uses, the future scope of their applications, and expected improvements to existing technologies. Following an introductory section, the book is broadly divided into three parts—dealing with Sulfur, Selenium, and Tellurium. The sections cover the basic structure of the elements and their compounds in bulk and nanostructured forms; properties that make these useful for various applications, followed by applications and commercial products. As the global technology revolution necessitates the search for new materials and more efficient devices in the electronics and semiconductor industry, Applications of Chalcogenides: S, Se, and Te is an ideal book for a wide range of readers in industry, government and academic research facilities looking beyond silicon for materials used in the electronic and optoelectronic industry as well as biomedical applications.
Nanostructures For Antimicrobial Therapy
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Author : Anton Ficai
language : en
Publisher: Elsevier
Release Date : 2017-05-29
Nanostructures For Antimicrobial Therapy written by Anton Ficai and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-05-29 with Medical categories.
Nanostructures for Antimicrobial Therapy discusses the pros and cons of the use of nanostructured materials in the prevention and eradication of infections, highlighting the efficient microbicidal effect of nanoparticles against antibiotic-resistant pathogens and biofilms. Conventional antibiotics are becoming ineffective towards microorganisms due to their widespread and often inappropriate use. As a result, the development of antibiotic resistance in microorganisms is increasingly being reported. New approaches are needed to confront the rising issues related to infectious diseases. The merging of biomaterials, such as chitosan, carrageenan, gelatin, poly (lactic-co-glycolic acid) with nanotechnology provides a promising platform for antimicrobial therapy as it provides a controlled way to target cells and induce the desired response without the adverse effects common to many traditional treatments. Nanoparticles represent one of the most promising therapeutic treatments to the problem caused by infectious micro-organisms resistant to traditional therapies. This volume discusses this promise in detail, and also discusses what challenges the greater use of nanoparticles might pose to medical professionals. The unique physiochemical properties of nanoparticles, combined with their growth inhibitory capacity against microbes has led to the upsurge in the research on nanoparticles as antimicrobials. The importance of bactericidal nanobiomaterials study will likely increase as development of resistant strains of bacteria against most potent antibiotics continues. Shows how nanoantibiotics can be used to more effectively treat disease Discusses the advantages and issues of a variety of different nanoantibiotics, enabling medics to select which best meets their needs Provides a cogent summary of recent developments in this field, allowing readers to quickly familiarize themselves with this topic area
Nanomaterials Chemistry
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Author : C. N. R. Rao
language : en
Publisher: John Wiley & Sons
Release Date : 2007-09-24
Nanomaterials Chemistry written by C. N. R. Rao 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 2007-09-24 with Science categories.
With this handbook, the distinguished team of editors has combined the expertise of leading nanomaterials scientists to provide the latest overview of this field. They cover the whole spectrum of nanomaterials, ranging from theory, synthesis, properties, characterization to application, including such new developments as quantum dots, nanoparticles, nanoporous materials, nanowires, nanotubes, and nanostructured polymers. The result is recommended reading for everybody working in nanoscience: Newcomers to the field can acquaint themselves with this exciting subject, while specialists will find answers to all their questions as well as helpful suggestions for further research.
Anisotropic Nanomaterials
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Author : Quan Li
language : en
Publisher: Springer
Release Date : 2015-06-09
Anisotropic Nanomaterials written by Quan Li and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-06-09 with Science categories.
In this book anisotropic one-dimensional and two-dimensional nanoscale building blocks and their assembly into fascinating and qualitatively new functional structures embracing both hard and soft components are explained. Contributions from leading experts regarding important aspects like synthesis, assembly, properties and applications of the above materials are compiled into a reference book. The anisotropy, i.e. the direction-dependent physical properties, of materials is fascinating and elegant and has sparked the quest for anisotropic materials with useful properties. With such a curiosity, material scientists have ventured into the realm of nanometer length scale and have explored the anisotropic nanoscale building blocks such as metallic and nonmetallic particles as well as organic molecular aggregates. It turns out that the anisotropic nanoscale building blocks, in addition to direction-dependent properties, exhibit dimension and morphology dependence of physical properties. Moreover, ordered arrays of anisotropic nanoscale building blocks furnish novel properties into the resulting system which would be entirely different from the properties of individual ones. Undoubtedly, these promising properties have qualified them as enabling building blocks of 21st century materials science, nanoscience and nanotechnology. Readers will find this book professionally valuable and intellectually stimulating in the rapidly emerging area of anisotropic nanomaterials. Quan Li, Ph.D., is Director of the Organic Synthesis and Advanced Materials Laboratory at the Liquid Crystal Institute of Kent State University, where he is also Adjunct Professor in the Chemical Physics Interdisciplinary Program. He has directed research projects funded by US Air Force Research Laboratory (AFRL), US Air Force Office of Scientific Research (AFSOR), US Army Research Office (ARO), US Department of Defense Multidisciplinary University Research Initiative (DoD MURI), US National Science Foundation (NSF), US Department of Energy (DOE), US National Aeronautics and Space Administration (NASA), Ohio Third Frontier, and Samsung Electronics, among others.
Colloids For Nanobiotechnology
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Author : Wolfgang Parak
language : en
Publisher: Elsevier
Release Date : 2020-05-13
Colloids For Nanobiotechnology written by Wolfgang Parak and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-05-13 with Technology & Engineering categories.
Colloids for Nanobiotechnology: Synthesis, Characterization and Potential Applications, Volume 17, offers a range of perspectives on emerging nano-inspired colloidal applications. With an emphasis on biomedical and environmental opportunities and challenges, the book outlines how nanotechnology is being used to increase the uses and impact of colloid science. Nanotechnology offers new horizons for colloidal research and synthesis routes that allow for the production of highly reproducible and defined materials. This book presents new characterization methods and a fundamental understanding of basic physicochemical, physical and chemical properties. Explores the use of nanotechnology in enhancing colloidal characterization techniques Explains how colloids are being used in a range of nanomedical applications Demonstrates how nanotechnology is being used to create more efficient colloidal synthesis techniques
Nanocatalysis
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Author : Vivek Polshettiwar
language : en
Publisher: John Wiley & Sons
Release Date : 2013-09-06
Nanocatalysis written by Vivek Polshettiwar 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 2013-09-06 with Technology & Engineering categories.
Exhibiting both homogeneous and heterogeneous catalytic properties, nanocatalysts allow for rapid and selective chemical transformations, with the benefits of excellent product yield and ease of catalyst separation and recovery. This book reviews the catalytic performance and the synthesis and characterization of nanocatalysts, examining the current state of the art and pointing the way towards new avenues of research. Moreover, the authors discuss new and emerging applications of nanocatalysts and nanocatalysis, from pharmaceuticals to fine chemicals to renewable energy to biotransformations. Nanocatalysis features contributions from leading research groups around the world. These contributions reflect a thorough review of the current literature as well as the authors’ first-hand experience designing and synthesizing nanocatalysts and developing new applications for them. The book’s nineteen chapters offer a broad perspective, covering: Nanocatalysis for carbon-carbon and carbon-heteroatom coupling reactions Nanocatalysis for various organic transformations in fine chemical synthesis Nanocatalysis for oxidation, hydrogenation, and other related reactions Nanomaterial-based photocatalysis and biocatalysis Nanocatalysts to produce non-conventional energy such as hydrogen and biofuels Nanocatalysts and nano-biocatalysts in the chemical industry Readers will also learn about the latest spectroscopic and microscopy tools used in advanced characterization methods that shed new light on nanocatalysts and nanocatalysis. Moreover, the authors offer expert advice to help readers develop strategies to improve catalytic performance. Summarizing and reviewing all the most important advances in nanocatalysis over the last two decades, this book explains the many advantages of nanocatalysts over conventional homogeneous and heterogeneous catalysts, providing the information and guidance needed for designing green, sustainable catalytic processes.
Handbook Of Nanomaterials In Analytical Chemistry
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Author : Chaudhery Mustansar Hussain
language : en
Publisher: Elsevier
Release Date : 2019-10-22
Handbook Of Nanomaterials In Analytical Chemistry written by Chaudhery Mustansar Hussain and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-10-22 with Science categories.
Handbook of Nanomaterials in Analytical Chemistry: Modern Trends in Analysis explores the recent advancements in a variety of analytical chemistry techniques due to nanotechnology. It also devotes several chapters to the analytical techniques that have proven useful for the analysis of nanomaterials. As conventional analytical chemistry methods become insufficient in terms of accuracy, selectivity, sensitivity, reproducibility, and speed, recent advances have opened up new horizons for chemical analysis and detection methods. Chapters are authored by experts in their respective fields and include up-to-date reference materials, such as websites of interest and suggested reading lists on the latest research. Summarizes recent progress in micro-fabrication using nanomaterials for analytical chemistry techniques—among the most modernized and fast ways of performing these tasks Pays special attention to greener approaches that reduce the environmental impact and cost of the analysis process, both in terms of chemicals used and time and resource consumption Discusses many types of nanomaterials for analytical chemistry techniques, including those that are well established, such as carbon nanomaterials, as well as those that are newly trending, such as functionalized nanomaterials