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Single Molecule Characterization Of Photophysical And Colloidal Properties Of Biocompatible Quantum Dots
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Book Synopsis Single Molecule Characterization of Photophysical and Colloidal Properties of Biocompatible Quantum Dots by : Sören Doose
Download or read book Single Molecule Characterization of Photophysical and Colloidal Properties of Biocompatible Quantum Dots written by Sören Doose and published by . This book was released on 2003 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Single-Molecule Characterization of Photophysical and Colloidal Properties of Biocompatible Quantum Dots by :
Download or read book Single-Molecule Characterization of Photophysical and Colloidal Properties of Biocompatible Quantum Dots written by and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Colloidal semiconductor nanocrystals (NCs) have recently been introduced as novel fluorescent labels for various biological applications. Their unique optical properties -- tunable narrow emission spectrum, broad excitation spectrum, high photostability and long fluorescent lifetimes (on the order of tens of nanoseconds) -- make them attractive probes in experiments involving long observation times, multicolor and time-gated detection. Photophysical properties were investigated at the ensemble and single-molecule level for CdSe or CdTe core, CdSe/ZnS core-shell and surface-modified NCs. The use of NCs as fluorescent probes in biological applications requires various synthesis routes and surface modifications to enable solubility in aqueous solution and to allow labeling of biological macromolecules. Due to NC2s sensitivity to surface-defects chemical treatments have a significant influence on photophysical properties and need to be thoroughly monitored. Single-molecule fluorescence detection was used to characterize NC fluorescence, observe intermittency in the emission (blinking), and unravel a non-fluorescent subpopulation of NCs whose fluorescence can be restored through photo-induced activation. Stage-scanning confocal, epifluorescence and objective-type total-internal-reflection microscopy, were applied to observe surface-immobilized NCs. Fluorescence lifetimes were determined to be around 20 ns for single particles showing deviations from a mono-exponential decay. This observation was proven to be characteristic of single particles by monitoring photon antibunching. Fluorescence correlation spectroscopy (FCS) was used to characterize photophysical and colloidal properties in solution. It was shown to be a powerful technique to rapidly evaluate information on synthesis and surface modifications. These are essential to achieve water-solubility and bio-conjugation and dramatically influence the optical performance. FCS allows measuring concentration of fluorescent.
Download or read book Quantum Dots written by Charles Z. Hotz and published by Springer Science & Business Media. This book was released on 2008-02-02 with total page 253 pages. Available in PDF, EPUB and Kindle. Book excerpt: Quantum Dots captures many diverse applications enabling utility in biological detection. Organized into five parts, the first two parts cover the use of QDs in imaging fixed and living cells (and tissues). Protocols are included for using QDs in routine as well as enabling applications. Part 3 shows early efforts aimed at using QDs in live animals. The final two parts demonstrate the versatility of QD technology in existing assay technology.
Download or read book Flow Cytometry written by Ingrid Schmid and published by BoD – Books on Demand. This book was released on 2012-06-13 with total page 514 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Flow Cytometry - Recent Perspectives" is a compendium of comprehensive reviews and original scientific papers. The contents illustrate the constantly evolving application of flow cytometry to a multitude of scientific fields and technologies as well as its broad use as demonstrated by the international composition of the contributing author group. The book focuses on the utilization of the technology in basic sciences and covers such diverse areas as marine and plant biology, microbiology, immunology, and biotechnology. It is hoped that it will give novices a valuable introduction to the field, but will also provide experienced flow cytometrists with novel insights and a better understanding of the subject.
Book Synopsis Magnetic Quantum Dots for Bioimaging by : Amin Reza Rajabzadeh
Download or read book Magnetic Quantum Dots for Bioimaging written by Amin Reza Rajabzadeh and published by CRC Press. This book was released on 2023-06-05 with total page 305 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bioimaging is a sophisticated, non-invasive, and non-destructive technique for the direct visualization of biological processes. Highly luminescent quantum dots combined with magnetic nanoparticles or ions form an exciting class of new materials for bioimaging. These materials can be prepared in cost-effective ways and show unique optical behaviors. Magnetic Quantum Dots for Bioimaging explores leading research in the fabrication, characterization, properties, and application of magnetic quantum dots in bioimaging. Covers synthesis, properties, and bioimaging techniques Discusses modern manufacturing technologies and purification of magnetic quantum dots Explores thoroughly the properties and extent of magnetization to various imaging techniques Describes the biocompatibility, suitability, and toxic effects of magnetic quantum dots Reviews recent innovations, applications, opportunities, and future directions in magnetic quantum dots and their surface-decorated nanomaterials This comprehensive reference offers a road map of the use of these innovative materials for researchers, academics, technologists, and advanced students working in materials engineering and sensor technology.
Book Synopsis Inorganic Nanoprobes for Biological Sensing and Imaging by : Hedi Mattoussi
Download or read book Inorganic Nanoprobes for Biological Sensing and Imaging written by Hedi Mattoussi and published by Artech House. This book was released on 2009 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: This groundbreaking resource offers you an up-to-date account of the pioneering activity pushing new boundaries in the emerging area of inorganic nanoprobes and their use in biology and medicine. Written and edited by leading experts in the field, this unique book places particular emphasis nanoprobes made of luminescent semiconductor nanocrystals (quantum dots or QDs) and magnetic nanoparticles (MNPs). You find an insightful discussion on the synthesis, characterization, and analysis of the unique properties of luminescent QDs and MNPs.
Book Synopsis Molecular Nano Dynamics by : Hiroshi Fukumura
Download or read book Molecular Nano Dynamics written by Hiroshi Fukumura and published by John Wiley & Sons. This book was released on 2009-09-09 with total page 740 pages. Available in PDF, EPUB and Kindle. Book excerpt: From artificial surfaces to living cells, Molecular Nano Dynamics, Vol. I and Vol. II explores more than 40 important methods for dynamic observation of the nanoscale. Edited by absolute science greats from Japan, this two-volume set covers all important aspects of this topic: nanoscale spectroscopy and characterization tools, nanostructure dynamics, single living cell dynamics, active surfaces, and single crystals. Destined to be the definitive reference work on nanoscale molecular dynamics and their observation for years to come, this is a must-have reference for chemists, physicists, physical chemists, theoretical chemists, and materials scientists.
Book Synopsis Unraveling the Interplay Between Structure and Photophysics in Colloidal Quantum Dot Nanostructures by : Kemar Reid
Download or read book Unraveling the Interplay Between Structure and Photophysics in Colloidal Quantum Dot Nanostructures written by Kemar Reid and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Colloidal quantum dots (QDs) make up a class of nanomaterials that provide a remarkable platform for engineering photophysical properties tailored to a range of applications of considerable technological value, including energy-efficient LEDs, robust biological probes, low-threshold solution-processed lasers, advanced photocatalysts and single-photon sources for quantum technologies. Underpinning these uses of QDs lay more fundamental investigations into the role of structure on absorption, energy relaxation, charge separation and charge recombination in order to achieve complete control over their photophysical behavior. However, with complex interfaces and diverging morphologies in synthetic products, QDs are remarkably complex nanostructured materials. It is therefore challenging to develop detailed structure-function relationships at the ensemble scale--where the properties of an array of structures are simultaneously determined. To decode this information, it is necessary to study QD nanostructures one at a time. In this work, single QD investigations were applied to three different QD systems to better understand the interplay between structure and photophysics in these materials. From revealing the role of strain-induced structural changes on the color purity of CdSe-CdS core-shell QDs, to a thick-shell in suppressing random intermittent emission in cadmium-free InP QD nanostructures, these investigations continually point to the negative impact of structural heterogeneity on the properties of the ensemble. The implementation of a correlative technique to measure the structure and photophysics of the same QD facilitated a detailed examination of this heterogeneity in semiconductor nanorods--revealing the detrimental effects of surface roughness on the quantum efficiency of the material. The advanced characterization of QDs afforded by this technique also has far-reaching implications for QD development and could be used to inform methods to orchestrate the assembly of QD nanostructures with precisely tuned photophysical properties.
Book Synopsis Applications of Nanoscience in Photomedicine by : Michael R. Hamblin
Download or read book Applications of Nanoscience in Photomedicine written by Michael R. Hamblin and published by Elsevier. This book was released on 2015-02-17 with total page 573 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanoscience has become one of the key growth areas in recent years. It can be integrated into imaging and therapy to increase the potential for novel applications in the field of photomedicine. In the past commercial applications of nanoscience have been limited to materials science research only, however, in recent years nanoparticles are rapidly being incorporated into industrial and consumer products. This is mainly due to the expansion of biomedical related research and the burgeoning field of nanomedicine. Applications of Nanoscience in Photomedicine covers a wide range of nanomaterials including nanoparticles used for drug delivery and other emerging fields such as optofluidics, imaging and SERS diagnostics. Introductory chapters are followed by a section largely concerned with imaging, and finally a section on nanoscience-enabled therapeutics. - Covers a comprehensive up-to-date information on nanoscience - Focuses on the combination of photomedicine with nanotechnology to enhance the diversity of applications - Pioneers in the field have written their respective chapters - Opens a plethora of possibilities for developing future nanomedicine - Easy to understand and yet intensive coverage chapter by chapter
Book Synopsis Characterization of Photo-physical Properties of Semiconductor Quantum Dots at the Ensemble and Single Particle Level by : Florian Ekkehard Weigert
Download or read book Characterization of Photo-physical Properties of Semiconductor Quantum Dots at the Ensemble and Single Particle Level written by Florian Ekkehard Weigert and published by . This book was released on 2021 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Quantum Dot Molecules written by Jiang Wu and published by Springer Science & Business Media. This book was released on 2013-10-28 with total page 383 pages. Available in PDF, EPUB and Kindle. Book excerpt: A quantum dot molecule (QDM) is composed of two or more closely spaced quantum dots or “artificial atoms.” In recent years, QDMs have received much attention as an emerging new artificial quantum system. The interesting and unique coupling and energy transfer processes between the “artificial atoms” could substantially extend the range of possible applications of quantum nanostructures. This book reviews recent advances in the exciting and rapidly growing field of QDMs via contributions from some of the most prominent researchers in this scientific community. The book explores many interesting topics such as the epitaxial growth of QDMs, spectroscopic characterization, and QDM transistors, and bridges between the fundamental physics of novel materials and device applications for future information technology. Both theoretical and experimental approaches are considered. Quantum Dot Molecules can be recommended for electrical engineering and materials science department courses on the science and design of advanced and future electronic and optoelectronic devices.
Book Synopsis Genetically Engineered and Optical Probes for Biomedical Applications by :
Download or read book Genetically Engineered and Optical Probes for Biomedical Applications written by and published by . This book was released on 2005 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Spectroscopic Analyses by : Eram Sharmin
Download or read book Spectroscopic Analyses written by Eram Sharmin and published by BoD – Books on Demand. This book was released on 2017-12-06 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book presents developments and applications of these methods, such as NMR, mass, and others, including their applications in pharmaceutical and biomedical analyses. The book is divided into two sections. The first section covers spectroscopic methods, their applications, and their significance as characterization tools; the second section is dedicated to the applications of spectrophotometric methods in pharmaceutical and biomedical analyses. This book would be useful for students, scholars, and scientists engaged in synthesis, analyses, and applications of materials/polymers.
Book Synopsis Molecular Nano Dynamics: Spectroscopic methods and nanostructures by : Hiroshi Fukumura
Download or read book Molecular Nano Dynamics: Spectroscopic methods and nanostructures written by Hiroshi Fukumura and published by . This book was released on 2009 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Applications of Quantum Dots by : Abhishek Gupta
Download or read book Applications of Quantum Dots written by Abhishek Gupta and published by Arcler Press. This book was released on 2018-12 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Applications of Quantum Dots starts with a basic introduction that includes the characterization, usage and preparation in biological systems. Quantum dots have a broad spectrum of applications and this text book has covered the major applications like uncovering active precursors in colloidal quantum dot synthesis or designing artificial 2D crystals with site and size controlled quantum dots. The readers can also get the information regarding the recent developments in quantum dots/cnt co-sensitized organic solar cells and accumulation and distribution of non-targeted and anti-cd44-conjugated quantum dots in distinct phenotypes of breast cancer. Further the book also highlights the potential use of quantum dots in flow cytometry.
Book Synopsis Nanocrystal Quantum Dots by : Victor I. Klimov
Download or read book Nanocrystal Quantum Dots written by Victor I. Klimov and published by CRC Press. This book was released on 2017-12-19 with total page 485 pages. Available in PDF, EPUB and Kindle. Book excerpt: A review of recent advancements in colloidal nanocrystals and quantum-confined nanostructures, Nanocrystal Quantum Dots is the second edition of Semiconductor and Metal Nanocrystals: Synthesis and Electronic and Optical Properties, originally published in 2003. This new title reflects the book’s altered focus on semiconductor nanocrystals. Gathering contributions from leading researchers, this book contains new chapters on carrier multiplication (generation of multiexcitons by single photons), doping of semiconductor nanocrystals, and applications of nanocrystals in biology. Other updates include: New insights regarding the underlying mechanisms supporting colloidal nanocrystal growth A revised general overview of multiexciton phenomena, including spectral and dynamical signatures of multiexcitons in transient absorption and photoluminescence Analysis of nanocrystal-specific features of multiexciton recombination A review of the status of new field of carrier multiplication Expanded coverage of theory, covering the regime of high-charge densities New results on quantum dots of lead chalcogenides, with a focus studies of carrier multiplication and the latest results regarding Schottky junction solar cells Presents useful examples to illustrate applications of nanocrystals in biological labeling, imaging, and diagnostics The book also includes a review of recent progress made in biological applications of colloidal nanocrystals, as well as a comparative analysis of the advantages and limitations of techniques for preparing biocompatible quantum dots. The authors summarize the latest developments in the synthesis and understanding of magnetically doped semiconductor nanocrystals, and they present a detailed discussion of issues related to the synthesis, magneto-optics, and photoluminescence of doped colloidal nanocrystals as well. A valuable addition to the pantheon of literature in the field of nanoscience, this book presents pioneering research from experts whose work has led to the numerous advances of the past several years.
Book Synopsis Ternary Quantum Dots by : Oluwatobi Samuel Oluwafemi
Download or read book Ternary Quantum Dots written by Oluwatobi Samuel Oluwafemi and published by Woodhead Publishing. This book was released on 2021-07-02 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ternary Quantum Dots: Synthesis, Properties, and Applications reviews the latest advances in ternary (I-III-VI) chalcopyrite quantum dots (QDs), along with their synthesis, properties and applications. Sections address the fundamental key concepts of ternary quantum dots, progress in synthesis strategies (i.e., organic and aqueous synthesis), and characterization methods (i.e., transmission electron microscopy, dynamic light scattering, etc.). Properties of ternary quantum dots are comprehensively reviewed, including optical, chemical and physical properties. The factors and mechanisms of the cytotoxicity of ternary quantum dot-based nanomaterials are also described. Since ternary chalcopyrite quantum dots are less toxic and more environmentally benign than conventional binary II-VI chalcogenide quantum dots, they are being investigated to replace conventional quantum dots in a range of applications. Thus, this book reviews QDs in various applications, such as solar cells, photocatalytic, sensors and bio-applications. - Reviews fundamental concepts of ternary quantum dots and quantum dot-nanocomposites including the most relevant synthesis strategies, key properties, and characterization techniques - Delves into the cytotoxicity of quantum dots looking at the factors and mechanisms that influence cytotoxicity including demonstration of cytotoxicity assays for in vitro and in vivo tests - Touches on the many applications of ternary quantum dots including biomedical applications, applications in solar cells, sensing applications, and photocatalytic applications
