Synthesis And Characterization Of Gd Doped Inp Zns Quantum Dots For Use In Multimodal Imaging Probes

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Synthesis and Characterization of Gd-doped InP/ZnS Quantum Dots for Use in Multimodal Imaging Probes

Author : Molly Erin Duszynski
Publisher :
ISBN 13 :
Total Pages : 82 pages
Book Rating : 4.:/5 (112 download)

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Book Synopsis Synthesis and Characterization of Gd-doped InP/ZnS Quantum Dots for Use in Multimodal Imaging Probes by : Molly Erin Duszynski

Download or read book Synthesis and Characterization of Gd-doped InP/ZnS Quantum Dots for Use in Multimodal Imaging Probes written by Molly Erin Duszynski and published by . This book was released on 2019 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: Quantum dots (QDs), which are intensely fluorescent nanocrystals ranging 2-10 nanometers in diameter, have shown promise in fluorescence imaging. However, in vivo applications of QDs are limited due to the opaque surrounding of tissue and bones. In this study, InP/ZnS QDs were doped with a paramagnetic atom in an attempt to render them MRI-active. We have further bioconjugated these nanoprobes to develop highly specific MRI-active probes that can be used for detection of neurodegenerative diseases. These bioconjugated nanoprobes detect a mutated form of alpha-synuclein that forms oligomers that are a hallmark of Parkinson’s disease and other alpha-synucleinopathies. Here, we have optimized the doping of QDs with MRI-active metals (e.g. Gadolinium) and characterized the MRI activity. The resulting nanocrystals were further studied to assess the success of the paramagnetic atom’s incorporation into the crystal lattice and its performance as a probe for alpha-synucleinopathies such as Parkinson’s disease.

Magnetic Quantum Dots for Bioimaging

Author : Amin Reza Rajabzadeh
Publisher : CRC Press
ISBN 13 : 1000881032
Total Pages : 305 pages
Book Rating : 4.0/5 (8 download)

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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.

Synthesis and Characterization of Doped Core/shell Quantum Dots

Author : Elizabeth J. Sodt
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (228 download)

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Book Synopsis Synthesis and Characterization of Doped Core/shell Quantum Dots by : Elizabeth J. Sodt

Download or read book Synthesis and Characterization of Doped Core/shell Quantum Dots written by Elizabeth J. Sodt and published by . This book was released on 2007 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The central theme of the research performed is the systematic modification of the optical properties of quantum dots by the formation of a shell of another quantum dot of a different band gap energy. Core/shell quantum dots such as CdS:Mn/CdS. CdS:Mn/ZnS, and ZnS:Mn/CdS with various concentrations of dopant Mn2 in the core and shell concentrations have been synthesized under mild conditions in the aqueous phase using stoichiometric amounts of the surfactant stabilizer dodecyl sulfate. These quantum dots exhibit UV-vis, emission, and electron paramagnetic resonance (EPR) spectral behavior that is dependent on the concentration of the shell and the dopant Mn2 in the core. The emission intensities of the core quantum dots do exhibit a systematic variation with Mn2 concentration. When a shell is added a systematic variation in the emission intensity and lifetime that are inversely proportional to the concentration of the shell is observed. When the large band gap ZnS is added as a shell to the small band gap CdS, the Mn2+ ions migrate from the core to the shell which is manifested in the emission and EPR spectra. Additionally the mixing of the valence and conduction band energy states of the large and small band gap shell and core respectively is also manifested in the emission spectra. In the reverse case, namely when CdS is added as a shell to ZnS the migration is not observed and the mixing of the valence and conduction band energy levels is minimum. The tunable optical properties of these core/shell quantum dots make them excellent platforms for the generation of nanosensors for nerve gas analogs.

Quantum Dots

Author : Inamuddin
Publisher : Materials Research Forum LLC
ISBN 13 : 1644901242
Total Pages : 360 pages
Book Rating : 4.6/5 (449 download)

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Book Synopsis Quantum Dots by : Inamuddin

Download or read book Quantum Dots written by Inamuddin and published by Materials Research Forum LLC. This book was released on 2021-04-05 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book provides a thorough survey of current research in quantum dots synthesis, properties, and applications. The unique properties of these new nanomaterials offer multifunctional applications in such fields as photovoltaics, light-emitting diodes, field-effect transistors, lasers, photodetectors, solar cells, biomedical diagnostics and quantum computing. Keywords: Quantum Dots (QD), Photovoltaics, Light-emitting Diodes, Field-effect Transistors, Lasers, Photodetectors, Solar Cells, Biomedical Diagnostics, Quantum Computing, QD Synthesis, Carbon QDs, Graphene QDs, QD Sensors, Supercapacitors, Magnetic Quantum Dots, Cellular/Molecular Separation, Chromatographic Separation Column, Photostability, Luminescence of Carbon QDs, QD Materials for Water Treatment, Semiconductor Quantum Dots, QD Drug Delivery, Antibacterial Quantum Dots.

Quantum Dots

Author : Orion Ciftja
Publisher :
ISBN 13 : 9781619429680
Total Pages : 0 pages
Book Rating : 4.4/5 (296 download)

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Book Synopsis Quantum Dots by : Orion Ciftja

Download or read book Quantum Dots written by Orion Ciftja and published by . This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanoscience and nanotechnology is continuously moving forward enabling the precise, controlled fabrication of structures and devices at atomic and molecular scales. Quantum dots are typically semiconductor nanocrystals that have gained tremendous attention due to their unique electronic, magnetic, chemical and optical properties. They have proven very useful in applications in many fields across the physical, engineering, chemical, biological and medical sciences. In this book, the authors give an overview of the progress and major research developments in the field of quantum dots over the past two decades. They specifically focus on discussing the cutting-edge applications in the fields of information technology, electronics, biotechnology, energy, medicine, cellular imaging and diagnostic bio-sensing.

Nonmagnetic and Magnetic Quantum Dots

Author : Vasilios N. Stavrou
Publisher : BoD – Books on Demand
ISBN 13 : 9535139592
Total Pages : 248 pages
Book Rating : 4.5/5 (351 download)

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Book Synopsis Nonmagnetic and Magnetic Quantum Dots by : Vasilios N. Stavrou

Download or read book Nonmagnetic and Magnetic Quantum Dots written by Vasilios N. Stavrou and published by BoD – Books on Demand. This book was released on 2018-04-04 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book entitled Nonmagnetic and Magnetic Quantum Dots is divided into two sections. In Section 1, the chapters are related to nonmagnetic quantum dots and their applications. More specifically, exact models and numerical methods have been presented to describe the analytical solution of the carrier wave functions, the quantum mechanical aspects of quantum dots, and the comparison of the latter to experimental data. Furthermore, methods to produce quantum dots, synthesis techniques of colloidal quantum dots, and applications on sensors and biology, among others, are included in this section. In Section 2, a few topics of magnetic quantum dots and their applications are presented. The section starts with a theoretical model to describe the magnetization dynamics in magnetic quantum dot array and the description of dilute magnetic semiconducting quantum dots and their applications. Additionally, a few applications of magnetic quantum dots in sensors, biology, and medicine are included in Section 2.

Quantum Dot Sensors

Author : John Callan
Publisher : CRC Press
ISBN 13 : 9814364614
Total Pages : 224 pages
Book Rating : 4.8/5 (143 download)

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Book Synopsis Quantum Dot Sensors by : John Callan

Download or read book Quantum Dot Sensors written by John Callan and published by CRC Press. This book was released on 2013-01-24 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: Consisting of six chapters, written by experts in their field, this book charts the progress made in the use of quantum dots as the signaling component in optical sensors since their discovery in the early 1980s. In particular, it focuses on CdS-, CdSe-, and CdTe-type QDs due to their emission in the visible region of the electromagnetic spectrum.

Ternary Quantum Dots

Author : Oluwatobi Samuel Oluwafemi
Publisher : Woodhead Publishing
ISBN 13 : 0128183047
Total Pages : 282 pages
Book Rating : 4.1/5 (281 download)

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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

Core/Shell Quantum Dots

Author : Xin Tong
Publisher : Springer Nature
ISBN 13 : 3030465969
Total Pages : 331 pages
Book Rating : 4.0/5 (34 download)

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Book Synopsis Core/Shell Quantum Dots by : Xin Tong

Download or read book Core/Shell Quantum Dots written by Xin Tong and published by Springer Nature. This book was released on 2020-07-01 with total page 331 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book outlines various synthetic approaches, tuneable physical properties, and device applications of core/shell quantum dots (QDs). Core/shell QDs have exhibited enhanced quantum yield (QY), suppressed photobleaching/blinking, and significantly improved photochemical/physical stability as compared to conventional bare QDs. The core-shell structure also promotes the easy tuning of QDs’ band structure, leading to their employment as attractive building blocks in various optoelectronic devices. The main objective of this book is to create a platform for knowledge sharing and dissemination of the latest advances in novel areas of core/shell QDs and relevant devices, and to provide a comprehensive introduction and directions for further research in this growing area of nanomaterials research.

Quantum Dots for DNA Biosensing

Author : Jun-Jie Zhu
Publisher : Springer Science & Business Media
ISBN 13 : 3642449107
Total Pages : 96 pages
Book Rating : 4.6/5 (424 download)

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Book Synopsis Quantum Dots for DNA Biosensing by : Jun-Jie Zhu

Download or read book Quantum Dots for DNA Biosensing written by Jun-Jie Zhu and published by Springer Science & Business Media. This book was released on 2013-12-04 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a broad introduction to all major aspects of quantum dot properties including fluorescence, electrochemical, photochemical and electroluminescence. Such properties have been produced for applications in biosensing, cell tracking, in vivo animal imaging and so on. It focuses on their special applications in DNA biosensing and provides readers with detailed information on the preparation and functionalization of quantum dots and the fabrication of DNA biosensors, using examples to show how these properties can be used in DNA biosensor design and the advantages of quantum dots in DNA biosensing. Further new emerging quantum dots such as metal nanoclusters and graphene dots and their applications in DNA biosensing have also been included.

Aqueous Synthesis and Characterization of CdTe/CdS/ZnS Quantum Dots, Their Cytotoxicity, and Cellular Interactions

Author :
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (945 download)

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Book Synopsis Aqueous Synthesis and Characterization of CdTe/CdS/ZnS Quantum Dots, Their Cytotoxicity, and Cellular Interactions by :

Download or read book Aqueous Synthesis and Characterization of CdTe/CdS/ZnS Quantum Dots, Their Cytotoxicity, and Cellular Interactions written by and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Quantum dots, cytotoxicity, PEGylation, 3D spheroid culture, cell imaging. - Zytotoxizität, PEGylierung, 3D Zellkultur, Visualisierung

Quantum Dots

Author : Rakshit Ameta
Publisher : Elsevier
ISBN 13 : 0323858953
Total Pages : 393 pages
Book Rating : 4.3/5 (238 download)

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Book Synopsis Quantum Dots by : Rakshit Ameta

Download or read book Quantum Dots written by Rakshit Ameta and published by Elsevier. This book was released on 2022-09-20 with total page 393 pages. Available in PDF, EPUB and Kindle. Book excerpt: Quantum Dots: Fundamentals, Synthesis and Applications compiles key information, along with practical guidance on quantum dot synthesis and applications. Beginning with an introduction, Part One highlights such foundational knowledge as growth mechanisms, shape and composition, electrochemical properties, and production scale-up for quantum dots. Part Two goes on to provide practical guides to key chemical, physical and biological methods for the synthesis of quantum dots, with Part Three reviewing the application of quantum dots and a range of important use cases, including photocatalysis, energy cells and medical imaging. Drawing on the knowledge of its expert authors, this comprehensive book provides practical guidance for all those who already study, develop or use quantum dots in their work. - Presents the foundational information needed to effectively understand and manipulate quantum dot properties - Consolidates key methods of quantum dot synthesis in a single volume - Reviews both current and future practical applications of quantum dots across a range of important fields

Semiconductor Quantum Dots

Author : Yasuaki Masumoto
Publisher : Springer Science & Business Media
ISBN 13 : 9783540428053
Total Pages : 520 pages
Book Rating : 4.4/5 (28 download)

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Book Synopsis Semiconductor Quantum Dots by : Yasuaki Masumoto

Download or read book Semiconductor Quantum Dots written by Yasuaki Masumoto and published by Springer Science & Business Media. This book was released on 2002-05-28 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: Growth of Self Organized Quantum Dots / J.-S. Lee / - Excitonic Structures and Optical Properties of Quantum Dots / Toshihide Takagahara / - Electron-Phonon Interactions in Semiconductor Quantum Dots / Toshihide Takagahara / - Micro-Imaging and Single Dot Spectroscopy of Self Assembled Quantum Dots / Mitsuru Sugisaki / - Persistent Spectral Hole Burning in Semiconductor Quantum Dots / Yasuaki Masumoto / - Dynamics of Carrier Relaxation in Self Assembled Quantum Dots / Ivan V. Ignatiev, Igor E. Kozin / - Resonant Two-Photon Spectroscopy of Quantum Dots / Alexander Baranov / - Homogeneous Width of Confined Excitons in Quantum Dots - Experimental / Yasuaki Masumoto / - Theory of Exciton Dephasing in Semiconductor Quantum Dots / Toshihide Takagahara / - Excitonic Optical Nonlinearity and Weakly Correlated Exciton-Pair States / Selvakumar V. Nair, Toshihide Takagahara / - Coulomb Effects in the Optical Spectra of Highly Excited Semiconductor Quantum Dots / Selvakumar V. Nair / - Device ...

Quantum Dot Devices

Author : Zhiming M. Wang
Publisher : Springer Science & Business Media
ISBN 13 : 1461435706
Total Pages : 375 pages
Book Rating : 4.4/5 (614 download)

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Book Synopsis Quantum Dot Devices by : Zhiming M. Wang

Download or read book Quantum Dot Devices written by Zhiming M. Wang and published by Springer Science & Business Media. This book was released on 2012-05-24 with total page 375 pages. Available in PDF, EPUB and Kindle. Book excerpt: Quantum dots as nanomaterials have been extensively investigated in the past several decades from growth to characterization to applications. As the basis of future developments in the field, this book collects a series of state-of-the-art chapters on the current status of quantum dot devices and how these devices take advantage of quantum features. Written by 56 leading experts from 14 countries, the chapters cover numerous quantum dot applications, including lasers, LEDs, detectors, amplifiers, switches, transistors, and solar cells. Quantum Dot Devices is appropriate for researchers of all levels of experience with an interest in epitaxial and/or colloidal quantum dots. It provides the beginner with the necessary overview of this exciting field and those more experienced with a comprehensive reference source.

Self-Assembled Quantum Dots

Author : Zhiming M Wang
Publisher : Springer Science & Business Media
ISBN 13 : 0387741917
Total Pages : 470 pages
Book Rating : 4.3/5 (877 download)

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Book Synopsis Self-Assembled Quantum Dots by : Zhiming M Wang

Download or read book Self-Assembled Quantum Dots written by Zhiming M Wang and published by Springer Science & Business Media. This book was released on 2007-11-29 with total page 470 pages. Available in PDF, EPUB and Kindle. Book excerpt: This multidisciplinary book provides up-to-date coverage of carrier and spin dynamics and energy transfer and structural interaction among nanostructures. Coverage also includes current device applications such as quantum dot lasers and detectors, as well as future applications to quantum information processing. The book will serve as a reference for anyone working with or planning to work with quantum dots.

Quantum Dots in Bioanalytical Chemistry and Medicine

Author : Michael Thompson
Publisher : Royal Society of Chemistry
ISBN 13 : 1839169575
Total Pages : 333 pages
Book Rating : 4.8/5 (391 download)

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Book Synopsis Quantum Dots in Bioanalytical Chemistry and Medicine by : Michael Thompson

Download or read book Quantum Dots in Bioanalytical Chemistry and Medicine written by Michael Thompson and published by Royal Society of Chemistry. This book was released on 2023-08-25 with total page 333 pages. Available in PDF, EPUB and Kindle. Book excerpt: Quantum dots are proven powerful probes for fluorescence imaging and have distinct properties that give them unique capabilities. Currently, they are being developed for a range of additional applications including the detection of disease, fluorescent assays for drug discovery, single protein tracking and intracellular reporting. Here, the various types of quantum dots are introduced, with the reader being provided with enough information in the text and the references to encourage a new quantum dot user to get started. Including an overview of the significant advancement in the field and discussing applications, the book emphasises how the properties of quantum dots are employed in bioanalytical chemistry. Closing with a prospectus of the future for quantum dots, any researchers and students in bioanalytical chemistry, medicine and clinical biochemistry will find this title useful supplementary reading.

Cadmium Telluride Quantum Dots

Author : John Donegan
Publisher : CRC Press
ISBN 13 : 9814316059
Total Pages : 250 pages
Book Rating : 4.8/5 (143 download)

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Book Synopsis Cadmium Telluride Quantum Dots by : John Donegan

Download or read book Cadmium Telluride Quantum Dots written by John Donegan and published by CRC Press. This book was released on 2013-12-03 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the last two decades, semiconductor quantum dots—small colloidal nanoparticles—have garnered a great deal of scientific interest because of their unique properties. Among nanomaterials, CdTe holds special technological importance as the only known II–VI material that can form conventional p–n junctions. This makes CdTe very important for the development of novel optoelectronic devices such as light-emitting diodes, solar cells, and lasers. Moreover, the demand for water-compatible light emitters and the most common biological buffers give CdTe quantum dots fields a veritable edge in biolabeling and bioimaging. Cadmium Telluride Quantum Dots: Advances and Applications focuses on CdTe quantum dots and addresses their synthesis, assembly, optical properties, and applications in biology and medicine. It makes for a very informative reading for anyone involved in nanotechnology and will also benefit those scientists who are looking for a comprehensive account on the current state of quantum dot–related research.