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Synthesis Of Modular Do3a Based High Relaxivity Contrast Agents For Mri Of Prostate Cancer
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Book Synopsis Synthesis of Modular DO3A-based High-relaxivity Contrast Agents for MRI of Prostate Cancer by : Dana Qiang Murphy Soika
Download or read book Synthesis of Modular DO3A-based High-relaxivity Contrast Agents for MRI of Prostate Cancer written by Dana Qiang Murphy Soika and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Contrast agents (CAs) are small molecules used in magnetic resonance imaging (MRI) to help diagnose various forms of cancer. While MRI is advantageous over other clinical imaging techniques, limitations of today’s contrast agents containing gadolinium (Gd) hinder their safety, sensitivity, and specificity. The conventional CAs that MRI relies on are considered low-relaxivity and are not optimally effective at enhancing MR signal. Additionally, they lack cell-specificity and circulate throughout the body. Furthermore, unbound Gd3+ is nephrogenic which prevents its use in patients with impaired renal function. In the clinic, these limitations mean high dosages of these compounds must be administered to patients in order to produce an image that struggles to highlight the exact tumor location. Our aim was to improve conventional CAs by synthesizing a high-relaxivity (HR) targeted contrast agent (HR-TCA). The cell-specific nature of the HR-TCA will allow for its accumulation at tumor sites while the HR will produce a stronger MR signal per molecule of CA. Combined, this means a much lower and therefore safer dose of CA can be used to produce an image of the exact tumor location with superior contrast. Our modular approach allows us to easily combine this HR contrast agent (HR-CA) to any targeting peptide using a linker in a convergent, one-step synthesis. Our synthetic approach for the HR-CA module attaches a macrocyclic chelator, DO3A, to the side chain of an orthogonally protected alanine. This is a modification to the approach published by Boros in which t-butyl groups were utilized to protect DO3A. In our modular approach, Gd is chelated early to protect the acetic acid donor arms of DO3A from participating in unwanted side reactions for the remainder of the synthesis, eliminating any need to expose the final HR-TCA to the harsh acidic conditions of TFA that are necessary to remove t-butyl protecting groups. Upon removal of the N- and C-terminal protecting groups, the HR-CA module is coupled directly to our in-house synthesized targeting module which is comprised of the targeting agent (DCL) and linker (DSS) already attached to afford the final HR- TCA. T1 relaxation measurements of relevant intermediates and the final product were performed to compare their relaxivities with those of commercial CAs used in clinics, labs, and hospitals today. Although the HR-CA and final HR-TCA exhibited only a modest increase in T1 relaxivity compared to commercial CA Gd-DOTA, in a striking discovery it was observed that the presence of both a tryptophan spacer and an Fmoc protecting group boosted the T1 relaxivity significantly."--Abstract.
Book Synopsis Small Animal Imaging by : Fabian Kiessling
Download or read book Small Animal Imaging written by Fabian Kiessling and published by Springer. This book was released on 2017-05-22 with total page 871 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook is a practical guide to the use of small animal imaging in preclinical research that will assist in the choice of imaging modality and contrast agent and in study design, experimental setup, and data evaluation. All established imaging modalities are discussed in detail, with the assistance of numerous informative illustrations. While the focus of the new edition remains on practical basics, it has been updated to encompass a variety of emerging imaging modalities, methods, and applications. Additional useful hints are also supplied on the installation of a small animal unit, study planning, animal handling, and cost-effective performance of small animal imaging. Cross-calibration methods and data postprocessing are considered in depth. This new edition of Small Animal Imaging will be an invaluable aid for researchers, students, and technicians involved in research into and applications of small animal imaging.
Download or read book Smart Nano and Microparticles written by and published by . This book was released on 2006 with total page 417 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pathogenesis of Shigellosis by : P.J. Sansonetti
Download or read book Pathogenesis of Shigellosis written by P.J. Sansonetti and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 151 pages. Available in PDF, EPUB and Kindle. Book excerpt: Shigellosis is present all over the world. Anyone traveling in developing countries knows that the control of this invasive disease of the intestine is a priority task for physicians and public health authorities. Victims are essentially young children, and complications such as the hemolytic uremic syndrome make shigellosis a systemic disease rather than simply an infection of the colonic mucosa. However, "Westerners" should not consider shigeJlosis as an unlikely threat of the tropics. The disease arises in industrialized countries as soon as breaches in sanitation appear. A few months ago, at least 500 people developed shigellosis in northern France in an outbreak of Shigella sonnei infection due to accidental contamination of an urban water delivery system. The pathogenesis of shigellosis is an extraordinary topic of research because study of the invasion of the colonic mucosa addresses fundamental questions on. the molecular and cellular mechanisms by which a bacterial pathogen can pene trate non phagocytic cells, survive, multiply, spread in the intra cellular compartment, and eventually kill host cells. Further development of the infection within subepithelial tissues as well as the mechanisms that contribute to the eradication of this process have barely been studied.
Book Synopsis Nanotechnology Characterization Tools for Tissue Engineering and Medical Therapy by : Challa S.S.R. Kumar
Download or read book Nanotechnology Characterization Tools for Tissue Engineering and Medical Therapy written by Challa S.S.R. Kumar and published by Springer Nature. This book was released on 2019-11-22 with total page 467 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ninth volume of a 40 volume series on nanoscience and nanotechnology, edited by the renowned scientist Challa S.S.R. Kumar. This handbook gives a comprehensive overview about Nanotechnology Characterization Tools for Tissue Engineering and Medical Therapy. Modern applications and state-of-the-art techniques are covered and make this volume an essential reading for research scientists in academia and industry.
Book Synopsis The Chemistry of Contrast Agents in Medical Magnetic Resonance Imaging by : Andre S. Merbach
Download or read book The Chemistry of Contrast Agents in Medical Magnetic Resonance Imaging written by Andre S. Merbach and published by John Wiley & Sons. This book was released on 2013-02-19 with total page 514 pages. Available in PDF, EPUB and Kindle. Book excerpt: Magnetic Resonance Imaging (MRI) is one of the most important tools in clinical diagnostics and biomedical research. The number of MRI scanners operating around the world is estimated to be approximately 20,000, and the development of contrast agents, currently used in about a third of the 50 million clinical MRI examinations performed every year, has largely contributed to this significant achievement. This completely revised and extended second edition: Includes new chapters on targeted, responsive, PARACEST and nanoparticle MRI contrast agents. Covers the basic chemistries, MR physics and the most important techniques used by chemists in the characterization of MRI agents from every angle from synthesis to safety considerations. Is written for all of those involved in the development and application of contrast agents in MRI. Presented in colour, it provides readers with true representation and easy interpretation of the images. A word from the Authors: Twelve years after the first edition published, we are convinced that the chemistry of MRI agents has a bright future. By assembling all important information on the design principles and functioning of magnetic resonance imaging probes, this book intends to be a useful tool for both experts and newcomers in the field. We hope that it helps inspire further work in order to create more efficient and specific imaging probes that will allow materializing the dream of seeing even deeper and better inside the living organisms. Reviews of the First Edition: "...attempts, for the first time, to review the whole spectrum of involved chemical disciplines in this technique..."—Journal of the American Chemical Society "...well balanced in its scope and attention to detail...a valuable addition to the library of MR scientists..."—NMR in Biomedicine
Download or read book Clinical MR Imaging written by P. Reimer and published by Springer Science & Business Media. This book was released on 2006-05-11 with total page 604 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers practical guidelines for performing efficient and cost-effective MRI examinations. By adopting a practical protocol-based approach the work-flow in a MRI unit can be streamlined and optimized. All chapters have been thoroughly reviewed, and new techniques and figures are included. There is a new chapter on MRI of the chest. This book will help beginners to implement the protocols and will update the knowledge of more experienced users.
Book Synopsis Lanthanide Luminescence by : Pekka Hänninen
Download or read book Lanthanide Luminescence written by Pekka Hänninen and published by Springer Science & Business Media. This book was released on 2011-06-21 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lanthanides have fascinated scientists for more than two centuries now, and since efficient separation techniques were established roughly 50 years ago, they have increasingly found their way into industrial exploitation and our everyday lives. Numerous applications are based on their unique luminescent properties, which are highlighted in this volume. It presents established knowledge about the photophysical basics, relevant lanthanide probes or materials, and describes instrumentation-related aspects including chemical and physical sensors. The uses of lanthanides in bioanalysis and medicine are outlined, such as assays for in vitro diagnostics and research. All chapters were compiled by renowned scientists with a broad audience in mind, providing both beginners in the field and advanced researchers with comprehensive information on on the given subject.
Book Synopsis Targeted Molecular Imaging by : Michael J. Welch
Download or read book Targeted Molecular Imaging written by Michael J. Welch and published by Taylor & Francis. This book was released on 2012-02-24 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt: Targeted Molecular Imaging covers the development of novel diagnostic approaches that use an imaging probe and agent to noninvasively visualize cellular processes in normal and disease states. It discusses the concept, development, preclinical studies, and, in many cases, translation to the clinic of targeted imaging agents. The many case studies t
Book Synopsis Future Trends For Top Materials by : Mário J. F. Calvete
Download or read book Future Trends For Top Materials written by Mário J. F. Calvete and published by Bentham Science Publishers. This book was released on 2016-01-07 with total page 572 pages. Available in PDF, EPUB and Kindle. Book excerpt: This reference focuses on defined types of compounds which are of interest to readers who are motivated to explore basic information about new materials for advanced industrial applications. General and established synthetic methodologies for several compounds are explained giving a straightforward approaches for researchers who intend to pursue new projects in materials sciences, This book presents 9 chapters, covering phthalocyanines, polymethines, porphyrins, BODIPYs, dendrimers, carbon allotropes, organic frameworks, nanoparticles and future prospects. Each chapter covers detailed synthetic aspects of the most established preparation routes for the specific compounds, while giving a historical perspective, with selective information on actual and outstanding applications of each material, unraveling what likely might be the future for each category. This book is intended as a hands-on reference guide for undergraduates and graduates interested in industrial chemistry and materials science.
Book Synopsis Process Engineering for Pollution Control and Waste Minimization by : Donald L. Wise
Download or read book Process Engineering for Pollution Control and Waste Minimization written by Donald L. Wise and published by CRC Press. This book was released on 1994-02-15 with total page 750 pages. Available in PDF, EPUB and Kindle. Book excerpt: Offers up-to-date technical information on current and potential pollution control and waste minimization practices, providing industry-specific case studies, techniques and models.
Book Synopsis Contrast Media by : Henrik S. Thomsen
Download or read book Contrast Media written by Henrik S. Thomsen and published by Springer Science & Business Media. This book was released on 2014-01-10 with total page 267 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the third edition of a very successful book that originally emerged from the work of a committee set up by the European Society of Urogenital Radiology in 1994 to consider the safety of contrast media used for diagnostic imaging. The new edition not only fully updates the previous edition, but also includes new chapters on complex topics such as pediatric issues and practical aspects of off-label contrast media use. Comprehensive consideration is given to the many different safety issues relating to iodine-based contrast media, gadolinium-based contrast media, microbubbles for ultrasound, and barium sulfate. The text includes chapters on both acute and delayed non-renal adverse reactions and on renal adverse reactions. All of the questions frequently raised in radiological practice are addressed. This book, presented in a handy, easy-to-use format, provides an invaluable, unique, and unparalleled source of information.
Book Synopsis Nuclear Oncology by : Cumali Aktolun
Download or read book Nuclear Oncology written by Cumali Aktolun and published by Lippincott Williams & Wilkins. This book was released on 2014-09-04 with total page 1964 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nuclear Oncology a contemporary narrative of the role of nuclear medicine in oncology with an emphasis on SPECT/CT and PET/CT with additional comments when appropriate on the potential application of PET/MR and to a lesser degree, targeted radionuclide therapy. This book focuses on the use of radionuclides in the diagnosis and treatment of malignant diseases. It describes relevant approved and investigational clinical applications, instrumentation & technology, chemistry and practical clinical issues in nuclear oncology. The basic science and current research topics of nuclear oncology are addressed in separate chapters. Nuclear medicine has become an essential component to all phases of the management of the patient with a malignant tumor and in some cases, even benign neoplasms. The standard of practice for many tumors requires PET/CT imaging at various stages of diagnosis and management. In addition to clinical applications, ongoing investigational efforts, which more and more involve multi-institutional protocols, are also presented. Features: • Focuses on the use of radionuclides in the diagnosis and treatment of malignant diseases • Emphasizes SPECT/CT and PET/CT with additional emphasis on the potential application of PET/MR • Describes relevant approved and investigational clinical applications, instrumentation & technology, chemistry and practical clinical issues in nuclear oncology
Book Synopsis Chemistry of Polymeric Metal Chelates by : Gulzhian I. Dzhardimalieva
Download or read book Chemistry of Polymeric Metal Chelates written by Gulzhian I. Dzhardimalieva and published by Springer. This book was released on 2018-02-13 with total page 1036 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book deals with the chemistry of polymeric metal chelates. The main results and the production and chemical structure of polymers with chelate units as well as the specificity of metal complex binding of different structure are presented here. This book also reveals the transformations which components undergo in the course of chelation. Special attention is paid not only to synthetic but also to natural (including living) systems. The usage of polymeric metal chelates and their development are examined. The related research was performed for chelates with chain structure. This book is useful to researchers being active in synthesis and design of macromolecular metal chelates
Book Synopsis Molecular Imaging by : Ralph Weissleder
Download or read book Molecular Imaging written by Ralph Weissleder and published by PMPH-USA. This book was released on 2010 with total page 1384 pages. Available in PDF, EPUB and Kindle. Book excerpt: The field of molecular imaging of living subjects have evolved considerably and have seen spectacular advances in chemistry, engineering and biomedical applications. This textbook was designed to fill the need for an authoritative source for this multi-disciplinary field. We have been fortunate to recruit over 80 leading authors contributing 75 individual chapters. Given the multidisciplinary nature of the field, the book is broken into six different sections: "Molecular Imaging technologies", "Chemistry", "Molecular Imaging in Cell and Molecular Biology", "Applications of Molecular Imaging", "Molecular Imaging in Drug Evaluation" with the final section comprised of chapters on computation, bioinformatics and modeling. The organization of this large amount of information is logical and strives to avoid redundancies among chapters. It encourages the use of figures to illustrate concepts and to provide numerous molecular imaging examples.
Book Synopsis DICOM Structured Reporting by : David A. Clunie
Download or read book DICOM Structured Reporting written by David A. Clunie and published by PixelMed Publishing. This book was released on 2000 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Molecular Imaging Primer by : Sanjiv Sam Gambhir
Download or read book Molecular Imaging Primer written by Sanjiv Sam Gambhir and published by . This book was released on 2015 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
