Viral Vector Design and Lensless Imaging for Neural Tracing PDF Download
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Author: Shuyang Zhang
Publisher:
ISBN:
Category :
Languages : en
Pages : 51
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Book Description
Neuronal tracing methods are essential tools to understand the fundamental architecture of the neural circuits and their connection to the overall functional behavior of the brain. Various viral vectors have been developed to achieve cell-type specific and directional specific labeling of the neuronal connections. The incorporation of the viral tracers with optogenetics techniques can further provide precise control over the viral propagation. Herein, a novel approach to guide the infectious pattern of the Rabies Virus (RV) retrograde tracer with light is described. The key concept is to use Baculovirus (BV) as a helper virus to deliver all the functional components prior to the rabies infection. These functional components include the optogenetic tool parts, a fluorescent CRE reporter to mark RV infected cells, and other genes necessary for RV spread. GoldenGate DNA assembly method was used to efficiently construct three large BV expression cassettes in bacteria plasmids that can be transposed into the baculovirus genome in a single TN7 transposon recombination step. The actual imaging of BV and RV infected cells and stimulation of optogenetics tools for the spread of RV can be achieved with CMOS sensor and OLED display panels. By integrating these commercially available electronics with proper microcontrollers, a synchronized communication protocol for optogenetic stimulation, image capturing, and file transferring was established in a lensless imaging setup. The OLED and CMOS sensor's large field of view and low cost allows this tracing method to scale many orders of magnitude greater than using microscopy-based methods.
Author: Shuyang Zhang
Publisher:
ISBN:
Category :
Languages : en
Pages : 51
Get Book Here
Book Description
Neuronal tracing methods are essential tools to understand the fundamental architecture of the neural circuits and their connection to the overall functional behavior of the brain. Various viral vectors have been developed to achieve cell-type specific and directional specific labeling of the neuronal connections. The incorporation of the viral tracers with optogenetics techniques can further provide precise control over the viral propagation. Herein, a novel approach to guide the infectious pattern of the Rabies Virus (RV) retrograde tracer with light is described. The key concept is to use Baculovirus (BV) as a helper virus to deliver all the functional components prior to the rabies infection. These functional components include the optogenetic tool parts, a fluorescent CRE reporter to mark RV infected cells, and other genes necessary for RV spread. GoldenGate DNA assembly method was used to efficiently construct three large BV expression cassettes in bacteria plasmids that can be transposed into the baculovirus genome in a single TN7 transposon recombination step. The actual imaging of BV and RV infected cells and stimulation of optogenetics tools for the spread of RV can be achieved with CMOS sensor and OLED display panels. By integrating these commercially available electronics with proper microcontrollers, a synchronized communication protocol for optogenetic stimulation, image capturing, and file transferring was established in a lensless imaging setup. The OLED and CMOS sensor's large field of view and low cost allows this tracing method to scale many orders of magnitude greater than using microscopy-based methods.
Author: National Research Council
Publisher: National Academies Press
ISBN: 030916463X
Category : Science
Languages : en
Pages : 222
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Book Description
Scientists and engineers have long relied on the power of imaging techniques to help see objects invisible to the naked eye, and thus, to advance scientific knowledge. These experts are constantly pushing the limits of technology in pursuit of chemical imagingâ€"the ability to visualize molecular structures and chemical composition in time and space as actual events unfoldâ€"from the smallest dimension of a biological system to the widest expanse of a distant galaxy. Chemical imaging has a variety of applications for almost every facet of our daily lives, ranging from medical diagnosis and treatment to the study and design of material properties in new products. In addition to highlighting advances in chemical imaging that could have the greatest impact on critical problems in science and technology, Visualizing Chemistry reviews the current state of chemical imaging technology, identifies promising future developments and their applications, and suggests a research and educational agenda to enable breakthrough improvements.
Author: U. S. Department Justice
Publisher: Createspace Independent Publishing Platform
ISBN: 9781500674151
Category :
Languages : en
Pages : 0
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Book Description
The idea of The Fingerprint Sourcebook originated during a meeting in April 2002. Individuals representing the fingerprint, academic, and scientific communities met in Chicago, Illinois, for a day and a half to discuss the state of fingerprint identification with a view toward the challenges raised by Daubert issues. The meeting was a joint project between the International Association for Identification (IAI) and West Virginia University (WVU). One recommendation that came out of that meeting was a suggestion to create a sourcebook for friction ridge examiners, that is, a single source of researched information regarding the subject. This sourcebook would provide educational, training, and research information for the international scientific community.
Author: Natasha S. Barteneva
Publisher: Humana
ISBN: 9781493933006
Category : Medical
Languages : en
Pages : 0
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Book Description
This detailed volume for the first time explores techniques and protocols involving quantitative imaging flow cytometry (IFC), which has revolutionized our ability to analyze cells, cellular clusters, and populations in a remarkable fashion. Beginning with an introduction to technology, the book continues with sections addressing protocols for studies on the cell nucleus, nucleic acids, and FISH techniques using an IFC instrument, immune response analysis and drug screening, IFC protocols for apoptosis and cell death analysis, as well as morphological analysis and the identification of rare cells. Written for the highly successful Methods in Molecular Biology series, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and tips on troubleshooting and avoiding known pitfalls. Authoritative and practical, Imaging Flow Cytometry: Methods and Protocols will be a critical source for all laboratories seeking to implement IFC in their research studies.
Author: Rafael Yuste
Publisher:
ISBN:
Category : Medical
Languages : en
Pages : 848
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Book Description
In the past decade, advances in microscopy have been coupled with new methods of culturing and labeling cells to generate the new science of imaging. Imaging technologies allow investigators to look directly inside living cells and probe their form and function in unprecedented detail. This approach is revolutionizing many aspects of biomedical research, particularly neuroscience, in which visual techniques have traditionally been so important. This manual is the first comprehensive description of the range of imaging technologies being applied to living cells. With its origins in a laboratory course taught at Cold Spring Harbor Laboratory by the editors and contributors, it is packed with the kind of technical detail and practical advice that are essential for success, yet seldom found in the research literature. It covers both established methods and cutting-edge techniques such as multiphoton excitation microscopy and imaging of genetically engineered probes. Although it is neurons to which these technologies are most commonly applied, the methods described are readily adaptable to many other cell types. This book will therefore be an invaluable aid to investigators in cell and developmental biology and immunology as well as neuroscience who wish to take advantage of the extraordinary insights into cellular function offered by imaging technologies.
Author: Yong Zeng
Publisher: MDPI
ISBN: 3039215949
Category : Technology & Engineering
Languages : en
Pages : 138
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Book Description
Bionanoparticles such as microorganisms and exosomes are recoganized as important targets for clinical applications, food safety, and environmental monitoring. Other nanoscale biological particles, includeing liposomes, micelles, and functionalized polymeric particles are widely used in nanomedicines. The recent deveopment of microfluidic and nanofluidic technologies has enabled the separation and anslysis of these species in a lab-on-a-chip platform, while there are still many challenges to address before these analytical tools can be adopted in practice. For example, the complex matrices within which these species reside in create a high background for their detection. Their small dimension and often low concentration demand creative strategies to amplify the sensing signal and enhance the detection speed. This Special Issue aims to recruit recent discoveries and developments of micro- and nanofluidic strategies for the processing and analysis of biological nanoparticles. The collection of papers will hopefully bring out more innovative ideas and fundamental insights to overcome the hurdles faced in the separation and detection of bionanoparticles.
Author: Gene Youngblood
Publisher: Fordham University Press
ISBN: 0823287432
Category : Art
Languages : en
Pages : 464
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Book Description
Fiftieth anniversary reissue of the founding media studies book that helped establish media art as a cultural category. First published in 1970, Gene Youngblood’s influential Expanded Cinema was the first serious treatment of video, computers, and holography as cinematic technologies. Long considered the bible for media artists, Youngblood’s insider account of 1960s counterculture and the birth of cybernetics remains a mainstay reference in today’s hypermediated digital world. This fiftieth anniversary edition includes a new Introduction by the author that offers conceptual tools for understanding the sociocultural and sociopolitical realities of our present world. A unique eyewitness account of burgeoning experimental film and the birth of video art in the late 1960s, this far- ranging study traces the evolution of cinematic language to the end of fiction, drama, and realism. Vast in scope, its prescient formulations include “the paleocybernetic age,” “intermedia,” the “artist as design scientist,” the “artist as ecologist,” “synaesthetics and kinesthetics,” and “the technosphere: man/machine symbiosis.” Outstanding works are analyzed in detail. Methods of production are meticulously described, including interviews with artists and technologists of the period, such as Nam June Paik, Jordan Belson, Andy Warhol, Stan Brakhage, Carolee Schneemann, Stan VanDerBeek, Les Levine, and Frank Gillette. An inspiring Introduction by the celebrated polymath and designer R. Buckminster Fuller—a perfectly cut gem of countercultural thinking in itself—places Youngblood’s radical observations in comprehensive perspective. Providing an unparalleled historical documentation, Expanded Cinema clarifies a chapter of countercultural history that is still not fully represented in the arthistorical record half a century later. The book will also inspire the current generation of artists working in ever-newer expansions of the cinematic environment and will prove invaluable to all who are concerned with the technologies that are reshaping the nature of human communication.
Author: Andrea Cusano
Publisher: Springer
ISBN: 3319069985
Category : Science
Languages : en
Pages : 377
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Book Description
This book focuses on a research field that is rapidly emerging as one of the most promising ones for the global optics and photonics community: the “lab-on-fiber” technology. Inspired by the well-established "lab on-a-chip" concept, this new technology essentially envisages novel and highly functionalized devices completely integrated into a single optical fiber for both communication and sensing applications. Based on the R&D experience of some of the world's leading authorities in the fields of optics, photonics, nanotechnology, and material science, this book provides a broad and accurate description of the main developments and achievements in the lab-on-fiber technology roadmap, also highlighting the new perspectives and challenges to be faced. This book is essential for scientists interested in the cutting-edge fiber optic technology, but also for graduate students.
Author: James D. Reynolds
Publisher: Springer Science & Business Media
ISBN: 3642120415
Category : Medical
Languages : en
Pages : 459
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Book Description
Pediatric retinal diseases are not simply retinal diseases that occur in children; rather, they are unique disorders that often are not found in adults. This textbook of the pediatric retina offers in-depth guidance on congenital and acquired diseases of the retina in the pediatric population. It is organized according to disease onset and timing, as well as anatomy. All chapters are written by leading authorities in the field from both the pediatric and the retinal perspective. A multidisciplinary approach to the topic is adopted, and critical information is included on disease classification and diagnosis, pathophysiology, genetics, complications, and prognosis. Pediatric Retina will be a useful source of information for pediatric ophthalmologists, retina specialists, and other eye care providers who care for children.
Author: Wonhee Lee
Publisher: Springer
ISBN: 3319441396
Category : Technology & Engineering
Languages : en
Pages : 287
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Book Description
This book delves into the recent developments in the microscale and microfluidic technologies that allow manipulation at the single and cell aggregate level. Expert authors review the dominant mechanisms that manipulate and sort biological structures, making this a state-of-the-art overview of conventional cell sorting techniques, the principles of microfluidics, and of microfluidic devices. All chapters highlight the benefits and drawbacks of each technique they discuss, which include magnetic, electrical, optical, acoustic, gravity/sedimentation, inertial, deformability, and aqueous two-phase systems as the dominant mechanisms utilized by microfluidic devices to handle biological samples. Each chapter explains the physics of the mechanism at work, and reviews common geometries and devices to help readers decide the type of style of device required for various applications. This book is appropriate for graduate-level biomedical engineering and analytical chemistry students, as well as engineers and scientists working in the biotechnology industry.
