Cryotechniques in Biological Electron Microscopy PDF Download
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Author: Rudolf A. Steinbrecht
Publisher: Springer Science & Business Media
ISBN: 3642728154
Category : Science
Languages : en
Pages : 308
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Book Description
To preserve tissue by freezing is an ancient concept going back pre sumably to the practice of ice-age hunters. At first glance, it seems as simple as it is attractive: the dynamics of life are frozen in, nothing is added and nothing withdrawn except thermal energy. Thus, the result should be more life-like than after poisoning, tan ning and drying a living cell as we may rudely call the conventional preparation of specimens for electron microscopy. Countless mishaps, however, have taught electron microscopists that cryotechniques too are neither simple nor necessarily more life-like in their outcome. Not too long ago, experts in cryotechniques strictly denied that a cell could truly be vitrified, i.e. that all the solutes and macro molecules could be fixed within non-crystalline, glass-like solid water without the dramatic shifts and segregation effects caused by crystallization. We now know that vitrification is indeed pos sible. Growing insight into the fundamentals of the physics of water and ice, as well as increasing experience of how to cool cells rapidly enough have enlivened the interest in cryofixation and pro duced a wealth of successful applications.
Author: Rudolf A. Steinbrecht
Publisher: Springer Science & Business Media
ISBN: 3642728154
Category : Science
Languages : en
Pages : 308
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Book Description
To preserve tissue by freezing is an ancient concept going back pre sumably to the practice of ice-age hunters. At first glance, it seems as simple as it is attractive: the dynamics of life are frozen in, nothing is added and nothing withdrawn except thermal energy. Thus, the result should be more life-like than after poisoning, tan ning and drying a living cell as we may rudely call the conventional preparation of specimens for electron microscopy. Countless mishaps, however, have taught electron microscopists that cryotechniques too are neither simple nor necessarily more life-like in their outcome. Not too long ago, experts in cryotechniques strictly denied that a cell could truly be vitrified, i.e. that all the solutes and macro molecules could be fixed within non-crystalline, glass-like solid water without the dramatic shifts and segregation effects caused by crystallization. We now know that vitrification is indeed pos sible. Growing insight into the fundamentals of the physics of water and ice, as well as increasing experience of how to cool cells rapidly enough have enlivened the interest in cryofixation and pro duced a wealth of successful applications.
Author: Michael J. Dykstra
Publisher: Springer Science & Business Media
ISBN: 146840010X
Category : Science
Languages : en
Pages : 368
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Book Description
In this practical text, the author covers the fundamentals of biological electron microscopy - including fixation, instrumentation, and darkroom work - to provide an excellent introduction to the subject for the advanced undergraduate or graduate student.
Author: J.K. Koehler
Publisher: Springer Science & Business Media
ISBN: 3642654924
Category : Science
Languages : en
Pages : 319
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Book Description
The past decade has seen a remarkable increase in the use of electron microscopy as a researm tool in biology and medicine. Thus, most institu tions of higher learning now boast several electron optical laboratories having various levels of sophistication. Training in the routine use of elec tron optical equipment and interpretation of results is no longer restricted to a few prestigious centers. On the other hand, temniques utilized by researm workers in the ultrastructural domain have become extremely diverse and complex. Although a large number of quite excellent volumes of electron microscopic temnique are now dedicated to the basic elements available whim allow the novice to acquire a reasonable introduction to the field, relatively few books have been devoted to a discussion of more ad vanced temnical aspects of the art. It was with this view that the present volume was conceived as a handy reference for workers already having some background in the field, as an information source for those wishing to shift efforts into more promising temniques, or for use as an advanced course or seminar guide. Subject matter has been mosen particularly on the basis of pertinence to present researm activities in biological electron microscopy and emphasis has been given those areas whim seem destined to greatly expand in useful ness in the near future.
Author: M. A. Nasser Hajibagheri
Publisher: Springer Science & Business Media
ISBN: 1592592015
Category : Science
Languages : en
Pages : 292
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Book Description
Electron Microscopy Methods and Protocols is designed for the established researcher as a manual for extending knowledge of the field. It is also for the newcomer who wishes to move into the field. A wide range of applications for the examination of cells, tissues, biological macromolecules, molecular structures, and their interactions are discussed. We have tried to gather together methods that we consider to be those most generally appli- ble to current research in both cell and molecular biology. Each chapter c- tains a set of related practical protocols with examples provided by experts who have first-hand knowledge of the techniques they describe. The individual chapters are grouped according to similarities in their specimen preparation and methodology. Methods are presented in detail, in a step-by-step fashion, using reproducible protocols the authors have personally checked. During the last decade, the scientific literature describing the use of colloidal gold as an immunocytochemical marker has increased at an ex- nential rate, and this trend is expected to continue. We have included a large number of variations on the immunogold labeling technique. In both the ne- tive staining and cryo chapters, authors emphasize the “immunological app- cations” in order to correlate as fully as possible with the emphasis on immunogold labeling in the other chapters. Electron Microscopy Methods and Protocols commences with the routine preparation of biological material for classical transmission electron microscopy involving tissue fixation, embedding, and sectioning (Chap. 1).
Author: D.F. Parsons
Publisher: Elsevier
ISBN: 0323160352
Category : Nature
Languages : en
Pages : 199
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Book Description
Some Biological Techniques in Electron Microscopy discusses the problems that hinder or prevent progress in biological electron microscopy. This book explores the great potential of electron microscope for solving several pressing medical and biological research problems. Organized into five chapters, this book starts with an overview of the primary goal of biological electron microscopy, which is the visualization of atoms in biological molecules and structures. This text proceeds with a discussion of the freezing methods of electron microscopy in which some of the artifacts producing steps of environmental techniques are eliminated. Other chapters consider the objective of electron microscopy to resolve successively small objects, in the limiting instance, single atoms in amorphous structures. The final chapter deals with processing tissues for electron microscopy wherein temperature, agitation, pressure, and humidity can be controlled throughout the operation. Biologists, biophysicists, physicists, electron microscopists, and medical researchers will find this book extremely useful.
Author: Roland A. Fleck
Publisher: John Wiley & Sons
ISBN: 1118654064
Category : Science
Languages : en
Pages : 741
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Book Description
The go‐to resource for microscopists on biological applications of field emission gun scanning electron microscopy (FEGSEM) The evolution of scanning electron microscopy technologies and capability over the past few years has revolutionized the biological imaging capabilities of the microscope—giving it the capability to examine surface structures of cellular membranes to reveal the organization of individual proteins across a membrane bilayer and the arrangement of cell cytoskeleton at a nm scale. Most notable are their improvements for field emission scanning electron microscopy (FEGSEM), which when combined with cryo-preparation techniques, has provided insight into a wide range of biological questions including the functionality of bacteria and viruses. This full-colour, must-have book for microscopists traces the development of the biological field emission scanning electron microscopy (FEGSEM) and highlights its current value in biological research as well as its future worth. Biological Field Emission Scanning Electron Microscopy highlights the present capability of the technique and informs the wider biological science community of its application in basic biological research. Starting with the theory and history of FEGSEM, the book offers chapters covering: operation (strengths and weakness, sample selection, handling, limitations, and preparation); Commercial developments and principals from the major FEGSEM manufacturers (Thermo Scientific, JEOL, HITACHI, ZEISS, Tescan); technical developments essential to bioFEGSEM; cryobio FEGSEM; cryo-FIB; FEGSEM digital-tomography; array tomography; public health research; mammalian cells and tissues; digital challenges (image collection, storage, and automated data analysis); and more. Examines the creation of the biological field emission gun scanning electron microscopy (FEGSEM) and discusses its benefits to the biological research community and future value Provides insight into the design and development philosophy behind current instrument manufacturers Covers sample handling, applications, and key supporting techniques Focuses on the biological applications of field emission gun scanning electron microscopy (FEGSEM), covering both plant and animal research Presented in full colour An important part of the Wiley-Royal Microscopical Series, Biological Field Emission Scanning Electron Microscopy is an ideal general resource for experienced academic and industrial users of electron microscopy—specifically, those with a need to understand the application, limitations, and strengths of FEGSEM.
Author: James K. Koehler
Publisher:
ISBN:
Category : Electron microscopy
Languages : en
Pages : 304
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Book Description
Author: Norbert Roos
Publisher: Oxford University Press, USA
ISBN:
Category : Science
Languages : en
Pages : 116
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Book Description
Cryotechniques offer a number of advantages over conventional electron microscopy methods in biology, particularly with regard to preserving the morphology and composition of specimens. This handbook provides a practical guide for researchers, students, and technicians who wish to employ cryotechniques in their work. It covers those methods where the cryofixed specimen is sectioned or otherwise presented as a thin film for examination, giving special attention to topics of current interest. This guide will be of use to workers in a variety of biomedical disciplines, including cell biology, molecular biology, bacteriology, and pathology.
Author: James K. Koehler
Publisher:
ISBN:
Category : Biology
Languages : en
Pages :
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Book Description
Author: J. K. Koehler
Publisher: Springer Science & Business Media
ISBN: 3642668097
Category : Science
Languages : en
Pages : 253
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Book Description
The use of the term "advanced" in the title of this book is somewhat ar bitrary and very much relative with respect to time. Many techniques which were considered at the "cutting edge" of ultrastructural methodology just a few years ago are now rou tin ely used in numerous laboratories. One could cite freeze-fracture, cryothin sectioning, or indeed most of the field of scan ning electron microscopy as concrete examples. Thus the use of the term "ad vanced techniques" must be interpreted with regard to the present state of the art, and is useful only in informing the potential reader that this volume is not a primer to be used as an initial introduction into basic biological elec tron microscopy. Many excellent volumes have filled that niche in the past few years, and it is not intended that this modest book be a complete com pendium of the field. Furthermore, any limited selection of papers on advanc ed techniques necessarily reflects the preferences and arbitrary whims of the editor, thereby excluding many equally important procedures which the knowledgeable reader will readily identify. The first volume of this series appeared approximately five years ago and illustrated techniques which were thought to represent advanced and yet ba sically morphological methods for gaining increased ultrastructural informa tion from biological specimens. The present volume, on the other hand, stresses techniques which provide specific physicochemical data on the speci mens in addition to the structural information.
