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| Author | : W. Baumeister |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 365 |
| Release | : 2012-12-06 |
| Genre | : Science |
| ISBN | : 364267688X |
Download Electron Microscopy at Molecular Dimensions Book in PDF, ePub and Kindle
If, ten years ago, one had been asked to comment on the prospects of peering into the fmest details of biomolecular organization, most electron microscopists would, I suppose at least, have been quite en thusiastic. When, during the early seventies, several groups were success ful in visualizing single heavy atoms, which undoubtedly was a techni cal triumph, this prompted the most sanguine expectations among bi ologists. In the following years, however, it began to transpire that radiation damage might impose limitations preventing us from taking full advantage of these exciting instrumental feasibilities. Fortunately, the radiation damage nightmare did no paralyze further activities, and it was in particular the work on the purple membrane which, brilliant ly exploiting the redundancy stratagem, revealed exhilarating new perspectives. Now, almost five years later, it seemed timely and appro priate to organize an international symposium to discuss and weight recent activities and current trends in "molecular microscopy". In planning this symposium, we selected topics according to our view of what is important or will deserve more attention in the near future. Taking into consideration suggestions made by the invited participants, some supplementary aspects were included; as a conse quence, the program developed somewhat beyond the scope as adum brated by the original title of this meeting (Regular 2-D Arrays of Biomacromolecules: Structure Determination and Assembly). As the meeting was organized, we had three morning sessions aimed at reflecting the "State ofthe Art".
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| ISBN | : 9780387101316 |
Download Electron Microscopy at Molecular Dimensions Book in PDF, ePub and Kindle
| Author | : W. Hoppe |
| Publisher | : Springer-Verlag |
| Total Pages | : 227 |
| Release | : 2013-07-02 |
| Genre | : Science |
| ISBN | : 332286362X |
Download Unconventional Electron Microscopy for Molecular Structure Determination Book in PDF, ePub and Kindle
Generally it is not sufficiently appreciated that electron microscopy is in fact a diffraction method. In essential aspects electron microscopes are more closely related to X-ray diffracto· meters than to light microscopes. In electron microscopes monochromatized radiation and coherent illumination (never used in light microscopy) correspond in X-ray diffractometers to the primary beam with a small divergence. Imaging ina general sense can take place in interference experiments between a primary beam and a scattered beam, or between diffe rent deflected scattered beams. This leads to the realization of an old dream in diffracto metry, namely to a general experimental solution of the "phase problem". The most im pressive analogy, however, concerns the potential of the electron microscope as a tool for structure determination (where the radiation wavelenght is smaller than the atomic distan ces). It was therefore considered timely to treat this topic in this series. It was a fortunate cioncidence that in 1976 a Workshop on "Unconventional Electron Microscope Methods for the Investigation of Molecular Structures" (sponsored by the European Molecular Biology Organisation, the Deutsche Forschungsgemeinschaft and the Max-Planck-Gesell schaft) took place, and that most speakers presenting introductory lectures agreed to publish their contributions in an expanded version in this volume. This volume is thus not a symposium report in the usual sense since it contains the majority of these introductory lectures only.
| Author | : Noel Edward Flower |
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| Total Pages | : |
| Release | : 1967 |
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| ISBN | : |
Download Electron Microscope Studies on the Molecular Dimensions of Some Insect Secreted Fibrous Proteins Book in PDF, ePub and Kindle
| Author | : M. A. Nasser Hajibagheri |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 292 |
| Release | : 2008-02-02 |
| Genre | : Science |
| ISBN | : 1592592015 |
Download Electron Microscopy Methods and Protocols Book in PDF, ePub and Kindle
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 | : Joachim Frank |
| Publisher | : Oxford University Press |
| Total Pages | : 427 |
| Release | : 2006-02-02 |
| Genre | : Science |
| ISBN | : 0198034385 |
Download Three-Dimensional Electron Microscopy of Macromolecular Assemblies Book in PDF, ePub and Kindle
Cryoelectron microscopy of biological molecules is among the hottest growth areas in biophysics and structural biology at present, and Frank is arguably the most distinguished practitioner of this art. CryoEM is likely over the next few years to take over much of the structural approaches currently requiring X-ray crystallography, because one can now get good and finely detailed images of single molecules down to as little as 200,000 MW, covering a substantial share of the molecules of greatest biomedical research interest. This book, the successor to an earlier work published in 1996 with Academic Press, is a natural companion work to our forthcoming book on electron crystallography by Robert Glaeser, with contributions by six others, including Frank. A growing number of workers will employ CryoEM for structural studies in their own research, and a large proportion of biomedical researchers will have a growing interest in understanding what the capabilities and limits of this approach are.
| Author | : Thomas L. Hayes |
| Publisher | : |
| Total Pages | : 18 |
| Release | : 1957 |
| Genre | : Electron microscopes |
| ISBN | : |
Download The Visualization of Individual Lipoprotein Macromolecules in the Electron Microscope Book in PDF, ePub and Kindle
| Author | : Heide Schatten |
| Publisher | : Cambridge University Press |
| Total Pages | : 275 |
| Release | : 2013 |
| Genre | : Science |
| ISBN | : 0521195993 |
Download Scanning Electron Microscopy for the Life Sciences Book in PDF, ePub and Kindle
A guide to modern scanning electron microscopy instrumentation, methodology and techniques, highlighting novel applications to cell and molecular biology.
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Download On the Correlation Between Micropore Distribution Obtained from Molecular Probes and from High Resolution Electron Microscopy Book in PDF, ePub and Kindle
By using immersion calorimetry with liquids of various molecular dimensions, the distributions of the micropore sizes have been obtained for a number of active carbons, for the range 0.3 to 0.75 nm. These carbons have also been examined by high-resolution electron microscopy, the results from both techniques being displayed in the form of histograms. The agreement between the two methods appears to be good and provides possible evidence of the reduced interaction radius of adsorbed molecules and of exfoliation.
| Author | : Frank Joachim |
| Publisher | : Elsevier |
| Total Pages | : 361 |
| Release | : 1996-01-24 |
| Genre | : Science |
| ISBN | : 0080525814 |
Download Three-Dimensional Electron Microscopy of Macromolecular Assemblies Book in PDF, ePub and Kindle
Three-Dimensional Electron Microscopy of Macromolecular Assemblies is the first systematic introduction to single-particle methods of reconstruction. It covers correlation alignment, classification, 3D reconstruction, restoration, and interpretation of the resulting 3D images in macromolecular assemblies. It will be an indispensable resource for newcomers to the field and for all using or adopting these methods. Key Features* Presents methods that offer an alternative to crystallographic techniques for molecules that cannot be crystallized* Describes methods that have been instrumental in exploring the three-dimensional structure of* the nuclear pore complex* the calcium release channel;* the ribosome* chaperonins
