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Unusual diffraction geometries

Naomi E. Chayen, John R. Helliwell, and Edward H. Snell

in Macromolecular Crystallization and Crystal Perfection

Published in print:
2010
Published Online:
May 2010
ISBN:
9780199213252
eISBN:
9780191707575
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199213252.003.0015
Subject:
Physics, Crystallography

Unusual diffraction geometries may seem a curiosity but may stimulate novel avenues of application. Not least they illustrate a diversity of diffraction‐measuring possibilities. Laue diffraction ... More


The X‐ray laser and the single molecule — no crystal needed?

Naomi E. Chayen, John R. Helliwell, and Edward H. Snell

in Macromolecular Crystallization and Crystal Perfection

Published in print:
2010
Published Online:
May 2010
ISBN:
9780199213252
eISBN:
9780191707575
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199213252.003.0019
Subject:
Physics, Crystallography

Major increases in brightness are anticipated with the upcoming coherent X‐ray lasers. Extrapolation suggests that a single macromolecule ‘sample’ may be sufficient to generate a measurable X‐ray ... More


Macromolecular Crystallization and Crystal Perfection

Naomi E. Chayen, John R. Helliwell, and Edward H. Snell

Published in print:
2010
Published Online:
May 2010
ISBN:
9780199213252
eISBN:
9780191707575
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199213252.001.0001
Subject:
Physics, Crystallography

Structural crystallography provides key information to understand the mechanism involved for biological processes. The technique requires high‐quality crystals. The book Macromolecular ... More


Overall summary and future thoughts

Naomi E. Chayen, John R. Helliwell, and Edward H. Snell

in Macromolecular Crystallization and Crystal Perfection

Published in print:
2010
Published Online:
May 2010
ISBN:
9780199213252
eISBN:
9780191707575
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199213252.003.0020
Subject:
Physics, Crystallography

This chapter summarizes the state‐of‐the‐art in the field and discusses upcoming techniques to solve and to improve the current problems.


Diffuse Scattering and Defect Structure Simulations: A cook book using the program DISCUS

Reinhard B. Neder and Thomas Proffen

Published in print:
2008
Published Online:
September 2008
ISBN:
9780199233694
eISBN:
9780191715563
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199233694.001.0001
Subject:
Physics, Crystallography

In recent years it has become apparent that merely knowing and understanding the average atomic structure is insufficient for comprehending material properties fully. Deviations from this average ... More


Incommensurate Crystallography

Sander van Smaalen

Published in print:
2007
Published Online:
January 2008
ISBN:
9780198570820
eISBN:
9780191718762
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198570820.001.0001
Subject:
Physics, Crystallography

Aperiodic crystals are crystalline materials with atomic structures that lack translational symmetry. This book gives a comprehensive account of the superspace theory for the description of the ... More


Coherent X-Ray Optics

David Paganin

Published in print:
2006
Published Online:
September 2007
ISBN:
9780198567288
eISBN:
9780191717963
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198567288.001.0001
Subject:
Physics, Atomic, Laser, and Optical Physics

This book offers a grounding in the field of coherent X-ray optics, which in the closing years of the 20th century experienced something of a renaissance with the availability of third-generation ... More


DETERMINATION OF THE SUPERSPACE GROUP

Sander Van Smaalen

in Incommensurate Crystallography

Published in print:
2007
Published Online:
January 2008
ISBN:
9780198570820
eISBN:
9780191718762
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198570820.003.0009
Subject:
Physics, Crystallography

This chapter presents the steps that are required to determine the superspace group of an aperiodic crystal from its diffraction pattern. This includes the analysis of the metric of the reciprocal ... More


Crystals, X-rays and Proteins: Comprehensive Protein Crystallography

Dennis Sherwood and Jon Cooper

Published in print:
2010
Published Online:
January 2011
ISBN:
9780199559046
eISBN:
9780191595028
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199559046.001.0001
Subject:
Physics, Crystallography

This book presents a complete account of the theory of the diffraction of X-rays by crystals with particular reference to the processes of determining the structures of protein molecules. The book ... More


Crystal Structure Analysis: Principles and Practice

William Clegg, Alexander J Blake, Jacqueline M Cole, John S O Evans, Peter Main, Simon Parsons, and David J Watkin (eds)

Published in print:
2009
Published Online:
September 2009
ISBN:
9780199219469
eISBN:
9780191722516
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199219469.001.0001
Subject:
Physics, Crystallography

This book presents a less mathematical approach to X-ray crystal structure determination than is given in some detailed texts and concentrates on practical aspects. The book provides the necessary ... More


Introduction to diffraction

Peter Main

in Crystal Structure Analysis: Principles and Practice

Published in print:
2009
Published Online:
September 2009
ISBN:
9780199219469
eISBN:
9780191722516
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199219469.003.0001
Subject:
Physics, Crystallography

This introductory chapter provides information on some fundamental aspects of crystal structures and their diffraction of X-rays as a basis for the rest of the book. It describes electrons, atoms, ... More


First analysis of macromolecular crystals

Sherin S. Abdel-Meguid, David Jeruzalmi, and Mark R. Sanderson

in Macromolecular Crystallography: conventional and high-throughput methods

Published in print:
2007
Published Online:
September 2007
ISBN:
9780198520979
eISBN:
9780191706295
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198520979.003.0004
Subject:
Biology, Biochemistry / Molecular Biology

The past decade and a half have witnessed an almost complete revolution in the way that macromolecular diffraction data are recorded. The promise of diffraction data measurements essentially free of ... More


Adopting a Process Orientation…in Practice: Chiasmic Relations, Language, and Embodiment in a Living World

John Shotter

in Process, Sensemaking, and Organizing

Published in print:
2010
Published Online:
January 2011
ISBN:
9780199594566
eISBN:
9780191595721
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199594566.003.0005
Subject:
Business and Management, Organization Studies

What is involved in our adopting a process orientation, in practice, rather than just talking about it in theory? Below, I explore some of the difficulties involved in terms of Wittgenstein's (1980) ... More


Experimental aspects

Naomi E. Chayen, John R. Helliwell, and Edward H. Snell

in Macromolecular Crystallization and Crystal Perfection

Published in print:
2010
Published Online:
May 2010
ISBN:
9780199213252
eISBN:
9780191707575
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199213252.003.0009
Subject:
Physics, Crystallography

Diffraction and practical aspects in the diffraction pattern are described. The characteristics of the structural detail obtainable at different resolutions are then discussed along with implications ... More


Near‐Field Optical And Plasmonic Imaging

Yuan Wang and Xiang Zhang

in Micro/Nano Technology Systems for Biomedical Applications: Microfluidics, Optics, and Surface Chemistry

Published in print:
2010
Published Online:
September 2010
ISBN:
9780199219698
eISBN:
9780191594229
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199219698.003.0008
Subject:
Mathematics, Mathematical Biology

This chapter reviews the recent development of near-field biomolecule imaging systems. Near-field scanning optical microscopy (NSOM) offers a practical means of optical imaging at a resolution well ... More


Simulating experimental data

Reinhard B. Neder and Thomas Proffen

in Diffuse Scattering and Defect Structure Simulations: A cook book using the program DISCUS

Published in print:
2008
Published Online:
September 2008
ISBN:
9780199233694
eISBN:
9780191715563
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199233694.003.0004
Subject:
Physics, Crystallography

In most cases, simulations of disordered materials are performed to understand experimental observations, in this case diffraction data. This chapter discusses the calculation of several experimental ... More


Polydispersity and the paraffin chain—statement of the problem

DOUGLAS L. DORSET

in Crystallography of the Polymethylene Chain: An Inquiry into the Structure of Waxes

Published in print:
2004
Published Online:
September 2007
ISBN:
9780198529088
eISBN:
9780191712838
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198529088.003.0001
Subject:
Physics, Crystallography

This chapter introduces the problem of polydispersity for understanding properties of materials containing polymethylene chains. A model has been proposed for the assembly of molecular chains in a ... More


Layer packing of polymethylene chains

DOUGLAS L. DORSET

in Crystallography of the Polymethylene Chain: An Inquiry into the Structure of Waxes

Published in print:
2004
Published Online:
September 2007
ISBN:
9780198529088
eISBN:
9780191712838
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198529088.003.0002
Subject:
Physics, Crystallography

This chapter discusses energetic principles important for the close packing of linear polymethylene chains that lead to favoured layer packing arrays, revealing that a hard sphere repulsive model is ... More


Automation of non-conventional crystallization techniques for screening and optimization

Naomi E. Chayen

in Macromolecular Crystallography: conventional and high-throughput methods

Published in print:
2007
Published Online:
September 2007
ISBN:
9780198520979
eISBN:
9780191706295
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198520979.003.0003
Subject:
Biology, Biochemistry / Molecular Biology

The availability of high-quality crystals is crucial to the structure determination of proteins by X-ray diffraction. It is still not understood why some proteins crystallize with ease while others ... More


MAD phasing

H. M. Krishna Murthy

in Macromolecular Crystallography: conventional and high-throughput methods

Published in print:
2007
Published Online:
September 2007
ISBN:
9780198520979
eISBN:
9780191706295
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198520979.003.0008
Subject:
Biology, Biochemistry / Molecular Biology

From a relatively small beginning, nearly two decades ago, phase calculation using multiple-wavelength anomalous diffraction (MAD) data has become more widespread and generally used. This chapter ... More


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