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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


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.


Membrane proteins

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/9780199213252.003.0007
Subject:
Physics, Crystallography

The structural studies of membrane proteins lag those of their soluble counterparts. This is mainly due to the difficulty in crystallizing membrane proteins that have large hydrophobic regions that ... More


Beyond existence

Louis A. Girifalco

in The Universal Force: Gravity - Creator of Worlds

Published in print:
2007
Published Online:
January 2008
ISBN:
9780199228966
eISBN:
9780191711183
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199228966.003.0019
Subject:
Physics, History of Physics

Gravity is responsible not only for the existence of stars and planets; it also creates the weirdest objects imaginable. A body with mass greater than 1.4 solar masses cannot remain a white dwarf and ... More


Equations of Motion in General Relativity

Hideki Asada, Toshifumi Futamase, and Peter Hogan

Published in print:
2010
Published Online:
January 2011
ISBN:
9780199584109
eISBN:
9780191723421
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199584109.001.0001
Subject:
Physics, Theoretical, Computational, and Statistical Physics

This book focuses attention on two aspects of equations of motion in general relativity: the motion of extended bodies(stars) and the motion of small black holes. The objective is to offer a guide to ... More


Quasielastic Neutron Scattering and Solid State Diffusion

Rolf Hempelmann

Published in print:
2000
Published Online:
January 2010
ISBN:
9780198517436
eISBN:
9780191706974
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198517436.001.0001
Subject:
Physics, Condensed Matter Physics / Materials

The book provides an account of quasielastic neutron scattering (QENS) which has made many important contributions to the atomistic elucidation of diffusion processes in solids. The unique feature of ... More


NEUTRON ABSORPTION TOMOGRAPHY

Eberhard Lehmann and Nikolay Kardjilov

in Advanced Tomographic Methods in Materials Research and Engineering

Published in print:
2008
Published Online:
May 2008
ISBN:
9780199213245
eISBN:
9780191707582
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199213245.003.0013
Subject:
Physics, Condensed Matter Physics / Materials

This chapter discusses neutron absorption tomography. Topics covered include the interaction of neutron radiation with matter and comparison to x-rays, specifics of neutron tomography, limitations in ... More


NEUTRON BEAM MAGNETIC RESONANCE

Norman F. Ramsey

in Molecular Beams

Published in print:
1986
Published Online:
September 2007
ISBN:
9780198520214
eISBN:
9780191706325
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198520214.003.0007
Subject:
Physics, Atomic, Laser, and Optical Physics

Neutron beam magnetic resonance experiments with slow neutrons are very similar to corresponding molecular beam experiments. Methods of polarizing neutron beams by total reflection and other means ... More


The Progenitors of Gamma-Ray Bursts

Joshua S. Bloom

in What Are Gamma-Ray Bursts?

Published in print:
2011
Published Online:
October 2017
ISBN:
9780691145570
eISBN:
9781400837007
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691145570.003.0005
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

This chapter discusses the object or objects responsible for gramma-ray bursts (GRBs). Until now, there are few absolute certainties with regard to the progenitors of GRBs. One clear standout is the ... More


The basic principles and experimental configurations of neutron diffraction experiments

Nobuo Niimura and Alberto Podjarny

in Neutron Protein Crystallography: Hydrogen, Protons, and Hydration in Bio-macromolecules

Published in print:
2011
Published Online:
May 2011
ISBN:
9780199578863
eISBN:
9780191725555
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199578863.003.0001
Subject:
Physics, Crystallography

The basic principles and experimental configurations of neutron diffraction experiments are given in this chapter. First, the physics of neutrons and neutron diffraction, such as neutron-scattering ... More


Introduction to neutron powder diffraction

Erich H. Kisi and Christopher J. Howard

in Applications of Neutron Powder Diffraction

Published in print:
2008
Published Online:
January 2009
ISBN:
9780198515944
eISBN:
9780191705663
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198515944.003.0001
Subject:
Physics, Condensed Matter Physics / Materials

This chapter opens with brief descriptions of neutrons, powders (polycrystalline materials), and diffraction, followed by an account of how the unique properties of neutrons and their interaction ... More


OBSERVATION OF MICROSCOPIC MAGNETISM

Dante Gatteschi, Roberta Sessoli, and Jacques Villain

in Molecular Nanomagnets

Published in print:
2006
Published Online:
September 2007
ISBN:
9780198567530
eISBN:
9780191718298
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198567530.003.0003
Subject:
Physics, Condensed Matter Physics / Materials

This chapter is devoted to the observation of microscopic magnetism, working out in some detail the most commonly used magnetic techniques. The basic aspects of these techniques are only briefly ... More


Introduction

Rolf Hempelmann

in Quasielastic Neutron Scattering and Solid State Diffusion

Published in print:
2000
Published Online:
January 2010
ISBN:
9780198517436
eISBN:
9780191706974
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198517436.003.0001
Subject:
Physics, Condensed Matter Physics / Materials

This chapter introduces the basic idea of quasielastic neutron scattering as a probe for diffusion processes in condensed matter. Neutron scattering and solid state diffusion have in common that they ... More


Making the most of difficult crystals — beamline and detector optimization

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/9780199213252.003.0016
Subject:
Physics, Crystallography

The geometry of the crystallographic instrumentation is described with an emphasis on synchrotron radiation beamline setups in the hutch. The measurement principles of ‘signal to noise’ as well as ... More


Introduction

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/9780199213252.003.0001
Subject:
Physics, Crystallography

Macromolecules are the machinery of life and their function is determined by their 3D structure. Visual observation with a light microscope is not possible as the sizes of macromolecules are well ... More


Advanced Tomographic Methods in Materials Research and Engineering

John Banhart (ed.)

Published in print:
2008
Published Online:
May 2008
ISBN:
9780199213245
eISBN:
9780191707582
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199213245.001.0001
Subject:
Physics, Condensed Matter Physics / Materials

Tomography provides three-dimensional images of heterogeneous materials or engineering components, and offers an unprecedented insight into their internal structure. By using X-rays generated by ... More


Theory – the bare essentials

Erich H. Kisi and Christopher J. Howard

in Applications of Neutron Powder Diffraction

Published in print:
2008
Published Online:
January 2009
ISBN:
9780198515944
eISBN:
9780191705663
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198515944.003.0002
Subject:
Physics, Condensed Matter Physics / Materials

This chapter presents the properties of thermal neutrons. Their wavelength (from the de Broglie equation) is well suited to the investigation of condensed matter, i.e., to the study of liquids, ... More


Basic instrumentation and experimental techniques

Erich H. Kisi and Christopher J. Howard

in Applications of Neutron Powder Diffraction

Published in print:
2008
Published Online:
January 2009
ISBN:
9780198515944
eISBN:
9780191705663
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198515944.003.0003
Subject:
Physics, Condensed Matter Physics / Materials

This chapter first gives the location of facilities for neutron powder diffraction. Constant wavelength (CW) and time-of-flight (TOF) diffractometers are introduced. The typical components ... More


Neutron Protein Crystallography: Hydrogen, Protons, and Hydration in Bio-macromolecules

Nobuo Niimura and Alberto Podjarny

Published in print:
2011
Published Online:
May 2011
ISBN:
9780199578863
eISBN:
9780191725555
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199578863.001.0001
Subject:
Physics, Crystallography

This book on neutron protein crystallography (NPC) begins with a brief review of the physics of neutrons and neutron diffraction, highlighting the differences between neutron and X-ray diffraction ... More


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