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Topic: Crystallography

Related Topics

Electron crystallography

Crystal

Diffraction

Group action

Crystal structure

Neutron diffraction

Goniometer

Crystallite

Secondary structure

Materials science

Protein

Solid state chemistry

Synchrotron light

Primary structure

Atomic theory

	Crystallography - Wikipedia, the free encyclopedia
		Crystallography (from the Greek words crystallon = cold drop / frozen drop, with its meaning extending to all solids with some degree of transparency, and graphein = write) is the experimental science of determining the arrangement of atoms in solids.
		Crystallography covers the enumeration of the symmetry patterns which can be formed by atoms in a crystal and for this reason has a relation to group theory and geometry.
		X-ray crystallography is the primary method for determining the molecular conformations of biological macromolecules, particularly protein and nucleic acids such as DNA and RNA.
	en.wikipedia.org /wiki/Crystallography (1484 words)

	Crystallography [encyclopedia] (Site not responding. Last check: 2007-10-22)
		Crystallography most often refers to the experimental methods used to determine the arrangement of atoms in solids.
		Crystallography is used to generate a kind of image of how the atoms in a material are arranged.
		X-ray crystallography is the primary method for determining the molecular conformations of proteins and other biological macromolecules (the double-helical structure of DNA, for example, was deduced from X-ray diffraction patterns).
	www.kosmoi.com /Science/Chemistry/Crystallography (860 words)

	Bob's Rock Shop: Introduction to Crystallography and Mineral Crystal Systems
		Crystallography is easily divided into 3 sections -- geometrical, physical, and chemical.
		Any line through the center of the crystal around which the crystal may be rotated so that after a definite angular revolution the crystal form appears the same as before is termed an axis of symmetry.
		Despite the initial observation that both the various cube and octahedral faces are unequal in size, the example displays all the symmetry elements and relationships of a crystal from the cubic system.
	www.rockhounds.com /rockshop/xtal/part1.html (4594 words)

	X-ray crystallography - HighBeam Encyclopedia (Site not responding. Last check: 2007-10-22)
		X-RAY CRYSTALLOGRAPHY [X-ray crystallography] the study of crystal structures through X-ray diffraction techniques.
		A year later Lawrence Bragg successfully analyzed the crystalline structures of potassium chloride and sodium chloride using X-ray crystallography, and developed a rudimentary treatment for X-ray/crystal interaction (Bragg's Law).
		Protein leads: high throughput X-ray crystallography could lead to new drug candidates and improve their success rates in clinical trials.
	encyclopedia.infonautics.com /html/X/Xraycrys.asp (355 words)

	Crystallography
		From these 32 classes, 230 space groups (see Crystallography 101) are distinguishable using x-ray analysis.
		Example Crystal Morphology - To further illustrate these symmetry elements, the example crystalline forms for each symmetry class were constructed using Faces (version 3.7) by Georges Favreau for older browsers and a JAVA language program called JCrystal by Steffen Weber for the java-capable browsers.
		Example crystal images within the crystallography group in the yellow columns.
	webmineral.com /crystall.shtml (361 words)

	Crystallography Research Program Description
		This is crucial, because it is no longer sufficient to know how structures and complexes appear; we must also understand how they work.
		In addition, the Crystallography Research Program endeavors to serve the needs of other OMRF research programs and participates in special collaborative efforts outside this institution.
		Some of the research interests currently under investigation within out department include three-dimensional structures of cardiovascular system-related macromolecular drugs, cellular metabolism and transport regulators along with their associated molecular partners.
	www.omrf.org /OMRF/Research/04/Welcome.asp (204 words)

	Nearctica - Geology - Minerals and Gems - Crystallography
		It examines the basic principles of symmetry, and goes through the various systems of crystals with all of their forms and variations.
		Most mineralogists will find it little applicable to their needs even though it is a great site.
		A series of questions answered about crystals including what is a crystal, what types of crystals are there, and how do crystals form.
	www.nearctica.com /geology/mineral/crystal.htm (277 words)

	BUBL LINK: Crystallography
		Society aiming to promote international publication of crystallographic research, to facilitate standardization of methods, units, nomenclatures and symbols, and to form a focus for the relations of crystallography to other sciences.
		Headings include crystallography, chemical composition, physical and optical properties, as well as an alphabetical listing of mineral species.
		Searchable database of three-dimensional structures determined by X-ray crystallography and NMR spectroscopy.
	bubl.ac.uk /link/c/crystallography.htm (407 words)

	Amazon.com: Crystallography: Books: Walter Borchardt-Ott,R.O. Gould (Site not responding. Last check: 2007-10-22)
		As a self-study guide, course primer or teaching aid, Borchardt-Ott's Crystallography is the perfect textbook for students and teachers alike.
		The heart of the book is firmly fixed in geometrical crystallography.
		At the heart of crystallography lies an object - the crystal.
	www.amazon.com /Crystallography-Walter-Borchardt-Ott/dp/3540594787 (545 words)

	Boggy's links to General Mineralogy
		After introductory chapters describing the principles of diffraction, imaging and the spectroscopic methods used to study minerals, the structure and behaviour of the main groups of rock-forming minerals are covered, and the role of defects in the deformation and transformation of a mineral are explained.
		The book is known for it's complete coverage of concepts and principles with along a more systematic and descriptive treatment of mineralogy.
		Techniques of performing applied mineralogy investigations, and applications and capabilities of recently developed instruments for measuring mineral properties are explored in this book intended for practicing applied mineralogists, students in mineralogy and metallurgy, and mineral processing engineers.
	www.geologylinks.com /minmin.html (388 words)

	Crystallography: Physics at Canadian Content
		Additional Information: The Crystallography is a misleading term.
		Aside from being the personal and academic website of JP Cartailler, these pages contain much information on protein crystallography of membrane proteins, enzymes, and autoimmune molecules.
		Crystal Research and Technology is an international journal examining all aspects of research within experimental, industrial and theoretical crystallography.
	www.canadiancontent.net /dir/Top/Science/Physics/Crystallography (293 words)

	Boggy's links to crystallography
		Designed as a course text or self-study guide, this book introduces students of chemistry, mineralogy or geology to the field of crystallography.
		Although emphasis is placed on the correspondence between point and space groups, the central core of the book is geometrical crystallography.
		This second edition has been revised and expanded by exercises on the use of stereographic, orthographic and gnomonic projections as well as on indexing.
	www.geologylinks.com /mincry.html (301 words)

	Crystallography « Physics « Science
		For simplicity alternative techniques of structural biology, for example NMR, neutron and electron crystallography are also included here.
		Crystal Research and Technology - Crystal Research and Technology is an international journal examining all aspects of research within experimental, industrial and theoretical crystallography.
		Protein Crystallography - Focused news, events, interviews, suppliers information and jobs related to protein crystallography.
	www.directorylistings.info /Science/Physics/Crystallography (314 words)

	School of Crystallography, Birkbeck, University of London
		The School of Crystallography performs research in Structural Biology, Bioinformatics, Biophysics and Materials Science.
		The School is a key component of the Institute of Structural Molecular Biology (ISMB) and the Bloomsbury Centre for Bioinformatics.
		The School of Crystallography is located in Bloomsbury, central London.
	www.cryst.bbk.ac.uk (184 words)

	The Protein Crystallography Information Portal - index (Site not responding. Last check: 2007-10-22)
		The NIST team determined the three-dimensional shape of class IV adenylyl cyclase by purifying and crystallizing the protein and using X-ray crystallography at the Center for Advanced Research in Biotechnology.
		Purdue researcher determines the structure of a protein that controls the starvation response of E. coli.
		Dr Duncan McRee, President, ActiveSight, speaking at Advances in protein Crystallography 2006.
	www.proteincrystallography.com (688 words)

	(IUCr) Crystallography Online (Site not responding. Last check: 2007-10-22)
		Conference Calendar indexed by date, place and subject.
		is available to provide extensive coverage of current and internet-based information concerning crystallography and of interest to crystallographers.
		It is maintained by the International Union of Crystallography.
	www.iucr.org /cww-top/crystal.index.html (35 words)

	Crystallography
		Crystallography textbooks below include books that approach the subject from different perspectives, including physical, inorganic and biochemical applications.
		Some of them could also have been entered under those menu items.
		Crystallography Made Crystal Clear: A Guide for Users of Macromolecular Models
	www.umsl.edu /~chemist/cgi-test/mybooks.pl?category=12 (599 words)

	Math Forum: Alejandre - Math Unit - Crystals (Site not responding. Last check: 2007-10-22)
		Java applets which show some of the major forms for the Hexoctahedral Class (symmetry 4/m3bar2/m) of crystals.
		Interactive Crystallography - download the CrystalMaker demo for regular or PowerPC Mac's.
		A collection of different and very small crystals, pictured through the microscope.
	mathforum.org /alejandre/workshops/toc.crystal.html (149 words)

	Crystallography at SDSC (Site not responding. Last check: 2007-10-22)
		The International Union of Crystallography (IUCr) (complete mirror site)
		The US National Committee for Crystallography (offical home page)
		Crystallography World Wide World Wide Web Virtual Library
	www.sdsc.edu /Xtal/Xtal.html (46 words)

	Bob's Rock Shop: Crystallography and Mineral Crystal Systems (Site not responding. Last check: 2007-10-22)
		Bob's Rock Shop: Crystallography and Mineral Crystal Systems
		If you're stuck in some other web site's frames click here to escape them.
		If you're interested in Arkansas collecting and minerals, be sure and check out the best Arkansas rockhound resource on the WWW, Mike and Darcy's Rockhounding Arkansas.
	www.rockhounds.com /rockshop/xtal/index.html (249 words)

	Crystallography
		Crystallography Course at the Cambridge Institute for Medical Research
		Interactive Course of Crystallography at the University of Lausanne
		Last update of this page: 12-September-2006, Dirk Kostrewa
	sb.web.psi.ch /crystallography.html (95 words)

	Aquamarine Mineral
		Aquamarine, named for the Latin phrase "water of the sea", is a blue to blue-green variety of the mineral beryl.
		aquamarine, Mineral (Mineralogy And Crystallography) - Encyclopedia">AllRefer Encyclopedia - aquamarine, Mineral (Mineralogy And Crystallography) - Encyclopedia
		AllRefer.com reference and encyclopedia resource provides complete information on aquamarine, Mineralogy And Crystallography.
	www.about-gemstones.com /aquamarine/Aquamarine-Mineral.shtml (643 words)

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