X-ray Scattering Techniques for Characterization of Nanosystems in Lifescience

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The intent of this chapter is to provide the basics of using x-ray diffraction techniques in order to obtain information on the structure and morphology of the nanosystems, and also to point out some of its strengths and weaknesses when compare to other characterization techniques. X-ray scattering examines over a wide range of density domains from a tenth to a thousandth angstrom. Essentially, this covers a whole range of condensed matter, including the structure and morphology of nanosystems, particularly useful for examining nanostructures in lifescience. This range of domain size requires both the wide-angle x-ray scattering (WAXS) and small-angle (SAXS) ... continued below

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PDF-file: 27 pages; size: 0.6 Mbytes

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Saw, C K April 11, 2005.

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Description

The intent of this chapter is to provide the basics of using x-ray diffraction techniques in order to obtain information on the structure and morphology of the nanosystems, and also to point out some of its strengths and weaknesses when compare to other characterization techniques. X-ray scattering examines over a wide range of density domains from a tenth to a thousandth angstrom. Essentially, this covers a whole range of condensed matter, including the structure and morphology of nanosystems, particularly useful for examining nanostructures in lifescience. This range of domain size requires both the wide-angle x-ray scattering (WAXS) and small-angle (SAXS) x-ray scattering techniques. Roughly WAXS covers from 2 nm down, and SAXS covers from .5 nm to 100 nm and possibly 1,000 nm for a finely tuned instrument. Brief theoretical description of both WAXS and SAXS will be given in this chapter. WAXS, by itself is a powerful technique in providing information on the crystallographic structure or lack of structure, atomic positions and sizes in a unit cell, to some extend, chemical compositions and as well as chemical stoichiometry. Examples of such experiments will also be given. In order to be able to describe the technique of x-ray scattering, some historical and theoretical background will be given in the hope of making this subject interesting and simple.

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PDF-file: 27 pages; size: 0.6 Mbytes

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  • Journal Name: Nanotechnologies for Life Sciences; Journal Volume: 3

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  • Report No.: UCRL-JRNL-211387
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 881875
  • Archival Resource Key: ark:/67531/metadc885608

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  • April 11, 2005

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  • Sept. 21, 2016, 2:29 a.m.

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  • Dec. 9, 2016, 10:10 p.m.

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Saw, C K. X-ray Scattering Techniques for Characterization of Nanosystems in Lifescience, article, April 11, 2005; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc885608/: accessed August 16, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.