Rietveld Refinement on X-Ray Diffraction Patterns of Bioapatite in Human Fetal Bones

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Rietveld refinement on x-ray diffraction patterns of bioapatite in human fetal bones.

Bioapatite, the main constituent of mineralized tissue in mammalian bones, is a calcium-phosphate-based mineral that is similar in structure and composition to hydroxyapatite. In this work, the crystallographic structure of bioapatite in human fetuses was investigated by synchrotron radiation x-ray diffraction (XRD) and microdiffraction ( micro -XRD) techniques. Rietveld refinement analyses of ...

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Rietveld refinement of KLaTiO4 from X-ray powder data

Potassium lanthanum titanate(IV), KLaTiO(4), has been synthesized by conventional solid-state reaction. It crystallizes isotypically with the NaLnTiO(4) (Ln = La, Pr, Nd, Sm, Eu, Gd, Y and Lu) family. Five of the six atoms in the asymmetric unit (one K, one La, one Ti and two O atoms) are situated on sites with 4mm symmetry, whereas one O atom has 2mm. site symmetry. The crystal structure can b...

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Introducing an Optimized Method for Obtaining X-ray Diffraction Patterns of Biological Tissues

Introduction Individual X-Ray diffraction patterns of biological tissues are obtained via interference of coherent scattering with their electrons. Many scientists have distinguished normal and cancerous breast tissue, bone density, and urinary stone types using the X-Ray diffraction patterns resulting from coherent scattering. The goal of this study was to introduce an optimized method for obt...

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IN THIS ISSUE Rietveld Refinement from Powder Diffraction Data

CPD chairman’s message, Paolo Scardi 2 CPD projects: 2 Quantitative Phase Analysis RR, Ian Madsen Editor’s message, Robert Dinnebier 2 Thirty five years ago, Hugo Rietveld 3 WWW sites related to Powder Diffraction 5 IUCr Commission on Powder Diffraction 5 Rietveld Refinement from Powder Diffraction Data Beyond the abilities of Rietveld analysis: MEM-based pattern fitting with synchrotron X-ray ...

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ژورنال

عنوان ژورنال: Biophysical Journal

سال: 2003

ISSN: 0006-3495

DOI: 10.1016/s0006-3495(03)75010-3