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Title: Determination and calibration of crystal lattice images of biological apatites. Author: Arends J, Voegel JC, Jongebloed W, Pieters J. Journal: J Biol Buccale; 1982 Jun; 10(2):125-33. PubMed ID: 6956570. Abstract: Lattice imaging provides detailed information on the mineral phase of calcified tissues. The lattice space distances dhk1 depend directly on the accuracy of the magnification. Using synthetic apatite, K2PtCl6, graphitized C and crocidolite as calibration material the lattice parameters of human enamel have been determined. The relative errors in the mineral dhk1 values using crocidolite, K2PtCl6 and C are 0.6, 1.0 and 3.9 % resp. If hydroxyapatite is employed on the same grid as the enamel specimen, the d-values obtained are very close to the X-ray diffraction data; a reproducibility of 0.8% in a and c lattice parameter determination can be obtained on selected crystallites.[Abstract] [Full Text] [Related] [New Search]