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It has been said by many investigators that hydroxyapatite ceramics may be prospective bone substitute materials. Its mechanical brittleness and strength has been the most serious consideration. In the present article a study has been done using animal experiments, the changes of surface strain...
The renal calculi are studied by using an X-ray diffractometer for different chemical composition of the stones. A new constituent, α-quartz, is confirmed to be present in the renal calculi which is responsible for piezoelectric property of such materials.
A two-dimensional finite-difference numerical model is developed for the blood flow at the aortic bifurcation to determine the possible role of fluid dynamics in the atherogenesis. Arterial walls are assumed to be rigid, while the fluid is Newtonian. Parametric studies are performed to evaluate...
A successive study of various bioelectrical phenomena promoted a submolecular approach to the nature of growth and degradation of biological crystals pointing to the relation in the title.
A cruciate ligament fatigue/wear testing system TTF600 was developed at École Polytechnique in order to reproduce a little better the loading conditions and environment in which they perform. This machine was designed to subject the ligaments to simultaneous tension, bending and torsion. The...
The adsorption and chromatographic properties of hydroxyapatite sorbents for application to different viruses have been investigated. The strong adsorption of viruses was observed on macroporous hydroxyapatite with hydrophilic properties of the sorbent surface. The viruses were purified on this...
Dielectric properties of kidney stones in processed form are studied in a frequency range of 1 kHz–l0 MHz. The samples under test are in the fonn of discs of the stones. The dielectric properties are found to be highly dependent on the frequency, and as expected, similar to those of...
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