The Structure of Secondary Conglomerates Formed due to Exposure of Gallstones to Laser Radiation
УДК 52-526
Abstract
The paper analyzes the features of structures and elemental compositions of gallstones depending on their types. Elemental compositions of gallstones were studied by x-ray fluorescence analysis, while their structures before and after exposure to laser radiation were studied by microscopy. The elemental compositions of all types of gallstones include the following trace elements: iron, chromium, nickel, copper, manganese, and sulfur. The combination of trace elements in the core and surface layers of gallstones depends on the type of gallstone. Section structures of gallstones of different elemental compositions before and after exposure to laser radiation and the structure of crystalline formations on their surface in relation to the time of exposure are studied in this paper. It is shown that the mechanism of destruction varies for different structural elements of gallstones. The fractal dimension of the objects formed on the surface of the sections after exposure to laser radiation is calculated. The analysis of the morphological pattern of structural changes in the surface of biomineral formations after exposure to laser radiation includes the determination of the following structural parameters: the integrity of the irradiation zone contours, the presence of structural damages and their nature.
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