Abstract
Particle Induced X-ray Emission (PIXE) technique has been used to determine the trace elements present in fourteen representative human gallstone samples collected from eastern region (Orissa) and thirteen representative samples collected from southern region (Chennai) of India. PIXE irradiation of the samples has been carried out by using the 3 MV tandem type horizontal pelletron accelerator facility at Institute of Physics, Bhubaneswar with proton beam of energy 3 MeV. In the present investigation, twenty one trace elements like S , Cl , K , Ca , Ti , V , Cr , Mn , Fe , Ni , Cu , Zn , As , Se , Br , Rb , Sr , Y , Zr , Mo and Pb have been estimated in all the three types of gallstones viz. cholesterol stone, mixed stone and pigment stone. While sulphur in cholesterol stones in the eastern region was less than that of the southern region, sulphur was present as a minor element in the pigment stones of both the regions. Less concentration of copper in the gallstones from eastern region is another interesting observation. The lower values of copper in the patients of eastern region may be due to different types of food habits. The concentrations of all the elements in the southern region pigment stones have higher values than that of the eastern region. Moreover, the concentrations of Fe and Mo in cholesterol stone and pigment stone samples in southern region have also higher values than in eastern region. The current PIXE study is of its first kind in this eastern region of India.
Published Version
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