Naturally many types of crystals grow in our human body. Especially different crystals or minerals are deposited in human urinary tracts. These crystals are named as octacalcium phosphate (OCP), calcium hydrogen phosphate (CHP), hydroxyapatite (HAP), magnesium hydrogen phosphate (MHP) etc. The SeMg-HPO4 crystals are also known as Selenio–Newberryite crystals. The main reasons for the formation of crystals are due to the increased concentration of magnesium and phosphate ions in the human urine. In the present study, SeMHP crystals are grown in silica gel medium at various concentrations and different pH values in sun light medium and laser exposed medium. It has been observed that the nucleation rate was partially and completely reduced in sunlight and laser exposed medium, respectively. During the growth period, Liesegang rings were observed. Characteristic studies of SeMHP crystals such as FTIR, AAS, SEM, XRD, TGA/DTA and etching were done. The results are compared with the reported values and discussed in detail.
Volume 43, 2020
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