Crystal Growth of some Urinary Stone Constituents:<BR>I. In-Vitro Crystallization of L-Tyrosine and its Characterization by E. Ramachandran, S. Natarajan

Crystal Research and Technology

Cryst. Res. Technol. 37 (2002) 1160 - Abstract -

E. Ramachandran, S. Natarajan*

Department of Physics, Thiruvalluvar College, Papanasam-627425, India
*Department of Physics, Madurai Kamaraj University, Madurai-625021, India

Crystal Growth of some Urinary Stone Constituents:
I. In-Vitro Crystallization of L-Tyrosine and its Characterization

L -Tyrosine (C₉H₁₁NO₃), having morphology of spherulitic needles and long needles, an amino acid constituent of urinary stone, is crystallized in silica gel under suitable pH conditions and by single diffusion and double diffusion methods. The grown crystals were characterized by density measurement, Fourier transform infrared spectroscopy, X-ray powder diffraction and thermogravimetric analysis.

Keywords: L-Tyrosine, urinary crystals, gel growth, XRD, FTIR, TGA

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