Abstract
The preliminary study is concerned with an innovative technique for the discrimination of malignant brain tumor from benign with reasonable sensitivity and specificity. The entire study is based on the relative fluorescence intensity and life-time of bio-fluorophores like tryptophan and tyrosine which are then validated as a set of ratio parameters. Resultantly, it was seen that malignancy was characterized by three-fold enhancement of tyrosine. The picosecond-time resolved decay time measurement was done, which exhibited two-fold decrease in decay time for malignant sample. The improved accessibility, with minimal invasiveness to the patient, and lower cost are encouraging aspects of this technique.
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