
Keywords: زمان پرواز یونیزاسیون لیزر جذب ماتریس; UV; Ultra-violet; MALDI-TOF; Matrix-Assisted Laser Desorption Ionization Time-Of-Flight; FT-IR; Fourier Transform - Infra Red; EPR; Electron Paramagnetic Resonance; Tyr; Tyrosine; Trp; Tryptophan; Hair; Free radicals; Electron paramagnetic resonance; UV