Dr. Daisy Joseph is a Scientist from BARC, Mumbai. She obtained her PhD in Physics from Mumbai University in 2006 in the topic of “Study of X-ray spectra by photo,proton and heavy ion excitation “ .She is an expert in EDXRF and PIXE and has more than 150 publications in peer reviewed journals in her field..She is the Associate Editor for World Research Journal of Bio-Science, Editorial board Member of Journal of Advance Research in Applied Science, International Journal of Current Science and Multidisciplinary Research, Madridge Journal of Analytical Science and Instrumentation.