Dr. Samanidou was born in Thessaloniki, Greece. She obtained her Bachelor of Science degree in Chemistry, in 1985, from the Chemistry Department of Aristotle University of Thessaloniki. In 1990 she obtained her doctorate degree in Chemistry from the Department of Chemistry of the Aristotle University of Thessaloniki. In the same year Dr. Samanidou joined the Laboratory of Analytical Chemistry, in the Department of Chemistry of Aristotle University of Thessaloniki, as Technical Assistant. Dr. Samanidou is Full Professor in the Department of Chemistry of the University of Thessaloniki, at the Laboratory of Analytical Chemistry, since 2015. She has published more than 150 original research articles in peer reviewed journals and 50 reviews and chapters in scientific books. She holds an H-index 30 (self-citations excluded, Scopus December 2018). She is member of editorial board of more than 10 scientific journals and she has reviewed almost 500 manuscripts in more than 100 scientific journals. She was also guest editor in around 10 special issues in scientific journals.
In 2016 she was listed within the Top 50 Women with high impact in Analytical Chemistry. Power list 2016 was created by The Analytical Scientist Magazine by Texere Publishing.
Since January 2016 she has been the President of the Steering Committee of the Division of Central and Western Macedonia in the Association of the Greek Chemists.