The journal wishes to formally notify you of the withdrawal of the article titled 'Preparation of Zinc Oxide Nanoparticles for Cancer Treatment' from the Journal of Access to Engineering Technology, Volume 2, Issue 1 (January - June 2022), pages 22-34, (Pairoj, S. (2022). Preparation of zinc oxide nanoparticles for cancer treatment. Journal of Engineering Technology Access (JETA)(Online), 2(1), 22-34.) This withdrawal is due to the presence of duplicate content in the article above. Consequently, we kindly request that this article not be utilized as a reference for any scholarly or informational purposes, as it has been officially retracted from the Journal of Access to Engineering Technology.