Optimization of Graphene-Based Square Slotted Surface Plasmon Resonance Refractive Index Biosensor for Accurate Detection of Pregnancy. - Almawgani, Abdulkarem H. M.; Wekalao, Jacob; Patel, Shobhit K.; Alzahrani, Ahmad; Gumaih, Hussein S.; Armghan, Ammar (Plasmonics, 2025)