Microwave metamaterial sensor for label-free dielectric characterization of biological equivalent mediaAbbas Hamouleh-Alipour6d agoScientific Reports, Published online: 16 August 2026; doi:10.1038/s41598-026-67023-w Microwave metamaterial sensor for label-free dielectric characterization of biological equivalent mediabiologybiomaterialsdielectric-characterizationmaterialsmetamaterials