Igor D. Zlotnikov is a dedicated researcher and scientist specializing in the application of Fourier infrared spectroscopy to investigate biological systems and their interactions with pharmaceuticals. He completed his education at Lomonosov Moscow State University, earning a degree from the Chemistry Department in 2023. Currently pursuing a Ph.D. at Limited Liability Company “Binngo-Biotech” while also serving as a scientific employee at the Research and Educational Center for Nanotechnology MSU, Igor has made significant contributions to the field through 25 publications, including 16 in renowned MDPI journals. His pioneering work focuses on using IR spectroscopy to analyze drug efficacy, including the delivery of cytostatics to cancer cells, polymer systems in macrophages, and antibiotic accumulation in bacterial infections. Igor’s research extends to personalized medicine applications, particularly in studying biomaterials from Morozov Hospital and developing innovative biosensors based on macrophage membranes. Co-author of a monograph on nanotechnology in drug delivery and a patent applicant for novel lymphotropic dyes in intraoperative lymphography, Igor Zlotnikov exemplifies a commitment to advancing scientific understanding and medical innovation through interdisciplinary research. This paragraph summarizes Igor’s academic journey, research focus, notable publications, and contributions to the scientific community effectively.