We employ and develop cutting-edge analytical techniques, combining established methods like light and X-ray scattering with innovative approaches such as lock-in thermography and Taylor dispersion analysis. Our work encompasses several key areas, such as nanoparticle dosimetry through computational particokinetic modeling, extraction, detection methods for regulatory compliance in consumer products, and advanced spectroscopic techniques, including surface-enhanced Raman spectroscopy (SERS). We specialize in developing methodologies to characterize nanoparticle behavior in complex environments. Our interdisciplinary approach integrates mathematical modeling, instrumental analytics, and experimental validation to provide a comprehensive understanding of nanoparticle characteristics and interactions. This multifaceted strategy enables accurate nanoparticle detection, quantification, and characterization across diverse applications and regulatory frameworks.