Machine learning–enhanced surface-enhanced spectroscopic detection of polycyclic aromatic hydrocarbons in the human placenta - Oara Neumann; Yilong Ju; Andres B. Sanchez-Alvarado; Guodong Zhou; Weiwu Jiang; Bhagavatula Moorthy; Melissa A. Suter; Ankit Patel; Peter Nordlander; Naomi J. Halas (Proceedings of the National Academy of Sciences, 2025)