Assessing the application of Optical-PhotoThermal Infrared spectroscopy for single-grain chemical palynology - Laura Scoble; Hao Meng; Simon J. Ussher; Mark F. Fitzsimons; Lauren Ansell; Mustafa Kansiz; Billy Simmonds; Nick Stone; Ralph M. Fyfe (Review of Palaeobotany and Palynology, 2026)