Comparison of Different Vibrational Spectroscopic Probes (ATR-FTIR, O-PTIR, Micro-Raman, and AFM-IR) of Lipids and Other Compounds Found in Environmental Samples: Case Study of Substrate-Deposited Sea Spray Aerosols

The authors would like to acknowledge support from the National Science Foundation through the Center for Aerosol Impacts on Chemistry of the Environment funded under the Centers for Chemical Innovation Program Grant CHE1801971. The authors also acknowledge that the research reported here was funded in whole or in part by the Army Research Office/Army Research Laboratory via an equipment grant #W911NF2210033 to purchase the mIRage + Raman system at the University of California, San Diego. Any errors and opinions are not those of the Army Research Office or Department of Defense and are attributable solely to the author(s). The authors are very grateful to the CHAOS team and thank Raymond J. Leibensperger III, Ke'La Kimble, Julie Dinasquet, Francesca Malfatti, Christopher Lee, Grant Deane, Dale Stokes and Kimberly A. Prather. We also thank the CAICE engineering and facility members Joseph Mayer and Robert Klidy and the Scripps Institution of Oceanography Marine Science Development Center team, who made the CHAOS campaign a success. Additionally, we thank Dr. Eshani Hettiarachchi for their technical edits and comments.