This Pulse_PNAS_MainTextData_SS_HAS_Readme.txt file was generated on 2020-09-15 by Suin Shim. GENERAL INFORMATION 1. Title of Dataset: Main text data for the article "CO2-leakage-driven diffusiophoresis causes spontaneous accumulation of charged materials in channel flow." 2. Author Information Name: Suin Shim Institution: Princeton University Address: Department of Mechanical and Aerospace Engineering, Princeton University, Princeton, NJ 08540 Email: sshim@princeton.edu Name: Howard A. Stone Institution: Princeton University Address: Department of Mechanical and Aerospace Engineering, Princeton University, Princeton, NJ 08540 Email: hastone@princeton.edu 3. Date of data collection: Between 2017-05-05 and 2020-07-05. 4. Geographic location of data collection: Princeton, NJ 5. Information about funding sources that supported the collection of the data: NSF CBET-1702693 DATA & FILE OVERVIEW - File List: Pulse_PNAS_MainTextData_SS_HAS.xlsx (an excel file with 8 tabs corresponding to the 8 graphs in the paper) DATA-SPECIFIC INFORMATION FOR: Pulse_PNAS_MainTextData_SS_HAS.xlsx - The data report either pulse velocity or the normalized gray values. - Pulse velocity is measured in um/s.