Each individual .xlsx file provides the raw data for a figure in the manuscript
"Nested-Nanobubbles for Ultrasound Triggered Drug Release". 
File names correspond to raw data for figures in the main text (e.g Figure1.xlsx)
or for a figure from the supporting information (e.g. FigureS1.xlsx).
Any additional analysis such as FFT or Harmonic Filtering is described with the main 
text of the paper or supporting information.