Video Number Status Type Beam Current Areal Fluence per Frame Areal Flux Pt density Num Frames total length filename Notes (from text) (pA) (x 10^6 e nm^-2) (x 10^6 e s^-1 nm^-2) (nm^-2) (after crop) (s) 1 Vacuum Dehydrated Cell 42 1.32 0.70 0.04 83 157 Scanning Preview_12.36.emi 2 Vacuum Dehydrated Cell 42 1.32 0.70 0.07 53 100 Scanning Preview_12.43.emi 3 Vacuum Dehydrated Cell 81 2.55 1.35 0.15 101 191 Scanning Preview_15.14.emi 4 Vacuum Dehydrated Cell 81 2.55 1.35 0.14 64 121 Scanning Preview_15.18.emi 5 Vacuum Dehydrated Cell 167 5.25 2.78 0.19 68 128 Scanning Preview_15,51.emi 6 Vacuum Dehydrated Cell 167 5.25 2.78 0.20 43 81 Scanning Preview_15.56.emi 7 Vacuum Freestanding MoS2 167 7.00 1.39 0.36 66 332 17.07_Scanning Preview.emi 8 Liquid Hydrated Cell 42 1.32 0.70 0.23 91 172 Scanning Preview15.emi 9 Liquid Hydrated Cell 42 1.32 0.70 0.07 60 113 Scanning Preview17.emi 10 Liquid Hydrated Cell 42 1.32 0.70 0.15 137 259 Scanning Preview18.emi 11 Liquid Hydrated Cell 42 1.32 0.70 0.09 73 138 Scanning Preview19.emi 12 Liquid Hydrated Cell 42 1.32 0.70 0.13 191 361 Scanning Preview22.emi 13 Liquid Hydrated Cell 81 2.55 1.35 0.27 80 151 Scanning Preview12.emi 14 Liquid Hydrated Cell 81 2.55 1.35 0.28 78 147 Scanning Preview13.emi Two sequences cropped from longer video 15 Liquid Hydrated Cell 81 2.55 1.35 0.32 121 228 Scanning Preview13.emi From different areas of the sample 16 Liquid Hydrated Cell 81 2.55 1.35 0.22 78 147 Scanning Preview14.emi 17 Liquid Hydrated Cell 167 5.25 2.63 0.55 87 174 15.26.Scanning Preview.emi **Other imaging parameters contained in file metadata**