Figure 2
Ice contamination upon devitrification for 5–6 s at −105°C. The image on the left shows a Quantifoil R2/2 foil hole. The image on the right shows another foil hole at higher magnification, with alcohol oxidase against a background of contaminating ice crystals. Fourier transforms of manually picked particles revealed that the aqueous film around the particles in this image had not devitrified. |