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Figure 1
Centered pixel-size distributions by nominal magnification and specimen type. Box plots show the distribution of calibrated pixel sizes (after subtracting the nominal value; dashed line) for gold (blue) and GO (red) across five magnification settings on (a) Titan Krios G3 and (b) Talos Arctica G2 microscopes. (c) Bland–Altman comparison of GO and gold calibrations expressed as percentage of nominal. Bias is −0.005% of nominal; 95% LoA are [−0.30%, +0.29%].

Journal logoSTRUCTURAL BIOLOGY
COMMUNICATIONS
ISSN: 2053-230X
Volume 82| Part 8| August 2026| Pages 283-288
https://doi.org/10.1107/S2053230X26006308