Submit figures, diagrams and images as separate files in addition to the manuscript. Cite and number each figure sequentially, use logical names such as Figure_1, and supply captions for every visual element. Text graphics may be embedded in appropriate manuscript locations.
Accepted artwork formats
- Vector graphics: EPS or PDF, with fonts embedded or text converted to outlines.
- Colour or grayscale photographs: TIFF, JPG or PNG at a minimum of 300 dpi.
- Line drawings: TIFF, JPG or PNG at 1000 dpi.
- Combined line/halftone images: TIFF, JPG or PNG at 500 dpi.
- Do not use low-resolution images or formats optimised for screen use.
Generative AI in visual content
The creation or alteration of images using generative AI or AI-assisted tools is not permitted. The exception is when generation is integral to the research method, such as biomedical imaging; in that case, disclose the tool name, version and parameters. AI-generated figures or graphical abstracts are not allowed. Cover-art exceptions require prior editorial approval and rights clearance.