TOC图制作指南：期刊目录图与摘要图如何快速生成（2026）

[主要主题] + [科学背景] + [视觉风格] + [技术规格]

Graphical abstract showing CRISPR-Cas9 gene editing mechanism,
DNA double helix being cut by Cas9 protein scissors,
guide RNA highlighted in blue, target sequence in red,
clean white background, minimal design,
4:3 landscape format, scientific illustration style,
suitable for Nature journal TOC graphic

Organic synthesis TOC graphic showing retrosynthetic analysis,
target molecule center with disconnection arrows,
key building blocks labeled with prices,
reaction conditions "Pd catalyst, 80°C, 12h",
yield percentage "92% yield" highlighted,
clean white background, chemistry journal style

Cell signaling pathway TOC graphic,
receptor activation to gene expression cascade,
membrane receptor, kinase cascade, transcription factors,
key proteins labeled "RTK, RAS, MAPK, ERK",
nucleus with DNA and mRNA output,
cell biology journal style, 4:3 format

Nanomaterial synthesis and application TOC graphic,
left: synthesis process with precursors,
center: nanoparticle structure with size "50 nm",
right: application in solar cell,
efficiency improvement "η = 23.5%",
materials science journal format