扁平化手绘风科研实验分析场景插画素材

Flat 2D vector scientific mind map, BioRender-style, minimalistic, clean layout, white background, simplified icons, no 3D, no photorealism. Mind map summarizing experimental design of the study. Central node: Imidazole Propionate (ImP). Branch 1: Gut microbiome analysis and ImP-producing bacteria. Branch 2: Mouse models including type 2 diabetes, germ-free mice, and bacterial colonization. Branch 3: Measurement of systemic and brain ImP levels. Branch 4: Hypothalamic neuronal and molecular analysis. Branch 5: Behavioral tests for stress-related phenotypes. Branch 6: Human cohort and brain imaging associations. Clear arrows and labels, publication-ready schematic. Negative prompt: realistic, artistic, cartoon, decorative elements, excessive text