Original ResearchPublished 25 September 2026Differential toxicity of water- and DMSO-extractable PM2.5 fractions in human alveolar organoidsShasha Yu · Shangyao Liu · Jiajie Pan · Xinyang Guo · Shuyang Dai · Shaopeng Chen · Jie MaFrontiers in Toxicologydoi 10.3389/ftox.2026.1943932