AUTHOR=Khan Adeel , Khan Haroon , He Nongyue , Li Zhiyang , Alyahya Heba Khalil , Bin Jardan Yousef A. TITLE=Colorimetric aptasensor coupled with a deep-learning-powered smartphone app for programmed death ligand-1 expressing extracellular vesicles JOURNAL=Frontiers in Immunology VOLUME=15 YEAR=2025 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2024.1479403 DOI=10.3389/fimmu.2024.1479403 ISSN=1664-3224