AUTHOR=Song Siyu , Sun Xirao , Wang Yanfu , Wang Meng , Shi Zheng , Sun Danfang , Li Dan , Chen Jianduo , Wang Chengyue TITLE=Sodium alginate hydrogel loaded with upconversion nanoparticles and magnesium ions enhances bone regeneration and photodynamic tumor therapy JOURNAL=Frontiers in Pharmacology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2025.1543678 DOI=10.3389/fphar.2025.1543678 ISSN=1663-9812