AUTHOR=Fu Zeyu , Qu Yingwei , Wu Yinghao , Xu Yuan , Zhang Hengdi , Tang Yaozong , Jin Ziying , Zhao Jia , Tan Chang TITLE=Piezoelectric poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) (PHBHHx) microspheres for collagen regeneration and skin rejuvenation JOURNAL=Frontiers in Bioengineering and Biotechnology VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/bioengineering-and-biotechnology/articles/10.3389/fbioe.2025.1554825 DOI=10.3389/fbioe.2025.1554825 ISSN=2296-4185