Sequentially assembled co-delivery nanoplatform of SIRT1 protein and SOX9-expressing plasmid for multipronged therapy of intervertebral disc degeneration | Journal of Nanobiotechnologybig tee tech hubMay 11, 2025 MaterialsAmine-terminated G5 PAMAM was purchased from Weihai Chenyuan Molecular New Material Co., Ltd. (Shandong, China). 4-(Bromomethyl)phenylboronic acid (PBA), gelatin, N-hydroxysuccinimide…