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Precise characterization of crosslinking kinetics is therefore essential for optimizing biopolymers specifically for 3D bioprinting applications and elucidating molecular\u2010level biomaterial processes. Additionally, understanding side reactions during photocuring is vital to control potential contamination in bioscaffold fabrication. This study utilizes nuclear magnetic resonance (NMR) spectroscopy as a rapid, reliable approach to monitor crosslinking kinetics by quantifying methacrylic group conversion, providing deeper insights into the crosslinking process and ensuring more reproducible and reliable outcomes. A comprehensive kinetic analysis distinguishes intra\u2010 and intermolecular crosslinking mechanisms through assessment of photoinitiator activation and by\u2010product formation. Furthermore, NMR spectroscopy quantifies photoinitiator degradation products generated during photocuring. This investigation systematically examines the influence of photocrosslinking parameters\u2014UV\u2010visible light power and wavelength, prepolymer concentration, and photoinitiator concentration\u2014on scaffold molecular organization. Results indicate significant variability in scaffold properties contingent upon the applied crosslinking conditions, emphasizing their importance in controlled polymerization environments. These mechanistic insights underline the practical relevance and application potential of the study, significantly advancing biomaterial performance, reproducibility, and biological safety, particularly in translational and implementation\u2010focused research.<\/jats:p>","DOI":"10.1002\/adhm.202403270","type":"journal-article","created":{"date-parts":[[2025,6,27]],"date-time":"2025-06-27T01:59:41Z","timestamp":1750989581000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["NMR\u2010Based Crosslinking Kinetics in Methacrylated Biopolymers: Toward Optimized Biomaterials for Tissue Engineering and Enhanced Biological Safety"],"prefix":"10.1002","volume":"14","author":[{"given":"Agnieszka","family":"Zakrzewska","sequence":"first","affiliation":[{"name":"Polbionica Sp. z o.o. 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