Correction to: Flexible electrostatic hydrogels from marine organism for nitric oxide-enhanced photodynamic therapy against multidrug-resistant bacterial infection

• • The original article (vol. 65, issue 10, 2022, p. 2850) reported flexible electrostatic hydrogels from marine organisms for NO-enhanced photodynamic therapy; the correction does not alter any quantitative results or conclusions. • • The correction specifically addresses the erroneous placement of Fig. 4b3 during figure reorganization; the corrected figure is now available, ensuring accurate data interpretation for readers. • • The correction was processed with a rapid turnaround: received 6 January 2026, accepted 8 January 2026, and published online 10 February 2026, reflecting efficient editorial handling. • • The authors and editorial board confirm that the scientific content, including all numerical data and figure captions, remains unchanged, preserving the validity of the original findings.