Fig. 9

Physical stimuli-responsive DNA hydrogel in the application of cardiac tissue regeneration. A Schematic representation of conductive DNA hydrogel formation. B Evaluation of heart functions (4 weeks), representative ECHO images. C QRS intervals observed by ECG. D Quantitive analysis of Changes of EF, FS, ESV, and EDV evaluated by ECHO. E Representative ECG of various groups. F Evaluation of cardiac structure by Masson's trichrome staining. G Sirius red staining (UP and Down) of the left ventricle (28 days), after treatments, and the representative immunofluorescent staining images of α-Actinin. H Quantitative analysis of LV thickness [177]