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However, the fixation approaches onto the tissue through suture or phototriggered reaction inevitably cause new tissue damage. Herein, a paintable hydrogel is constructed based on Fe<jats:sup>3+<\/jats:sup>\u2010triggered simultaneous polymerization of covalently linked pyrrole and dopamine in the hyperbranched chains where the in situ formed conductive polypyrrole also uniquely serves to crosslink network. This conductive and adhesive hydrogel can be conveniently painted as a patch onto the heart surface without adverse liquid leakage. The functional patch whose conductivity is equivalent to that of normal myocardium is strongly bonded to the beating heart within 4 weeks, accordingly efficiently boosting the transmission of electrophysiological signals. Eventually, the reconstruction of cardiac function and revascularization of the infarct myocardium are remarkably improved. The translatable suture\u2010free strategy reported in this work is promising to address the human clinical challenges in cardiac tissue engineering.<\/jats:p>","DOI":"10.1002\/adma.201704235","type":"journal-article","created":{"date-parts":[[2018,4,24]],"date-time":"2018-04-24T03:51:08Z","timestamp":1524541868000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":451,"title":["Paintable and Rapidly Bondable Conductive Hydrogels as Therapeutic Cardiac Patches"],"prefix":"10.1002","volume":"30","author":[{"given":"Shuang","family":"Liang","sequence":"first","affiliation":[{"name":"School of Materials Science and Engineering Tianjin Key Laboratory of Composite and Functional Materials Tianjin University  Tianjin 300072 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yinyu","family":"Zhang","sequence":"additional","affiliation":[{"name":"School of Materials Science and Engineering Tianjin Key Laboratory of Composite and Functional Materials Tianjin University  Tianjin 300072 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hongbo","family":"Wang","sequence":"additional","affiliation":[{"name":"School of Materials Science and Engineering Tianjin Key Laboratory of Composite and Functional Materials Tianjin University  Tianjin 300072 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ziyang","family":"Xu","sequence":"additional","affiliation":[{"name":"School of Materials Science and Engineering Tianjin Key Laboratory of Composite and Functional Materials Tianjin University  Tianjin 300072 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jingrui","family":"Chen","sequence":"additional","affiliation":[{"name":"Research Center of Traditional Chinese Medicine Tianjin University of Traditional Chinese Medicine  Tianjin 300193 P. 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