Adhesive cryogel particles for bridging confined and irregular tissue defects.

"Declarations Ethics approval and consent to participateAll studies in animals were approved by Institutional Animal Care and Use Committee of Zhejiang University (#ZJU20220181) and postoperative care were supervised by the staffs in the Animal Experimental Center of Sir Run-Run Shaw Hospital, Zhejiang University. Consent for publicationNot applicable. Competing interestsThe authors declare that they have no competing interests. Competing interests The authors declare that they have no competing interests."

"Funding This work was supported by the National Natural Science Foundation of China (12102388, T2125009, 92048302), the National Key Research and Development Program of China 2017 (YFA0701100), and Fundamental Research Funds for the Central Universities (226-2022-00141, 2022QZJH52)."