Polyphenol derived bioactive carbon quantum dots incorporated multifunctional hydrogel as oxidative stress attenuator for antiaging and in vivo wound-healing applications Md Moniruzzaman, Sayan Deb Dutta, Jin Hexiu, Keya Ganguly, Ki Taek Lim and Jongsung Kim Abstract Upregulation of certain enzymes, such as collagenase, tyrosinase, and elastase, is triggered by several extrinsic environmental factors, such as temperature, UV radiation, humidity, and stress, and leads to elasticity loss and...