fig10

Figure 10. CSSEs preparation method (A) Solution casting method^[231]. Reproduced from Ref.^[231] with permission. Copyright 2022 Springer Nature. (B) Electrostatic spinning method^[95]. Reproduced from Ref.^[95] with permission. Copyright 2016, PNAS. (C) 3D printing method^[235]. Reproduced from Ref.^[237] with permission. Copyright 2019, American Chemical Society. (D) Template method^[238]. Reproduced from Ref.^[238] with permission. Copyright 2018, Royal Society of Chemistry.