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(a) Preparation of mesoporous silica nanoparticles (MSN) by FNP. (Reprinted with permission from Ref. [109]. 2020, Elsevier.) (b) Integrated CIJ system for ammonium perchlorate (AP) particle production. (Reprinted with permission from Ref. [110]. 2019, Elsevier.) (Remade in BioRender.com).
