Ngwaahịa

N'akwụkwọ a, e mepụtala pH-inductive protein-scaffold biosynthesis nke udi-tunable crystalline gold nanoparticles na ọnụ ụlọ okpomọkụ.Site na iji nhịahụ dị mfe nke pH nke mmeghachi omume mmeghachi omume, enwere ike imepụta nanoparticles ọla edo anisotropic gụnyere spheres, triangles na cubes site na itinye ngwọta mmiri nke sodium tetrachloroaurate na Dolichomitriopsis diversiformis biomasses mgbe imikpu n'ime mmiri ultrapure millipore n'otu abalị.Protein moss nwere ihe dị ka 71 kDa na pI nke 4.9 bụ ihe bụ isi biomolecule tinyere na biosynthesis nke nanoparticles ọla edo.Nhazi nke abụọ nke ndị na-edozi ahụ site na ụdịdị CD dị iche iche na-egosi na protein moss nwere ike igosipụta nhazi nke abụọ dị iche iche gụnyere random coil, α-helix na ngbanwe etiti n'etiti random coil na α-helix maka ngwọta pH nnwale.Usoro uto nke ọla edo nanoparticles gosikwara na protein moss nwere nhazi dị iche iche nyere template sc affold maka biosynthesis na-achịkwa udi nke nanoparticles ọla edo.Otú ọ dị, ụdị mmachi nke ọla edo nanoparticles, kwụsịrị n'ime mpempe akpaetu sie.E wughachiri ihe ndị ahụ nanoparticle ọla edo nwere ụdị ọdịdị dị mma nke ọma site na iji protein moss sachara site na nanoparticles ọla edo.Nhazi nhazi nke SEM, TEM na SAED gosiri na triangular na cubic gold nanoparticles bụ otu crystalline.