Use trisodium citric acid deoxidization to prepare colloidal gold, and then it was coupled with rabbit polyclonal antibody of Xac04 pathogen, to produce the fast reagent strip of CGIA.

• 采用柠檬酸三钠还原法制备胶体金颗粒，标记柑橘溃疡病菌多克隆抗体，制成免疫速测卡。