▎ 摘　　要

NOVELTY - An oxidation graphene gold nano-rod composite nano-material preparing method involves choosing colloidal gold nano-particles, adding silver ion with cetyl hexadecyl trimethyl ammonium bromide surface active agent, preparing oxidation graphite alkene solution, performing diluted hydrochloric acid neutralization reaction, performing base rest positive ion exchange process, preparing oxidation grapheme, performing centrifugal separation process to remove non-reacted substance and dispersing the non-reacted substance to obtain mono-oxidation graphene gold nano-rod composite nano-material. USE - Method for preparing graphene oxidation gold nano-rod composite nano-material. ADVANTAGE - The method enables preparing oxidation graphene gold nano-rod composite nano-material with improved operability and reproducibility, better dispersibility, better stability and better biological detection effect. DETAILED DESCRIPTION - An oxidation graphene gold nano-rod composite nano-material preparing method involves choosing colloidal gold nano-particles as nucleation sites, adding silver ion, ascorbic acid solution and chloroauric acid solution with cetyl hexadecyl trimethyl ammonium bromide surface active agent, synthesizing multi-length diameter ratio gold nano-rod, preparing oxidation graphite alkene solution, sodium hydroxide and chlorine acetic acid sodium, performing diluted hydrochloric acid neutralization reaction, separating and purifying base rest after neutralization reaction, performing base rest positive ion exchange process, preparing oxidation grapheme, graphene oxide, 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride-N-hydroxysuccinimide-activated carboxy group, hydrosulfonyl acetic ammonia and thiolated oxidized graphite alkene, mixing gold-nano rod with the thiolated oxidized graphite alkene to perform standing reaction, performing centrifugal separation process to remove non-reacted substance and dispersing the non-reacted substance by deionized water to obtain uniform mono-oxidation graphene gold nano-rod composite nano-material.