3Frens G,Controlled nucleation for the regulation of particle size in monodisperse gold suspension[J]. Nature Phy Sci, 1973,241 (105) :20-22.
4Horisbeger M, Rossel J. Colloidal gold, a useful marker for transmission and scanning electron microscopy [J]. J Histochem Cytochem, 1977,25(4): 295-305.