Protein G - 40nm Gold ConjugateGold nanoparticle core size: 40nm Absorbance (lambda max.): 530nm Optical density: Available at OD=3 and OD=10, select in product options Conjugated protein: Protein G from Streptococcus sp. (expressed in E. coli) Working dilution: 1: 5 1: 100 Supplied in: 1XPBS (pH 7. 4), 20% glycerol (v v), 1% BSA Applications Gold conjugates are suitable for use in immunoblotting, light microscopy, and electron microscopy applications. Advantages of Gold Conjugates