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Without the addition of APTES, the gold nanoparticle solution is relatively mono dispersed and maintains an optical absorbance of about 500 nm Size:24*250 ML BEST SELLERS SPECIAL SALE RETATRUTIDE + CAGRILINTIDE – Research Peptide | American Peptides https://i.ebayimg.com/images/g/zQgAAOSwsYhjm40Q/s-l1200.png
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