90nm Gold NanoUrchins
https://www.matrix-bio.com/shop/gu-90-20-100-ml-90nm-gold-nanourchins-17108
https://www.matrix-bio.com/web/image/product.template/17108/image_1920?unique=b238594
High-quality for use in scientific research, chemical synthesis, and laboratory applications. Available in GU-90-20-100 ml size. CAS: Unknown
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