{"product_id":"90nm-carboxyl-carboxyl-peg5000-sh-gold-nanourchins","title":"90nm Carboxyl (carboxyl-PEG5000-SH) Gold NanoUrchins","description":"\u003cp\u003eFor laboratories developing nanoparticle conjugation and protein labeling, the 90 nm carboxyl-PEG Gold NanoUrchins format provides a defined material option for online scientific purchasing and product selection.\u003c\/p\u003e\n\u003cp\u003eGold NanoUrchins use a spiky gold morphology rather than a smooth spherical surface. This uneven surface is relevant to plasmonic workflows because it is associated with far-red optical absorption and enhanced electromagnetic fields at protrusions, which supports SERS and LSPR applications when those are listed.\u003c\/p\u003e\n\u003cp\u003eThe carboxyl-functionalized surface is used for covalent bioconjugation strategies, including protein or ligand coupling where the product data supports conjugation workflows. It provides a chemically addressable nanoparticle surface for preparing custom probes.\u003c\/p\u003e\n\u003cp\u003eThe separate specification fields should be used for exact concentration, particle count, optical density, formulation and storage values. This description focuses on product identity, application relevance and selection guidance.\u003c\/p\u003e\n\u003cp\u003eThe application profile includes nanoparticle conjugation and protein labeling. These terms reflect the supported scientific workflows for this listing and help scientists compare related products by use case, not by material alone.\u003c\/p\u003e\n\u003cp\u003eThis mid-to-large nanoparticle size can be useful when stronger optical contrast or more particle surface area is desired. Compared with smooth spherical gold nanoparticles, Gold NanoUrchins should be selected when the spiky morphology and supported SERS or LSPR application profile are relevant.\u003c\/p\u003e\n\u003cp\u003eFor Gold NanoUrchin workflows, compare unmodified, biotin, carboxyl and methoxy-PEG versions according to whether the assay needs plasmonic signal, streptavidin binding, covalent coupling or a reduced-binding control surface.\u003c\/p\u003e\n\u003cp\u003eFor procurement and product selection, compare this item with related entries by material, size, surface chemistry, formulation and the application terms shown in the product data rather than by product name alone.\u003c\/p\u003e\n\u003ch3\u003eApplication areas\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eNanoparticle conjugation with supported proteins, ligands or biomolecules\u003c\/li\u003e\n  \u003cli\u003eProtein labeling and protein-nanoparticle conjugate preparation\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cytodiagnostics","offers":[{"title":"0.5 ml","offer_id":58053286855001,"sku":"GUC5K-90-25","price":255.0,"currency_code":"EUR","in_stock":true},{"title":"1 ml","offer_id":58053286887769,"sku":"GUC5K-90-50","price":445.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0923\/1011\/0553\/files\/100nm-Functionalized-Gold-NanoUrchins_481779ae-923f-4453-9ec3-ee9e72c09a86.jpg?v=1778675686","url":"https:\/\/absource-diagnostics.myshopify.com\/products\/90nm-carboxyl-carboxyl-peg5000-sh-gold-nanourchins","provider":"Absource Diagnostics","version":"1.0","type":"link"}