{"product_id":"20nm-gold-nanoparticles-lateral-flow-assay","title":"20 nm ''Lateral-Flow-Easy'' Gold Nanoparticles","description":"\u003ch2\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"MsoNormal\" style=\"text-align: justify;\"\u003e\u003cspan\u003eNanoBrand \u003cstrong\u003e20 nm Gold Nanoparticles “Lateral‑Flow‑Easy”\u003c\/strong\u003e are highly monodisperse nano‑spheres specifically engineered for lateral flow assays (LFAs) and other immunochromatographic formats. Their tight size distribution and optimized surface chemistry deliver high‑contrast test and control lines with minimal background, supporting robust assay development, validation, and scale‑up for diagnostic applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"text-align: justify;\"\u003e\u003cspan\u003eThese LFA‑grade gold nanoparticles combine \u003cstrong\u003eexcellent monodispersity\u003c\/strong\u003e (CoV ≤ 5% for 5nm and larger particles; PdI ≤ 0.1) with carefully tuned optical and flow properties to ensure predictable performance on nitrocellulose and other LFA membranes. Uniform size leads to consistent localized surface plasmon resonance (LSPR) and a stable, intense red color signal that is critical for visual detection, while avoiding the diffuse or inconsistent colors associated with more polydisperse colloids.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-base first:mt-0\" id=\"particle-and-surface-properties\"\u003e\u003cstrong\u003eParticle and Surface Properties:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eCore diameter 20 nm, narrow size distribution\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCoV (polydispersity): ≤ 5% (compared with CoV ≈ 12–15% commonly available)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePolydispersity index: PdI ≤ 0.1 (versus PdI ≤ 0.2 typically offered)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eLearn\u003cem\u003e \u003cspan style=\"color: rgb(38, 18, 130);\"\u003e\u003ca rel=\"noopener\" title=\"Why is monodispersity important for customers? NanoBrand Synthesis\" href=\"https:\/\/www.nanobrand.com\/blogs\/infos\/why-monodispersity-is-important\" style=\"color: rgb(38, 18, 130);\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(43, 20, 143);\"\u003eWhy is Monodispersity Important\u003c\/span\u003e.\u003c\/a\u003e\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eMorphology:\u003c\/strong\u003e \u003cstrong\u003espherical gold nanoparticles (nanospheres), no other shapes. \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSurface options: citrate‑coated formulation or PEG‑COOH (thiol‑PEG‑carboxylate).\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMatrix: reactant‑free aqueous colloidal suspension, low ionic strength\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eFind out\u003cem\u003e \u003cspan style=\"color: rgb(36, 15, 128);\"\u003e\u003ca style=\"color: rgb(36, 15, 128);\" href=\"https:\/\/www.nanobrand.com\/blogs\/infos\/why-stabilizing-agents-should-be-avoided-gold-nanoparticles\" title=\"Gold Nanoparticles in Pure Water for Reliable Surface Coating NanoBrand's synthesis advantage\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(36, 14, 134);\"\u003eWhy should Stabilizing agents be Avoided\u003c\/span\u003e.\u003c\/a\u003e\u003c\/span\u003e\u003c\/em\u003e\u003cem\u003e\u003cspan style=\"color: rgb(36, 15, 128);\"\u003e\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003e\u003cstrong\u003eOptical density and concentration: tuned for conjugation performance and membrane flow\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eSupplied with: \u003c\/strong\u003e\u003cem\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eLot-specific Certificate of Analysis\u003c\/span\u003e \u003c\/em\u003eincluding TEM images, size distribution, UV-vis spectra, PdI, hydrodynamic diameter, Zeta-potential, and relevant QC data.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cspan style=\"color: rgb(49, 23, 166);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eConsult a typical \u003c\/span\u003e\u003cspan style=\"color: rgb(34, 15, 118);\"\u003e\u003cem\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0895\/2977\/8457\/files\/CoA_example_20nm_Lateral-Flow-Easy_Gold_Nano-Spheres_OD_50_PEG5000-carboxyl.pdf?v=1752084423\" target=\"_blank\" title=\"CoA example for 20 nm Gold Nanoparticles with PEG-carboxyl surface OD=50\" rel=\"noopener\"\u003e\u003cspan style=\"color: rgb(40, 16, 148);\"\u003eCoA for 20nm Gold Nano-Spheres, PEG5K-CARB, OD=50\u003c\/span\u003e\u003c\/a\u003e and \u003cspan style=\"color: rgb(41, 16, 152);\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0895\/2977\/8457\/files\/CoA_example_20nm_Lateral-Flow-Easy_Gold_Nano-Spheres_OD_20_citrate.pdf?v=1751659458\" target=\"_blank\" title=\"CoA example for 20 nm Gold nanoparticles with Citrate surface OD=20\" style=\"color: rgb(41, 16, 152);\" rel=\"noopener\"\u003eCoA for 20nm Gold Nano-Spheres, Citrate, OD=20\u003c\/a\u003e\u003c\/span\u003e.\u003c\/em\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-base first:mt-0\" id=\"pegcarboxylate-surface-optional\"\u003e\u003cstrong\u003ePEG‑Carboxylate Surface\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\" class=\"MsoNormal\"\u003eFor PEGylated “Lateral‑Flow‑Easy” variants, PEG chains are attached via \u003cstrong\u003egold–thiol bonds\u003c\/strong\u003e, leaving terminal carboxyl groups available for covalent coupling. This highly stable coating offers excellent resistance to nonspecific protein adsorption, high‑salt and pH stability, and enables EDC\/NHS coupling to amine‑containing proteins and biomolecules for preparation of stable, covalent conjugates.\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\" class=\"MsoNormal\"\u003eLearn more about \u003cspan style=\"color: rgb(21, 29, 172);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(21, 29, 172);\" title=\"Gold Nanoparticles in Biosensing and Personalized Medicine\" href=\"https:\/\/www.nanobrand.com\/pages\/gold-nanoparticles-smart-drug-delivery-for-modern-medicine\" target=\"_blank\"\u003e\u003cem\u003eGold Nanoparticles in Biosensing and Personalized Medicine\u003c\/em\u003e\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\" id=\"advantages-in-lateral-flow-assays\"\u003e\u003cstrong\u003eAdvantages in Lateral Flow Assays:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-base first:mt-0\" id=\"consistent-optical-properties\"\u003e\u003cstrong\u003eConsistent Optical Properties\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"MsoNormal\" style=\"text-align: justify;\"\u003eMonodisperse 20 nm gold nano‑spheres exhibit uniform LSPR characteristics, resulting in a \u003cb\u003estable and predictable red color\u003c\/b\u003e on LFA test and control lines. This consistency improves readability, reduces assay‑to‑assay variability, and is particularly important for commercial diagnostic tests where visual clarity and user confidence are critical.\u003c\/p\u003e\n\u003ch3 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-base first:mt-0\" id=\"improved-sensitivity-and-limit-of-detection\"\u003e\u003cstrong\u003eImproved Sensitivity and Limit of Detection\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp style=\"text-align: justify;\" class=\"MsoNormal\"\u003eThe uniform size of these nanoparticles supports \u003cb\u003eoptimal binding efficiency\u003c\/b\u003e to antibodies, antigens, and other biomolecular recognition elements. Enhanced per‑particle signal and strong plasmonic absorption at the test line translate into improved analytical sensitivity and lower limits of detection compared with polydisperse or non‑optimized colloidal gold.\u003c\/p\u003e\n\u003ch3 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-base first:mt-0\" id=\"enhanced-reproducibility-and-flow-dynamics\"\u003e\u003cstrong\u003eEnhanced Reproducibility and Flow Dynamics\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp style=\"text-align: justify;\" class=\"MsoNormal\"\u003eHighly monodisperse particles ensure consistent conjugation with recognition elements and reproducible capillary flow through nitrocellulose membranes. This minimizes batch‑to‑batch variation in conjugate performance, reduces the risk of clogging or uneven particle distribution, and supports dependable scale‑up from R\u0026amp;D to pilot and full‑scale manufacturing.\u003c\/p\u003e\n\u003ch3 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-base first:mt-0\" id=\"high-colloidal-stability\"\u003e\u003cstrong\u003eHigh Colloidal Stability\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"MsoNormal\" style=\"text-align: justify;\"\u003eReactant‑free dispersions with controlled surface chemistry yield high colloidal stability and reduced aggregation risk. Stable particles maintain their optical properties and mobility during storage and throughout the assay, preventing false signals, flow issues, or performance drift over time.\u003c\/p\u003e\n\u003ch3 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-base first:mt-0\" id=\"tunable-size-and-surface-for-assay-optimization\"\u003e\u003cstrong\u003eTunable Size and Surface for Assay Optimization\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"MsoNormal\" style=\"text-align: justify;\"\u003eWithin the “Lateral‑Flow‑Easy” product line, gold nanoparticles can be synthesized at specific diameters and supplied with different concentrations and PEG spacer lengths. This tunability allows researchers and manufacturers to optimize signal strength, flow behavior, and conjugation strategy for particular analytes, membrane types, and assay formats.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"text-align: justify;\"\u003e\u003cspan\u003eExplore more about the \u003cem\u003e\u003cspan style=\"color: rgb(16, 25, 177);\"\u003e\u003ca href=\"https:\/\/www.nanobrand.com\/blogs\/infos\/monodispersity-and-purity-advantages-for-biosensing\" title=\"Benefits of monodisperse gold nanoparticles for LFAs.\" style=\"color: rgb(16, 25, 177);\" rel=\"noopener\" target=\"_blank\"\u003eBenefits of monodisperse gold nanoparticles for LFAs\u003c\/a\u003e\u003c\/span\u003e\u003c\/em\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\" id=\"conjugation-to-antibodies-and-proteins\"\u003e\u003cstrong\u003eConjugation to Antibodies and Proteins\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\" class=\"MsoNormal\"\u003eThe citrate surface provides a controlled starting point for passive adsorption–based conjugation, with pH‑dependent binding optimized to support consistent antibody orientation and surface coverage. PEG‑COOH surfaces, in turn, enable covalent attachment of amine‑containing biomolecules via EDC\/NHS chemistry, giving users flexibility to select the conjugation approach that best fits their LFA design, stability requirements, and regulatory strategy.\u003c\/p\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\" id=\"manufacturing-and-scaleup-consistency\"\u003e\u003cstrong\u003eManufacturing and Scale‑Up Consistency\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\" class=\"MsoNormal\"\u003e“Lateral‑Flow‑Easy” 80 nm gold nanoparticles are manufactured under tightly controlled synthesis and quality‑control procedures, including routine measurement of CoV, PdI, hydrodynamic diameter, Zeta potential, and other characteristic parameters. This high level of reproducibility simplifies technology transfer from research to commercial manufacturing and reduces the need to re‑optimize conjugation, blocking, or strip‑coating parameters when changing lots or scaling up production.\u003c\/p\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\" id=\"storage-and-expiration\"\u003e\u003cstrong\u003eStorage and Expiration\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\" class=\"MsoNormal\"\u003e\u003cb\u003e- Citrate‑coated “Lateral‑Flow‑Easy” nanoparticles\u003c\/b\u003e: store at 4–25 °C, protected from light. Do not freeze. Shake or gently invert the bottle before use.\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\" class=\"MsoNormal\"\u003e\u003cb\u003e- PEG‑COOH “Lateral‑Flow‑Easy” nanoparticles\u003c\/b\u003e: store at 2–8 °C, protected from light. Do not freeze. Shake or gently invert before use.\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\" class=\"MsoNormal\"\u003eProducts can typically be used for at least one year under recommended storage conditions. For extended storage, measuring UV‑Vis spectra is recommended to confirm colloidal and optical stability. Storage at the lower end of the temperature range is preferable to maximize shelf life.\u003c\/p\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\" id=\"safety-and-handling\"\u003e\u003cstrong\u003eSafety and Handling\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"MsoNormal\" style=\"text-align: justify;\"\u003eNanoBrand does not guarantee the suitability of its products for any particular application. It is the customer’s responsibility to ensure that the product is appropriate and permitted for the intended use, in accordance with applicable regulations and internal quality systems. Please consult our\u003ci\u003e \u003cspan style=\"color: rgb(15, 15, 138);\"\u003e\u003ca href=\"https:\/\/www.nanobrand.com\/policies\/terms-of-service\" title=\"NanoBrand Terms of Service\" style=\"color: rgb(15, 15, 138);\" target=\"_blank\"\u003eTerms of Service\u003c\/a\u003e\u003c\/span\u003e\u003c\/i\u003e and follow institutional guidelines for the safe handling and disposal of nanomaterials.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"text-align: justify;\"\u003eFor \u003cb\u003e“Lateral‑Flow‑Easy” gold nanoparticle products\u003c\/b\u003e, customized diameters, concentrations, and PEG spacer sizes are available on request to support assay optimization, OEM production, and private‑label diagnostic development.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"text-align: justify;\"\u003eGo back to\u003cem\u003e \u003cspan style=\"color: rgb(33, 15, 149);\"\u003e\u003ca style=\"color: rgb(33, 15, 149);\" href=\"https:\/\/www.nanobrand.com\/collections\/lateral-flow-easy-lfa-gold-nano-spheres\" rel=\"noopener\" title=\"Gold Nanoparticles for Lateral Flow Assays - Lateral-Flow-Easy Series\" target=\"_blank\"\u003eGold Nanoparticles for Lateral Flow Assays\u003c\/a\u003e.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"text-align: justify;\"\u003eDiscover\u003cem\u003e \u003cspan style=\"color: rgb(43, 19, 150);\"\u003e\u003ca style=\"color: rgb(43, 19, 150);\" rel=\"noopener\" href=\"https:\/\/www.nanobrand.com\/collections\/gold-nanoparticles-citrate-surface\" title=\"Gold Nanoparticles - Spherical, Citrate Surface\" target=\"_blank\"\u003eGold Nanoparticles - Spherical, Citrate Surface\u003c\/a\u003e\u003c\/span\u003e\u003c\/em\u003e\u003cspan style=\"color: rgb(33, 15, 149);\"\u003e\u003cem\u003e \u003c\/em\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eand\u003c\/span\u003e\u003cem\u003e \u003ca style=\"color: rgb(33, 15, 149);\" href=\"https:\/\/www.nanobrand.com\/collections\/gold-nanostars\" rel=\"noopener\" title=\"Gold Nanostars\" target=\"_blank\"\u003eGold Nanostars.\u003c\/a\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\" class=\"MsoNormal\"\u003e\u003cspan lang=\"EN-CA\" style=\"mso-ansi-language: EN-CA;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0895\/2977\/8457\/files\/all_particles_free_of_final.png?v=1753887881\"\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"NanoBrand","offers":[{"title":"PEG5000-COOH \/ 20 \/ 1 ml","offer_id":50149045043481,"sku":"NB-GSPLF-20-5CARB-20-1","price":242.0,"currency_code":"USD","in_stock":true},{"title":"PEG5000-COOH \/ 20 \/ 2 ml","offer_id":50149045076249,"sku":"NB-GSPLF-20-5CARB-20-2","price":385.0,"currency_code":"USD","in_stock":true},{"title":"PEG5000-COOH \/ 20 \/ 3 ml","offer_id":51107051405593,"sku":"NB-GSPLF-20-5CARB-20-3","price":510.0,"currency_code":"USD","in_stock":true},{"title":"PEG5000-COOH \/ 20 \/ 5 ml","offer_id":50149045109017,"sku":"NB-GSPLF-20-5CARB-20-5","price":704.0,"currency_code":"USD","in_stock":true},{"title":"PEG5000-COOH \/ 20 \/ 10 ml","offer_id":50149045141785,"sku":"NB-GSPLF-20-5CARB-20-10","price":1195.0,"currency_code":"USD","in_stock":true},{"title":"PEG5000-COOH \/ 20 \/ 20 ml","offer_id":50149045174553,"sku":"NB-GSPLF-20-5CARB-20-20","price":1880.0,"currency_code":"USD","in_stock":true},{"title":"PEG5000-COOH \/ 20 \/ 30 ml","offer_id":50149045207321,"sku":"NB-GSPLF-20-5CARB-20-30","price":2310.0,"currency_code":"USD","in_stock":true},{"title":"PEG5000-COOH \/ 50 \/ 0.5 ml","offer_id":50149045240089,"sku":"NB-GSPLF-20-5CARB-50-0.5","price":320.0,"currency_code":"USD","in_stock":true},{"title":"PEG5000-COOH \/ 50 \/ 1 ml","offer_id":50149045272857,"sku":"NB-GSPLF-20-5CARB-50-1","price":605.0,"currency_code":"USD","in_stock":true},{"title":"PEG5000-COOH \/ 50 \/ 2 ml","offer_id":50149045305625,"sku":"NB-GSPLF-20-5CARB-50-2","price":960.0,"currency_code":"USD","in_stock":true},{"title":"PEG5000-COOH \/ 50 \/ 3 ml","offer_id":51107051438361,"sku":"NB-GSPLF-20-5CARB-50-3","price":1230.0,"currency_code":"USD","in_stock":true},{"title":"PEG5000-COOH \/ 50 \/ 5 ml","offer_id":50149045338393,"sku":"NB-GSPLF-20-5CARB-50-5","price":1770.0,"currency_code":"USD","in_stock":true},{"title":"PEG5000-COOH \/ 50 \/ 10 ml","offer_id":50149045371161,"sku":"NB-GSPLF-20-5CARB-50-10","price":2990.0,"currency_code":"USD","in_stock":true},{"title":"Citrate \/ 20 \/ 1 ml","offer_id":50149046649113,"sku":"NB-GSPLF-20-CIT-20-1","price":231.0,"currency_code":"USD","in_stock":true},{"title":"Citrate \/ 20 \/ 2 ml","offer_id":50149046681881,"sku":"NB-GSPLF-20-CIT-20-2","price":368.0,"currency_code":"USD","in_stock":true},{"title":"Citrate \/ 20 \/ 5 ml","offer_id":50149046714649,"sku":"NB-GSPLF-20-CIT-20-5","price":672.0,"currency_code":"USD","in_stock":true},{"title":"Citrate \/ 20 \/ 10 ml","offer_id":50149046747417,"sku":"NB-GSPLF-20-CIT-20-10","price":1145.0,"currency_code":"USD","in_stock":true},{"title":"Citrate \/ 20 \/ 20 ml","offer_id":50149046780185,"sku":"NB-GSPLF-20-CIT-20-20","price":1794.0,"currency_code":"USD","in_stock":true},{"title":"Citrate \/ 20 \/ 30 ml","offer_id":50149046812953,"sku":"NB-GSPLF-20-CIT-20-30","price":2205.0,"currency_code":"USD","in_stock":true},{"title":"Citrate \/ 20 \/ 60 ml","offer_id":50149054021913,"sku":"NB-GSPLF-20-CIT-20-60","price":3581.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0895\/2977\/8457\/files\/20nm-PEG-gold-nanoparticles-tem-closeup.png?v=1777479784","url":"https:\/\/www.nanobrand.com\/products\/20nm-gold-nanoparticles-lateral-flow-assay","provider":"NanoBrand ","version":"1.0","type":"link"}