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Gold Conjugation Kit for Lateral Flow·

nanoComposix Gold Conjugation Kit offers the advantage of covalent binding in two different gold sizes – 40 nm and 80 nm – to quickly screen and optimize gold conjugates for robust, high-performing lateral flow assays.

This kit eliminates the need to pre-screen and validate critical reagents and supplies to ensure your best chance of success. Kit components include:

  • BioReady carboxyl 40 nm or 80 nm gold particles, 20 OD
  • Desalting column for removal of interfering reagents (NaCl, azide, tris, glycine)
  • EDC and Sulfo-NHS
  • All buffers necessary to complete the conjugation
  • Step-by-step conjugation procedure and optimization
  • New: Complementary 2 hours of technical and assay development support

No experience needed! Our kit is the optimal solution for conjugation experts and anyone new to lateral flow looking to improve existing tests or develop the next novel LF assays.


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Product number: AUZR40-10M

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Specifications & CoA

TEM Diameter Size Distribution (CV) Example Certificate of Analysis
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40 nm ± 4 nm ≤ 15% Download Example CoA
80 nm ± 5 nm ≤ 15% Download Example CoA

Note: approximate ranges below are dependent on diameter

  • Hydrodynamic diameter (DLS): TEM diameter plus 0 to 30 nm
  • Zeta potential: –25 to –80 mV
  • pH of solution: 5.5 to 7.0
  • Particle surface: PEG12-carboxylic acid
  • Solvent: Milli-Q water
  • Peak wavelength (λmax): 525 to 545 nm

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