Please note: We will be conducting our annual physical inventory counts on September 28 & 29. Processing times will not be affected but shipping times may be delayed due to this. Thank you for your attention to this and we look forward to continuing to serve you.
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❮ BioReady: Conjugation-Ready

BioReady Gold Nanospheres – NHS (Dried Kit)

NHS-activated 40 nm gold is provided dried with conjugation kit components that make initial conjugation sweeps easy – no EDC/NHS activation required, just add purified antibody and follow our simple protocol (below).

BioReady products are specially formulated for the attachment of a molecular recognition element such as an antibody for lateral flow and biodiagnostics. Learn more ❯

Kit includes:

  • Lyophilized gold nanospheres that reconstitute to 20 OD; 50 µL per small unit and 500 µL per large unit
  • Easy-to-use detailed protocol (also available below to view before you buy)
  • Desalting buffer for antibody, reaction buffer, quencher, and conjugate diluent
  • Amicon® Ultra .5 mL spin filters for antibody buffer exchange/desalt

Small reaction kits generally require approximately 2 µg of purified antibody per unit, while the large reaction kit generally requires approximately 25 µg of purified antibody per unit.


Materials are shipped ambient. Store with desiccant at –20°C upon receipt. Avoid freeze-thaw cycles.

Don’t see the size you’re looking for? Please contact us about custom and semi-custom ordering.

Kit Size

Bulk purchasing options are available – please contact us if you are interested

Typically ships within 5 business days

Product number: AUNR40-3SRF

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Specifications & CoA

TEM Diameter Size Distribution (CV) Example Certificate of Analysis
(How do I read this?)
40 nm ± 4 nm ≤ 15% Download Example CoA

Note: approximate ranges below are dependent on diameter

  • Particle surface: NHS
  • Particle form: powder
  • Peak wavelength (λmax), upon resuspension: 520 to 530 nm

More Info & Documentation


nanoComposix University

AUNR 40nm

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