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Limited Edition 80nm Carboxyl (carboxyl-peg5000-sh) Gold Nanourchins Save 85% Now [zJGe4uNU]

$51.99 $166.99 -69%

Composition: Carboxyl (carboxyl-PEG-thiol, 5kDa) Gold NanoUrchinsCore Size: 80nmAbsorption max: 620nmOptical Density (OD): 50Particles per ml: 3.9E+11Carboxyl Surface Density: ~1/nm2Formulation: Supplied in USP grade purified water Properties Cytodia

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Limited Edition 80nm Carboxyl (carboxyl-peg5000-sh) Gold Nanourchins Save 85% Now [zJGe4uNU]

Composition: Carboxyl (carboxyl-PEG-thiol, 5kDa) Gold NanoUrchins

Core Size: 80nm

Absorption max: 620nm

Optical Density (OD): 50

Particles per ml: 3.9E+11

Carboxyl Surface Density: ~1/nm2

Formulation: Supplied in USP grade purified water 

Properties 

Cytodiagnostics PEGylated Gold NanoUrchins with carboxyl functional groups are made using a unique proprietary protocol resulting in particles with superior size distribution and shape compared to the leading competitor and are ideal for development of covalent gold nanourchin conjugates. 

The carboxyl functionalized gold surface allows for covalent conjugation of antibodies, proteins and other ligands using standard EDC/NHS coupling chemistry.   

Low batch to batch variability (+/- 3nm) assures you as a customer always end up with a product within the specified size range ordered.

All of our batches go through stringent quality control prior to shipment to our customers using dynamic light scattering to guarantee size and monodispersity and lot specifications are supplied with each product.

Storage

Store product away from direct sunlight at 4°C. Do NOT freeze. When stored as specified the product is stable for at least twelve months.

Product Data

80nm Gold NanoUrchins Spectrum

Diameter  Peak SPR Wavelength (nm) NPS/ml* Wt. Conc. (mg/ml)* Molar Ext. (M-1cm-1) Size Dispersity (+/-nm) Particle Volume (nm3) Surface Area (nm2) Surface/Volume Ratio Particle Mass (g) Molar Mass (g/mol) Molar Concentration*
80 620 7.82E+09 4.06E-02 7.70E+10 <10% 2.68E+05 2.01E+04 0.075 5.20E-15 3.13E+09 1.30E-11

* All concentrations as indicated at an optical density of 1 (OD=1, i.e. absorbance at peak SPR wavelength with a 1cm pathlength)

 

Product Sheet & SDS

 Product Sheet

 Safety Data Sheet (SDS)

QC Conjugation Kit - Product Sheet


What Our Customers Say

January 19, 2026

Absolutely no complaints!

An amazing piece of kit for the price.

- Aloysius P..

January 19, 2026

Absolutely no complaints!

It's a very good quality, solid product.

- Zilla T..

January 19, 2026

Absolutely no complaints!

It's a very good tool. I love using it.

- Kendra T..

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