We now have available a special grade of immunogold for use in diagnostic test systems. These Bioassay Grade products are 40nm particles conjugated for use in 1 step and 2 step systems. These particles are designed for maximum sensitivity with long term stability and low background. They are available in bulk quantities (liters) for direct application to solid phase devices or for private label. Additional savings are available for supply contracts. Please inquire. Prices subject to change without notice. Custom Gold Conjugation quoted on request. 

BULK QUOTED UPON REQUEST