Dyed Microspheres

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Dyed Polymers

Visibly dyed microspheres are frequently used in lateral flow tests and "latex" agglutination tests. Our polystrene microspheres are impregnated with vibrant dyes for optimal visualization. See our color palette for a representation of our standard colors.

Our non-functionalized microspheres are suitable for coating with antibody or other large proteins via adsorption. See TechNote 204, Adsorption to Microspheres, for a general adsorption protocol. These visibly dyed microspheres are supplied as a 5% solids suspension (50mg/mL) and are available in four standard volumes: 0.5g, 1.0g, 1.5g, and 5.0g.

Catalog Code	Diameter (µm)
DS02*	≤ 0.49
DS03*	0.50 - 0.99
DS04*	1.00 - 1.99
DS05*	2.00 - 4.99
DS06*	5.00 - 9.99
DS07*	≥ 10.00
* The final character of the catalog code denotes color: B = Blue, R = Red, O = Orange, K = Black, V = Purple, G = Green, F = Fluorescent, N=None.

Dyed Carboxyl Polymers

Biomolecules may be covalently immobilized to carboxyl-functionalized microspheres. A general coupling protocol is provided within TechNote 205, Covalent Coupling. Our dyed carboxyl microspheres are impregnated with vibrant dyes for optimal visualization. See our color palette for a representation of our standard colors. They are supplied as a 5% solids suspension (50mg/mL) and are available in four standard volumes: 0.5g, 1.0g, 1.5g, and 5.0g.

Catalog Code	Diameter (µm)
DC02*	≤ 0.49
DC03*	0.50 - 0.99
DC04*	1.00 - 1.99
DC05*	2.00 - 4.99
DC06*	5.00 - 9.99
DC07*	≥ 10.00
* The final character of the catalog code denotes color: B = Blue, R = Red, O = Orange, K = Black, V = Purple, G = Green, F = Fluorescent, N=None.

Dyed Protein-coated Polymers

At times, our inventory includes streptavidin-coated dyed microspheres.

Catalog Code	Product Data Sheet
CP01*	PDS 721.pdf
* The final character of the catalog code denotes color: B = Blue, R = Red, O = Orange, K = Black, V = Purple, G = Green, F = Fluorescent, N=None.