Thermo Fisher Scientific CML Latex Beads, 4% w/v, 3 μm

Invitrogen™ CML Latex Beads, 4% w/v, 3 μm

Microspheres (also called latex beads or latex particles) are spherical particles in the colloidal size range formed from an amorphous polymer such as polystyrene. The surface is highly hydrophobic, making these ideal materials for adsorption of proteins.

These carboxylate-modified (CML) latex particles are produced by copolymerizing carboxylic acid-containing polymers. The result is a latex polymer particle with a highly charged, relatively hydrophilic, and somewhat “fluffy” surface layer. The CML particles are electrosterically stabilized and remain safe in electrolyte concentrations up to 1M univalent salt. They are negatively charged with a polyelectrolyte surface character. At pH ~10, all carboxyl groups are ionized, resulting in a hydrophilic latex.

Microspheres Are Available in Many Sizes and Surface Functionalities

• 25 sizes to choose from (0.02–16 μm)
• 20 different surface types for conjugation to various materials
• Surfactant-free and ultraclean
• Available in quantities from milliliter to 500-liter amounts

Key Applications

• Instrument calibration (flow cytometry, microscopy, HTS, HCS)
• Flow testing (microfluidics, blood flow, water flow, air flow)
• Cell biology tracers (cell differentiation and tracing)
• Immunoassays (agglutination tests, ELISA, particle capture, contrast reagents)

Additional Information

Read a technical overview of microspheres and learn more about high-activity, super-active, and specialty beads on the IDC Surfactant-free Latex Beads page.

Custom Microsphere Services

If you don’t find the microsphere you need in our stocked list, we can produce a custom microsphere tailored to your specifications. Our ISO 13485:2000 certified custom conjugation service ensures efficiency, confidentiality, and guaranteed quality.

For Research Use Only.
Not intended for animal or human therapeutic or diagnostic use.

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