Products

Functionalized Particles

Functionalized Polymer and Silica Particles

microParticles GmbH offers a comprehensive portfolio of monodisperse microspheres based on polystyrene (PS), poly(methyl methacrylate) (PMMA), melamine formaldehyde (MF) and silicon dioxide (SiO₂). These beads are engineered with precise size control and customizable surface chemistry, making them ideal for advanced applications in biotechnology, diagnostics, pharmaceuticals, and analytical sciences.

Surface Functionalization Options

Particles are available with a wide range of functional groups to enable specific binding, bioconjugation, and targeted interactions.

Standard modifications:

Carboxyl (-COOH)
Amino (-NH₂)
Streptavidin (-SA)

Custom modifications (upon request):

Sulfonic acid (-SO₃H)
Epoxy
Maleimide
Hydroxyl (-OH)

Particle Material COOH/SA	Mean Diameter [µm]	Particle Concentration [wt-%]	Package Size [ml]
PS, PMMA, Melamine resin, Silica	0.1 - 0.99 > 1.0	2.5 5	5 , 10 , 15

Functionalized Particles Functionalized Beads

Non-Fluorescent Fluorescent Paramagnetic

Product related References:

Engineering Programmable DNA Particles and Capsules Using Catechol-Functionalized DNA Block Copolymers
Kim, C.-J., Ercole, F., Goudeli, E., Bhangu, S.K., Chen J., Faria, M., Quinn, J.F., Caruso, F.
Mater. 2022, 34(16), 7468-7480 DOI: 10.1021/acs.chemmater.2c01586

Synthesis of Customizable Macromolecular Conjugates as Building Blocks for Engineering Metal–Phenolic Network Capsules with Tailorable Properties
Kim, C.-J., Ercole, F., Ju, Y., Pan, S., Chen, J., Qu, Y., Quinn, J.F., Caruso, F.
Mater. 2021, 33(21), 8477-8488 DOI 10.1021/acs.chemmater.1c02912

Active Particles Bound by Information Flows
Khadka, U., Holubec, V., Yang, H., Cichos, F.
Nature Communications 2018, 9:3864 DOI: 10.1038/s41467-018-06445-1

One-Step Assembly of Coordination Complexes for Versatile Film and Particle Engineering
Ejima, H., Richardson, J.J., Liang, K., Best, J.P., van Koeverden, M.P., Such, G.K., Cui, Jiwei, Caruso, F.
Science 2013, 341(6142), 154-157 DOI: 1126/science.1237265