featured product Welcome to Cytodiagnostics' online catalogue. We offer a wide range of products such as gold nanoparticles, quantum dots (nanocrystals), silver nanoparticles, antibodies, fluorescent dyes and other reagents to suit all of your nanotechnology needs.

Product Categories


Gold Nanoparticles

Gold nanoparticles ranging in size from 5nm to 400nm for use in applications such as electron microscopy and development of biological sensors.


Fluorescent Nanocrystals

Quantum dots with different surface chemistry. Available with emission between 450-665nm.

silver nanoparticles thumbnail

Silver Nanoparticles

Monodisperse high quality spherical silver nanoparticles with narrow size distribution and uniform shape. Available with core sizes of 10nm - 100nm.

nanoparticle optimization thumbnail

Nanoparticle Optimization

Our quantum dot, silver and gold nanoparticle panels are available with varying size, color and surface functionality.

magnetic particles thumbnail

Magnetic Nanoparticles

Functionalized and non-functionalized magnetic nanoparticles in both water and organic soluble formats. Availible as Protein A, biotin and streptavidin conjugates.

Microspheres thumbnail


Carboxylated polystyrene nanobeads in the size range of 200nm-500nm.

fluorescent beads thumbnail

new Fluorescent Microspheres

Polystyrene beads internally labeled with fluorophores. These micron sized beads are available with emission in the range of 400nm-665nm.

Cyto fluorescent dyes thumbnail

Fluorescent Dyes

Our Cyto Reactive dyes are ideal for fluorescent labeling of proteins and other ligands for applications such as flow cytometry and immunofluorescense.

streptavidin and biotin products thumbnail

Streptavidin & Biotin Products

Streptavidin and biotin reagents for high sensitivity detection in applications such as e.g. ELISA, immunoblotting and flow cytometry.

secondary antibodies thumbnail

Secondary Antibodies

Affinity purified antibodies and antibody conjugates for Flow Cytometry, Western Blot, ELISA and Immunohistochemistry applications.


Support Reagents

FTO/ITO glass slides, Peroxidase labeled streptavidin, chemiluminescent substrates, stabilizers and silver enhancer kits.


Silver Enhancement Kits

Kits for signal enhancement of gold and silver nanoparticle labeled samples in blotting and microscopy applications.

Silver Nanoparticles Promotion
New Customer Promotion