Escherichia coli (K-12 strain) BioParticles™, fluorescein conjugate - FAQs

The Escherichia coli (K-12 strain) BioParticles, fluorescein conjugate are supplied as lyophilized powder in a 10 mg.unit size. There are approximately 3 x 10E8 E. coli particles per mg solid.

Find additional tips, troubleshooting help, and resources within our Cell Analysis Support Center.

While the bacteria have been attenuated with formaldehyde and alcohol desiccation, the BioParticles products are not considered sterile, and we do not recommend incubation of more than 4 hours. This applies to all of our dye-labeled (pHrodo, Alexa Fluor, etc.) and unlabeled BioParticles products.

We use amine-reactive dyes to covalently attach fluorescent dyes to all of our BioParticles probes such as the Escherichia coli (K-12 strain) BioParticles probes, Staphylococcus aureus (Wood strain without protein A) BioParticles, and the Zymosan A (S. cerevisiae) BioParticles probes.

Find additional tips, troubleshooting help, and resources within our Cell Analysis Support Center.

Fluorescent Bioparticles have been employed to study phagocytosis by fluorescence microscopy, quantitative spectrofluorometry, and flow cytometry. We offer E.Coli, S. aureus, and zymosan BioParticles conjugates covalently labeled with a variety of different fluorophores.

Find additional tips, troubleshooting help, and resources within our Cell Analysis Support Center.