Polystyrene Fluorescent Microspheres

EPRUI supplies polystyrene fluorescent microspheres with high fluorescence intensity, stable performance and narrow particle size distribution. Colored polystyrene microspheres are also available.
Our polystyrene fluorescent microspheres can be used for a wide range of applications including medical diagnosis, blood flow determination, tracing, in vivo imaging, calibration of imaging and flow cytometry instruments. Our dyes are incorporated throughout the bead and not just on the surface, so they are relatively immune to photobleaching and other environmental factors. Dyes leak will not happen even after high-speed centrifugation. Carboxylated microbeads have a high density of homogeneous distribution of carboxylic acids on the surface, which makes carbodiimide (EDAC) and other water-soluble imine reagents covalently coupled protein and other amino-containing biomolecules easy to pass.
Features:
1. Dye molecules are incorporated throughout the bead making fluorescent signals more stable.
2. 10% of dye concentration making sure high fluorescence intensity and brightness.
3. Highly uniform particle size (CV<5%).Small batch difference and good repeatability.
4. Customization of different functional groups and particle size (20nm-100um) is accepted.
Application:
1. Medical Diagnosis
2. Flow Cytometry Calibration
3. Blood Flow Determination & Tracing
4. Imaging Calibration
5. In vivo Imaging

Green Fluorescent Microspheres

Model

APS

Appearance

Functional Groups

Density

Refractive Index

Excitation Wavelength

Emission Wavelength

Concentration

EPRUI-GF-100C

100nm

Highlight Green Fluorescence

-COOH

1.05g/cm3

1.59@589nm(25℃)

488nm

525nm

1%

EPRUI-GF-200C

200nm

EPRUI-GF-300C

300nm

EPRUI-GF-400C

400nm

EPRUI-GF-500C

500nm

Storage

2-8℃ ,Avoid Light.

 

Red Fluorescent Microspheres

Model

APS

Appearance

Functional Groups

Density

Refractive Index

Excitation Wavelength

Emission Wavelength

Concentration

EPRUI-RF-100C

100nm

Highlight Red Fluorescence

-COOH

1.05g/cm3

1.59@589nm(25℃)

535nm

610nm

1%

EPRUI-RF-200C

200nm

EPRUI-RF-300C

300nm

EPRUI-RF-400C

400nm

EPRUI-RF-500C

500nm

Storage

2-8℃ ,Avoid Light.

 

Rare Earth Fluorescent Microspheres or Time Resolved Fluorescent Microspheres

Model

APS

Appearance

Functional Groups

Density

Refractive Index

Excitation Wavelength

Emission Wavelength

Concentration

EPRUI-REF-80C

80nm

Rare Earth Fluorescence
Or Time Resolved Fluorescence

-COOH

1.05g/cm3

1.59@589nm(25℃)

488nm

525nm

1%

EPRUI-GF-100C

100nm

EPRUI-GF-160C

160nm

EPRUI-GF-200C

200nm

EPRUI-GF-300C

300nm

EPRUI-GF-400C

400nm

Storage

2-8℃ ,Avoid Light.