Fluoresbrite® Fluorescent Microspheres

The world’s leading fluorescent polystyrene latex microspheres. Instrument manufacturers and major diagnostic companies turn to Polysciences for consistently superior products and custom fluorescent microspheres. Continued developments by our polymer chemists result in products which lead the market in such innovative applications as diagnostic assays, protein-binding assays and cell tracers.

Fluoresbrite Microspheres are packaged as economical suspensions of 2.5% solids in water.

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  1. Fluoresbrite® Polychromatic Red Microspheres 1.0µm

    Fluoresbrite® Polychromatic Red Microspheres 1.0µm

    Starting at: $238.00

    Fluoresbrite® Polychromatic Red Microspheres will fluoresce in different colors, depending on the light source and filters used. When viewed under a UV light source, the beads will appear as vivid orange. Microscopic viewing using a 475-490nm filter shows an extremely bright red fluorescence, while use of a 545-610nm filter yields a yellow fluorescence with excitation maxima of 491nm and 512nm and emission maxima at 554nm.

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  2. Fluoresbrite® Polychromatic Red Microspheres 2.0µm

    Fluoresbrite® Polychromatic Red Microspheres 2.0µm

    Starting at: $238.00

    Fluoresbrite® Polychromatic Red Microspheres will fluoresce in different colors, depending on the light source and filters used. When viewed under a UV light source, the beads will appear as vivid orange. Microscopic viewing using a 475-490nm filter shows an extremely bright red fluorescence, while use of a 545-610nm filter yields a yellow fluorescence with excitation maxima of 491nm and 512nm and emission maxima at 554nm.

    Learn More
  3. Fluoresbrite® Polychromatic Red Microspheres 6.0µm

    Fluoresbrite® Polychromatic Red Microspheres 6.0µm

    Starting at: $335.00

    Fluoresbrite® Polychromatic Red Microspheres will fluoresce in different colors, depending on the light source and filters used. When viewed under a UV light source, the beads will appear as vivid orange. Microscopic viewing using a 475-490nm filter shows an extremely bright red fluorescence, while use of a 545-610nm filter yields a yellow fluorescence with excitation maxima of 491nm and 512nm and emission maxima at 554nm.

    Learn More
  4. Fluoresbrite® Polychromatic Red Microspheres  0.5µm

    Fluoresbrite® Polychromatic Red Microspheres 0.5µm

    Starting at: $208.00

    Fluoresbrite® Polychromatic Red Microspheres will fluoresce in different colors, depending on the light source and filters used. When viewed under a UV light source, the beads will appear as vivid orange. Microscopic viewing using a 475-490nm filter shows an extremely bright red fluorescence, while use of a 545-610nm filter yields a yellow fluorescence with excitation maxima of 491nm and 512nm and emission maxima at 554nm.

    Learn More
  5. Fluoresbrite® PolyFluor® 345 Microspheres

    Fluoresbrite® PolyFluor® 345 Microspheres

    Starting at: $259.00

    These fluorescent microspheres incorporate a series of polymerizable fluorescent compounds which produce fluorescence at a variety of wavelengths. The microspheres listed below have a nominal diameter of 1µm. The fluorescence is uniformly distributed throughout the outer 25% of the radii of the particles.

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  6. Fluoresbrite® PolyFluor® 394 Microspheres

    Fluoresbrite® PolyFluor® 394 Microspheres

    Starting at: $259.00

    These fluorescent microspheres incorporate a series of polymerizable fluorescent compounds which produce fluorescence at a variety of wavelengths. The microspheres listed below have a nominal diameter of 1µm. The fluorescence is uniformly distributed throughout the outer 25% of the radii of the particles.

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  7. Fluoresbrite® PolyFluor® 407 Microspheres

    Fluoresbrite® PolyFluor® 407 Microspheres

    Starting at: $259.00

    These fluorescent microspheres incorporate a series of polymerizable fluorescent compounds which produce fluorescence at a variety of wavelengths. The microspheres listed below have a nominal diameter of 1µm. The fluorescence is uniformly distributed throughout the outer 25% of the radii of the particles.

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  8. Fluoresbrite® PolyFluor®  497 Microspheres

    Fluoresbrite® PolyFluor® 497 Microspheres

    Starting at: $259.00

    These fluorescent microspheres incorporate a series of polymerizable fluorescent compounds which produce fluorescence at a variety of wavelengths. The microspheres listed below have a nominal diameter of 1µm. The fluorescence is uniformly distributed throughout the outer 25% of the radii of the particles.

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  9. Fluoresbrite® PolyFluor® 511 Microspheres

    Fluoresbrite® PolyFluor® 511 Microspheres

    Starting at: $259.00

    These fluorescent microspheres incorporate a series of polymerizable fluorescent compounds which produce fluorescence at a variety of wavelengths. These microspheres have a nominal diameter of 1µm. The fluorescence is uniformly distributed throughout the outer 25% of the radii of the particle.

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  10. Fluoresbrite® PolyFluor®  512 Microspheres

    Fluoresbrite® PolyFluor® 512 Microspheres

    Starting at: $259.00

    These fluorescent microspheres incorporate a series of polymerizable fluorescent compounds which produce fluorescence at a variety of wavelengths. The microspheres listed below have a nominal diameter of 1µm. The fluorescence is uniformly distributed throughout the outer 25% of the radii of the particles.

    Learn More
  11. Fluoresbrite® PolyFluor®  570 Microspheres

    Fluoresbrite® PolyFluor® 570 Microspheres

    Starting at: $259.00

    These fluorescent microspheres incorporate a series of polymerizable fluorescent compounds which produce fluorescence at a variety of wavelengths. The microspheres listed below have a nominal diameter of 1µm. The fluorescence is uniformly distributed throughout the outer 25% of the radii of the particles.

    Learn More
  12. Fluoresbrite® YG Microspheres 0.10µm

    Fluoresbrite® YG Microspheres 0.10µm

    Starting at: $238.00

    Fluoresbrite® Yellow Green Microspheres have excitation and emission spectra similar to FITC with excitation maxima of 441nm and emission maxima at 485nm. They are one of the brightest microspheres available at this wavelength and are used extensively in phagocytosis studies, flow cytometry and diagnostic assays.

    Learn More
  13. Fluoresbrite® YG Microspheres 0.20µm

    Fluoresbrite® YG Microspheres 0.20µm

    Starting at: $238.00

    Fluoresbrite® Yellow Green Microspheres have excitation and emission spectra similar to FITC with excitation maxima of 441nm and emission maxima at 485nm. They are one of the brightest microspheres available at this wavelength and are used extensively in phagocytosis studies, flow cytometry and diagnostic assays.

    Learn More
  14. Fluoresbrite® YG Microspheres 0.50µm

    Fluoresbrite® YG Microspheres 0.50µm

    Starting at: $238.00

    Fluoresbrite® Yellow Green Microspheres have excitation and emission spectra similar to FITC with excitation maxima of 441nm and emission maxima at 485nm. They are one of the brightest microspheres available at this wavelength and are used extensively in phagocytosis studies, flow cytometry and diagnostic assays.

    Learn More
  15. Fluoresbrite® YG Microspheres  0.75µm

    Fluoresbrite® YG Microspheres 0.75µm

    Starting at: $238.00

    Fluoresbrite® Yellow Green Microspheres have excitation and emission spectra similar to FITC with excitation maxima of 441nm and emission maxima at 485nm. They are one of the brightest microspheres available at this wavelength and are used extensively in phagocytosis studies, flow cytometry and diagnostic assays.

    Learn More
  16. Fluoresbrite® YG Microspheres  1.00µm

    Fluoresbrite® YG Microspheres 1.00µm

    Starting at: $238.00

    Fluoresbrite® Yellow Green Microspheres have excitation and emission spectra similar to FITC with excitation maxima of 441nm and emission maxima at 485nm. They are one of the brightest microspheres available at this wavelength and are used extensively in phagocytosis studies, flow cytometry and diagnostic assays.

    Learn More
  17. Fluoresbrite® YG Microspheres 0.05µm

    Fluoresbrite® YG Microspheres 0.05µm

    Starting at: $306.00

    Fluoresbrite® Yellow Green Microspheres have excitation and emission spectra similar to FITC with excitation maxima of 441nm and emission maxima at 485nm. They are one of the brightest microspheres available at this wavelength and are used extensively in phagocytosis studies, flow cytometry and diagnostic assays.

    Learn More
  18. Fluoresbrite® YG Microspheres 3.00µm

    Fluoresbrite® YG Microspheres 3.00µm

    Starting at: $306.00

    Fluoresbrite® Yellow Green Microspheres have excitation and emission spectra similar to FITC with excitation maxima of 441nm and emission maxima at 485nm. They are one of the brightest microspheres available at this wavelength and are used extensively in phagocytosis studies, flow cytometry and diagnostic assays.

    Learn More
  19. Fluoresbrite® YG Microspheres 6.00µm

    Fluoresbrite® YG Microspheres 6.00µm

    Starting at: $306.00

    Fluoresbrite® Yellow Green Microspheres have excitation and emission spectra similar to FITC with excitation maxima of 441nm and emission maxima at 485nm. They are one of the brightest microspheres available at this wavelength and are used extensively in phagocytosis studies, flow cytometry and diagnostic assays.

    Learn More
  20. Fluoresbrite® YG Microspheres 10.0µm

    Fluoresbrite® YG Microspheres 10.0µm

    Starting at: $306.00

    Fluoresbrite® Yellow Green Microspheres have excitation and emission spectra similar to FITC with excitation maxima of 441nm and emission maxima at 485nm. They are one of the brightest microspheres available at this wavelength and are used extensively in phagocytosis studies, flow cytometry and diagnostic assays.

    Learn More
  21. Fluoresbrite® YG Microspheres 25.0µm

    Fluoresbrite® YG Microspheres 25.0µm

    Starting at: $306.00

    Fluoresbrite® Yellow Green Microspheres have excitation and emission spectra similar to FITC with excitation maxima of 441nm and emission maxima at 485nm. They are one of the brightest microspheres available at this wavelength and are used extensively in phagocytosis studies, flow cytometry and diagnostic assays.

    Learn More
  22. Fluoresbrite® YG Microspheres 45.0µm

    Fluoresbrite® YG Microspheres 45.0µm

    Starting at: $306.00

    Fluoresbrite® Yellow Green Microspheres have excitation and emission spectra similar to FITC with excitation maxima of 441nm and emission maxima at 485nm. They are one of the brightest microspheres available at this wavelength and are used extensively in phagocytosis studies, flow cytometry and diagnostic assays.

    Learn More
  23. Fluoresbrite® YG Microspheres  90.0µm

    Fluoresbrite® YG Microspheres 90.0µm

    Starting at: $306.00

    Fluoresbrite® Yellow Green Microspheres have excitation and emission spectra similar to FITC with excitation maxima of 441nm and emission maxima at 485nm. They are one of the brightest microspheres available at this wavelength and are used extensively in phagocytosis studies, flow cytometry and diagnostic assays.

    Learn More
  24. Fluoresbrite® YG Microspheres 2.00µm

    Fluoresbrite® YG Microspheres 2.00µm

    Starting at: $306.00

    Fluoresbrite® Yellow Green Microspheres have excitation and emission spectra similar to FITC with excitation maxima of 441nm and emission maxima at 485nm. They are one of the brightest microspheres available at this wavelength and are used extensively in phagocytosis studies, flow cytometry and diagnostic assays.

    Learn More
  25. Fluoresbrite® YG Microspheres 20.0µm

    Fluoresbrite® YG Microspheres 20.0µm

    Starting at: $306.00

    Fluoresbrite® Yellow Green Microspheres have excitation and emission spectra similar to FITC with excitation maxima of 441nm and emission maxima at 485nm. They are one of the brightest microspheres available at this wavelength and are used extensively in phagocytosis studies, flow cytometry and diagnostic assays.

    Learn More
  26. Fluoresbrite® YG Microspheres, Calibration Grade 0.50μm

    Fluoresbrite® YG Microspheres, Calibration Grade 0.50μm

    Starting at: $174.00

    This special grade of Fluoresbrite® Yellow Green Microspheres has been evaluated both for particle diameter, as well as the uniformity of the fluorescent dye distribution. Instrument manufacturers have demanded these high quality particles for their flow cytometry standards.

    Learn More
  27. Fluoresbrite® YG Microspheres, Calibration Grade 1.00μm

    Fluoresbrite® YG Microspheres, Calibration Grade 1.00μm

    Starting at: $202.00

    This special grade of Fluoresbrite® Yellow Green Microspheres has been evaluated both for particle diameter, as well as the uniformity of the fluorescent dye distribution. Instrument manufacturers have demanded these high quality particles for their flow cytometry standards.

    Learn More
  28. Fluoresbrite® YG Microspheres, Calibration Grade 2.00μm

    Fluoresbrite® YG Microspheres, Calibration Grade 2.00μm

    Starting at: $238.00

    This special grade of Fluoresbrite® Yellow Green Microspheres has been evaluated both for particle diameter, as well as the uniformity of the fluorescent dye distribution. Instrument manufacturers have demanded these high quality particles for their flow cytometry standards.

    Learn More
  29. Fluoresbrite® YG Microspheres, Calibration Grade  3.00μm

    Fluoresbrite® YG Microspheres, Calibration Grade 3.00μm

    Starting at: $238.00

    This special grade of Fluoresbrite® Yellow Green Microspheres has been evaluated both for particle diameter, as well as the uniformity of the fluorescent dye distribution. Instrument manufacturers have demanded these high quality particles for their flow cytometry standards.

    Learn More
  30. Fluoresbrite® YG Microspheres, Calibration Grade 6.00μm

    Fluoresbrite® YG Microspheres, Calibration Grade 6.00μm

    Starting at: $306.00

    This special grade of Fluoresbrite® Yellow Green Microspheres has been evaluated both for particle diameter, as well as the uniformity of the fluorescent dye distribution. Instrument manufacturers have demanded these high quality particles for their flow cytometry standards.

    Learn More
  31. Fluoresbrite® Multifluorescent Microspheres 0.20µm

    Fluoresbrite® Multifluorescent Microspheres 0.20µm

    Starting at: $196.00

    Polysciences offers multifluorescent microspheres in three sizes. Each microsphere is dyed with three different fluorescent dyes with excitation maxima of 377, 517 and 588nm, and emission maxima of 479, 546 and 612nm, respectively. These microspheres are packaged as 2.5% aqueous suspensions.

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  32. Fluoresbrite® Multifluorescent Microspheres 0.50µm

    Fluoresbrite® Multifluorescent Microspheres 0.50µm

    Starting at: $196.00

    Polysciences offers multifluorescent microspheres in three sizes. Each microsphere is dyed with three different fluorescent dyes with excitation maxima of 377, 517 and 588nm, and emission maxima of 479, 546 and 612nm, respectively. These microspheres are packaged as 2.5% aqueous suspensions.

    Learn More
  33. Fluoresbrite® Multifluorescent Microspheres 1.00µm

    Fluoresbrite® Multifluorescent Microspheres 1.00µm

    Starting at: $196.00

    Polysciences offers multifluorescent microspheres in three sizes. Each microsphere is dyed with three different fluorescent dyes with excitation maxima of 377, 517 and 588nm, and emission maxima of 479, 546 and 612nm, respectively. These microspheres are packaged as 2.5% aqueous suspensions. Learn More

  34. Fluoresbrite® BB Carboxylate Microspheres  0.50µm

    Fluoresbrite® BB Carboxylate Microspheres 0.50µm

    Starting at: $208.00

    Fluoresbrite® carboxylate microspheres are fluorescent monodispersed polystyrene microspheres that have carboxylate groups on their surfaces which can be activated for the covalent coupling of proteins. Polysciences’ Fluoresbrite® particles are used worldwide in phagocytosis and neural retrograde transport studies, and as markers for cell bound antigens. These microspheres are packaged as 2.5% aqueous suspensions.

    Learn More
  35. Fluoresbrite® BB Carboxylate Microspheres   0.10µm

    Fluoresbrite® BB Carboxylate Microspheres 0.10µm

    Starting at: $208.00

    Fluoresbrite® carboxylate microspheres are fluorescent monodispersed polystyrene microspheres that have carboxylate groups on their surfaces which can be activated for the covalent coupling of proteins. Polysciences’ Fluoresbrite® particles are used worldwide in phagocytosis and neural retrograde transport studies, and as markers for cell bound antigens. These microspheres are packaged as 2.5% aqueous suspensions.

    Learn More
  36. Fluoresbrite® BB Carboxylate Microspheres 1.00µm

    Fluoresbrite® BB Carboxylate Microspheres 1.00µm

    Starting at: $238.00

    Fluoresbrite® carboxylate microspheres are fluorescent monodispersed polystyrene microspheres that have carboxylate groups on their surfaces which can be activated for the covalent coupling of proteins. Polysciences’ Fluoresbrite® particles are used worldwide in phagocytosis and neural retrograde transport studies, and as markers for cell bound antigens.

    Learn More
  37. Fluoresbrite® BB Carboxylate Microspheres 1.75µm

    Fluoresbrite® BB Carboxylate Microspheres 1.75µm

    Starting at: $272.00

    Fluoresbrite® carboxylate microspheres are fluorescent monodispersed polystyrene microspheres that have carboxylate groups on their surfaces which can be activated for the covalent coupling of proteins. Polysciences’ Fluoresbrite® particles are used worldwide in phagocytosis and neural retrograde transport studies, and as markers for cell bound antigens. These microspheres are packaged as 2.5% aqueous suspensions.

    Learn More
  38. Fluoresbrite® BB Carboxylate Microspheres 6.00µm

    Fluoresbrite® BB Carboxylate Microspheres 6.00µm

    Starting at: $272.00

    Fluoresbrite® carboxylate microspheres are fluorescent monodispersed polystyrene microspheres that have carboxylate groups on their surfaces which can be activated for the covalent coupling of proteins. Polysciences’ Fluoresbrite® particles are used worldwide in phagocytosis and neural retrograde transport studies, and as markers for cell bound antigens.

    Learn More
  39. Fluoresbrite® BB Carboxylate Microspheres 10.00µm

    Fluoresbrite® BB Carboxylate Microspheres 10.00µm

    Starting at: $306.00

    Fluoresbrite® carboxylate microspheres are fluorescent monodispersed polystyrene microspheres that have carboxylate groups on their surfaces which can be activated for the covalent coupling of proteins. Polysciences’ Fluoresbrite® particles are used worldwide in phagocytosis and neural retrograde transport studies, and as markers for cell bound antigens. These microspheres are packaged as 2.5% aqueous suspensions.

    Learn More
  40. Fluoresbrite® BB Carboxylate Microspheres 0.05µm

    Fluoresbrite® BB Carboxylate Microspheres 0.05µm

    Starting at: $306.00

    Fluoresbrite® carboxylate microspheres are fluorescent monodispersed polystyrene microspheres that have carboxylate groups on their surfaces which can be activated for the covalent coupling of proteins. Polysciences’ Fluoresbrite® particles are used worldwide in phagocytosis and neural retrograde transport studies, and as markers for cell bound antigens. These microspheres are packaged as 2.5% aqueous suspensions.

    Learn More
  41. Fluoresbrite® BB Carboxylate Microspheres 4.50µm

    Fluoresbrite® BB Carboxylate Microspheres 4.50µm

    Starting at: $396.00

    Fluoresbrite® carboxylate microspheres are fluorescent monodispersed polystyrene microspheres that have carboxylate groups on their surfaces which can be activated for the covalent coupling of proteins. Polysciences’ Fluoresbrite® particles are used worldwide in phagocytosis and neural retrograde transport studies, and as markers for cell bound antigens. These microspheres are packaged as 2.5% aqueous suspensions.

    Learn More
  42. Fluoresbrite® Carboxylate Color Range Kit II

    Fluoresbrite® Carboxylate Color Range Kit II

    Starting at: $293.00

    Kit contains 1ml each of 0.50µm Fluoresbrite® monodisperse microspheres (2.5% solids in water) containing dyes with these excitation maxima: 273nm, 360nm, 441nm, 529nm, 641nm and 763nm.

    Components of this kit are also available individually.

    Learn More
  43. Fluoresbrite® YG Carboxylate Size Range Kit I

    Fluoresbrite® YG Carboxylate Size Range Kit I

    Starting at: $369.00

    Polysciences’ Size Range Kits allow you to evaluate which fluorescent particle size performs optimally for your specific application. These yellow green (YG) beads are economically packaged in 1ml volumes.

    Kit contains 1ml of Fluoresbrite® monodisperse microspheres (2.5% solids in water) for each of these nominal sizes: 0.10µm, 0.20µm, 0.50µm, 0.75µm and 1.0µm.

    Learn More
  44. Fluoresbrite® YG Carboxylate Size Range Kit II

    Fluoresbrite® YG Carboxylate Size Range Kit II

    Starting at: $396.00

    Polysciences’ Size Range Kits allow you to evaluate which fluorescent particle size performs optimally for your specific application. These yellow green (YG) beads are economically packaged in 1ml volumes.

    Kit contains 1ml of Fluoresbrite® monodisperse microspheres (2.5% solids in water) for each of these nominal sizes: 1.75µm, 2.0µm, 3.0µm, 4.5µm and 6.0µm.

    Learn More
  45. Fluoresbrite® Carboxylate Color Range Kit I

    Fluoresbrite® Carboxylate Color Range Kit I

    Starting at: $540.00

    Kit contains 1ml each of 1.75µm Fluoresbrite® monodisperse microspheres (2.5% solids in water) containing dyes with these excitation maxima: 273nm, 360nm, 441nm, 529nm, 641nm and 763nm.

    Components of this kit are also available individually.

    Learn More
  46. Fluoresbrite® YG Carboxylate Microspheres 0.75µm

    Fluoresbrite® YG Carboxylate Microspheres 0.75µm

    Starting at: $208.00

    Fluoresbrite® carboxylate microspheres are fluorescent monodispersed polystyrene microspheres that have carboxylate groups on their surfaces which can be activated for the covalent coupling of proteins. Polysciences’ Fluoresbrite® particles are used worldwide in phagocytosis and neural retrograde transport studies, and as markers for cell bound antigens. These microspheres are packaged as 2.5% aqueous suspensions.

    Learn More
  47. Fluoresbrite® YG Carboxylate Microspheres 0.20µm

    Fluoresbrite® YG Carboxylate Microspheres 0.20µm

    Starting at: $208.00

    Fluoresbrite® carboxylate microspheres are fluorescent monodispersed polystyrene microspheres that have carboxylate groups on their surfaces which can be activated for the covalent coupling of proteins. Polysciences’ Fluoresbrite® particles are used worldwide in phagocytosis and neural retrograde transport studies, and as markers for cell bound antigens. These microspheres are packaged as 2.5% aqueous suspensions.

    Learn More
  48. Fluoresbrite® YG Carboxylate Microspheres 0.10µm

    Fluoresbrite® YG Carboxylate Microspheres 0.10µm

    Starting at: $208.00

    Fluoresbrite® carboxylate microspheres are fluorescent monodispersed polystyrene microspheres that have carboxylate groups on their surfaces which can be activated for the covalent coupling of proteins. Polysciences’ Fluoresbrite® particles are used worldwide in phagocytosis and neural retrograde transport studies, and as markers for cell bound antigens. These microspheres are packaged as 2.5% aqueous suspensions.

    Learn More
  49. Fluoresbrite® YG Carboxylate Microspheres 0.30μm

    Fluoresbrite® YG Carboxylate Microspheres 0.30μm

    Starting at: $208.00

    Fluoresbrite® carboxylate microspheres are fluorescent monodispersed polystyrene microspheres that have carboxylate groups on their surfaces which can be activated for the covalent coupling of proteins. Polysciences’ Fluoresbrite® particles are used worldwide in phagocytosis and neural retrograde transport studies, and as markers for cell bound antigens. These microspheres are packaged as 2.5% aqueous suspensions.

    Learn More
  50. Fluoresbrite® YG Carboxylate Microspheres 0.35μm

    Fluoresbrite® YG Carboxylate Microspheres 0.35μm

    Starting at: $208.00

    Fluoresbrite® carboxylate microspheres are fluorescent monodispersed polystyrene microspheres that have carboxylate groups on their surfaces which can be activated for the covalent coupling of proteins. Polysciences’ Fluoresbrite® particles are used worldwide in phagocytosis and neural retrograde transport studies, and as markers for cell bound antigens. These microspheres are packaged as 2.5% aqueous suspensions.

    Learn More
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