Fluorescent polyethylene microspheres emit bright colors and become highly visible when illuminated by UV light. Cospheric's fluorescent polyethylene microspheres are available in many particle sizes, colors, densities, and excitation and emission wavelength. Unlike other fluorescent particles on the market, Cospheric's microspheres can be stored at room temperature or dispersed in aqueous media without degrading their fluorescent properties.

Custom colors, particle sizes, densities can be manufactured by request. Contact us to discuss your unique requirements for fluorescent microspheres. More information on fluorescent microspheres and their applications.


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Fluorescent Red Polyethylene Microspheres Density 0.99g/cc Bright Fluorescent Red Particles 605nm Peak
Item #: UVPMS-BR-0.995 -
Price: $133.37-$478.24
Item #: UVPMS-BR-0.995 - View

Density: 0.985g/cc - 1.005g/cc (Designed for Water Suspension)Daylight Color: Fluorescent Red (607nm Peak) Fluorescent Response: Fluorescent Red under 300-550nm wavelengths. Works well with Green... [more info...]

UVPMS-BG Fluorescent Spectra (Excitation & Emission curves)
Item #: UVPMS-BG-1.025 -
Price: $87.43-$478.24
Item #: UVPMS-BG-1.025 - View
Fluorescent Polymer Spheres (Green) 1.100g/cc density
Item #: UVPMS-BG-1.10 -
Price: $133.37-$334.87
Item #: UVPMS-BG-1.10 - View
Fluorescent Orange Polyethylene Microspheres Density 1.030g/cc<br>Spherical Polymer Particles Fluorescent in UV Light
Item #: UVPMS-BO-1.03 -
Price: $133.37-$275.85
Item #: UVPMS-BO-1.03 - View
Fluorescent Green Polyethylene Microspheres<br>Bright Green Polymer Beads Density 1.015g/cc
Item #: UVPMS-BG-1.015 -
Price: $132.00-$382.98
Item #: UVPMS-BG-1.015 - View

Density: 1.01-1.02g/cc Daylight Color: Fluorescent Green (515nm Peak) Fluorescent Response: Peak emission of 515nm when excited at 414nm Microspheres vs Micropellets vs Microparticles: Microspheres:... [more info...]

Fluorescent Green Polyethylene Microspheres Density 1.035g/cc<br>Bright Green Polymer Spherical Microbeads
Item #: UVPMS-BG-1.035 -
Price: $133.37
Item #: UVPMS-BG-1.035 - View

Density: 1.03-1.04g/cc Daylight Color: Fluorescent Green (515nm Peak) Fluorescent Response: Peak emission of 515nm when excited at 414nm Particles in Size Range: >90% Spherical Particles: >90%... [more info...]

Fluorescent Orange Polyethylene Microspheres Density 1.015g/cc<br>Bright Orange Polymer Spherical MicroBeads
Item #: UVPMS-BO-1.015 -
Price: $133.37-$168.40
Item #: UVPMS-BO-1.015 - View
Fluorescent Yellow Microspheres Density 1.02g/cc for Flow Visualization and PIV<br>Bright Fluorescent Yellow-Green Particles with UV and Visible Illumination
Item #: UVPMS-BY2-1.02 -
Price: $155.24-$275.85
Item #: UVPMS-BY2-1.02 - View
Fluorescent Green Polyethylene Microspheres<br>Bright Green Polymer Beads Density 1.01g/cc
Item #: UVPMS-BG-1.01 -
Price: $133.37
Item #: UVPMS-BG-1.01 - View

Density: 1.00-1.02g/cc Daylight Color: Fluorescent Green (515nm Peak) Fluorescent Response: Peak emission of 515nm when excited at 414nm Particles in Size Range: > 90% Spherical Particles: >... [more info...]

Fluorescent Green Polyethylene Microspheres<br>Bright Green Polymer Beads Density 1.02g/cc
Item #: UVPMS-BG-1.02 -
Price: $133.37
Item #: UVPMS-BG-1.02 - View

Density: 1.015-1.025g/cc Daylight Color: Fluorescent Green (505nm Peak) Fluorescent Response: Peak emission of 515nm when excited at 414nm Particles in Size Range: > 90% Spherical Particles: >... [more info...]

Fluorescent Red Polyethylene Microspheres Density 0.99g/cc Bright Fluorescent Red Particles 605nm Peak
Item #: UVPMS-BR-0.975 -
Price: $133.37-$275.85
Item #: UVPMS-BR-0.975 - View

Density: 0.965g/cc - 0.985g/ccDaylight Color: Fluorescent Red (607nm Peak) Fluorescent Response: Fluorescent Red under 300-550nm wavelengths. Works well with Green Lasers. Peak emission of 607nm... [more info...]

Fluorescent Flesh-Tone Polymer Microspheres - Hospital Cleaning and Disinfection Contaminant Studies
Item #: UVSKPMS -
Price: $235.43-$382.98
Item #: UVSKPMS - View

The small size and spherical shape of the particles allow the powder to spread easily on most surfaces, creating a thin layer of powder, invisible to the naked eye under daylight illumination. W... [more info...]

Cospheric specializes in manufacturing and developing microspheres, spheres, microbeads and particles to customer's specific color requirements. Color can be matched as a color of monolayer of spheres or bulk color. Desired custom color microspheres can be manufactured with UV fluorescing capability.

As an example, Cospheric color-matched customer's flesh tone sample to create microspheres that blend into the surface of the skin or flesh and become invisible to the observer under daylight illumination (see Figure 1). Those same flesh-color microspheres have capability to fluoresce bright yellow-green at 365nm UV light (see Figure 2).

Figure 1: Flesh-tone microspheres developed to blend into the skin and not be visible to an observer. Notice how the microspheres blend in perfectly to match the background of skin sample in daylight. Color-Matched Skin Color Flesh Tone Microspheres Figure 2: Flesh-tone microspheres invisible to observer in daylight, become highly visible in yellow-green fluorescent color under 365nm UV light or black light, clearly distinguishing the microspheres from the background. Black Light - UV Light - Custom color-changing particles
Cospheric has in-house capabilities to develop and manufacture microspheres in custom color formulations for cosmetic, industrial or medical applications. Solid polyethylene microspheres, spheres, beads and microparticles can be developed to blend into background of any color. This functionality enables scientists and engineers to conduct controlled blind tests and experiments and make particles visible in any point in the process. Numerous applications in diagnostics, troubleshooting, process flow, medical research, biotechnology, quality control and other industries.

Contact us for a consultation, quote and lead time for your custom-color polymer microspheres, beads, or particles application.

Scholarly articles involving Cospheric fluorescent polyethylene microspheres:

The Effects of Natural and Anthropogenic Microparticles on Individual Fitness in Daphnia Magna

Particle Contamination: Direct Effects on Salt Marsh-Tidal Creek Organisms and Indirect Effects on The Bioavailability And Toxicity of Polynuclear Aromatic Hydrocarbons (Pahs)