Microspheres

Microspheres

Microspheres are small spherical particles with surface modification for specialized applications, such as calibrations, labeling, flow cytometry, assaying, and more. These products are available in a range of compositions, sizes, and colors.
Fisher Catalogue (3)
Thermo Scientific (39)
Blue (1)
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Red (4)
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White or Colorless (70)
0.10 μm (1)
0.20 μm (1)
0.24 μm (1)
0.3 μm (3)
0.35 μm (1)
0.36 μm (1)
0.50 μm (1)
0.52 μm (1)
0.6 μm (1)
0.87 μm (1)
1 μm (1)
1 to 10 μm (1)
1.0 μm (7)
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1.5 μm (1)
1.6 μm (1)
10 μm (5)
10.00 ±0.08 μm (1)
100 μm (2)
100 nm (1)
125 nm (1)
140 μm (1)
15 μm (4)
150 nm (1)
160 μm (1)
2 μm (2)
2.0 μm (3)
2.2 μm (1)
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20 μm (3)
200 μm (1)
200 nm (1)
240 nm (1)
25 μm (2)
3 μm (2)
3.0 μm (1)
30 μm (1)
30 nm (1)
300 μm (1)
300 nm (1)
350 nm (1)
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5 μm (3)
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50 μm (3)
50 nm (2)
50.2 ±0.3 μm (1)
500 μm (1)
500 nm (1)
60 nm (1)
700 nm (1)
750 μm (1)
80 μm (1)
80 nm (2)
800 nm (1)
900 nm (1)
Aerosol Particle Generation (8)
Airborne Optical Particle Counter Calibration (2)
Cleaning Evaluation (1)
Dispersion (8)
DNA Sample Prep (1)
Electron Microscope Calibration (20)
Filter Evaluation (8)
High Contrast Reference and Calibration (1)
Laser Particle Counter Calibration (9)
Light Scattering (8)
Liquid Particle Counter Validation (5)
Narrow Size Standard Deviation Applications (27)
Particle Generation (8)
Protein Purification (1)
USP Verification (6)
Products (19)
Learn More (0)

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COUNT-CAL™ Count Precision Size Standards, 50μm, 50.2μm ± 0.3μm, σ = 0.5μm, 1.0% CV 
Minimize contamination by eliminating the need for serial dilutions and extensive sample handling with Thermo Scientific™ COUNT-CAL™ Count Precision Size Standards, a cost-effective, convenient and easy to use product for validating liquid particle counters.
5000 Series 1.0μm to 3.2μm Polymer Particle Suspensions, 2.2μm 
Meet the need for particulate materials with a variety of particle sizes and properties with Thermo Scientific™ 5000 Series Polymer Particle Suspensions, of special interest for research in light scattering, microporous filter checking and aerosol particle generation.
Dynabeads™ MX Mixer Turret 
Product Type: MX Mixer Turret. For Use With (Equipment): Dynabeads™ Sample Mixers. Quantity: 1 Unit. Shipping Condition: Room Temperature.
5000 Series 0.03μm to 0.30μm Polymer Particle Suspensions, 0.29μm 
Stability: Product stable for a minimum of 24 months. For Use With (Application): Aerosol Particle Generation. Additive: Contains trace amount of surfactant to inhibit agglomeration and promote stability. Product Type: Polymer Particle Suspensions.
5000 Series 0.03μm to 0.30μm Polymer Particle Suspensions, 0.87μm 
Stability: Product stable for a minimum of 24 months. For Use With (Application): Aerosol Particle Generation. Additive: Contains trace amount of surfactant to inhibit agglomeration and promote stability. Product Type: Polymer Particle Suspensions.
Fluoro-Max Green Particulate Marker Particles 
Particle Density: 1.05g/cm³ Contents: Dry dyed polystyrene divinylbenzene microspheres. Material: Polystyrene Divinylbenzene (PS-DVB). Additive: May contain trace amount of dispersant.
Fluoro-Max Dyed Green Aqueous Fluorescent Particles, 0.50μm 
Stability: Product stable for a minimum of 24 months. Particle Density: 1.05g/cm³ Product Type: Fluorescent Particle. Concentration: 1% solids.
Fluoro-Max Green and Red Dry Fluorescent Particles, Fluorescent Green, 10μm 
Particle Density: 1.05g/cm³ Material: Polystyrene Divinylbenzene (PS-DVB). Additive: May contain trace amount of dispersant. Product Type: Fluorescent Particle.
Fluoro-Max Fluorescent Carboxylate-Modified Particles with Europium Chelate, 0.3μm dia., Carboxylate-Modified 
Additive: 0.05% Sodium Azide Stability: Product stable for a minimum of 36 months. Particle Density: 1.06g/cm³ Surface Modification: Carboxylate-Modified.
Fluoro-Max Dyed Red Aqueous Fluorescent Particles, 3μm 
Stability: Product stable for a minimum of 24 months. Particle Density: 1.05g/cm³ Product Type: Fluorescent Particle. Color: Red.
3K/4K Series Particle Counter Standards, 29.75μm ± 0.56μm, Dia.: 29.75μm ± 0.56μm, σ = 0.42μm, 1.4% CV 
Description: NIST traceable particles that provide calibration of laser particle counters. Additive: Contains trace amount of surfactant to inhibit agglomeration and promote stability. Includes: Certificate of Calibration and Traceability to NIST. For Use With (Application): Laser Particle Counter Calibration.
Duke Standards™ 2000 Series Uniform Polymer Particles, 9.7μm ±0.4μm dia. 
Additive: Contains trace amount of surfactants. Color: White or Colorless. For Use With (Application): Narrow Size Standard Deviation Applications. Material: Polystyrene Divinylbenzene (PS-DVB).
PHARM-TROL™ Count Precision Size Standards, 15.0μm ± 0.2μm 20 x 25mL bottles 
Additive: Contains trace amount of surfactant. Concentration: 3800 particles/mL ± 15%. Contents: Polystyrene microspheres in water. Description: Used by manufatures of parenteral drugs and ophthalmic solutions who are seeking interim verification of USP <788> and <789>.
Sera-Mag™ Carboxylate modified Magnetic Beads, hydrophobic 
Concentration: 5% solids (50mg/mL). For Use With (Application): DNA Sample Prep. For Use With (Application): Protein Purification. Quantity: 15 mL.
4D Series Dry Microsphere Size Standards, 10μm 
Certifications/Compliance: Certificate of Calibration and Traceability to NIST, MSDS. For Use With (Application): Airborne Optical Particle Counter Calibration. Material: Polystyrene Divinylbenzene (PS-DVB). Additive: Trace flow agent.
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