Microspheres

Microspheres
- (1)
- (2)
- (1)
- (44)
- (3)
- (2)
- (44)
- (9)
- (6)
- (4)
- (18)
- (3)
- (12)
- (2)
- (1)
- (2)
- (30)
- (55)
- (1)
- (1)
- (1)
- (2)
- (3)
- (3)
- (1)
- (2)
- (1)
- (1)
- (121)
- (2)
- (35)
- (1)
- (1)
- (1)
- (1)
- (1)
- (1)
- (1)
- (1)
- (1)
- (1)
- (1)
- (1)
- (1)
- (1)
- (1)
- (1)
- (1)
- (1)
- (1)
- (1)
- (1)
- (1)
- (1)
- (1)
- (1)
- (1)
- (1)
- (1)
- (1)
- (3)
- (2)
- (56)
- (2)
- (2)
- (50)
- (1)
- (83)
- (27)
- (3)
- (22)
- (1)
- (158)
- (40)
- (1)
- (2)
- (2)
- (6)
- (5)
- (1)
- (6)
- (1)
- (8)
- (2)
- (2)
- (4)
- (17)
- (2)
- (6)
- (8)
- (2)
- (3)
- (2)
- (5)
- (2)
- (18)
- (1)
- (1)
- (7)
- (2)
- (3)
- (3)
- (1)
- (3)
- (3)
- (2)
- (4)
- (3)
- (28)
- (9)
- (2)
- (2)
- (4)
- (2)
- (1)
- (2)
- (3)
- (1)
- (19)
- (5)
- (2)
- (3)
- (3)
- (1)
- (3)
- (2)
- (13)
- (4)
- (3)
- (3)
- (2)
- (12)
- (1)
- (1)
- (5)
- (2)
- (6)
- (5)
- (1)
- (4)
- (4)
- (2)
- (2)
- (2)
- (2)
- (2)
- (2)
- (1)
- (9)
- (1)
- (5)
- (1)
- (58)
- (2)
- (10)
- (17)
- (1)
- (3)
- (2)
- (2)
- (3)
- (1)
- (3)
- (1)
- (2)
- (1)
- (18)
- (5)
- (2)
- (1)
- (2)
- (12)
- (1)
- (2)
- (3)
- (2)
- (2)
- (3)
- (1)
- (2)
- (1)
- (4)
- (26)
- (1)
- (2)
- (4)
- (1)
- (3)
- (3)
- (1)
- (2)
- (11)
- (10)
- (1)
- (4)
- (3)
- (3)
- (6)
- (2)
- (3)
- (7)
- (1)
- (6)
- (1)
- (1)
- (1)
- (1)
- (1)
- (1)
- (1)
- (11)
- (1)
- (2)
- (9)
- (4)
- (3)
- (1)
- (1)
- (6)
- (4)
- (10)
- (1)
- (5)
- (1)
- (1)
- (1)
- (12)
- (2)
- (43)
- (6)
- (1)
- (6)
- (1)
- (2)
- (1)
- (1)
- (1)
- (16)
- (5)
- (9)
- (1)
- (11)
- (1)
- (1)
- (5)
- (1)
- (3)
- (2)
- (1)
- (13)
- (3)
- (1)
- (1)
- (2)
- (5)
- (26)
- (2)
- (8)
- (1)
- (1)
- (1)
- (1)
- (4)
- (5)
- (1)
- (1)
- (3)
- (3)
- (1)
- (1)
- (1)
- (2)
- (7)
- (3)
- (21)
- (3)
- (522)
- (125)
- (39)
- (16)
- (2)
- (9)
- (23)
- (6)
- (3)
- (19)
- (35)
- (4)
- (31)
- (2)
- (2)
- (7)
- (7)
- (18)
- (2)
- (3)
- (85)
- (1)
- (10)
- (3)
- (1)
- (23)
- (84)
- (4)
- (2)
- (2)
- (56)
- (305)
- (2)
- (24)
- (9)
- (82)
- (13)
- (4)
- (1)
- (6)
- (2)
- (13)
- (9)
- (10)
- (1)
- (1)
- (2)
- (14)
- (23)
- (8)
- (22)
- (82)
- (11)
- (26)
- (11)
- (82)
- (93)
- (31)
- (1)
- (35)
- (2)
- (14)
- (13)
- (8)
- (3)
- (30)
- (33)
- (82)
- (9)
- (11)
- (1)
- (10)
- (82)
- (3)
- (1)
- (82)
- (3)
- (7)
- (7)
- (2)
- (1)
- (34)
- (11)
- (1)
- (13)
- (3)
- (1)
Filtered Search Results

Thermo Scientific™ 4000 Series Monosized Particles
Minimize response of analytic systems to shape effects with monosized particles.
Includes | Certificate of Calibration and Traceability to NIST |
---|---|
Particle Density | 1.05g/cm³ |
Stability | Product stable for a minimum of 24 months |
Description | NIST traceable particles that provide calibration of laser particle counters |
Product Type | Size Standard Particles |
Color | White or Colorless |
Material | Polystyrene |
Certifications/Compliance | Each package of standards contains a Certificate of Calibration and Traceability to NIST which includes a description of the calibration method and its uncertainty, and a table of chemical and physical properties. |
For Use With (Application) | Narrow Size Standard Deviation Applications |
Thermo Scientific™ 3K/4K Series Particle Counter Standards
Ensure accurate and convenient calibration of laser particle counters with Thermo Scientific™ 3K/4K Series Particle Counter Standards.
Includes | Certificate of Calibration and Traceability to NIST |
---|---|
Additive | Contains trace amount of surfactant to inhibit agglomeration and promote stability |
Description | NIST traceable particles that provide calibration of laser particle counters |
Contents | Polymer particles in water |
Product Type | Count Control Particles |
Color | White or Colorless |
Refractive Index | 1.59 at 589nm (25°C) |
Quantity | 15 mL |
Material | Polystyrene |
For Use With (Application) | Laser Particle Counter Calibration |
Thermo Scientific™ 9000 Series Glass Particle Standards
Replace polystyrene spheres in many applications with dry glass NIST™-traceable size standards.
Content And Storage | Store at room temperature. Keep bottle tightly sealed to avoid contamination. |
---|---|
Additive | None |
Stability | Product stable for a minimum of 24 months |
Product Type | Size Standard Particles |
Color | White |
Quantity | 1 g |
For Use With (Application) | Narrow Size Standard Deviation Applications |
Invitrogen™ FluoSpheres™ Carboxylate-Modified Microspheres
Achieve the brightest fluorescence with Carboxylate-Modified FluoSphere Microspheres, available in different colors and particle sizes.


Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
Product Type | Carboxylate-Modified Microsphere |
---|---|
Surface Modification | Carboxylate |
Material | Polystyrene |
For Use With (Application) | Fluorescence Microscopy |
Product Line | FLUOSPHERES™ |
Thermo Scientific™ Duke Standards™ 2000 Series Uniform Polymer Particles
Analyze wide size range materials through laser diffraction or other methods with uniform polymer particles that mimic real world particles.
Includes | Material Safety Data Sheet (MSDS), Certificate of Calibration and Traceability to NIST |
---|---|
Particle Density | 1.05g/cm³ |
Content And Storage | Store at room temperature or keep refrigerated. Keep bottle tightly sealed to avoid contamination. |
Additive | Contains trace amount of surfactants |
Stability | =24 months |
Product Type | Polymer Particles |
Color | White or Colorless |
Refractive Index | 1.59 at 589nm (25°C) |
Quantity | 15 mL |
Material | Polystyrene Divinylbenzene (PS-DVB) |
For Use With (Application) | Narrow Size Standard Deviation Applications |
Thermo Scientific™ Fluoro-Max Dyed Green Aqueous Fluorescent Particles
Improve sensitivity and detectability for analytical methods with green aqueous fluorescent particles.
Includes | Package Insert Sheet |
---|---|
Particle Density | 1.05g/cm³ |
Content And Storage | Unless otherwise stated, refrigerate (2° to 8°C) product when not in use but do not freeze. Store upright and keep bottle tightly sealed. Mix product with gentle inversion by hand or vortex mixer. Product comes with stir bar for continual mixing duriong sampling. |
Additive | Trace amounts of surfactant to inhibit agglomeration and promote stability |
Stability | Product stable for a minimum of 24 months |
Contents | Dyed polystyrene microspheres in water |
Product Type | Fluorescent Particle |
Color | Green |
Refractive Index | 1.59 at 589nm (25°C) |
Material | Polystyrene |
Concentration | 1% solids |
Dye Type | Firefli™ Fluorescent Green (468/508nm) |
Molecular Probes™ CML Latex Beads, 4% w/v, 1.0 μm
Microspheres (also called latex beads or latex particles) are spherical particles in the colloidal size range that are formed from an amorphous polymer such as polystyrene.


Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
Thermo Scientific™ ChromoSphere™-T Certified Size Standards
Achieve high visual contrast with Thermo Scientific™ ChromoSphere™-T Certified Size Standards, colored polymer microspheres with NIST™-traceable diameters.
Particle Density | 1.05g/cm³ |
---|---|
Content And Storage | Store at room temperature in a dry area. Store upright and keep bottle tightly sealed. Respiratory protection from dust is recommended. |
Stability | Product stable for a minimum of 24 months |
Description | Designed for use as reference or calibration materials in applications where high contrast is required. |
Quantity | 1 g |
Material | Polystyrene Divinylbenzene (PS-DVB) |
Concentration | 100% solids |
For Use With (Application) | Cleaning Evaluation,High Contrast Reference and Calibration |
Includes | Certificate of Calibration and Traceability to NIST |
Additive | May contain trace amount of dispersant |
Contents | Dry dyed polystyrene (DVB) microspheres |
Product Type | Size Standard Particles |
Refractive Index | 1.59 at 589nm (25°C) |
Certifications/Compliance | Certificate of Calibration and Traceability to NIST |
Molecular Probes™ FluoSpheres™ Sulfate-Modified Microspheres, 0.02–4.0 μm
Perform flow cytometry, microscopy, HTS, and HCS with our FluoSpheres Sulfate-Modified Microspheres, featuring different bead diameters.


Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
Shipping Condition | Room Temperature |
---|---|
Content And Storage | Store in refrigerator (2–8°C) and protect from light. |
Product Type | Microsphere |
Surface Modification | Sulfate |
Material | Polystyrene |
For Use With (Application) | Cell Analysis |
Product Line | FLUOSPHERES™ |
Thermo Scientific™ Fluoro-Max Green and Red Dry Fluorescent Particles
Improve sensitivity and detectability for analytical methods with fluorescent particles that feature bright, distinct colors.
Includes | Package Insert Sheet |
---|---|
Particle Density | 1.05g/cm³ |
Content And Storage | Store at room temperature in a dry area. Store upright and keep bottle tightly sealed. Respiratory protection from dust is recommended. |
Additive | May contain trace amount of dispersant |
Stability | Product stable for a minimum of 24 months |
Contents | Dry dyed polystyrene (DVB) microspheres |
Product Type | Fluorescent Particle |
Refractive Index | 1.59 at 589nm (25°C) |
Material | Polystyrene Divinylbenzene (PS-DVB) |
Thermo Scientific™ COUNT-CAL™ Count Precision Size Standards
Minimize contamination by eliminating the need for serial dilutions and extensive sample handling with Thermo Scientific™ COUNT-CAL™ Count Precision Size Standards.
Includes | Certificate of Calibration and Traceability to NIST, Particle Counting Protocol |
---|---|
Stability | Product stable for a minimum of six months |
Description | Products provide a precise method for calibrating or checking the performance of laser particle counters |
Contents | Polystyrene microspheres in water |
Product Type | Count Control Particles |
Color | White or Colorless |
Refractive Index | 1.59 at 589nm (25°C) |
Quantity | 6 x 25 mL |
Material | Polystyrene |
Concentration | 3000 particles/mL ± 10% |
Certifications/Compliance | Certificate of Calibration and Traceability to NIST |
For Use With (Application) | Liquid Particle Counter Validation,USP Verification |
Size Distribution | <3% |
Thermo Scientific™ Ezy-Cal™ Count Precision Size Standards
Meet the unique and demanding requirements of the contamination control laboratory in modern industries.
Stability | Product stable for a minimum of three months |
---|---|
Contents | Polystyrene microspheres in water |
Product Type | Count Control Particles |
Color | White or Colorless |
Refractive Index | 1.59 at 589nm (25°C) |
Quantity | 100 mL |
Material | Polystyrene |
Concentration | 2000 particles/mL ± 10% |
For Use With (Application) | Liquid Particle Counter Calibration |
Thermo Scientific™ 3000 Series Nanosphere™ Size Standards
Conveniently check the sizes of bacteria, viruses, ribosomes and sub-cellular components with these size standards.
Particle Density | 1.05g/cm³ |
---|---|
Content And Storage | Unless otherwise stated, refrigerate (2° to 8°C) product when not in use but do not freeze. Store upright and keep bottle tightly sealed. Mix product with gentle inversion by hand or vortex mixer. |
Stability | Product stable for a minimum of 24 months |
Description | 3000 Series Nanosphere Size Standards come in optimized concentrations for easy dispersal and colloidal stability. |
Color | White or Colorless |
Quantity | 15 mL |
Material | Polystyrene |
Concentration | 1% solids |
For Use With (Application) | Electron Microscope Calibration |
Includes | Certificate of Calibration and Traceability to NIST |
Additive | Contains trace amount of surfactant to inhibit agglomeration and promote stability |
Contents | Polymer particles in water |
Product Type | Size Standard Particles |
Refractive Index | 1.59 at 589nm (25°C) |
Thermo Scientific™ ChromoSphere™ Dry Dyed Polymer Particles
Achieve high visual contrast with polymer particles that are internally and deeply dyed in intense red or black.
Includes | Material Safety Data Sheet (MSDS) |
---|---|
Particle Density | 1.05g/cm³ |
Content And Storage | Store at room temperature. Keep bottle tightly sealed to avoid contamination. |
Additive | May contain trace amount of dispersant |
Stability | Product stable for a minimum of 24 months |
Contents | Dry dyed polystyrene (DVB) microspheres |
Product Type | Polymer Particles |
Refractive Index | 1.59 at 589nm (25°C) |
Material | Polystyrene Divinylbenzene (PS-DVB) |
Uniformity | <10% |
Molecular Probes™ CML Latex Beads, 4% w/v, 10 μm
Microspheres (also called latex beads or latex particles) are spherical particles in the colloidal size range that are formed from an amorphous polymer such as polystyrene.

Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More