Microspheres
Small, spherical particles available in a range of sizes, colors, and material compositions, and possessing various surface modifications for specialized applications. These applications include use in assaying, calibration, labeling, flow cytometry, etc.
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For Use With (Application)
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1
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467
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1
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 |
2
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) |
3
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Thermo Scientific™ COUNT-CAL™ Count Precision Size Standards
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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% |
4
Invitrogen™ FluoSpheres™ Carboxylate-Modified Microspheres
Achieve the brightest fluorescence with Carboxylate-Modified FluoSphere Microspheres, available in different colors and particle sizes.
| Product Type | Carboxylate-Modified Microsphere |
|---|---|
| Surface Modification | Carboxylate |
| Material | Polystyrene |
| For Use With (Application) | Fluorescence Microscopy |
| Product Line | FLUOSPHERES |
5
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 |
6
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Invitrogen™ TetraSpeck™ Microspheres, 0.1 μm, fluorescent blue/green/orange/dark red
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Invitrogen™ TetraSpeck™ Microspheres, 0.1 μm, fluorescent blue/green/orange/dark red
Beads that each display four well-separated excitation/emission peaks
7
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Thermo Scientific™ 9000 Series Glass Particle Standards
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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 |
8
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 |
9
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) |
10
Invitrogen™ TetraSpeck™ Fluorescent Microspheres Size Kit (mounted on slide)
For calibration of wide field, TIRF and confocal fluorescence microscopes, especially for multicolor applications like colocalization analysis and derivation of point spread functions critical for deconvolution
11
Thermo Scientific™ Validex™ Count Precision Size Standards
Validate the performance of liquid particle counters with Thermo Scientific™ Validex™ Count Precision Size Standards.
| 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 3 months |
| Description | Designed specifically for the drinking water industry to validate the performance of liquid particle counters. |
| Color | White or Colorless |
| Quantity | 500 mL |
| Material | Polystyrene |
| Concentration | 1000 particles/mL ± 10% |
| For Use With (Application) | Liquid Particle Counter Validation |
| Size Distribution | <3 |
| Includes | Certificate of Calibration and Traceability to NIST |
| Additive | Contains trace amount of surfactant |
| Contents | Polymer particles in water |
| Product Type | Count Control Particles |
| Refractive Index | 1.59 at 589nm (25°C) |
12
Thermo Scientific™ SURF-CAL™ Particle Size Standards
Simplify the preparation of calibration wafers with these particle size standards.
| Includes | Certificate of Calibration and Traceability to NIST |
|---|---|
| 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. |
| Additive | None |
| Stability | Product stable for a minimum of 12 months |
| Contents | Polystyrene microspheres in deionized, filtered water |
| Product Type | Size Standard Particles |
| Refractive Index | 1.59 at 589nm (25°C) |
| Quantity | 50 mL |
| Material | Polystyrene |
| For Use With (Application) | SSIS Calibration and Maintenance |
13
Invitrogen™ FluoSpheres™ Polystyrene Microspheres, 1.0 μm, yellow-green fluorescent (505/515), for tracer studies
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.
14
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% |
15
Invitrogen™ TransFluoSpheres™ Carboxylate-Modified Microspheres, 1.0 μm (488/645), 2% solids
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.