Microspheres
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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Material
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For Use With (Application)
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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
Invitrogen™ Dynabeads™ M-280 Streptavidin
Dynabeads M-280 Streptavidin beads are 2.8-μm monosized, monodispersed, superparamagnetic, and hydrophobic beads covalently coupled to streptavidin.
| Shipping Condition | Ambient Temperature |
|---|---|
| Surface Functionality | Tosylactivated, Hydrophobic |
| Color | Brown |
| Binding Property | 650-900 pmoles/mg beads |
| Material | Magnetic Polystyrene |
| Concentration | 10 mg/mL |
| High-throughput Compatibility | High-throughput Compatible |
| For Use With (Application) | Capture of Biotinylated Targets |
| Regulatory Status | For Research Use Only |
| Ligand Type | Streptavidin |
| Format | Beads in suspension |
| For Use With (Equipment) | KingFisher™ Sample Purification System, DynaMag™ magnets |
| Product Type | Streptavidin Magnetic Beads |
| Diameter (Metric) | 2.8 μm |
| Sample Type | Any Sample Type |
| Shelf Life | 36 months from date of manufacture |
| Certifications/Compliance | ISO9001 and ISO13485 |
| Uniformity | Monosized 2.8 μm (CV <5%) |
| Product Line | Dynabeads™ |
3
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) |
4
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 |
5
Thermo Scientific™ Dyed Red Aqueous Fluorescent Particles
Improve sensitivity and detectability for analytical methods with microsphere suspensions that are internally dyed and feature bright, high-contrast colors.
| 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 particles in water |
| Product Type | Fluorescent Particle |
| Color | Red |
| Refractive Index | 1.59 at 589nm (25°C) |
| Material | Polystyrene |
| Concentration | 1% solids |
| Dye Type | Firefli Fluorescent Red (542/612nm) |
6
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 |
7
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™ |
8
Thermo Scientific™ 7000 Series Copolymer Microsphere Suspensions
Meet the need for particulate materials with a variety of particle sizes and properties with Thermo Scientific™ 7000 Series Copolymer Microsphere Suspensions.
| Includes | General product handling 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. |
| Additive | Contains trace amount of surfactant to inhibit agglomeration and promote stability |
| Stability | Product stable for a minimum of 24 months |
| Description | Particles useful as model systems for fluid mechanics experiments and as challenge particles for large pore filtration systems. |
| Product Type | Copolymer Microsphere Suspensions |
| Color | White or Colorless |
| Refractive Index | 1.59 at 589nm (25°C) |
| Concentration | 10% |
| For Use With (Application) | Fluid Mechanics,Large Pore Filtration |
9
Thermo Scientific™ Color-Rich Dyed Carboxylate-Modified Particles
Obtain superior test sensitivity in qualitative and quantitative lateral flow tests with Thermo Scientific™ Color-Rich Dyed Carboxylate-Modified Particles.
| Includes | Certificate of Analysis |
|---|---|
| Stability | Product stable for a minimum of 24 months |
| Contents | Dyed polystyrene microspheres in water |
| Product Type | Carboxylate-Modified Particle |
| Surface Modification | Carboxylate-Modified |
| Refractive Index | 1.59 at 589nm (25°C) |
| Binding Property | Carboxylate-modified |
| Uniformity | <5% CV |
10
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% |
11
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 |
12
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 |
13
Thermo Scientific™ 5000 Series 1.0μm to 3.2μm Polymer Particle Suspensions
Meet the need for particulate materials with a variety of particle sizes and properties.
| Includes | General product handling 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. |
| Additive | Contains trace amount of surfactant to inhibit agglomeration and promote stability |
| Stability | Product stable for a minimum of 24 months |
| Description | Particles useful for such applications as filter evaluation, checking and testing, light scattering research, fluid mechanics research, aerosol particle generation, dispersion studies, and many other research and development projects. They are not intended for use in instrument calibration. |
| Product Type | Polymer Particle Suspensions |
| Color | White or Colorless |
| Refractive Index | 1.59 at 589nm (25°C) |
| Material | Polystyrene |
| Concentration | 10% |
| For Use With (Application) | Aerosol Particle Generation,Dispersion,Filter Evaluation,Light Scattering,Particle Generation |
14
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 |
15
Thermo Scientific™ Cyto-Cal™ Alignment Particles
Achieve exceptional accuracy and feedback on laser power, alignment and noise in excitation and emission optics with Thermo Scientific™ Cyto-Cal™ Alignment Particles.
| 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 | 0.05% Tween-20 Dispersant/Surfactant with 2 mM Sodium Azide preservative |
| Stability | Stable for a minimum of 12 months |
| Contents | Dyed polymer microspheres in water |
| Product Type | Alignment Particle |
| Diameter (Metric) | 3 μm |
| Volume (Metric) | 3 mL |
| Quantity | 3 mL |
| 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. |
| Uniformity | <3% |