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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16
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.
Encompass Procurement Services
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
17
Thermo Scientific™ PHARM-TROL™ Count Precision Size Standards
Document the reproducibility of a particle counter by permitting a continuous record of its performance.
| Includes | Certificate of Calibration and Traceability to NIST |
|---|---|
| Particle Density | 1.05g/cm3 |
| Stability | Product stable for a minimum of 12 months |
| Contents | Polystyrene microspheres in water |
| Product Type | Count Control Particles |
| Color | White or Colorless |
| Refractive Index | 1.59 at 589nm (25°C) |
| Material | Polystyrene |
| Concentration | 3800 particles/mL ± 15% |
| For Use With (Application) | USP Verification |
| Size Distribution | <3% |
18
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 |
19
Thermo Scientific™ 5000 Series 0.03μm to 0.30μm Polymer Particle Suspensions
Optimize research in light scattering, microporous filter checking, and aerosol particle generation with these particle 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 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 |
20
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 |
21
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) |
22
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) |
23
Thermo Scientific™ Dri-Cal™ Particle Size Standards
Use Thermo Scientific™ Dri-Cal™ Particle Size Standards for calibrating particle sizing and counting instruments that require dry particles.
| 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 | Used for calibrating particle sizing and counting instrumentation that require dry particles for measuring dry media. |
| Color | White |
| Quantity | 1 g |
| Material | Polystyrene Divinylbenzene (PS-DVB) |
| Concentration | 100% solids |
| For Use With (Application) | Dry Particle Counter Calibration |
| Includes | Certificate of Calibration and Traceability |
| 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) |
24
Molecular Probes™ Aliphatic Amine Latex Beads, 2% w/v, 3 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.
Encompass Procurement Services
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
25
Invitrogen™ FluoSpheres™ Polystyrene Microspheres, 15 μm, scarlet fluorescent (645/680), for blood flow determination
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.
Encompass Procurement Services
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
26
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 |
27
Invitrogen™ FluoSpheres™ Polystyrene Microspheres, Blood Flow Determination Fluorescent Color Kit #2, 15 μm, seven colors
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.
Encompass Procurement Services
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
28
Invitrogen™ FluoSpheres™ NeutrAvidin™-Labeled Microspheres, 0.2 μm, yellow-green fluorescent (505/515), 1% 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.
Encompass Procurement Services
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
29
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% |
30
Invitrogen™ FocalCheck™ Fluorescence Microscope Test Slide #1, for alignment, intensity, & calibration
For confocal and fluorescence microscope calibration
Encompass Procurement Services
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More