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
Invitrogen™ Dynabeads™ MyOne™ Carboxylic Acid
Surface carboxylic acid groups allow covalent amide bond formation to proteins/peptides via primary amino- or sulphydryl groups.
| Shipping Condition | Room Temperature |
|---|---|
| Content And Storage | Store in refrigerator (2–8°C). |
| Purity or Quality Grade | Research Grade |
| Format | Beads in solution |
| Product Type | Carboxylic Acid Magnetic Bead |
| Diameter (Metric) | 1 μm |
| Surface Functionality | Carboxylic Acid |
| Sample Type | Any Sample Type |
| High-throughput Compatibility | High-throughput Compatible |
| For Use With (Application) | Protein Purification and Isolation |
| Elution Volume Min | 5 μL |
| Product Line | Dynabeads™, MyOne™ |
2
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 |
3
Cytiva Sera-Mag SpeedBeads™ Carboxyl Magnetic Beads, hydrophobic
Excellent for coupling oligos or proteins directly to the beads. Their cauliflower-like structure gives Sera-Mag beads high binding capacity. The carboxyl groups on these beads can be activated by standard EDC/EDAC chemistry to react with free amino groups, forming amide bonds.
| Content And Storage | 2°C to 8°C |
|---|---|
| Diameter (Metric) | 1 μm |
| Concentration | 5% solids (50mg/mL) |
| For Use With (Application) | DNA Sample Prep,Protein Purification |
4
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% |
5
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) |
6
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 |
7
Molecular Probes™ Carboxyl Latex Beads, 4% w/v, 0.1 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.
8
Molecular Probes™ Sulfate Latex Beads, 8% w/v, 0.5 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.
9
Invitrogen™ Dynabeads™ Protein G for Immunoprecipitation
Dynabeads Protein G beads are uniform, 2.8-μm superparamagnetic beads with recombinant Protein G (∼17 kDa) covalently coupled to the surface.
| Shipping Condition | Ambient temperature |
|---|---|
| Content And Storage | Store at 2–8°C. |
| Purity or Quality Grade | For Research Use Only |
| Description | Recombinant Protein G covalently bound to Dynabeads |
| Surface Functionality | Protein G |
| Isolation Technology | Magnetic Beads |
| Material | Polystyrene |
| Concentration | 30 mg/mL |
| High-throughput Compatibility | High-throughput Compatible |
| For Use With (Application) | Immunoprecipitation |
| Ligand Type | Protein G |
| Format | Beads in suspension |
| Contents | Dynabeads Protein G are supplied in PBS, pH 7.4 w/0.01% Tween-20, 0.09% NaN3 |
| Preservative | 0.02% NaN3 |
| For Use With (Equipment) | KingFisher™ Sample Purification System, DynaMag™ magnets |
| Product Type | Superparamagnetic Beads |
| Diameter (Metric) | 2.8 μm |
| Purification Target | Antibodies |
| Certifications/Compliance | ISO9001 and ISO13485 |
| Uniformity | Monosized 2.8 mm (CV <5%) |
| Product Line | Dynabeads™ |
10
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% |
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™ 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) |
13
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 |
14
Thermo Scientific™ 5000 Series 0.31μm to 0.93μm Polymer Particle Suspensions
Meet the need for particulate materials with a variety of particle sizes and properties with Thermo Scientific™ 5000 Series Polymer 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% |
15
Molecular Probes™ Nonionic Latex Beads, 4% w/v, 5 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.