Microspheres
Microspheres
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Filtered Search Results
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 |
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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™ Fluoro-Max Dyed Green Aqueous Fluorescent Particles
Improve sensitivity and detectability for analytical methods with green aqueous fluorescent particles.
Includes | Package Insert Sheet |
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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) |
Cytiva Sera-Mag SpeedBeads™ Carboxyl Magnetic Beads, hydrophilic
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 |
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Diameter (Metric) | 1 μm |
Concentration | 5% solids (50mg/mL) |
For Use With (Application) | DNA Sample Prep,Protein Purification |
IBA Lifesciences MagStrep 'Type3' Strep-Tactin Beads 5% Suspension
MagStrep 'type3' Strep-Tactin beads 5% suspension are magnetic beads to purify biotinylated proteins.
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 |
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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 |
Size Distribution | <3% |
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™ 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 |
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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™ 4000 Series Monosized Particles
Minimize response of analytic systems to shape effects with monosized particles.
Includes | Certificate of Calibration and Traceability to NIST |
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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 |
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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 |
Size Distribution | <3% |
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 |
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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) |
Corning™ Calcein AM Fluorescent Dye
Reliable and consistent dye used for the detection of live cells and key functional activities in variety of cell-based assays
Content And Storage | -20°C |
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For Use With (Equipment) | Falcon FluoroBlok™ Cell culture inserts and insert systems to label cells |
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 |
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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™ Fluorescent Carboxylate-Modified Particles
Lower detection limits of fluorescent assays by limiting background interference from relatively short-lived matrix fluorescence.
Particle Density | 1.06g/cm³ |
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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 36 months |
Color | White |
Binding Property | Carboxylate-modified |
Material | Polystyrene or Polystyrene with Coploymer Grafted Surface |
Concentration | 1% solids |
Dye Type | Europium Chelate |
Includes | Package Insert Sheet containing Certicate of Analysis |
Additive | 0.05% Sodium Azide |
Contents | Fluorescent red dyed polystyrene microspheres in water |
Product Type | Fluroescent Carboxylate-Modified Particle |
Surface Modification | Carboxylate-Modified |
Uniformity | <5% CV |
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 |
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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% |
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 |
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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 |
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 |
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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) |