Microspheres
Microspheres
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Filtered Search Results
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™ 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™ 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. |
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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 |
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™ 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% |
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 |
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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) |
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 |
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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 |
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% |
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 |
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Surface Modification | Carboxylate |
Material | Polystyrene |
For Use With (Application) | Fluorescence Microscopy |
Product Line | FLUOSPHERES™ |
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) |
Molecular Probes™ FluoSpheres™ Size Kit #1, Carboxylate-modified Microspheres, red fluorescent (580/605), 2% solids, six sizes
FluoSpheres™ Size Kit #1, Carboxylate-modified Microspheres, red fluorescent (580/605), 2% solids, six sizes
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 |
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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 |
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 |
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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™ |
Invitrogen™ Dynabeads™ Streptavidin Trial Kit
The Dynabeads Streptavidin Trial Kit contains four different streptavidin-coated Dynabeads products making it more convenient to test out which of the beads perform best in a specific application.
Invitrogen™ Dynabeads™ MyOne™ Streptavidin T1
Dynabeads MyOne Streptavidin T1 are the gold standard for isolation and handling of biotinylated nucleic acids, antibodies, or other biotinylated ligands and targets.