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Filtered Search Results

Molecular Probes™ FluoSpheres™ Polystyrene Microspheres, 15 μm, yellow-green fluorescent (505/515), 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.

Non-distribution item offered as a customer accommodation; additional freight charges may apply.
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Thermo Scientific™ Fluoro-Max Green Particulate Marker Particles
Effectively mark the risk zone in evaluating regional ischemia with Thermo Scientific™ Fluoro-Max Green Particulate Marker Particles.
Particle Density | 1.05g/cm³ |
---|---|
Diameter (Metric) Nominal | 1 to 10 μm |
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 |
Diameter (Metric) Mean | 1 to 10 μm |
Color | Green |
Material | Polystyrene Divinylbenzene (PS-DVB) |
Dye Type | Firefli™ Fluorescent Green (360/530nm) |
Includes | Material Safety Data Sheet (MSDS) |
Additive | May contain trace amount of dispersant |
Contents | Dry dyed polystyrene divinylbenzene microspheres |
Product Type | Marker Particle |
Diameter (Metric) | 1 to 10 μm |
Refractive Index | 1.59 at 589nm (25°C) |
Thermo Scientific™ Opti-Bind™ Polystyrene Sulfate Particles
Achieve maximum reactivity in many diagnostic applications with Thermo Scientific™ Opti-Bind™ Polystyrene Sulfate Particles.
Includes | Package Insert and Certificate of Analysis |
---|---|
Content And Storage | 2°C to 8°C |
Description | Opti-Bind Polystyrene Sulfate Particles |
Product Type | Specialty Particles |
Material | Polystyrene Sulfate |
Shelf Life | 10 Years |
Certifications/Compliance | Includes Certificate of Analysis |
Specialty Packaging | Opti-Bind Polystyrene particles are available in different concentrations and package sizes upon request. |
For Use With (Application) | Diagnostic Assays |
Invitrogen™ Dynabeads™ Goat Anti-Mouse IgG
Use with any mouse IgG for depletion, or for positive isolation of cells for molecular purposes.

Non-distribution item offered as a customer accommodation; additional freight charges may apply.
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Invitrogen™ Dynabeads™ Rat Anti-Mouse IgM
All cells from all species except from mouse can be isolated with this product, depending only on the specific antibody of choice.

Non-distribution item offered as a customer accommodation; additional freight charges may apply.
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Invitrogen™ Dynabeads™ FlowComp™ Flexi Kit
Allows isolatation of practically any cell type from any species or starting sample using selected antibody.

Non-distribution item offered as a customer accommodation; additional freight charges may apply.
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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 |
Thermo Scientific™ Opti-Link™ Carboxylate-Modified Particles
Control sensitivity, specificity and stability with various acid content available within Thermo Scientific™ Opti-Link™ Carboxylate-Modified Particles.
Includes | Package Insert Sheet containing Certicate of Analysis |
---|---|
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 | Proprietary anionic surfactant |
Description | Particles that contain carboxylic acid groups for covalent coupling and that can be used in a variety of applications. |
Product Type | Specialty Particles |
Material | Polystyrene Sulfate |
Certifications/Compliance | Includes Certificate of Analysis |
Specialty Packaging | Opti-Link Carboxylate-Modified Polystyrene particles are available in different concentrations and package sizes upon request. |
For Use With (Application) | Covalent Coupling |
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 |
---|---|
Content And Storage | Unless otherwise stated, refrigerate (2° to 8°C) product when not in use but do not freeze. Shipment at ambient temperature. 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™ 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% |
Cytiva Sera-Mag™ Carboxylate-Modified Magnetic Beads and SpeedBeads
For covalent coupling of proteins and amine-modified ligands based on Sera-Mag™ and SpeedBead technology for fast magnetic separation.
Ligand Type | Carboxylated Polymer Surface |
---|---|
Content And Storage | 4°C |
Contents | Magnetic Beads and Speed Beads |
Product Type | Dye Reagents |
Diameter (Metric) | 3 μm |
Color | Black |
Material | Magnetite |
Concentration | 50 mg/mL |
Cytiva Sera-Mag™ Streptavidin Magnetic Beads, low biotin binding capacity
Their cauliflower-like structure gives Sera-Mag beads high binding capacity. Sera-Mag Streptavidin beads contain covalently bound streptavidin and are available with low, medium, or high nominal biotin binding capacities. Choose the biotin-binding capacity needed to optimize your application.
Content And Storage | 2°C to 8°C |
---|---|
Diameter (Metric) | 1 μm |
Concentration | 1% solids (10mg/mL) |
For Use With (Application) | Immunoassays,cDNA Library Construction,Capture of Biotinylated Targets |
Cytiva Sera-Mag™ Streptavidin Magnetic Beads, high biotin binding capacity

Their cauliflower-like structure gives Sera-Mag beads high binding capacity. Sera-Mag Streptavidin beads contain covalently bound streptavidin and are available with low, medium, or high nominal biotin binding capacities. Choose the biotin-binding capacity needed to optimize your application.
Content And Storage | 2°C to 8°C |
---|---|
Diameter (Metric) | 1 μm |
Concentration | 1% solids (10mg/mL) |
For Use With (Application) | Immunoassays,cDNA Library Construction,Capture of Biotinylated Targets |
Micro Particles, Magnetic, Streptavidin coated, 1 μm Particle Size, Std dev <0.1 μm, MilliporeSigma™ Supelco™
Superparamagnetic polystyrene particles
Content And Storage | 2°C to 8°C |
---|---|
Synonym | Polystyrene beads, magnetic, streptavidin coated |
Concentration | 1% (solids) |