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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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.

Pricing and Availability
Specifications

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

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.

Pricing and Availability
Specifications

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

Thermo Scientific™ Fluoro-Max Dyed Green Aqueous Fluorescent Particles

Improve sensitivity and detectability for analytical methods with green aqueous fluorescent particles.

Pricing and Availability
Specifications

Includes	Package 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. 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)

Thermo Scientific™ Fluoro-Max Fluorescent Streptavidin-Coated Particles

Simplify the binding process with a universal binding reagent.

Pricing and Availability
Specifications

Particle Density	1.06g/cm³
Diameter (Metric) Nominal	0.3 μm
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
Diameter (Metric) Mean	0.3 μm
Color	White
Binding Property	Streptavidin
Material	Polystyrene or Polystyrene with Coploymer Grafted Surface Coated with Streptavidin
Concentration	1% solids
Dye Type	Europium Chelate
For Use With (Application)	Immunohistological Studies
Includes	Package Insert Sheet containing Certicate of Analysis
Additive	0.05% Sodium Azide
Contents	Fluorescent red dyed polystyrene microspheres in water
Product Type	Fluorescent Streptavidin-Coated Particles
Diameter (Metric)	0.3 μm
Surface Modification	Streptavidin
Parking Area	Biotin binding of ∼1000pmol/mg
Uniformity	<5% CV

Thermo Scientific™ Fluoro-Max Dyed Blue Aqueous Fluorescent Particles

Achieve improved sensitivity and detectability in analytical methods with internally dyed microspheres that feature bright, high-contrast colors.

Pricing and Availability
Specifications

Includes	Package 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. 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	Blue
Refractive Index	1.59 at 589nm (25°C)
Material	Polystyrene
Dye Type	Firefli Fluorescent Blue (365,388,412/ 445,445,473)

Invitrogen™ TetraSpeck™ Fluorescent Microspheres Size Kit (mounted on slide)

For calibration of wide field, TIRF and confocal fluorescence microscopes, especially for multicolor applications like colocalization analysis and derivation of point spread functions critical for deconvolution

Pricing and Availability

Molecular Probes™ Sulfate Latex Beads, 8% w/v, 2 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.

Pricing and Availability

Molecular Probes™ Sulfate Latex Beads, 8% 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.

Pricing and Availability

Invitrogen™ TetraSpeck™ Fluorescent Microspheres Sampler Kit

Beads are stained throughout with four different fluorescent dyes

Pricing and Availability

Invitrogen™ TetraSpeck™ Microspheres, 4.0 μm, fluorescent blue/green/orange/dark red

Beads that each display four well-separated excitation/emission peaks

Pricing and Availability

Molecular Probes™ Aldehyde/Sulfate Latex Beads, 4% w/v, 9 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.

Pricing and Availability

Invitrogen™ TetraSpeck™ Microspheres, 0.2 μm, fluorescent blue/green/orange/dark red

Beads that each display four well-separated excitation/emission peaks

Pricing and Availability

Applied Biosystems™ Dynabeads™ anti-E. coli O157

Dynabeads E. coli anti-O157 is a tool for better sample preparation and improved cell culture and immuno-based assays for E. coli O157:H7 in food, feces, water and other environmental samples.

Pricing and Availability
Specifications

Shipping Condition	Room Temperature
For Use With (Equipment)	Dynabeads™ MPC™, KingFisher mL Food Protection Purification System, DynaMag™-2
Product Type	Anti-E.coli O157 Bead
Isolation Technology	Immunomagnetic Separation
Product Line	Dynabeads
Prep Scale	Small Volume Microbial Samples

Invitrogen™ Dynabeads™ Sheep-Anti Mouse IgG

Dynabeads™ Sheep anti-Mouse IgG binds monoclonal mouse IgG of your choice for specific cell isolation or depletion.

Pricing and Availability

Invitrogen™ Dynabeads™ Goat Anti-Mouse IgG

Use with any mouse IgG for depletion, or for positive isolation of cells for molecular purposes.

Pricing and Availability

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