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™ 4000 Series Monosized Particles

Minimize response of analytic systems to shape effects with monosized particles.

Pricing and Availability
Specifications

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

Thermo Scientific™ 3000 Series Nanosphere™ Size Standards

Conveniently check the sizes of bacteria, viruses, ribosomes and sub-cellular components with these size standards.

Pricing and Availability
Specifications

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)

Molecular Probes™ Carboxyl Latex Beads, 4% w/v, 0.7 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.

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Molecular Probes™ CML Latex Beads, 4% w/v, 10 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.

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Molecular Probes™ Carboxyl Latex Beads, 4% 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.

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Invitrogen™ MagniSort™ Human Hematopoietic Lineage Depletion Kit

Designed for the magnetic depletion of lineage positive cells from normal human peripheral blood mononuclear cells. Magnisort Human Hematopoietic Lineage Depletion Kit uses a biotinylated antibody cocktail and streptavidin-coated magnetic beads.

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Invitrogen™ FocalCheck™ Microspheres, 15 μm, fluorescent green ring stain/dark red throughout

Fluorescent green/orange/dark-red ring stains

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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.

Pricing and Availability
Specifications

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

Invitrogen™ Dynabeads™ CD31 Endothelial Cell

>Isolate endothelial cells directly from tissue digests. Dynabeads™ CD31 are ideal for positively isolating endothelial cells for downstream molecular analysis.

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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

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%

Invitrogen™ eBioscience™ MagniSort™ Human CD19 Positive Selection Kit

Designed for the magnetic separation of CD19+ cells by positive selection. It has been optimized for the isolation of CD19+ cells from normal human peripheral blood mononuclear cells, utilizing a biotinylated Anti-Human CD19 antibody and streptavidin-coated magnetic beads.

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Invitrogen™ TetraSpeck™ Fluorescent Microspheres Sampler Kit

Beads are stained throughout with four different fluorescent dyes

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Invitrogen™ Exosome Immunoprecipitation Reagent (Protein A)

Exosome Immunoprecipitation Reagent (Protein A) enables gentle magnetic isolation of exosomal proteins, causing minimal physical stress to the target protein.

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Invitrogen™ Exosome-Human CD81 Isolation Reagent (from cell culture)

Obtain a highly pure exosome subset with easy protocol scalability with Exosome-Human CD81 Isolation Reagent (from cell culture).

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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.

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Microspheres

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