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)

Invitrogen™ Dynabeads™ CD2

Dynabeads™ CD2 are magnetic beads that provide a robust and versatile tool to isolate or deplete human CD2⁺ cells directly from any sample, including whole blood, bone marrow, buffy coat, mononuclear cells (MNC), and tissue digests.

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Invitrogen™ FluoSpheres™ Biotin-Labeled Microspheres, 1.0 μm, yellow-green fluorescent (505/515), 1% solids

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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Thermo Scientific™ 7000 Series Copolymer Microsphere Suspensions

Meet the need for particulate materials with a variety of particle sizes and properties with Thermo Scientific™ 7000 Series Copolymer Microsphere 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 as model systems for fluid mechanics experiments and as challenge particles for large pore filtration systems.
Product Type	Copolymer Microsphere Suspensions
Color	White or Colorless
Refractive Index	1.59 at 589nm (25°C)
Concentration	10%
For Use With (Application)	Fluid Mechanics,Large Pore Filtration

Invitrogen™ FocalCheck™ Fluorescence Microscope Test Slide #3, 5 colors, high & low intensities

Five colors, high and low intensities for confocal and fluorescence microscope calibration

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Invitrogen™ Total Exosome Isolation Kit (from plasma)

The Total Exosome Isolation Kit (from plasma) consists of two parts: Total Exosome Isolation Reagent (from plasma) and Proteinase K (20 mg/mL).

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Invitrogen™ Dynabeads™ CD8 Positive Isolation Kit

The Dynabeads™ CD8 Positive Isolation Kit supplies superparamagnetic beads that enable gentle isolation of pure CD8⁺ T cells from whole blood, bone marrow, buffy coat, mononuclear cells (MNC), or tissue digests.

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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.

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

Molecular Probes™ CML Latex Beads, 4% 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, 0.2 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

Invitrogen™ Dynabeads™ Untouched™ Human CD4 T Cells Kit

Use this kit to isolate pure and viable untouched CD4+ T-cells from PBMC by negative isolation. The kit depletes CD8+ T cells, B cells, NK cells, monocytes, platelets, dendritic cells, granulocytes and erythrocytes.

Pricing and Availability
Specifications

Shipping Condition	Room Temperature
Target Species	Human
Purity or Quality Grade	Research Grade
Final Product Type	Cells
Product Type	Cell Isolation Kit
Isolation Technology	Negative Isolation
Product Line	DYNAL, Dynabeads, Untouched
Cell Type	T Cells (CD4)

Invitrogen™ Dynabeads™ Untouched™ Human Monocytes Kit

The Dynabeads Untouched Human Monocytes Kit is used to isolate pure and viable monocytes from PBMC by negative isolation.

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Invitrogen™ TransFluoSpheres™ Streptavidin-Labeled Microspheres, 0.04 μm (488/645), 0.5% solids

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™ Dynabeads™ Human DC Enrichment Kit

Use this kit to enrich viable human dendritic cells (DC's) from PBMC by negative isolation. The kit depletes T cells, B cells, monocytes/ macrophages, granulocytes, NK cells and erythrocytes.

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