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™ 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)

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™ Ezy-Cal™ Count Precision Size Standards

Meet the unique and demanding requirements of the contamination control laboratory in modern industries.

Pricing and Availability
Specifications

Stability	Product stable for a minimum of three months
Contents	Polystyrene microspheres in water
Product Type	Count Control Particles
Color	White or Colorless
Refractive Index	1.59 at 589nm (25°C)
Quantity	100 mL
Material	Polystyrene
Concentration	2000 particles/mL ± 10%
For Use With (Application)	Liquid Particle Counter Calibration

Corning™ Calcein AM Fluorescent Dye

Reliable and consistent dye used for the detection of live cells and key functional activities in variety of cell-based assays

Pricing and Availability
Specifications

Content And Storage	-20°C
For Use With (Equipment)	Falcon FluoroBlok™ Cell culture inserts and insert systems to label cells

Invitrogen™ Total Exosome Isolation Reagent (from serum)

Total Exosome Isolation Reagent (from serum) enables fast and efficient enrichment of intact exosomes from blood serum samples with our simple and reliable protocol.

Pricing and Availability

Invitrogen™ Total Exosome RNA & Protein Isolation Kit

The Total Exosome RNA and Protein Isolation Kit enables isolation of total RNA and proteins from exosome samples extracted from biological fluids (e.g., by using a Total Exosome Isolation (from cell culture media) or Total Exosome Isolation (from serum).

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Invitrogen™ Total Exosome Isolation Reagent (from cell culture media)

Total Exosome Isolation Reagent (from cell culture media) enables fast and efficient enrichment of intact exosomes from cell culture media samples.

Pricing and Availability

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).

Pricing and Availability

Applied Biosystems™ Dynabeads™ MPC™-S (Magnetic Particle Concentrator)

Our Magnetic Particle Concentrators (MPC™) enable optimal binding of Dynabeads™ magnetic beads with their targets in a variety of starting samples.

Pricing and Availability

Invitrogen™ CELLection™ Biotin Binder Kit

Use this kit with any biotinylated antibody for the positive isolation of a cell population including mouse cells.

Pricing and Availability

Gibco™ Dynabeads™ Human T-Activator CD3/CD28/CD137

Dynabeads Human T-Activator CD3/CD28/CD137 beads are 4.5-μm superparamagnetic beads covalently coupled with an optimized combination of anti-human CD3, CD28, and CD137 antibodies and intended for ex vivo expansion/proliferation of human antigen (Ag)-specific T cells.

Pricing and Availability
Specifications

Shipping Condition	Ambient Temperature
Content And Storage	DynaBeads Human T-Activator CD3/CD28/CD137 are supplied in PBS, pH 7.4, with 0.1% HSA. Store at 2°C to 8°C.
Target Species	Human T-cells
Host Species	Mouse
Description	Monoclonal antibodies covalently bound to DynaBeads magnetic Beads
Surface Functionality	Epoxy
Isolation Technology	Magnetic Beads
Material	Magnetic Polystyrene
Concentration	5.4 x 10⁵ Beads/mL
For Use With (Application)	Activation and Expansion of T-cells
Cell Type	Human antigen-specific T-cells
Regulatory Status	For Research Use Only
Reactivity	Human
For Use With (Equipment)	DynaMag™ Magnet
Product Type	Antibody Coated Bead
Diameter (Metric)	4.5 μm
Sample Type	Pre-isolated human antigen-specific T-cells from cell lines or clones
Shelf Life	36 months from date of manufacture
Certifications/Compliance	ISO9001 and ISO13485
Uniformity	Monosized 4.5 μm (CV <5%)
Product Line	Dynabeads

Gibco™ Dynabeads™ Human T-Activator CD3/CD28 for T Cell Expansion and Activation

Dynabeads Human T-Activator CD3/CD28 beads are 4.5-μm superparamagnetic beads covalently coupled with an optimized combination of anti-human CD3 and anti-human CD28 antibodies and intended for ex vivo activation and expansion/proliferation of human T cells.

Pricing and Availability
Specifications

Shipping Condition	Ambient Temperature
Clonality	Monoclonal
Target Species	Human T-cells
Host Species	Mouse
Surface Functionality	Epoxy
Isolation Technology	Magnetic Beads
Material	Magnetic Polystyrene
Concentration	4 x 10 ⁷ Beads/mL
For Use With (Application)	Activation and Expansion of T-cells
Regulatory Status	For Research Use Only
Reactivity	Human
For Use With (Equipment)	DynaMag™ Magnet
Product Type	Antibody Coated Bead
Diameter (Metric)	4.5 μm
Shelf Life	24 months from date of manufacture
Certifications/Compliance	ISO9001 and ISO13485
Uniformity	Monosized 4.5 μm (CV <5%)
Product Line	DynaBeads

Gibco™ Dynabeads™ Mouse T-Activator CD3/CD28 for T-Cell Expansion and Activation

Dynabeads Mouse T-Activator CD3/CD28 beads are 4.5-μm superparamagnetic beads covalently coupled with an optimized combination of anti-mouse CD3 and anti-mouse CD28 antibodies and intended for ex vivo activation and expansion/proliferation of mouse T cells.

Pricing and Availability
Specifications

Shipping Condition	Ambient Temperature
Clonality	Monoclonal
Target Species	Mouse T-cells
Host Species	Hamster
Description	Monoclonal antibodies covalently bound to DynaBeads magnetic Beads
Surface Functionality	Epoxy
Isolation Technology	Magnetic Beads
Color	Brown
Material	Magnetic Polystyrene
Concentration	4 x 10 ⁷ Beads/mL
For Use With (Application)	Activation and Expansion of T-cells
Cell Type	Mouse T-cells
Regulatory Status	For Research Use Only
Reactivity	Mouse
For Use With (Equipment)	DynaMag™ Magnet
Product Type	Cell Expansion and Activation Kit
Diameter (Metric)	4.5 μm
Sample Type	Cell Cultures, Lymph Node, Spleen
Shelf Life	36 months from date of manufacture
Certifications/Compliance	ISO9001 and ISO13485
Uniformity	Monosized 4.5 μm (CV <5%)
Product Line	DynaBeads

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.

Pricing and Availability

Invitrogen™ Dynabeads™ FlowComp™ Human CD4 Kit

This gentle and easy-to-use kit allows you to isolate flow-compatible human CD4+ T-cells from PBMC or directly from whole blood.

Pricing and Availability

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