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.

1 – 15 of 279 results

Invitrogen™ FluoSpheres™ Carboxylate-Modified Microspheres

Achieve the brightest fluorescence with Carboxylate-Modified FluoSphere Microspheres, available in different colors and particle sizes.

Pricing and Availability
Specifications

Product Type	Carboxylate-Modified Microsphere
Surface Modification	Carboxylate
Material	Polystyrene
For Use With (Application)	Fluorescence Microscopy
Product Line	FLUOSPHERES™

Molecular Probes™ FluoSpheres™ Size Kit #2, Carboxylate-modified Microspheres, yellow-green fluorescent (505/515), 2% solids, six sizes

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

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™ 9000 Series Glass Particle Standards

Replace polystyrene spheres in many applications with dry glass NIST™-traceable size standards.

Pricing and Availability
Specifications

Content And Storage	Store at room temperature. Keep bottle tightly sealed to avoid contamination.
Additive	None
Stability	Product stable for a minimum of 24 months
Product Type	Size Standard Particles
Color	White
Quantity	1 g
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)

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™ FluoSpheres™ Polystyrene Microspheres, 15 μm, blue fluorescent (365/415), 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.

Pricing and Availability

Invitrogen™ TetraSpeck™ Microspheres, 1.0 μm, fluorescent blue/green/orange/dark red

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

Pricing and Availability

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

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

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™

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

Thermo Scientific Chemicals Hydroxyapatite nanoparticles, 5-10% (w/v) aqueous colloidal dispersion, 20-50nm particles

Synonym: nHAP; Nano- hydroxyapatite

Pricing and Availability
Specifications

Synonym	nHAP; Nano- hydroxyapatite

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™

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

Microspheres

Microspheres

Filtered Search Results

Narrow Results