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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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Keyword Search:
1 – 15 of 279 results
1

Gibco™ Dynabeads™ Human Treg Expander  DFS Item

Dynabeads Human Treg Expander 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 regulatory T cells (Tregs).

2

Thermo Scientific™ Fluoro-Max™ Fluorescent Carboxylate-Modified Particles

Lower detection limits of fluorescent assays by limiting background interference from relatively short-lived matrix fluorescence.

Particle Density 1.06g/cm³
Content And Storage Unless otherwise stated, refrigerate (2° to 8°C) product when not in use but do not freeze. Shipment at ambient temperature. Store upright and keep bottle tightly sealed. Mix product with gentle inversion by hand or vortex mixer.
Stability Product stable for a minimum of 36 months
Color White
Binding Property Carboxylate-modified
Material Polystyrene or Polystyrene with Coploymer Grafted Surface
Concentration 1% solids
Dye Type Europium Chelate
Includes Package Insert Sheet containing Certicate of Analysis
Additive 0.05% Sodium Azide
Contents Fluorescent red dyed polystyrene microspheres in water
Product Type Fluroescent Carboxylate-Modified Particle
Surface Modification Carboxylate-Modified
Uniformity <5% CV
4

Invitrogen™ Exosome Immunoprecipitation Reagent (Protein G)  DFS Item

Exosome Immunoprecipitation Reagent (Protein G) enables fast and gentle magnetic isolation of exosomal proteins, causing minimal physical stress to the target protein and allowing comparison of multiple samples on the same gel.

5

Thermo Scientific™ Duke Standards™ 2000 Series Uniform Polymer Particles

Analyze wide size range materials through laser diffraction or other methods with uniform polymer particles that mimic real world particles.

Includes Material Safety Data Sheet (MSDS), Certificate of Calibration and Traceability to NIST
Particle Density 1.05g/cm³
Content And Storage Store at room temperature or keep refrigerated. Keep bottle tightly sealed to avoid contamination.
Additive Contains trace amount of surfactants
Stability =24 months
Product Type Polymer Particles
Color White or Colorless
Refractive Index 1.59 at 589nm (25°C)
Quantity 15 mL
Material Polystyrene Divinylbenzene (PS-DVB)
For Use With (Application) Narrow Size Standard Deviation Applications
6

Invitrogen™ MagniSort™ Human pan-Monocyte Enrichment Kit

Designed for the magnetic separation of conventional CD14+ and unconventional CD16+CD14- monocytes by negative selection.

7

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

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.

8

Thermo Scientific™ PHARM-TROL™ Count Precision Size Standards

Document the reproducibility of a particle counter by permitting a continuous record of its performance.

Includes Certificate of Calibration and Traceability to NIST
Particle Density 1.05g/cm3
Stability Product stable for a minimum of 12 months
Contents Polystyrene microspheres in water
Product Type Count Control Particles
Color White or Colorless
Refractive Index 1.59 at 589nm (25°C)
Material Polystyrene
Concentration 3800 particles/mL ± 15%
For Use With (Application) USP Verification
Size Distribution <3%
9

Molecular Probes™ Carboxyl Latex Beads, 4% w/v, 0.2 μm  DFS Item

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.

10

Invitrogen™ FluoSpheres™ Polystyrene Microspheres, Blood Flow Determination Fluorescent Color Kit #4, 15 μm, four colors  DFS Item

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.

11

Invitrogen™ MagniSort™ Mouse CD11b Positive Selection Kit

Designed for the magnetic separation of CD11b+ cells by positive selection. It has been optimized for the isolation of CD11b+ cells from mouse bone marrow cells or splenocytes utilizing a biotinylated Anti-Mouse CD11b antibody and streptavidin-coated magnetic beads.

12

Thermo Scientific™ Color-Rich Dyed Carboxylate-Modified Particles

Obtain superior test sensitivity in qualitative and quantitative lateral flow tests with Thermo Scientific™ Color-Rich Dyed Carboxylate-Modified Particles.

Includes Certificate of Analysis
Stability Product stable for a minimum of 24 months
Contents Dyed polystyrene microspheres in water
Product Type Carboxylate-Modified Particle
Surface Modification Carboxylate-Modified
Refractive Index 1.59 at 589nm (25°C)
Binding Property Carboxylate-modified
Uniformity <5% CV
13

Invitrogen™ Dynabeads™ CD25  DFS Item

Isolate CD25+ T-cells directly from whole blood or PBMC. Dynabeads™ CD25 are ideal for depleting CD25+ T-cells and for direct positive isolation for downstream molecular analysis.

14

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.

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
15

Molecular Probes™ CML Latex Beads, 4% w/v, 3 μm  DFS Item

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.