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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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1

Thermo Scientific™ 3000 Series Nanosphere™ Size Standards

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

EDGE
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)
2

Thermo Scientific™ 4000 Series Monosized Particles

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

EDGE
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
3

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.

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
5

Thermo Scientific™ Ezy-Cal™ Count Precision Size Standards

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

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
6

Invitrogen™ Dynabeads™ CD45  DFS Item

Dynabeads™ CD45 are superparamagnetic beads covalently coupled to anti-human CD45 antibody that enable isolation or depletion of CD45+ leucocytes directly from whole blood, buffy coat, or MNC suspensions.

7

Invitrogen™ FluoSpheres™ Polystyrene Microspheres, 15 μm, crimson fluorescent (625/645), for blood flow determination  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™ 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
9

Invitrogen™ Dynabeads™ Biotin Binder

Dynabeads Biotin Binder contains 2.8 μm superparamagnetic beads that bind biotinylated antibodies (or other biotinylated ligands), allowing you to isolate cells from any species (e.g., human, mouse, rat, non-human primates, and cell lines).

Shipping Condition Room Temperature
Target Species All species
Purity or Quality Grade Research Grade
Product Type Biotin Binder
Diameter (Metric) 2.8 μm
Sample Type PBMC, Tissue Digests, Blood
Output Viability >95%
Cell Type All cells from all species
10

Invitrogen™ FluoSpheres™ Polystyrene Microspheres, 10 μm, crimson fluorescent (625/645), for blood flow determination  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™ Human CD56 Positive Selection Kit

Designed for the magnetic separation of CD56+ cells by positive selection. It has been optimized for the isolation of CD56+ cells from human normal peripheral blood mononuclear cells utilizing a biotinylated Anti-human CD56 antibody and streptavidin-coated magnetic beads.

12

Invitrogen™ MagniSort™ Mouse CD8 Positive Selection Kit

Designed for the magnetic separation of CD8+ cells by positive selection. It has been optimized for the isolation of CD8+ cells from mouse spleens or lymph nodes utilizing a biotinylated Anti-Mouse CD8a antibody and streptavidin-coated magnetic beads.

13

Invitrogen™ Dynabeads™ CD15

Dynabeads CD15 are superparamagnetic beads covalently coupled with an anti-human CD15 antibody that efficiently depletes human CD15+ myeloid cells directly from whole blood, buffy coat, or PBMC samples. Dynabeads CD15 can also be used to positively isolate CD15+ cells for molecular applications.

Shipping Condition Room Temperature
Target Species Human
Purity or Quality Grade Research Grade
Diameter (Metric) 4.5 μm
Sample Type PBMC, Blood
Output Viability >95%
Cell Type Granulocytes
14

Invitrogen™ Dynabeads™ CD8

Dynabeads CD8 are superparamagnetic beads coupled with an anti-human CD8 antibody that enable easy isolation or depletion of human CD8+ T cells directly from any sample, including whole blood, bone marrow, buffy coat, PBMC and tissue digests.

Shipping Condition Room Temperature
Target Species Human
Purity or Quality Grade Research Grade
Diameter (Metric) 4.5 μm
Sample Type PBMC, Blood
Output Viability >95%