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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 – 15 de 280 résultats
1

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.

Densité des particules 1.05g/cm³
Couleur White or Colorless
Stabilité =24 months
Type de produit Polymer Particles
Matériau Polystyrene Divinylbenzene (PS-DVB)
Additif Contains trace amount of surfactants
Indice de réfraction 1.59 at 589nm (25°C)
Quantité 15 mL
Comprend Material Safety Data Sheet (MSDS), Certificate of Calibration and Traceability to NIST
À utiliser avec (application) Narrow Size Standard Deviation Applications
Contenu et stockage Store at room temperature or keep refrigerated. Keep bottle tightly sealed to avoid contamination.
2

Thermo Scientific™ Fluoro-Max Dyed Green Aqueous Fluorescent Particles

Improve sensitivity and detectability for analytical methods with green aqueous fluorescent particles.

Densité des particules 1.05g/cm³
Couleur Green
Stabilité Product stable for a minimum of 24 months
Type de produit Fluorescent Particle
Matériau Polystyrene
Contenu Dyed polystyrene microspheres in water
Additif Trace amounts of surfactant to inhibit agglomeration and promote stability
Indice de réfraction 1.59 at 589nm (25°C)
Comprend Package Insert Sheet
Concentration 1% solids
Type de colorant Firefli™ Fluorescent Green (468/508nm)
Contenu et stockage 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. Product comes with stir bar for continual mixing duriong sampling.
3

Thermo Scientific™ 4000 Series Monosized Particles

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

Densité des particules 1.05g/cm³
Couleur White or Colorless
Certifications/Conformité 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.
Stabilité Product stable for a minimum of 24 months
Description NIST traceable particles that provide calibration of laser particle counters
Type de produit Size Standard Particles
Matériau Polystyrene
Comprend Certificate of Calibration and Traceability to NIST
À utiliser avec (application) Narrow Size Standard Deviation Applications
4

Thermo Scientific™ Ezy-Cal™ Count Precision Size Standards

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

Couleur White or Colorless
Stabilité Product stable for a minimum of three months
Type de produit Count Control Particles
Matériau Polystyrene
Contenu Polystyrene microspheres in water
Indice de réfraction 1.59 at 589nm (25°C)
Quantité 100 mL
Concentration 2000 particles/mL ± 10%
À utiliser avec (application) Liquid Particle Counter Calibration
5

Invitrogen™ FluoSpheres™ Carboxylate-Modified Microspheres  DFS Item

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

Type de produit Carboxylate-Modified Microsphere
Matériau Polystyrene
Modification de surface Carboxylate
Gamme de produits FLUOSPHERES
À utiliser avec (application) Fluorescence Microscopy
6

Molecular Probes™ CML Latex Beads, 4% w/v, 0.1 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.

8

Micro Particles, Magnetic, Streptavidin coated, 1 μm Particle Size, Std dev <0.1 μm, MilliporeSigma™ Supelco™

Superparamagnetic polystyrene particles

Synonyme Polystyrene beads, magnetic, streptavidin coated
Concentration 1% (solids)
Contenu et stockage 2°C to 8°C
9

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.

Couleur White or Colorless
Description NIST traceable particles that provide calibration of laser particle counters
Type de produit Count Control Particles
Matériau Polystyrene
Contenu Polymer particles in water
Additif Contains trace amount of surfactant to inhibit agglomeration and promote stability
Indice de réfraction 1.59 at 589nm (25°C)
Quantité 15 mL
Comprend Certificate of Calibration and Traceability to NIST
À utiliser avec (application) Laser Particle Counter Calibration
10

Thermo Scientific™ Fluoro-Max Green and Red Dry Fluorescent Particles

Improve sensitivity and detectability for analytical methods with fluorescent particles that feature bright, distinct colors.

Densité des particules 1.05g/cm³
Stabilité Product stable for a minimum of 24 months
Type de produit Fluorescent Particle
Matériau Polystyrene Divinylbenzene (PS-DVB)
Contenu Dry dyed polystyrene (DVB) microspheres
Additif May contain trace amount of dispersant
Indice de réfraction 1.59 at 589nm (25°C)
Comprend Package Insert Sheet
Contenu et stockage Store at room temperature in a dry area. Store upright and keep bottle tightly sealed. Respiratory protection from dust is recommended.
11

Invitrogen™ TetraSpeck™ Fluorescent Microspheres Sampler Kit  DFS Item

Beads are stained throughout with four different fluorescent dyes

12

Thermo Scientific™ 3000 Series Nanosphere™ Size Standards

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

Densité des particules 1.05g/cm³
Description 3000 Series Nanosphere Size Standards come in optimized concentrations for easy dispersal and colloidal stability.
Type de produit Size Standard Particles
Matériau Polystyrene
Additif Contains trace amount of surfactant to inhibit agglomeration and promote stability
Concentration 1% solids
À utiliser avec (application) Electron Microscope Calibration
Contenu et stockage 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.
Couleur White or Colorless
Stabilité Product stable for a minimum of 24 months
Contenu Polymer particles in water
Indice de réfraction 1.59 at 589nm (25°C)
Quantité 15 mL
Comprend Certificate of Calibration and Traceability to NIST
13

Thermo Scientific™ Fluoro-Max Fluorescent Streptavidin-Coated Particles

Simplify the binding process with a universal binding reagent.

Densité des particules 1.06g/cm³
Type de produit Fluorescent Streptavidin-Coated Particles
Matériau Polystyrene or Polystyrene with Coploymer Grafted Surface Coated with Streptavidin
Additif 0.05% Sodium Azide
Modification de surface Streptavidin
Diamètre (métrique) 0.3 μm
Concentration 1% solids
Uniformité <5% CV
À utiliser avec (application) Immunohistological Studies
Contenu et stockage 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.
Propriété de liaison Streptavidin
Couleur White
Stabilité Product stable for a minimum of 24 months
Diamètre (métrique) nominal 0.3 μm
Contenu Fluorescent red dyed polystyrene microspheres in water
Zone de parking Biotin binding of ∼1000pmol/mg
Comprend Package Insert Sheet containing Certicate of Analysis
Diamètre (métrique) moyen 0.3 μm
Type de colorant Europium Chelate
14

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.

Densité des particules 1.05g/cm3
Couleur White or Colorless
Stabilité 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.
Type de produit Copolymer Microsphere Suspensions
Additif Contains trace amount of surfactant to inhibit agglomeration and promote stability
Indice de réfraction 1.59 at 589nm (25°C)
Comprend General product handling insert sheet
Concentration 10%
À utiliser avec (application) Fluid Mechanics,Large Pore Filtration
Contenu et stockage 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.
15

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.