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Merck
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Key Documents

FR180380642

Sigma-Aldrich

Estapor® Carboxylated Colored Microspheres

new

K1-030 Blue Int COOH PS 5% Blue Colored Carboxylated microspheres 300nm, Lateral Flow Immunoassay

Synonym(s):

Colored Beads, Detector Beads, Dyes Beads

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About This Item

UNSPSC Code:
13102026

material

polystyrene (microspheres)

Quality Level

300

packaging

bottle of 5—250 mL

manufacturer/tradename

Estapor®

concentration

5% solids

technique(s)

lateral flow assay: suitable (immunoassay)

color

bluevery strong

matrix

polymeric Poly-styrene-co-acrylate

bead diameter

0.270—0.330 μm

capacity

200—500 μeq/g surface charge density

λmax

654 nm

functional group

carboxylic acid (COOH)

storage temp.

2-8°C

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General description

Estapor® microspheres have been the top choice for many lateral flow diagnostic test manufacturers. Used in millions of assays made by internationally known brands, our microspheres are adapted to both both qualitative and quantitative Lateral Flow ImmunoAssays.

Application

Main applications of the Color Intense microspheres include qualitative and quantitive Laterflow ImmunoAssays (LFIA)

Features and Benefits

Key advantages of Estapor® Color Intense Microspheres include:

  • Improved assay sensitivity through greater signal intensity.
  • Easy reading, even at lower conjugate concentration.
  • Multiplexing ready by combining Red and Blue Intense allows an easy differentiation of test lines.

Legal Information

Estapor is a registered trademark of Merck KGaA, Darmstadt, Germany

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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