Polystyrene beads are available in several formats - unmodified, carboxyl-modified, or amine-modified - as well as various colors and numberous sizes. This particular product is an amine-modified bead containing a blue fluorescent dye. See the image below to review the basic structure. This is a surface modification that allows for the attachment of certain ligands such as polypeptides via the carboxyl-terminus. The dyes are embedded in the polystyrene bead during the manufacturing process. These are not bound to the surface of the bead.
L1403
Latex beads, sulfate-modified polystyrene, fluorescent orange
aqueous suspension, 0.5 μm mean particle size
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About This Item
Le tarif et la disponibilité ne sont pas disponibles actuellement.
Produits recommandés
Forme
aqueous suspension
Niveau de qualité
Composition
Solids, 2.5%
Taille moyenne des particules
0.5 μm
Fluorescence
λex ~520 nm; λem ~540 nm
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Application
Sulfate-modified polystyrene latex beads have been used to develop an electrochemical nitrite nanosensor as well as in voltammetric studies. Sulfate-modified polystyrene latex beads have been used to explain the partitioning behavior for certain species of bacteria.
Code de la classe de stockage
10 - Combustible liquids
Classe de danger pour l'eau (WGK)
WGK 2
Point d'éclair (°F)
Not applicable
Point d'éclair (°C)
Not applicable
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Les clients ont également consulté
Eun-Young Seo et al.
Applied and environmental microbiology, 76(6), 1981-1991 (2010-01-26)
To assess interchangeability of estimates of bacterial abundance by different epifluorescence microscopy methods, total bacterial numbers (TBNs) determined by most widely accepted protocols were statistically compared. Bacteria in a set of distinctive samples were stained with acridine orange (AO), 4'-6-diamidino-2-phenylindole
Effect of ionic strength and ionic species on partitioning behavior of hydrophobic and hydrophilic polystyrene latex beads in aqueous two-phase polymer systems
Tripp, B.C., et al.
Colloids and Surfaces, B: Biointerfaces, 6, 151-164 (1996)
Hong Sun et al.
Biophysical chemistry, 110(3), 297-308 (2004-07-02)
A novel hemoglobin (Hb)-coated polystyrene (PS) latex bead film was deposited on pyrolytic graphite (PG) electrode surface. In the first step, positively charged Hb molecules in pH 5.0 buffers were adsorbed on the surface of negatively charged, 500 nm diameter
Electrochemical nitrite nanosensor developed with amine- and sulphate-functionalised polystyrene latex beads self-assembled on polyaniline
Muchindu, M., et al.
Electrochimica Acta, 55, 4274-4280 (2010)
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Does the polystyrene bead have amine groups attached to the bead surface? What is the purpose of this modification? How is the dye bound to these beads.
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