ProMag™ 1 Series Streptavidin Microspheres

Cat# 25031-5

Size : 5ml

Brand : Polysciences

ProMag® 1 Series Streptavidin Microspheres

Grouped product items
Catalog Number Unit Size QTY
25031-1 1 ml
25031-2 2 ml
25031-5 5 ml
25031-10 10 ml

Product Overview

Highly uniform 1µm polymer-based magnetic spheres. A hydrophilic surface means low nonspecific binding in protein-based systems, and superior handling without the use of surfactant.

These high-binding beads are suitable for use across a range of research and diagnostic applications, whether you’re working at laboratory scale or have the more stringent requirements of high throughput applications. See noticeably decreased separation times, without breaking the bank!

  • Mean Diameter: 1μm
  • Density: ~1.8 g/cm3
  • Solids: 1% (Streptavidin)
Magnetic isolations & assay development
Shipping Requirements:


Concentration (nom.):
1% solids (w/v), ~1.07e+10 particles/ml
Suspending Solution:
1% Solids, 100mM Borate pH 8.5 + 0.1% Casein + 0.05% Tween 20 + 10mM EDTA

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Safety & Storage