MagSi-STA 1.0, 2 ml
SKU 1561.1
€ 643,02
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MagSi-STA 1.0, 2 ml
Product Details
P-phrases: P260 P280 P303+P361+P353 P305+P351+P338 P310
H-phrases: H314
CAS number: 3244-88-0
Chemical formulas: C20H17N3Na2O9S3
Hazard class: 8 III
HS code: 38229000
Brand: magtivio
MagSi-STA 1.0, magtivio, 10 mg/ ml, for protein biochemistry and, molecular biology, Density (D) 1,2 g/cm³, Storage temp. +4 °C
Magnetic silica particles with high quality streptavidin covalently bonded to the surface of the particle. Applications include immunoassays and capture or purification of biotinylated molecules.
Various types of this product are available, with different mean size, streptavidin coating chemistry, and binding capacity.
Bigger packages available on request.
MagSi-STA 1.0 10 mg/ml, for protein biochemistry and molecular biology
Magnetic silica particles of 1,0 μm size with high quality streptavidin covalently attached to the bead surface.
Specific Application of Silica- and of Carboxylated Beads
| Bead surface | Silica beads | Carboxylated beads |
| Compatible Buffer Systems | Chaotropic buffers | PEG-based, low pH or chaotropic buffers |
| Binding Mechanism | Precipitation with chaotropic salts | Precipitation by polymers like PEG, divalent cations (e.g. Mg2+) or chaotropic salts |
| Elution | Low salt conditions | Low salt conditions or pH shift from acidic to alkalineconditions |
| Recommended use | Recommended in case chaotropic conditions can be applied. | Recommended if flexibility in buffer systems is necessary or if non-chaotropic conditions have to be applied. Results in higher purity and recovery rate under non-chaotropic conditions. |
| Concentration | 10±0,5 mg/ml |
| d50 | 0,95-1,05 µm |
| Bead number | 6-12 x 109 beads/ml |
| Assay (Iron oxide) | ≥50 % |
| Binding capacity (biotinylated fluorescein) | 3,5-5 nmol/mg |
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