form
suspension
Quality Segment
shelf life
2 yr at −20‑0 °C
pH
~5
capacity
≥2 μmol/mL, gel (phosphopeptide)(following a 30 minute incubation at 25°C)
storage temp.
−20°C
General description
The PHOS-Select™ iron affinity gel is a novel iron [Fe(III)] chelate matrix. This matrix provides high capacity affinity binding of molecules containing phosphate groups.
Application
Phos-Select™ products facilitate a number of applications including:
- affinity enrichment of phosphopeptides obtained from protein tryptic digests
- direct transfer of phosphocompounds for analysis (HPLC or mass spectrometry)
- enrichment of phosphopeptides by immobilized metal affinity chromatography (IMAC)
Physical form
aqueous glycerol suspension
Other Notes
Phos-Select™ Iron Affinity Gel is a novel iron [Fe(III)] chelate matrix based on Sigma′s NTA analog chelate ligand. The matrix provides high capacity affinity binding of molecules containing phosphate groups.
Legal Information
PHOS-Select is a trademark of Sigma-Aldrich Co. LLC
저장 등급
10 - Combustible liquids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)