246743
Polyethylenimine on silica gel
beads, 20-60 mesh
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About This Item
Recommended Products
form
beads
technique(s)
LPLC: suitable
matrix
silica
matrix active group
primary amine
particle size
20-60 mesh
pore size
60 Å pore size
capacity
1.0 meq/mL
separation technique
anion exchange
SMILES string
O[SiH3].C1CN1
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General description
Polyethylenimine (PEI) is polymer with positive charge density. It has various uses like in water purification, paper industry, to remove nucleic acids from protein solutions and many more. This polymer was first used in DNA and oligonucleotides delivery. It may also be used as transfection reagent.[1] Silica gels are chemically modified with PEI to be used as sorbent.[2] PEI stabilizes high surface area solid to adsorb CO2.[3]
Application
Ion-exchange resin
Polyethylenimine may be used in separation medium for TLC, paper chromatography and LPLC. Polyethylenimine on silica gel may be used for thin layer chromatography.
signalword
Danger
hcodes
Hazard Classifications
Resp. Sens. 1 - Skin Sens. 1
Storage Class
11 - Combustible Solids
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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M Ghoul et al.
Water research, 37(4), 729-734 (2003-01-18)
The decontamination of synthetic Pb(II), Zn(II), Cd(II), Ni(II) solutions was investigated, using silica gels chemically modified with poly(ethyleneimine) (PEI) as sorbents. Two families of sorbents, i.e. silica/PEI and crosslinked silica/PEI, were prepared and characterized. Then the removal of metal ions
Nicola Gargiulo et al.
Journal of colloid and interface science, 367(1), 348-354 (2011-11-16)
Samples of porous, foam-like TUD (Technische Universität Delft)-1 mesoporous silica were functionalized with polyethylenimine and were used as a substrate for CO(2) adsorption. Produced solids were characterized by means of electron microscopy, thermogravimetric analysis, and N(2) adsorption/desorption at 77K, in
Polymeric Gene Delivery: Principles and Applications
Science (2004)
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