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17928

Sigma-Aldrich

O-Methyl-O′-succinylpolyethylene glycol 2′000

Sinónimos:

Polyethylene glycol, O-(Succinyl)-O′-methylpolyethylene glycol 2′000, Polyethylene glycol 2′000 monomethyl ether succinate

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About This Item

Fórmula lineal:
CH3O(CH2CH2O)nCOCH2CH2COOH
Número de CAS:
31961-02-1
MDL number:
MFCD00284260
UNSPSC Code:
51171641
NACRES:
NA.26

form

powder

Quality Level

100

mol wt

Mr ~2100

mp

50-53 °C

Ω-end

carboxylic acid

α-end

methoxy

storage temp.

−20°C

Application

Polyethylene glycol 2000 is used in the construction of biomaterials such as biopolymers, micelles and nanostructures.

Biochem/physiol Actions

O-Methyl-O′-succinylpolyethylene glycol 2′000 is a modified monomethoxypolyethylene glycol (mPEG) wherein the hydroxyl groups are succinylated by succinic anhydride. This succinylated mPEG can then be used to synthesize tolerogenic mPEG conjugates of peptides. Tolerogenic peptide conjugates are very effective reagents for obtaining epitope-specific immunosuppression of antibody responses to immunopathogenic sites on multideterminant complex protein antigens.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Sabrina Hoffmann et al.
Immunology letters, 136(1), 13-20 (2010-11-30)
T-cell recognition of peptide-MHC complexes on APCs requires cell-cell interactions. The molecular events leading to T-cell activation have been extensively investigated, but the underlying physical binding forces between T-cells and APCs are largely unknown. We used single cell force spectroscopy
Peter M Fischer et al.
Journal of peptide science : an official publication of the European Peptide Society, 8(9), 529-542 (2002-10-10)
Stepwise synthetic assembly of polypeptide chains reversibly linked to polyethylene glycol represents a hybrid between traditional solution and solid-phase chemistries and combines the inherent advantages of both approaches. The technical simplicity and scalability of the liquid-phase peptide synthesis method renders
Ayman El-Sayed et al.
Journal of pharmaceutical sciences, 101(2), 879-882 (2011-11-17)
We previously reported on a stearylated INF7 peptide (str-INF7), which enhances the endosomal escape of an octaarginine (R8)-modified liposomal particle encapsulating plasmid DNA (pDNA) in a fusion-independent manner. This study examined whether this peptide derivative enhanced the endosomal escape and
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