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03997

Sigma-Aldrich

Poly(ethylene glycol)

tested according to Ph. Eur., 3,000

Synonym(s):

Macrogol 3,000, PEG

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About This Item

Linear Formula:
H(OCH2CH2)nOH
CAS Number:
25322-68-3
MDL number:
MFCD00081839
UNSPSC Code:
12161900
PubChem Substance ID:
24845635

agency

tested according to Ph. Eur.

form

powder

mol wt

2700-3300

solubility

aliphatic hydrocarbons: slightly soluble
organic solvents: soluble

application(s)

pharmaceutical (small molecule)

SMILES string

C(CO)O

InChI

1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2

Inchi Key

LYCAIKOWRPUZTN-UHFFFAOYSA-N

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Application

Poly (ethylene glycol) was used for metabolic labeling and immunoprecipitation.[1] It is suitable for radioimmunoassay.[2]

Biochem/physiol Actions

Polyethylene glycol (PEG) also referred to as as Macrogol 3,000 or PEG is a condensation polymer of ethylene oxide and water. It enhances the refolding of extracted proteins. This enables characterization of crystallized proteins.[3][4]

Preparation Note

Poly(ethylene glycol) dissolves in many organic solvents and is readily soluble in aromatic hydrocarbons. It also slightly dissolves in aliphatic hydrocarbons.

Storage Class

10 - Combustible liquids

wgk_germany

WGK 1

flash_point_f

281.5 °F - closed cup

flash_point_c

138.6 °C - closed cup

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
BCBS3822V
BCBR3069V
BCBQ3924V

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F Galbiati et al.
The Journal of biological chemistry, 274(9), 5843-5850 (1999-02-20)
Here we investigate the molecular mechanisms that govern the targeting of G-protein alpha subunits to the plasma membrane. For this purpose, we used Gi1alpha as a model dually acylated G-protein. We fused full-length Gi1alpha or its extreme NH2-terminal domain (residues
A C Cuello et al.
The journal of histochemistry and cytochemistry : official journal of the Histochemistry Society, 32(9), 947-957 (1984-09-01)
Monoclonal antibodies were produced following immunization of mice with either [Leu5]enkephalin-bovine serum albumin or [Met5]enkephalin-keyhold limpet hemocyanin conjugates. Two monoclonal antibodies coded NOC1 and NOC2, respectively, were derived. These monoclonal antibodies did not discriminate between Leu- and Met-enkephalin in either
J L Cleland et al.
The Journal of biological chemistry, 267(19), 13327-13334 (1992-07-05)
Polyethylene glycol (PEG) inhibited aggregation during refolding of bovine carbonic anhydrase B (CAB) through the formation of a nonassociating PEG-intermediate complex. Stoichiometric concentrations of PEG were required for complete recovery of active protein during refolding at aggregating conditions. For example
J L Cleland et al.
Bio/technology (Nature Publishing Company), 10(9), 1013-1019 (1992-09-01)
Previous studies on the refolding of recombinant bovine carbonic anhydrase B (CAB) indicated that polyethylene glycol (PEG) significantly enhanced the recovery of active protein by reducing aggregation. To further test the ability of PEG to enhance refolding, three recombinant human
Idalis Villanueva et al.
Acta biomaterialia, 5(8), 2832-2846 (2009-06-11)
The pericellular matrix (PCM) surrounding chondrocytes is thought to play an important role in transmitting biochemical and biomechanical signals to the cells, which regulates many cellular functions including tissue homeostasis. To better understand chondrocytes interactions with their PCM, three-dimensional poly(ethylene
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