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K4894

Sigma-Aldrich

Poloxamer 188

solid

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Synonym(s):
Poly(ethylene glycol)-block-poly(propylene glycol)-block-poly(ethylene glycol), Lutrol F68
CAS Number:
MDL number:
UNSPSC Code:
12161902
NACRES:
NA.75

Agency

USP/NF
meets USP testing specifications

Quality Level

form

solid

mol wt

8.400 g/mol

pH

5.0-7.5(2.5% solution)

application(s)

sample preservation

InChI

1S/C3H6O.C2H4O/c1-3-2-4-3;1-2-3-1/h3H,2H2,1H3;1-2H2

InChI key

RVGRUAULSDPKGF-UHFFFAOYSA-N

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General description

Poloxamer 188 is a non-ionic amphiphilic copolymer, which has a central chain of hydrophobic polyoxypropylene and a hydrophilic polyoxyethylene at the ends.

Application

Poloxamer 188 has been used as a component of cell-dissociation/minimal essential media (MEM) to sort tumor cells using EpCAM antibody-conjugated magnetic beads.
Poloxamer 188 has been used as a supplement in F17 medium for the culture of HEK293-6E cells. It has also been used as a component of flow cytometry (FACS) buffer as a non-ionic detergent that protects cells from hydrodynamic damage.

Biochem/physiol Actions

Poloxamer 188 exhibits cytoprotective, hemorheological, anti-inflammatory, antithrombotic activities. It maintains the stability of membrane barrier function. P188 lowers surface tension and hydrophobic-based cellular adherence. It also inhibits lipid peroxidation stimulated by Fe2+ and H2O2.

Legal Information

WGK

WGK 1


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S Dhara et al.
Nature communications, 12(1), 3044-3044 (2021-05-26)
Unlike other malignancies, therapeutic options in pancreatic ductal adenocarcinoma (PDAC) are largely limited to cytotoxic chemotherapy without the benefit of molecular markers predicting response. Here we report tumor-cell-intrinsic chromatin accessibility patterns of treatment-naïve surgically resected PDAC tumors that were subsequently
Antibody humanization by molecular dynamics simulations?in-silico guided selection of critical backmutations
Christian Margretter
Journal of Molecular Recognition (2016)
S Dhara et al.
Nature communications, 12(1), 3044-3044 (2021-05-26)
Unlike other malignancies, therapeutic options in pancreatic ductal adenocarcinoma (PDAC) are largely limited to cytotoxic chemotherapy without the benefit of molecular markers predicting response. Here we report tumor-cell-intrinsic chromatin accessibility patterns of treatment-naïve surgically resected PDAC tumors that were subsequently
Martin Emanuele et al.
Drugs in R&D, 14(2), 73-83 (2014-04-12)
Poloxamer 188 (P188) is a non-ionic amphiphilic copolymer with hemorheologic, antithrombotic, anti-inflammatory, and cytoprotective properties. It potentially has clinical utility in diverse diseases, such as acute myocardial infarction, acute limb ischemia, shock, acute stroke, heart failure, and sickle cell crisis.
Gustavo H Rodrigues da Silva et al.
Scientific reports, 10(1), 19733-19733 (2020-11-14)
Anesthetic failure is common in dental inflammation processes, even when modern agents, such as articaine, are used. Nanostructured lipid carriers (NLC) are systems with the potential to improve anesthetic efficacy, in which active excipients can provide desirable properties, such as

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