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901844

Sigma-Aldrich

Allyl-poly(ethylene glycol)-b-poly(ε-caprolactone)

PEG average Mn 5,000, PCL average Mn 5,000

Synonym(s):

PEG-b-PCL, PEG-PCL, allyl PEG-PCL diblock copolymer, allyl-PEG-PCL

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About This Item

Linear Formula:
C3H5O[C2H4O]n[C6H10O2]mH
UNSPSC Code:
51171641
NACRES:
NA.23

form

powder or solid

mol wt

PCL average Mn 5,000
PEG average Mn 5,000

color

white to off-white

PDI

≤1.3 (by GPC)

storage temp.

−20°C

Application

Allyl-poly(ethylene glycol)-b-poly(ε-caprolactone) is a functionalized, amphiphilic, diblock copolymer composed of a hydrophilic PEG block and a hydrophobic PCL block. These biodegradable, biocompatible polymers can self-assemble to form nanoparticles, such as micelles and polymersomes, in both aqueous and non-aqueous media. Due to these properties, these polymers are widely used in polymeric nanoparticle formulation to achieve controlled and targeted delivery of therapeutic agents (e.g. APIs, genetic material, peptides, vaccines, and antibiotics). Additionally, well-defined nanoparticles with tunable size and properties can be prepared by altering the molecular weight ratios between hydrophilic and hydrophobic blocks, as well as by controlling formulation parameters. The allyl functional group on the PEG chain enables rapid and facile surface functionalization, allowing for these materials to be used in applications such as targeted drug delivery.

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

901844-VAR:
901844-BULK:
901844-1G:

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Lot/Batch Number
MKCG5259

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Xiaoqiang Yang et al.
Journal of biomedical materials research. Part A, 86(1), 48-60 (2007-10-18)
To overcome multidrug resistance (MDR) existing in tumor chemotherapy, polymeric micelles encoded with folic acid on the micelle surface were prepared with the encapsulation of a potent MDR modulator, FG020326. The micelles were fabricated from diblock copolymers of poly(ethylene glycol)
Cem Varan et al.
Beilstein journal of nanotechnology, 8, 1446-1456 (2017-09-14)
Background: Brain tumors are the most common tumors among adolescents. Although some chemotherapeutics are known to be effective against brain tumors based on cell culture studies, the same effect is not observed in clinical trials. For this reason, the development

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