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764760

Sigma-Aldrich

Poly(ethylene glycol) methyl ether-block-poly(lactide-co-glycolide)

PEG average Mn 2,000, PLGA average Mn 11,500

Sinónimos:

PEG-PLGA, Polyethylene glycol, mPEG-b-PLGA

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About This Item

Fórmula lineal:
H[(C3H4O2)x(C2H2O2)y]mO[C2H4O]nCH3
UNSPSC Code:
12162002
NACRES:
NA.23

form

pellets

Quality Level

100

feed ratio

lactide:glycolide 50:50

mol wt

PEG average Mn 2,000
PLGA average Mn 11,500
average Mn 13,500 (total)

degradation timeframe

1-4 weeks

transition temp

Tm 298-303 °C
Tg 40 °C (PDLLA block)
Tg 6 °C (PEG block)

PDI

≤2.0

storage temp.

2-8°C

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General description

Amphiphilic block copolymers (AmBC) are made up of two chemically different homopolymer blocks. One of the block is hydrophilic and the other one is hydrophobic. These macromolecules have the properties to self-assemble when dissolved in an aqueous media. PEG-PLGA is one the most commonly used biodegradable amphiphilic block copolymers for drug delivery applications. PEG is the hydrophilic part and PLGA is the hydrophobic part.

Application

Used in the synthesis of targeted nanoparticles which are used for differential delivery and controlled release of drugs.

Features and Benefits

  • Good biocompatibility, low immunogenicity and good degradability.
  • Properties can be easily modulated by changing the block copolymer segment sizes to suit a particular application.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificados de análisis (COA)

Lot/Batch Number
MKCP0961
MKCG9119
MKCG9115
MKCG9117
MKCG3904

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Che-Ming Jack Hu et al.
International journal of nanomedicine, 13, 8579-8593 (2018-12-28)
Influenza virus infections are a major public health concern worldwide. Conventional treatments against the disease are designed to target viral proteins. However, the emergence of viral variants carrying drug-resistant mutations can outpace the development of pathogen-targeting antivirals. Diphyllin and bafilomycin
Thermosensitive self-assembling block copolymers as drug delivery systems.
Bonacucina, G., Cespi, M., Mencarelli, G., Giorgioni, G., & Palmieri, G. F.
Polymer, 3(2), 779-811 (2011)
Frank Gu et al.
Proceedings of the National Academy of Sciences of the United States of America, 105(7), 2586-2591 (2008-02-15)
There has been progressively heightened interest in the development of targeted nanoparticles (NPs) for differential delivery and controlled release of drugs. Despite nearly three decades of research, approaches to reproducibly formulate targeted NPs with the optimal biophysicochemical properties have remained
PLGA-PEG Encapsulated sitamaquine nanoparticles drug delivery system against Leishmania donovani
Kumara, R., Sahoo, G. C., Pandeya, K., Dasa, V. N. R., Yousuf, M., Ansaria, S. R., & Dasa, P.
Journal of Scientific and Innovative Research, 3(1), 85-90 (2014)

Artículos

Solubility enhancement of hydrophobic drugs via drug-loaded micelles using biodegradable PEG- polyester diblock copolymers

One of the common difficulties with intravenous drug delivery is low solubility of the drug. The requirement for large quantities of saline to dissolve such materials limits their clinical use, and one solution for this problem that has recently generated interest is the formation of drug-loaded micelles.

Electrospun Nanofibers for Drug Delivery Systems

Local delivery of bioactive molecules using an implantable device can decrease the amount of drug dose required as well as non-target site toxicities compared to oral or systemic drug administration.

Fabrication of Drug-loaded Microparticles Using Hydrogel Technology and Recent Innovation in Automation

Microparticle drug delivery systems have been extensively researched and applied to a wide variety of pharmaceutical and medical applications due to a number of advantages including injectability, local applicability to target tissues and sites, and controlled drug delivery over a given time period.

Biodegradable Polyester Based Nanoparticle Formation by Miniemulsion Technique

Aliphatic polyesters such as polylactide, poly(lactide-co-glycolide) and polycaprolactone, as well as their copolymers, represent a diverse family of synthetic biodegradable polymers that have been widely explored for medical uses and are commercially available.

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