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739952

Sigma-Aldrich

Resomer® RG 503, Poly(D,L-lactide-co-glycolide)

lactide:glycolide 50:50, ester terminated, Mw 24,000-38,000

Synonym(s):

PLGA, RESOMER® RG 503

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About This Item

Linear Formula:
[C3H4O2]x[C2H2O2]y
CAS Number:
UNSPSC Code:
12162002
NACRES:
NA.23

form

amorphous

feed ratio

lactide:glycolide 50:50

mol wt

Mw 24,000-38,000

degradation timeframe

<3 months

viscosity

0.32-0.44 dL/g, 0.1 % (w/v) in chloroform(25 °C, Ubbelohde) (size 0c glass capillary viscometer)

transition temp

Tg 44-48 °C

storage temp.

2-8°C

InChI

1S/C6H8O4.C4H4O4/c1-3-5(7)10-4(2)6(8)9-3;5-3-1-7-4(6)2-8-3/h3-4H,1-2H3;1-2H2

InChI key

LCSKNASZPVZHEG-UHFFFAOYSA-N

Application

Controlled release

Legal Information

Product of Evonik
RESOMER is a registered trademark of Evonik Rohm GmbH

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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William A Lackington et al.
Journal of controlled release : official journal of the Controlled Release Society, 304, 51-64 (2019-05-06)
Neurotrophic factor delivery via biodegradable nerve guidance conduits may serve as a promising treatment for the repair of large peripheral nerve defects. However, a platform for controlled delivery is required because of their short in vivo half-life and their potential
Kaiping Wang et al.
Journal of microencapsulation, 36(4), 356-370 (2019-06-14)
Here, we have successfully synthesised and purified multifunctional PLGA-based nanoparticles by the co-encapsulation of an anticancer drug (tetrandrine) and a magnetic material (Fe3O4). The obtained Tet-Fe3O4-PLGA NPs had a uniform spherical shape with a particle size of approximately 199 nm and
Teresa Musumeci et al.
International journal of pharmaceutics, 440(2), 135-140 (2012-10-20)
Melatonin, a neurohormone secreted by the pineal gland, is able to modulate intraocular pressure (IOP). The aim of this study was to generate nanoparticle (NPs) sustained release formulations that allow to extend the pre-corneal residence time of melatonin, thus prolonging
Maria Kirzhner et al.
Ophthalmology, 120(6), 1300-1304 (2013-02-13)
To compare wrapped and polymer-coated hydroxyapatite implants in children undergoing primary enucleation with no adjuvant therapies. Retrospective, interventional cohort study. All children undergoing primary enucleation without adjuvant therapies between 1999 and 2009 at a tertiary pediatric cancer hospital. Review and
Igor Jeroukhimov et al.
Journal of the American College of Surgeons, 218(1), 102-107 (2013-11-12)
Chronic pain after inguinal hernia repair occurs in 16% to 62% of patients. The underlying mechanism probably involves sensory nerve damage and abnormal healing that might be influenced by the materials chosen for the procedure. We hypothesize that nonabsorbable sutures

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