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G1049

Sigma-Aldrich

Poly-L-γ-glutamic acid sodium salt

suitable for drug transporter assays, Mol wt ≥750,000

Synonym(s):

γ-PGA

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About This Item

CAS Number:
UNSPSC Code:
12352209
NACRES:
NA.26

product name

Poly-L-γ-glutamic acid sodium salt,

form

powder

Quality Level

mol wt

≥750,000

technique(s)

drug transporter assay: suitable

color

white to off-white

application(s)

cell analysis

storage temp.

−20°C

Related Categories

Application

High molecular weight poly-γ-glutamic acid (γPGA) was found to increase levels of NK cell-mediated cytotoxicity and INF-γ secretion in C57BL/6 mice. Biodegradable γ-PGA nanoparticles have been evaluated for use as antigen delivery carriers and delivery of influenza virus hemagglutin (HA) vaccine. Additional life science applications for γ-PGA include uses in biodegradable fibers and nanofiber sheets, hydrogels, and cryoprotectants.

Other Notes

High molecular weight poly-γ-glutamic acid is a polymer of glutamic acid connected by amide linkages between α-amino and γ-carboxylic acid groups. γ-PGA is produced by fermentation in Bacillus species. The subunits are predominantly L-isomer.

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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I L Shih et al.
Bioresource technology, 79(3), 207-225 (2001-08-14)
This review article deals with the chemistry and biosynthesis of poly-(gamma-glutamic acid) (gamma-PGA) produced by various strains of Bacillus. Potential applications of gamma-PGA as thickener, cryoprotectant, humectant, drug carrier, biological adhesive, flocculant, or heavy metal absorbent, etc. with biodegradability in
Tae Woo Kim et al.
Journal of immunology (Baltimore, Md. : 1950), 179(2), 775-780 (2007-07-10)
We analyzed the in vivo tumor regression activity of high molecular mass poly-gamma-glutamate (gamma-PGA) from Bacillus subtilis sups. chungkookjang. C57BL/6 mice were orally administered 10-, 100-, or 2000-kDa gamma-PGA or beta-glucan (positive control), and antitumor immunity was examined. Our results
Haryoung Poo et al.
Chemistry & biodiversity, 7(6), 1555-1562 (2010-06-22)
Ultra-high-molecular-weight poly-gamma-glutamic acid (gamma-PGA) is a most promising biodegradable polymer that is produced by Bacillus subtilis (chungkookjang). Attractive properties of gamma-PGA are that it is water soluble, anionic, biodegradable, and edible. Development of gamma-PGA has pursued in terms of cosmetics/skin
Ilaria Massaiu et al.
Microbial cell factories, 18(1), 3-3 (2019-01-11)
Genome-scale metabolic models (GEMs) allow predicting metabolic phenotypes from limited data on uptake and secretion fluxes by defining the space of all the feasible solutions and excluding physio-chemically and biologically unfeasible behaviors. The integration of additional biological information in genome-scale models
Shigefumi Okamoto et al.
Vaccine, 27(42), 5896-5905 (2009-08-04)
Adding poly(gamma-glutamic acid) nano-particles (gamma-PGA-NPs), a safe, natural material, to subcutaneous immunization with influenza virus hemagglutinin (HA) vaccine increases the protective immune responses against influenza virus in mice. Here, we examined whether intranasal administration of the HA vaccine with gamma-PGA-NPs

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