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PLGA lactide:glycolide (75:25)

Cat. No. M10166
PLGA lactide:glycolide (75:25) Structure
Synonym:

Poly(DL-lactide-co-glycolide)

Size Price Availability Quantity
1g USD 150  USD150 In stock
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Quality Control & Documentation
  • Purity: mol wt 7,000-17,000
  • COA
  • MSDS
Biological Activity

Poly(D,L-lactide-co-glycolide) is a synthetic amino acid that has been used to deliver macromolecular therapeutics. The transition temperature (Tg) is 45 ~ 55℃ when the molecular weight is above 30,000. When the molecular weight is below 30,000, the transition temperature (Tg) decreases gradually. It is soluble in most organic solvents such as methylene chloride, tetrahydrofuran, ethyl acetate, acetone, chloroform, and hexafluoroispropanol.

Chemical Information
Formula (C3H4O2)x(C2H2O2)y
CAS Number 26780-50-7
Solubility (25°C) Soluble in methylene chloride
tetrahydrofuran
ethyl acetate
acetone
chloroform
Storage -20°C, sealed
Conversion of different model animals based on BSA (PMID: 27057123)
Species Mouse Rat Rabbit Guinea pig Hamster Dog
Weight (kg) 0.02 0.15 1.8 0.4 0.08 10
Body Surface Area (m2) 0.007 0.025 0.15 0.05 0.02 0.5
Km factor 3 6 12 8 5 20
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.

References

[1] Robert M Stefani, et al. Acta Biomater. Sustained low-dose dexamethasone delivery via a PLGA microsphere-embedded agarose implant for enhanced osteochondral repair

[2] Teresa Musumeci, et al. Int J Pharm. Polymeric nanoparticles augment the ocular hypotensive effect of melatonin in rabbits

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Keywords: PLGA lactide:glycolide (75:25), Poly(DL-lactide-co-glycolide) supplier, inhibitors, activators


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