PLGA (CAS 26780-50-7): Comprehensive User Guide for Procurement and Applications
Table of Contents
- 1. PLGA Basic Properties & Specifications
- 2. PLGA Applications in Pharmaceutical and Medical Industries
- 3. Technical Comparison: PLGA 50/50 vs 75/25 vs 85/15
- 4. Case Studies: Successful Implementations of PLGA
- 5. How to Select the Right PLGA for Your Project
- 6. Industry-Leading Suppliers & Procurement Guidance
1. PLGA Basic Properties & Specifications
| Parameter | Specification |
|---|---|
| CAS Number | 26780-50-7 |
| Chemical Name | Poly(D,L-lactide-co-glycolide) |
| Molecular Formula | (C3H4O2)x(C2H2O2)y |
| Appearance | White to off-white powder |
| Glass Transition Temp | 40-50°C |
| Degradation Time | 15-180 days (varies by ratio) |
2. PLGA Applications in Pharmaceutical and Medical Industries
2.1 Drug Delivery Systems
PLGA nanoparticles enable controlled release of:
- Chemotherapeutic agents (e.g., Paclitaxel)
- Protein-based therapeutics
- Vaccine antigens
2.2 Medical Devices
FDA-approved applications include:
- Absorbable sutures
- Bone fixation devices
- Dental membranes
3. Technical Comparison: PLGA Ratios
| Ratio (LA:GA) | Degradation Time | Typical Applications |
|---|---|---|
| 50:50 | 1-2 months | Short-term drug delivery |
| 75:25 | 3-4 months | Orthopedic implants |
| 85:15 | 5-6 months | Long-term implants |
4. Case Studies: Successful Implementations of PLGA
Case 1: Oncology Drug Delivery (2023)
Client: European Pharma Co., Ltd.
Application: Doxorubicin-loaded PLGA nanoparticles
Results: 60% reduction in systemic toxicity, 3x tumor accumulation
Case 2: Regenerative Medicine (2024)
Client: MedTech Solutions Inc.
Application: PLGA scaffolds for bone regeneration
Results: 85% osteoblast adhesion rate, 12-week complete degradation
5. Selection Guide for PLGA Grades
- Molecular Weight: 7,000-200,000 Da options
- End-group Modification: Carboxyl vs. ester terminated
- Sterilization Compatibility: Gamma vs. ETO methods
6. Supplier Evaluation & Procurement Process
Key quality parameters to verify:
- Residual monomer content (<1%)
- Molecular weight distribution (PDI <1.7)
- GMP certification status
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