Description

Poly(Glutamic Acid-Lysine) is a synthetic polypeptide copolymer composed of the amino acids glutamic acid and lysine. This engineered biopolymer is valued for its unique polyampholyte structure, offering both cationic and anionic functionalities for advanced material science and biomedical applications. It serves as a critical raw material for researchers and manufacturers in the pharmaceutical, cosmetic, and specialty chemical industries seeking biocompatible and tunable polymeric platforms.

Application

• Biomedical Research: As a model polypeptide for studying protein-mimetic materials, drug delivery systems, and tissue engineering scaffolds.
• Cosmetic Formulations: Utilized as a multifunctional, film-forming agent and moisturizer in high-performance skincare products due to its humectant properties.
• Drug Delivery Carriers: Engineered for creating pH-responsive nanoparticles or hydrogels for controlled release of therapeutic agents.
• Biomaterial Coatings: Applied to modify surface properties of implants or devices to enhance biocompatibility and reduce fouling.
• Enzyme Immobilization: Serves as a support matrix for stabilizing enzymes in biocatalytic processes.
• Advanced Material Synthesis: A precursor for creating novel biodegradable polymers with tailored charge densities and mechanical properties.

Basic Information

Product Name	Poly(Glutamic Acid-Lysine)
CAS No.	27456-64-0
Molecular Formula	(C5H7NO3·C6H12N2O)n
Molecular Weight	Variable (Polymer)
Synonyms	Poly(γ-Glutamic Acid-co-L-Lysine); PGA-Lys Copolymer; Glutamic Acid-Lysine Copolymer; Poly(Glu-Lys); Lysine-Glutamic Acid Polymer; Poly(Lys, Glu); Poly(α-L-Glutamic Acid-co-α-L-Lysine); Synthetic Polypeptide Copolymer
EINECS	Contact for details

Quality Control

Our Poly(Glutamic Acid-Lysine) is manufactured under controlled conditions to ensure batch-to-batch consistency. Quality is assured through a comprehensive analytical regime including determination of copolymer composition, molecular weight distribution, and purity. Certificates of Analysis (COA) detailing specific parameters are provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); ensure the container is sealed after each use to prevent moisture uptake which may affect properties.

Specification

Item	Specification
Appearance	White to off-white powder or solid
Identification (IR)	Conforms to structure
Composition (Glu:Lys Molar Ratio)	As per customer requirement (e.g., 1:1)
Assay (Dry Basis)	≥ 95.0%
Molecular Weight (Average)	Specified range (e.g., 5kDa - 50kDa)
Loss on Drying	≤ 5.0 %
Residue on Ignition	≤ 1.0 %
Heavy Metals (as Pb)	≤ 20 ppm
Microbiological Bioburden	Contact for details

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.