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Merck
CN

943118

Sigma-Aldrich

Hyaluronic acid methacrylate sodium salt

new

Low MW

Synonym(s):

HAMA, methacrylated hyaluronic acid

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biological source

(Streptococcus zooepidemicus)

Quality Level

form

powder or chunks (or fibers)

mol wt

20-40 kDa (starting material)

color

white to faint yellow-brown

application(s)

3D bioprinting
advanced drug delivery
tissue engineering
(hydrogels)

storage temp.

2-8°C

General description

Hyaluronic Acid methacrylate (HAMA) is an advanced biomaterial created by modifying natural hyaluronic acid with methacrylate groups, enabling photopolymerization capabilities. Hyaluronic acid (HA) is a linear polysaccharide composed of alternating D-glucuronic acid and N-acetyl-D-glucosamine. It occurs naturally in connective tissues, skin, cartilage, synovial fluid, and extracellular matrices throughout the body. The addition of methacrylate groups enables HAMA to be photo-crosslinkable, facilitating the formation of stable, crosslinked hydrogels. This biomaterial combines the inherent biocompatibility and bioactivity of hyaluronic acid with improved mechanical properties, making it well-suited for a wide range of applications in tissue engineering, 3D bioprinting, drug discovery, and medical devices.

Application

Tissue Engineering: Serves as a scaffold for cell attachment and proliferation, promoting the regeneration of various tissues, including cartilage, skin, and connective tissues, leveraging its ability to mimic the natural extracellular environment.


  • 3D Bioprinting: Enables the precise fabrication of complex tissue structures, allowing for accurate cell placement and interaction.
  • Drug Delivery: Facilitates the development of drug delivery systems and in vitro models for testing drug efficacy and safety.
  • Medical Devices: Used in the production of hydrogels and coatings that enhance biocompatibility and functionality of medical implants and devices.

Features and Benefits

  • Photocrosslinkable Chemistry: The methacrylate modification makes HAMA photo-crosslinkable, allowing for the creation of stable, crosslinked hydrogels with tunable mechanical properties.
  • Enhanced Biocompatibility: Combines natural biocompatibility of hyaluronic acid with enhanced mechanical properties, supporting optimal cell-material interactions.
  • Superior Water Retention: Excellent water retention capabilities create a hydrated environment that mimics natural tissues and supports cellular functions.
  • Optimal Cell Environment: Provides an ideal environment for cell growth and differentiation, promoting tissue formation and regeneration.
  • High Batch-to-Batch Consistency: R&D developed and tested for high batch-to-batch consistency with highly consistent starting materials, ensuring reproducible results for critical research and clinical applications.

Regulatory Information

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