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925055

Sigma-Aldrich

TissueFab® GelAlg − LAP Bioink

low endotoxin, 0.2 μm filtered, suitable for 3D bioprinting applications

Synonym(s):
GelMA-alginate bioink

Quality Level

sterility

0.2 μm filtered

form

viscous liquid (gel)

impurities

<5 cfu/mL Bioburden
<50 EU/mL Endotoxin

color

pale yellow to colorless

pH

6.5-7.5

viscosity

10-40 cP

application(s)

3D bioprinting

storage temp.

2-8°C

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TSKgel® SuperOligoPW HPLC Column

sterility

0.2 μm filtered

sterility

-

sterility

-

sterility

-

form

viscous liquid (gel)

form

-

form

-

form

-

impurities

<5 cfu/mL Bioburden

impurities

-

impurities

-

impurities

-

color

pale yellow to colorless

color

-

color

-

color

-

pH

6.5-7.5

pH

-

pH

-

pH

-

viscosity

10-40 cP

viscosity

-

viscosity

-

viscosity

-

General description

Gelatin methacryloyl (GelMA) is a polymerizable hydrogel material derived from natural extracellular matrix (ECM) components. Due to its low cost, abundance, and retention of natural cell-binding motifs, gelatin has become a highly sought material for tissue engineering applications.

Alginate is a naturally occurring polymer widely applied for bioprinting applications as its printability can be easily modified by altering the polymer density and crosslinking with the addition of calcium chloride (CaCl2). Alginate is often combined with gelatin to facilitate cell adhesion and differentiation.

Temporal and spatial control of the crosslinking reaction can be obtained by adjusting the degree of functionalization and polymerization conditions, allowing for the fabrication of hydrogels with unique patterns, 3D structures, and morphologies.

Application

Gelatin methacrylate based bioinks have been used in the following bioprinting applications:

  • osteogenic [1],
  • chondrogenic [2] [3],
  • hepatic [4] [5] [6],
  • adipogenic [7],
  • vasculogenic [8],
  • epithelial [6],
  • endothelial [9] [10],
  • cardiac valve [11],
  • skin [12],
  • tumors [10]

Features and Benefits

  • Ready-to-use formulation optimized for high printing fidelity and cell viability, eliminating the lengthy bioink formulation development process
  • Step-by-step protocols developed and tested by MilliporeSigma 3D Bioprinting Scientists, no prior 3D bioprinting experience needed
  • Suitable for different extrusion-based 3D bioprinter model
  • Methacrylamide functional group can also be used to control the hydrogel physical parameters such as pore size, degradation rate, and swell ratio.

Legal Information

TISSUEFAB is a registered trademark of Sigma-Aldrich Co. LLC

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Certificate of Analysis

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Certificate of Origin

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