Mechanical Properties and Matrix Development in Bioprinted Cartilage Constructs

Experimental data from a six-week study tracks the maturation of bioprinted cartilaginous constructs. Measurements include glycosaminoglycan and collagen content alongside mechanical properties like hysteresis, shear modulus, nonlinearity, and stress relaxation at six time points. The dataset, authored by Paula Büttner, was published on figshare in 2026.

Use Cases

• Model the correlation between glycosaminoglycan content and classical shear modulus using time-series data.
• Predict hysteresis values from collagen content measurements across six cultivation time points.
• Analyze the relationship between stress relaxation behavior and extracellular matrix development over 42 days.
• Validate a matrix-based prediction function for estimating shear modulus in hyaluronic acid bioink constructs.

Strengths

• Data captures a 57-fold increase in glycosaminoglycans and a 52-fold increase in collagen over 42 days.
• Mechanical properties measured include four distinct modalities: hysteresis, shear modulus, nonlinearity, and stress relaxation.
• Analysis performed at six specific time points during a six-week chondrogenic differentiation period.

Limitations

• Dataset is small, consisting of a 1.9 MB PDF file with an unspecified number of underlying data rows.
• Limited to constructs made from a specific hyaluronic acid-based bioink and mesenchymal stromal cells, reducing generalizability.
• Temporal coverage is confined to a single six-week experiment.

Provenance

Source

figshare, authored by Paula Büttner.

Collection Method

Experimental data from bioprinted constructs analyzed via multimodal mechanical testing and biochemical assays.

Time Range

Covers a six-week post-fabrication cultivation period.

Freshness

Last updated in April 2026.