Culture Process TRIZ Cases

Novel cell culture medium platform uses iron choline citrate and specific amino acid ratios to enhance mammalian cell growth.

A serum-free medium uses LPAR1 agonists to induce myogenic differentiation in muscle progenitor cells.

Culturing mesenchymal stem cells with SB431542, Noggin, and LDN193189 yields high-rate neural stem cell transformation without gene manipulation.

High oxygen partial pressure maintains dorsal-ventral polarity and structural accuracy during long-term maintenance of human cerebral cortex structures.

Monolayer neural stem cell culture using specific inhibitor combinations overcomes light absorption issues in suspension methods.

Decellularized 3D scaffolds expand mesenchymal stem cells under hypoxic conditions, preventing loss of therapeutic potency during rapid proliferation.

Culturing pluripotent stem cells with an EGFR inhibitor eliminates serum and feeder cell contamination while improving cardiomyocyte purity.

Adding putrescine to culture media adjusts specific glycan levels, resolving the trade-off between production simplicity and precise glycan control.

Tumor cell lysate extract accelerates monocyte maturation to functional dendritic cells in 48 hours, bypassing lengthy cytokine incubation periods.

A cryopreservation liquid combines trehalose, dextran, and DMSO to protect mammalian cells during freezing.

Co-culturing stem cell-derived endothelial cells with pericytes creates a stable human blood-brain barrier model.

Suspended culture of circulating epithelial tumor cells forms spheroids, enabling accurate therapeutic efficacy prediction and drug sensitivity testing.

N-acetylcysteine sustains hybridoma proliferation without animal proteins, resolving regulatory safety constraints while maintaining high productivity.

Dynamic fibroblast seeding on porous microbeads builds a fully endogenous dermis with organized extracellular matrix.