Culture Process TRIZ Cases

Bioorthogonal nanobody coupling guides immune cells to tumor cells without genetic manipulation.

Conventional isolation yields mixed cells; staged DMEM/F12, M171, and FBS culture enriches umbilical cord MSC homogeneity.

This case uses freeze-thaw platelet lysis and centrifugation to produce a traceable serum replacement for stable stem cell culture.

A defined culture medium differentiates human pluripotent stem cells into dermal papilla precursor cells for subsequent tissue engineering.

Water-soluble poly(oxazolines) reduce mechanical stress from vigorous stirring, improving cell viability and density in serum-free bioprocessing.

Defined medium formulation eliminates immunogenic risks while maintaining productivity across multiple CHO cell lines.

A two-stage culture method derives mesenchymal stem cells from pluripotent stem cells using neural ectoderm induction in chemically defined media.

A mesenchymal stem cell culture medium containing PTEN, p53, and Wnt modulators maintains undifferentiated states.

Spirulina hydrolysate replaces animal serum in cell culture media, reducing ethical concerns and costs while maintaining reliable cell growth.

Secretome from Wharton's jelly delivers cytokines and exosomes to activate cellular signaling, accelerating wound closure while reducing treatment complexity.

A supplemented serum culture medium enhances ARPE-19 cell growth and human cytomegalovirus yield.

HLA homozygous induced pluripotent stem cell-derived neural precursor cells reduce production time while eliminating immune rejection in stroke therapy.

Electron beam radiation applied to frozen platelet compositions reduces pathogens by 3-log while maintaining over 50% of initial growth factor levels.

A cardiac stem cell spheroid preparation method using non-adhesive culture vessels to enhance myocardial differentiation and regenerative capabilities.

Ischemic serum replaces fetal bovine serum to accelerate stem cell proliferation, reducing culture time while enhancing viability for brain injury treatment.

Treating culture media with cold atmospheric plasma creates stable reactive species, resolving storage duration versus anti-cancer capacity consistency.

Defined medium with specific growth factors resolves low efficiency in deriving arterial endothelial cells from stem cells.

A method produces non-exhausted immature dendritic cells from allogeneic monocytes using GM-CSF and IL-4 supplementation.

CLON-G composition extends neutrophil lifespan and shelf life by blocking apoptosis, necroptosis, and lytic death pathways.

Adding L-glutathione or ascorbic acid to serum-free culture media reduces oxidized forms of recombinant FSH, preserving protein stability and product quality.

Generating 3D cortical spheroids from human induced pluripotent stem cells to replicate in vivo neural network complexity for drug screening.

A three-tiered screening platform uses engineered cardiac tissue strips and organoid modules to detect inotropic effects of drug compounds.

Sequential stimulation with specific cytokines and antibodies amplifies natural killer cells while eliminating prolonged immobilization of anti-CD3 antibodies.