Culture Process TRIZ Cases

Shaking suspension culture maintains mesenchymal stem cells in an undifferentiated state through controlled mechanical agitation.

Freezing and thawing a separated metanephros enables ex vivo stem cell transfer, eliminating embryo cultivation risks and simplifying production.

Mixing with growth medium and shearing lowers viscosity while maintaining gel strength for cell culture.

High-concentration HEPES resolves toxicity and buffering trade-offs to stabilize pH for dense stem cell growth.

Fungal-derived proteins self-assemble into adhesive hydrogels, eliminating animal components while maintaining cell viability and alignment.

A silk fibroin membrane mimics human skin absorption behavior.

Physiological salt washes restore collagen triple helix structure and moisture, preventing ECM destabilization during decellularization.

Callus culture processes decouple anthocyanin supply from seasonal fruit variability through controlled biomass growth and chemical elicitation.

Applying centrifugal force at physiological temperatures accelerates layering while maintaining morphology and enabling non-invasive transfer.

Multi-wavelength synthesis of Faraday waves overcomes single-wavelength limits to construct multi-scale cell structures for tissue engineering.

A defined serum-free medium supports stable human umbilical cord mesenchymal stem cell expansion using recycled supernatant and recombinant growth factors.

Exposing T cells to IL-12 and hypoxia upregulates CXCR4 receptors, allowing tumor homing without genetic manipulation complexity.

Defined small molecule inhibitors drive pluripotent stem cell differentiation into homogeneous renal precursors, eliminating undefined serum components.

A cell culture medium containing anti-coagulated total blood supports primary human and tumor cell survival.

Cultivate fish cells with short-chain fatty acids to boost EPA and DHA levels, addressing aquaculture feed scarcity.

Optimized DMSO and human serum albumin concentrations balance cryoprotective function against cell toxicity for clinical applications.

Non-thermal plasma releases angiogenic growth factors from endothelial cells, avoiding tissue damage and precise dosing challenges.

Macrophage-derived microparticles functionalized with folic acid ligands enable precise targeting of Folr2 receptors on pathogenic cells.

HDAC inhibitor treatment prevents genetic silencing during ex vivo expansion, maintaining long-term marrow-repopulating potential.

Statin and kinase inhibitors convert somatic cells to osteoblasts, eliminating canceration risks from gene introduction.

A removable aseptic chamber induces hypoxia and reoxygenation cycles to polarize macrophages into the M2 phenotype.

A mesenchymal stem cell transplant uses a polycistronic plasmid to co-express CD200, Galectin-9, and VISTA genes without viral vectors.

A microfluidic device merges discrete cell entities to detect T-cell activation via cytokine release.

Replacing bovine serum with human albumin removes allergenic risks while maintaining cell adhesion for clinical applications.

An mTOR activator upregulates CXCR2 and cMYC expression, resolving undefined reprogramming conditions that limit efficiency in conventional methods.

Expanded EPO-producing kidney cells restore blood levels without iron overload or immune rejection.

A protein-rich conditioned medium formulation stabilizes bioactive components through a composite system of cryoprotectants and buffers.

Laser creates micro-holes in the zona pellucida to improve transfection efficiency without impairing embryonic development.

Differentiating human pluripotent stem cells into atrial cardiomyocytes using sequential Wnt and BMP signaling modulation.

A single-cell autofluorescence image sensor captures intrinsic cellular light signals for activation state classification without external labels.

A medium composition containing Ecklonia cava extract dedifferentiates mesenchymal stem cells into induced pluripotent stem cells.

Ex vivo expansion of CD4+ and CD8+ T cells via artificial antigen-presenting platforms addresses limited treatment availability for emerging viral infections.

Unreacted hydrogel powder combines activating and cross-linking enzymes for controlled gel formation.

A method differentiating pluripotent stem cells into alveolar epithelial progenitor cells using sequential culture media containing specific growth factors and inhibitors.

Quantifying TGFβ1 release selects active mesenchymal cells, resolving heterogeneity in potency testing.

A myocardial sheet combines cardiomyocytes, endothelial cells, and mural cells to promote engraftment of functional tissue.

Differentiating neural precursor cells into microglial precursors using insulin and GM-CSF.

Inkjet deposition of nerve cell droplets onto adhesive substrate regions suppresses migration and stabilizes precise neural circuit formation.

PSA-NCAM-positive neural precursor cells promote angiogenesis and inhibit inflammatory responses in neuroinflammatory disease treatment.

Ex-vivo osteoblast culturing expands autologous cells for targeted injection, resolving donor site morbidity and limited graft quantity.

A buffered salt solution with extracellular matrix components and reducing agents maintains stem cell viability during storage.

Micro-patterned substrate confinement rejuvenates fibroblasts without genomic mutations, restoring DNA fidelity and cytoskeletal gene expression.

Hypoxic expansion activates marrow infiltrating lymphocytes to overcome low tumor specificity in adoptive cell therapy.

S-sulfocysteine bypasses specific transporter limitations to boost glutathione pools and IgG titers in cell culture.

Defined small molecule culture media replace animal sera to generate pure photoreceptors without cytokines.

Episomal plasmid vectors deliver reprogramming factors to blood cells, eliminating genomic instability from integrating vectors and fibroblast culture.