Cell Dissociation Methods TRIZ Cases

A method identifies CD8+ regulatory T cells using specific migratory and functional surface markers for cellular immunotherapy applications.

Additive pretreatment modifies cell density and size, enabling acoustic radiation forces to separate target cells from biofluids without foreign particles.

Two-step trypsin and EDTA treatment isolates vascular endothelial cells from embryoid bodies with high yield.

Engineered vocal fold mucosa restores voice function through aerodynamic-to-acoustic energy transfer.

Centrifuging agglutinated blood removes interfering cells, enabling capture of EpCAM-negative cancer cells onto a hydrophilic polymer layer.

Optimized enzyme composition separates cells from biological tissue while preserving activity across varying collagen content.

Sulfhydryl blocking reagents produce uniform extracellular vesicles, resolving polydispersity and low yield challenges.

Novel harvest media maintains optimal ion and protein concentrations during direct reseeding of adherent cells in hollow fiber bioreactors.

Enzymatic digestion of minimal subcutaneous adipose tissue isolates stromal progenitor cells, reducing surgical invasiveness and anesthesia risks.

Gamma irradiation removes immune cells from living fatty tissue, enabling long-term storage and reducing lipid oxidation.

Flash freezing tumor fragments in cryopreservation medium enables efficient tumor infiltrating lymphocyte expansion from stored tissue.

A fetal cell capture module uses recognition molecules attached via disulfide bonds to isolate target cells from maternal blood.

Replacing thermolysin with a specific enzyme ratio preserves cell viability while maintaining high disintegration efficiency.

Floating tissue fragments in a basal culture medium enable efficient nutrient diffusion, resolving low yield and enzymatic inefficiency in stem cell production.

Segmenting single-donor Wharton's jelly mesenchymal stem cell isolation eliminates genetic variability and graft versus host disease risk.

Collagenase degrades the collagen gel substrate to detach a retinal pigment epithelial cell sheet, eliminating inflammation risks from artificial membranes.

Antibodies targeting TREML2 protein isolate fetal cells from maternal blood samples for genetic analysis.

CarHc photoreceptors drive gel-sol transitions that eliminate mechanical scraping damage while maintaining cell viability during 3D culture release.

Engineered exosomes display heterologous proteins on their surface to enable precise molecular targeting and controlled therapeutic delivery.

Plant-derived exosomes extracted via apoplastic fluid separation enhance tissue regeneration.

Cooling muscle tissue samples before enzymatic processing yields highly pure skeletal muscle-derived cells.

A method isolating human dermal fibroblasts using CD39, CD36, and CD26 markers to separate distinct subpopulations.

Mesh filtration with optimized hole diameters maintains homogeneity and viability during high-speed subculture processing.

Mechanical disruption of anucleate cells overcomes red blood cell surface area limits, enabling high-capacity antigen encapsulation for vaccine delivery.

Enzymatic digestion yields cell aggregates adhered to amniotic membranes in defined media, eliminating zoonotic infection risks from animal-derived serums.

A minimally invasive micro-biopsy method isolates mammalian mesenchymal stem cells using density gradient centrifugation.

Extracting stable isotope labeled metabolites from microbial cell walls and membranes yields high purity compounds.

A mitochondrial extraction kit uses segmented chemical solutions to maintain organelle viability during in vitro processing.

Automated bone marrow extraction reduces ischemia time by segmenting cleaning, grinding, and separation modules to maintain cell viability during processing.

Optimized tissue digestion with Tryple and collagenase releases pariduval mesenchymal stem cells for selective medium expansion.

Isolating mesenchymal bone producing cells from dental pulp to generate viable living autologous bone tissue in vitro.

Buffered precipitate solution maintains physiological pH to preserve cell viability during extended storage and isolation.

Anti-CD63 antibody-coated magnetic beads replace ultracentrifugation to isolate high-purity exosomes without physical damage.

Two-stage enzyme treatment reduces processing time and contamination risk while increasing mesenchymal stem cell yield.

Dual-stage centrifugal separation purifies platelets from megakaryocyte cultures using controlled force gradients.

Controlled shear stress exploits adhesion differences to separate stem cells from contaminants, maintaining viability and purity without enzymatic damage.

Sequential density separation and antibody-based magnetic sorting purify fetal nucleated red blood cells to lower false positive rates in prenatal diagnostics.

An enzyme reservoir feeds into purification compartments using magnetic particles to selectively bind unwanted cells, ensuring consistent autologous transfer.

Encapsulating cells in tubular hydrogel controls aggregation homogeneity, resolving the trade-off between production efficiency and test result reliability.

Separating senescent cells from heterogeneous populations by exploiting protocadherin overexpression for selective adhesion to untreated surfaces.

Encapsulating synovial tissue in degradable hydrogel recovers stem cells to regenerate damaged cartilage and bone.

Enzymatic decellularization of plant cell culture materials using nucleases removes DNA content while preserving scaffold structure and biocompatibility.

A composite culture medium combining deacylated gellan gum with sodium alginate to maintain cell suspension stability during static culture.

A hydrophobic stationary phase binds extracellular vesicles via specific interactions to separate them from complex biological fluids.

Hypotonic media induce cell swelling to enable gentle plasma membrane removal, preserving organelle integrity lost during traditional high-shear extraction.

Segmenting large islets into small clusters on a planar scaffold eliminates core cell death from diffusion barriers, improving glycemic control.

Matrix-supported active reaggregation method guides pluripotent stem cells into three-dimensional neural tissue.

Rotating toothed tissue collector retains stringy collagen in a single container, preventing filter clogging and improving leuko stromal vascular cell recovery.

TLR agonists and optimized cytokines boost CD8+ T cell amplification efficiency while maintaining functional subpopulations like PD-1+ cells.