Biological Material Analysis TRIZ Cases

Amyloid fibers on an electrode detect heavy metal ions through redox current changes.

Engineered allogeneic tumor-infiltrating lymphocytes express membrane-bound interleukin 15 to expand without exogenous cytokines.

A normal incident guided-mode-resonance biosensor detects procalcitonin using optical resonance shifts on a bio-sensing chip.

Modified VRC01 antibodies stabilize interactions with HIV-1 Env trimers through specific amino acid substitutions in the heavy chain variable region framework 3.

High-affinity monoclonal antibodies detect BoNT/B at low concentrations, resolving the trade-off between assay sensitivity and sample preparation complexity.

Simoa-based urine assays detect Mycobacterium tuberculosis antigens to resolve sensitivity and specificity trade-offs in active infection diagnosis.

Stacked analyte detection membranes with pressure actuators enable rapid pathogen identification, reducing analysis time from days to minutes.

Regenerating probes with denaturing reagents reduces cost per test while maintaining clinical assay performance.

In vitro FcRn cell assays measure transcytosis and recycling rates of therapeutic antibodies, replacing costly animal studies with accurate human-relevant data.

A multilayer microfluidic device uses ELISA principles to detect SARS-CoV-2 biomarkers in under 10 minutes.

Engineered CD47 monoclonal antibodies bind human CD47 to block SIRPα interaction, promoting macrophage phagocytosis without red blood cell depletion.

Ion channel markers identify high-risk DCIS lesions to eliminate unnecessary aggressive treatment for low-risk patients.

Monoclonal antibodies targeting death receptor 5 reduce CX3CL1 levels, resolving specificity issues in cancer and arthritis therapies.

A monoclonal antibody recognizes the integrin binding site on human TGF-β LAP degradate for specific immunological detection.

An aptamer sequence achieves sub-100 nM binding to GDF8 while avoiding cross-reactivity with homologous GDF11 proteins.

Segmenting detection via local quality resolves cross-reaction trade-offs, enabling precise malignant B-cell neoplasia diagnosis.

Engineered monoclonal antibody 5F11 achieves picomolar binding affinity to overcome insufficient specificity of current anti-Axl antibodies.

In silico maturation and bivalent linking resolve insufficient binding affinity, enabling highly sensitive VEGF detection without complex antibody production.

A two-stage blood test measures FGF19 levels followed by cholestyramine suppression to validate cancerous origins.

Compartment-specific Ca2+ sensors use tuned affinity variants to measure intracellular concentrations without perturbing the cellular environment.

Directed evolution expands substrate specificity to LMVGG motifs, enabling site-specific protein modification without genetic manipulation.

A progesterone measuring kit uses labeled and unlabeled particles to detect target concentrations.

Functionalized graphene layer measures electrical conductance changes when antibodies bind to viral particles.