Biological Testing TRIZ Cases

Proteolytic cleavage removes exposed C-terminal interference, enabling accurate measurement of treatment-emergent anti-drug antibodies.

A quantum dot FRET assay detects organic analytes in liquids by displacement-based fluorescence changes, avoiding sample preparation and optical interference.

A lyophilized surrogate whole blood control separates rehydration from activation to deliver stable, adjustable clotting times for coagulometer checks.

Magnetic isolation of superparamagnetic nanoparticles replaces particle separation bottlenecks, enabling scalable and accurate protein corona analysis.

An adjustable cut-off based on particle-signal ratios keeps lateral flow assay results valid even when incubation time varies.

Selective peptide mass tags add diagnostic fragment ions to native MS, enabling clearer protein identification and multiplexed quantitation in complex samples.

Marker and global condensate perturbation scores help identify selective modulators for high-throughput drug discovery with fewer off-target effects.

Hydrophobic amphiphilic polymer coatings capture protein aggregates quickly, enabling label-free or fluorescent biosensor quantitation.

Synthetic CAA glycan structures replace variable crude antigens to improve Schistosoma antibody test specificity, sensitivity, and assay standardization.

Engineered dipeptide cleavases selectively remove labeled terminal amino acids under mild conditions, enabling peptide sequencing without harsh chemistry.

Biomolecules coupled to graphene add selective optical absorption, enabling wavelength-specific photocurrent beyond graphene's constant absorption.

Hydroxylamine release plus betaine adsorption speeds glycan preparation and improves yield for small O-linked glycans.

Chemically synthesized peptide capture agents improve selective detection of low-abundance IL-17A and IL-17F, including homo- and heterodimers.

A printed resistive bridge lifts baseline impedance so low-cost electronics can track blood clotting and support reliable at-home PT/INR testing.

A three-layer hydrogel, porous lipid, and hydrophilic polymer model improves reproducible evaluation of mucous membrane protective agent retention.

A BSPOTPE fluorescence assay estimates monoclonal antibody aggregation in seconds, easing the throughput limits of chromatography screening.

Acid dissociation and selective removal of free drug improve competitive ligand binding assays for accurate ADA and NAb detection.

NEM alkylation under denaturing, mildly alkaline conditions preserves native disulfide bonds and improves LC-MS peptide mapping accuracy.

Mixed graphene ink layers use conductive patches and interstitial carbon bridges to preserve sensor conductivity under cracking and wear.

Dual-fluorophore FRET probes enable quasilinear, ratiometric mitochondrial pH measurement with better reproducibility for metabolism and drug efflux analysis.

A single analyzer combines blood cell counting and fluorescence immunoassay, using HCT correction to reduce sample-specific result deviations.

Magnetic labels near a tunnel junction detect analyte binding directly, improving assay specificity and sensitivity without fragile ELISA wash steps.

A polynucleotide handle and modified motor protein control single polypeptide movement through a nanopore for accurate current-based characterization.