Biological Testing TRIZ Cases
- Surfactant Partition Coefficient Measurement Below Critical Micelle Concentration
A test method maintains surfactant concentrations below the critical micelle threshold to prevent interference during solvent equilibration.
- Analysis Substrate With Stimulus-Responsive Isolators for Multiplexed Biomarker Detection
Segmenting a substrate with wettability-changing isolators enables simultaneous multiplexed biomarker analysis without complex optical systems.
- Latex Particles for Agglutination Assays Suppressing Non-Specific Reactions
Emulsion polymerization creates latex particles with sulfonate monomers and controlled nonionic surfactant levels to enhance specific agglutination reactions.
- Optical Detection of Platelet Activation for Anti-Platelet Therapy
Single particle optical sizing detects microparticles ejected by platelets to assess anti-thrombotic drug efficacy.
- Complement Screening Using Cytotoxicity Markers
Screen therapeutic drugs using cytotoxicity markers induced by complement activation in stem cell-derived models.
- DNA Fragment Identification via Genomic Coverage Histograms
Grouping short reads into genomic coverage histograms reveals long DNA fragment boundaries for accurate structural variation detection.
- Free Light Chain Assay Using Reducing Agent Separation
A free light chain assay converts multimeric analytes into monomeric forms using a separating agent for precise quantification.
- Hematocrit Measurement Apparatus Using Dual Impedance Detection
Dual electrode apparatus measures blood impedance to determine hematocrit levels, compensating for flow rate variations that cause measurement errors.
- Membrane-Engineered Cellular Biosensors for Selective Analyte Detection
Electroinsertion of receptor-like molecules into cell membranes overcomes genetic modification limits to achieve selective analyte detection.
- Latex Agglutination Immunoassay Error Reduction via Imidazole Buffer
Imidazole buffer reduces lipid interference in latex agglutination immunoassays, ensuring accurate analyte detection despite hyperlipidemia.
- Targeted Proteomics SARS-CoV-2 Antibody Detection Automation
Automated targeted proteomics replaces labor-intensive ELISA assays to identify and quantify SARS-CoV-2 antibodies with high throughput and accuracy.
- Rapid Tick Tester Using Beveled Grinding and Lateral Flow Immunoassay
A disposable tick-testing device grinds biological samples with a diluent to release pathogens for lateral flow immunoassay detection.
- Electrochemical Sensor for Phenolic Analytes Using Pre-Associated Capture Agents
Pre-associated sensor analytes on the electrode surface enable rapid detection of phenolic analytes without prolonged incubation or buffer interference.
- Serum Antibody Analysis Using Immobilized Blood Group Antigens
Segmenting erythrocyte membrane fragments from whole cells eliminates indirect derivation, improving antibody detection precision and clarity.
- Homozygous uPA Transgenic Mice for Stable Human Hepatocyte Engraftment
A homozygous uPA transgenic mouse model enables stable human hepatocyte engraftment through controlled liver damage.
- Alkylamine Adducts for Vitamin D Metabolite Mass Spectrometry
Alkylamine derivatization resolves assay variability and hydrophobicity issues, enabling sensitive quantification of 25-hydroxyvitamin D2 and D3.
- Enamel Repair Visualization Method Using Single Block Evaluation
Single enamel block evaluation merges pre-treatment and post-treatment measurements to eliminate sample variability and improve accuracy.
- Polycarbonate Resin Composition for Fluorescence Substrates
Aromatic polycarbonate resin composition reduces autofluorescence through controlled interfacial polymerization and alicyclic structure design.