Biological Testing TRIZ Cases

A bioparticle positioning sensing system uses a first sensor to screen detection areas and a second sensor for high-precision location tracking.

A silicone granule uses tetrabromophenol blue to detect protein in pet urine through visible color changes.

Ex vivo organotypic slices measure cell proliferation via EdU incorporation, resolving normal tissue toxicity prediction limits in radiotherapy.

A blood analyzer coordinates overlapping sample preparation and measurement periods using distinct optical and electric detection paths.

Exosomes transfer drug resistance to sensitive cells, bypassing genetic mutation inaccuracies for reliable anticancer screening.

Segmented cantilevers coupled with laser detection measure neuromuscular transmission precision without increasing electrical measurement complexity.

An assay method converts interfering glucose in whole blood to prevent measurement errors while isolating cells through filtration.

Pre-binding avidin to probes before carrier attachment minimizes blank reactions and improves reproducibility in sensitive detection assays.

A low osmotic pressure reagent with a solubilizing agent shrinks damaged erythrocytes to enable precise nucleic acid staining of immature leukocytes.

A megalin mediator captures DBP-bound vitamin D metabolites to enable direct quantification of effective serum status.

An assay device uses an interrupting wash fluid to manage sample volume and wash detection channels.

An in vitro hepatocyte culture system predicts autoimmune reactions post gene therapy by measuring taurocholic acid transport to minimize graft rejection risk.

Solid substrate multiplex ELISA immobilizes capture agents to resolve signal overlap and sensitivity trade-offs in complex biological samples.

Adjusting the working electrode effective area during biosensor production to maintain dose-response curves within a predetermined tolerance range.

Unlabeled class-specific antibodies compete for unspecifically bound immunoglobulins to reduce background signals in immunoassays.

Principal component analysis reduces signal interference from ambient parameters in multivariate environments.

Enzymatic colorimetric detection quantifies total oil content in small plant samples, overcoming gravimetric limitations.

A reagent kit uses a polyoxyethylene nonionic surfactant and solubilizing agent to stain nucleic acids in blood samples.

HEPES and ammonium chloride buffer maintains physiological pH to preserve leukocyte integrity during erythrocyte lysis while achieving quantitative depletion.

Bayesian networks prioritize genetic variants through modular sub-network analysis, resolving computational complexity in genome interpretation pipelines.

Flow cytometry detects optical signals from magnetic bead complexes, resolving the trade-off between analysis time and detection sensitivity.

Periodic fluorescence modulation separates the target signal from substrate background noise, achieving 810-fold signal-to-noise enhancement.

Engineered cells encode unique peptide tags for protein quantification, reducing analysis time and complexity.

A weighted transform combines linear and logarithmic functions to process particle analyzer data.

Antibody capture molecules immobilize virus particles on a substrate for spatially resolved fluorescence detection.

Sequential transfer of test compounds to fresh hepatocyte cultures overcomes rapid loss of P450 expression in static assays.

A microelectronic chip isolates highly lytic CTL and NK cells using dielectrophoresis.

A bio measuring meter coding module uses mechanical figured elements to activate switches and transmit sample strip data.

Charged organic polymers coordinate lanthanide ions to generate time-gated luminescence signals for concentration measurement.

Hyaluronic acid coatings enable selective binding of circulating tumor cells from blood samples while maintaining cell viability for reliable cancer diagnosis.

Isotopically labeled amino acids measure protein turnover rates across multiple tissues, resolving proteome-wide dynamics limitations in steady-state analysis.

Tryptic digestion enables mass spectrometry to quantify distinct immunoglobulin classes, resolving ambiguity in subclass differentiation.

A tutor model building system captures user actions to generate behavior demonstrations and combines them into behavior graphs.

A simplified ELISA method integrates pre-treatment steps and homogeneous microspheres to streamline the assay workflow.

Directed Isotopic Positional Derivatization eliminates retention time shifts caused by deuterated reagents, ensuring accurate mass spectrometry identification.

An integrated test strip combines a filtration pad and overlay to eliminate tedious preparation steps and reduce testing time.

A biosensor test strip applies dual voltages to measure electric current for calculating hematocrit and glucose levels simultaneously.

Divalent metal ions modify the reaction environment in a latex agglutination test for PIVKA-II detection.

Optical scattergrams differentiate platelet subpopulations using fluorescence and scattered light signals.

Segmented fluidic channels enable simultaneous measurement of hematocrit, plasma viscosity, and fibrinogen within seven minutes.

A bacterial density assay measures humoral immune system function through direct blood mixing.

A calibration device vaporizes samples via a heater and pump to deliver analytes directly to the detector.

Segmenting the display interface resolves the contradiction between simple operation and comprehensive history tracking.

UPLC/MS with ethyl acetate extraction quantifies schizadrin B in plasma, resolving low sensitivity against system complexity.

ProADM biomarker levels stratify infectious disease patients, reducing unnecessary hospital admissions while ensuring high-risk cases receive intensive care.

Segmenting the device into a base unit and interchangeable modules resolves complexity and cost trade-offs while enabling user-driven feature upgrades.

A diagnostic reagent copolymer stabilizes antigen-antibody reactions on insoluble carriers.

Targeted mutations at transmembrane helix interfaces enhance conformational stability of membrane proteins.