Biological Testing TRIZ Cases

A urine component analysis device converts single-sample concentrations into daily total values using stored correlations.

A U-shaped coplanar electrode unit increases horizontal electric field intensity through its three-dimensional geometry.

Direct-current resistance measurement stabilizes ion selective electrode interface potential for accurate electrolyte concentration analysis.

Dried body fluid cards preserve extracellular vesicle integrity during storage, eliminating the need for immediate processing by authorized personnel.

Bicelle-dilution model membranes replace unstable vesicles to maintain assay reliability and reproducibility across freeze-thaw cycles.

A serologic test detects active tuberculosis by binding IgG, IgA, and IgM antibodies to Mycobacterium tuberculosis membrane vesicle proteins.

Non-toxic quantum dots with core-shell structures provide near-infrared emission to eliminate tissue autofluorescence interference.

Dual-frequency current injection isolates the measurement signal from stray electromagnetic fields and signal offsets, ensuring robust immunoassay readings.

Cleaving peptide barcodes from fusion polypeptides resolves the contradiction between protein stability and amplifiable signal detection.

Heating ambient air releases volatile organic compounds detected by a mass spectrometer, enabling non-invasive virus screening without invasive sampling.

Segmented detector elements minimize direct signal coupling interference, enabling precise non-invasive analyte detection in biological tissues.

A microscope system combines diffraction-limited imaging with MINFLUX superresolution microscopy to screen compounds of interest.

Phosphocholine polymer enhances immunoagglutination sensitivity while reducing blank values in high salt concentrations.