Biological Material Analysis TRIZ Cases

A PIVKA-II immunoassay uses a mixture of anti-F1 and anti-F2 monoclonal antibodies to detect the target glycoprotein.

A molecularly imprinted polymer biosensor uses nanoscopic metallic structures to enhance electrochemical signal generation.

Anti-CLDN18.2 antibody targets gastric cancer cells with high specificity, overcoming limited effectiveness of palliative chemotherapy.

Engineered variable domains target glycan-expressing tumor cells, reducing tumor size by 20% or more.

Optical sensor detects therapeutic biologic presence via resonance wavelength shifts, resolving time-consuming traditional assay bottlenecks.

A homogeneous time-resolved FRET assay detects VCAM-1 and alpha-2-macroglobulin using distinct fluorophores.

Silanized transparent glass replaces opaque nitrocellulose to capture antigens, resolving signal opacity issues in lateral flow immunoassays.

Segmenting the flow path into a hydrophilic region and a resin layer prevents light scattering, improving color development efficiency.

Monitoring soluble CD28 levels after anti-PD-1 therapy detects immune suppression, enabling targeted treatment with sCD28-reducing agents.

Engineered anti-ROR1 antibodies bind ROR1-expressing cells via specific heavy and light chain variable domains to treat metastatic cancers.

Nuclease-cleaved nucleic acid coatings trigger gold nanoparticle aggregation for rapid visual detection.

Magnetic particle conjugates isolate SARS-CoV-2 from wastewater, reducing detection time from 12 hours to minutes.

An enzyme-substrate system mediates ligand-receptor interactions to detect binding events independent of unknown signal transduction mechanisms.

SARS-CoV-2 nucleocapsid antigen detection in blood samples predicts mortality risk and guides antiviral therapy selection.

Magnetic bead protocols replace centrifugation steps to reduce sample preparation time.

Temperature-responsive gelatin layers enable selective capture and release of target particles without mechanical scraping.

Anti-LAG3 antibodies inhibit LAG3-mediated immune suppression to enhance antitumor immunity.

Disposable oral fluid collection device detects tenofovir metabolites via lateral flow immunoassays.

Optimized complementarity determining regions enhance CD28 detection precision while expanding application versatility.

Fluorescence polarization detects PARP probe binding to catalytic domains, resolving low throughput in monoPARP inhibitor screening.

A competitive immunochromatographic test strip measures hemoglobin and CRP simultaneously using reflected light intensity for hematocrit correction.

Magnetic retention and release of a ferromagnetic object in blood enables point-of-care platelet function assessment without large sample volumes.

A SARS-CoV-2 antibody detection assay uses receptor binding domain capture and nucleocapsid detection compositions to quantify immune response levels.

Segmented side illumination resolves uneven lighting at high resolutions, enabling precise nematode analysis in cell culture plates.

Formic acid-modified solid-phase extraction improves detection sensitivity to 500 ppq while maintaining consistent recovery rates.

Antibodies targeting TIM3 reduce immune exhaustion and improve cancer treatment efficacy.

An SPR sensing device integrates a cell culture module directly onto the metallic surface to monitor analyte release from living cells.

A sulphone-based cross-linker immobilizes biological molecules on substrates to enhance detection sensitivity.

Direct analysis of cytokeratin-negative and small CTCs overcomes EpCAM selection limits to detect castration-resistant prostate cancer.

Segmenting self-assembled monolayers isolates capturing molecules from protein-resistant matrices to reduce baseline drift and non-specific binding.

Microwave irradiation accelerates enzymatic deglycosylation of proteins using PNGase F, reducing processing time from hours to minutes for mass spectrometry.

Calculating initial fill velocity corrects analyte concentration errors caused by varying hematocrit and temperature effects.

Automated sample collection device uses optical detection to analyze fluid specimens, resolving manual alignment issues and contamination risks.

Segmented immuno-chromatographic cartridges quantify viral loads via colorimetric signals without complex instrumentation.

Alpha-synuclein fusion extends antibody half-life and improves pharmacokinetics without triggering auto-reactivity against self-antigens.

A microfluidic immunoassay system combines laser capture microdissection with MALDI mass spectrometry to isolate and detect specific protein biomarkers.