Biological Material Analysis TRIZ Cases

Antibodies targeting the mature Anti-Mullerian Hormone region resolve proteolysis susceptibility and species variability in immunoassays.

High-affinity antibodies target TM4SF5 to inhibit cancer cell growth and metastasis, addressing the lack of specific therapeutic agents.

A method using the OR4E2 olfactory receptor to screen test compounds against sulfur odorants.

Replacing PCR amplification, the spring element detects viral antigens via conductivity changes in a nanoparticle matrix, eliminating thermal cycling delays.

A homogeneous bioassay uses Protein L and fluorophores to detect soluble antibodies without washing steps.

Tandem mass spectrometry distinguishes isobaric IGF-I variants using specific mass-to-charge ratios and retention time parameters.

A hydrophilic high molecule layer on a sensor chip immobilizes ligands to enhance antigen-antibody reactivity while suppressing viscosity-induced signal noise.

Fusing differentiated forebrain subdomains creates integrated 3D spheroids that overcome 2D culture limitations for accurate drug screening.

A recombinant procalcitonin antigen with targeted amino acid mutations enables high-affinity monoclonal antibody production.

Segmented bead assay captures immune complexes to resolve precision versus complexity in donor-specific antibody detection.

A reusable pregnancy test device employs molecularly imprinted polymers for analyte binding and a rechargeable electronic unit for result readout.

Blue-shifted reference dyes prevent photobleaching in optical glucose assays, maintaining assay stability and reducing sensor dose response loss.

Flow cytometry detects cardiomyocyte subsets via specific cell surface markers, resolving the trade-off between identification accuracy and method complexity.

Merging magnetic separation and optical sensing into a single nanoprobe structure enables ultralow concentration pathogen detection without enrichment stages.

Antibodies bind posaconazole fragments to quantify drug levels, resolving measurement capability issues for therapeutic management.

Conjugating cell-penetrating peptides to monoclonal antibodies overcomes membrane barriers to inhibit intracellular PRL-1 and PRL-3 proteins.

Targeting the TM4SF5 extracellular loop 2 region, these monoclonal antibodies inhibit cancer metastasis and cell migration.

Crystal structure of Staphylococcus aureus autolysin E enables inhibitor screening via atomic spatial data.

Antibodies bind exosome antigens to simplify analysis, replacing complex microRNA methods.

A multiplexer microfluidic device uses segmented inlet channels and independent valves to deliver distinct sample populations to a processing element.

Anti-SIRPα antibodies bind human SIRPα to block the don't eat me signal and enhance tumor cell phagocytosis.

Capillary action separates plasma from whole blood cells to enable rapid visual hemolysis detection without laboratory centrifugation.

Anti-CD37 antibodies target specific extracellular epitopes to eliminate nuclear background interference and improve staining specificity.

Two-assay method using isolated antigens to calculate antibody avidity indices without hazardous chaotropic reagents.

Phage-displayed nanobodies replace monoclonal antibodies to improve stability and lower production costs for dengue detection.

A microfluidic device uses a dissociation agent to release targets from host-responsive proteins for sensitive detection.

Identifying the OGTA025 membrane protein enables non-invasive blood tests that overcome invasive biopsy requirements for early cancer detection.

Amino acid modifications in humanized anti-CD200 antibodies resolve aggregation constraints at higher concentrations, extending half-life for cancer treatment.

Combining five specific monoclonal antibodies overcomes limited isolate coverage and cross-reactions found in existing detection methods.

Laser scribing fabricates graphene electrodes on a lab-on-skin biosensor, resolving the trade-off between measurement precision and fabrication cost.

A spin luminescent reporter generates a fluorescence signal modulated by a time-varied physical field to enhance detection sensitivity.

Engineered cell lines produce HER3-binding antibodies to overcome treatment resistance by inhibiting signaling and promoting receptor degradation.

A nesting support base holds a post via a receiving formation while preventing lateral movement through interlocking structural features.

Heating limulus amebocyte lysate above 40°C selectively inactivates endotoxin-reactive factors while preserving beta-glucan sensitivity.

A sequence transform neural network combines categorized experimental methods into embedding vectors to predict MHC-peptide binding.

Engrafting xenogeneic hematopoietic stem cells into TLR4-null mice creates a reliable model for studying human immune responses.

Ion exchange chromatography separates hyaluronan molecules into size-based fractions using an anion exchange matrix and salt gradient elution.

Inducing a foaming phenomenon in blood samples enables rapid coagulation tendency evaluation, resolving the trade-off between speed and precision.

Acidification exposes masked immunogenic epitopes on pegylated enzymes, resolving low-sensitivity detection limits in enzyme substitution therapy monitoring.

Segmented substrates with barcode molecules localize analytes from single cells, resolving the trade-off between measurement precision and device complexity.

A stop button deactivates during sensitization processing to prevent chemical solution adhesion.

Segmenting the antibody into a single-domain VHH reduces molecular weight, improving tissue penetration and soluble expression for targeted therapy.

Aptamer-conjugated quantum dots isolate and label microbes in fuel, replacing slow laboratory PCR methods with direct optical signal transduction.

A sulfated polysaccharide additive forms immunocomplexes to stabilize measurement signals across diverse biological sample types.

Antibody targeting lysyl-tRNA synthetase N-terminus reduces immune cell migration in pulmonary hypertension.

Unique epitope-specific antibodies target CD137 in the tumor microenvironment, resolving hepatotoxicity while achieving complete tumor regression.

Antagonist antibodies bind galectin-10 to shield crystal packing interfaces, inhibiting Charcot-Leyden crystal formation that drives pro-inflammatory responses.

A photonic-crystal biosensor detects endotoxins by monitoring refractive index changes in test solutions.