Microbiological Testing/Measurement TRIZ Cases

A lipid composition facilitates nucleic acid transfection into cells using a specific compound and phospholipid.

Quantifying alpha haemolysin in colonized patients enables early targeted antibiotic therapy, reducing multi-drug resistance emergence.

DNA methylation analysis quantifies leukocyte distributions from archival samples, eliminating the need for fresh cells and expensive flow cytometry equipment.

Rolling circle amplification creates tandem repeats converted to circular forms by recombination proteins, eliminating bacterial contamination risks.

Novel soybean resistance locus enables marker-assisted selection, overcoming pathogen evolution that limits race-specific cultivar durability.

Southern by Sequencing replaces slow Southern blots with high-throughput sequencing to accurately detect rearrangements and partial fragments in plant genomes.

Controlled cleavage of double-stranded polynucleotide templates generates single-stranded regions for sequential hybridization and sequencing.

Nested PCR and restriction enzymes detect tuna-derived germ cells, resolving efficiency bottlenecks in surrogate fish transplantation.

A tube lens maintains optical resolution across a large field of view in genomic testing modules.

A 3D nanopore device uses independently addressable electrodes to detect biomolecules via ionic current changes.

Dialkylacetamide compositions stabilize nucleic acids and proteins at room temperature, eliminating the need for complex cooling equipment.

Melt analysis distinguishes cleaved substrates in a single color channel, overcoming instrument complexity limits.

Optimizing magnesium ion concentration in a lower alcohol solution prevents DNA degradation during extended storage.

Catalytic DNA hairpins pattern primer exchange reactions to synthesize single-stranded DNA at constant temperature.

Human cell-free extracts produce isotopically labeled mammalian proteins for mass spectrometry quantification.

Magnetic bead mediators enable non-destructive extraction of high-density DNA storage, resolving device complexity and detection difficulties.

Metallic nanoparticles on DNA origami structures create optical antennas that enhance fluorescence signals for precise molecular detection.

An isotachophoresis system concentrates analytes via electromigration across a reactive surface.

Crosslinked polyvinyl alcohol membranes inhibit diffusion of interfering species, reducing signal interference by 50% while maintaining sensor stability.

A nucleic acid quantification method normalizes target loads using an endogenous control to enable accurate cross-sample comparisons.

X13F228W maize hybrid incorporates disease resistance and drought tolerance through controlled crossing of specific inbred lines.

A diagnostic kit detects serum miRNA markers to identify ossification of the posterior longitudinal ligament.

Continuous electrophoretic separation eliminates manual sample preparation, enabling real-time pathogen monitoring in water streams.

A faeces-sensitive material reacts with sulfur compounds to change electrical conductivity in an absorbent article sensor.

A DNA source identification method using methylation ratios between specific loci to determine tissue type.

Trehalose mediates between reverse transcriptase and thermostable DNA polymerase, preventing enzyme interference to enable reliable one-step RNA amplification.

Polymer buffers shrink particles to resolve aggregation and improve sequencing detection.

Insulated nanoelectrodes in nanopores reduce noise and maintain ionic current stability during rapid DNA translocation.

Imaging-guided selective linker cleavage associates cell position with mRNA data, resolving the trade-off between spatial precision and tissue sectioning.

A multi-layer fluid distribution system ensures uniform bacterial culture filling across multiple wells.

Modified primer sequences resolve detection accuracy issues for Ostreopsis cf. ovata in seawater samples.

Viscoelastic analysis detects fibrinolysis by comparing clot stability with and without inhibitors, resolving low specificity of indirect biomarkers.

A CRISPR-based diagnostic method detects viral variants using guide RNA binding and collateral cleavage activity.

Gene expression analysis identifies thymic cancer biomarkers to detect early-stage disease and guide treatment selection.

Modular nucleic acid sequencing system applies segmentation and feedback principles to resolve the contradiction between high throughput and device complexity.

Bisulfite treatment converts unmethylated cytosines to uracil for precise immune cell quantification using methylation-specific qPCR assays.

Body-less ISFET arrays eliminate the body effect to resolve signal linearity issues in DNA sequencing.

Primers and probes detect partially methylated nucleic acid sequences, reducing false negatives in diagnostic applications.

Genomic library segmentation accelerates microorganism gene identification through parallel processing of expressible sequence tags.

Flow cytometry detects microorganisms using fluorescence-marked nucleic acid probes in liquid phase.

Marker loci detect flowering alleles to replace late field testing with early genotypic selection.

Epithelial cell lysis substrate enables rapid Avellino corneal dystrophy allele detection.

A roller pen applies enzymatic ink directly onto reusable sensor strips to create active detection layers.

Allele-specific blocking primers enable rapid single nucleotide polymorphism detection under isothermal conditions.

Oligonucleotide constructs with unique identifiers enable high-throughput sequence validation and assembly of larger DNA molecules.

Measuring normalized expression levels of ATP5E, TITF1, and BRCA1 genes to predict patient response to EGFR inhibitor therapy.

Specific genetic markers determine susceptibility to atrial fibrillation and stroke, enabling early intervention strategies that improve predictive accuracy.

Targeting a specific deletion in the fibrinogen alpha chain gene allows breeders to identify carriers and prevent lethal bleeding disorders.

Sequential gene knockouts and marker removal in Escherichia coli allow multiple plasmid introduction, resolving limitations in combination drug testing.