Material Analysis Using Immobilised Reagents TRIZ Cases

Light-switched proteins place and replace receptors only on sensing regions, cutting noise and enabling reusable nanophotonic analyte detection.

A contrast-agent bridge in the optical flow path separates phase interference and improves downhole water and oil measurement reliability.

A contrast-agent bridge in the optical flow path improves downhole water and oil analysis by filtering multiphase and particle interference.

A contrast-agent bridge channels light through downhole fluid flow to improve pH and fluid analysis despite oil, gas, water, and particulates.

A contrast-agent bridge in the optical flow path enables faster, more reliable downhole water and oil analysis despite multiphase flow and particulates.

Differential time-resolved photodiodes improve fluorescence analyte sensitivity and dynamic range while reducing sensitivity to manufacturing variability.

A two-emitter layout uses opposed axis intersections and 90°-180° spacing to keep analytical chip reactive regions evenly illuminated.

Vacuum-driven fluid control synchronizes sample delivery with real-time optical detection in disposable cartridges, reducing cross-contamination.

Elongated hollow structure with reflective walls guides light through test material to boost detection sensitivity.

PDA/ZnO nanocomposites resolve limited systematic study of polydiacetylenes by enabling stable, reversible colorimetric sensing via chelate formation.

A capillary diffusion device uses segmented downstream release zones to distribute detection reagents adjacent to capture zones.

Automated microfluidic reagent delivery and self-calibrating sensor ICs resolve the contradiction between manual operation simplicity and measurement precision.

Lateral flow assay uses endogenous enzymes to generate detectable signals without external amplification instruments.

Fecal sample diagnostic test detects food sensitivities via antibody binding agents, resolving invasive blood draw discomfort and high testing costs.

Magnetic bead capture concentrates amplification products on electrodes, resolving thermal cycling equipment complexity while maintaining high sensitivity.

Capillary flow moves blood samples across a paper substrate to enable visual agglutination, eliminating the need for complex laboratory instrumentation.

A waveguide assembly directs optical illumination through a nanoscale aperture into an integrated analytical reaction cell.

Immobilizing organic acid within PSA polymer membranes maintains catalytic activity despite water and salt deactivation.

Portable detection platform uses molecularly imprinted polymers to identify specific food allergens through selective binding.

Segmented illumination and periodic switching suppress background noise without damaging cells, enabling high-sensitivity observation of living specimens.

A transmembrane photoluminescent oxygen probe adheres to packaging membranes to measure internal gas levels without invasive placement.

Replacing FRET with luciferase-based BRET eliminates light absorption artifacts in serum, enabling reliable point-of-care monitoring.

Hydrogel particle masks prevent target depletion in non-sensing areas, improving the limit of detection by over an order of magnitude.

A fiber optic biosensor detects cannabinoids using nanoparticle conjugated bioreceptors.

Automated detection of assay-positive areas in microfluidic devices using digital image analysis and threshold comparison.

Disposable test cartridges containing pre-loaded reagents enable accurate analyte detection at the point of care without requiring trained technicians.

Mid-infrared spectroscopy identifies fixation signatures in cellular samples to evaluate quality states before further processing.

Electrospun nanofibers coupled with lead acetate particles enable detection below 1 ppm, overcoming thick film diffusion limits.

A multi-reflection silicon microchannel device separates reflected light paths to enhance measurement sensitivity.

Batch coating multiple substrates simultaneously produces uniform optical components, eliminating the need for individual calibration of each sensor.

A portable device detects antibodies against therapeutic drugs using segmented lateral flow technology.

Analysis device calculates relative count values using blank regions on the substrate.

Nucleophilic compounds with acidic protons catalyze aldehyde detection at room temperature, eliminating interference from unrelated compounds.

Compression bars press the conjugate pad to accelerate fluid movement and break up non-analyte clumps for rapid results.

A sensor chip integrates a lateral photodiode on an SOI substrate to detect characteristic light emissions from captured particles.

Tapered fiber sensors detect fluid analytes through evanescent field phase shifts, replacing bulky diagnostic equipment with compact optical systems.

Infrared reference dye measures reflectance ratios to flag moisture-compromised reagents and ensure accurate protease detection.

A specimen measurement apparatus uses electromagnetic wave detection to control transition timing between test steps.

A nanostructure-based LSPR biosensor integrated with a smartphone detects SARS-CoV-2 antigens through spectral shifts in reflected light.

A rotating sample analysis device moves a magnet unit to attract magnetic particles within a disposable substrate chamber.

Integrated computational elements optically interact with fluids to generate signals corresponding to chemical reaction characteristics.

Raman reporter molecules convert visual color signals into quantitative spectral data, resolving low sensitivity limits in traditional lateral flow assays.

A microarray assembly uses a hydrophilic interior surface to facilitate complete filling and continuous fluid flow through the array chamber.