Component Separation TRIZ Cases

Comparing chromatograms at two makeup gas flow rates reveals leaks or obstructions in rig-site GC systems without disassembly.

Automated GC quality checks compare detector readings across valve positions to find sample loop and column leaks without disassembly.

An actuated mounting mechanism moves a sample separation unit into a force-loaded fluid connection, reducing handling errors and setup skill.

Controlled-release encapsulated reagents in flow-through workflows cut manual sample-prep steps while improving stability and reproducibility.

Engineered multi-domain protein A ligands use alkaline-stable amino acid substitutions to withstand NaOH CIP and retain binding capacity.

Stored fluorescence models and time-series chromatography data identify more dyes than sensor channels despite spectral and time overlap.

A controller calculates carrier gas consumption from flow rate and analysis time, so operators can monitor usage on the chromatograph display.

Coated metallic fluid-contacting elements let liquid chromatography handle incompatible analytes above 150°C and 60 MPa with small particles.

Hydrophilic-group polymers bonded to inorganic carriers improve molecular recognition, peak shape, and retention consistency for hydrophilic compounds.

A microfluidic mixer, fiber separation tube, and HPLC enable fast partition coefficient measurement in crude oil despite strong fluorescence.

Stored peak start times let repeated injections route identical components to the same fraction while avoiding foreign peak collection.

HILIC purification lowers mRNA charge states before mass spectrometry, improving peak resolution for accurate sizing of longer nucleic acids.

Pressure readings at different solvent mixing ratios reveal solvent identity and properties without extra sensors or manual setup.

Mass spectrometry replaces antibody assays for chromogranin A, improving specificity, dynamic range, and reproducible tumor monitoring.

A helical polyacetylene on a carrier adds 2-phenylpyridine-N-oxide sites to separate aliphatic alcohols and similar chiral compounds.

Balancing dual flow-path resistance keeps phase-switching flow changes within 15%, reducing noise and improving thermal conductivity detection accuracy.

Separate primed flow paths and valve switching cut hold-up volume in repetitive preparative chromatography, improving peak resolution and buffer use.

Online pyrolysis with a 5A molecular sieve and programmed desorption separates C8-C13 n-alkanes for faster, more reliable carbon isotope analysis.

High rotor speed during sample injection then lower speed for separation stabilizes particle positions, shortens analysis time, and sharpens peaks.

HILIC separation with mass analysis resolves viral capsid protein heterogeneity and stoichiometry for clinical-grade vector quality control.

A breakable fixing part and shock-absorbing shield let a disintegrating rotor move safely, reducing cover damage and overturning risk.

HILIC with charged aerosol detection separates and quantifies fosfomycin, impurities, and degradation products that UV methods miss.

Capillary action and hydraulic pressure drive a sample through an immobilized porous matrix to remove hemoglobin before chemical analysis.

Electric fields drive cofactors through a gel matrix to fragment and tag nucleic acids while reducing handling damage in library preparation.

Urinary D-serine and D-asparagine excretion ratios enable more precise, lower-burden kidney assessment than conventional markers.

A switchable mixer layout lets one liquid chromatography setup handle both diluted and undiluted sample injection with less reconfiguration.

Tuned parallel flow paths with offset volumes suppress pump-cycle composition oscillations, improving chromatography detection without large mixer delay.

Continuous top-down and bottom-up analysis tracks proteoform and CQA shifts in fermentors, enabling faster process validation and deviation detection.

Distinct passage-port and engaging-part shapes block wrong-way column insertion and support accurate liquid chromatography analysis.

Independent pumps and column valves let one LC column analyze while the other equilibrates, cutting LC-MS dead time and preserving peptide separation.

Low-conductivity alkaline cleaning removes bound residue from HIC media, cutting contamination while preserving column lifespan.

UHPLC fingerprinting with mixed reference markers enables objective quality evaluation of the complex Ju-Ling herbal compound.

A cooled pump head absorbs compression heat from the mobile phase, reducing flow pulsation and improving chromatography delivery accuracy.

Online gas-phase detection from melted fusible material improves contaminant accuracy, speeds sorting, and reduces batch waste.

Dual temperature sensing verifies heat-block contact in a liquid chromatograph, improving column temperature control without discarding heaters and sensors.

HPLC fingerprinting captures multi-component quality information in cognition-improving TCM compounds for more consistent identification and control.

A4F-MALLS separates and measures heterogeneous protein-ligand complexes to resolve size, stoichiometry, and conformation beyond DLS and SEC limits.

Measured mobile-phase pH is compared with the set value to warn on deviations, protect liquid chromatographs, and preserve peak resolution.

Crosslinked polymer beads in the trap column improve retention during supercritical fluid extraction, enabling faster multicomponent recovery and analysis.

Catalytic oxidation turns discharged hydrogen carrier gas into water, preventing explosion risk and removing external exhaust piping.

Real-time retention time feedback updates second delay time during fractionation, preventing collection errors when flow-path conditions change.

Camera-based reading of chromatographic test strips replaces subjective visual checks with quantitative analyte detection and metadata capture.

A chilled septum vial absorbs reactive chlorine gas into water, enabling more precise ion chromatography than cumbersome halogen tests.

CF3 with a monosaccharide carrier and MALS separates lipid nanoparticles by size and density for more reliable pharmaceutical characterization.

An ultra-short pathlength LC flow cell makes liquids semi-transparent to VUV light while preserving zero dead volume and laminar flow.

A switchable injector valve fills and flushes the metering device from the mobile phase path while limiting dead volume and pressure fluctuation.