Component Separation TRIZ Cases

An electrochemical sensor uses immobilized organic diols on a conductive substrate to detect and quantify analyte species in fluids.

Computational peptide screening resolves detection efficiency trade-offs by enabling broad influenza variant coverage through mass spectrometry fingerprinting.

Periodic eluent displacement across series columns resolves the productivity versus simplicity trade-off in chromatography.

A machine learning system predicts peptide spectral profiles from amino acid sequences to enhance chromatographic peak differentiation.

Hydrolysis enzyme bound to magnetic beads purifies liquid samples via automated separation.

An ion adsorption device integrates an accumulated flow rate meter to quantify ultra-trace metal ions in ultrapure water samples.

A flow-mode measurement apparatus determines electrophoretic mobility by subtracting fluid flow velocity from total particle movement.

A rotary passage-switching valve rotor uses a contact angle greater than 120 degrees to disperse stress across the sliding surface.

A preparative liquid chromatograph controller segments eluate collection based on multi-detector peak detection patterns.

Processor selects cleaning conditions to drive pumps, reducing carryover from varying sample properties.

Selective solvent evaporation from a liquid feed in a tubular vessel resolves chromatographic solvent incompatibility without diluting the sample.

Strong alkali hydrolysis releases heterocyclic amines from urine, enabling accurate non-invasive colorectal cancer risk assessment.

A hollow needle tip combines a beveled surface section with an orthogonal flat section to pierce container lids.

Microchannel gas chromatographs and mass spectrometers detect airborne biochemicals in vehicle cabins.

A disposable chromatography device uses a porous stem to absorb samples via capillary action for direct injection.

Metal seal rings under biasing force prevent leakage while cooling liquid removes heat, enabling high-speed rotation and high-pressure sample feeding.

A multi-stage weighing scale integrates individual sensors to monitor mobile phase bottles of varying sizes.

A heated rotary valve integrates internal thermal elements to maintain precise sample temperatures during gas chromatography injection cycles.

Vacuum liquid extraction systems remove environmental contaminants from samples through segmented assay columns, enabling precise detection of toxic compounds.

A fluid property sensor analyzes liquid composition using electrochemical impedance spectroscopy to generate detailed electrical fingerprints.

A bi-directional syringe pump drives liquid through a shear valve assembly to segment precise sample volumes.

Retractable fitting minimizes dead volume in high pressure liquid chromatography systems while maintaining seal integrity under extreme pressures.

Logarithmic models derived from thin-layer chromatography predict liquid chromatography results across wide solvent mixing ratio ranges.

A spectrum data processing device generates original and background spectra to calculate difference spectra for compound identification.

Diaphragm seals eliminate water contamination risks in liquefied natural gas transfer while maintaining pressure isolation.

Dual pump systems segment mobile phases to dilute samples, resolving smearing and resolution loss during large volume injections.

Internal resistance channels in a laminated substrate allow one assembly to serve multiple detector types, eliminating external pipes that contaminate analysis.

Liquid chromatography separates analytes while tandem mass spectrometry detects ions, resolving degradation issues to ensure reliable clinical quantification.

Disrupting microbial cells on nutrient media transfers proteins for mass spectrometry, reducing identification time from 24 hours to under eight.

Liquid chromatography with evaporative light scattering detection determines relative response factors using molar and mass peak areas.

Closed-loop control adjusts pumping rates via mass flow sensors to prevent premature failure and ensure consistent flow accuracy under variable restrictions.

A gas separation device uses a reversible flow path to trap and release bubbles within a diffuser portion.

Titanium microfluidic structures resolve polymer pressure limits using electrical discharge machining and diffusion bonding.

A fluidic valve couples sample and mobile phase drives upstream of a separation unit to enable precise injection.

A modular vaporization injector separates the sample introduction structure from the fixed pneumatic block to enable rapid component cleaning.

A microfluidic chip uses a segmented enrichment column to concentrate trace acidic glycans from complex biological mixtures.

A flow rate measurement apparatus tracks a detectable substance through fluidic detectors to compute volumetric flow.

Neutrally charged 1-alkylpyridinesulfonic acid compounds serve as retention index standards for liquid chromatography-mass spectrometry systems.

A passive flow splitter and shuttle valve direct expanded mobile phase aliquots to a low pressure detector.

Rod-shaped cartridge heater wound with a flow path stabilizes mobile phase temperature in supercritical fluid apparatuses.

A pressure-driven injection mechanism delivers discrete sample plugs into microfluidic separation channels without electrokinetic bias.

Reducing HCFC-123 impurity below 120 ppm prevents catalyst deactivation, maintaining high reaction rates during hexafluoroisopropanol production.

A stochastic modeling approach simulates individual particle paths through a chromatography column to estimate retention times based on evolving parameters.

Optimized peptide selection enables accurate Src protein quantitation in formalin-fixed tissue samples despite detection instability.

A vacuum chamber surrounding a chromatography column provides thermal insulation to stabilize internal temperatures.

A photoionization detector system calibrates using ambient air to establish a baseline electric current level without specialized gases.

A syringe housing integrates two membranes to form a continuous channel that maintains constant diameter and reduces piston displacement force.

A capillary electrophoresis apparatus monitors electrical current to maintain separation conditions.

A preparative separation system accelerates solvent vaporization using a dense second solvent to displace water from the trap column.

Hydrolysis converts polyimide film into soluble monomers for direct HPLC analysis, bypassing complex derivatization steps.