Component Separation TRIZ Cases

LC-MS/MS with liquid chromatography and an internal standard improves PLP plasma assay precision, sensitivity, and throughput for clinical testing.

Tandem mass spectrometry separates and quantifies 25-hydroxyvitamin D2 and D3 in one assay, improving vitamin D status assessment.

A conductive coating on the electrospray emitter tip suppresses corona discharge in negative ion mode, enabling higher ESI potential and steadier signals.

Matrix ions tracked across retention time correct mass drift in complex samples, preserving mass accuracy without added lock mass ions.

Online chromatography coupled with ESI-MS separates proteins from similar impurities for accurate quantification using much smaller samples.

Sensor thresholds and ML-based timing automate maintenance scheduling and hardware preparation for chromatograph-equipped mass spectrometers.

ML-based maintenance timing and pre-adjusted hardware help chromatograph-equipped mass spectrometers avoid delayed service and degradation.

During idle periods, the instrument runs automated ion-spectrum checks to detect mass spectrometer or chromatograph degradation earlier.

Automated precursor ion exclusion improves unbiased host cell protein detection and quantitation without enrichment in therapeutic protein LC-MS/MS.

An asymmetric microbend and frit steer charged droplets into fast sheath gas, preserving ESI-MS sensitivity from 1 to 100 μL/min.

A pre-assembled electrospray emitter with integrated fitting reduces dead volume, avoids leak-prone setup, and swaps out easily when clogged.

A trace chemical marker is enriched in the liquid chromatograph, enabling automated mass spectrometry-based reagent verification with less manual error.

LDI-MS with a tungsten ditelluride nanoflake layer enables rapid, high-throughput vitamin D blood analysis without matrix interference.

Online solid phase extraction, HPLC, and tandem mass spectrometry improve vitamin B2 quantification accuracy and throughput in biological samples.

Simultaneous tandem mass spectrometry quantifies multiple CAH steroid analytes in one injection, improving diagnostic accuracy and monitoring.

Multiple capillaries and shared auxiliary electrodes strengthen the ESI field to keep ionization and collection efficient at higher LC flow rates.

Sequentially varying collision energy during precursor analysis identifies the best setting for later targeted MS-MS with higher sensitivity.

LC/MS tracks cholesteryl ester and peroxide ion ratios to quantify sample oxidation and improve lipidomics sample quality assessment.

Alternating axial fields trap ions by differential mobility, adding a separation dimension that reduces ion loss and spectral crowding.

Placing the chromatography column 60-150 mm from the ion source cuts post-column volume, reducing band broadening and improving LC-MS signal quality.

Extrapolating mass trace peaks to zero signal corrects ion coalescence deflection and improves m/z accuracy in mass spectrometry.

Adaptive peak shifting and group exchange improve spectral fit values, helping identify unknown substances despite fragment mass variations.

A retractable sleeve and conductive sheath protect a fragile LC electrospray emitter while reducing dead volume, leaks, and sensitivity loss.

A metal tracer and drift tunnel separate droplet drift from post-application AI volatility with faster, lower-complexity testing.

Feedback control holds ESI tip voltage constant as fluid resistance changes, improving analyte peak characterization and LC-MS correlation.

Two detectors confirm an uninterrupted liquid segment in a remote sampling line before analysis, blocking bubbles and gaps that distort results.

Independent DC power circuits split energy across gas chromatograph modules to limit spark risk and meet intrinsic-safety needs.

Combining isotope peak ratios and signal-to-noise scoring helps screen mass spectrometry data faster and improve compound library quality.

Real-time gas species separation in a degas chamber reveals battery cell defects earlier, cutting wasted cycle time and materials.

Power-matched reaction chamber heating offsets cooling from radical supply, preserving precursor ion energy and desired product ion generation.

Split 3.3-3.6 µm IR bands and dual detectors improve breath substance identification while avoiding complex multi-filter designs.

An inert coated capillary with reversible crimping controls gas flow online while minimizing water adsorption and isotope scrambling.

Capturing visible and sub-visible biologic particles on gold-coated membranes enables precise protein identification and quantification for formulation safety.

Combining gas chromatography, VUV spectra, and mass or ion mobility data helps resolve overlapping peaks and identify isomers in complex mixtures.

Automated precursor ion exclusion removes dominant drug peptides in direct LC-MS/MS, enabling sensitive low-abundance HCP quantitation.

A solvent-based probe enables real-time mass spectrometry of tissue sites, distinguishing cancerous from normal tissue without freezing artifacts.

Heated gas is applied downstream of the ESI probe tip to improve droplet desolvation without boiling the sample or destabilizing nebulization.

A feedback loop holds constant voltage at the ESI tip and images analyte peaks to better align separation data with mass spectrometry.

Self-generated RI standards from sample analytes cut recalibration time and improve GC-MS compound identification confidence.

DDA-built spectral libraries deconvolute overlapping reporter ions in DIA, enabling accurate multiplexed biomolecule quantitation with fewer missing values.

Electrophoretic fields in a dual-electrode MS probe displace salt ions from the spray region, reducing adducts and improving signal quality.

A conductive swab tip enables direct tissue mass spectrometry, avoiding complex sample prep while preserving source correlation for diagnosis.

Partial-waveform machine learning separates overlap peaks from multimodal peaks in chromatograms, reducing false peak boundaries at low concentrations.

Volatile compounds are extracted from geologic samples across vacuum levels, trapping condensables and preserving non-condensable gases for hydrocarbon detection.

Combining HILIC or IP-RPLC with tandem MS improves oligonucleotide impurity and modification detection for precise purity assessment.

A flow-insulated SPME desorption chamber transfers analyte as an undiluted liquid plug, reducing chronogram broadening and dilution.

Multiple filaments and dual ionization regions maintain mass spectrometer sensitivity from low to high process pressures with less dead time.

Iterative filtering and local minimum analysis separate nanoparticle signals from background overlap for accurate ultra-low concentration detection.

Mass spectrometry detects immunoglobulins in crude samples, reducing analysis time and complexity.

Segmented injection prevents peak broadening from strong solvents while maintaining sensitivity.

A chromatographic test device uses a blade to incise a container for controlled liquid leakage.

Pre-cooling the mobile phase upstream of the separation column rapidly reduces column temperature, solving slow cooling times in existing devices.

A biosensor method uses a control analyte to determine saturation response for accurate interaction parameter fitting.

UV digester oxidizes organic carbon and nitrogen to enable synchronous detection of total organic carbon and dissolved organic nitrogen concentrations.

A relative calibration curve database enables substance quantitation without adding internal standards to each sample.

Introducing an auxiliary gas into the inlet controls primary gas flow and enables desolvation without bulky high-powered heaters.

Two-dimensional liquid chromatography resolves lipid class distinction versus separation precision contradictions using HILIC and reversed-phase columns.

Solid support peptide ligands enrich low-abundance host cell proteins to resolve detection limits caused by high dynamic concentration ranges.

A portable odor analysis device concentrates ambient samples for immediate on-site identification.

Post-column infused internal standards match analyte responses to correct matrix effects, enabling accurate quantitation without stable isotope analogues.

A synthetic chemical standard tags oil-based drilling fluid to enable gas chromatography-mass spectroscopy differentiation of hydrocarbon signals.

A segmented ion exchange suppressor maintains consistent regenerant flow rates to resolve baseline instability caused by flow fluctuations.

Segmenting power supplies allows unit controllers to remain active during standby, reducing energy loss while maintaining immediate operational readiness.

Mass spectrometry quantifies glycation products in milk samples to differentiate organic from conventional dairy production.

An insulating covering creates a thermal barrier around a corrugated pipe, reducing sample temperature increase and maintaining separation accuracy.

Multiple hollow fibers increase membrane surface area, resolving dilution issues during real-time chromatographic analysis of complex dosage forms.

A valveless sample injection loop maintains constant volume flow in the analysis branch of a liquid chromatography system.

Replacing complex imaging with blood metabolite profiling achieves high detection accuracy while lowering clinical implementation costs.

A unitary distribution plate integrates fluid pathways and a configurable diaphragm to simplify gas chromatograph plumbing.

Dual vacuum vessels generate periodic pressure curves, replacing large pumps to reduce device cost and improve zeta-potential accuracy.

Covalent mass tags derivatize sorbed compounds on solid analytical surfaces, resolving low sensitivity in volatile organic compound detection.

Ion exchange chromatography of bisulfite-treated DNA PCR products enables rapid renal cell carcinoma prognosis determination.

Cathepsin L and D cleave antibodies into fragments suitable for LC-MS/MS, resolving the trade-off between software complexity and fragmentation completeness.

A signal processing system converts chromatographic time-series composite signals into count distributions using a Dirichlet process algorithm.

Integrating a thermoelectric module into the actuator resolves thermal stability issues by actively cooling the pump head to preserve fluid density.

A web server converts analysis data into HTML format and sends email links to user terminals.

Identifying 11(Z), 14(Z)-eicosadienoic acid in stool samples enables rapid, non-invasive screening for early-stage Alzheimer's disease.

A truncated cone tornado generator creates a vortex to amplify trace substance collection.

An inverted wick draws cooling liquid via capillary action to maintain constant temperature while minimizing cryogenic volume for accurate sorption analysis.

Quantify misfolded TNFR2:Fc variants to separate impurities, resolving the trade-off between manufacturing precision and production efficiency.

A fluid path diverter valve reverses flow through a reference capillary to eliminate breakthrough peaks and accelerate analysis cycles.

Quadratic regression of blood EtG to EtS concentration ratios calculates drinking time beyond the eight hour alcohol detection window.

A sulfur chemiluminescence detector display control device shows sequential operation images to guide manual start-up and stop procedures.

Automated air sampling system uses thermal desorption and pre-concentration to monitor organic compounds.

Flat peripheral edges on the window member enable surface contact fixation, preventing liquid leakage from unstable line contacts.