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.