Samples Introduction/Extraction TRIZ Cases

A dual polarity spark ion source generates positive and negative ions using a high voltage fast switching circuit.

A mass spectrometer with a reaction gas introduction device and quantitation mechanism reduces ion trap pollution while enhancing detection strength.

A tilted RF multipole ion guide transports ions through vacuum stages while blocking background particles from reaching the detector.

A gas sampling device uses a calibrated expansion nozzle to lower pressure and reduce the dew point of sampled gases.

Graphitized carbon black membrane eliminates matrix ion interference during pesticide analysis by replacing organic acid matrices with adsorbent particles.

Eccentric angular alignment between aperture electrodes separates noise components from ions, maintaining high sensitivity without orthogonal ion loss.

A mass spectrometer system calculates ion valence and mass number to distinguish species during tandem analysis.

Pneumatic cleaning removes bacterial cell fragments from the mass spectrometer ionization chamber floor without disassembly.

Nanoscale protrusions on a conductive substrate enable field emission ionization at 3 volts, preventing analyte fragmentation caused by high voltage sources.

Automated cosine similarity testing resolves analysis time and operator skill constraints in edible oil authentication.

A gas permeation measurement apparatus uses a volume-adjustable device to maintain constant pressure during testing.

Adding water-containing gas to the sample introduction tube lowers plasma temperature, which inhibits interfering molecule ion generation during analysis.

Periodic ion transfer via a valve reduces average fluid flow into the mass spectrometer, enabling smaller pumps for portable systems.

Replacing inert gases with organic compounds increases separation selectivity by altering apparent interaction cross sections of analyte ions.

Fan-shaped screw holes allow fine rotational adjustment of conductive wire parallelism, reducing charge-up risks and ensuring uniform diffusion gas flow.

Pressure-driven thermal ionization eliminates complex electrospray components, enabling rapid multiplexed mass spectrometry analysis.

A sample feeding device uses a valve assembly to isolate the drift tube from external contamination while maintaining high sensitivity.

Enclosed vapor flow channel constrains analyte vapor to resolve dispersion issues, enhancing ion transmission into vacuum.

Sequential windowed acquisition fragments ions across multiple mass windows to produce product ion spectra for each sample location.

Nanoscale through-holes in a thin substrate raise samples via capillary action, preserving positional information lost during standard ionization.

Saturated 2,5-dihydroxybenzoic acid dispensed via inkjet overcomes poor crystal uniformity and low ionization sensitivity in MALDI mass spectrometry.

Continuous laser focal point motion eliminates deceleration cycles, reducing volatile matrix sublimation and crosstalk between analysis periods.

A two-step desorption ionization device separates heating and soft ionization into distinct pressure regions to enhance analyte detection.

Decoupling desorption from ionization via a primary beam and radiofrequency source achieves nano-meter resolution without matrix interference.

Vortex generating structures on the target surface enhance ionization efficiency in impactor spray ion sources.

Intermittent purge control stabilizes Ar gas supply pressure by accumulating and releasing gas through intermediate valves.

A zero volt mass spectrometry probe uses a porous material to transport analytes via capillary action for ion generation.

Shear force feedback regulates probe-sample distance during analyte extraction, enabling three-dimensional topographic imaging of uneven biological samples.

A co-planar electrode sample plate applies an electric field to liquid samples before laser desorption.

A pressure vessel load lock desorbs analytes from an SPME probe under partial vacuum to transfer them directly into a mass spectrometer.

An electroformed nickel ion inlet assembly reduces mass spectrometer downtime by eliminating sampling orifice imperfections that cause performance variability.

Segmented pin arrays dissolve samples sequentially via stepper mechanisms, resolving spatial resolution limits in chemical composition mapping.

Reconstructs overlapping precursor windows to recover missing product ions in tandem mass spectrometry data.

Liquid-mediated laser ablation desorbs surface analytes into a solvent microjunction, resolving ionization efficiency limits in micron-level chemical analysis.

A sealed Direct Sample Analysis ion source enables precise multi-sample positioning and automated ionization at atmospheric pressure.

Carbon nanotube anchors guide matrix crystallization to resolve supersaturation and improve signal-to-noise ratios in mass spectrometry.

Quasi-periodic silicon microcolumn arrays coupled with polarized laser radiation stabilize ion yield fluctuations inherent in conventional mass spectrometry.

A sample support body applies a hydrophilic protective film to guide liquid samples into through-holes, retaining components for higher signal intensity.

Rectangular laser beam tiling eliminates ion intensity non-uniformity and substance omission in imaging mass spectrometry.

A gas jet formed by adiabatic expansion pushes ions over an electric field barrier to sort them based on their mobilities.

An atmospheric pressure interface directs ions into a spectrometer inlet using a static electric field.

Mechanical compression of solid precursors eliminates solvent crystallization variability, ensuring reproducible analysis.

Cyclonic condensation collects particles while a mass spectrometer identifies components, resolving throughput and error rate bottlenecks.

Solid phase carriers immobilize enriched isotope reagents, accelerating equilibration and enabling automated high-throughput analysis of toxic materials.

Cryogenic cooling suppresses fragmentation in photoionization, yielding pure molecular ion spectra for complex mixtures.

Heating the inlet above the solvent boiling point triggers rapid evaporation that ejects residue without interrupting instrument operation.

A helical resistive coil forms constant electric fields and provides Joule heating within a non-conductive drift tube structure.

Segmented sample chamber design enables stable aerosol transmission for laser ablation mass spectrometry.