A chromatographic column isolates species of interest for mass spectrometer analysis to determine geologic age.
Laser-induced rapid heating desorbs thermally labile molecules above 500 Da intact, avoiding decomposition caused by slow conventional thermal methods.
A crystal membrane aligns its channel axis with the ion beam direction to enhance transmittance.
Indexing system filters candidate parent ion descriptions using query peak pairs to accelerate molecular identification.
Parallel storage operations in the blanking controller reduce standby time and improve throughput when handling large drawing data sets.
Focused ion beam drilling frees TEM samples for electrostatic probe transport, eliminating substrate destruction and welding contamination.
A data processing device calculates MSn mass spectra similarity using intensity ratios and position differences for peak matching.
Parent-daughter ion transition monitoring enables absolute protein isoform quantitation using signature peptide standards.
An external ion source operates below 0.1 Torr to prevent contamination and maintain spectral accuracy.
An electrokinetic trap applies electrophoretic or electroosmotic forces to sub-micron objects in fluid solution.
An apparatus uses a magnetic field orthogonal to fluid flow to separate ions, avoiding membrane fouling and reducing energy consumption.
Binary pulse shaping reduces computational complexity while maintaining precise control over ultrashort pulses for accurate chemical identification.
Irradiate light through plasma etching electrodes to capture two-dimensional images of gas introduction holes.
A windowless ionization device uses plasma deflection to guide vacuum ultraviolet light directly into an ionization region.
A mass spectrometer triggers confirmatory scanning after total ion current peaks.
A mass spectrometer extracts parent molecule masses using logarithmic spectrum transformation and correlation functions.
Segmented electrodes along the capillary differentiate normal filling from pass-around and seepage effects, ensuring accurate sample detection.
An additional electrode enables ion packet compression and shielding, improving resolution without increasing device length.
Tapered quadrupole electrodes spatially compress ions to increase storage volume and reduce space charge effects in linear ion traps.
A multi-resolution mass spectrometer applies discrete scan rates across specific m/z regions to optimize peak resolution.
Extracting 2-hydroxyglutarate from patient samples overcomes inaccurate blood gas diagnostics to precisely distinguish chronic from acute hypoxia.
A mass spectrometric assay uses compartment-specific peptides to quantify biological sample components.
Nanoporous substrates selectively retain low molecular weight biomarkers via size-based filtration.
A chromatograph mass spectrometer display controller shows compound tables and total ion chromatograms on one screen for intuitive parameter selection.
Biostatistical analysis of low mass ions via MALDI-TOF mass spectrometry enables rapid colorectal cancer detection.