Alternating raw and pre-filtered gas streams enables continuous monitoring while limiting sensor contamination from lyophilization off-gases.
Magnetic particles replace serial chromatography in affinity mass spectrometry, speeding hit-compound isolation and direct MS sampling.
Dual soft and hard ionization spectra enable stepwise isotope pattern matching to resolve proton-addition and hydrogen-desorption overlap.
A two-stage search combines standard and predicted mass spectra to expand compound coverage while preserving molecular identification precision.
Encoded molecular signatures turn complex mass analysis data into compact symbols, enabling faster compound identification with lower processing load.
Coupling hydrophobic interaction chromatography with native MS speeds antibody impurity and modification analysis during biopharmaceutical production.
Automated ambient ionization mapping captures spatially resolved tissue spectra without sample preparation, improving classification reliability.
Machine-level characteristics are captured during mass analysis to create a secure data file that verifies result integrity without retesting.
AC or RF Joule-heated aerosol sampling with mass and ion mobility spectrometry improves real-time tissue and bacteria classification speed and accuracy.
Lipid-based mass and ion mobility spectrometry identifies microbes and antimicrobial resistance directly from mixed or human samples with minimal preparation.
A frangible snap-off housing keeps the skin-print substrate sealed after sampling, then creates controlled access for removal without hidden tampering.
Varying ion channel diameter, carrier gas speed, and axial electric field improves ion confinement and separation resolution in mobility spectrometry.
A molecule collector with photodiode heating enables fast breath-based THC quantitation while distinguishing THC from CBD for on-site impairment checks.
A gas beam jet and focusing RF field speed ions through DMS fringing fields, improving transmission and reducing mobility bias.
Using an acidic high-energy-transfer matrix, Jettison-MS detects canonical and modified nucleobases directly while avoiding digestion delays and adduct bias.
A two-stage grid voltage sweep captures complete ion energy distribution data in plasma processing while reducing battery power demand.
Selective lactonization, ring opening, and repeat derivatization improve mass spectrometry differentiation of α2,3 and α2,6 sialic acid linkages.
Two-stage absorption bottles and ICP-MS enable precise, repeatable aluminum quantification in heat-not-burn smoke without a specialized smoking machine.
A porous adsorbent capillary combines extraction, elution, and ionization to cut MS analysis time while reducing matrix effects.
Prior fragment knowledge guides targeted isotope clustering in mass spectra, cutting processing load while improving match accuracy.
Combining separation peaks with primary and secondary mass spectra improves non-targeted chemical identification, including unknown entities.
A vertically lowered absorbent plate removes droplet liquid from microorganism sediments while preserving biomaterial for accurate spectrometric analysis.
A spring-biased movable sheath covers the DESI capillary tip when the nozzle is removed, reducing damage risk and preserving spray alignment.
Two Wien filters with an intermediate focus narrow the mass window while preserving ion transmission and isotope ratio precision.
Clocking features keep SPME blades radially aligned during transfer and MS analysis, reducing cross-talk and supporting automated workflows.