2023

Gas chromatography coupled to time-of-flight mass spectrometry using parallel electron and chemical ionization with permeation tube facilitated reagent ion control for material emission analysis

Ultrahigh-performance liquid chromatography-tandem mass spectrometry quantitation of o-cresol in hydrolyzed human urine to assess toluene exposure

2022

Identification of the age of white tea using proton transfer reaction time-of-flight mass spectrometry (PTR-TOF-MS) coupled with multivariate analysis

"Ternary association reactions of H(3) O(+) , NO(+) and O(2) (+*) with N(2) , O(2) , CO(2) and H(2) O; implications for selected ion flow tube mass spectrometry analyses of air and breath"

Study on the pathogenesis and prevention strategies of kidney stones based on GC-MS combined with metabolic pathway analysis

2021

Implementation of an enclosed ionization interface for the analysis of liquid sample streams with direct analysis in real time mass spectrometry

Determination of the delta(2) H values of high molecular weight lipids by high-temperature gas chromatography coupled to isotope ratio mass spectrometry

Advances in carbon isotope analysis of trapped methane and volatile hydrocarbons in crystalline rock cores

Sensitivity of secondary electrospray ionization mass spectrometry to a range of volatile organic compounds: Ligand switching ion chemistry and the influence of Zspray guiding electric fields

Quality assessment of Succus Bambusae oral liquids based on gas chromatography/mass spectrometry fingerprints and chemometrics

Real-time versus thermal desorption selected ion flow tube mass spectrometry for quantification of breath volatiles

Strategy for the multi-component characterization and quality evaluation of volatile organic components in Kaixin San by correlating the analysis by headspace gas chromatography/ion mobility spectrometry and headspace gas chromatography/mass spectrometry

2020

"Novel methods for the analysis of toxicants in bronchoalveolar lavage fluid samples from e-cigarette, or vaping, product use-associated lung injury cases: Selected petroleum distillates"

Impact of oral cleansing strategies on exhaled volatile organic compound levels

Volatile compounds released by Nalophan; implications for selected ion flow tube mass spectrometry and other chemical ionisation mass spectrometry analytical methods

Rapid and direct identification of the origin of white tea with proton transfer reaction time-of-flight mass spectrometry

2019

New application of direct analysis in real time high-resolution mass spectrometry for the untargeted analysis of fresh and aged secondary organic aerosols generated from monoterpenes

Floral volatiles identification and molecular differentiation of Osmanthus fragrans by neutral desorption extractive atmospheric pressure chemical ionization mass spectrometry

Study of the mainstream cigarette smoke aerosols by Fourier transform ion cyclotron resonance mass spectrometry coupled to laser/desorption and electrospray ionization - Additional insights on the heteroaromatic components

2018

A comparison of extraction systems for plant water stable isotope analysis

Hyphenation of proton transfer reaction mass spectrometry with thermal analysis for monitoring the thermal degradation of retinyl acetate

Discrimination of constructed air samples using multivariate analysis of full scan membrane introduction mass spectrometry (MIMS) data

Rapid and non-invasive multivariate approach for the quality control of raw milk from mountain areas based on proton transfer reaction mass spectrometry data

Quantification of volatile compounds released by roasted coffee by selected ion flow tube mass spectrometry

On-substrate derivatization for detection of highly volatile G-series chemical warfare agents via paper spray mass spectrometry

2017

High pressure mass spectrometry of volatile organic compounds with ambient air buffer gas

A cautionary note on the effects of laboratory air contaminants on ambient ionization mass spectrometry measurements

Direct human breath analysis by secondary nano-electrospray ionization ultrahigh-resolution mass spectrometry: Importance of high mass resolution and mass accuracy

Direct analysis of volatile organic compounds in foods by headspace extraction atmospheric pressure chemical ionisation mass spectrometry

A new negative and positive gas ion source for isotope ratio mass spectrometry

Evaluation of peroxidative stress of cancer cells in vitro by real-time quantification of volatile aldehydes in culture headspace

Temperature-dependent Henry's Law constants of 4-alkyl branched-chain fatty acids and 3-methylindole in an oil-air matrix and analysis of volatiles in lamb fat using selected ion flow tube mass spectrometry

Quantification and risk assessment of organic products resulting from non-thermal plasma removal of toluene in nitrogen

Simultaneous determination of volatile organic compounds with a wide range of polarities in urine by headspace solid-phase microextraction coupled to gas chromatography/mass spectrometry

2016

Improved removal of volatile organic compounds for laser-based spectroscopy of water isotopes

A novel high-temperature combustion interface for compound-specific stable isotope analysis of carbon and nitrogen via high-performance liquid chromatography/isotope ratio mass spectrometry

An online method for the analysis of volatile organic compounds in electronic cigarette aerosol based on proton transfer reaction mass spectrometry

2015

Headspace quantification of pure and aqueous solutions of binary mixtures of key volatile organic compounds in Swiss cheeses using selected ion flow tube mass spectrometry

A membrane introduction mass spectrometer utilizing ion-molecule reactions for the on-line speciation and quantitation of volatile organic molecules

Application of chemometrics to resolve overlapping mass spectral peak clusters between trichloroethylene and its deuterated internal standard

Optimization of a large-volume injection method for compound-specific isotope analysis of polycyclic aromatic compounds at trace concentrations

2014

Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry of small volatile molecules using a parylene-matrix chip

Hyphenation of capillary high-performance ion-exchange chromatography with mass spectrometry using sheath-flow electrospray ionization

"Fully automated, high-throughput instrumentation for measuring the delta13C value of methane and application of the instrumentation to rice paddy samples"

Rapid monitoring of volatile organic compounds: a comparison between gas chromatography/mass spectrometry and selected ion flow tube mass spectrometry

Product ion distributions for the reactions of NO(+) with some physiologically significant volatile organosulfur and organoselenium compounds obtained using a selective reagent ionization time-of-flight mass spectrometer

2013

Chemical analysis and chemical imaging of fragrances and volatile compounds by low-temperature plasma ionization mass spectrometry

Gaseous byproducts from high-temperature thermal conversion elemental analysis of nitrogen- and sulfur-bearing compounds with considerations for delta2H and delta18O analyses

Design of a low-temperature plasma (LTP) probe with adjustable output temperature and variable beam diameter for the direct detection of organic molecules

A high-efficiency real-time digital signal averager for time-of-flight mass spectrometry

Semi-quantitative analysis of contaminants in soils by direct analysis in real time (DART) mass spectrometry

"Online methodology for determining compound-specific hydrogen stable isotope ratios of trichloroethene and 1,2-cis-dichloroethene by continuous-flow isotope ratio mass spectrometry"

2012

Confined direct analysis in real time ion source and its applications in analysis of volatile organic compounds of Citrus limon (lemon) and Allium cepa (onion)

Gas chromatography/isotope ratio mass spectrometry of recalcitrant target compounds: performance of different combustion reactors and strategies for standardization

Determination of hazardous volatile organic compounds in the Hoffmann list by ion-molecule reaction mass spectrometry

Potential biomarkers for identification of mycobacterial cultures by proton transfer reaction mass spectrometry analysis

Proton-transfer reaction mass spectrometry (PTRMS) in combination with thermal desorption (TD) for sensitive off-line analysis of volatiles

Studies in search of selective detection of isomeric biogenic hexen-1-ols and hexanal by flowing afterglow tandem mass spectrometry using [H3O]+ and [NO]+ reagent ions

Vacuum electrospray of volatile liquids assisted by infrared laser irradiation

Perfluorooctanoic acid and ammonium perfluorooctanoate: volatile surfactants for proteome analysis?

2011

Extending the dynamic range of proton transfer reaction time-of-flight mass spectrometers by a novel dead time correction

"Characterization of a condensed-phase membrane introduction mass spectrometry (CP-MIMS) interface using a methanol acceptor phase coupled with electrospray ionization for the continuous on-line quantitation of polar, low-volatility analytes at trace levels in complex aqueous samples"

Air flow assisted ionization for remote sampling of ambient mass spectrometry and its application

Chemical ionization by [NO]+ and subsequent collision-induced dissociation for the selective on-line detection of monoterpenes and linalool

Determination of elemental composition of volatile organic compounds from Chinese rose oil by spectral accuracy and mass accuracy

Time-resolved selected ion flow tube mass spectrometric quantification of the volatile compounds generated by E. coli JM109 cultured in two different media

Properties of mouse vomeronasal receptor and assessment of its role in pheromone signalling

Volatile fingerprints of artemisinin-rich Artemisia annua cultivars by headspace solid-phase microextraction gas chromatography/ mass spectrometry

Quantification of methyl thiocyanate in the headspace of Pseudomonas aeruginosa cultures and in the breath of cystic fibrosis patients by selected ion flow tube mass spectrometry

Photoemission ambient pressure ionization (PAPI) with an ultraviolet light emitting diode and detection of organic compounds

2010

Development of a graphite low-temperature plasma source with dual-mode in-source fragmentation for ambient mass spectrometry

Characterization of the volatile organic compounds of Italian 'Fossa' cheese by solid-phase microextraction gas chromatography/mass spectrometry

Detection of alpha(2u)-globulin and its bound putative pheromones in the preputial gland of the Indian commensal rat (Rattus rattus) using mass spectrometry

Carbon isotope fractionation of benzene and toluene by progressive evaporation

Stable isotope analysis of dissolved organic carbon in soil solutions using a catalytic combustion total organic carbon analyzer-isotope ratio mass spectrometer with a cryofocusing interface

"The reactions of H(3)O(+), NO(+) and O(2) (+) with several flavourant esters studied using selected ion flow tube mass spectrometry"

Using mass spectrometry to detect buffalo salivary odorant-binding protein and its post-translational modifications

Proton transfer reaction time-of-flight mass spectrometry monitoring of the evolution of volatile compounds during lactic acid fermentation of milk

Stable isotope ((13)C/(12)C and (15)N/(14)N) composition of the woolly rhinoceros Coelodonta antiquitatis horn suggests seasonal changes in the diet

2009

Interference of chlorofluorocarbon (CFC)-containing inhalers with measurements of volatile compounds using selected ion flow tube mass spectrometry

Compatibility of electron ionization and soft ionization methods in gas chromatography/orthogonal time-of-flight mass spectrometry

Identification of organic hydroperoxides and hydroperoxy acids in secondary organic aerosol formed during the ozonolysis of different monoterpenes and sesquiterpenes by on-line analysis using atmospheric pressure chemical ionization ion trap mass spectrometry

Liquid chromatography/negative ion atmospheric pressure photoionization mass spectrometry: a highly sensitive method for the analysis of organic explosives

Rapid detection of drugs in biofluids using atmospheric pressure chemi/chemical ionization mass spectrometry

Volatile composition of Brassica oleracea L. var. costata DC leaves using solid-phase microextraction and gas chromatography/ion trap mass spectrometry

Temperature-dependent release of volatile organic compounds of eucalypts by direct analysis in real time (DART) mass spectrometry

2008

"Identification of 2,3-dimethyl-2,3-diisobutyl succinonitrile in laser printer emissions"

Geographical traceability of Italian white truffle (Tuber magnatum Pico) by the analysis of volatile organic compounds

Mass spectrometric characterization of 4-oxopentanoic acid and gas-phase ion fragmentation mechanisms studied using a triple quadrupole and time-of-flight analyzer hybrid system and density functional theory

An exploratory comparative study of volatile compounds in exhaled breath and emitted by skin using selected ion flow tube mass spectrometry

2007

A new membrane inlet interface of a vacuum ultraviolet lamp ionization miniature mass spectrometer for on-line rapid measurement of volatile organic compounds in air

An electrospray membrane probe for the analysis of volatile and semi-volatile organic compounds in water

Optimisation of derivatisation procedures for the determination of delta13C values of amino acids by gas chromatography/combustion/isotope ratio mass spectrometry

Open tube combustion method of organic samples for stable carbon isotope analysis

2006

Comprehensive two-dimensional gas chromatography/mass spectrometric analysis of pepper volatiles

"A novel discharge source of hydronium ions for proton transfer reaction ionization: design, characterization, and performance"

Characterization of a mini membrane inlet mass spectrometer for on-site detection of contaminants in both aqueous and liquid organic samples

A new approach to determine method detection limits for compound-specific isotope analysis of volatile organic compounds

A coaxially heated membrane introduction mass spectrometry interface for the rapid and sensitive on-line measurement of volatile and semi-volatile organic contaminants in air and water at parts-per-trillion levels

"A method for measuring enthalpy of volatilization of a compound, Delta(vol)H, from dilute aqueous solution"

Site-specific carbon isotope analysis of aromatic carboxylic acids by elemental analysis/pyrolysis/isotope ratio mass spectrometry

2005

Determination of microbial volatile organic compounds from Staphylococcus pasteuri against Tuber borchii using solid-phase microextraction and gas chromatography/ion trap mass spectrometry

Identification of volatile basic components in tobacco by headspace liquid-phase microextraction coupled to matrix-assisted laser desorption/ionization with Fourier transform mass spectrometry

Differentiation of isobaric compounds using chemical ionization reaction mass spectrometry

Solid-phase microextraction gas chromatography/mass spectrometry: a new method for species identification of truffles

2004

Non-linear and non-constant variance calibration curves in analysis of volatile organic compounds for testing of water by the purge-and-trap method coupled with gas chromatography/mass spectrometry

Headspace solid-phase microextraction with gas chromatography and mass spectrometry in the investigation of volatile organic compounds in an ectomycorrhizae synthesis system

Determination of specific volatile organic compounds synthesised during Tuber borchii fruit body development by solid-phase microextraction and gas chromatography/mass spectrometry

2003

Investigation by solid-phase microextraction and gas chromatography/mass spectrometry of trail pheromones in ants

Positive and negative gas-phase ion chemistry of chlorofluorocarbons in air at atmospheric pressure

Proton transfer reaction ion trap mass spectrometer

2002

"Influence of the eluent composition on the ionization efficiency for morphine of pneumatically assisted electrospray, atmospheric-pressure chemical ionization and sonic spray"

Liquid chromatography/tandem mass spectrometric bioanalysis using normal-phase columns with aqueous/organic mobile phases - a novel approach of eliminating evaporation and reconstitution steps in 96-well SPE

Direct analysis of volatile organic compounds in human breath using a miniaturized cylindrical ion trap mass spectrometer with a membrane inlet

In situ analysis of solvents on breath and blood: a selected ion flow tube mass spectrometric study

A method for the identification of the double-bond position of isomeric linear tetradecenols and related compounds based on mass spectra of dimethyl disulfide derivatives

2001

Structural elucidation of disinfection by-products in treated drinking water

2000

Analysis of residual solvents in pharmaceuticals with purge-and-membrane mass spectrometry

1999

Membrane inlet mass spectrometry of volatile organohalogen compounds in drinking water

Memory effects in combining isotope ratio monitoring with isotope dilution mass spectrometry

A laser extraction/combustion technique for in situ delta(13)C analysis of organic and inorganic materials

Solid-phase microextraction gas chromatography/mass spectrometric analysis of volatile organic compounds in water

A simple method for the extraction of volatile organic compounds contained in air samples from adsorbent materials by solid phase microextraction and their analysis by gas chromatography/mass spectrometry