P. Španěl

发表

Selected ion flow tube studies of the reactions of H3O+, NO+ and O2+ with the anaesthetic gases halothane, isoflurane and sevoflurane.

Tianshu Wang, David Smith, P. Španěl, 2002, Rapid communications in mass spectrometry : RCM.

The challenge of breath analysis for clinical diagnosis and therapeutic monitoring.

P. Španěl, David Smith, David R. Smith, 2007, The Analyst.

Combining near-subject absolute and relative measures of longitudinal hydration in hemodialysis.

David Smith, P. Španěl, S. Davies, 2009, Clinical journal of the American Society of Nephrology : CJASN.

SIFT-MS and FA-MS methods for ambient gas phase analysis: developments and applications in the UK.

P. Španěl, David Smith, David R. Smith, 2015, The Analyst.

Breath analysis of ammonia, volatile organic compounds and deuterated water vapor in chronic kidney disease and during dialysis.

David Smith, P. Španěl, S. Davies, 2014, Bioanalysis.

Account: On the Features, Successes and Challenges of Selected Ion Flow Tube Mass Spectrometry

P. Španěl, David Smith, David R. Smith, 2013, European journal of mass spectrometry.

Injection of deuterated water into the pulmonary/alveolar circulation; measurement of HDO in exhaled breath and implications to breath analysis

David Smith, P. Španěl, S. Davies, 2012, Journal of breath research.

Ambient analysis of trace compounds in gaseous media by SIFT-MS.

P. Španěl, David Smith, David R. Smith, 2011, The Analyst.

Determination of the Deuterium Abundances in Water from 156 to 10,000 ppm by SIFT-MS

V. Shestivska, David Smith, P. Španěl, 2011, Journal of the American Society for Mass Spectrometry.

Comparative measurements of total body water in healthy volunteers by online breath deuterium measurement and other near-subject methods.

David Smith, P. Španěl, S. Davies, 2002, The American journal of clinical nutrition.

Longitudinal measurements of total body water and body composition in healthy volunteers by online breath deuterium measurement and other near-subject methods.

David Smith, P. Španěl, S. Davies, 2004, International journal of body composition research.

A non-invasive, on-line deuterium dilution technique for the measurement of total body water in haemodialysis patients.

David Smith, P. Španěl, S. Davies, 2008, Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association.

SIFT studies of the reactions of H3O+, NO+ and O2+ with a series of alcohols

P. Španěl, David Smith, David R. Smith, 1997 .

Quantification of acetonitrile in exhaled breath and urinary headspace using selected ion flow tube mass spectrometry

David Smith, Patrik Španěl, David Smith, 2003 .

Breath analysis: the approach towards clinical applications.

David Smith, Anton Amann, P. Španěl, 2007, Mini reviews in medicinal chemistry.

Compounds enhanced in a mass spectrometric profile of smokers' exhaled breath versus non-smokers as determined in a pilot study using PTR-MS

Konrad Schwarz, David Smith, Ievgeniia Kushch, 2008, Journal of breath research.

Can volatile compounds in exhaled breath be used to monitor control in diabetes mellitus?

David Smith, A. Fryer, G. Ferns, 2011, Journal of breath research.

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

M. Evans, David Smith, P. Španěl, 2008, Rapid communications in mass spectrometry : RCM.

Quantification of hydrogen cyanide and 2-aminoacetophenone in the headspace of Pseudomonas aeruginos

David Smith, P. Španěl, J. Belcher, 2012 .

Detection of volatile compounds emitted by Pseudomonas aeruginosa using selected ion flow tube mass spectrometry

David Smith, Will Carroll, Warren Lenney, 2005, Pediatric pulmonology.

Selected ion flow tube, SIFT, studies of the reactions of H3O+, NO+ and O2+ with compounds released by Pseudomonas and related bacteria

David Smith, Patrik Španěl, Tianshu Wang, 2004 .

Effects of dietary nutrients on volatile breath metabolites

G. Ferns, P. Španěl, David Smith, 2013, Journal of Nutritional Science.

On-line analysis of diesel engine exhaust gases by selected ion flow tube mass spectrometry.

J. Cocker, P. Španěl, David Smith, 2004, Rapid communications in mass spectrometry : RCM.

Analysis of petrol and diesel vapour and vehicle engine exhaust gases using selected ion flow tube mass spectrometry.

P. Španěl, David Smith, P. Cheng, 2002, Rapid communications in mass spectrometry : RCM.

Acetone, butanone, pentanone, hexanone and heptanone in the headspace of aqueous solution and urine studied by selected ion flow tube mass spectrometry.

Tianshu Wang, David Smith, P. Španěl, 2009, Rapid communications in mass spectrometry : RCM.

The quantification of carbon dioxide in humid air and exhaled breath by selected ion flow tube mass spectrometry.

P. Španěl, David Smith, A. Pysanenko, 2009, Rapid communications in mass spectrometry : RCM.

Is Hydrogen Cyanide a Marker of Burkholderia cepacia Complex?

David Smith, P. Španěl, W. Lenney, 2013, Journal of Clinical Microbiology.

Hydrogen cyanide concentrations in the breath of adult cystic fibrosis patients with and without Pseudomonas aeruginosa infection

David Smith, P. Španěl, W. Lenney, 2013, Journal of breath research.

Quantification by SIFT-MS of volatile compounds emitted by in vitro cultures of S. aureus, S. pneumoniae and H. influenzae isolated from patients with respiratory diseases

David Smith, P. Španěl, Thomas W. E. Chippendale, 2014 .

Quantification by SIFT-MS of volatile compounds emitted by Aspergillus fumigatus cultures and in co-culture with Pseudomonas aeruginosa, Staphylococcus aureus and Streptococcus pneumoniae

David Smith, P. Španěl, Thomas W. E. Chippendale, 2014 .

Coordinated FA-MS and SIFT-MS analyses of breath following ingestion of D2O and ethanol: total body water, dispersal kinetics and ethanol metabolism

Tianshu Wang, David Smith, P. Španěl, 2005, Physiological measurement.

Reactions of H3O+ and OH− ions with some organic molecules; applications to trace gas analysis in air

P. Španěl, David Smith, M. Pavlík, 1995 .

A selected ion flow tube (SIFT), study of the reactions of H3O+, NO+ and O2+ ions with a series of alkenes; in support of SIFT-MS

Tianshu Wang, David Smith, P. Španěl, 2002 .

A selected ion flow tube, SIFT, study of the reactions of H3O+, NO+ and O2+ ions with a series of diols

Tianshu Wang, David Smith, P. Španěl, 2002 .

Electron attachment to and in the gas phase

P. Španěl, David Smith, David R. Smith, 1996 .

Formation and decay of C−60 following free electron capture by C60

T. Märk, Š. Matejčík, E. Illenberger, 1995 .

A study of electron attachment to C70 using the FALP technique

P. Španěl, David Smith, David R. Smith, 1994 .

A selected ion flow tube mass spectrometry study of ammonia in mouth- and nose-exhaled breath and in the oral cavity.

Tianshu Wang, P. Španěl, David Smith, 2008, Rapid communications in mass spectrometry : RCM.

What is the real utility of breath ammonia concentration measurements in medicine and physiology?

P. Španěl, David Smith, David R. Smith, 2018, Journal of breath research.

Analysis of breath, exhaled via the mouth and nose, and the air in the oral cavity

Tianshu Wang, David Smith, P. Španěl, 2008, Journal of breath research.

A study of the composition of the products of laser-induced breakdown of hexogen, octogen, pentrite and trinitrotoluene using selected ion flow tube mass spectrometry and UV-Vis spectrometry.

P. Španěl, M. Kyncl, S. Civiš, 2010, The Analyst.

H3O+, NO+ and O2+ reactions with saturated and unsaturated monoketones and diones; focus on hydration of product ions

David Smith, P. Španěl, K. Dryahina, 2019, International Journal of Mass Spectrometry.

Kinetics of ethanol decay in mouth- and nose-exhaled breath measured on-line by selected ion flow tube mass spectrometry following varying doses of alcohol.

P. Španěl, David Smith, A. Pysanenko, 2010, Rapid communications in mass spectrometry : RCM.

Selected ion flow tube mass spectrometry of exhaled breath condensate headspace.

P. Španěl, K. Dryahina, P. Čáp, 2008, Rapid communications in mass spectrometry : RCM.

Quantification of octanol–water partition coefficients of several aldehydes in a bubble column using selected ion flow tube mass spectrometry

H. Langenhove, P. Heynderickx, P. Španěl, 2014 .

Acetone, ammonia and hydrogen cyanide in exhaled breath of several volunteers aged 4–83 years

David Smith, P. Španěl, K. Dryahina, 2007, Journal of breath research.

Studies of interstellar ion reactions using the SIFT technique: isotope fractionation

P. Španěl, David Smith, David R. Smith, 1992 .

Soft Chemical Ionization Mass Spectrometric Analyses of Hazardous Gases and Decomposition Products of Explosives in Air

P. Španěl, K. Dryahina, 2021, Terahertz (THz), Mid Infrared (MIR) and Near Infrared (NIR) Technologies for Protection of Critical Infrastructures Against Explosives and CBRN.

Sensitivity of SESI-MS to a range of volatile organic compounds: ligand switching ion chemistry and the influence of Zspray™ guiding E-fields.

David Smith, P. Španěl, M. Polášek, 2021, Rapid communications in mass spectrometry : RCM.

Exhaled breath concentrations of acetic acid vapour in gastro-esophageal reflux disease

V. Shestivska, P. Španěl, K. Dryahina, 2014, Journal of breath research.

Analysis of the isobaric compounds propanol, acetic acid and methyl formate in humid air and breath by selected ion flow tube mass spectrometry, SIFT-MS

P. Španěl, David Smith, A. Pysanenko, 2009 .

The increase of breath ammonia induced by niacin ingestion quantified by selected ion flow tube mass spectrometry

Tianshu Wang, P. Španěl, David Smith, 2006, Physiological measurement.

Analysis of breath using SIFT-MS: A comparison of the breath composition of healthy volunteers and s

M. Singer, David Smith, P. Španěl, 2005 .

Isoprene levels in the exhaled breath of 200 healthy pupils within the age range 7–18 years studied using SIFT-MS

David Smith, P. Španěl, S. Davies, 2010, Journal of breath research.

Rapid detection of lipid oxidation in beef muscle packed under modified atmosphere by measuring volatile organic compounds using SIFT-MS.

M. Flores, P. Španěl, A. Olivares, 2012, Food chemistry.

APPLICATIONS OF SELECTED ION FLOW TUBE MASS SPECTROMETRY, SIFT-MS, IN ADDICTION RESEARCH

Tianshu Wang, David Smith, P. Španěl, 2005 .

Advantages of breath testing for the early diagnosis of lung cancer

J. Sulé-Suso, P. Španěl, David Smith, 2010, Expert review of molecular diagnostics.

Mass Spectrometric Quantification of Volatile Compounds Released by Fresh Atlantic Salmon Stored at 4 °C under Modified Atmosphere Packaging and Vacuum Packaging for up to 16 Days

A. Jambrak, T. Rustad, David Smith, 2021, ACS Food Science & Technology.

Release of toxic ammonia and volatile organic compounds by heated cannabis and their relation to tetrahydrocannabinol content

P. Španěl, David Smith, R. Bloor, 2015 .

Product ion distributions for the reactions of NO+ with some N-containing and O-containing heterocyclic compounds obtained using SRI-TOF-MS

K. Unterkofler, David Smith, P. Španěl, 2015 .

Product ion distributions for the reactions of NO+ with some physiologically significant aldehydes obtained using a SRI-TOF-MS instrument

K. Unterkofler, David Smith, P. Španěl, 2014, International journal of mass spectrometry.

A selected ion flow tube, SIFT, study of the ion chemistry of H3O+, NO+ and O2+ ions with several nitroalkanes in the presence of water vapour

P. Španěl, M. Polášek, K. Dryahina, 2004 .

Ions in the terrestrial atmosphere and in interstellar clouds

P. Španěl, David Smith, David R. Smith, 1995 .

Styrene radical cations for chemical ionization mass spectrometry analyses of monoterpene hydrocarbons.

P. Španěl, K. Sovová, A. Spesyvyi, 2019, Rapid communications in mass spectrometry : RCM.

Increase of acetone and ammonia in urine headspace and breath during ovulation quantified using selected ion flow tube mass spectrometry.

David Smith, P. Španěl, Ann M. Diskin, 2003, Physiological measurement.

Chemical ionization of glyoxal and formaldehyde with H3O+ ions using SIFT-MS under variable system humidity.

A. Mauracher, P. Španěl, F. Piel, 2020, Physical chemistry chemical physics : PCCP.

A longitudinal study of breath isoprene in healthy volunteers using selected ion flow tube mass spectrometry (SIFT-MS)

P. Španěl, David Smith, C. Turner, 2006, Physiological measurement.

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

K. Unterkofler, David Smith, P. Španěl, 2014, Rapid communications in mass spectrometry : RCM.

A selected ion flow tube study of the reactions of H3O+, NO+ and O2+• with some phenols, phenyl alcohols and cyclic carbonyl compounds in support of SIFT-MS and PTR-MS

Tianshu Wang, David Smith, P. Španěl, 2004 .

Selected ion flow tube studies of the reactions of H3O+, NO+, and O2+ with some chloroalkanes and chloroalkenes

P. Španěl, David Smith, David R. Smith, 1999 .

Selected ion flow tube studies of the reactions of H3O+, NO+, and O2+ with several aromatic and aliphatic hydrocarbons

P. Španěl, David Smith, David R. Smith, 1998 .

A SIFT study of the reactions of H3O+, NO+ and O2+ with hydrogen peroxide and peroxyacetic acid

Tianshu Wang, David Smith, P. Španěl, 2003 .

Combined use of gas chromatography and selected ion flow tube mass spectrometry for absolute trace gas quantification.

David Smith, P. Španěl, K. Dryahina, 2006, Rapid communications in mass spectrometry : RCM.

Do linear logistic model analyses of volatile biomarkers in exhaled breath of cystic fibrosis patients reliably indicate Pseudomonas aeruginosa infection?

P. Dřevínek, David Smith, P. Španěl, 2016, Journal of breath research.

Selected ion flow tube studies of the reactions of H3O+, NO+, and O2+ with several amines and some other nitrogen-containing molecules

P. Španěl, David Smith, David R. Smith, 1998 .

A detailed study of the ion chemistry of alkenes focusing on heptenes aimed at their SIFT-MS quantification

P. Španěl, R. Michalčíková, K. Dryahina, 2018 .

Selected ion flow tube mass spectrometry for targeted analysis of volatile organic compounds in human breath

G. Hanna, S. Markar, P. Španěl, 2021, Nature Protocols.

Cross Platform Analysis of Volatile Organic Compounds Using Selected Ion Flow Tube and Proton-Transfer-Reaction Mass Spectrometry.

G. Hanna, P. Španěl, B. Vadhwana, 2021, Journal of the American Society for Mass Spectrometry.

Flowing afterglow mass spectrometry (FA-MS) for the determination of the deuterium abundance in brea

P. Španěl, David Smith, David R. Smith, 2005 .

mber in situ by quanti fi cation of dimethyl sulphide in culture headspace

P. Španěl, David Smith, Thomas W. E. Chippendale, 2014 .

On-line, simultaneous quantification of ethanol, some metabolites and water vapour in breath following the ingestion of alcohol.

David Smith, Tianshu Wang, P. Španěl, 2002, Physiological measurement.

Ionic diffusion and mass discrimination effects in the new generation of short flow tube SIFT-MS instruments

P. Španěl, David Smith, A. Pysanenko, 2009 .

Increase of acetone emitted by urine in relation to ovulation

David Smith, P. Španěl, Ann M. Diskin, 2006, Acta obstetricia et gynecologica Scandinavica.

Generation of volatile compounds on mouth exposure to urea and sucrose: implications for exhaled breath analysis

Tianshu Wang, P. Španěl, David Smith, 2006, Physiological measurement.

THE COMBINED USE OF SIFT-MS AND FA-MS TO INVESTIGATE FIRST-PASS METABOLISM OF ETHANOL

Tianshu Wang, David Smith, P. Španěl, 2005 .

SELECTED ION FLOW TUBE MASS SPECTROMETRY, SIFT-MS, FOR ON-LINE TRACE GAS ANALYSIS OF BREATH

P. Španěl, David Smith, David R. Smith, 2005 .

A SIFT study of the reactions of H2ONO+ ions with several types of organic molecules

Tianshu Wang, David Smith, P. Španěl, 2003 .

Quantification of volatile compounds in the headspace of aqueous liquids using selected ion flow tube mass spectrometry.

Tianshu Wang, David Smith, P. Španěl, 2002, Rapid communications in mass spectrometry : RCM.

VALIDATION OF THE SIFT TECHNIQUE FOR TRACE GAS ANALYSIS OF BREATH USING THE SYRINGE INJECTION TECHNIQUE

J. Cocker, P. Španěl, David Smith, 1997 .

Quantitative selected ion flow tube mass spectrometry: The influence of ionic diffusion and mass discrimination

P. Španěl, David Smith, David R. Smith, 2001, Journal of the American Society for Mass Spectrometry.

Kinetics and isotope patterns of ethanol and acetaldehyde emissions from yeast fermentations of glucose and glucose-6,6-d2 using selected ion flow tube mass spectrometry: a case study.

Tianshu Wang, P. Španěl, David Smith, 2002, Rapid communications in mass spectrometry : RCM.

Analysis of volatile emissions from porcine faeces and urine using selected ion flow tube mass spectrometry

P. Španěl, David Smith, J. B. Jones, 2000 .

The Selected Ion Flow Tube Method for Workplace Analyses of Trace Gases in Air and Breath: Its Scope, Validation, and Applications

P. Rolfe, J. Cocker, P. Španěl, 1998 .

Quantification of volatile metabolites in exhaled breath by selected ion flow tube mass spectrometry, SIFT-MS.

P. Španěl, David Smith, David R. Smith, 2020, Clinical mass spectrometry.

The in vitro identification and quantification of volatile biomarkers released by cystic fibrosis pathogens

P. Španěl, David Smith, W. Lenney, 2015 .

Exhaled breath hydrogen cyanide as a marker of early Pseudomonas aeruginosa infection in children with cystic fibrosis

K. Southern, A. Smyth, David Smith, 2015, ERJ Open Research.

An investigation of suitable bag materials for the collection and storage of breath samples containing hydrogen cyanide

David Smith, P. Španěl, W. Lenney, 2012, Journal of breath research.

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.

V. Shestivska, P. Dřevínek, P. Španěl, 2011, Rapid communications in mass spectrometry : RCM.

Selected ion flow tube, SIFT, studies of the reactions of H3O+, NO+ and O2+ with some biologically active isobaric compounds in preparation for SIFT-MS analyses

P. Španěl, David Smith, Thomas W. E. Chippendale, 2011 .

Microwave plasma ion sources for selected ion flow tube mass spectrometry: Optimizing their performa

David Smith, P. Španěl, K. Dryahina, 2007 .

Bronchoalveolar lavage examined by solid phase microextraction, gas chromatography--mass spectrometry and selected ion flow tube mass spectrometry.

P. Španěl, David Smith, J. Julák, 2006, Journal of microbiological methods.

Differentiation of pulmonary bacterial pathogens in cystic fibrosis by volatile metabolites emitted by their in vitro cultures: Pseudomonas aeruginosa, Staphylococcus aureus, Stenotrophomonas maltophilia and the Burkholderia cepacia complex

P. Španěl, A. Nemec, K. Dryahina, 2016, Journal of breath research.

Selected ion flow tube studies of the reactions of H3O+, NO+, and O2+ with eleven amine structural isomers of c5h13n

P. Španěl, David Smith, David R. Smith, 1999 .

Selected ion flow tube studies of the reactions of H3O+, NO+, and O2+ with some organosulphur molecules

P. Španěl, David Smith, David R. Smith, 1998 .

Selected ion flow tube mass spectrometry

G. Hanna, R. Dweik, P. Španěl, 2020 .

Volatile compounds released by Nalophan; implications to SIFT-MS and other chemical ionisation mass spectrometry analytical methods.

David Smith, P. Španěl, K. Dryahina, 2019, Rapid communications in mass spectrometry : RCM.

Variation in Exhaled Acetone and Other Ketones in Patients Undergoing Bariatric Surgery: a Prospective Cross-sectional Study

G. Hanna, S. Purkayastha, S. Markar, 2018, Obesity Surgery.

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

V. Shestivska, J. Sulé-Suso, David Smith, 2017, Rapid communications in mass spectrometry : RCM.

Evaluation of lipid peroxidation by the analysis of volatile aldehydes in the headspace of synthetic membranes using Selected Ion Flow Tube Mass Spectrometry, SIFT-MS.

V. Shestivska, David Smith, P. Španěl, 2018, Rapid communications in mass spectrometry : RCM.

SIFT studies of the reactions of H3O+, NO+ and O2+ with several ethers

P. Španěl, David Smith, David R. Smith, 1998 .

Quantification of methylamine in the headspace of ethanol of agricultural origin by selected ion flow tube mass spectrometry

David Smith, P. Španěl, K. Dryahina, 2009 .

Selected ion flow tube mass spectrometry analysis of exhaled breath for volatile organic compound profiling of esophago-gastric cancer.

G. Hanna, P. Španěl, N. Abbassi-Ghadi, 2013, Analytical chemistry.

On-line, real time monitoring of exhaled trace gases by SIFT-MS in the perioperative setting: a feasibility study.

G. Hanna, P. Španěl, David Smith, 2011, The Analyst.

Ligand Switching Ion Chemistry: An SIFDT Case Study of the Primary and Secondary Reactions of Protonated Acetic Acid Hydrates with Acetone.

David Smith, P. Španěl, K. Dryahina, 2021, Journal of the American Society for Mass Spectrometry.

Quantitative analysis of volatile metabolites released in vitro by bacteria of the genus Stenotrophomonas for identification of breath biomarkers of respiratory infection in cystic fibrosis.

V. Shestivska, D. Elhottová, David Smith, 2015, Journal of breath research.

A selected ion flow tube study of the reactions of NO+ and O+2 ions with some organic molecules: The potential for trace gas analysis of air

P. Španěl, David Smith, David R. Smith, 1996 .

Spectroscopic investigations of high-energy-density plasma transformations in a simulated early reducing atmosphere containing methane, nitrogen and water.

V. Shestivska, L. Juha, P. Španěl, 2016, Physical chemistry chemical physics : PCCP.

Energy dependencies of fast reactions of positive ions X+ with HCl from near thermal to ≂2 eV center‐of‐mass collision energy (X+=H+,H2+,H3+,N+,N2+,Ar+,C+,CH+, CH2+,CH3+,CH4+,CH5+)

W. Freysinger, P. Španěl, A. Hansel, 1993 .

Determination of residence times of ions in a resistive glass selected ion flow-drift tube using the Hadamard transformation.

P. Španěl, A. Spesyvyi, 2015, Rapid communications in mass spectrometry : RCM.

Increase of the Charge Transfer Rate Coefficients for NO+ and O2+• Reactions with Isoprene Molecules at Elevated Interaction Energies.

P. Španěl, David Smith, K. Sovová, 2018, The journal of physical chemistry. A.

SIFDT studies of the reactions of C+, CH+ and CH+2 with HCl and CO2, and CH+3 with HCl

W. Freysinger, P. Španěl, W. Lindinger, 1993 .

Electron attachment to C60 at low energies

T. Märk, P. Španěl, David Smith, 1993 .

Selected ion flow-drift tube mass spectrometry , SIFDT-MS : quantification of volatile compounds in air and breath

P. Španěl, David Smith, A. Spesyvyi, 2016 .

Selected Ion Flow-Drift Tube Mass Spectrometry: Quantification of Volatile Compounds in Air and Breath.

P. Španěl, David Smith, A. Spesyvyi, 2015, Analytical chemistry.

The Human Skin Volatolome: A Systematic Review of Untargeted Mass Spectrometry Analysis

Sunyoung Choi, George B. Hanna, P. Španěl, 2022, Metabolites.

Selected ion flow tube study of the reactions of H3 O+ and NO+ with a series of primary alcohols in the presence of water vapour in support of selected ion flow tube mass spectrometry.

J. Ẑabka, David Smith, P. Španěl, 2017, Rapid communications in mass spectrometry : RCM.

Reactions of the selected ion flow tube mass spectrometry reagent ions H3O(+) and NO(+) with a series of volatile aldehydes of biogenic significance.

P. Španěl, David Smith, Thomas W. E. Chippendale, 2014, Rapid communications in mass spectrometry : RCM.

Quantification of methane in humid air and exhaled breath using selected ion flow tube mass spectrometry.

P. Španěl, D. Smith, K. Dryahina, 2010, Rapid communications in mass spectrometry : RCM.

Tu1248 Noninvasive Quantification of Volatile Metabolites in Breath: A Potential Indicator of Inflammatory Bowel Diseases Activity

P. Španěl, M. Lukáš, K. Dryahina, 2012 .

Status of selected ion flow tube MS: accomplishments and challenges in breath analysis and other areas.

David Smith, Patrik Španěl, P. Španěl, 2016, Bioanalysis.

Direct detection and quantification of malondialdehyde vapour in humid air using selected ion flow tube mass spectrometry supported by gas chromatography/mass spectrometry.

V. Shestivska, David Smith, P. Španěl, 2015, Rapid communications in mass spectrometry : RCM.

Minimising the Effects of Isobaric Product Ions in SIFT-MS Quantification of Acetaldehyde, Dimethyl

P. Španěl, David Smith, Thomas W. E. Chippendale, 2013 .

Real Time Detection of Aroma Compounds in Meat and Meat Products by SIFT-MS and Comparison to Conventional Techniques (SPME-GC-MS)

M. Flores, P. Španěl, A. Olivares, 2013 .

A selected ion flow tube study of the reactions of H3O+, NO+ and O2+• with seven isomers of hexanol in support of SIFT-MS

P. Španěl, David Smith, K. Sovová, 2012 .

Selected ion flow tube (SIFT) studies of the reactions of H3O+, NO+ and O2+ with six volatile phytogenic esters

P. Španěl, K. Dryahina, K. Sovová, 2011 .

Influence of weakly bound adduct ions on breath trace gas analysis by selected ion flow tube mass spectrometry (SIFT-MS)

P. Španěl, David Smith, David R. Smith, 2009 .

Characterization of spoilage‐related volatile organic compounds in packaged leaf salads

David Smith, P. Španěl, K. Dryahina, 2019, Flavour and Fragrance Journal.

Experimental study of the reaction of NO2− ions with CO2 molecules at temperatures and energies relevant to the Martian atmosphere

J. Ẑabka, P. Španěl, M. Polášek, 2020 .

Selected ion flow tube mass spectrometry analyses of stable isotopes in water: Isotopic composition of H3O+ and H3O+(H2O)3 ions in exchange reactions with water vapor

P. Španěl, David Smith, David R. Smith, 2000, Journal of the American Society for Mass Spectrometry.

SPME-GC-MS versus Selected Ion Flow Tube Mass Spectrometry (SIFT-MS) analyses for the study of volatile compound generation and oxidation status during dry fermented sausage processing.

M. Flores, David Smith, P. Španěl, 2011, Journal of agricultural and food chemistry.

Selected ion flow tube-mass spectrometry for absolute quantification of aroma compounds in the headspace of dry fermented sausages.

M. Flores, David Smith, P. Španěl, 2010, Analytical chemistry.

SIFT Applications in Mass Spectrometry

P. Španěl, David Smith, David R. Smith, 1999 .

Gas phase reactions of some positive ions with atomic and molecular hydrogen at 300 K

P. Španěl, M. McEwan, David Smith, 1997 .

A selected ion flow tube, SIFT, study of the reactions of H3O+, NO+ and O2+ ions with several N- and O-containing heterocyclic compounds in support of SIFT-MS

Tianshu Wang, David Smith, P. Španěl, 2004 .

and after a protein-calorie meal: a preliminary study Trace gases in breath of healthy volunteers when fasting

A. Rydosz, W. Cao, I. Izhaki, 2015 .

Reactions of Hydrated Hydronium Ions and Hydrated Hydroxide Ions with Some Hydrocarbons and Oxygen-Bearing Organic Molecules

P. Španěl, David Smith, David R. Smith, 1995 .

Experimental and theoretical investigation of electron attachment to SF(5)Cl.

J. Troe, T. Miller, A. Viggiano, 2008, The Journal of chemical physics.

Breath acetone concentration; biological variability and the influence of diet

David Smith, P. Španěl, David Smith, 2011, Physiological measurement.

Selected ion flow tube mass spectrometry of 3-hydroxybutyric acid, acetone and other ketones in the headspace of aqueous solution and urine

Tianshu Wang, David Smith, P. Španěl, 2008 .

Recent SIFT-MS Studies of Volatile Compounds in Physiology, Medicine and Cell Biology

P. Španěl, David Smith, David R. Smith, 2013 .

Ammonia release from heated 'street' cannabis leaf and its potential toxic effects on cannabis users.

Tianshu Wang, David Smith, P. Španěl, 2008, Addiction.

A study of thermal decomposition and combustion products of disposable polyethylene terephthalate (PET) plastic using high resolution fourier transform infrared spectroscopy, selected ion flow tube mass spectrometry and gas chromatography mass spectrometry

P. Španěl, M. Ferus, S. Civiš, 2008 .

Real-time quantification of traces of biogenic volatile selenium compounds in humid air by selected ion flow tube mass spectrometry.

V. Shestivska, P. Španěl, K. Sovová, 2012, Analytical chemistry.

AN ON-LINE LANGMUIR PROBE TECHNIQUE FOR THE STUDY OF AFTERGLOW PLASMAS

P. Španěl, 1995 .

Selected ion flow tube mass spectrometry analysis of volatile metabolites in urine headspace for the profiling of gastro-esophageal cancer.

G. Hanna, P. Španěl, N. Abbassi-Ghadi, 2013, Analytical chemistry.

Pentane and other volatile organic compounds, including carboxylic acids, in the exhaled breath of patients with Crohn’s disease and ulcerative colitis

Patrik Španěl, David Smith, Milan Lukáš, 2017, Journal of breath research.

Understanding Gas Phase Ion Chemistry Is the Key to Reliable Selected Ion Flow Tube-Mass Spectrometry Analyses

P. Španěl, David Smith, M. McEwan, 2020 .

Acetic acid is elevated in the exhaled breath of cystic fibrosis patients.

P. Dřevínek, David Smith, P. Španěl, 2017, Journal of cystic fibrosis : official journal of the European Cystic Fibrosis Society.

Impact of oral cleansing strategies on exhaled volatile organic compound levels.

G. Hanna, P. Španěl, B. Vadhwana, 2019, Rapid communications in mass spectrometry : RCM.

Time-integrated thermal desorption for quantitative SIFT-MS analyses of atmospheric monoterpenes

V. Shestivska, P. Španěl, K. Sovová, 2019, Analytical and Bioanalytical Chemistry.

Quantification of hydrogen cyanide in humid air by selected ion flow tube mass spectrometry.

Tianshu Wang, David Smith, P. Španěl, 2004, Rapid communications in mass spectrometry : RCM.

Dissociation of H3O+, NO+ and O2+• reagent ions injected into nitrogen carrier gas in SIFT-MS and reactivity of the ion fragments

P. Španěl, David Smith, David R. Smith, 2020 .

Quantification by SIFT-MS of acetaldehyde released by lung cells in a 3D model.

Josep Sulé-Suso, David Smith, Patrik Španěl, 2013, The Analyst.

Direct, rapid quantitative analyses of BVOCs using SIFT-MS and PTR-MS obviating sample collection

Patrik Španěl, P. Španěl, David Smith, 2011 .

Ion chemistry of phthalates in selected ion flow tube mass spectrometry: isomeric effects and secondary reactions with water vapour.

Š. Matejčík, P. Španěl, B. Michalczuk, 2020, Physical chemistry chemical physics : PCCP.

Electrostatic Switching and Selection of H3O+, NO+, and O2+• Reagent Ions for Selected Ion Flow-Drift Tube Mass Spectrometric Analyses of Air and Breath.

David Smith, P. Španěl, A. Spesyvyi, 2019, Analytical chemistry.

Ion chemistry at elevated ion-molecule interaction energies in a selected ion flow-drift tube: reactions of H3O+, NO+ and O2+ with saturated aliphatic ketones.

P. Španěl, David Smith, A. Spesyvyi, 2017, Physical chemistry chemical physics : PCCP.

In-tube collision-induced dissociation for selected ion flow-drift tube mass spectrometry, SIFDT-MS: a case study of NO(+) reactions with isomeric monoterpenes.

P. Španěl, K. Sovová, A. Spesyvyi, 2016, Rapid communications in mass spectrometry : RCM.

COMPETITIVE ASSOCIATION AND CHARGE TRANSFER IN THE REACTIONS OF NO+ WITH SOME KETONES : A SELECTED ION FLOW DRIFT TUBE STUDY

D. B. Milligan, P. Španěl, M. McEwan, 1999 .

14N NQR Quantification of Sodium Nitrite and Urotropin Using Singular Spectrum Analysis (SSA) for Data Filtering

V. Shestivska, P. Španěl, K. Sovová, 2020, Applied Magnetic Resonance.

Recent studies of electron attachment and electron-ion recombination at thermal energies

P. Španěl, David Smith, 1995 .

A Pilot Study of Ion - Molecule Reactions at Temperatures Relevant to the Atmosphere of Titan

J. Ẑabka, P. Španěl, M. Polášek, 2016, Origins of Life and Evolution of Biospheres.

The Influence of Ion – Neutral Collisions in the Plasma Sheath on the Ion Current to an Electrostatic Probe: Monte Carlo Simulation

P. Španěl, David Smith, D. Trunec, 1995 .

The influences of gas and electron temperatures on electron attachment in gas electrical discharges

P. Španěl, David Smith, David R. Smith, 1998 .

The development of a fully integrated 3D printed electrochemical platform and its application to investigate the chemical reaction between carbon dioxide and hydrazine

V. Shestivska, J. Heyda, K. Schwarzová-Pecková, 2020, Electrochimica Acta.

The concentration distributions of some metabolites in the exhaled breath of young adults

David Smith, David Smith, P. Španěl, 2007, Journal of breath research.

Selected Ion Flow Tube Mass Spectrometry as a Tool to Understand Hydride Atomization and the Fate of Free Analyte Atoms in an Externally Heated Quartz Tube Atomizer.

J. Kratzer, Tomáš Matoušek, P. Španěl, 2022, Analytical chemistry.

Relative influence of helium and nitrogen carrier gases on analyte ion branching ratios in SIFT-MS

P. Španěl, David Smith, K. Dryahina, 2022, International Journal of Mass Spectrometry.

Combining Fourier transform nuclear quadrupole resonance (FT-NQR) spectroscopy and mass spectrometry (MS) to study the electronic structure of titanocene dichlorides.

P. Španěl, S. Civiš, J. Kubišta, 2012, In Analysis.

A selected ion flow tube study of the reactions of F+, Cl+, Br+ and I+ with several molecular gases at 300 K

P. Španěl, C. Mayhew, David Smith, 1990 .

Progress in SIFT-MS: breath analysis and other applications.

David Smith, P. Španěl, David Smith, 2011, Mass spectrometry reviews.

Selected ion flow tube-MS analysis of headspace vapor from gastric content for the diagnosis of gastro-esophageal cancer.

G. Hanna, P. Španěl, Sacheen Kumar, 2012, Analytical chemistry.

A selected ion flow tube study of the ion molecule association reactions of protonated (MH+), nitrosonated (MNO+) and dehydroxidated (M−OH)+ carboxylic acids (M) with H2O

P. Španěl, R. Michalčíková, 2014 .

Selected ion flow tube mass spectrometry (SIFT-MS) for on-line trace gas analysis.

David Smith, P. Španěl, David Smith, 2005, Mass spectrometry reviews.

Selected ion flow tube – mass spectrometry: detection and real-time monitoring of flavours released by food products

Patrik Španěl, P. Španěl, David Smith, 1999 .

SIFT studies of the reactions of H3O+, NO+ and O+2 with a series of volatile carboxylic acids and esters

P. Španěl, David Smith, David R. Smith, 1998 .

Dissociative recombination of H3+ and some other interstellar ions: a controversy resolved

P. Španěl, David R. Smith, 1993 .

Product ion distributions and rate coefficients for the attachment reactions of electrons with CHCl2Br, CCl2Br2, and CHClBr2

P. Španěl, David R. Smith, 2001 .

A coordinated flowing afterglow and crossed beam study of electron attachment to CCl3Br

T. Märk, Š. Matejčík, P. Španěl, 1997 .

FALP studies of the dissociative recombination coefficients for O2+ and NO+ within the electron temperature range 300–2000 K

P. Španěl, L. Dittrichová, David R. Smith, 1993 .

Selected ion flow tube study of ion-molecule reactions of N(+)(3P) and Kr+ with C3 hydrocarbons propane, propene, and propyne.

J. Ẑabka, C. Alcaraz, P. Španěl, 2011, The journal of physical chemistry. A.

The SIFT and FALP techniques; applications to ionic and electronic reactions studies and their evolution to the SIFT-MS and FA-MS analytical methods

P. Španěl, David R. Smith, 2015 .

Falp Studies of Electron-Ion Recombination and Electron Attachment

P. Španěl, David R. Smith, 1994 .

FALP studies of electron attachment at elevated electron temperatures: the influence of attachment on electron energy distributions

P. Španěl, David R. Smith, 1993 .

Some reactions of the highly polar ion ArH+3

P. Španěl, D. Bedford, David R. Smith, 1992 .

Studies of Electron Attachment at Thermal Energies Using the Flowing Afterglow–Langmuir Probe Technique

P. Španěl, David R. Smith, 1994 .

Dissociative recombination of H+3. Experiment and theory reconciled

P. Španěl, David R. Smith, 1993 .

Formation of SF5− in electron attachment to SF6; swarm and beam results reconciled

T. Märk, Š. Matejčík, E. Illenberger, 1995 .

Electron Temperature Relaxation in Afterglow Plasmas: Diffusion Cooling

P. Španěl, D. Trunec, David R. Smith, 1994 .

Monte Carlo simulations of the influence of ion: Neutral collisions on the ion currents collected by electrostatic probes

David Smith, Patrik Španěl, P. Španěl, 2002 .

A further investigation of the reaction of C2H+2 with H2

P. Španěl, W. Lindinger, J. Glosík, 1993 .

SIFT studies of the reactions of H3O+, NO+ and O2+ with a series of aldehydes and ketones

P. Španěl, Yufeng Ji, David R. Smith, 1997 .

The influence of collisions in the space charge sheath on the ion current collected by a Langmuir probe

P. Španěl, P. Kudrna, M. Tichý, 1995 .

The influence of electron-electron collisions on electron thermalization in He and Ar afterglow plasmas

P. Španěl, D. Trunec, David R. Smith, 2003 .

Application of ion chemistry and the SIFT technique to the quantitative analysis of trace gases in air and on breath

Patrik Španěl, P. Španěl, David Smith, 1996 .

SIFT studies of the reactions of rare gas atomic ions with Cl2 and Br2

P. Španěl, M. Tichý, David R. Smith, 1993 .

The reactions of positive and negative halogen ions with Cl2 and Br2

P. Španěl, M. Tichý, David R. Smith, 1993 .

Selected ion flow tube studies of the reactions of H3O+, NO+, and O2+ with several aromatic and aliphatic monosubstituted halocarbons

P. Španěl, David R. Smith, 1999 .

Radiation from the reactions of NO + with Cl - and I -

P. Španěl, David R. Smith, 1996 .

A selected ion flow tube study of the reactions of H3O+, NO+, and O2+ with saturated and unsaturated aldehydes and subsequent hydration of the product ions

David Smith, P. Španěl, J. M. V. Doren, 2002 .

Recent developments and applications of selected ion flow tube mass spectrometry (SIFT-MS).

P. Španěl, N. Demarais, M. McEwan, 2023, Mass spectrometry reviews.

Mass spectrometry for real-time quantitative breath analysis

David Smith, Patrik Španěl, Jens Herbig, 2014, Journal of breath research.

Selected Ion Flow Tube (SIFT) Applications in Mass Spectrometry

P. Španěl, David R. Smith, 2017 .

SIFT-MS quantification of several breath biomarkers of inflammatory bowel disease, IBD: A detailed study of the ion chemistry

P. Španěl, R. Michalčíková, K. Dryahina, 2016 .

Quantification of pentane in exhaled breath, a potential biomarker of bowel disease, using selected ion flow tube mass spectrometry.

Patrik Španěl, David Smith, Milan Lukáš, 2013, Rapid communications in mass spectrometry : RCM.

Dynamics of formation of products D2CN+, DCN+, and CD3+ in the reaction of N+ with CD4: a crossed-beam and theoretical study.

J. Ẑabka, P. Španěl, Z. Herman, 2010, The journal of physical chemistry. A.

Experimental study of the reaction of O− ions with CO2 molecules with different ternary gases at temperatures relevant to the martian ionosphere

J. Ẑabka, P. Španěl, M. Polášek, 2021 .

Addition of a fast GC to SIFT-MS for analyses of individual monoterpenes in mixtures

P. Španěl, Nijing Wang, K. Sovová, 2019 .

Kinetics of reactions of NH4 + with some biogenic organic molecules and monoterpenes in He and N2 carrier gases: a potential SIFT-MS reagent ion.

P. Španěl, K. Dryahina, Stefan J. Swift, 2022, Rapid communications in mass spectrometry : RCM.

Ternary association reactions of H3 O+ , NO+ and O2 +• with N2 , O2 , CO2 and H2 O; implications for SIFT-MS analyses of air and breath.

P. Španěl, David R. Smith, 2021, Rapid communications in mass spectrometry : RCM.

Understanding gas phase ion chemistry is the key to reliable SIFT-MS analyses.

P. Španěl, M. McEwan, David R. Smith, 2020, Analytical chemistry.

SIFT-MS analyses of the isobaric compounds methanol and hydrazine in humid air.

V. Shestivska, David Smith, P. Španěl, 2020, Rapid communications in mass spectrometry : RCM.

Addition of fast gas chromatography to selected ion flow tube mass spectrometry for analysis of individual monoterpenes in mixtures

P. Španěl, Nijing Wang, K. Sovová, 2019, Atmospheric Measurement Techniques.

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

David Smith, P. Španěl, K. Dryahina, 2018, Rapid communications in mass spectrometry : RCM.

Comparative SIFT-MS, GC–MS and FTIR analysis of methane fuel produced in biogas stations and in artificial photosynthesis over acidic anatase TiO2 and montmorillonite

L. Kavan, P. Španěl, M. Ferus, 2017, Journal of Molecular Spectroscopy.

Breath concentration of acetic acid vapour is elevated in patients with cystic fibrosis

David Smith, Patrik Španěl, P. Dřevínek, 2016, Journal of breath research.

Selected ion flow tube mass spectrometry analyses of laser decomposition products of a range of explosives and ballistic propellants

P. Španěl, M. Kyncl, S. Civiš, 2016 .

Increase of methanol in exhaled breath quantified by SIFT-MS following aspartame ingestion

David Smith, Patrik Španěl, David Smith, 2015, Journal of breath research.

Hydrogen cyanide, a volatile biomarker of Pseudomonas aeruginosa infection

P. Španěl, W. Lenney, F. Gilchrist, 2013, Journal of breath research.

SIFT-MS Analysis of Nose-Exhaled Breath; Mouth Contamination and the Influence of Exercise

P. Španěl, Thomas W. E. Chippendale, K. Dryahina, 2013 .

A quantitative study of the influence of inhaled compounds on their concentrations in exhaled breath

David Smith, David Smith, P. Španěl, 2013, Journal of breath research.

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

P. Španěl, Thomas W. E. Chippendale, David R. Smith, 2011, Rapid communications in mass spectrometry : RCM.

Laser ablation of FOX-7: proposed mechanism of decomposition.

Svatopluk Civis, Martin Kyncl, P. Španěl, 2011, Analytical chemistry.

Volatile metabolites in the exhaled breath of healthy volunteers: their levels and distributions

P. Španěl, C. Turner, David R. Smith, 2007, Journal of breath research.

A general method for the calculation of absolute trace gas concentrations in air and breath from selected ion flow tube mass spectrometry data

David Smith, P. Španěl, K. Dryahina, 2006 .

The reactions of some interstellar ions with benzene, cyclopropane and cyclohexane

P. Španěl, M. Henchman, David R. Smith, 1995 .

A directly coupled monolithic rectangular resonator forming a robust microwave plasma ion source for SIFT-MS

P. Španěl, Clive Workman, E. F. Hall, 2004 .

Time variation of ammonia, acetone, isoprene and ethanol in breath: a quantitative SIFT-MS study over 30 days.

David Smith, David Smith, P. Španěl, 2003, Physiological measurement.

Quantification of acetaldehyde and carbon dioxide in the headspace of malignant and non-malignant lung cells in vitro by SIFT-MS.

David Smith, Josep Sulé-Suso, J. Sulé-Suso, 2009, The Analyst.

Atomization of As and Se volatile species in a dielectric barrier discharge atomizer after hydride generation: Fate of analyte studied by selected ion flow tube mass spectrometry

J. Kratzer, Tomáš Matoušek, P. Španěl, 2021, Analytica Chimica Acta.

Plasma volume, albumin, and fluid status in peritoneal dialysis patients.

David Smith, P. Španěl, S. Davies, 2010, American Society of Nephrology. Clinical Journal.

Influence of convection on the diffusive transport and sieving of water and small solutes across the peritoneal membrane.

David Smith, P. Španěl, S. Davies, 2005, Journal of the American Society of Nephrology : JASN.

Measuring transport of water across the peritoneal membrane.

David Smith, P. Španěl, S. Davies, 2003, Kidney international.

A longitudinal study of methanol in the exhaled breath of 30 healthy volunteers using selected ion flow tube mass spectrometry, SIFT-MS

David Smith, P. Španěl, Claire Turner, 2006, Physiological measurement.

Mass Spectrometric Analysis of Exhaled Breath for the Identification of Volatile Organic Compound Biomarkers in Esophageal and Gastric Adenocarcinoma

David Smith, Kirill A Veselkov, George B Hanna, 2015, Annals of surgery.

Selected ion flow tube mass spectrometry analyses of isobaric compounds methanol and hydrazine in humid air

V. Shestivska, David Smith, P. Španěl, 2020 .

On the importance of accurate quantification of individual volatile metabolites in exhaled breath

David Smith, Patrik Španěl, P. Španěl, 2017, Journal of breath research.

Pitfalls in the analysis of volatile breath biomarkers: suggested solutions and SIFT–MS quantification of single metabolites

P. Španěl, David R. Smith, 2015, Journal of breath research.

Counting cell number in situ by quantification of dimethyl sulphide in culture headspace.

A. E. El Haj, P. Španěl, Thomas W. E. Chippendale, 2014, The Analyst.

Real time monitoring of population dynamics in concurrent bacterial growth using SIFT-MS quantification of volatile metabolites.

P. Španěl, J. Čepl, K. Sovová, 2013, The Analyst.

Volatile compounds in health and disease

David Smith, Patrik Španěl, P. Španěl, 2011, Current opinion in clinical nutrition and metabolic care.

Quantification of trace levels of the potential cancer biomarkers formaldehyde, acetaldehyde and propanol in breath by SIFT-MS

David Smith, P. Španěl, Patrik Spaněl, 2008, Journal of breath research.

A longitudinal study of ammonia, acetone and propanol in the exhaled breath of 30 subjects using selected ion flow tube mass spectrometry, SIFT-MS

David Smith, P. Španěl, Claire Turner, 2006, Physiological measurement.

A longitudinal study of ethanol and acetaldehyde in the exhaled breath of healthy volunteers using selected-ion flow-tube mass spectrometry.

David Smith, David Smith, P. Španěl, 2006, Rapid communications in mass spectrometry : RCM.

A convenient method for calculation of ionic diffusion coefficients for accurate selected ion flow tube mass spectrometry, SIFT-MS

P. Španěl, K. Dryahina, 2005 .

Selected Ion Flow Tube Mass Spectrometry (SIFT-MS) and Flowing Afterglow Mass Spectrometry (FA-MS) for the Determination of the Deuterium Abundance in Water Vapour

P. Španěl, David R. Smith, 2004 .

Analysis of ketones by selected ion flow tube mass spectrometry.

Tianshu Wang, P. Španěl, David R. Smith, 2003, Rapid communications in mass spectrometry : RCM.

Selected ion flow tube, SIFT, studies of the reactions of H3O+, NO+ and O2+ with eleven C10H16 monoterpenes

Tianshu Wang, David Smith, P. Španěl, 2003 .

Quantification of acetaldehyde released by lung cancer cells in vitro using selected ion flow tube mass spectrometry.

David Smith, Alicia El Haj, Josep Sulé-Suso, 2003, Rapid communications in mass spectrometry : RCM.

Concurrent use of H3O+, NO+, and O2+ precursor ions for the detection and quantification of diverse trace gases in the presence of air and breath by selected ion-flow tube mass spectrometry

Yufeng Ji, David Smith, Patrik Španěl, 2001 .

HNC/HCN ratio in acetonitrile, formamide, and BrCN discharge.

K. Kawaguchi, P. Španěl, M. Ferus, 2011, The journal of physical chemistry. A.

Encyclopedia of Spectroscopy and Spectrometry, 2nd Edition

A. M. Pollard, A. D. Bain, Jimmy D Bell, 2010 .

Diagnostic performance of a non-invasive breath test for colorectal cancer: COBRA1 study.

G. Hanna, I. Laponogov, K. Veselkov, 2022, Gastroenterology.

The role of $\rm H^+$ and $\rm H_3^+$ ions in the degradation of interstellar molecules

T. Millar, P. Španěl, David R. Smith, 1994 .

Dispersal kinetics of deuterated water in the lungs and airways following mouth inhalation: real-time breath analysis by flowing afterglow mass spectrometry (FA-MS)

David Smith, P. Španěl, S. Davies, 2010, Journal of breath research.

Variability in the concentrations of volatile metabolites emitted by genotypically different strains of Pseudomonas aeruginosa

V. Shestivska, P. Španěl, P. Spanĕl, 2012, Journal of applied microbiology.

Trace gases in breath of healthy volunteers when fasting and after a protein-calorie meal: a preliminary study.

P. Španěl, S. Davies, D. Smith, 1999, Journal of applied physiology.

An investigation of the reactions of H3O+ and O2+ with NO, NO2, N2O and HNO2 in support of selected ion flow tube mass spectrometry

P. Španěl, David Smith, Spanel, 2000, Rapid communications in mass spectrometry : RCM.

Quantitative analysis of ammonia on the breath of patients in end-stage renal failure.

P. Španěl, S. Davies, S. Davies, 1997, Kidney international.

Pentane and other volatile organic compounds, including carboxylic acids, in the exhaled breath of patients with Crohn’s disease and ulcerative colitis

P. Španěl, M. Bortlík, N. Machková, 2017, Journal of breath research.

137 Hydrogen cyanide concentrations in the breath of adult cystic fibrosis patients with and without Pseudomonas aeruginosa infection

David Smith, P. Španěl, W. Lenney, 2013 .

Selected ion flow tube mass spectrometry of urine headspace.

T. Holland, P. Španěl, J. Elder, 1999, Rapid communications in mass spectrometry : RCM.

A study of sulfur-containing compounds in mouth- and nose-exhaled breath and in the oral cavity using selected ion flow tube mass spectrometry

P. Španěl, P. Spanĕl, D. Smith, 2008, Journal of breath research.

Selected ion flow tube: a technique for quantitative trace gas analysis of air and breath

P. Španěl, P. Spanĕl, D. Smith, 1996, Medical and Biological Engineering and Computing.

On-line measurement of the absolute humidity of air, breath and liquid headspace samples by selected ion flow tube mass spectrometry.

P. Španěl, P. Spanĕl, D. Smith, 2001, Rapid communications in mass spectrometry : RCM.

Increase of methanol in exhaled breath quantified by SIFT-MS following aspartame ingestion

David Smith, P. Španěl, Petra Vicherková, 2015, Journal of breath research.

Compounds enhanced in a mass spectrometric profile of smokers' exhaled breath versus non-smokers as determined in a pilot study using PTR-MS

K. Unterkofler, A. Dzien, David Smith, 2008, Journal of breath research.

Gas phase H+, H3O+ and NH4+ affinities of oxygen-bearing volatile organic compounds; DFT calculations for soft chemical ionisation mass spectrometry.

P. Španěl, A. Spesyvyi, Maroua Omezzine Gnioua, 2023, Physical chemistry chemical physics : PCCP.

A new 'online' method to measure increased exhaled isoprene in end-stage renal failure.

P. Španěl, S. Davies, D. Smith, 2001, Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association.

Analysis of formaldehyde in the headspace of urine from bladder and prostate cancer patients using selected ion flow tube mass spectrometry.

T. Holland, P. Španěl, J. Elder, 1999, Rapid communications in mass spectrometry : RCM.

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

M. Evans, David Smith, P. Španěl, 2008, Rapid communications in mass spectrometry : RCM.

The novel selected-ion flow tube approach to trace gas analysis of air and breath.

P. Španěl, D. Smith, D Smith, 1996, Rapid communications in mass spectrometry : RCM.