David Smith

发表

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

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

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.

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.

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

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

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

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

Breath analysis: the approach towards clinical applications.

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

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.

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.

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.

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

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

Electron attachment to and in the gas phase

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

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.

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.

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

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

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.

Advantages of breath testing for the early diagnosis of lung cancer

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

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

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

Ions in the terrestrial atmosphere and in interstellar clouds

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

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.

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 .

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 .

Status of selected ion flow tube mass spectrometry ; accomplishments and 3 challenges in breath analysis and other areas

David Smith, David R. Smith, 2016 .

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 .

CLINICAL STUDY: Quantification of breath carbon disulphide and acetone following a single dose of disulfiram (Antabuse) using selected ion flow tube mass spectrometry (SIFT‐MS)

David Smith, P. Spanĕl, R. Bloor, 2006, Addiction biology.

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.

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

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

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.

From molecules in space to molecules in breath.

David Smith, David R. Smith, 2016, Paediatric respiratory reviews.

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

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

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 .

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.

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 .

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.

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

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

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.

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 .

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.

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.

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

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

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

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

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 .

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.

SIFT Applications in Mass Spectrometry

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

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.

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

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

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.

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

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

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 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.

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 .

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.

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.

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 .