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List of works by Dwayne E. Heard

A Gaussian-3X prediction on the enthalpies of formation of chlorinated phenols and dibenzo-p-dioxins

scientific article published on 31 January 2008

A combined experimental and theoretical study of reactions between the hydroxyl radical and oxygenated hydrocarbons relevant to astrochemical environments ⬇️

scientific article published in February 2014

A combined experimental and theoretical study of the reaction between methylglyoxal and OH/OD radical: OH regeneration.

scientific article

A kinetic and spectroscopic study of the CH3I-Cl and ICH2I-Cl adducts

scientific article

A laser induced fluorescence study relating to physical properties of the iodine monoxide radical

scientific article

A multidimensional study of the reaction CH2I+O2: products and atmospheric implications

scientific article

A new method for atmospheric detection of the CH<sub>3</sub>O<sub>2</sub> radical ⬇️

A new method for atmospheric detection of the CH<sub>3</sub>O<sub>2</sub> radical ⬇️

A novel multiplex absorption spectrometer for time-resolved studies ⬇️

scientific article published in February 2018

A self-consistent, multi-variate method for the determination of gas phase rate coefficients, applied to reactions of atmospheric VOCs and the hydroxyl radical

A stop-scan interferometer used for time-resolved FTIR emission spectroscopy

Absorption cross-section measurements of water vapour and oxygen at 185 nm. Implications for the calibration of field instruments to measure OH, HO2and RO2radicals

scholarly article

Accelerated chemistry in the reaction between the hydroxyl radical and methanol at interstellar temperatures facilitated by tunnelling ⬇️

scientific article published on 30 June 2013

Airborne Measurements of Formaldehyde In Biomass Burning and Urban Plumes In Central Africa Using Laser Induced Fluorescence

scientific article

Aircraft observations of the lower troposphere above a megacity: Alkyl nitrate and ozone chemistry ⬇️

Alkyl nitrate photochemistry during the tropospheric organic chemistry experiment

article

An Experimental Study of the Kinetics of OH/OD(v = 1,2,3) + SO2: The Limiting High-Pressure Rate Coefficients as a Function of Temperature ⬇️

scientific article

An Experimental and Master Equation Study of the Kinetics of OH/OD + SO2: The Limiting High-Pressure Rate Coefficients ⬇️

scientific article

An intercomparison of HO<sub>2</sub> measurements by Fluorescence Assay by Gas Expansion and Cavity Ring–Down Spectroscopy within HIRAC (Highly Instrumented Reactor for Atmospheric Chemistry)

An intercomparison of HO<sub>2</sub> measurements by fluorescence assay by gas expansion and cavity ring-down spectroscopy within HIRAC (Highly Instrumented Reactor for Atmospheric Chemistry) ⬇️

Application of a compact all solid-state laser system to the in situ detection of atmospheric OH, HO2, NO and IO by laser-induced fluorescence

scientific article

Assessing chemistry schemes and constraints in air quality models used to predict ozone in London against the detailed Master Chemical Mechanism ⬇️

scientific article published on 28 April 2016

Atmospheric OH reactivity in central London: observations, model predictions and estimates of in situ ozone production ⬇️

scholarly article

Atmospheric chemistry

article

Atmospheric composition of West Africa: highlights from the AMMA international program

article

Atmospheric ethanol in London and the potential impacts of future fuel formulations ⬇️

scientific article published on 19 April 2016

Atmospheric field measurements of the hydroxyl radical using laser-induced fluorescence spectroscopy

scientific article

Atmospheric lifetime as a probe of radical chemistry in the boundary layer

Characterisation and improvement of j (O 1 D) filter radiometers ⬇️

Characterisation and improvement of j(O1D) filter radiometers

Chemical complexity of the urban atmosphere and its consequences: general discussion.

scientific article published on 4 July 2016

Chemistry of the Antarctic Boundary Layer and the Interface with Snow: an overview of the CHABLIS campaign

scholarly article

Collisional quenching of A 2Σ+ NO and A 2Δ CH in low pressure flames

Comment on "Atmospheric hydroxyl radical production from electronically excited NO2 and H2O".

scientific article published in April 2009

Comment on "Methanol dimer formation drastically enhances hydrogen abstraction from methanol by OH at low temperature" by W. Siebrand, Z. Smedarchina, E. Martínez-Núñez and A. Fernández-Ramos, Phys. Chem. Chem. Phys., 2016, 18, 22712. ⬇️

scientific article published in March 2018

Comparison of OH reactivity measurements in the atmospheric simulation chamber SAPHIR ⬇️

Coupling of HO x , NO x and halogen chemistry in the antarctic boundary layer

scholarly article

DMS and MSA measurements in the Antarctic Boundary Layer: impact of BrO on MSA production

scholarly article

DOAS observations of formaldehyde and its impact on the HOx balance in the tropical Atlantic marine boundary layer

Detection of iodine monoxide radicals in the marine boundary layer using laser induced fluorescence spectroscopy

article

Determination of the rate coefficients for the reactions IO + NO2 + M (air) --> IONO2 + M and O(3P) + NO2 --> O2 + NO using laser-induced fluorescence spectroscopy

scientific article

Determination of the temperature and pressure dependence of the reaction OH + C2H4 from 200-400 K using experimental and master equation analyses

scientific article

Direct evidence for a substantive reaction between the Criegee intermediate, CH2OO, and the water vapour dimer ⬇️

scientific article published in February 2015

Direct measurements of OH and other product yields from the HO2 + CH3C(O)O2 reaction ⬇️

scholarly article

Elevated levels of OH observed in haze events during wintertime in central Beijing

scholarly article

Elevated levels of OH observed in haze events during wintertime in central Beijing

Evaluating the sensitivity of radical chemistry and ozone formation to ambient VOCs and NO<sub><i>x</i></sub> in Beijing

scholarly article

Evaluating the sensitivity of radical chemistry and ozone formation to ambient VOCs and NO<sub>x</sub> in Beijing

scientific article

Evaluation of Novel Routes for NOx Formation in Remote Regions ⬇️

scientific article published on 05 June 2017

Evidence of reactive iodine chemistry in the Arctic boundary layer

article

Experimental and Theoretical Study of the OH-Initiated Degradation of Piperazine under Simulated Atmospheric Conditions

scientific article published on 30 December 2020

Experimental, theoretical, and astrochemical modelling investigation of the gas-phase reaction between the amidogen radical (NH 2 ) and acetaldehyde (CH 3 CHO) at low temperatures

Extensive halogen-mediated ozone destruction over the tropical Atlantic Ocean.

scientific article

Field Masurements of Atmospheric Composition

article

Ground and Airborne U.K. Measurements of Nitryl Chloride: An Investigation of the Role of Cl Atom Oxidation at Weybourne Atmospheric Observatory ⬇️

article published in 2017

Heterogeneous reaction of HO2 with airborne TiO2 particles and its implication for climate change mitigation strategies

scholarly article

Heterogeneous reaction of HO2 with airborne TiO2 particles and its implication for climate change mitigation strategies ⬇️

Hydroxyl radical and ozone measurements in England during the solar eclipse of 11 August 1999

article

Infrared chemiluminescence from the O + CF2reaction: part 1.—Kinetics of the emission near 2000 cm–1

article

Infrared chemiluminescence from the O + CF2reaction: part 2.—Analysis of the emission near 2000 cm–1

article

Insights into air pollution chemistry and sulphate formation from nitrous acid (HONO) measurements during haze events in Beijing

scientific article published on 07 December 2020

Investigating the global OH radical distribution using steady-state approximations and satellite data

scientific article published in 2022

Key Role of NO<sub>3</sub> Radicals in the Production of Isoprene Nitrates and Nitrooxyorganosulfates in Beijing

scientific article published on 07 January 2021

Kinetic study of the OH + glyoxal reaction: experimental evidence and quantification of direct OH recycling

scientific article

Kinetic study of the reactions of the sodium dimer (Na2) with a range of atmospheric species

scientific article

Kinetics of C2H radical reactions with ethene, propene and 1-butene measured in a pulsed Laval nozzle apparatus at T=103 and 296 K

article

Kinetics of reactions of C2H radical with acetylene, O2, methylacetylene, and allene in a pulsed Laval nozzle apparatus at T=103K

article

Kinetics study of the reaction of iodine monoxide radicals with dimethyl sulfide

scientific article

LIF measurements in methane/air flames of radicals important in prompt-NO formation

Laser induced fluorescence studies of the reactions of O(1D2) with N2, O2, N2O, CH4, H2, CO2, Ar, Kr and n-C4H10

article

Low temperature kinetics of the CH3OH + OH reaction.

scientific article

Low-NO atmospheric oxidation pathways in a polluted megacity

scholarly article

Low-Temperature Kinetics of Reactions of the OH Radical with Propene and 1-Butene Studied by a Pulsed Laval Nozzle Apparatus Combined with Laser-Induced Fluorescence

article

Measurement and calculation of OH reactivity at a United Kingdom coastal site

scholarly article by James D. Lee published in September 2009

Measurement and modelling of air pollution and atmospheric chemistry in the U.K. West Midlands conurbation: overview of the PUMA Consortium project.

scientific article

Measurement of OH and HO2 in the troposphere

scientific article published in December 2003

Measurement of OH reactivity by laser flash photolysis coupled with laser-induced fluorescence spectroscopy ⬇️

Measurement of OH reactivity by laser flash photolysis coupled with laser-induced fluorescence spectroscopy

Measurements of Low Temperature Rate Coefficients for the Reaction of CH with CH 2 O and Application to Dark Cloud and AGB Stellar Wind Models

scientific article published on 7 November 2019

Measurements of Rate Coefficients for Reactions of OH with Ethanol and Propan-2-ol at Very Low Temperatures ⬇️

scientific article

Measurements of the HO2 uptake coefficients onto single component organic aerosols. ⬇️

scientific article

Measurements of uptake coefficients for heterogeneous loss of HO2 onto submicron inorganic salt aerosols ⬇️

scientific article published in August 2013

Mechanism of the reaction of OH with alkynes in the presence of oxygen ⬇️

scientific article

New chemical source of the HCO radical following photoexcitation of glyoxal, (HCO)2.

scientific article

New directions measuring the elusive tropospheric hydroxyl radical

Night-time measurements of HOx during the RONOCO project and analysis of the sources of HO2 ⬇️

scholarly article

Night-time radical chemistry during the NAMBLEX campaign

scholarly article

Novel measurements of atmospheric iodine species by resonance fluorescence

article

OH and HO 2 chemistry during NAMBLEX: roles of oxygenates, halogen oxides and heterogeneous uptake

scholarly article

OH formation from CH3CO+O2: a convenient experimental marker for the acetyl radical

OH formation from the C2H5CO+O2 reaction: An experimental marker for the propionyl radical

OH production from the photolysis of isoprene-derived peroxy radicals: cross-sections, quantum yields and atmospheric implications ⬇️

scientific article

OH yields from the CH3CO+O2 reaction using an internal standard ⬇️

article by Scott A. Carr et al published September 2007 in Chemical Physics Letters

Observation of a large negative temperature dependence for rate coefficients of reactions of OH with oxygenated volatile organic compounds studied at 86-112 K.

scientific article published on 22 September 2010

Observation of a new channel, the production of CH3, in the abstraction reaction of OH radicals with acetaldehyde ⬇️

scientific article

Observations of speciated isoprene nitrates in Beijing: implications for isoprene chemistry

scientific article published on 27 January 2020

Observations of speciated isoprene nitrates in Beijing: implications for isoprene chemistry

scholarly article

On the interpretation of in situ HONO observations via photochemical steady state ⬇️

scientific article published on 22 April 2016

On the origin of the Murchison meteorite phosphonates. Implications for pre-biotic chemistry

scientific article published on 10 March 2006

On the vertical distribution of boundary layer halogens over coastal Antarctica: implications for O 3 , HO x , NO x and the Hg lifetime

scholarly article

Organics Substantially Reduce HO2 Uptake onto Aerosols Containing Transition Metal ions. ⬇️

scientific article published on 20 October 2015

Ozone production and precursor emission from wildfires in Africa

scientific article published in 2021

Peroxy radical chemistry and the control of ozone photochemistry at Mace Head, Ireland during the summer of 2002

scholarly article

Photo-tautomerization of acetaldehyde as a photochemical source of formic acid in the troposphere. ⬇️

scientific article

Photochemical impacts of haze pollution in an urban environment

article by Michael J. Hollaway et al published 28 January 2019 in Atmospheric Chemistry and Physics Discussions

Photolysis of methylethyl, diethyl and methylvinyl ketones and their role in the atmospheric HOx budget

scientific article

Pressure and temperature dependent photolysis of glyoxal in the 355-414 nm region: evidence for dissociation from multiple states

scientific article

Product Studies of Inelastic and Reactive Collisions of NH2+ NO: Effects of Vibrationally and Electronically Excited NH2†

article

Production of HO2 and OH radicals from near-UV irradiated airborne TiO2 nanoparticles ⬇️

scientific article published on 01 January 2019

Pulsed Laval nozzle study of the kinetics of OH with unsaturated hydrocarbons at very low temperatures ⬇️

scientific article

Quantum yields for the photolysis of glyoxal below 350 nm and parameterisations for its photolysis rate in the troposphere

scientific article published in April 2013

Quenching of OH (A2Σ+, ′=0) by several collision partners between 200 and 344 K. Cross-section measurements and model comparisons

article

Rainforest-like Atmospheric Chemistry in a Polluted Megacity

scientific article

Rapid Acceleration of Hydrogen Atom Abstraction Reactions of OH at Very Low Temperatures through Weakly Bound Complexes and Tunneling ⬇️

article by Dwayne E. Heard et al published 25 October 2018 in Accounts of Chemical Research

Reactive Halogens in the Marine Boundary Layer (RHaMBLe): the tropical North Atlantic experiments

scholarly article

Significant OH production under surface cleaning and air cleaning conditions: Impact on indoor air quality ⬇️

scientific article

State of the Art OH and HO2 Radical Measurement Techniques: An Update

Strong anthropogenic control of secondary organic aerosol formation from isoprene in Beijing

scholarly article

Strong anthropogenic control of secondary organic aerosol formation from isoprene in Beijing

article published in 2019

Study of acetone photodissociation over the wavelength range 248-330 nm: evidence of a mechanism involving both the singlet and triplet excited states

scientific article

Supplementary material to "Elevated levels of OH observed in haze events during wintertime in central Beijing"

scientific article

Supplementary material to "Observations of speciated isoprene nitrates in Beijing: implications for isoprene chemistry"

scientific article published on 27 January 2020

Supplementary material to "Rainforest-like Atmospheric Chemistry in a Polluted Megacity"

scientific article

Supplementary material to "Strong anthropogenic control of secondary organic aerosol formation from isoprene in Beijing"

scientific article

Supplementary material to "Understanding in situ ozone production in the summertime through radical observations and modelling studies during the Clean air for London project (ClearfLo)"

scientific article

The Essential Role for Laboratory Studies in Atmospheric Chemistry ⬇️

scientific article

The Gas-phase Reaction of NH 2 with Formaldehyde (CH 2 O) is not a Source of Formamide (NH 2 CHO) in Interstellar Environments

The North Atlantic Marine Boundary Layer Experiment (NAMBLEX). Overview of the campaign held at Mace Head, Ireland, in summer 2002

scholarly article

The Reaction of CH3O2 Radicals with OH Radicals: A Neglected Sink for CH3O2 in the Remote Atmosphere ⬇️

The X factor

scientific article published in Nature

The atmospheric chemistry of trace gases and particulate matter emitted by different land uses in Borneo

scientific article

The first UK measurements of nitryl chloride using a chemical ionization mass spectrometer in central London in the summer of 2012, and an investigation of the role of Cl atom oxidation ⬇️

article

The impact of current CH4and N2O atmospheric loss process uncertainties on calculated ozone abundances and trends ⬇️

scientific article

The oxidative capacity of the troposphere: coupling of field measurements of OH and a global chemistry transport model

scientific article published in January 2005

The uptake of HO2 on meteoric smoke analogues ⬇️

scientific article

Theoretical and Experimental Investigation of the Dynamics of the Production of CO from the CH3+ O and CD3+ O Reactions

article

Time-resolved fourier-transform infrared emission in the O(3P)+ CHF(1A′) reaction

article

Time-resolved pulsed FTIR emission studies of atom-radical reactions: Product chemiluminescence from the O(3P)+CF2(X̃ 1A1) reaction

Tropospheric OH and HO2 radicals: field measurements and model comparisons

scientific article published on 21 August 2012

Understanding in situ ozone production in the summertime through radical observations and modelling studies during the Clean air for London project (ClearfLo) ⬇️

scholarly article

Understanding in situ ozone production in the summertime through radical observations and modelling studies during the Clean air for London project (ClearfLo)

Urban case studies: general discussion

scientific article published on 5 July 2016

Wavelength dependent photodissociation of CH3OOH

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