Andrew R Rickard
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Explore the profile of Andrew R Rickard including associated specialties, affiliations and a list of published articles.
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21
Citations
57
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Recent Articles
1.
Evans R, Bryant D, Voliotis A, Hu D, Wu H, Syafira S, et al.
Anal Chem
. 2024 Nov;
96(46):18349-18358.
PMID: 39508740
Nontarget analysis (NTA) by liquid chromatography coupled to high-resolution mass spectrometry improves the capacity to comprehend the molecular composition of complex mixtures compared to targeted analysis techniques. However, the detection...
2.
Williams P, Ho H, Unsworth W, Rickard A, Chechik V
Chemistry
. 2024 Jul;
30(51):e202401500.
PMID: 38954146
A radical trapping method based on an S2' homolytic substitution reaction was applied to study the mechanism of a photochemical spirocyclisation of indole-ynones in the presence of thiols. Starting material,...
3.
Ocana I, Williams P, Donald J, Griffin N, Hodges G, Rickard A, et al.
Chimia (Aarau)
. 2024 Mar;
78(3):123-128.
PMID: 38547013
Two applications of a radical trap based on a homolytic substitution reaction (SH2') are presented for the trapping of short-lived radical intermediates in organic reactions. The first example is a...
4.
Nelson B, Bryant D, Alam M, Sommariva R, Bloss W, Newland M, et al.
Environ Sci Technol Lett
. 2023 Jun;
10(6):520-527.
PMID: 37333938
Delhi, India, suffers from periods of very poor air quality, but little is known about the chemical production of secondary pollutants in this highly polluted environment. During the postmonsoon period...
5.
Williams P, Boustead G, Heard D, Seakins P, Rickard A, Chechik V
J Am Chem Soc
. 2022 Aug;
144(35):15969-15976.
PMID: 36001076
We report a new general method for trapping short-lived radicals, based on a homolytic substitution reaction S2'. This departure from conventional radical trapping by addition or radical-radical cross-coupling results in...
6.
Key Role of NO Radicals in the Production of Isoprene Nitrates and Nitrooxyorganosulfates in Beijing
Hamilton J, Bryant D, Edwards P, Ouyang B, Bannan T, Mehra A, et al.
Environ Sci Technol
. 2021 Jan;
55(2):842-853.
PMID: 33410677
The formation of isoprene nitrates (IsN) can lead to significant secondary organic aerosol (SOA) production and they can act as reservoirs of atmospheric nitrogen oxides. In this work, we estimate...
7.
Stewart G, Nelson B, Drysdale W, Acton W, Vaughan A, Hopkins J, et al.
Faraday Discuss
. 2020 Dec;
226:409-431.
PMID: 33336656
Rapid economic growth and development have exacerbated air quality problems across India, driven by many poorly understood pollution sources and understanding their relative importance remains critical to characterising the key...
8.
Newland M, Nelson B, Munoz A, Rodenas M, Vera T, Tarrega J, et al.
Phys Chem Chem Phys
. 2020 Jun;
22(24):13698-13706.
PMID: 32525165
Criegee Intermediates (CI), formed in the ozonolysis of alkenes, play a central role in tropospheric chemistry as an important source of radicals, with stabilised CI (SCI) able to participate in...
9.
Wang S, Newland M, Deng W, Rickard A, Hamilton J, Munoz A, et al.
Environ Sci Technol
. 2020 Jun;
54(13):7798-7806.
PMID: 32479720
Formic acid (HCOOH), one of the most important and ubiquitous organic acids in the Earth's atmosphere, contributes substantially to atmospheric acidity and affects pH-dependent reactions in the aqueous phase. However,...
10.
Newland M, Rea G, Thuner L, Henderson A, Golding B, Rickard A, et al.
Phys Chem Chem Phys
. 2019 Jan;
21(3):1160-1171.
PMID: 30620029
Unsaturated 1,4-dicarbonyl compounds, such as 2-butenedial and 4-oxo-2-pentenal are produced in the atmospheric boundary layer from the oxidation of aromatic compounds and furans. These species are expected to undergo rapid...