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Did you mean Penny J. johns (12 results)?
Shifting stoichiometry: Long-term trends in stream-dissolved organic matter reveal altered C:N ratios due to history of atmospheric acid deposition.
Rodríguez-Cardona BM, Wymore AS, Argerich A, Barnes RT, Bernal S, Brookshire ENJ, Coble AA, Dodds WK, Fazekas HM, Helton AM, Johnes PJ, Johnson SL, Jones JB, Kaushal SS, Kortelainen P, López-Lloreda C, Spencer RGM, McDowell WH. Rodríguez-Cardona BM, et al. Among authors: johnes pj. Glob Chang Biol. 2022 Jan;28(1):98-114. doi: 10.1111/gcb.15965. Epub 2021 Nov 5. Glob Chang Biol. 2022. PMID: 34706120 Free PMC article.
Identification and quantification of myo-inositol hexakisphosphate in complex environmental matrices using ion chromatography and high-resolution mass spectrometry in comparison to 31P NMR spectroscopy.
McIntyre CA, Arkell JJL, Arthur CJ, Lawrence PG, Butts CP, Lloyd CEM, Johnes PJ, Evershed RP. McIntyre CA, et al. Among authors: johnes pj. Talanta. 2020 Apr 1;210:120188. doi: 10.1016/j.talanta.2019.120188. Epub 2019 Jul 31. Talanta. 2020. PMID: 31987164
Untargeted characterisation of dissolved organic matter contributions to rivers from anthropogenic point sources using direct-infusion and high-performance liquid chromatography/Orbitrap mass spectrometry.
Pemberton JA, Lloyd CEM, Arthur CJ, Johnes PJ, Dickinson M, Charlton AJ, Evershed RP. Pemberton JA, et al. Among authors: johnes pj. Rapid Commun Mass Spectrom. 2020 Sep;34 Suppl 4(Suppl 4):e8618. doi: 10.1002/rcm.8618. Epub 2020 Feb 13. Rapid Commun Mass Spectrom. 2020. PMID: 31677304 Free PMC article.