Coupled ultrafiltration and solid phase extraction approach for the targeted study of semi-labile high molecular weight and refractory low molecular weight dissolved organic matter TAB Broek, BD Walker, TP Guilderson, MD McCarthy Marine Chemistry 194, 146-157, 2017 | 47 | 2017 |
Low molecular weight dissolved organic carbon: aging, compositional changes, and selective utilization during global ocean circulation TAB Broek, BD Walker, TP Guilderson, JS Vaughn, HE Mason, ... Global Biogeochemical Cycles 34 (6), e2020GB006547, 2020 | 37 | 2020 |
Direct visualization of individual aromatic compound structures in low molecular weight marine dissolved organic carbon S Fatayer, AI Coppola, F Schulz, BD Walker, TA Broek, G Meyer, ... Geophysical Research Letters 45 (11), 5590-5598, 2018 | 34 | 2018 |
High‐precision measurement of phenylalanine δ15N values for environmental samples: A new approach coupling high‐pressure liquid chromatography purification and elemental … TAB Broek, BD Walker, DH Andreasen, MD McCarthy Rapid Communications in Mass Spectrometry 27 (21), 2327-2337, 2013 | 34 | 2013 |
Input of 129I into the western Pacific Ocean resulting from the Fukushima nuclear event SJ Tumey, TP Guilderson, TA Brown, T Broek, KO Buesseler Journal of Radioanalytical and Nuclear Chemistry 296, 957-962, 2013 | 33 | 2013 |
Radiocarbon analysis of individual amino acids: carbon blank quantification for a small-sample high-pressure liquid chromatography purification method AL Bour, BD Walker, TAB Broek, MD McCarthy Analytical chemistry 88 (7), 3521-3528, 2016 | 31 | 2016 |
A new approach to δ15N compound‐specific amino acid trophic position measurements: preparative high pressure liquid chromatography technique for purifying … TAB Broek, MD McCarthy Limnology and Oceanography: Methods 12 (12), 840-852, 2014 | 27 | 2014 |
Amino acid enantiomers in old and young dissolved organic matter: implications for a microbial nitrogen pump TAB Broek, AL Bour, HL Ianiri, TP Guilderson, MD McCarthy Geochimica et Cosmochimica Acta 247, 207-219, 2019 | 19 | 2019 |
Conversion of the LLNL/CAMS 1 MV biomedical AMS system to a semi-automated natural abundance 14C spectrometer: system optimization and performance evaluation TAB Broek, TJ Ognibene, KJ McFarlane, KC Moreland, TA Brown, ... Nuclear Instruments and Methods in Physics Research Section B: Beam …, 2021 | 9 | 2021 |
Bacterial sources and cycling dynamics of amino acids in high and low molecular weight dissolved organic nitrogen in the ocean HL Ianiri, Y Shen, TAB Broek, MD McCarthy Marine Chemistry 241, 104104, 2022 | 6 | 2022 |
Dominant heterocyclic composition of dissolved organic nitrogen in the ocean: A new paradigm for cycling and persistence TAB Broek, MD McCarthy, HL Ianiri, JS Vaughn, HE Mason, AN Knapp Proceedings of the National Academy of Sciences 120 (49), e2305763120, 2023 | 2 | 2023 |
Optimization of the LLNL/CAMS gas-accepting ion source and 1 MV compact AMS for natural abundance radiocarbon analysis of CO2 TAB Broek, KC Moreland, TJ Ognibene, KJ McFarlane, TA Brown Nuclear Instruments and Methods in Physics Research Section B: Beam …, 2022 | 2 | 2022 |
New Perspectives on the Composition and Cycling of Dissolved Organic Carbon and Nitrogen in the Ocean TAB Broek University of California, Santa Cruz, 2019 | 2 | 2019 |
IMPROVING IONPLUS MICADAS PERFORMANCE WITH RECESSED GRAPHITE TAB Broek, ML Roberts Radiocarbon, 1-9, 2024 | | 2024 |
Variable aging and storage of dissolved black carbon in the ocean AI Coppola, ERM Druffel, TA Broek, N Haghipour, TI Eglinton, M McCarthy, ... Proceedings of the National Academy of Sciences 121 (13), e2305030121, 2024 | | 2024 |
Diverse organic carbon dynamics captured by radiocarbon analysis of distinct compound classes in a grassland soil KE Grant, MN Repasch, KM Finstad, JD Kerr, MAT Marple, CJ Larson, ... EGUsphere 2024, 1-26, 2024 | | 2024 |
Radiocarbon analysis of soil microbial biomass via direct chloroform extraction KM Finstad, EE Nuccio, KE Grant, TAB Broek, J Pett-Ridge, KJ McFarlane Radiocarbon, 1-9, 2023 | | 2023 |
Initial radiocarbon (14C) results of compound class persistence across a climate gradient in California grassland soils K Grant, M Repasch, K Finstad, T Broek, J Pett-Ridge, K McFarlane EGU General Assembly Conference Abstracts, EGU-10967, 2023 | | 2023 |
Soil Carbon Compound Class Persistence Across a Climate Gradient in California Grassland Soils K Grant, MN Repasch, KM Finstad, T Broek, KJ McFarlane AGU Fall Meeting Abstracts 2022, B22H-1542, 2022 | | 2022 |
Optimization of the LLNL/CAMS gas-accepting ion source and 1 MV compact AMS for natural abundance radiocarbon T Broek, K McFarlane, K Moreland, T Brown | | 2021 |