Radiocarbon dating

I Hajdas, P Ascough, MH Garnett, SJ Fallon… - Nature Reviews …, 2021 - nature.com
Radiocarbon dating uses the decay of a radioactive isotope of carbon (14C) to measure time
and date objects containing carbon-bearing material. With a half-life of 5,700±30 years …

A review of current and emerging approaches for Quaternary marine sediment dating

W Li, X Li, X Mei, F Zhang, J Xu, C Liu, C Wei… - Science of the Total …, 2021 - Elsevier
Dating methodologies for Quaternary marine sediments play increasingly important roles in
the reconstruction of paleoenvironments and paleoclimate in (paleo) oceanography …

Clay nanoflakes and organic molecules synergistically promoting CO2 hydrate formation

H Liu, C Shi, S Wang, L Zhang, J Zhao, M Yang… - Journal of Colloid and …, 2023 - Elsevier
Carbon dioxide (CO 2) reduction is an urgent challenge worldwide due to the dramatically
increased CO 2 concentration and concomitant environmental problems. Geological CO 2 …

Application of a porous graphitic carbon column to carbon and nitrogen isotope analysis of underivatized individual amino acids using high‐performance liquid …

Y Sun, NO Ogawa, NF Ishikawa… - Rapid …, 2023 - Wiley Online Library
Rationale Isolation of underivatized amino acids (AAs) using high‐performance liquid
chromatography (HPLC) is becoming a popular method for carbon (δ13C) and nitrogen …

Integrative assessment of amino acid nitrogen isotopic composition in biological tissue samples determined by GC/C/IRMS, LC× EA/IRMS, and LC× GC/C/IRMS

NF Ishikawa, NO Ogawa, Y Sun… - Limnology and …, 2022 - Wiley Online Library
Compound‐specific isotope analysis of nitrogen (δ15N) in amino acids (CSIA‐AA) has
significantly contributed to environmental sciences such as anthropology, biogeochemistry …

Sedimentary carbon on the continental shelf: Emerging capabilities and research priorities for Blue Carbon

CA Graves, L Benson, J Aldridge… - Frontiers in Marine …, 2022 - frontiersin.org
Continental shelf sediments store large amounts of organic carbon. Protecting this carbon
from release back into the marine system and managing the marine environment to …

Marine organic carbon and radiocarbon—present and future challenges

ERM Druffel, SR Beaupré, H Grotheer, CB Lewis… - …, 2022 - cambridge.org
We discuss present and developing techniques for studying radiocarbon in marine organic
carbon (C). Bulk DOC (dissolved organic C) Δ14C measurements reveal information about …

Diverse organic carbon dynamics captured by radiocarbon analysis of distinct compound classes in a grassland soil

KE Grant, MN Repasch, KM Finstad, JD Kerr… - …, 2024 - bg.copernicus.org
Soil organic carbon (SOC) is a large, dynamic reservoir composed of a complex mixture of
plant-and microbe-derived compounds with a wide distribution of cycling timescales and …

A new ramped oxidation-14C analysis facility at the NEIF Radiocarbon Laboratory, East Kilbride, UK

MH Garnett, R Pereira, C Taylor, C Murray… - …, 2023 - cambridge.org
Sample materials such as sediments and soils contain complex mixtures of different carbon-
containing compounds. These bulk samples can be split into individual fractions, based on …

High‐precision measurement of phenylalanine and glutamic acid δ15N by coupling ion‐exchange chromatography and purge‐and‐trap continuous‐flow isotope …

L Zhang, W Lee, A Kreider‐Mueller… - Rapid …, 2021 - Wiley Online Library
Rationale Nitrogen isotopic compositions (δ15N) of source and trophic amino acids (AAs)
are crucial tracers of N sources and trophic enrichments in diverse fields, including …