Výsledky vyhledávání - "April N. Abbott"

Akademický článek

Marine clay maturation induces systematic silicon isotope decrease in authigenic clays and pore fluids

Autor: Sonja Geilert, Daniel A. Frick, April N. Abbott, Stefan C. Löhr

Publikováno v: Communications Earth & Environment, Vol 5, Iss 1, Pp 1-8 (2024)

Abstract Marine silicate alteration exerts a major influence on marine carbon and cation cycles, but has proven difficult to quantify. In this context, silicon isotopes of marine pore fluids became an important tracer. However, poorly constrained sil

Externí odkaz: https://doaj.org/article/979a58a8e50d40109a7a9a596e19b32d

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Akademický článek

Authigenic clay mineral evidence for restricted, evaporitic conditions during the emergence of the Ediacaran Doushantuo Biota

Autor: Shujun Han, Stefan C. Lӧhr, April N. Abbott, Andre Baldermann, Martin Voigt, Bingsong Yu

Publikováno v: Communications Earth & Environment, Vol 3, Iss 1, Pp 1-12 (2022)

The Ediacaran-age Doushantuo Formation, which hosts some of the oldest animal fossils, was likely deposited in a restricted, mildly evaporitic lagoon environment, according to petrographic analyses of saponite clays that suggest an authigenic origin.

Externí odkaz: https://doaj.org/article/4b9aa61e959d4e56a53a65ebffa07d27

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Akademický článek

Earth system science applications of next-generation SEM-EDS automated mineral mapping

Autor: Shujun Han, Stefan C. Lӧhr, April N. Abbott, Andre Baldermann, Juraj Farkaš, William McMahon, Kitty L. Milliken, Mehrnoush Rafiei, Cassandra Wheeler, Michael Owen

Publikováno v: Frontiers in Earth Science, Vol 10 (2022)

Sedimentary rocks contain a unique record of the evolution of the Earth system. Deciphering this record requires a robust understanding of the identity, origin, composition, and post-depositional history of individual constituents. Petrographic analy

Externí odkaz: https://doaj.org/article/f1573fed635644cc9276d0556bf39fd5

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Akademický článek

Are Clay Minerals the Primary Control on the Oceanic Rare Earth Element Budget?

Autor: April N. Abbott, Stefan Löhr, Megan Trethewy

Publikováno v: Frontiers in Marine Science, Vol 6 (2019)

The rare earth elements (REEs) are an important tool for understanding biogeochemical cycling and sedimentary processes in the global ocean. However, ambiguities in the marine REE budgets, including questions around the dominant source of REEs to the

Externí odkaz: https://doaj.org/article/66caaf320ad04df48a468be574520e7a

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Akademický článek

The Impact of Benthic Processes on Rare Earth Element and Neodymium Isotope Distributions in the Oceans

Autor: Brian A. Haley, Jianghui Du, April N. Abbott, James McManus

Publikováno v: Frontiers in Marine Science, Vol 4 (2017)

Neodymium (Nd) isotopes are considered a valuable tracer of modern and past ocean circulation. However, the promise of Nd isotope as a water mass tracer is hindered because there is not an entirely self-consistent model of the marine geochemical cycl

Externí odkaz: https://doaj.org/article/76b88007f7ff406ca272f7f72962642a

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Reactive-transport modeling of neodymium and its radiogenic isotope in deep-sea sediments: The roles of authigenesis, marine silicate weathering and reverse weathering

Autor: Jianghui Du, Brian A. Haley, Alan C. Mix, April N. Abbott, James McManus, Derek Vance

Publikováno v: Earth and Planetary Science Letters, 596

Dissolved Rare Earth Elements (REE) and radiogenic neodymium (Nd) isotope composition (εNd) of seawater are widely used geochemical tools in studying marine processes, but their modern ocean budgets are poorly understood. Recent discoveries of large

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ab07c31709fd37add5e285e0c0f22068

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Evaluation of the vitek 2, phoenix, and microscan for antimicrobial susceptibility testing of stenotrophomonas maltophilia

Autor: Micah M. Bhatti, Romney M. Humphries, Cesar A. Arias, Jennifer Dien Bard, April N. Abbott, Ayesha Khan

Publikováno v: Repositorio U. El Bosque
Universidad El Bosque
instacron:Universidad El Bosque
J Clin Microbiol

Stenotrophomonas maltophilia causa infecciones de alta mortalidad en huéspedes inmunocomprometidos con opciones terapéuticas limitadas. Muchos laboratorios de EE. UU. confían en las pruebas comerciales automatizadas de susceptibilidad a los antimi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3d1a352e102769af68501b6ed77ce407
https://doi.org/10.1128/jcm.00654-21

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