Zobrazeno 1 - 10
of 229
pro vyhledávání: '"STEPHEN BARKER"'
Autor:
Chen Xu, Hana Jurikova, Sophie Nuber, Robert C. J. Steele, Molly Trudgill, Stephen Barker, Caroline H. Lear, Andrea Burke, James Rae
Publikováno v:
Geochemistry, Geophysics, Geosystems, Vol 25, Iss 2, Pp n/a-n/a (2024)
Abstract Boron isotope ratios (δ11B) are used across the Earth Sciences and are increasing analyzed by Multi‐Collector Inductively Coupled Plasma Mass Spectrometry (MC‐ICPMS). Accurate δ11B MC‐ICPMS analysis requires boron purification from t
Externí odkaz:
https://doaj.org/article/481a555f82e946c7b30460d8e31ded1d
Autor:
Defang You, Ruediger Stein, Kirsten Fahl, Maricel C. Williams, Daniela N. Schmidt, Ian Nicholas McCave, Stephen Barker, Enno Schefuß, Lu Niu, Gerhard Kuhn, Frank Niessen
Publikováno v:
Communications Earth & Environment, Vol 4, Iss 1, Pp 1-12 (2023)
Periodic meltwater pulses from the Laurentide-Greenland Ice Sheets during the last deglaciation drove abrupt changes in sea surface temperature and sea ice extent, according to sediment core biomarker proxy records from the Eirik Drift, eastern Labra
Externí odkaz:
https://doaj.org/article/a3fcaf1e30824ce49b3d819cfd283e2a
Autor:
James A. Menking, Sarah A. Shackleton, Thomas K. Bauska, Aron M. Buffen, Edward J. Brook, Stephen Barker, Jeffrey P. Severinghaus, Michael N. Dyonisius, Vasilii V. Petrenko
Publikováno v:
Nature Communications, Vol 13, Iss 1, Pp 1-10 (2022)
Summary for general audience: We used carbon stable isotope data from an Antarctic ice core to evaluate which mechanisms caused changes in atmospheric carbon dioxide 74-59 thousand years ago, including a ~40 ppm decrease at the beginning of the last
Externí odkaz:
https://doaj.org/article/b84f66f8f22647a1a7ad5ff44655adbb
Autor:
Arnold I. Okpani, Karen Lockhart, Jennifer M. Grant, Stephen Barker, Jocelyn A. Srigley, Annalee Yassi
Publikováno v:
Frontiers in Public Health, Vol 11 (2023)
The COVID-19 pandemic highlighted hurdles for healthcare delivery and personnel globally. Vaccination has been an important tool for preventing severe illness and death in healthcare workers (HCWs) as well as the public at large. However, vaccination
Externí odkaz:
https://doaj.org/article/605f221820704081a1149ae85a9eba8a
Autor:
Rodney Ehrlich, Stephen Barker, Alex Montgomery, Peter Lewis, Barry Kistnasamy, Annalee Yassi
Publikováno v:
Annals of Global Health, Vol 89, Iss 1 (2023)
Objectives: Between the 1980s and 2000s, an epidemic of silicosis was identified in migrant black goldminers, many from neighbouring countries, on the South African gold mines. This studies aimed to use the newly available employment database of a la
Externí odkaz:
https://doaj.org/article/85c93bb8828041b0a9d98157e9664033
Autor:
Stephen Barker, Gregor Knorr
Publikováno v:
Nature Communications, Vol 12, Iss 1, Pp 1-12 (2021)
Abstract Within the Late Pleistocene, terminations describe the major transitions marking the end of glacial cycles. While it is established that abrupt shifts in the ocean/atmosphere system are a ubiquitous component of deglaciation, significant unc
Externí odkaz:
https://doaj.org/article/dc6e5fa91fb54c72b61fed2af4369911
Autor:
Arnold Ikedichi Okpani, Stephen Barker, Karen Lockhart, Jennifer Grant, Jorge Delgado-Ron, Jerry Spiegel, Muzimkhulu Zungu, Spo Kgalamono, Sipho Senabe, David Jones, Nisha Naicker, Rodney Ehrlich, Annalee Yassi
Publikováno v:
Safety and Health at Work, Vol 13, Iss , Pp S174- (2022)
Externí odkaz:
https://doaj.org/article/839d60bd3acb46e08cac482756ac6f17
Autor:
Jerry M. Spiegel, Rodney Ehrlich, Annalee Yassi, Francisco Riera, James Wilkinson, Karen Lockhart, Stephen Barker, Barry Kistnasamy
Publikováno v:
Annals of Global Health, Vol 87, Iss 1 (2021)
Although Artificial Intelligence (AI) is being increasingly applied, considerable distrust about introducing “disruptive” technologies persists. Intrinsic and contextual factors influencing where and how such innovations are introduced therefore
Externí odkaz:
https://doaj.org/article/cd2d62742419404fb555215e8e75bfdb
Autor:
Annalee Yassi, Jennifer M Grant, Karen Lockhart, Stephen Barker, Stacy Sprague, Arnold I Okpani, Titus Wong, Patricia Daly, William Henderson, Stan Lubin, Chad Kim Sing
Publikováno v:
PLoS ONE, Vol 16, Iss 7, p e0254920 (2021)
BackgroundWe evaluated measures to protect healthcare workers (HCWs) in Vancouver, Canada, where variants of concern (VOC) went from 92% in mid-May. Canada has amongst the longest periods between vaccine doses worldwide, despite Vancouver having the
Externí odkaz:
https://doaj.org/article/60ff08ac8ffb4cf5aceba92a444319c1
Publikováno v:
Journal of Migration and Health, Vol 4, Iss , Pp 100065- (2021)
Background: A legacy of the South African gold mining industry, now in decline, is a large burden of silicosis and tuberculosis among former migrant miners from rural South Africa and surrounding countries, particularly Lesotho and Mozambique. This n
Externí odkaz:
https://doaj.org/article/1e48fa35d0d04ee984c9b4af83906ae9