Search Results - "Griffin, Sheila"

Dissolved Organic Radiocarbon in the Eastern Pacific and Southern Oceans by Druffel, Ellen R. M., Griffin, Sheila, Lewis, Christian B., Rudresh, Megha, Garcia, Noreen G., Key, Robert M., McNichol, Ann P., Hauksson, Niels E., Walker, Brett D.

“…We report marine dissolved organic carbon (DOC) concentrations, and DOC Δ14C and δ13C values in seawater collected from the Southern Ocean and eastern Pacific…”
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Dissolved Organic Radiocarbon in the West Indian Ocean by Druffel, Ellen R. M., Lewis, Christian B., Griffin, Sheila, Flaherty, Alessandra, Rudresh, Megha, Hauksson, Niels E., Key, Robert M., McNichol, Ann P., Hwang, Jeomshik, Walker, Brett D.

“…We report marine dissolved organic carbon (DOC) concentrations, and DOC Δ14C and δ13C in seawater collected from the West Indian Ocean during the GO‐SHIP I07N…”
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radiocarbon signature of microorganisms in the mesopelagic ocean by Hansman, Roberta L, Griffin, Sheila, Watson, Jordan T, Druffel, Ellen R.M, Ingalls, Anitra E, Pearson, Ann, Aluwihare, Lihini I

“…Several lines of evidence indicate that microorganisms in the meso- and bathypelagic ocean are metabolically active and respiring carbon. In addition, growing…”
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Rapid sample preparation of dissolved inorganic carbon in natural waters using a headspace-extraction approach for radiocarbon analysis by accelerator mass spectrometry by Gao, Pan, Xu, Xiaomei, Zhou, Liping, Pack, Mary A., Griffin, Sheila, Santos, Guaciara M., Southon, John R., Liu, Kexin

“…We have established a high‐throughput headspace‐extraction method for the preparation of dissolved inorganic carbon (DIC) from water samples for radiocarbon…”
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Radiocarbon and stable isotopes in Palmyra corals during the past century by Druffel-Rodriguez, Kevin C., Vetter, Desiree, Griffin, Sheila, Druffel, Ellen R.M., Dunbar, Robert B., Mucciarone, David A., Ziolkowski, Lori A., Sanchez-Cabeza, Joan-Albert

“…Annual samples from two Palmyra Atoll corals (Porites lutea) that lived during the past 110years were analyzed for radiocarbon (Δ14C) and δ18O. The Δ14C values…”
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Dissolved inorganic radiocarbon in the North Pacific Ocean and Sargasso Sea by Druffel, Ellen R.M., Bauer, James E., Griffin, Sheila, Beaupré, Steven R., Hwang, Jeomshik

“…We present radiocarbon measurements of dissolved inorganic carbon (DIC) in depth profiles from reoccupations of our central North Pacific Ocean and Sargasso…”
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Oceanic climate and circulation changes during the past four centuries from radiocarbon in corals by DRUFFEL, Ellen R. M, GRIFFIN, Sheila, BEAUPRE, Steven R, DUNBAR, Robert B

“…We analyzed radiocarbon in annual coral bands from the Galápagos Islands in the tropical east Pacific to understand natural variability of past ocean…”
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Variability of surface ocean radiocarbon and stable isotopes in the southwestern Pacific by Druffel, Ellen R. M., Griffin, Sheila

“…We present high‐precision radiocarbon (Δ14C) results and stable isotope (δ18O and δ13C) records for a coral from Heron Island (23°S, 152°E) and new stable…”
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Temporal and regional variability in sources and cycling of DOC and POC in the northwest Atlantic continental shelf and slope by Bauer, James E, Druffel, Ellen R.M, Wolgast, David M, Griffin, Sheila

“…The Δ 14C and δ 13C distributions in total dissolved and suspended particulate organic carbon (DOC and POC, respectively) and dissolved inorganic carbon (DIC)…”
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Penetration of anthropogenic carbon into organic particles of the deep ocean by Druffel, Ellen R. M., Bauer, James E., Griffin, Sheila, Hwang, Jeomshik

“…In the late 1980s, bomb 14C was present in suspended particulate organic carbon (POC) from the North Central Pacific (NCP) and Sargasso Sea (SS) throughout…”
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Radiocarbon studies of organic compound classes in plankton and sediment of the northeastern Pacific Ocean by Wang, Xu-Chen, Druffel, Ellen R.M., Griffin, Sheila, Lee, Cindy, Kashgarian, Michaele

“…Radiocarbon (Δ 14C) and stable carbon isotopes (δ 13C) were measured in total hydrolyzable amino acid (THAA), total carbohydrate (TCHO), total lipid, and…”
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Angiotensin II Causes Vascular Hypertrophy in Part by a Non-pressor Mechanism by Griffin, Sheila A, Brown, William C.B, MacPherson, Fiona, McGrath, John C, Wilson, Vincent G, Korsgaard, Niels, Mulvany, Michael J, Lever, Anthony F

“…Angiotensin II, when given in low doses, raises blood pressure slowly. When tested in vitro on vascular smooth muscle cells, it has mitogenic and trophic…”
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Brief Angiotensin Converting Enzyme Inhibitor Treatment in Young Spontaneously Hypertensive Rats Reduces Blood Pressure Long-term by Harrap, Stephen B, Van der Merwe, Walter M, Griffin, Sheila A, Macpherson, Fiona, Lever, Anthony F

“…Our study examines the long-term cardiovascular effects after a brief period of angiotensin converting enzyme (ACE) inhibitor treatment in young spontaneously…”
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Temporal variability of Δ14C, δ13C, and C/N in sinking particulate organic matter at a deep time series station in the northeast Pacific Ocean by Hwang, Jeomshik, Druffel, Ellen R. M., Griffin, Sheila, Smith Jr, Kenneth L., Baldwin, Roberta J., Bauer, James E.

“…A 6‐year time series of Δ14C, δ13C, and C/N measurements in deep sinking particulate organic matter (POM) is presented for an abyssal site, Station M in the…”
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A sealed-tube method for offline δ 13 C analysis of CO 2 via a Gas Bench II continuous-flow isotope ratio mass spectrometer by Walker, Brett D, Beaupré, Steven R, Griffin, Sheila, Walker, Jennifer, Druffel, Ellen, Xu, Xiaomei

“…The isotopic measurement of environmental sample CO via isotope ratio mass spectrometry (IRMS) can present many analytical challenges. In many offline…”
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A sealed‐tube method for offline δ13C analysis of CO2 via a Gas Bench II continuous‐flow isotope ratio mass spectrometer by Walker, Brett D., Beaupré, Steven R., Griffin, Sheila, Walker, Jennifer, Druffel, Ellen, Xu, Xiaomei

“…Rationale The isotopic measurement of environmental sample CO2 via isotope ratio mass spectrometry (IRMS) can present many analytical challenges. In many…”
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Dissolved Organic Radiocarbon in the Central Pacific Ocean by Druffel, Ellen R. M., Griffin, Sheila, Wang, Ning, Garcia, Noreen G., McNichol, Ann P., Key, Robert M., Walker, Brett D.

“…We report marine dissolved organic carbon (DOC) concentrations, and DOC ∆14C and δ13C values in seawater collected from the central Pacific. Surface ∆14C…”
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Dissolved organic carbon dynamics in anaerobic sediments of the Santa Monica Basin by Komada, Tomoko, Burdige, David J., Crispo, Sabrina M., Druffel, Ellen R.M., Griffin, Sheila, Johnson, Leah, Le, Diemmi

“…Cycling of dissolved organic carbon (DOC) was investigated in anoxic sediments of the Santa Monica Basin, California Borderland, by analyzing the concentration…”
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Distributions of dissolved organic and inorganic carbon and radiocarbon in the eastern North Pacific continental margin by Bauer, James E, Druffel, Ellen R.M, Wolgast, David M, Griffin, Sheila, Masiello, Caroline A

“…Temporal variations in the natural radiocarbon ( 14C) signatures of dissolved organic and inorganic carbon (DOC and DIC, respectively) in seawater have been…”
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Low reservoir ages for the surface ocean from mid-Holocene Florida corals by Druffel, Ellen R. M., Robinson, Laura F., Griffin, Sheila, Halley, Robert B., Southon, John R., Adkins, Jess F.

“…The 14C reservoir age of the surface ocean was determined for two Holocene periods (4908–4955 and 3008–3066 calendar (cal) B.P.) using U/Th‐dated corals from…”
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