Results 91 to 100 of about 347,440 (309)

An Evaluation of Antarctic Ice Core Nitrate Records as a Proxy for Solar Activity

Earth and Space Science
Nitrate (NO3−) deposition in polar ice sheets archives valuable information on past solar activity. However, interpretation of Antarctic ice core NO3− records as a proxy for past solar activity remains challenging due to multiple sources and processes ...
C. M. Laluraj, Rahaman Waliur, Thamban Meloth   +2 more
doaj   +1 more source

Decreased cold‐sensing function of the transient receptor potential channel TRPM8 from tailed amphibians

FEBS Open Bio, EarlyView.
Despite frogs avoiding low temperatures, examination of four salamander species revealed that none avoided cold and all possessed cold tolerance. Functional analysis of TRPM8, a cold sensor, showed that all salamander TRPM8s had lost their cold sensitivity.
Tadahiro Sawao, Daiki Kobayashi, Shogo Hori, Osamu Saitoh   +3 more
wiley   +1 more source

Employing X-Ray computed tomography for the analysis of intact ice core sections

Лëд и снег, 2020
Ice core studies are crucial for understanding past climatic events. Currently a wide range of methods is available for studying ice cores. However, most of the methods have disadvantages related to the destruction of samples and their melting during the
Александра Гаяровна Хайрединова, Станислав Сергеевич Кутузов, Владимир Николаевич Михаленко, Дмитрий Вячиславович Корост, Алексей Николаевич Хомяк   +4 more
doaj  

Ice sheet extent and early deglacial history of the southwestern sector of the Greenland ice sheet [PDF]

, 2009
The offshore and coastal geomorphology of southwest Greenland records evidence for the advance and decay of the Greenland Ice Sheet during the Last Glacial Maximum.
Xu, S., Davies, Bethan J., Schnabel, C., Xu, Sheng, Sheng, X., Simpson, M.J.R., Simpson., M.J.R, Huybrechts, P., Roberts, David H., Long, A.J., Huybrechts, Philipe, Long, Antony J., Davies, B., Simpson, Matthew J.R., Schnabel, Christoph, Roberts, D.H., Davies, B.J.   +16 more
core   +1 more source

GISP2 ice core Holocene sodium concentration record

, 2022
This repository contains GISP2 ice core (Summit, Greenland) sodium concentrations of the upper ca. 1600 meter section of the core, corresponding to the ca. 11,000 years of the Holocene. The time series is smoothed using a 100-yr Gaussian kernel.
Vallelonga, Paul T, Vinther, Bo Møllesøe, Maffezzoli, Niccolò, Scoto, Federico, Turetta, Clara, Risebrobakken, Bjørg, Miles, Martin W, Saiz-Lopez, Alfonso, Berben, Sarah M P, Kjær, Helle Astrid, Sadatzki, Henrik, Barbante, Carlo, Edwards, Ross, Spolaor, Andrea   +13 more
core   +1 more source

Evolutionarily divergent DUF4465 domains have a common vitamin B12‐binding function

FEBS Open Bio, EarlyView.
We show that DUF4465 family proteins, widespread across bacteria from gut microbiomes, hydrothermal vents, and soil, share a common vitamin B12‐binding function. These augmented β‐jellyroll proteins bind vitamin B12 via extended loops. Our findings establish sequence‐diverse DUF4465 proteins as a widespread class of B12‐binding proteins, highlighting ...
Charlea Clarke, Michal Banasik, Rokas Juodeikis, Martin J. Warren, Richard W. Pickersgill   +4 more
wiley   +1 more source

Physical properties of the Dome Fuji deep ice core (review)

, 2003
P(論文)Recent results of physical analyses of the Dome Fuji ice core are summarized with special attention to new methods introduced in the present studies.
Fukumura, Taku, Shoji, Hitoshi, Miyamoto, Atsushi, Hondoh, Takeo, Fujita, Shuji, Shiraiwa, Takayuki, Narita, Hideki, Hori, Akira, Ohno, Hiroshi, Azuma, Nobuhiko, Motoyama, Hideaki, Kameda, Takao, Ikeda-Fukazawa, Tomoko, Mae, Shinji, Wang, Yun, Fukazawa, Hiroshi, Fujii-Miyamoto, Michiko, Watanabe, Okitsugu, Kawada, Kunio, Nishio, Fumihiko   +19 more
core  

Ice-algal chlorophyll a and physical properties of multi-year and first-year sea ice of core CASIMBO-CORE-3_10

, 2015
Ice-algal chlorophyll a and physical properties of multi-year and first-year sea ice of core CASIMBO-CORE ...
Benjamin Allen Lange (6962450), Michel, Christine, Meisterhans, Guillaume, Ido Hatam (209666), Justin Beckers (6962453), Lange, Benjamin Allen, Haas, Christian, Niemi, Andrea, Hauke Flores (6979595), Hatam, Ido, Casey, J Alec, Andrea Niemi (8004593), Beckers, Justin, Christine Michel (8000204), Flores, Hauke, J Alec Casey (6962456), Christian Haas (6959543), Guillaume Meisterhans (728324)   +17 more
core   +1 more source

Long‐term hippocampal alterations and cognitive impairment in a murine model of surgical sepsis

FEBS Open Bio, EarlyView.
Using a mouse model of surgical sepsis, we tested long‐term memory and analyzed the transcriptome of single cells isolated from the hippocampus. Survivor mice showed worse memory, loss of certain brain cell subpopulations, and abnormal immune cell activity—suggesting that post‐sepsis brain alterations may be linked to cognitive deficits.
Dong Seong Cho, Rebecca Schmitt, Aneesha Dasgupta, Alexandra Ducharme, Jason Doles   +4 more
wiley   +1 more source

A Detailed Analysis of the Rapid Changes in Ice-Core Parameters During the last Ice Age

, 1988
Results from deep Greenland ice cores show rapid changes in several parameters in the deepest part. The most probable explanation for these variations is a fast-changing climate during part of the last glaciation. The question arises, however, of whether
B. Stauffer, H. Oeschger, T. Staffelbach, Staffelbach, T., Oeschger, H., Stauffer, B.   +5 more
core   +1 more source