Results 21 to 30 of about 839,023 (313)

Polarized cells, polar actions

open access: yesJournal of Bacteriology, 1993
The recognition of polar bacterial organization is just emerging. The examples of polar localization given here are from a variety of bacterial species and concern a disparate array of cellular functions. A number of well-characterized instances of polar localization of bacterial proteins, including the chemoreceptor complex in both C. crescentus and E.
J R, Maddock, M R, Alley, L, Shapiro
openaire   +3 more sources

Two-dimensional chromatography on silica gel-loaded paper for the microanalysis of polar lipids

open access: yesJournal of Lipid Research, 1966
Two-dimensional chromatography on commercially available silica gel-loaded paper for the microanalysis of polar lipids from various tissues is described. All common phospholipids and their lyso derivatives can be reproducibly separated.
R.E. Wuthier
doaj   +1 more source

Personal submersibles offer novel ecological research access to Antarctic waters: an example, with observations of the rarely encountered scyphozoan Stygiomedusa gigantea

open access: yesPolar Research, 2023
Underwater biological surveys have been conducted around the Antarctic continent for several decades, and our knowledge of the species present in the shallow waters (
Daniel M. Moore   +3 more
doaj   +1 more source

Networks of international co-authorship in journal articles about Antarctic research, 1998–2015

open access: yesPolar Research, 2020
This study seeks insight into the social structure of Antarctic research from 1998 to 2015 by examining peer-reviewed journal articles listed in the Science Citation Index of the Web of Science database.
Duckhee Jang, Soogwan Doh, Yongjin Choi
doaj   +1 more source

The polarization properties of a tilted polarizer

open access: yesOptics Express, 2013
Polarizers are key components in optical science and technology. Thus, understanding the action of a polarizer beyond oversimplifying approximations is crucial. In this work, we study the interaction of a polarizing interface with an obliquely incident wave experimentally.
Korger, J.   +6 more
openaire   +4 more sources

Ichnodiversity in the eastern Canadian Arctic in the context of polar microbioerosion patterns

open access: yes, 2022
Studies of marine microbioerosion in polar environments are scarce. They include our recent investigations of bioerosion traces preserved in sessile balanid skeletons from the Arctic Svalbard archipelago and the Antarctic Ross Sea.
Wisshak, Max   +4 more
core   +1 more source

Climate Change Impacts on Polar Marine Ecosystems: Toward Robust Approaches for Managing Risks and Uncertainties

open access: yesFrontiers in Climate, 2022
The Polar Regions chapter of the Intergovernmental Panel on Climate Change's Special Report on the Ocean and Cryosphere in a Changing Climate (SROCC) provides a comprehensive assessment of climate change impacts on polar marine ecosystems and associated ...
Geir Ottersen   +7 more
doaj   +1 more source

Political polarization [PDF]

open access: yesProceedings of the National Academy of Sciences, 2007
Failures of government policies often provoke opposite reactions from citizens; some call for a reversal of the policy, whereas others favor its continuation in stronger form. We offer an explanation of such polarization, based on a natural bimodality of preferences in political and economic contexts and consistent with Bayesian rationality.
Dixit, Avinash, Weibull, Jörgen
openaire   +5 more sources

Polar bear depredation of a thick-billed murre fledgling in open water at Prince Leopold Island, Nunavut

open access: yes, 2022
Sea-ice distribution and duration are declining across the circumpolar range of the polar bear (Ursus maritimus), resulting in a reduced access to ice-obligate seals, its primary prey.
Di Corrado, Christopher   +4 more
core   +1 more source

Polare maskuliniteter

open access: yesNordlit: Tidsskrift i litteratur og kultur, 2012
In this paper my aim is to read and understand the journal of Gerrit de Veer from the last journey of William Barents to the Arctic Regions in 1596 and the journal of captain Junge on his hunting trip from Tromsø to Svalbard in 1834.It is nearly 240 ...
Marit Anne Hauan
doaj   +1 more source

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