Results 91 to 100 of about 230,746 (160)

Archaeosomes and Tetraether Lipid Liposome [PDF]

open access: yes, 2012
Archaea have phytanyl ether lipids which is one of the characteristics that separates them from bacteria and eukaryotes. Some archaea have also unique membrane spanning tetrae- ther lipids (T EL); in Sulfolobus and Ihermoplasma species these TELmake up ...
Freisleben, H. (Hans-Joachim)
core   +2 more sources

A Late Miocene Terrestrial Temperature History for the Northeastern Tibetan Plateau's Period of Tectonic Expansion

open access: yesGeophysical Research Letters, 2019
During the Late Miocene, the climate patterns and ecosystems of continental land masses experienced crucial transitions, but whether the principal driver was regional tectonic forcing or a decline in CO2 concentrations remains debated.
Chihao Chen   +7 more
doaj   +1 more source

Highly Stable Liposomes Based on Tetraether Lipids as a Promising and Versatile Drug Delivery System. [PDF]

open access: yesMaterials (Basel), 2022
Hemetsberger A   +5 more
europepmc   +1 more source

A novel proxy for terrestrial organic matter in sediments based on branched and isoprenoid tetraether lipids

open access: yes, 2004
We propose a novel tracer for terrestrial organic carbon in sediments based on the analysis of tetraether lipids using high-performance liquid chromatography/mass spectrometry (HPLC/MS).
Weijers, J.W.H.   +5 more
core  

Onset of long-term cooling of Greenland near the Eocene-Oligocene boundary as revealed by branched tetraether lipids

open access: yes, 2008
The Eocene-Oligocene (E-O) boundary interval is considered to be one of the major transitions in Earth's climate, witnessing the first major expansion of the East Antarctic Ice Sheet. However, the extent of the associated climatic cooling, especially for
Eldrett, J.S.   +21 more
core   +1 more source

Quantitative conversion of diether or tetraether phospholipids to glycerophosphoesters by dealkylation with boron trichloride: a tool for structural analysis of archaebacterial lipids.

open access: yesJournal of Lipid Research, 1988
A method for preparing glycerophosphoesters from ether phospholipids by dealkylation with boron trichloride (BCl3) is described. Treatment of ether phospholipids in chloroform with BCl3 for 30 min at room temperature yielded almost quantitatively the ...
M Nishihara, Y Koga
doaj   +1 more source

The organic geochemistry of glycerol dialkyl glycerol tetraether lipids: A review

open access: yes, 2013
Glycerol dialkyl glycerol tetraether (GDGT) lipids are membrane lipids which were long thought to be synthesized mainly by archaea, organisms thought to be limited to extreme environments. Analysis of environmental samples over the last decade has shown,
Hopmans, E.C.   +2 more
core   +1 more source

Archaeal community composition in Holocene methane pockmarks of the Gdańsk Basin (Baltic Sea, Poland): insights from tetraether lipids and 16S rRNA analysis [PDF]

open access: yesBiogeosciences
Methane pockmarks and shallow gas systems are prominent geomorphological features in the Baltic Sea that act as hotspots of microbial activity. In the Gdańsk Basin, pockmarks vary in gas-seepage intensity and in the extent of freshened porewater ...
I. De Mey-Śnieżyńska   +5 more
doaj   +1 more source

Making drugs safer: improving drug delivery and reducing the side effect of drugs on the human biochemical system

open access: yesNanotechnology Reviews, 2016
Restrategizing becomes inevitable when in trying to proffer solution to a problem, damage in a different form is done. The unintended effects of drugs (side effects) could be leaving behind more damage than the therapeutic effect they are required to ...
Odiba Arome   +4 more
doaj   +1 more source

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