Search Results - "Hopmans, E.C."
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Environmental controls on branched tetraether lipid distributions in tropical East African lake sediments
Published in Geochimica et cosmochimica acta (01-09-2010)“…Quantifying past continental temperature changes is an important aspect of paleoclimate research as it allows us to constrain the amplitude of natural…”
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Archaeal lipids in Mediterranean cold seeps: molecular proxies for anaerobic methane oxidation
Published in Geochimica et cosmochimica acta (01-05-2001)“…We investigated the distributions and δ 13C values of biomarkers for Archaea associated with anaerobic methane oxidation in disparate settings throughout two…”
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Biomarker and 16S rDNA evidence for anaerobic oxidation of methane and related carbonate precipitation in deep-sea mud volcanoes of the Sorokin Trough, Black Sea
Published in Marine geology (30-05-2005)“…Many mud volcanoes were recently discovered in the euxinic bottom waters of the Sorokin Trough (NE Black Sea). Three of them, i.e., NIOZ, Odessa, and Kazakov,…”
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Seasonal and multi-annual variation in the abundance of isoprenoid GDGT membrane lipids and their producers in the water column of a meromictic equatorial crater lake (Lake Chala, East Africa)
Published in Quaternary science reviews (01-12-2021)“…Isoprenoid glycerol dialkyl glycerol tetraethers (isoGDGTs) are membrane lipids of Archaea. Organic biomarker proxies associated with these lipids, such as the…”
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Lysine and novel hydroxylysine lipids in soil bacteria: amino acid membrane lipid response to temperature and pH in Pseudopedobacter saltans
Published in Frontiers in microbiology (2015)“…Microbial decomposition of organic matter is an essential process in the global carbon cycle. The soil bacteria Pseudopedobacter saltans and Flavobacterium…”
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Distribution of long chain heterocyst glycolipids in cultures of the thermophilic cyanobacterium Mastigocladus laminosus and a hot spring microbial mat
Published in Organic geochemistry (01-03-2013)“…► Long chain (C30 and C32) heterocyst glycolipids (HGs) occur in an Icelandic hot spring microbial mat. ► First report of these long chain HGs in the…”
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Structural characterization of diabolic acid-based tetraester, tetraether and mixed ether/ester, membrane-spanning lipids of bacteria from the order Thermotogales
Published in Archives of microbiology (01-12-2007)“…The distribution of core lipids in the membranes of nine different species of the order Thermotogales, one of the early and deep branching lineages in the…”
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A 400-year record of environmental change in an euxinic fjord as revealed by the sedimentary biomarker record
Published in Palaeogeography, palaeoclimatology, palaeoecology (2004)“…A 400-year sedimentary record of the euxinic Kyllaren Fjord was investigated using organic biogeochemical, geochemical and sedimentological approaches…”
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Molecular organic tracers of biogeochemical processes in a saline meromictic lake (Ace Lake)
Published in Geochimica et cosmochimica acta (01-05-2001)“…The chemical structures, distribution and stable carbon isotopic compositions of lipids in a sediment core taken in meromictic Ace Lake (Antarctica) were…”
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Pre- and post-industrial environmental changes as revealed by the biogeochemical sedimentary record of Drammensfjord, Norway
Published in Marine geology (30-01-2005)“…The biogeochemical sedimentary record of the anoxic Drammensfjord, Norway, was investigated on a decadal to centennial time scale over the last millennium, in…”
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Detection of fumonisins B1, B2, and B3 and hydrolyzed fumonisin B1 in corn-containing foods
Published in Journal of agricultural and food chemistry (01-10-1993)“…Selected corn-containing foods were analyzed for the presence of fumonisins B1, B2, and B3 (FB1, FB2, and FB3) and hydrolyzed fumonisin B1 (HFB1). Samples were…”
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Reaction with Fructose Detoxifies Fumonisin B1 while Stimulating Liver-Associated Natural Killer Cell Activity in Rats
Published in Journal of agricultural and food chemistry (17-03-1997)“…Fumonisin B1 (FB1) was reacted with fructose in an attempt to detoxify this mycotoxin. Fischer 344/N rats were initiated with diethylnitrosamine (15 mg/kg body…”
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Excretion of Fumonisin B1, Hydrolyzed Fumonisin B1, and the Fumonisin B1−Fructose Adduct in Rats
Published in Journal of agricultural and food chemistry (16-07-1997)“…The excretion of fumonisin B1 (FB1), hydrolyzed FB1 (HFB1), and FB1−fructose addition products (FB1−fructose) was determined in male Fisher 344/NHsd rats. Rats…”
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