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  • Other Sources  (19)
  • American Chemistry Society  (8)
  • Am. Geophys. Un. & Geol. Soc. Am.  (6)
  • American Geophysical Union (AGU)
  • American Meteorological Society (AMS)
  • Annual Reviews
  • Wiley-Blackwell
  • 2005-2009  (12)
  • 1980-1984  (7)
  • 2006  (12)
  • 1980  (7)
  • 1
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    Am. Geophys. Un. & Geol. Soc. Am.
    In:  Professional Paper, Dynamics of Plate Interiors, Boulder, Colorado, Am. Geophys. Un. & Geol. Soc. Am., vol. 1, no. 16, pp. 155-162, (ISBN 0080419208)
    Publication Date: 1980
    Keywords: Crustal deformation (cf. Earthquake precursor: deformation or strain) ; Geodesy ; Instruments
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  • 2
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    Am. Geophys. Un. & Geol. Soc. Am.
    In:  Bull., Polar Proj. OP-O3A4, Dynamics of Plate Interiors, Boulder, Colorado, Am. Geophys. Un. & Geol. Soc. Am., vol. 1, no. 4, pp. 99-110, (ISBN 0080419208)
    Publication Date: 1980
    Keywords: Tectonics ; Modelling ; Crustal deformation (cf. Earthquake precursor: deformation or strain)
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  • 3
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    Am. Geophys. Un. & Geol. Soc. Am.
    In:  Dynamics of Plate Interiors, Boulder, Colorado, Am. Geophys. Un. & Geol. Soc. Am., vol. 1, pp. 53-72
    Publication Date: 1980
    Keywords: Plate tectonics ; EUROPROBE (Geol. and Geophys. in eastern Europe) ; GeodesyY
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  • 4
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    Am. Geophys. Un. & Geol. Soc. Am.
    In:  Dynamics of Plate Interiors, Boulder, Colorado, Am. Geophys. Un. & Geol. Soc. Am., vol. 1, no. 16, pp. 5-20, (ISBN 0080419208)
    Publication Date: 1980
    Keywords: Review article ; rifting ; Crustal deformation (cf. Earthquake precursor: deformation or strain)
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  • 5
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    Am. Geophys. Un. & Geol. Soc. Am.
    In:  Professional Paper, Dynamics of Plate Interiors, Boulder, Colorado, Am. Geophys. Un. & Geol. Soc. Am., vol. 1, no. 16, pp. 27-36, (ISBN 0080419208)
    Publication Date: 1980
    Keywords: Crustal deformation (cf. Earthquake precursor: deformation or strain) ; Plate tectonics ; Elasticity
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  • 6
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    Am. Geophys. Un. & Geol. Soc. Am.
    In:  Professional Paper, Open-File Rept., Dynamics of Plate Interiors, Boulder, Am. Geophys. Un. & Geol. Soc. Am., vol. 1, no. 16, pp. 21-26, (ISBN 0080419208)
    Publication Date: 1980
    Keywords: Modelling ; rift ; Tectonics ; Geol. aspects
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  • 7
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    American Geophysical Union (AGU)
    In:  Geophysical Research Letters, 7 (10). pp. 797-800.
    Publication Date: 2020-07-30
    Description: The rate of reaction of OH with CS2 to form OCS by reaction (1) has been measured through observation of O14CS following 254 nm equation image photolysis of mixtures of H2O2 with 14CS2. The OH concentrations have been monitored through simultaneous measurement in the same cell of either (a) the oxidation of CO to CO2, or (b) the removal of a hydrocarbon such as C3H8 or iso-C4H10. The upper limit for the formation of OCS based on (a) corresponds to a rate constant k1 〈 0.3 × 10−14 cm³ molecule−1 sec−1. Other chemical reactions in the system have led to the formation of both 14CO and 14CO2, indicating the existence of a complex combination of reactions such that the observed O14CS need not have been formed by (1). The rate of reaction (1) is sufficiently slow that it is neither an important atmospheric sink for CS2 nor an important source for atmospheric OCS. The reaction of OH with OCS has not been measured in these experiments, but by analogy with k1 it is probably not an important atmospheric sink for OCS nor an important source of SO2.
    Type: Article , PeerReviewed
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  • 8
    Publication Date: 2017-12-19
    Description: This paper presents an event stratigraphy based on data documenting the history of vegetation cover, lake-level changes and fire frequency, as well as volcanic eruptions, over the Last Glacial–early Holocene transition from a terrestrial sediment sequence recovered at Lake Accesa in Tuscany (north-central Italy). On the basis of an age–depth model inferred from 13 radiocarbon dates and six tephra horizons, the Oldest Dryas–Bølling warming event was dated to ca. 14 560 cal. yr BP and the Younger Dryas event to ca. 12 700–11 650 cal. yr BP. Four sub-millennial scale cooling phases were recognised from pollen data at ca. 14 300–14 200, 13 900–13 700, 13 400–13 100 and 11 350–11 150 cal. yr BP. The last three may be Mediterranean equivalents to the Older Dryas (GI-1d), Intra-Allerød (GI-1b) and Preboreal Oscillation (PBO) cooling events defined from the GRIP ice-core and indicate strong climatic linkages between the North Atlantic and Mediterranean areas during the last Termination. The first may correspond to Intra-Bølling cold oscillations registered by various palaeoclimatic records in the North Atlantic region. The lake-level record shows that the sub-millennial scale climatic oscillations which punctuated the last deglaciation were associated in central Italy with different successive patterns of hydrological changes from the Bølling warming to the 8.2 ka cold reversal. Copyright © 2006 John Wiley & Sons, Ltd.
    Type: Article , PeerReviewed
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  • 9
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    American Chemistry Society
    In:  Journal of Natural Products, 69 . pp. 1389-1393.
    Publication Date: 2018-04-03
    Description: Six new linear peptides, pterulamides I−VI (1−6), were isolated from the fruiting bodies of a Malaysian Pterula species. The structures were elucidated by MS and 2D NMR experiments, and the absolute configurations of the constituent amino acids established using Marfey's method. The pterulamides are mainly assembled from nonpolar N-methylated amino acids and, most interestingly, have non-amino-acid N-terminal groups, among them the unusual cinnamoyl, (E)-3-methylsulfinylpropenoyl, and (E)-3-methylthiopropenoyl groups. Furthermore, pterulamides I−V are the first natural peptides with a methylamide C-terminus. Pterulamides I and IV are cytotoxic against the P388 cell line with IC50 values of 0.55 and 0.95 μg/mL (0.79 and 1.33 μM), respectively.
    Type: Article , PeerReviewed
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  • 10
    Publication Date: 2015-08-25
    Description: Secretions from the paracloacal glands of alligators (Alligator spp.) and caimans (Caiman spp., Melanosuchus niger, and Paleosuchus spp.) were examined by GC-MS. The secretions of the common caiman (C. crocodilus), the broad-snouted caiman (C. latirostris), the yacare caiman (C. yacare), the dwarf caiman (P. palpebrosus), and the smooth-fronted caiman (P. trigonatus) yielded a new family of 43 aliphatic carbonyl compounds that includes aldehydes, ketones, and β-diketones with an ethyl branch adjacent to the carbonyl group. The identification of these glandular components and the syntheses and stereochemical investigations of selected compounds are described.
    Type: Article , PeerReviewed
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  • 11
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    Wiley-Blackwell
    In:  Geofluids, 6 . pp. 241-250. Date online first: 2006
    Publication Date: 2017-08-02
    Description: Groundwater seeps are known to occur in Eckernförde Bay, Baltic Sea. Their discharge rate and dispersion were investigated with a new schlieren technique application, which is able to visualize heterogeneous water parcels with density anomalies down to Drt ¼ 0.049 on the scale of millimeters. With the use of an inverted funnel, discharged fluids can be captured and the outflow velocity can be determined. Overall, 46 stations could be categorized by three different cases: active vent sites, seep-influenced sites, and non-seep sites. New seep locations were discovered, even at shallow near-shore sites, lacking prominent sediment depression, which indicate submarine springs. The detection of numerous seeps was possible and the groundwater-influenced area was defined to be approximately 6.3 km2. Flow rates of between 0.05 and 0.71 l m)2 min)1 were measured. A single focused fluid plume, which was not disturbed by the funnel was recorded and revealed a flux of 59.6 ± 20 ml cm)2 min)1 and it was calculated that this single focused plume would be strong enough to produce a flow rate through the funnel of 1.32 ± 0.44 l m)2 min)1. The effect of different seep-meter funnel sizes is discussed.
    Type: Article , PeerReviewed
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  • 12
    Publication Date: 2018-04-30
    Description: Using HPLC/microtiter-plate-based generation of activity profiles the extract of a marine alga-derived fungus, identified as Gliocladium sp., was shown to contain the known strongly cytotoxic metabolite 4-keto-clonostachydiol (1) and also clonostachydiol (2) as well as gliotide (3), a new cyclodepsipeptide containing several d-amino acids. The absolute configuration of 1 was elucidated by reduction to 2, and two further oxidized derivatives of clonostachydiol (5, 6) were prepared and evaluated for biological activity.
    Type: Article , PeerReviewed
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  • 13
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    American Chemistry Society
    In:  Chemical Reviews, 106 (11). pp. 4585-4621.
    Publication Date: 2020-07-27
    Type: Article , PeerReviewed
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  • 14
    Publication Date: 2014-08-21
    Description: After the discovery of a potent natural flavonoid glucoside as a potent inhibitor of FabI, a large flavonoid library was screened against three important enzymes (i.e., FabG, FabZ, and FabI) involved in the fatty acid biosynthesis of P. falciparum. Although flavones with a simple hydroxylation pattern (compounds 4−9) showed moderate inhibitory activity toward the enzymes tested (IC50 10−100 μM), the more complex flavonoids (12−16) exhibited strong activity toward all three enzymes (IC50 0.5−8 μM). Isoflavonoids 26−28 showed moderate (IC50 7−30 μM) but selective activity against FabZ. The most active compounds were C-3 gallic acid esters of catechins (32, 33, 37, 38), which are strong inhibitors of all three enzymes (IC50 0.2−1.1 μM). Kinetic analysis using luteolin (12) and (−)-catechin gallate (37) as model compounds revealed that FabG was inhibited in a noncompetitive manner. FabZ was inhibited competitively, whereas both compounds behaved as tight-binding noncompetitive inhibitors of FabI. In addition, these polyphenols showed in vitro activity against chloroquine-sensitive (NF54) and -resistant (K1) P. falciparum strains in the low to submicromolar range.
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  • 15
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    Wiley-Blackwell
    In:  Journal of Quaternary Science, 21 (6). pp. 645-675.
    Publication Date: 2018-10-22
    Description: Intra‐plate volcanism in western Europe shows statistically significant episodicity during the Quaternary period. By comparing the known ages for eruptions in France and Germany, which are compiled here, with a composite oxygen isotope record, we have investigated the link between this episodic volcanism and the climate record over the last two million years. We show that increased volcanism between 415–400 ka and 17–5 ka correlates with warming phases at the end of the last Weichselian (Devensian) and earlier Elsterian (Anglian) glacial stages. The three significant caldera explosions in the eastern Eifel, Germany, are all associated with warming phases at the onset of interglacials. The growth and decay of nearby ice sheets suggest that surface changes in continental mass distribution during glacial Milankovich cycles could provide a mechanism for this correlation by means of the distal effects of flexural loading on the lithosphere.
    Type: Article , PeerReviewed
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  • 16
    Publication Date: 2018-04-30
    Description: A new cyclic pentapeptide, chrysosporide (1), was isolated from a New Zealand sample of the mycoparasitic fungus Sepedonium chrysospermum by bioactivity-guided fractionation. The planar structure was deduced by detailed spectroscopic analysis, and the absolute configurations of the amino acid residues were defined by Marfey's method. As both enantiomers of Leu occurred in chrysosporide, molecular mechanics calculations were applied to the analysis to distinguish between the possible structural isomers. Only the lowest energy conformers of the cyclo-(l-Val-d-Ala-l-Leu-l-Leu-d-Leu) isomer were in agreement with the observed NOEs, suggesting that this was the most probable amino acid sequence for chrysosporide (1).
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  • 17
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    Wiley-Blackwell
    In:  Journal of Fish Biology, 67 . pp. 1585-1602.
    Publication Date: 2017-09-14
    Description: The seasonal growth trajectories of wild Atlantic salmon Salmo salar juveniles by age group within the Margaree River, Canada, are described. Circuli counts from scales were used to infer growth rates at different ages and these were used to predict the proportions of age 2‐ and 3‐year old smolts from different portions of the watershed. In the wild Atlantic salmon juveniles from the Margaree River, there was no bimodality in fork length frequencies and no 1 year old smolts were produced. Water temperature differences during the growing season were insufficient to explain the differences in growth rates and size at age among the sites sampled. There was a positive association between the growth rate in the first year and the subsequent age at smoltification. In the Margaree River, differences in tributary specific growth rates and size at age were expected to produce important differences in the relative ages at smoltification.
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  • 18
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    American Chemistry Society
    In:  Journal of Natural Products, 69 . pp. 151-153.
    Publication Date: 2018-04-03
    Description: An unusual oxalylated tetramic acid, pachydermin (1), has been isolated from the New Zealand basidiomycete Chamonixia pachydermis. The full structure, which was not directly accessible by NMR methods, was deduced from that of a degradation product, 5-(3-chloro-4-hydroxybenzylidene)tetramic acid (2). The degradation product 2 exhibited mild antibacterial activity against Bacillus subtilis.
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  • 19
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    American Chemistry Society
    In:  Chemical Reviews, 106 (3). pp. 940-975.
    Publication Date: 2016-12-01
    Type: Article , PeerReviewed
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