Results 1 to 10 of about 5,366 (126)

An Optimized Workflow for the Discovery of New Antimicrobial Compounds Targeting Bacterial RNA Polymerase Complex Formation [PDF]

open access: yesAntibiotics, 2022
Bacterial resistance represents a major health problem worldwide and there is an urgent need to develop first-in-class compounds directed against new therapeutic targets.
Alessia Caputo   +14 more
doaj   +2 more sources

La terrasse Mitis à la pointe de Mille-Vaches (péninsule de Portneuf), rive nord de l’estuaire maritime du Saint-Laurent : nature des dépôts et évolution du niveau marin relatif à l’holocène [PDF]

open access: yesGéographie physique et Quaternaire, 2006
La basse terrasse à l’extrémité sud-ouest de la péninsule de Portneuf, sur la Haute Côte-Nord du Saint-Laurent, correspond à la terrasse Mitis présente dans quelques autres localités de la rive nord de l’estuaire. Entièrement composée de matériaux meubles détritiques, elle comprend plusieurs unités, la plupart sableuses, d’une épaisseur supérieure à 3 ...
Dionne, Jean-Claude   +2 more
openaire   +5 more sources

Accuracy assessment of global internal-tide models using satellite altimetry [PDF]

open access: yesOcean Science, 2021
Altimeter measurements are corrected for several geophysical parameters in order to access ocean signals of interest, like mesoscale or sub-mesoscale variability.
L. Carrere   +12 more
doaj   +1 more source

Palaeoceanographic and hydrodynamic variability for the last 47 kyr in the southern Gulf of Cádiz (Atlantic Moroccan margin): Sedimentary and climatic implications

open access: yesThe Depositional Record, 2023
X‐ray fluorescence, grain‐size and oxygen and carbon stable isotope measurements of a 33 m long piston core, recovered from the Pen Duick drift located at the foot of the prominent Pen Duick Escarpment (Atlantic Moroccan margin), are combined to decipher
Thomas Vandorpe   +7 more
doaj   +1 more source

Deep-water coral records of glacial and recent ocean-atmosphere dynamics from the Perth Canyon in the southeast Indian Ocean

open access: yesQuaternary Science Advances, 2022
We present radiocarbon and neodymium isotope records from accurately dated (U-series) live and fossil (
Julie A. Trotter   +6 more
doaj   +1 more source

Effect of carbonate ion concentration and irradiance on calcification in planktonic foraminifera [PDF]

open access: yesBiogeosciences, 2010
The effect of carbonate ion concentration ([CO32−]) on calcification rates estimated from shell size and weight was investigated in the planktonic foraminifera Orbulina universa and Globigerinoides sacculifer. Experiments on G.
F. Lombard   +3 more
doaj   +1 more source

Die bisherigen Ergebnisse von C14-Messungen und paläolithischen Untersuchungen für die Gliederung und Chronologie des Jungpleistozäns in Mitteleuropa und den Nachbargebieten [PDF]

open access: yesEiszeitalter und Gegenwart, 1958
Das Letzte Interglazial (Riß/Würm oder Warthe/Weichsel = Eem-Interglazial) ist pollenanalytisch und durch die marine Eem-Fauna, auf dem Lande durch die letzte Antiquus- und Banatica-Fauna.
H. Gross
doaj   +1 more source

Particulate organic matter controls benthic microbial N retention and N removal in contrasting estuaries of the Baltic Sea [PDF]

open access: yesBiogeosciences, 2019
Estuaries worldwide act as “filters” of land-derived nitrogen (N) loads, yet differences in coastal environmental settings can affect the N filter function.
I. Bartl   +6 more
doaj   +1 more source

Transfer of environmental signals from the surface to the underground at Ascunsă Cave, Romania [PDF]

open access: yesHydrology and Earth System Sciences, 2017
We present here the results of a 4-year environmental monitoring program at Ascunsă Cave (southwestern Romania) designed to help us understand how climate information is transferred through the karst system and archived by speleothems.
V. Drăguşin   +13 more
doaj   +1 more source

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