Results 81 to 90 of about 2,549,711 (355)

The Ancylus transgression in the area of Espoo - the first Salpausselkä, southern Finland [PDF]

Bulletin of the Geological Society of Finland, 1987
The extent and age of the Ancylus transgression was studied by means of shore marks in the field, biostratigraphy from 39 bog and lake basins, and radiocarbon determinations in the area of the Salpausselka zone, west of Helsinki, southern Finland.
O. Ristaniemi, G. Glückert
doaj   +1 more source

Vendian age of igneous rocks of the Chamberlain valley area (Northern part of the Wedel Jarlsberg Land, Svalbard Archipelago)

Записки Горного института, 2022
The geological structure, structural relations with the underlying complexes, mineral composition, age and origin of sedimentary-volcanogenic and intrusive formations of the Chamberlain valley area (northern part of the Wedel Jarlsberg Land, Svalbard ...
Aleksandr N. Sirotkin, Aleksandr N. Evdokimov   +1 more
doaj   +1 more source

An empirical test of the theoretical population corrections to the Red Clump absolute magnitude

, 2003
The mean absolute magnitude of the local red clump (RC) is a very well determined quantity due to the availability of accurate HIPPARCOS parallaxes for several hundred RC stars, potentially allowing it to be used as an accurate extra-galactic distance ...
Alves, Alves, Anthony-Twarog, Bertelli, Carlberg, Cayrel de Strobel, Cole, Edvardsson, ESA, Feast, Fernley, Freedman, Girardi, Girardi, Girardi, Gratton, Grocholski, Kassis, Kuchinski, Luck, Maurizio Salaris, McWilliam, Paczyński, Percival, Percival, Perryman, Pietrzyński, Rocha-Pinto, Rocha-Pinto, Salaris, Salaris, Sarajedini, Stanek, Stanek, Stetson, Susan M. Percival, Tolstoy, Twarog, Twarog, Twarog, Udalski, Udalski   +41 more
core   +2 more sources

K dwarfs and the chemical evolution of the Solar cylinder [PDF]

, 2002
K-dwarfs have life-times older than the present age of the Galactic disc, and are thus ideal stars to investigate the disc's chemical evolution. We have developed several photometric metallicity indicators for K dwarfs, based an a sample of accurate ...
Chiappini, C., Flynn, C., Kotoneva, E., Matteucci, F.   +3 more
core   +2 more sources

Circular RNA expression landscapes in myelodysplastic neoplasms: Associations with mutational signatures and disease progression

Molecular Oncology, EarlyView.
In this explorative study, the abundance of circular RNA molecules in bone marrow stem cells was found to be elevated in patients with high‐risk myelodysplastic neoplasms, and to be associated with an increased risk of progression to acute myeloid leukemia.
Eileen Wedge, Morten Tulstrup, Gabriele Todisco, Pedro Moura, Christophe Côme, Jakob Werner Hansen, Jakob Schmidt Jespersen, Balthasar Schlotmann, Maria Creignou, Mette Dahl, Claudia Schöllkopf, Klas Raaschou‐Jensen, Krister Wennerberg, Bo Porse, Joachim Weischenfeldt, Eva Hellström‐Lindberg, Lasse Sommer Kristensen, Kirsten Grønbæk   +17 more
wiley   +1 more source

The biostratigraphy of sediments deposited in the Lake Kaali meteorite impact structure, Saaremaa island, Estonia [PDF]

Bulletin of the Geological Society of Finland, 1991
The results of lithological, biostratigraphical and chronostratigraphical studies on the Lake Kaali meteorite impact structure, Estonia (lat 58°22' N, long 22°40' E) are discussed. Two pollen diagrams and 18 radiocarbon dates from different materials are
L. Saarse, R. Rajamäe, A. Heinsalu, J. Vassiljev   +3 more
doaj   +1 more source

Interpreting the dependence of mutation rates on age and time [PDF]

, 2015
Mutations can arise from the chance misincorporation of nucleotides during DNA replication or from DNA lesions that are not repaired correctly. We introduce a model that relates the source of mutations to their accumulation with cell divisions, providing
Gao, Ziyue, Przeworski, Molly, Sella, Guy, Wyman, Minyoung J.   +3 more
core   +5 more sources

Genetic attenuation of ALDH1A1 increases metastatic potential and aggressiveness in colorectal cancer

Molecular Oncology, EarlyView.
Aldehyde dehydrogenase 1A1 (ALDH1A1) is a cancer stem cell marker in several malignancies. We established a novel epithelial cell line from rectal adenocarcinoma with unique overexpression of this enzyme. Genetic attenuation of ALDH1A1 led to increased invasive capacity and metastatic potential, the inhibition of proliferation activity, and ultimately ...
Martina Poturnajova, Zuzana Kozovska, Ondrej Pos, Kristina Pavlov, Sachin Gulati, Peter Makovicky, Kristina Jakic, Monika Burikova, Eva Sedlackova, Barbora Svitkova, Silvia Tyciakova, Vojtech Bystry, Nicolas Blavet, Boris Tichy, Matej Hrnciar, Jaroslav Budis, Miroslav Tomas, Peter Dubovan, Georgina Kolnikova, Veronika Repaska, Nikoleta Mojzesova, Eva Zomborska, Daniel Pindak, Michal Mego, Tomas Szemes, Miroslava Matuskova   +25 more
wiley   +1 more source

Miocene Slănic Tuff, Eastern Carpathians, Romania, in the Context of Badenian Salinity Crisis

Geosciences, 2018
New geochronological investigations for the Slănic Formation, correlated with previous bio- and lithostratigaphical information, allow for a better succession of events for the Middle Miocene, including the absolute age of the Badenian salinity crisis in
Ana-Voica Bojar, Victor Barbu, Artur Wojtowicz, Hans-Peter Bojar, Stanisław Hałas, Octavian G. Duliu   +5 more
doaj   +1 more source

Tectono-metamorphic evolution and timing of the melting processes in the Svecofennian Tonalite-Trondhjemite Migmatite Belt: An example from Luopioinen, Tampere area, southern Finland [PDF]

Bulletin of the Geological Society of Finland, 1999
The Svecofennian Orogen is in southern Finland characterized by two major migmatite belts. These are the so-called Granite Migmatite Belt, in which Kfs-rich leucosomes predominate, and the Tonalite-Trondhjemite Migmatite Belt, which is characterized by ...
H. Mouri, K. Korsman, H. Huhma
doaj   +1 more source