Results 41 to 50 of about 129,945 (270)

Focal mechanisms of small earthquakes beneath the Japanese islands based on first-motion polarities picked using deep learning

Geophysical Journal International, 2020
SUMMARY Knowledge of crustal stress fields is essential for understanding tectonics and earthquake generation. One approach for estimating the crustal stress field is based on the focal mechanisms of earthquakes. This study investigated the focal mechanisms of approximately 110 000 microearthquakes in the area of the Japanese islands ...
openaire   +1 more source

A methionine‐lined active site governs carbocation stabilization and product specificity in a bacterial terpene synthase

FEBS Letters, EarlyView.
This study reveals a unique active site enriched in methionine residues and demonstrates that these residues play a critical role by stabilizing carbocation intermediates through novel sulfur–cation interactions. Structure‐guided mutagenesis further revealed variants with significantly altered product profiles, enhancing pseudopterosin formation. These
Marion Ringel, Carl P. O. Helmer, Shani Zev, Ronja Driller, Emily Buhr, Markus Reinbold, Renana Schwartz, Gabriel Foley, Mikael Boden, Daniel Garbe, Gerhard Schenk, Dan Thomas Major, Bernhard Loll, Thomas Brück   +13 more
wiley   +1 more source

Task-Irrelevant Perceptual Learning Specific to the Contrast Polarity of Motion Stimuli [PDF]

, 2009
Studies of perceptual learning have focused on aspects of learning that are related to early stages of sensory processing. However, conclusions that perceptual learning results in low-level sensory plasticity are of great controversy, largely because ...
Grossberg, Stephen, Pilly, Praveen K., Seitz, Aaron R.   +2 more
core   +1 more source

Infrared laser sampling of low volumes combined with shotgun lipidomics reveals lipid markers in palatine tonsil carcinoma

Molecular Oncology, EarlyView.
Nanosecond infrared laser (NIRL) low‐volume sampling combined with shotgun lipidomics uncovers distinct lipidome alterations in oropharyngeal squamous cell carcinoma (OPSCC) of the palatine tonsil. Several lipid species consistently differentiate tumor from healthy tissue, highlighting their potential as diagnostic markers.
Leonard Kerkhoff, Manuela Moritz, Dennis Eggert, Anna Worthmann, Joerg Heeren, Henrike Zech, Till S. Clauditz, Waldemar Wilczak, Hartmut Schlüter, Christian S. Betz, Arne Böttcher, Jan Hahn   +11 more
wiley   +1 more source

Deriving focal mechanism solutions of small to moderate earthquakes in Sichuan, China via a deep learning method

Earthquake Research Advances
As one of the most seismically active regions, Sichuan basin is a key area of seismological studies in China. This study applies a neural network model with attention mechanisms, simultaneously picking the P-wave arrival times and determining the first ...
Chen Zhang, Ji Zhang, Jie Zhang
doaj   +1 more source

Moving Magnetic Features around a Pore

, 2016
Spectropolarimetric observations from Sunrise II/IMaX obtained in June 2013 are used for a statistical analysis to determine the physical properties of moving magnetic features (MMFs) observed near a pore.
Barthol, P., Gandorfer, A., Gizon, L., Hirzberger, J., Iniesta, J. C. Del Toro, Kaithakkal, A. J., Knölker, M., Lagg, A., Pillet, V. Martínez, Riethmüller, T. L., Rodríguez, J. Blanco, Schmidt, W., Solanki, S. K., Suárez, D. Orozco, vanNoort, M.   +14 more
core   +1 more source

The integration of local chromatic motion signals is sensitive to contrast polarity [PDF]

, 2011
Peer reviewedPublisher ...
ALEXA RUPPERTSBERG, Brainard, JASNA MARTINOVIC, Kaiser, MARCO BERTAMINI, SOPHIE M. WUERGER, STEPHANIE MALEK, Wehrhahn   +7 more
core   +1 more source

Peroxidasin enables melanoma immune escape by inhibiting natural killer cell cytotoxicity

Molecular Oncology, EarlyView.
Peroxidasin (PXDN) is secreted by melanoma cells and binds the NK cell receptor NKG2D, thereby suppressing NK cell activation and cytotoxicity. PXDN depletion restores NKG2D signaling and enables effective NK cell–mediated melanoma killing. These findings identify PXDN as a previously unrecognized immune evasion factor and a potential target to improve
Hsu‐Min Sung, David Bickel, Lena C. M. Krause, Daria Ezeriņa, Christian Ickes, Julian Wojtachnia, Christine S. Gibhardt, Magdalena Shumanska, Khadija Wahni, Andrea Paluschkiwitz, Julia Malo Pueyo, Ekaterina Baranova, Wim Vranken, Hedwig Stanisz, Ioana Stejerean‐Todoran, Michael P. Schön, Joris Messens, Ivan Bogeski   +17 more
wiley   +1 more source

Evidence of Twisting and Mixed-polarity Solar Photospheric Magnetic Field in Large Penumbral Jets: IRIS and Hinode Observations

, 2018
A recent study using {\it Hinode} (SOT/FG) data of a sunspot revealed some unusually large penumbral jets that often repeatedly occurred at the same locations in the penumbra, namely at the tail of a penumbral filament or where the tails of multiple ...
De Pontieu, Bart, Moore, Ronald L., Panesar, Navdeep K., Sterling, Alphonse C., Tarbell, Theodore D., Tiwari, Sanjiv K., Winebarger, Amy R.   +6 more
core   +1 more source

Local processing in neurites of VGluT3- expressing amacrine cells differentially organizes visual information [PDF]

, 2017
Neurons receive synaptic inputs on extensive neurite arbors. How information is organized across arbors and how local processing in neurites contributes to circuit function is mostly unknown.
Amthor, Arnson, Asari, Behrens, Bloomfield, Borghuis, Churchland, Crook, Debanne, Demb, Diamond, Ding, Euler, Franke, Greene, Grienberger, Grimes, Grimes, Grimes, Harvey, Haverkamp, Haverkamp, Helmstaedter, Jacoby, Johnson, Kim, Kim, Kleindienst, Krishnaswamy, Le Martelot, Lee, Lee, Leonardo, London, Losonczy, MacNeil, Madisen, Madisen, Marc, Olveczky, Park, Purgert, Schindelin, Schwartz, Shekhar, Tien, Tien, Vlasits, Vlasits, Wang, Wang, Yonehara, Yoshida, Yuste, Zhang   +54 more
core   +2 more sources