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Theoretical evidence of the CO reduction by a Mo-based complex: a DFT study based on the reaction force decomposed into four components.
J Mol Model
March 2025
Departamento de Ciencias Químicas, Facultad de Ciencias Exactas, Universidad Andres Bello (UNAB), Av. República 275, Santiago, 8370146, Región Metropolitana, Chile.
Context: The conversion of carbon dioxide into methanoic acid through direct hydrogenation with H in the gas phase implies overcoming a high activation energy (more than 60 kcal mol ) that makes the process kinetically infeasible. In this study, the use of the [(PY Me )Mo(III)(H)(OH)] complex instead of H lowered the activation energy of the hydrogenation by 98.5%.
View Article and Find Full Text PDFEGFR-HER2 Transactivation Viewed in Space and Time Through the Versatile Spectacles of Imaging Cytometry-Implications for Targeted Therapy.
Cytometry A
March 2025
Department of Biophysics and Cell Biology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary.
Ligand-induced formation of signaling platforms composed of homo- and/or heterodimers of receptor tyrosine kinases is considered essential for their activation and consequential contribution to the progression of many cancers. Epidermal Growth Factor Receptor (EGFR) acts as a signal receiver upon EGF binding and produces mitogenic input for many cells also through receptor-heterodimerization with its ligandless partner, Human Epidermal growth factor Receptor 2 (HER2). Ligand-driven transactivation is a key step leading to changes in the cell surface pattern of EGFR and HER2; their interaction plays a key role in various malignancies, especially when HER2 molecules are overexpressed.
View Article and Find Full Text PDFEEG Emotion Recognition Supervised by Temporal Features of Video Stimuli.
Annu Int Conf IEEE Eng Med Biol Soc
July 2024
Different types of video stimuli can activate different reactions in the human brain and these signals can be captured and analyzed for emotion recognition applications. However, accurate recognition across subjects is still challenging due to non-stationary and low signal-to-noise ratio of EEG signals. Lying at the intersection of video content analysis, we make an attempt to supervise EEG features with the external evoked video features.
View Article and Find Full Text PDFFinding the best column for polar basic analytes across reversed-phase and hydrophilic interaction liquid chromatography.
Heliyon
February 2025
MS Metabolomics Research Laboratory, Centre for Structural Science, Hungarian Research Network (HUN-REN), Magyar tudósok körútja 2, H-1117 Budapest, Hungary.
Background: The chromatographic measurement of polar molecules is often surprisingly complicated. On the one hand, the standard experiments use C18 columns, which is usually unsuitable. On the other hand, these types of molecules can behave vastly differently despite their similarities.
View Article and Find Full Text PDFA spherical code of retinal orientation selectivity enables decoding in ensembled and retinotopic operation.
Cell Rep
February 2025
Department of Medical Neurobiology, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem 9112102, Israel. Electronic address:
Selectivity to orientations of edges is seen at the earliest stages of visual processing in retinal orientation-selective ganglion cells (OSGCs), which are thought to prefer vertical or horizontal orientation. However, because stationary edges are projected on the hemispherical retina as lines of longitude or latitude, how edge orientation is encoded and decoded by the brain is unknown. Here, by mapping the orientation selectivity (OS) of thousands of OSGCs at known retinal locations in mice, we identify three OSGC types whose preferences match two longitudinal fields and a fourth type matching two latitudinal fields, with the members of each field pair being non-orthogonal.
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