Results 111 to 120 of about 6,212,625 (297)

Modelling Spikes with Mixtures of Factor Analysers

, 2004
Identifying the action potentials of individual neurons from extracellular recordings, known as spike sorting, is a challenging problem. We consider the spike sorting problem using a generative model, mixtures of factor analysers, which concurrently performs clustering and feature extraction.
Görür, D., Rasmussen, C., Tolias, A., Sinz, F., Logothetis, N.   +4 more
openaire   +3 more sources

A Comparative Study of Cerebral Oxygenation During Exercise in Hemodialysis and Peritoneal Dialysis Patients

Therapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Introduction Cognitive impairment and exercise intolerance are common in dialysis patients. Cerebral perfusion and oxygenation play a major role in both cognitive function and exercise execution; HD session per se aggravates cerebral ischemia in this population. This study aimed to compare cerebral oxygenation and perfusion at rest and in mild
Marieta P. Theodorakopoulou, Konstantina Dipla, Danai Faitatzidou, Fotini Iatridi, Areti Georgiou, Artemios Karagiannidis, Erasmia Sampani, Chrysostomos Dimitriadis, Aggelos Koutlas, Andreas Zafeiridis, Pantelis Sarafidis   +10 more
wiley   +1 more source

Predicting the Future Burden of Renal Replacement Therapy in Türkiye Using National Registry Data and Comparative Modeling Approaches

Therapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Chronic kidney disease is a growing public health problem worldwide, and the number of patients requiring renal replacement therapy is steadily increasing. Türkiye has experienced a similar rise in both the incidence and prevalence of renal replacement therapy over the past decades; however, national‐level projections of future ...
Arzu Akgül, Neriman Sıla Koç, Berrak Itır Aylı   +2 more
wiley   +1 more source

Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM

FEBS Letters, EarlyView.
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley   +1 more source

Mapping the evolution of mitochondrial complex I through structural variation

FEBS Letters, EarlyView.
Respiratory complex I (CI) is crucial for bioenergetic metabolism in many prokaryotes and eukaryotes. It is composed of a conserved set of core subunits and additional accessory subunits that vary depending on the organism. Here, we categorize CI subunits from available structures to map the evolution of CI across eukaryotes. Respiratory complex I (CI)
Dong‐Woo Shin, Tingting Chen, James A. Letts   +2 more
wiley   +1 more source

Persian Mentalized Affectivity Scale (MAS): Reliability, Validity, and Cultural Considerations

Brain and Behavior
Introduction Mentalization and emotion regulation are increasingly recognized as key factors in the development and persistence of psychological disorders.
Fateme Jafarpoor, Elmira Shayegh, Parvin Haghjoo, Saeed Ghanbari   +3 more
doaj   +1 more source

Factor-GMM Estimation with Large Sets of Possibly Weak Instruments [PDF]

This paper analyses the use of factor analysis for instrumental variable estimation when the number of instruments tends to infinity. We consider cases where the unobserved factors are the optimal instruments but also cases where the factors are not ...
George Kapetanios, Massimiliano Marcellino   +1 more
core  

Enteropathogenic E. coli shows delayed attachment and host response in human jejunum organoid‐derived monolayers compared to HeLa cells

FEBS Letters, EarlyView.
Enteropathogenic E. coli (EPEC) infects the human intestinal epithelium, resulting in severe illness and diarrhoea. In this study, we compared the infection of cancer‐derived cell lines with human organoid‐derived models of the small intestine. We observed a delayed in attachment, inflammation and cell death on primary cells, indicating that host ...
Mastura Neyazi, Pilar Samperio Ventayol, Natalie Burkard, Nicolas Schlegel, Carmen Aguilar, Sina Bartfeld   +5 more
wiley   +1 more source

A Systematic Review and Meta-Analysis of Bovine Pestivirus Prevalence and Associated Risk Factors in Latin America

Pathogens
Bovine pestiviruses, namely bovine viral diarrhea virus (BVDV) and HoBi-like pestiviruses (HoBiPevs), are endemic viruses in Latin America, and the disease causes significant losses in the agricultural sector.
Blanca Lisseth Guzmán Barragán, Isac Roman, Yessica Lorena Guzmán, Fernando Vicosa Bauermann   +3 more
doaj   +1 more source

Charge-density waves in the Hubbard chain: evidence for 4k_F instability

, 2000
Charge density waves in the Hubbard chain are studied by means of finite-temperature Quantum Monte Carlo simulations and Lanczos diagonalizations for the ground state.
C.H. Chen, C.H. Chen, D. Jérome, D. Jérome, E. Dagotto, E. Gagliano, E. Gagliano, H. Frähm, H.H. Roomany, H.J. Schulz, J. Solyom, J. Voit, J.E. Hirsch, J.E. Hirsch, J.E. Hirsch, J.E. Hirsch, J.E. Hirsch, J.P. Pouget, K.C. Ung, M. Ogata, R. Blankenbecler, R.M. Noack, Raimundo R. dos Santos, S. Daul, Thereza Paiva, W. von der Linden   +25 more
core   +1 more source