Results 211 to 220 of about 202,312 (273)

Pig Seminal Plasma Extracellular Vesicles Enhance Motility During Preservation of Epididymal Spermatozoa but Impair Capacitation and IVF Parameters

Andrology, EarlyView.
ABSTRACT Background Extracellular vesicles (EVs) produced by accessory sex glands play a key role in sperm functionality, influencing motility, viability, acrosome integrity, metabolic activity, and capacitation. Most studies on the effects of EVs on spermatozoa have focused on ejaculated spermatozoa, which have already been exposed to their own native
Ana Moya‐Fernández, Santa María Toledo‐Guardiola, Peter Silke, Sergio Navarro‐Serna, Carmen Matás   +4 more
wiley   +1 more source

Fractional Brownian motion analysis for epidemic spreading of diseases

, 2021
Lima L.
europepmc   +1 more source

Magnetic Resonance Imaging Evaluation of Functional Differences Between In Vivo Human Kidneys and Discarded Human Kidneys During Ex Vivo Normothermic Machine Perfusion

Artificial Organs, EarlyView.
Comparative MRI of in vivo kidneys and ex vivo donor kidneys during NMP revealed marked physiological differences and limited correspondence with conventional perfusion or injury metrics. These distinct ex vivo MRI signatures emphasize the need to consider parameters beyond conventional in vivo functional markers when assessing organ viability during ...
Tim L. Hamelink, Chris L. Jaynes, L. Annick van Furth, Johannes Castelein, Nathan Ooms, Veerle A. Lantinga, Baran Ogurlu, Xiaopeng Zhou, Ulrike Dydak, Henri G. D. Leuvenink, Anna Krarup Keller, Ronald J. H. Borra, Cyril Moers   +12 more
wiley   +1 more source

Terrain Synthesis and Authoring based on Iso‐Contours

Computer Graphics Forum, EarlyView.
Abstract Digital terrains are central to realistic landscape depiction, yet authoring tools must balance perceptual realism with intuitive artistic control. We propose a compact vector‐based representation that models terrain as nested iso‐contours, inspired by geomorphology and cartography.
B. Huftier, H. Schott, E. Galin, O. Argudo, A. Peytavie, E. Guérin   +5 more
wiley   +1 more source

Bayesian two-stage modeling of longitudinal and time-to-event data with an integrated fractional Brownian motion covariance structure. [PDF]

Biometrics
Palipana A, Song S, Gupta N, Szczesniak R.   +3 more
europepmc   +1 more source

Ecological and functional effects of habitat conversion and seasons on fruit‐feeding butterfly assemblages in tropical dry forests Efeitos ecológicos e funcionais da conversão do habitat e da sazonalidade sobre assembleias de borboletas frugívoras em florestas tropicais secas

Ecological Entomology, EarlyView.
Land‐use change and seasonality shape the taxonomic, functional and phylogenetic diversity of fruit‐feeding butterflies in tropical dry forests. Pastures reduce phylogenetic diversity and increase wing fluctuating asymmetry, while taxonomic and functional diversity is greater in the wet season than in the dry season.
João Rafael S. Macêdo, Gabriela A. Silva, Lourival S. Santos‐Jr, Marina V. Beirão, Geraldo B. Freire‐Jr, Bianca S. D. Nascimento, Uriel J. A. Pinto, Vini Gbami Silva Ferreira, Jhonathan O. Silva   +8 more
wiley   +1 more source

Closed‐Form Optimal Investment Under Generalized GARCH Models

European Financial Management, EarlyView.
ABSTRACT This paper introduces a new class of stochastic volatility models for asset prices, the generalized Heston Nandi GARCH (GHN‐GARCH), with the primary objective of optimal dynamic asset allocation under expected utility theory for constant relative risk aversion investors. We study some of its theoretical properties, and demonstrate that the GHN‐
Marcos Escobar‐Anel, Tobias Lausser, Rudi Zagst   +2 more
wiley   +1 more source

Anemia‐associated mutations disrupt the CDIN1‐Codanin1 complex in inherited congenital dyserythropoietic anemia I (CDA‐I) disease

The FEBS Journal, EarlyView.
Congenital dyserythropoietic anemia type I (CDA‐I) arises from mutations in Codanin1 and CDIN1. Using quantitative biophysical approaches, we show that disease‐associated mutations disrupt the CDIN1‐Codanin1 complex. Our findings provide critical insights into the molecular mechanism that links protein dysfunction to disturbing chromatin arrangement ...
Martin Stojaspal, Tomas Brom, Ivona Nečasová, Tomáš Janovič, Pavel Veverka, Naina Verma, Lukáš Uhrík, Lenka Hernychova, Ctirad Hofr   +8 more
wiley   +1 more source

Water, water, every where—the advent of hydrated pili structure

The FEBS Journal, EarlyView.
Protein structure is defined by its surrounding water. Naturally, this is also true for the gigantic protein filaments that pathogenic bacteria use to attach to and colonize their host cells. Structures of these filaments for which water can be identified with high confidence have stayed elusive for the longest time.
Hiroya Oki, Hideki Shigematsu, Kazuki Kawahara, Christoph Gerle   +3 more
wiley   +1 more source

The Role of Index Fund Ownership in the Era of Say‐on‐Pay

Financial Management, EarlyView.
ABSTRACT We examine whether and how index funds influence executive compensation in the post‐Say‐on‐Pay era. Using the annual reconstitution of the Russell indexes as a source of exogenous variation in index fund ownership, we document a causal effect of index ownership on CEO pay structure.
Kiseo Chung, Hwanki Brian Kim
wiley   +1 more source