Results 81 to 90 of about 133,578 (262)

A constrained singular value decomposition method that integrates sparsity and orthogonality.

PLoS ONE, 2019
We propose a new sparsification method for the singular value decomposition-called the constrained singular value decomposition (CSVD)-that can incorporate multiple constraints such as sparsification and orthogonality for the left and right singular ...
Vincent Guillemot, Derek Beaton, Arnaud Gloaguen, Tommy Löfstedt, Brian Levine, Nicolas Raymond, Arthur Tenenhaus, Hervé Abdi   +7 more
doaj   +1 more source

The morphology of tense and aspect in Nama, a Papuan language of southern New Guinea

Open Linguistics, 2015
This paper describes the complex tense and aspect morphology in Nama, a previously undocumented Papuan language of southern New Guinea. Tense/aspect suffixes followed by agent/actor referencing suffixes occur in combination with one of two sets of ...
Siegel Jeff
doaj   +1 more source

Directed evolution of enzymes at the crossroads of tradition and innovation

FEBS Open Bio, EarlyView.
An iterative cycle of data‐driven enzyme optimization comprising four stages: genetic diversification of a template enzyme, expression of protein variants, high‐throughput evaluation, and machine‐learning‐guided redesign of the next variant library.
Maria Tomkova, Andrej Mirossay, Erik Sedlak   +2 more
wiley   +1 more source

On non-Kupka points of codimension one foliations on ℙ3

Anais da Academia Brasileira de Ciências
We study the singular set of a codimension one holomorphic foliation on ℙ 3 . We find a local normal form for these foliations near a codimension two component of the singular set that is not of Kupka type.
OMEGAR CALVO-ANDRADE, MAURÍCIO CÔRREA, ARTURO FERNÁNDEZ-PÉREZ   +2 more
doaj   +1 more source

Small RNA pathways in mammalian oocytes

FEBS Open Bio, EarlyView.
Three distinct small RNA pathways operate in mammalian oocytes: RNAi interference (RNAi), the microRNA (miRNA) pathway, and the PIWI‐associated RNA (piRNA) pathway. These pathways use small RNAs to guide sequence‐specific repression and contribute to oocyte biology by targeting genes and mobile elements or appear insignificant since different ...
Petr Svoboda, Josef Pasulka
wiley   +1 more source

Hall number across a van Hove singularity

Physical Review B, 2017
In the context of the relaxation time approximation to Boltzmann transport theory, we examine the behavior of the Hall number, $n_H$, of a metal in the neighborhood of a Lifshitz transition from a closed Fermi surface to open sheets. We find a universal non-analytic dependence of $n_H$ on the electron density in the high field limit, but a non-singular
Maharaj, Akash V., Esterlis, Ilya, Zhang, Yi, Ramshaw, B. J., Kivelson, S. A.   +4 more
openaire   +3 more sources

Malformin A1–mediated cytotoxicity in ovarian cancer cells occurs through pyroptosis and autophagy

FEBS Open Bio, EarlyView.
This study investigated the effects of the natural compound Malformin A1 (MA1) on the cytoskeleton that regulates cell proliferation and migration. Disruption of the cytoskeleton can impair these processes and promote cancer cell death. MA1 disrupted cytoskeletal organization, induced DNA damage, inflammation, activated autophagy, and pyroptosis ...
Nada Abdullah Hassan, Ikram A. Burney, Shika Hanif Malgundkar, Siva Ramamoorthy, Ressin Varghese, Mohamed A. Al‐Kindi, Hamad Al Riyami, Shadia Al Bahlani, Sergey Dobretsov, Syed Imran Hassan, Benjamin K. Tsang, Yahya Tamimi   +11 more
wiley   +1 more source

Time-Optimal Spacecraft Reorientation for the Observation of Multiple Asteroids

Open Astronomy, 2019
To observe multiple asteroids in a short time, the time-optimal reorientation is investigated here for the rest-to-rest reorientation of a generic rigid spacecraft.
Yin Mingwei, Wang Xianyu, Baoyin Hexi
doaj   +1 more source

Old Written Kalmyk: the Category of Number. Nouns

Oriental Studies, 2018
The article examines the grammatical category of number (forms of the plural) in Old Written Kalmyk. In Old Written Kalmyk the category was represented by two grammatical meanings: 1) the singular and 2) the plural.
Evgeniy Bembeev, Tsagan Mandzhieva
doaj   +1 more source

Evaluating the effect of γ‐oryzanol on MASLD pathology using a medaka fish model

FEBS Open Bio, EarlyView.
This study explores a liver disease called MASLD, which is increasing worldwide and can lead to serious damage. Researchers used medaka fish instead of rodents to test a food compound, γ‐oryzanol. Fish fed this compound had less liver fat and healthier gut bacteria.
Yukako Ito, Haduki Asano, Ayano Ueki, Joe Sakamoto, Yasuhiro Kamei, Hayato Tokumoto, Ayaka Yazawa, Shigeki Kamitani   +7 more
wiley   +1 more source