New bat locality records from Cuba with emphasis on the province of Matanzas
Novitates Caribaea, 2020 Here we provide a compilation of bat distribution records based on neontological and paleontological data, updating the known distribution in Matanzas province, the Isle of Pines, and Central Cuba.
Johanset Orihuela +2 more
doaj +1 more source
On Dust Extinction of Gamma-ray Burst Host Galaxies [PDF]
, 2008 Although it is well recognized that gamma-ray burst (GRB) afterglows are obscured and reddened by dust in their host galaxies, the wavelength-dependence and quantity of dust extinction are still poorly known.
Kann, D. A. +5 more
core +2 more sources
Survival of small populations under demographic stochasticity [PDF]
, 1992 We estimate the mean time to extinction of small populations in an environment with constant carrying capacity but under stochastic demography. In particular, we investigate the interaction of stochastic variation in fecundity and sex ratio under several
Bell +24 more
core +1 more source
Real‐time assay of ribonucleotide reductase activity with a fluorescent RNA aptamer
FEBS Letters, EarlyView.Ribonucleotide reductases (RNR) synthesize DNA building blocks de novo, making them crucial in DNA replication and drug targeting. FLARE introduces the first single‐tube real‐time coupled RNR assay, which enables isothermal tracking of RNR activity at nanomolar enzyme levels and allows the reconstruction of allosteric regulatory patterns and rapid ...
Jacopo De Capitani +4 more
wiley +1 more source
Extinction properties of the X-ray bright/optically faint afterglow of GRB 020405
, 2005 We present an optical-to-X-ray spectral analysis of the afterglow of GRB 020405. The optical spectral energy distribution not corrected for the extragalactic extinction is significantly below the X-ray extrapolation of the single powerlaw spectral model ...
Antonelli, L. A. +5 more
core +1 more source
Three-fold way to extinction in populations of cyclically competing species [PDF]
, 2010 Species extinction occurs regularly and unavoidably in ecological systems. The time scales for extinction can broadly vary and inform on the ecosystem's stability.
Cremer J +6 more
core +2 more sources
Strength through diversity: how cancers thrive when clones cooperate
Molecular Oncology, EarlyView.Intratumor heterogeneity can offer direct benefits to the tumor through cooperation between different clones. In this review, Kuiken et al. discuss existing evidence for clonal cooperativity to identify overarching principles, and highlight how novel technological developments could address remaining open questions.
Marije C. Kuiken +3 more
wiley +1 more source
Optogenetic stimulation of the locus coeruleus enhances appetitive extinction in rats
eLifeExtinction is a specific example of learning where a previously reinforced stimulus or response is no longer reinforced, and the previously learned behaviour is no longer necessary and must be modified.
Simon Lui +2 more
doaj +1 more source
The 2200 A bump and the UV extinction curve
, 2012 The 2200 A bump is a major figure of interstellar extinction. Extinction curves with no bump however exist and are, with no exception, linear from the near-infrared down to 2500 A at least, often over all the visible-UV spectrum.
Bondar +33 more
core +1 more source
The Mid-Infrared Extinction Law in the Ophiuchus, Perseus, and Serpens Molecular Clouds [PDF]
, 2008 We compute the mid-infrared extinction law from 3.6-24 microns in three molecular clouds: Ophiuchus, Perseus, and Serpens, by combining data from the "Cores to Disks" Spitzer Legacy Science program with deep JHKs imaging.
Chapman, Nicholas L. +3 more
core +2 more sources