Results 81 to 90 of about 948,700 (330)
DiversitySpecies are disappearing worldwide and the expectation is that this will increase in the future. This review summarizes information on the reasons for the global reduction in biodiversity and what might happen in the future. The literature indicates that
Pavel Kindlmann +4 more
doaj +1 more source
Patterns of Monarch Site Occupancy and Dynamics in Iowa
Frontiers in Ecology and Evolution, 2019 The monarch butterfly (Danaus plexippus) is the focus of large-scale habitat restoration efforts because of recent population declines. From 2006-2017 we monitored monarchs at >400 sites throughout Iowa to link site occupancy and colonization ...
Stephen J. Dinsmore +4 more
doaj +1 more source
Reddening Behaviors of Galaxies in the SDSS Photometric System
, 2008 We analyze the behaviors of reddening vectors in the SDSS photometric system for galaxies of different morphologies, ages, and redshifts. As seen in other photometric systems, the dependence of reddening on the spectral energy distribution (SED) and the ...
Grebel E. K. +2 more
core +1 more source
DENTA: A Dual Enzymatic Nanoagent for Self‐Activating Tooth Whitening and Biofilm Disruption
Advanced Functional Materials, EarlyView.The nanoapatite with dual enzymes (DENTA) accumulates in dentinal tubules, reducing hypersensitivity caused by dental nerve exposure and facilitating continuous ROS generation through salivary glucose for effective, long‐term whitening. The dentin structures remain non‐destructive due to the low concentration of ROS, demonstrating excellent cell ...
Junseok Kim +13 more
wiley +1 more source
Nitrogen Pollution and the Meltdown of Urban Ecosystems
Land, 2016 Urban ecosystems are carrying an extinction debt. Mitigating this debt will require the development of a predictive framework that improves our understanding of the factors causing decline of native biodiversity in urban areas. I argue that nitrogen is a
Brenton Ladd
doaj +1 more source
Extinction rates of established spatial populations
, 2011 This paper deals with extinction of an isolated population caused by intrinsic noise. We model the population dynamics in a "refuge" as a Markov process which involves births and deaths on discrete lattice sites and random migrations between neighboring ...
A. S. Mikhailov +8 more
core +1 more source
Advanced Functional Materials, EarlyView.This work presents self‐propelled CRISPR/Cas9‐functionalized Au–MRs for rapid, amplification‐free, “on‐the‐fly” DNA detection. By harnessing motion‐assisted signal recovery, the platform achieved the limit of detection in low fM DNA concentrations, enabling detection across a wide dynamic range within only 5 min, which is significantly faster than any ...
Jyoti +3 more
wiley +1 more source
Frontiers in Molecular Neuroscience, 2018 Extracellular regulated kinase 1/2 (ERK1/2) has been strongly implicated in several cellular processes. In the brain ERK1/2 activity has been primarily involved in long-term memory (LTM) formation and expression.
Jorge H. Medina +2 more
doaj +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
Ghrelin receptor agonist MK0677 and overnight fasting do not rescue deficient fear extinction in 129S1/SvImJ mice [PDF]
, 2023 Eva Fritz +3 more
openalex +1 more source