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   https://doi.org/10.1016/j.tree.2022.12.006  

   Burt, Carolyn S.; Kelly, Jeffrey F.; Trankina, Grace E.; Silva, Carol L.; Khalighifar, Ali; Jenkins-Smith, Hank C.; Fox, Andrew S.; Fristrup, Kurt M.; Horton, Kyle G. (April 2023, Trends in Ecology & Evolution)

   Light pollution is a global threat to biodiversity, especially migratory organisms, some of which traverse hemispheric scales. Research on light pollution has grown significantly over the past decades, but our review of migratory organisms demonstrates gaps in our understanding, particularly beyond migratory birds. Research across spatial scales reveals the multifaceted effects of artificial light on migratory species, ranging from local and regional to macroscale impacts. These threats extend beyond species that are active at night – broadening the scope of this threat. Emerging tools for measuring light pollution and its impacts, as well as ecological forecasting techniques, present new pathways for conservation, including transdisciplinary approaches. 

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2. Modeling lugworm irrigation behavior effects on sediment nitrogen cycling

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3. Effects of Azteca trigona alarm pheromones on heterospecific ant behavior

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5. Interfacial effects on the electrical behavior of elastomer nanoparticulate composites

   https://doi.org/10.1117/12.2515364  

   Meddeb, Amira; Ounaies, Zoubeida; Lopez-Pamies, Oscar (March 2019, SPIE 10968, Behavior and Mechanics of Multifunctional Materials XIII)

   Polymer nanocomposites exhibit unique effective properties that do not follow conventional effective media approaches. The nanoparticle-polymer interphase has been shown to strongly influence the nanocomposites behavior due o its significant volume when the particles are nano-sized, affording an opportunity to tune the dielectric response of the resulting nanocomposite. In this study, we investigate the effects of TiO2 nanoparticles on the electrical properties and the charges distribution and transport in polydimethylsiloxane (PDMS) nanocomposites. Impedance spectroscopy shows suppression of interfacial Maxwell-Wagner-Sillars (MWS) polarization accompanied by a reduction in the low frequency dielectric permittivity and loss at high temperatures in the presence of the TiO2 nanoparticles. Thermally stimulated discharge current measurements confirm that the suppression of the interfacial polarization relaxations happens by redistributing or depleting the charges through the composite and hindering their mobility, potentially resulting in lower electrical conduction and higher breakdown strength. Although the model materials investigated here are TiO2 nanoparticles and Sylgard 184 PDMS, our findings can be extended to other nanoparticulate-filled elastomer composites to design lightweight dielectrics, actuators and sensors with improved capabilities. 

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