Results 91 to 100 of about 342,951 (316)

Local extinction and colonisation in native and exotic fish in relation to changes in land use [PDF]

, 2011
Distribution patterns of many native and exotic fish species are well documented, yet little is known about the temporal dynamics of native and exotic diversity in relation to changes in land use.
Dorothée Kopp, Figuerola, Jordi, Santoul, Frédéric, Céréghino, Régis, Jordi Figuerola, Frédéric Santoul, Kopp, Dorothée, Régis Céréghino, Compin, Arthur, Arthur Compin   +9 more
core   +1 more source

Chiral Microneedle Arrays With Terahertz Chiroptical Activity With Chiral‐Plasmon‐Chiral‐Phonon Resonance

Advanced Materials, EarlyView.
ABSTRACT Microneedle arrays (MNAs) is a rapidly emerging technology with broad biomedical applications in drug delivery and biosensing. With sub‐millimeter dimensions and periodicity, MNAs possess geometries nearly ideal for biomedical devices operating within the terahertz (THz) spectral window.
Sang Hyun Lee, Hong Ju Jung, John Kim, Bum Chul Park, Caio V. C. R. da Silva, André F. de Moura, Nicholas A. Kotov   +6 more
wiley   +1 more source

The NMDA agonist D-cycloserine facilitates fear memory consolidation in humans

, 2009
Animal research suggests that the consolidation of fear and extinction memories depends on N-methyl D-aspartate (NMDA)- type glutamate receptors.
Dolan, RJ, Holt, Beatrice, Holt, B., Kalisch, R, Büchel, C, Martino, Benedetto de, Büchel, Christian, Dolan, R. ; https://orcid.org/, Kalisch, R., Büchel, C., Holt, B, Klöppel, Stefan, Dolan, R.J., Petrovic, P,, Petrovic, P., Petrovic, Predrag, De Martino, B., Klöppel, S., Dolan, Raymond J., De, Martino B, Kalisch, Raffael, Klöppel, S   +21 more
core   +1 more source

Hierarchically Engineered Multi‐Enzyme Nanoreactors for in vitro Drug Biosynthesis and Pathway Transplantation Into Cells

Advanced Materials, EarlyView.
A hierarchically structured metal–organic framework (eMIL) is shown to host the complete six‐enzyme biosynthesis pathway for the anti‐cancer pigment violacein, reshaping reaction dynamics and multiplying in vitro yields. eMIL nanoreactors deliver this reconstituted bacterial multi‐protein system into mammalian cells, where cell‐derived substrates and ...
Ainur Sharip, Somayah S. Qutub, Manar M. Farooqui, Walaa Baslyman, Nida Khalfay, Lukman O. Alimi, Patricia Lopez Sanchez, Lingyun Zhao, Milena Chernyshevskaia, Giovanni Colombo, Niveen M. Khashab, Stefan T. Arold, Raik Grünberg   +12 more
wiley   +1 more source

Crossing the midline: reducing attentional deficits via interhemispheric interactions [PDF]

, 2005
Patients with unilateral neglect and extinction show a profound lack of awareness of stimuli presented contralateral to their lesion. However, many processes of perception are intact and contralesional stimuli seem to reach a high level of representation,
Brooks, JL, Robertson, LC, Robertson, Lynn C., Brooks, Joseph L, Wong, YT, Wong, Yuting   +5 more
core   +1 more source

When Poor Exciton Dissociation Limits Photocurrents in Organic Solar Cells: Why Low Offset Non‐Fullerene Acceptor Blends Can't Be Efficient

Advanced Materials, EarlyView.
The energetic offset between the donor and the acceptor components in organic photoactive layers is central to the tradeoff between photovoltage and photocurrent losses. This Perspective covers the most important issues surrounding this topic in non‐fullerene acceptor blends, from the difficulty of accurately determining state energies and driving ...
Dieter Neher, Manasi Pranav
wiley   +1 more source

THE MEMORY SYSTEM ENGAGED DURING ACQUISITION DETERMINES THE EFFECTIVENESS OF DIFFERENT EXTINCTION PROTOCOLS

Frontiers in Behavioral Neuroscience, 2015
Previous research indicates that extinction of rodent maze behavior may occur without explicit performance of the previously required response. In latent extinction, confining an animal to a previously rewarded goal location without reinforcement is ...
Jarid eGoodman, Mark ePackard
doaj   +1 more source

Rethinking Charge Transport and Recombination in Donor‐Diluted Organic Solar Cells

Advanced Materials, EarlyView.
Organic solar cells with 1–45% PM6 content in Y12 were studied to link structure and charge dynamics to performance. The conductivity follows a 3D percolation model without a sharp threshold. Donor dilution preserves the photogeneration yield, but limits the fill factor due to transport resistance losses.
Chen Wang, Christopher Wöpke, Toni Seiler, Jared Faisst, Mathias List, Meike Kuhn, Bekcy Joseph, Alexander Ehm, Dietrich R. T. Zahn, Yana Vaynzof, Eva M. Herzig, Roderick C. I. Mackenzie, Uli Würfel, Maria Saladina, Carsten Deibel   +14 more
wiley   +1 more source

From resilience to vulnerability: Mechanistic insights into the effects of stress on transitions in critical period plasticity

Frontiers in Psychiatry, 2013
While early experiences are proposed to be important for the emergence of anxiety and other mental health problems, there is little empirical research examining the impact of such experiences on the development of emotional learning. Of the research that
Bridget Laura Callaghan, Bronwyn eGraham, Stella eLi, Rick eRichardson   +3 more
doaj   +1 more source

Radical overhaul needed to halt Earth's sixth great extinction event [PDF]

, 2016
Life has existed on Earth for roughly 3.7 billion years. During that time we know of five mass extinction events — dramatic episodes when many, if not most, life forms vanished in a geological heartbeat.
Ehrlich, Paul, Laurance, Bill
core