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تعداد نتایج: 686047 فیلتر نتایج به سال:
Understanding brain function requires knowing both how neural activity encodes information and how this activity generates appropriate responses. Electrophysiological, imaging and immediate early gene immunostaining studies have been instrumental in identifying and characterizing neurons that respond to different sensory stimuli, events and motor actions. Here we highlight approaches that have ...
After publication of this Research [1], we noted that there is a misspelling in the name of Mogens Killian. Furthermore, we noted errors to Additional File 1, Table S1. For the strain S. pneumoniae AP200, the ‘Location of isolation’ should be ‘Italy’ rather than ‘University of Siena’. Also, in the Acknowledgements, we should have thanked all the AP200 genome project participants for providing e...
This article focuses on stability and change in "mixed middle-income" neighborhoods. We first analyze variation across nearly two decades for all neighborhoods in the United States and in the Chicago area, particularly. We then analyze a new longitudinal study of almost 700 Chicago adolescents over an 18-year span, including the extent to which they are exposed to different neighborhood income ...
Endocytosis, exocytosis, and lateral diffusion are key mechanisms for AMPA receptor trafficking. Endocytosis of AMPARs and other postsynaptic proteins has been proposed to occur at specific endocytic zones (EZs), but the mechanisms that regulate this process are not at all clear. In this issue of Neuron, Lu et al. show that correct synaptic EZ positioning requires links between the GTPase dynam...
To evaluate the accuracy of ultrasound in early detection of chorionicity and amnionicity in twin pregnancies and evaluate the role of operator-experience, a prospective follow up of 87 consecutive twin pregnancies was performed. Chorionicity and amnionicity were determined by 17 different observers, divided in 2 groups on the basis of their experience, using a composite of US markers at the fi...
Bulking of activated sludge is a world-wide problem which negatively affects wastewater treatment efficiency. The most common reasons of bulking are bacterial community changes, especially excessive growth of filamentous bacteria (filamentous bulking) or excess of biopolymers on the surface of non-filamentous microbes (non-filamentous or Zoogleal bulking). Because of the complex nature of the b...
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