We show that near-surface defects produced by mechanical treatments and electron irradiation can significantly enhance the intensity of luminescence due to the decay of self-trapped excitons sSTEsd in single-crystal calcium fluoride during 157and 193-nm irradiation. For example, polishing can double the intensity of the STE luminescence. Defects produced by mechanical indentation can either inc...

This paper addresses the problem of how to learn an appropriate representation from video to benefit video-based face recognition. We pose it as learning spatio-temporal embedding (STE) from raw video. STE of a video sequence is defined as its condensed version capturing the essence of space-time characteristics of the video. Relying on co-occurrence statistics of training videos, Bayesian keyf...

We measured the time-resolved photoluminescence (PL) on a film of a polythiophene derivative to investigate the formation and relaxation processes of a self-trapped exciton (STE). On the highand low-energy sides of the PL spectrum, we observed an ultrafast decay component emitted during the STE formation. We also found that PL of the derivative originates from two STE states with opposite symme...

1 School of Dietetics and Human Nutrition, Macdonald Campus, McGill University, 21,111 Lakeshore Road, Ste. Anne de Bellevue, Quebec, H9X 3V9, Canada 2 Department of Natural Resource Sciences, Macdonald Campus, McGill University, 21,111 Lakeshore Road, Ste. Anne de Bellevue, Quebec, H9X 3V9, Canada 3 Center for Indigenous Peoples’ Nutrition and Environment (CINE), Macdonald Campus, McGill Unive...

SEE PAGE 400 S afety, reliability, ease of use, and relatively low cost has placed echocardiography at the forefront of imaging modalities utilized in the assessment of cardiac function. Over the last 2 decades, techniques to detect pre-clinical cardiac dysfunction, such as the echocardiographic estimation of myocardial strain and strain rate, have been developed. Myocardial strain measures the...

BACKGROUND Standard measures of left ventricular systolic and diastolic function often fail to identify left ventricular dysfunction in patients with heart failure and do not correlate with measures of functional capacity. AIM To determine if speckle tracking echocardiography (STE)-determined measures of global and regional myocardial contractility have a linear association with functional ca...

BACKGROUND The influence of periprocedural ischaemia on coronary artery bifurcation stenting (percutaneous coronary intervention [PCI]) remains uncertain. AIM To determine the differences in rates of end procedural ischaemia after bifurcation lesion PCI detected with intracoronary electrocardiography (icECG). METHODS Unipolar icECGs were recorded before, during, and after stent placement an...

To date, few natural cases of RNA-silencing-mediated regulation have been described. Here, we analyzed repression of testis-expressed Stellate genes by the homologous Suppressors of Stellate [Su(Ste)] repeats that produce sense and antisense short RNAs. The Stellate promoter is dispensable for suppression, but local disturbance of complementarity between the Stellate transcript and the Su(Ste) ...

Activity-dependent synaptic plasticity regulates the flow of information in neuronal networks and has important implications for the expression of behavior. We find a functional role for short-term synaptic enhancement (STE) such as facilitation, augmentation, and post-tetanic potentiation at central synapses in the sea slug Aplysia californica. Consummatory feeding in Aplysia such as rhythmic ...