The development of a turn-on lanthanide luminescent probe for time-gated detection of nitroreductases (NTRs) in live bacteria is reported. The probe is activated through NTR-induced formation of the sensitizing carbostyril antenna and resulting energy transfer to the lanthanide center. This novel NTR-responsive trigger is virtually non-fluorescent in its inactivated form and features a large signal increase upon activation. We show that the probe is capable of selectively sensing NTR in lysates as well as in live bacteria comprising clinically highly relevant multiresistant pathogens of the ESKAPE family responsible for the majority of hospital infections. The results suggest that our probe could be used to develop diagnostic tools for bacterial infections. © 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.This study examined whether infants assume that people will help others to achieve specific goals. Seventeen-month-old infants watched familiarization events in which a competent agent succeeded in climbing hills while an incompetent agent failed to do so. In subsequent test events, the competent agent either helped the incompetent agent reach the top of the hill (helping event) or simply passed the incompetent agent and reached the top of the hill alone (ignoring event). The infants looked reliably longer at the ignoring event than at the helping event. These findings suggest that, by at least the age of 17 months, infants expect a competent agent to help an incompetent agent. Our findings provide evidence that infants in their second year of life possess some expectations of others' prosociality. Statement of contribution What is already known? Infants begin to reliably produce helping behaviours during their second year of life. Infants expect others to help an agent who is in need, not one who is not in need. Infants expect others to help, not ignore, another in need when linguistic information explicitly signals that the agent and the recipient belong to the same social group. What the present study adds? Infants expect someone to provide help rather than to ignore another in need under some circumstances with no linguistic information about their social group membership. Infants expect an agent to be a helper, not a bystander, even when they lack information about the agent's moral characteristics. © 2020 British Psychological Society.Site-selective functionalization of arenes that is complementary to classical aromatic substitution reactions remains a long-standing quest in organic synthesis. Exploiting the generation of halenium ion through oxidative process and the protonation of the nitrogen containing function in HF/SbF 5 , the chlorination and iodination of classically inert C sp2 -H bonds of aromatic amines occurs. Furthermore, the superacid promoted (poly)protonation of the molecules acts as a protection, favoring the late-stage selective halogenation of natural alkaloids and active pharmaceutical ingredients. © 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.Understanding figurative language develops during middle childhood. Drawing can facilitate recall and may aid other aspects of linguistic expression. We examined whether children provide more symbolic interpretations of figurative statements in drawings relative to verbal explanations, and whether drawing facilitates overall symbolic interpretation. Ninety-six children were split into three age groups (5-6, 7-8, and 9-10 years) in a between-subjects design. In the 'draw-first' condition, they were asked to depict then explain figurative statements (e.g., raining like cats and dogs), and in the 'explain-first' condition, children were asked to explain before drawing. We coded for symbolic or literal content. Overall, children provided more symbolic responses for verbal explanations compared to drawings, with a developmental increase. More symbolic responses occurred in the 'draw-first' condition compared to other task by condition combinations, suggesting drawing can facilitate subsequent symbolic verbal explanation. We discuss the links between drawings, figurative language, and development. Statement of contribution What is already known on this subject? Understanding figurative language such as metaphor develops during childhood. Drawing has been shown to aid recall and may aid other aspects of linguistic expression.  https://www.selleckchem.com/products/gf109203x.html  What the present study adds? Drawing figurative expressions facilitates subsequent symbolic verbal explanations. Children provide more symbolic interpretations in verbal explanations compared to drawings. There is a developmental progression in these abilities. © 2020 The British Psychological Society.. © 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.This study recruited kindergarteners and first graders to investigate gender and grade differences in semantic and spatial processing of number magnitude. Results based on the Bayesian statistics showed that (1) there was extreme evidence in favour of grade differences in both semantic processing and spatial processing; (2) there were no gender differences in semantic processing; and (3) boys developed earlier than girls in spatial processing of numbers, especially for the more difficult task. These results are discussed in terms of gender differences in cognitive mechanisms underlying semantic and spatial processing of number magnitude. © 2020 The British Psychological Society.BACKGROUND Using simulators built and validated at the University of Washington (UW), the study sought to test whether medical students can learn the basic skills of focused cardiac ultrasound (FoCUS) from an individually paced, simulator-based curriculum, how skills improve, and the rate at which these skills are acquired. METHODS The curriculum presented didactic material interspersed with hands-on practice. Psychomotor skill was measured by the angle error of the acquired image view plane relative to the correct image view plane. The rate of learning was assessed at baseline, after 7 practice cases, and after 10 cases. To assess the rate of learning, the same case was repeatedly presented at all three tests. To assess students' ability to apply their learning, a previously unseen post-test was included. RESULTS A total of 41 students completed the course. Average angle error improved from 43° ± 24 pretraining to 23° ± 16 post-training, with most students falling within one SD of the view angle acquired by sonographers.