Institution
Nottingham Trent University
Education•Nottingham, United Kingdom•
About: Nottingham Trent University is a education organization based out in Nottingham, United Kingdom. It is known for research contribution in the topics: Population & Addiction. The organization has 4702 authors who have published 12862 publications receiving 307430 citations. The organization is also known as: NTU & Trent Polytechnic.
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TL;DR: The work was funded by The Leverhulme Trust Research Project Grant RPG-2016-252 entitled “Novel Approaches for Constructing Optimised Multimodal Data Spaces”.
123 citations
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TL;DR: In this article, the authors examined the relationship between cyberbullying perpetration, problematic social media use and their relationships with social connectedness, belongingness, depression, and self-esteem among high school and university students.
Abstract: Over the past two decades, young people’s engagement in online activities has grown markedly. The aim of the present study was to examine the relationship between two specific online behaviors (i.e., cyberbullying perpetration, problematic social media use) and their relationships with social connectedness, belongingness, depression, and self-esteem among high school and university students. Data were collected from two different study groups via two questionnaires that included the Cyberbullying Offending Scale, Social Media Use Questionnaire, Social Connectedness Scale, General Belongingness Scale, Short Depression-Happiness Scale, and Single Item Self-Esteem Scale. Study 1 comprised 804 high school students (48% female; mean age 16.20 years). Study 2 comprised 760 university students (60% female; mean age 21.48 years). Results indicated that problematic social media use and cyberbullying perpetration (which was stronger among high school students) were directly associated with each other. Belongingness (directly) and social connectedness (indirectly) were both associated with cyberbullying perpetration and problematic social media use. Path analysis demonstrated that while age was a significant direct predictor of problematic social media use and cyberbullying perpetration among university students, it was not significant among high school students. In both samples, depression was a direct predictor of problematic social media use and an indirect predictor of cyberbullying perpetration. However, majority of these associations were relatively weak. The present study significantly adds to the emerging body of literature concerning the associations between problematic social media use and cyberbullying perpetration.
123 citations
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University of Cambridge1, Erasmus University Rotterdam2, University of Edinburgh3, McGill University4, Johns Hopkins University School of Medicine5, University of Queensland6, University of Copenhagen7, Lund University8, University of New South Wales9, Guy's and St Thomas' NHS Foundation Trust10, King's College London11, Leiden University Medical Center12, Harvard University13, University of Brighton14, University of Newcastle15, University of California, San Diego16, National Institute of Fitness and Sports in Kanoya17, Japan Society for the Promotion of Science18, Massachusetts Institute of Technology19, Stanford University20, Glostrup Hospital21, John Hunter Hospital22, University of Maryland, Baltimore23, University of Gdańsk24, Ghent University25, Victoria University, Australia26, Royal Children's Hospital27, European University of Madrid28, University of Cagliari29, United States Department of Veterans Affairs30, British Heart Foundation31, GlaxoSmithKline32, Nottingham Trent University33, University of Foggia34, National Institute for Health Research35, University of Leicester36, Wellcome Trust Centre for Human Genetics37, University of Oxford38, Juntendo University39, Umeå University40, University of Southern Denmark41, Boston University42
TL;DR: Mendelian randomization analyses are consistent with a causal effect of higher genetically predicted grip strength on lower fracture risk and provide new biological insight into the mechanistic underpinnings of grip strength and the causal role of muscular strength in age-related morbidities and mortality.
Abstract: Hand grip strength is a widely used proxy of muscular fitness, a marker of frailty, and predictor of a range of morbidities and all-cause mortality. To investigate the genetic determinants of variation in grip strength, we perform a large-scale genetic discovery analysis in a combined sample of 195,180 individuals and identify 16 loci associated with grip strength (P<5 × 10-8) in combined analyses. A number of these loci contain genes implicated in structure and function of skeletal muscle fibres (ACTG1), neuronal maintenance and signal transduction (PEX14, TGFA, SYT1), or monogenic syndromes with involvement of psychomotor impairment (PEX14, LRPPRC and KANSL1). Mendelian randomization analyses are consistent with a causal effect of higher genetically predicted grip strength on lower fracture risk. In conclusion, our findings provide new biological insight into the mechanistic underpinnings of grip strength and the causal role of muscular strength in age-related morbidities and mortality.
123 citations
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TL;DR: An Atoms-in-Molecules (AIM) study has confirmed that specific C-F···F-C interactions are indeed present, and are not due simply to crystal packing.
Abstract: The solid state structures of three compounds that contain a perfluorinated chain, CF3(CF2)(5)CH2CH(CH3)CO2H, CF3(CF2)(5)(CH2)(4)(CF2)(5)CF3 and {CF3(CF2)(5)CH2CH2}(3)P=O have been compared and a number of C-F center dot center dot center dot F-C and C-F center dot center dot center dot H-C interactions that are closer than the sum of the van der Waals radii have been identified. These interactions have been probed by a comprehensive computational chemistry investigation and the stabilizing energy between dimeric fragments was found to be 0.26-29.64 kcal/mol, depending on the type of interaction. An Atoms-in-Molecules (AIM) study has confirmed that specific C-F center dot center dot center dot F-C interactions are indeed present, and are not due simply to crystal packing. The weakly stabilizing nature of these interactions has been utilized in the physisorption of a selected number of compounds containing long chain perfluorinated ponytails onto a perfluorinated self-assembled monolayer, which has been characterized by IRRAS (Infrared Reflection Absorption Spectroscopy).
123 citations
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TL;DR: The phenotypic and genotypic diversity of 44 morphologically identical P. aeruginosa isolates taken from a single CF patient sputum sample revealed large variances and trade-offs in growth, virulence factors and quorum sensing (QS) signals, and the significant role of recombination is highlighted.
Abstract: The Cystic Fibrosis (CF) lung harbors a complex, polymicrobial ecosystem, in which Pseudomonas aeruginosa is capable of sustaining chronic infections, which are highly resistant to multiple antibiotics. Here, we investigate the phenotypic and genotypic diversity of 44 morphologically identical P. aeruginosa isolates taken from a single CF patient sputum sample. Comprehensive phenotypic analysis of isolates revealed large variances and trade-offs in growth, virulence factors and quorum sensing (QS) signals. Whole genome analysis of 22 isolates revealed high levels of intra-isolate diversity ranging from 5 to 64 SNPs and that recombination and not spontaneous mutation was the dominant driver of diversity in this population. Furthermore, phenotypic differences between isolates were not linked to mutations in known genes but were statistically associated with distinct recombination events. We also assessed antibiotic susceptibility of all isolates. Resistance to antibiotics significantly increased when multiple isolates were mixed together. Our results highlight the significant role of recombination in generating phenotypic and genetic diversification during in vivo chronic CF infection. We also discuss (i) how these findings could influence how patient-to-patient transmission studies are performed using whole genome sequencing, and (ii) the need to refine antibiotic susceptibility testing in sputum samples taken from patients with CF.
122 citations
Authors
Showing all 4806 results
Name | H-index | Papers | Citations |
---|---|---|---|
David L. Kaplan | 177 | 1944 | 146082 |
Paul Mitchell | 146 | 1378 | 95659 |
Matthew Nguyen | 131 | 1291 | 84346 |
Ian O. Ellis | 126 | 1051 | 75435 |
Mark D. Griffiths | 124 | 1238 | 61335 |
Tao Zhang | 123 | 2772 | 83866 |
Graham J. Hutchings | 97 | 995 | 44270 |
Andrzej Cichocki | 97 | 952 | 41471 |
Chris Ryan | 95 | 971 | 34388 |
Graham Pawelec | 89 | 572 | 27373 |
Christopher D. Buckley | 88 | 440 | 25664 |
Ester Cerin | 78 | 279 | 27086 |
Michael Hofreiter | 78 | 271 | 20628 |
Craig E. Banks | 77 | 569 | 27520 |
John R. Griffiths | 76 | 356 | 23179 |