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Results: 74
Cover Image for One of these things is not like the other View Article
One of these things is not like the other
Chris Towlson, Calum MacMaster, James Parr, Sean Cumming
Dec 31, 2022

Background: Both maturity and relative age selection biases are entrenched within professional academy soccer programmes. Lay opinion, and that of some scholars, holds that relative age effects exist as a product of advanced...

Maturation peak height velocity relative age effect Soccer talent identification
Cover Image for One of these things is not like the other View Article
One of these things is not like the other
Chris Towlson, Calum MacMaster, James Parr, Sean Cumming
Dec 31, 2022

Background: Both maturity and relative age selection biases are entrenched within professional academy soccer programmes. Lay opinion, and that of some scholars, holds that relative age effects exist as a product of advanced...

Maturation peak height velocity relative age effect Soccer talent identification
Cover Image for An evaluation tool for Age-Friendly and Dementia Friendly Communities. View Article
An evaluation tool for Age-Friendly and Dementia Friendly Communities.
Stefanie Buckner, Calum Mattocks, Melanie Rimmer, Louise Lafortune
Mar 09, 2018
Age-Friendly Cities Ageing complex interventions Dementia Friendly Communities Evaluation tool Urbanization
Cover Image for Associations between recreational cannabis legalization and cannabis-related emergency department visits by age, gender, and geographic status in Ontario, Canada View Article
Associations between recreational cannabis legalization and cannabis-related emergency department visits by age, gender, and geographic status in Ontario, Canada
Chungah Kim, Antony Chum, Andrew Nielsen, Sara Allin, Tarra L Penney, Katherine Rittenbach, Frank P MacMaster, Patricia O'Campo
Nov 26, 2022
Legalization of recreational cannabis in Ontario included the legalization of flower and herbs (Phase 1, October 2018), and was followed by the deregulation of cannabis retailers and sales of edibles (Phase 2, February 2020)....
Adult Adolescent Female Humans Male Cannabis Interrupted Time Series Analysis Ontario Emergency Service hospital Legislation Drug Canada Cannabinoid Receptor Agonists
Cover Image for High order splitting methods for SDEs satisfying a commutativity condition View Article
High order splitting methods for SDEs satisfying a commutativity condition
James Foster, Gonçalo dos Reis, Calum Strange
Dec 31, 2024

In this paper, we introduce a new simple approach to developing and establishing the convergence of splitting methods for a large class of stochastic differential equations (SDEs), including additive, diagonal, and scalar...

high order strong convergence numerical methods for SDEs operator splitting
Cover Image for High order splitting methods for SDEs satisfying a commutativity condition View Article
High order splitting methods for SDEs satisfying a commutativity condition
James Foster, Gonçalo dos Reis, Calum Strange
Dec 31, 2024

In this paper, we introduce a new simple approach to developing and establishing the convergence of splitting methods for a large class of stochastic differential equations (SDEs), including additive, diagonal, and scalar...

high order strong convergence numerical methods for SDEs operator splitting
Cover Image for Efforts to address the Sustainable Development Goals in older populations View Article
Efforts to address the Sustainable Development Goals in older populations
Vlada Shevelkova, Calum Mattocks, Louise Lafortune
Mar 08, 2023
Age-friendly communities Older adults. sustainable development goals Humans Aged Sustainable Development Policy United Nations World Health Organization Global Health Goals
Cover Image for Modelling fat mass as a function of weekly physical activity profiles measured by Actigraph accelerometers View Article
Modelling fat mass as a function of weekly physical activity profiles measured by Actigraph accelerometers
Nicole Augustin, Calum Mattocks, Ashley Cooper, Andy R Ness, Julian Faraway
Nov 01, 2012
We show results on the Avon longitudinal study of parents and children (ALSPAC) using a new approach for modelling the relationship between health outcomes and physical activity assessed by accelerometers. The key feature of the...
Cover Image for Tunable mid-wave infrared Fabry-Perot bandpass filters using phase-change GeSbTe. View Article
Tunable mid-wave infrared Fabry-Perot bandpass filters using phase-change GeSbTe.
Calum Williams, Nina Hong, Matthew Julian, Stephen Borg, Hyun Jung Kim
Mar 23, 2020
physics.optics physics.optics cond-mat.mtrl-sci physics.app-ph
Cover Image for Reversible optical tuning of GeSbTe phase-change metasurface spectral filters for mid-wave infrared imaging View Article
Reversible optical tuning of GeSbTe phase-change metasurface spectral filters for mid-wave infrared imaging
Matthew N Julian, Calum Williams, Stephen Borg, Scott Bartram, Hyun Jung Kim
Jul 03, 2020
Photonics Nanotechnology Infrared
Cover Image for Associations between recreational cannabis legalization and cannabis-related emergency department visits by age, gender, and geographic status in Ontario, Canada View Article
Associations between recreational cannabis legalization and cannabis-related emergency department visits by age, gender, and geographic status in Ontario, Canada
Chungah Kim, Antony Chum, Andrew Nielsen, Sara Allin, Tarra L Penney, Katherine Rittenbach, Frank P MacMaster, Patricia O'Campo
Oct 26, 2022
Legalization of recreational cannabis in Ontario included the legalization of flower and herbs (Phase 1, October 2018), and was followed by the deregulation of cannabis retailers and sales of edibles (Phase 2, February 2020)....
RESEARCH ARTICLE Medicine and Health Sciences People and places
Cover Image for A Birth Cohort Analysis to Study Dog Walking in Adolescence Shows No Relationship with Objectively Measured Physical Activity. View Article
A Birth Cohort Analysis to Study Dog Walking in Adolescence Shows No Relationship with Objectively Measured Physical Activity.
Carri Westgarth, Andrew R Ness, Calum Mattocks, Robert M Christley
Nov 22, 2018
Physical inactivity during childhood and adolescence is a serious health concern. There are few studies of the activity undertaken by adolescents when walking with the family dog, and the effect of this on objectively measured...
Avon Longitudinal Study of Parents and Children Adolescent Child Dogs Exercise physical activity Walking
Cover Image for Grayscale-to-Color View Article
Grayscale-to-Color
Calum Williams, George SD Gordon, Timothy D Wilkinson, Sarah E Bohndiek
Oct 28, 2019
Photonics multispectral Imaging fabrication
Cover Image for PCM-net View Article
PCM-net
Hyun Jung Kim, Jung-woo Sohn, Nina Hong, Calum Williams, William Humphreys
Mar 18, 2021
Abstract: The growing demand for multifunctional nanophotonic devices has led to the exploration, and utilization, of a plethora of exotic electro-optical materials. Recently, chalcogenide glass based phase change materials...
Paper Focus on Phase Change Materials for Photonics online database Refractive index phase change material nanophotonics optical metasurface PCM-net device modelling
Cover Image for Modelling fat mass as a function of weekly physical activity profiles measured by Actigraph accelerometers View Article
Modelling fat mass as a function of weekly physical activity profiles measured by Actigraph accelerometers
Nicole Augustin, Calum Mattocks, Ashley Cooper, Andy R Ness, Julian Faraway
Nov 01, 2012
We show results on the Avon longitudinal study of parents and children (ALSPAC) using a new approach for modelling the relationship between health outcomes and physical activity assessed by accelerometers. The key feature of the...
Cover Image for PCM-net View Article
PCM-net
Hyun Jung Kim, Jung-woo Sohn, Nina Hong, Calum Williams, William Humphreys
Mar 18, 2021
Abstract: The growing demand for multifunctional nanophotonic devices has led to the exploration, and utilization, of a plethora of exotic electro-optical materials. Recently, chalcogenide glass based phase change materials...
Paper Focus on Phase Change Materials for Photonics online database Refractive index phase change material nanophotonics optical metasurface PCM-net device modelling
Cover Image for Reversible optical tuning of GeSbTe phase-change metasurface spectral filters for mid-wave infrared imaging. View Article
Reversible optical tuning of GeSbTe phase-change metasurface spectral filters for mid-wave infrared imaging.
Matthew N Julian, Calum Williams, Stephen Borg, Scott Bartram, Hyun Jung Kim
Aug 26, 2021
Tunable narrowband spectral filtering across arbitrary optical wavebands is highly desirable in a plethora of applications, from chemical sensing and hyperspectral imaging to infrared astronomy. Yet, the ability to reconfigure...
Published by: Optica
Cover Image for The genetic architecture of resistance to virus infection in Drosophila. View Article
The genetic architecture of resistance to virus infection in Drosophila.
Rodrigo Cogni, Chuan Cao, Jonathan P Day, Calum Bridson, Francis M Jiggins
Sep 13, 2016
insects parasitology quantitative genetics species interactions Animals Chromosome Mapping Disease Resistance Drosophila melanogaster Epistasis Genetic genetic variation Quantitative Trait Loci rhabdoviridae Rhabdoviridae Infections
Cover Image for The association between the type, context, and levels of physical activity amongst adolescents View Article
The association between the type, context, and levels of physical activity amongst adolescents
Harriet Koorts, Calum Mattocks, A R Ness, K Deere, S N Blair, R R Pate, Christopher Riddoch
Nov 01, 2011

Background: Little is known about how the type and context of physical activity behaviors varies among adolescents with differing activity levels. The aim of this study was to assess differences in the type and context of...

Accelerometry school and nonschool EPIDEMIOLOGY Questionnaires Longitudinal Studies
Cover Image for Plasmonic nanoparticle scattering for color holograms. View Article
Plasmonic nanoparticle scattering for color holograms.
Yunuen Montelongo, Jaime Oscar Tenorio-Pearl, Calum Williams, Shuang Zhang, William Ireland Milne, Timothy David Wilkinson
Aug 06, 2014
holography Nanotechnology optics art Color Holography Methylmethacrylate Nanoparticles Paint SCATTERING Radiation Silicon Dioxide Silver Surface Plasmon Resonance X-Ray Diffraction
Cover Image for Assessing the role of an artificial intelligence assessment tool for thoracic aorta diameter on routine chest CT View Article
Assessing the role of an artificial intelligence assessment tool for thoracic aorta diameter on routine chest CT
John Graby, Maredudd Harris, Calum Jones, Harry Waring, Stephen Lyen, Benjamin J. Hudson, Jonathan Carl Luis Rodrigues
Nov 01, 2023

OBJECTIVE: To assess the diagnostic accuracy and clinical impact of automated artificial intelligence (AI) measurement of thoracic aorta diameter on routine chest CT. METHODS: A single-centre retrospective study involving...

Cover Image for Modelling a response as a function of high frequency count data View Article
Modelling a response as a function of high frequency count data
Nicole H Augustin, Calum Mattocks, Julian J Faraway, Sonja Greven, Andy R Ness
Oct 01, 2017
Accelerometers are widely used in health sciences, ecology and other application areas. They quantify the intensity of physical activity as counts per epoch over a given period of time. Currently, health scientists use very...
accelerometer ActiGraph Avon Longitudinal Study of Parents and Children Ambulatory Monitoring Fat mass Functional data analysis Generalised regression of scalars on functions physical activity obesity
Cover Image for Grayscale-to-Color View Article
Grayscale-to-Color
Calum Williams, George S D Gordon, Timothy D Wilkinson, Sarah E Bohndiek
Feb 10, 2020
Snapshot multispectral image (MSI) sensors have been proposed as a key enabler for a plethora of multispectral imaging applications, from diagnostic medical imaging to remote sensing. With each application requiring a different...
Published by: ACS photonics
Cover Image for Assessing the role of an artificial intelligence assessment tool for thoracic aorta diameter on routine chest CT View Article
Assessing the role of an artificial intelligence assessment tool for thoracic aorta diameter on routine chest CT
John Graby, Maredudd Harris, Calum Jones, Harry Waring, Stephen Lyen, Benjamin J. Hudson, Jonathan Carl Luis Rodrigues
Nov 01, 2023

OBJECTIVE: To assess the diagnostic accuracy and clinical impact of automated artificial intelligence (AI) measurement of thoracic aorta diameter on routine chest CT. METHODS: A single-centre retrospective study involving...

Cover Image for The association between the type, context, and levels of physical activity amongst adolescents View Article
The association between the type, context, and levels of physical activity amongst adolescents
Harriet Koorts, Calum Mattocks, A R Ness, K Deere, S N Blair, R R Pate, Christopher Riddoch
Nov 01, 2011

Background: Little is known about how the type and context of physical activity behaviors varies among adolescents with differing activity levels. The aim of this study was to assess differences in the type and context of...

Accelerometry school and nonschool EPIDEMIOLOGY Questionnaires Longitudinal Studies

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