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3,497 results on '"Forbes, Andrew"'

353. Dexamethasone and clinically significant postoperative nausea and vomiting: a prespecified substudy of the randomised perioperative administration of dexamethasone and infection (PADDI) trial

Author

Corcoran, Tomás B., primary, Martin, Catherine, additional, O'Loughlin, Edmond, additional, Ho, Kwok M., additional, Coutts, Pauline, additional, Chan, Matthew T., additional, Forbes, Andrew, additional, Leslie, Kate, additional, and Myles, Paul, additional

Published
2022
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354. Postoperative anaemia and patient-centred outcomes after major abdominal surgery: a retrospective cohort study

Author

Myles, Paul S., primary, Richards, Toby, additional, Klein, Andrew, additional, Wood, Erica M., additional, Wallace, Sophie, additional, Shulman, Mark A., additional, Martin, Catherine, additional, Bellomo, Rinaldo, additional, Corcoran, Tomás B., additional, Peyton, Philip J., additional, Story, David A., additional, Leslie, Kate, additional, and Forbes, Andrew, additional

Published
2022
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355. Effect of atorvastatin on skeletal muscles of patients with knee osteoarthritis: Post-hoc analysis of a randomised controlled trial

Author

Lim, Yuan Z., primary, Cicuttini, Flavia M., additional, Wluka, Anita E., additional, Jones, Graeme, additional, Hill, Catherine L., additional, Forbes, Andrew B., additional, Tonkin, Andrew, additional, Berezovskaya, Sofia, additional, Tan, Lynn, additional, Ding, Changhai, additional, and Wang, Yuanyuan, additional

Published
2022
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359. Delimiting the cryptic diversity and host preferences of Sycophila parasitoid wasps associated with oak galls using phylogenomic data

Author

Zhang, Yuanmeng M., primary, Sheikh, Sofia I., additional, Ward, Anna K. G., additional, Forbes, Andrew A., additional, Prior, Kirsten M., additional, Stone, Graham N., additional, Gates, Michael W., additional, Egan, Scott P., additional, Zhang, Linyi, additional, Davis, Charles, additional, Weinersmith, Kelly L., additional, Melika, George, additional, and Lucky, Andrea, additional

Published
2022
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372. Impact of adding hand-washing and water disinfection promotion to oral cholera vaccination on diarrhoea-associated hospitalization in Dhaka, Bangladesh: evidence from a cluster randomized control trial

Author

Najnin, Nusrat, Leder, Karin, Qadri, Firdausi, Forbes, Andrew, Unicomb, Leanne, Winch, Peter J, Ram, Pavani K, Leontsini, Elli, Nizame, Fosiul A, Arman, Shaila, Begum, Farzana, Biswas, Shwapon K, Clemens, John D, Ali, Mohammad, Cravioto, Alejandro, and Luby, Stephen P

Published
2017
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374. Extensive regional variation in the phenology of insects and their response to temperature across North America.

Author

Dunn, Peter O., Ahmed, Insiyaa, Armstrong, Elise, Barlow, Natasha, Barnard, Malcolm A., Bélisle, Marc, Benson, Thomas J., Berzins, Lisha L., Boynton, Chloe K., Brown, T. Anders, Cady, Melissa, Cameron, Kyle, Chen, Xuan, Clark, Robert G., Clotfelter, Ethan D., Cromwell, Kara, Dawson, Russell D., Denton, Elsie, Forbes, Andrew, and Fowler, Kendrick

Subjects
INSECT phenology, PLANT phenology, CLIMATE change models, INSECT populations, PHENOTYPIC plasticity, TEMPERATURE
Abstract

Climate change models often assume similar responses to temperatures across the range of a species, but local adaptation or phenotypic plasticity can lead plants and animals to respond differently to temperature in different parts of their range. To date, there have been few tests of this assumption at the scale of continents, so it is unclear if this is a large‐scale problem. Here, we examined the assumption that insect taxa show similar responses to temperature at 96 sites in grassy habitats across North America. We sampled insects with Malaise traps during 2019–2021 (N = 1041 samples) and examined the biomass of insects in relation to temperature and time of season. Our samples mostly contained Diptera (33%), Lepidoptera (19%), Hymenoptera (18%), and Coleoptera (10%). We found strong regional differences in the phenology of insects and their response to temperature, even within the same taxonomic group, habitat type, and time of season. For example, the biomass of nematoceran flies increased across the season in the central part of the continent, but it only showed a small increase in the Northeast and a seasonal decline in the Southeast and West. At a smaller scale, insect biomass at different traps operating on the same days was correlated up to ~75 km apart. Large‐scale geographic and phenological variation in insect biomass and abundance has not been studied well, and it is a major source of controversy in previous analyses of insect declines that have aggregated studies from different locations and time periods. Our study illustrates that large‐scale predictions about changes in insect populations, and their causes, will need to incorporate regional and taxonomic differences in the response to temperature. [ABSTRACT FROM AUTHOR]

Published
2023
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378. Statistical analysis plan for the POLAR-RCT: The Prophylactic hypOthermia trial to Lessen trAumatic bRain injury-Randomised Controlled Trial

Author

Presneill, Jeffrey, Gantner, Dashiell, Nichol, Alistair, McArthur, Colin, Forbes, Andrew, Kasza, Jessica, Trapani, Tony, Murray, Lynnette, Bernard, Stephen, Cameron, Peter, Capellier, Gilles, Huet, Olivier, Newby, Lynette, Rashford, Stephen, Rosenfeld, Jeffrey V., Smith, Tony, Stephenson, Michael, Varma, Dinesh, Vallance, Shirley, Walker, Tony, Webb, Steve, James Cooper, D., and On behalf of the POLAR investigators and the ANZICS Clinical Trials Group

Published
2018
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379. Anatomy of a Neotropical insect radiation

Author

Winkler, Isaac, Scheffer, Sonja J., Lewis, Matthew L., Ottens, Kristina J., Rasmussen, Andrew P., Gomes-Costa, Géssica A., Huerto Santillan, Luz Maria, Condon, Marty A., and Forbes, Andrew A.

Published
2018
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380. Universal crosstalk of twisted light in random media

Author

Bachmann, David, Klug, Asher, Isoard, Mathieu, Shatokhin, Vyacheslav, Sorelli, Giacomo, Buchleitner, Andreas, and Forbes, Andrew

Subjects
Physics - Atmospheric and Oceanic Physics, Atmospheric and Oceanic Physics (physics.ao-ph), FOS: Physical sciences, Physics::Optics, Optics (physics.optics), Physics - Optics
Abstract

Structured light offers wider bandwidths and higher security for communication. However, propagation through complex random media, such as the Earth's atmosphere, typically induces intermodal crosstalk. We show numerically and experimentally that coupling of photonic orbital angular momentum (OAM) modes is governed by a universal function of a single parameter -- the ratio between the random medium's and the beam's transverse correlation lengths, even in the regime of pronounced intensity fluctuations., 5 pages, 4 figures

Published
2022

381. Revealing the embedded phase in single pixel quantum ghost imaging

Author

Sephton, Bereneice, Nape, Isaac, Moodley, Chané, Francis, Jason, and Forbes, Andrew

Subjects
Quantum Physics, FOS: Physical sciences, Quantum Physics (quant-ph)
Abstract

We outline and experimentally demonstrate a method to image pure phase objects using traditional quantum ghost imaging with single pixel detectors. We provide a theoretical description of the process, showing how phase information is embedded in the correlation measurements of spatially entangled photon pairs in which only one of the pair interacts with the object. Using pairs of digital projective masks, one amplitude-only and one phase-only, we reconstruct two partial phase images of the object. Using both these images, we can retrieve the full detailed phase profile of the object without ambiguity, which we demonstrate on objects exhibiting phase steps and gradients.

Published
2022

382. Robust structured light in atmospheric turbulence

Author

Klug, Asher, Peters, Cade, and Forbes, Andrew

Subjects
Biomedical Engineering, FOS: Physical sciences, Atomic and Molecular Physics, and Optics, Optics (physics.optics), Electronic, Optical and Magnetic Materials, Physics - Optics
Abstract

Structured light is routinely used in free space optical communication channels, both classical and quantum, where information is encoded in the spatial structure of the mode for increased bandwidth. Unlike polarisation, the spatial structure of light is perturbed through such channels by atmospheric turbulence, and consequently, much attention has focused on whether one mode type is more robust than another, but with seemingly inconclusive and contradictory results. Both real-world and experimentally simulated turbulence conditions have revealed that free-space structured light modes are perturbed in some manner by turbulence, resulting in both amplitude and phase distortions. Here, we present complex forms of structured light which are invariant under propagation through the atmosphere: the true eigenmodes of atmospheric turbulence. We provide a theoretical procedure for obtaining these eigenmodes and confirm their invariance both numerically and experimentally. Although we have demonstrated the approach on atmospheric turbulence, its generality allows it to be extended to other channels too, such as underwater and in optical fibre., 11 pages, 9 figures. Submitted to Advanced Photonics

Published
2022

384. Telephone-delivered exercise advice and behavior change support by physical therapists for people with knee osteoarthritis: Protocol for the telecare randomized controlled trial

Author

Hinman, Rana S., Lawford, Belinda J., Campbell, Penny K., Briggs, Andrew M., Gale, Janette, Bills, Caroline, French, Simon D., Kasza, Jessica, Forbes, Andrew, Harris, Anthony, Bunker, Stephen J., Delany, Clare M., and Bennell, Kim L.

Subjects
Exercise -- Usage -- Analysis, Telecommunications services industry -- Analysis -- Usage, Osteoarthritis -- Care and treatment, Physical fitness -- Analysis -- Usage, Physical therapists -- Practice -- Usage -- Analysis, Communications industry -- Analysis -- Usage, Telecommunications services industry, Health
Abstract

Background. Exercise and physical activity are a core component of knee osteoarthritis (OA) care, yet access to physical therapists is limited for many people. Telephone service delivery models may increase [...]

Published
2017
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385. Highly perturbed genes and hub genes associated with type 2 diabetes in different tissues of adult humans : a bioinformatics analytic workflow

Author

De Silva, Kushan, Demmer, Ryan T., Jönsson, Daniel, Mousa, Aya, Forbes, Andrew, Enticott, Joanne, De Silva, Kushan, Demmer, Ryan T., Jönsson, Daniel, Mousa, Aya, Forbes, Andrew, and Enticott, Joanne

Abstract

Type 2 diabetes (T2D) has a complex etiology which is not yet fully elucidated. The identification of gene perturbations and hub genes of T2D may deepen our understanding of its genetic basis. We aimed to identify highly perturbed genes and hub genes associated with T2D via an extensive bioinformatics analytic workflow consisting of five steps: systematic review of Gene Expression Omnibus and associated literature; identification and classification of differentially expressed genes (DEGs); identification of highly perturbed genes via meta-analysis; identification of hub genes via network analysis; and downstream analysis of highly perturbed genes and hub genes. Three meta-analytic strategies, random effects model, vote-counting approach, and p value combining approach, were applied. Hub genes were defined as those nodes having above-average betweenness, closeness, and degree in the network. Downstream analyses included gene ontologies, Kyoto Encyclopedia of Genes and Genomes pathways, metabolomics, COVID-19-related gene sets, and Genotype-Tissue Expression profiles. Analysis of 27 eligible microarrays identified 6284 DEGs (4592 downregulated and 1692 upregulated) in four tissue types. Tissue-specific gene expression was significantly greater than tissue non-specific (shared) gene expression. Analyses revealed 79 highly perturbed genes and 28 hub genes. Downstream analyses identified enrichments of shared genes with certain other diabetes phenotypes; insulin synthesis and action-related pathways and metabolomics; mechanistic associations with apoptosis and immunity-related pathways; COVID-19-related gene sets; and cell types demonstrating over- and under-expression of marker genes of T2D. Our approach provided valuable insights on T2D pathogenesis and pathophysiological manifestations. Broader utility of this pipeline beyond T2D is envisaged.

Published
2022
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388. Revealing the invariance of vectorial structured light in complex media

Author

Nape, Isaac, primary, Singh, Keshaan, additional, Klug, Asher, additional, Buono, Wagner, additional, Rosales-Guzman, Carmelo, additional, McWilliam, Amy, additional, Franke-Arnold, Sonja, additional, Kritzinger, Ané, additional, Forbes, Patricia, additional, Dudley, Angela, additional, and Forbes, Andrew, additional

Published
2022
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398. Complex-Light Lasers

Author

Davidson, Nir, primary, Mahler, Simon, additional, Friesem, Asher, additional, and Forbes, Andrew, additional

Published
2022
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400. The arthropod associates of 155 North American cynipid oak galls

Author

Ward, Anna K.G., primary, Busbee, Robert W., additional, Chen, Rachel A., additional, Davis, Charles K., additional, Driscoe, Amanda L., additional, Egan, Scott P., additional, Goldberg, Bailey A.R., additional, Hood, Glen Ray, additional, Jones, Dylan G., additional, Kranz, Adam J., additional, Meadely Dunphy, Shannon A., additional, Milks, Alyson K., additional, Ott, James R., additional, Prior, Kirsten M., additional, Sheikh, Sofia I., additional, Shzu, Shihan, additional, Weinersmith, Kelly L., additional, Zhang, Linyi, additional, Zhang, Y. Miles, additional, and Forbes, Andrew A., additional

Published
2022
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