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Physiological and biochemical processes underlying the differential sucrose yield and biomass production in sugarcane varieties
- Tamires Da Silva Martins, José R. Magalhães Filho, Larissa Prado Cruz, Daniela F. S. P. Machado, Norma M. Erismann, Rose M. A. Gondim-Tomaz, Paulo E. R. Marchiori, André L. B. O. Silva, Eduardo Caruso Machado, Rafael Vasconcelos Ribeiro
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- Journal:
- Experimental Agriculture / Volume 60 / 2024
- Published online by Cambridge University Press:
- 14 May 2024, e13
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Sucrose yield in sugarcane is a complex process regulated by both environmental and endogenous factors. However, the metabolic balance driving vegetative growth and sucrose accumulation remains poorly understood. Herein, we carried out a comprehensive assessment of carbohydrate dynamics throughout the crop cycle in two sugarcane varieties varying in biomass production, evaluating the carbon metabolism in both leaves and stalks. Our data revealed that the decline in photosynthetic rates during sugarcane maturation is associated not only to accumulation of sugars in leaves but also due to stomatal and non-stomatal limitations. We found that metabolic processes in leaves and stalks were intrinsically linked. While IACSP94-2094 had higher stalk sucrose concentration than IACSP95-5000, this latter produced more biomass. Compared to IACSP95-5000, IACSP94-2094 showed higher sucrose phosphate synthase (SPS) activity in leaves and stalks, along with lower soluble acid invertase (SAI) activity in leaves during the maximum growth stage. Interestingly, IACSP94-2094 also exhibited higher stalk SPS activity and lower stalk SAI activity than IACSP95-5000 during maturation. High biomass production by IACSP95-5000 was associated with higher sucrose synthase (SuSy) and SAI activity in leaves and higher SuSy and soluble neutral invertase (SNI) activity in stalks when compared to IACSP94-2094 during the maximum growth. Despite the contrasting strategies, both varieties displayed similar total sucrose yield, a balance between sucrose concentration and biomass production. This phenomenon implies the presence of a compensatory mechanism in sugarcane, with high biomass production compensating low sucrose accumulation and vice versa.
Effects of fetal bovine serum on trophectoderm and primitive endoderm cell allocation of in vitro-produced bovine embryos
- Felipe Eduardo Luedke, Caroline Pereira da Costa, Camilla Mota Mendes, Thais Rose dos Santos Hamilton, Marcella Pecora Milazzotto, Mayra E. O. A. Assumpção, Marcelo Demarchi Goissis
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Supplementing embryonic culture medium with fetal bovine serum (FBS) renders this medium undefined. Glucose and growth factors present in FBS may affect the results of cell differentiation studies. This study tested the hypothesis that FBS supplementation during in vitro culture (IVC) alters cell differentiation in early bovine embryo development. Bovine embryos were produced in vitro and randomly distributed into three experimental groups at 90 h post insemination (90 hpi): the KSOM-FBS group, which consisted of a 5% (v/v) FBS supplementation; the KSOM33 group, with the renewal of 33% of medium volume; and the KSOM-Zero group, without FBS supplementation nor renewal of the culture medium. The results showed that the blastocyst rate (blastocyst/oocytes) at 210 hpi in the KSOM-FBS group was higher than in the KSOM-Zero group but not different from the KSOM33 group. There were no significant changes in metabolism-related aspects, such as fluorescence intensities of CellROX Green and MitoTracker Red or reduced nicotinamide adenine dinucleotide (NADH) and flavin adenine dinucleotide (FAD+). Immunofluorescence analysis of CDX2 revealed that the lack of FBS or medium supplementation reduced the number of trophectoderm (TE) cells and total cells. Immunofluorescence analysis revealed a reduction of SOX17-positive cell numbers after FBS supplementation compared with the KSOM33 group. Therefore, we concluded that FBS absence reduced blastocyst rates; however, no reduction occurred when there was a 33% volume renewal of the medium at 90 hpi. We also concluded that FBS supplementation altered TE and primitive endoderm cell allocation during early bovine embryo development.
Vaccination rates in cochlear implant patients: a review of paediatric recipients
- O Rose, R Moriarty, C Brown, H Teagle, M Neeff
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- Journal:
- The Journal of Laryngology & Otology / Volume 136 / Issue 7 / July 2022
- Published online by Cambridge University Press:
- 26 October 2021, pp. 628-631
- Print publication:
- July 2022
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Objective
This study aimed to investigate whether children with cochlear implants received the recommended vaccinations according to New Zealand national immunisation guidelines and to report the incidence of meningitis in this population after intervention.
MethodA retrospective review of the vaccination coverage of paediatric patients receiving cochlear implants between 2005 and 2019 was performed.
ResultsData were collected on 203 children. Evidence of immunisation against Haemophilus influenza B was documented in 94.1 per cent of this cohort and 21.2 per cent received the seasonal influenza vaccine. The pneumococcal conjugate vaccine was fully administered in 81.8 per cent of children; however, only 16.9 per cent of eligible children had received the pneumococcal polysaccharide vaccine. There was marked improvement in compliance to the pneumococcal conjugate vaccine once it became fully funded for cochlear implant patients.
ConclusionDespite established guidelines, the paediatric vaccination rates were less than expected. Work is in progress to address this.
Dietary essential oils improve feed efficiency and hepatic antioxidant content of broiler chickens
- V. Pirgozliev, S. C. Mansbridge, S. P. Rose, A. M. Mackenzie, A. Beccaccia, F. Karadas, S. G. Ivanova, G. P. Staykova, O. O. Oluwatosin, D. Bravo
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The aim of this study was to test the hypothesis of an improved growth, dietary nutrient availability and overall health of broiler chickens reared on recycled litter when fed a standardised combination of essential oils (EO; carvacrol, cinnamaldehyde and capsicum oleoresin). To assess the effect of dietary treatments, feed intake, weight gain, feed efficiency, availability of dietary nutrients and energy, villus morphometry, excreta sialic acid concentration, hepatic antioxidants and serum amyloid A (SAA) when fed to broiler chickens were evaluated. Counts of Eimeria spp. oocysts were also determined in excreta samples. Four experimental diets were offered, including two basal control diets based on either wheat or maize that contained 215 g CP/kg and 12.13 MJ/kg metabolisable energy and another two diets using the basal control diets supplemented with the EO combination at 100 mg/kg diet. Each diet was fed to eight floor pens, containing two birds each, following randomisation. Birds fed the EO-supplemented diets had an improved (P<0.05) feed conversion ratio (FCR). Birds fed maize-based diet had an improved daily weight gain and FCR (P<0.05) compared with wheat-fed birds. Wheat-based diet tended (P=0.056) to have greater N-corrected apparent metabolisable energy and had greater fat retention coefficient (P<0.05) compared with maize-based diets. No differences (P>0.05) were observed in villus morphometry, sialic acid secretion, number of oocysts and SAA. Feeding the EO improved (P<0.05) the retention of dietary Ca and Na. Compared with maize, feeding wheat-based diets improved the retention coefficients for Ca, P and Na (P<0.05). Feeding dietary EO improved (P<0.05) the concentrations of the hepatic antioxidants, including carotene, coenzyme Q10 and total vitamin E. The hepatic concentration of carotene of the maize-fed birds was 55.6% greater (P<0.05) compared with the wheat-fed birds. These results demonstrated that the addition of a standardised combination of EO in wheat- and maize-based diets provided benefits in terms of feed efficiency, mineral retention and antioxidant status of the birds when reared on recycled litter.
LO045: Sonography in Hypotension and Cardiac Arrest (SHoC) - Cardiac Arrest: A consensus on the integration of point of care ultrasound into advanced cardiac life support during cardiac arrest
- P. Atkinson, J. Bowra, J. Milne, M. Lambert, B. Jarman, V. Noble, H. Lamprecht, D. Lewis, T. Harris, R. Gangahar, Advisory panel members , S. Bomann, A. Goudie, H. Poncia, A. Bystrzycki, G. Blecher, M. Rose, S. Dass, O. Doran, R. Large, A. Salter, J. Sadewasser, A. Murray, M. Rawson, M. Stander, C. Muhr, J. Connolly, R. Gaspari, R. Kessler, C. Raio, P. Sierzenski, B. Hoffmann, C. Pham, M. Woo, P. Olszynski, R. Henneberry, O. Frenkel, J. Chenkin, G. Hall, L. Rang, M. Valois, C. Wurster, M. Tutschka, R. Arntfield, J. Fischer, M. Tessaro
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- Journal:
- Canadian Journal of Emergency Medicine / Volume 18 / Issue S1 / May 2016
- Published online by Cambridge University Press:
- 02 June 2016, pp. S45-S46
- Print publication:
- May 2016
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Introduction: Point of care ultrasound (PoCUS) provides invaluable information during resuscitation efforts in cardiac arrest by determining presence/absence of cardiac activity and identifying reversible causes such as pericardial tamponade. There is no agreed guideline on how to safely and effectively incorporate PoCUS into the advanced cardiac life support (ACLS) algorithm. We consider that a consensus-based priority checklist using a “4 F’s” approach (Fluid; Form; Function; Filling), would provide a better algorithm during ACLS. Methods: The ultrasound subcommittee of the Australasian College for Emergency Medicine (ACEM) drafted a checklist incorporating PoCUS into the ACLS algorithm. This was further developed using the input of 24 international experts associated with five professional organizations led by the International Federation of Emergency Medicine. A modified Delphi tool was developed to reach an international consensus on how to integrate ultrasound into cardiac arrest algorithms for emergency department patients. Results: Consensus was reached following 3 rounds. The agreed protocol focuses on the timing of PoCUS as well as the specific clinical questions. Core cardiac windows performed during the rhythm check pause in chest compressions are the sub-xiphoid and parasternal cardiac views. Either view should be used to detect pericardial fluid, as well as examining ventricular form (e.g. right heart strain) and function, (e.g. asystole versus organized cardiac activity). Supplementary views include lung views (for absent lung sliding in pneumothorax and for pleural fluid), and IVC views for filling. Additional ultrasound applications are for endotracheal tube confirmation, proximal leg veins for DVT, or for sources of blood loss (AAA, peritoneal/pelvic fluid). Conclusion: The authors hope that this process will lead to a consensus-based SHoC-cardiac arrest guideline on incorporating PoCUS into the ACLS algorithm.
Is there a place for nutrition-sensitive agriculture?
- Florence Wambugu, Silas Obukosia, Jim Gaffney, Daniel Kamanga, Ping Che, Marc C. Albertsen, Zuo-Yu Zhao, Lonnetta Ragland, Mary Yeye, Esther Kimani, Daniel Aba, Rose Gidado, B. O. Solomon, Michael Njuguna
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- Journal:
- Proceedings of the Nutrition Society / Volume 74 / Issue 4 / November 2015
- Published online by Cambridge University Press:
- 08 April 2015, pp. 441-448
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The focus of the review paper is to discuss how biotechnological innovations are opening new frontiers to mitigate nutrition in key agricultural crops with potential for large-scale health impact to people in Africa. The general objective of the Africa Biofortified Sorghum (ABS) project is to develop and deploy sorghum with enhanced pro-vitamin A to farmers and end-users in Africa to alleviate vitamin A-related micronutrient deficiency diseases. To achieve this objective the project technology development team has developed several promising high pro-vitamin A sorghum events. ABS 203 events are so far the most advanced and well-characterised lead events with about 12 μg β-carotene/g tissue which would supply about 40–50 % of the daily recommended vitamin A at harvest. Through gene expression optimisation other events with higher amounts of pro-vitamin A, including ABS 214, ABS 235, ABS 239 with 25, 30–40, 40–50 μg β-carotene/g tissue, respectively, have been developed. ABS 239 would provide twice recommended pro-vitamin A at harvest, 50–90 % after 3 months storage and 13–45 % after 6 months storage for children. Preliminary results of introgression of ABS pro-vitamin A traits into local sorghum varieties in target countries Nigeria and Kenya show stable introgression of ABS vitamin A into local farmer-preferred sorghums varieties. ABS gene Intellectual Property Rights and Freedom to Operate have been donated for use royalty free for Africa. Prior to the focus on the current target countries, the project was implemented by fourteen institutions in Africa and the USA. For the next 5 years, the project will complete ABS product development, complete regulatory science data package and apply for product deregulation in target African countries.
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- By Rhonda A. Alexis, Graciela Argote-Romero, Amanda K. Brown, Veronica O. Busso, Julie Chen, Vidya Chidambaran, Smokey J. Clay, Andrew J. Costandi, Mary A. Felberg, John Fiadjoe, Kenneth R. Goldschneider, Diane Gordon, Erin A. Gottlieb, Amy Graham-Carlson, Nancy S. Hagerman, Stephen Robert Hays, Lisa D. Heyden, Normidaris Jimenez, Tae W. Kim, Rachel A. Koll, Rebecca Laurich, Yang Liu, Mohamed Mahmoud, Jagroop Mavi, Matthew Mitchell, David L. Moore, Jacquelyn W. Morillo-Delerme, Pablo Motta, Vanessa A. Olbrecht, Olutoyin A. Olutoye, Carlos L. Rodriguez, Joanna L. Rosing, Senthilkumar Sadhasivam, Catherine P. Seipel, Shakeel A. Siddiqui, Matthew D. Sjoblom, Paul Stricker, Rajeev Subramanyam, Alexandra Szabova, Kha M. Tran, Premal M. Trivedi, Luigi Viola, Nitin Wadhwa, David A. Young
- Edited by David A. Young, Baylor College of Medicine, Texas, Olutoyin A. Olutoye, Baylor College of Medicine, Texas
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- Book:
- Handbook of Critical Incidents and Essential Topics in Pediatric Anesthesiology
- Published online:
- 05 November 2014
- Print publication:
- 13 October 2014, pp xv-xviii
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The effects of co-morbidity in defining major depression subtypes associated with long-term course and severity
- K. J. Wardenaar, H. M. van Loo, T. Cai, M. Fava, M. J. Gruber, J. Li, P. de Jonge, A. A. Nierenberg, M. V. Petukhova, S. Rose, N. A. Sampson, R. A. Schoevers, M. A. Wilcox, J. Alonso, E. J. Bromet, B. Bunting, S. E. Florescu, A. Fukao, O. Gureje, C. Hu, Y. Q. Huang, A. N. Karam, D. Levinson, M. E. Medina Mora, J. Posada-Villa, K. M. Scott, N. I. Taib, M. C. Viana, M. Xavier, Z. Zarkov, R. C. Kessler
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- Journal:
- Psychological Medicine / Volume 44 / Issue 15 / November 2014
- Published online by Cambridge University Press:
- 17 July 2014, pp. 3289-3302
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Background.
Although variation in the long-term course of major depressive disorder (MDD) is not strongly predicted by existing symptom subtype distinctions, recent research suggests that prediction can be improved by using machine learning methods. However, it is not known whether these distinctions can be refined by added information about co-morbid conditions. The current report presents results on this question.
Method.Data came from 8261 respondents with lifetime DSM-IV MDD in the World Health Organization (WHO) World Mental Health (WMH) Surveys. Outcomes included four retrospectively reported measures of persistence/severity of course (years in episode; years in chronic episodes; hospitalization for MDD; disability due to MDD). Machine learning methods (regression tree analysis; lasso, ridge and elastic net penalized regression) followed by k-means cluster analysis were used to augment previously detected subtypes with information about prior co-morbidity to predict these outcomes.
Results.Predicted values were strongly correlated across outcomes. Cluster analysis of predicted values found three clusters with consistently high, intermediate or low values. The high-risk cluster (32.4% of cases) accounted for 56.6–72.9% of high persistence, high chronicity, hospitalization and disability. This high-risk cluster had both higher sensitivity and likelihood ratio positive (LR+; relative proportions of cases in the high-risk cluster versus other clusters having the adverse outcomes) than in a parallel analysis that excluded measures of co-morbidity as predictors.
Conclusions.Although the results using the retrospective data reported here suggest that useful MDD subtyping distinctions can be made with machine learning and clustering across multiple indicators of illness persistence/severity, replication with prospective data is needed to confirm this preliminary conclusion.
Contributors
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- By Zachary W. Adams, Margarita Alegría, Atalay Alem, Jordi Alonso, Victor Aparicio, Rifat Atun, Florence Baingana, Emily Baron, Marco Bertelli, Dinesh Bhugra, Sanchita Biswas, José Miguel Caldas de Almeida, Edwin Cameron, Somnath Chatterji, Erminia Colucci, Janice L. Cooper, Carla Kmett Danielson, Diego De Leo, Mary-Jo DelVecchio Good, Marten W. de Vries, Maureen S. Durkin, Xiangming Fang, Julia W. Felton, Sally Field, Andrea Fiorillo, Lance Gable, Teddy Gafna, Sandro Galea, Patrick Gatonga, Sofia Halperin-Goldstein, Yanling He, Grace A. Herbert, Sabrina Hermosilla, Simone Honikman, Takashi Izutsu, Ruwan M. Jayatunge, Janis H. Jenkins, Rachel Jenkins, Lynne Jones, Jayanthi Karunaratne, Ronald C. Kessler, Rob Keukens, Lincoln I. Khasakhala, Hanna Kienzler, Sarah Kippen Wood, M. Thomas Kishore, Robert Kohn, Natasja Koitzsch Jensen, Sheri Lapatin, Anna Lessios, Isabel Louro Bernal, Feijun Luo, Laura MacPherson, Matthew J. Maenner, Anne W. Mbwayo, David McDaid, Ingrid Meintjes, Victoria N. Mutiso, David M. Ndetei, Samuel O. Okpaku, Lijing Ouyang, Ramachandran Padmavati, Clare Pain, Duncan Pedersen, Jordan Pfau, Felipe Picon, Rodney D. Presley, Reima Pryor, Shoba Raja, Thara Rangaswamy, Jorge Rodriguez, Diana Rose, Moosa Salie, Norman Sartorius, Ester Shapiro, Manuela Silva, Daya Somasundaram, Katherine Sorsdahl, Dan J. Stein, Deborah M. Stone, Heather Stuart, Athula Sumathipala, Hema Tharoor, Rita Thom, Lay San Too, Atsuro Tsutsumi, Chris Underhill, Anne Valentine, Claire van der Westhuizen, Thandi van Heyningen, Robert van Voren, Inka Weissbecker, Gail Wyatt
- Edited by Samuel O. Okpaku
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- Book:
- Essentials of Global Mental Health
- Published online:
- 05 March 2014
- Print publication:
- 27 February 2014, pp x-xiv
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Development of the ITHACA Toolkit for monitoring human rights and general health care in psychiatric and social care institutions
- J. Randall, G. Thornicroft, L. Burti, H. Katschnig, O. Lewis, J. Russo, T. Shaw, K. Wahlbeck, D. Rose
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- Journal:
- Epidemiology and Psychiatric Sciences / Volume 22 / Issue 3 / September 2013
- Published online by Cambridge University Press:
- 19 October 2012, pp. 241-254
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Background.
Human rights violations are commonly experienced by people in psychiatric and social care institutions. States and private organizations providing such health and social services must comply with international human rights law. Monitoring of such compliance is increasingly recognized as a vital component in ensuring that rights are respected and violations are brought out in the open, remedied and prevented.
Aims.The Institutional Treatment, Human Rights and Care Assessment (ITHACA) project produced a method to document violations and good practice with the aim of preventing human rights violations and improving general health care practice in psychiatric and social care institutions (www.ithacastudy.eu).
Methods.A methodological and implementation study conducted across 15 European countries developed and assessed the ITHACA Toolkit in monitoring visits to 87 mental health organizations.
Results.The toolkit is available in 13 European languages and has demonstrated applicability in a range of contexts and conditions. The information gathered through monitoring visits can document both good practice and areas for improvement.
Conclusions.The ITHACA Toolkit is an acceptable and feasible method for the systematic monitoring of human rights and general health care in psychiatric and social care institutions that explicitly calls for the participation of service users in the monitoring of human rights violations and general health care practice.
Contributors
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- By Chittima Aryuthaka, William J. Baker, Chris Banks, David R. Bellwood, David Bickford, Rafe M. Brown, Mark de Bruyn, Patrick Campbell, Charles H. Cannon, Gary R. Carvalho, Craig M. Costion, Thomas L. P. Couvreur, Ben J. Evans, Nicholas J. Evans, Matthias Glaubrecht, David J. Gower, Robert Hall, Fabian Herder, Aljosja Hooijer, Agata Hoscilo, Chawaporn Jittanoon, Kenneth G. Johnson, Michael A. Kendall, Peter B. Mather, Yaowaluk Monthum, Robert J. Morley, Alexandra N. Muellner, Vincent Nijman, Les R. Noble, Kevin M. O’Neill, Susan Page, Gordon L. J. Paterson, Sinlan Poo, Mary Rose C. Posa, Richard Ree, Willem Renema, James E. Richardson, Jack Rieley, Kristina von Rintelen, Thomas von Rintelen, Brian R. Rosen, Lukas Rüber, Christoph D. Schubart, Chris R. Shepherd, Bryan L. Stuart, Matthew Todd, Campbell O. Webb, Suzanne T. Williams, John van Wyhe
- Edited by David Gower, Natural History Museum, London, Kenneth Johnson, Natural History Museum, London, James Richardson, Royal Botanic Garden Edinburgh, Brian Rosen, Natural History Museum, London, Lukas Rüber, Suzanne Williams, Natural History Museum, London
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- Book:
- Biotic Evolution and Environmental Change in Southeast Asia
- Published online:
- 05 August 2012
- Print publication:
- 19 July 2012, pp vii-x
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MIGRATION FLIGHT BY AN APHID, RHOPALOSIPHUM MAIDIS (HEMIPTERA: APHIDIDAE), AND A NOCTUID, SPODOPTERA FRUGIPERDA (LEPIDOPTERA: NOCTUIDAE)
- A. H. Rose, R. H. Silversides, O. H. Lindquist
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- Journal:
- The Canadian Entomologist / Volume 107 / Issue 6 / June 1975
- Published online by Cambridge University Press:
- 31 May 2012, pp. 567-576
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An instance of medium-range migration by Rhopalosiphum maidis (Fitch) and of long-range migration by Spodoptera frugiperda (J. E. Smith) are documented and the weather systems that made the migrations possible are detailed. Although both species were carried beyond their northern limit for overwinter survival and little damage ensued, the usefulness of synoptic weather analysis in explaining sudden population increases is shown.
Variance Components Models for Physical Activity With Age as Modifier: A Comparative Twin Study in Seven Countries
- Jacqueline M. Vink, Dorret I. Boomsma, Sarah E. Medland, Marleen H. M. de Moor, Janine H. Stubbe, Belinda K. Cornes, Nicholas G. Martin, Axel Skytthea, Kirsten O. Kyvik, Richard J. Rose, Urho M. Kujala, Jaakko Kaprio, Jennifer R. Harris, Nancy L. Pedersen, Lynn Cherkas, Tim D. Spector, Eco J. C. de Geus
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- Journal:
- Twin Research and Human Genetics / Volume 14 / Issue 1 / 01 February 2011
- Published online by Cambridge University Press:
- 21 February 2012, pp. 25-34
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Physical activity is influenced by genetic factors whose expression may change with age. We employed an extension to the classical twin model that allows a modifier variable, age, to interact with the effects of the latent genetic and environmental factors. The model was applied to self-reported data from twins aged 19 to 50 from seven countries that collaborated in the GenomEUtwin project: Australia, Denmark, Finland, Norway, Netherlands, Sweden and United Kingdom. Results confirmed the importance of genetic influences on physical activity in all countries and showed an age-related decrease in heritability for 4 countries. In the other three countries age did not interact with heritability but those samples were smaller or had a more restricted age range. Effects of shared environment were absent, except in older Swedish participants. The study confirms the importance of taking age effects into account when exploring the genetic and environmental contribution to physical activity. It also suggests that the power of genome-wide association studies to identify the genetic variants contributing to physical activity may be larger in young adult cohorts.
Contributors
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- By Phillip L. Ackerman, Soon Ang, Susan M. Barnett, G. David Batty, Anna S. Beninger, Jillian Brass, Meghan M. Burke, Nancy Cantor, Priyanka B. Carr, David R. Caruso, Stephen J. Ceci, Lillia Cherkasskiy, Joanna Christodoulou, Andrew R. A. Conway, Christine E. Daley, Janet E. Davidson, Jim Davies, Katie Davis, Ian J. Deary, Colin G. DeYoung, Ron Dumont, Carol S. Dweck, Linn Van Dyne, Pascale M. J. Engel de Abreu, Joseph F. Fagan, David Henry Feldman, Kurt W. Fischer, Marisa H. Fisher, James R. Flynn, Liane Gabora, Howard Gardner, Glenn Geher, Sarah J. Getz, Judith Glück, Ashok K. Goel, Megan M. Griffin, Elena L. Grigorenko, Richard J. Haier, Diane F. Halpern, Christopher Hertzog, Robert M. Hodapp, Earl Hunt, Alan S. Kaufman, James C. Kaufman, Scott Barry Kaufman, Iris A. Kemp, John F. Kihlstrom, Joni M. Lakin, Christina S. Lee, David F. Lohman, N. J. Mackintosh, Brooke Macnamara, Samuel D. Mandelman, John D. Mayer, Richard E. Mayer, Martha J. Morelock, Ted Nettelbeck, Raymond S. Nickerson, Weihua Niu, Anthony J. Onwuegbuzie, Jonathan A. Plucker, Sally M. Reis, Joseph S. Renzulli, Heiner Rindermann, L. Todd Rose, Anne Russon, Peter Salovey, Scott Seider, Ellen L. Short, Keith E. Stanovich, Ursula M. Staudinger, Robert J. Sternberg, Carli A. Straight, Lisa A. Suzuki, Mei Ling Tan, Maggie E. Toplak, Susana Urbina, Richard K. Wagner, Richard F. West, Wendy M. Williams, John O. Willis, Thomas R. Zentall
- Edited by Robert J. Sternberg, Oklahoma State University, Scott Barry Kaufman, New York University
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- Book:
- The Cambridge Handbook of Intelligence
- Published online:
- 05 June 2012
- Print publication:
- 30 May 2011, pp xi-xiv
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Observation of amplification of light by Langmuir waves and its saturation on the electron kinetic timescale
- R. K. KIRKWOOD, Y. PING, S. C. WILKS, N. MEEZAN, P. MICHEL, E. WILLIAMS, D. CLARK, L. SUTER, O. LANDEN, N. J. FISCH, E. J. VALEO, V. MALKIN, D. TURNBULL, S. SUCKEWER, J. WURTELE, T. L. WANG, S. F. MARTINS, C. JOSHI, L. YIN, B. J. ALBRIGHT, H. A. ROSE, K. J. BOWERS
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- Journal:
- Journal of Plasma Physics / Volume 77 / Issue 4 / August 2011
- Published online by Cambridge University Press:
- 21 December 2010, pp. 521-528
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Experiments demonstrate the ~77× amplification of 0.5 to 3.5-ps pulses of seed light by interaction with Langmuir waves in a low density (1.2 × 1019 cm−3) plasma produced by a 1-ns, 230-J, 1054-nm pump beam with 1.2 × 1014 W/cm2 intensity. The waves are strongly damped (kλD = 0.38, Te = 244 eV) and grow over a ~ 1 mm length, similar to what is experienced by scattered light when it interacts with crossing beams as it exits an ignition target. The amplification reduces when the seed intensity increases above ~1 × 1011 W/cm2, indicating that saturation of the plasma waves on the electron kinetic time scale (<0.5 ps) limits the scatter to ~1% of the available pump energy. The observations are in agreement with 2D PIC simulations in this case.
Contributors
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- By Rose Teteki Abbey, K. C. Abraham, David Tuesday Adamo, LeRoy H. Aden, Efrain Agosto, Victor Aguilan, Gillian T. W. Ahlgren, Charanjit Kaur AjitSingh, Dorothy B E A Akoto, Giuseppe Alberigo, Daniel E. Albrecht, Ruth Albrecht, Daniel O. Aleshire, Urs Altermatt, Anand Amaladass, Michael Amaladoss, James N. Amanze, Lesley G. Anderson, Thomas C. Anderson, Victor Anderson, Hope S. Antone, María Pilar Aquino, Paula Arai, Victorio Araya Guillén, S. Wesley Ariarajah, Ellen T. Armour, Brett Gregory Armstrong, Atsuhiro Asano, Naim Stifan Ateek, Mahmoud Ayoub, John Alembillah Azumah, Mercedes L. García Bachmann, Irena Backus, J. Wayne Baker, Mieke Bal, Lewis V. Baldwin, William Barbieri, António Barbosa da Silva, David Basinger, Bolaji Olukemi Bateye, Oswald Bayer, Daniel H. Bays, Rosalie Beck, Nancy Elizabeth Bedford, Guy-Thomas Bedouelle, Chorbishop Seely Beggiani, Wolfgang Behringer, Christopher M. Bellitto, Byard Bennett, Harold V. Bennett, Teresa Berger, Miguel A. Bernad, Henley Bernard, Alan E. Bernstein, Jon L. Berquist, Johannes Beutler, Ana María Bidegain, Matthew P. Binkewicz, Jennifer Bird, Joseph Blenkinsopp, Dmytro Bondarenko, Paulo Bonfatti, Riet en Pim Bons-Storm, Jessica A. Boon, Marcus J. Borg, Mark Bosco, Peter C. Bouteneff, François Bovon, William D. Bowman, Paul S. Boyer, David Brakke, Richard E. Brantley, Marcus Braybrooke, Ian Breward, Ênio José da Costa Brito, Jewel Spears Brooker, Johannes Brosseder, Nicholas Canfield Read Brown, Robert F. Brown, Pamela K. Brubaker, Walter Brueggemann, Bishop Colin O. Buchanan, Stanley M. Burgess, Amy Nelson Burnett, J. Patout Burns, David B. Burrell, David Buttrick, James P. Byrd, Lavinia Byrne, Gerado Caetano, Marcos Caldas, Alkiviadis Calivas, William J. Callahan, Salvatore Calomino, Euan K. Cameron, William S. Campbell, Marcelo Ayres Camurça, Daniel F. Caner, Paul E. Capetz, Carlos F. Cardoza-Orlandi, Patrick W. Carey, Barbara Carvill, Hal Cauthron, Subhadra Mitra Channa, Mark D. 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- The Cambridge Dictionary of Christianity
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The influence of rainfall on the yield and botanical composition of permanent grass at Rothamsted
- Rose O. Cashen
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- The Journal of Agricultural Science / Volume 37 / Issue 1 / January 1947
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- 27 March 2009, pp. 1-10
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The influence of rainfall during the growing season on the yield of the Park Grass plots at Rothamsted, which are cut for hay every year, has been investigated.
The average yields in the period 1858–1902 on the thirteen plots examined were from 18 cwt./acre on an unmanured plot to 61 cwt./acre on a plot receiving a complete fertilizer including a heavy dressing of nitrogen. All the plots showed some deterioration in yield. The effect of the total amount of rainfall from 5 March to 8 July was very substantial on all plots, the average increase in yield for each additional inch of rain varying between 0·7 and 2·4 cwt./acre; the benefit was greatest on the plots dressed with sulphate of ammonia. The rainfall effects reached a maximum in the latter part of April and early May, but the distribution of the rain appeared to be of relatively small importance.
Robert Gray. The factory question and industrial England, 1830–1860. Cambridge University Press, Cambridge [etc.] 1996. xiv, 253 pp. Ill. £35.00; $59.95.
- Sonya O. Rose
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- International Review of Social History / Volume 42 / Issue 2 / August 1997
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- 20 February 2009, pp. 290-294
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Dorothy Thompson. Outsiders. Class, Gender and Nation. Verso, London etc. 1993vi, 186 pp. £34.95. (Paper: £11. 95.)
- Sonya O. Rose
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- International Review of Social History / Volume 39 / Issue 3 / December 1994
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- 20 February 2009, pp. 457-460
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Gender and Labor History: The nineteenth-century legacy
- Sonya O. Rose
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- International Review of Social History / Volume 38 / Issue S1 / April 1993
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- 20 February 2009, pp. 145-162
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All disciplines and sub-disciplines are defined through a series of inclusions and exclusions. They are based on specific assumptions and conventions that delineate their appropriate objects and methods of study. Historians, like scholars in other fields, including the so-called “natural sciences”, do not simply record some objective reality that exists independently of their taken-for-granted ideas about the nature of that reality. Rather, their decisions as to which subjects and events will be objects of study and how they will be conceptualized are shaped both by widely accepted philosophical tenets and common-sense understandings of the nature of human society.