532 research outputs found
Multi-service Digital Radio over Fibre System with Millimetre Wave Bridging
© 2018 IEEE. This paper demonstrates a novel digital radio over fibre (DRoF) architecture that is able to transport multiple compressed digitised RF services using both optical fibre and wireless millimetre wave (mmW) links. This solution has advantages as a cost effective indoor wireless infrastructure where flexible transmission schemes are required. Experimental results indicate wide RF dynamic range for two LTE services transmitted simultaneously, showing its capability for creating a neutral-host radio access network (RAN) with good spectral efficiency and cost effectiveness
Protein and bone health across the lifespan
Bone health is determined by the rate of accrual in early life, followed by the rate of age associated bone loss. Dietary protein intake might have a role in bone health across both of these phases via pleiotropic mechanistic pathways. Herein we summarise the pathways through which protein may exert either a positive or negative influence on bone. In Section 1, we describe the acid-ash hypothesis, which states that a high protein intake may lead to an acidic residue that must be neutralised through the leaching of calcium and other minerals from the bone, subsequently leading to demineralisation and bone weakening. Conversely, and as described in Section 2, protein intake may act to strengthen bone by stimulating the activity of various anabolic hormones and growth factors, or by optimising muscle mass and functionality, which itself has an osteogenic influence. The net effect of these contrasting pathways is described in Section 3, where a number of meta-analyses have demonstrated that higher protein intakes have a small positive impact on bone mass and fracture risk. Sometimes higher than recommended protein intakes are advised, e.g., during the earlier and later phases of the lifespan or during reduced energy availability. We conclude that protein is an essential nutrient for bone health, although further research is required to clarify the mechanistic pathways through which it exerts its influence, along with clarification of the quantities, food sources and timing to allow for the optimisation of this protective influence and ultimately a reduction in fracture risk
Novel compressed digital radio fronthaul over photonically-generated THz wireless bridge
Compressed DRoF-based fronthaul links enable cost-effective last-mile wireless coverage. This paper demonstrates a novel system which carries 12 LTE services over both optical fibre and photonically-generated THz wireless links with over 40 dB dynamic range.</jats:p
Operationalizing the 2018 World Cancer Research Fund/American Institute for Cancer Research (WCRF/AICR) Cancer Prevention Recommendations: A Standardized Scoring System
Background: Following the publication of the 2018 World Cancer Research Fund (WCRF)
and American Institute for Cancer Research (AICR) Third Expert Report, a collaborative group was
formed to develop a standardized scoring system and provide guidance for research applications.
Methods: The 2018 WCRF/AICR Cancer Prevention Recommendations, goals, and statements of
advice were examined to define components of the new Score. Cut-points for scoring were based
on quantitative guidance in the 2018 Recommendations and other guidelines, past research that
operationalized 2007 WCRF/AICR Recommendations, and advice from the Continuous Update Project
Expert Panel. Results: Eight of the ten 2018 WCRF/AICR Recommendations concerning weight,
physical activity, diet, and breastfeeding (optional), were selected for inclusion. Each component
is worth one point: 1, 0.5, and 0 points for fully, partially, and not meeting each recommendation,
respectively (Score: 0 to 7–8 points). Two recommendations on dietary supplement use and for
cancer survivors are not included due to operational redundancy. Additional guidance stresses the
importance of accounting for other risk factors (e.g., smoking) in relevant models. Conclusions: The
proposed 2018 WCRF/AICR Score is a practical tool for researchers to examine how adherence to the
2018 WCRF/AICR Recommendations relates to cancer risk and mortality in various adult populations.
Nutrition for the prevention and treatment of injuries in track and field athletes
Injuries are an inevitable consequence of athletic performance with most athletes sustaining one or more during their athletic careers. As many as one in 12 athletes incur an injury during international competitions, many of which result in time lost from training and competition. Injuries to skeletal muscle account for over 40% of all injuries, with the lower leg being the predominant site of injury. Other common injuries include fractures, especially stress fractures in athletes with low energy availability, and injuries to tendons and ligaments, especially those involved in high-impact sports, such as jumping. Given the high prevalence of injury, it is not surprising that there has been a great deal of interest in factors that may reduce the risk of injury, or decrease the recovery time if an injury should occur: One of the main variables explored is nutrition. This review investigates the evidence around various nutrition strategies, including macro- and micronutrients, as well as total energy intake, to reduce the risk of injury and improve recovery time, focusing upon injuries to skeletal muscle, bone, tendons, and ligaments
UNBOUND
UNBOUND showcases the graduating class from the fashion design school at Fanshawe College.
We are pleased to present Unbound 2017!
Our 11th Unbound theme embraces the concept of Craft and Machine , a blend of couturier techniques with technology. Unbound describes the creative spirit and achievements of our eighteen emerging Canadian fashion designers. Unbound 2017 is a professional collaboration between Fanshawe College, community and professionals in the fashion industry. As you turn the pages, admire their accomplishments - the results of three years of passion, hard work, and dedication.https://first.fanshawec.ca/famd_design_fashiondesign_unbound/1004/thumbnail.jp
Age of first arrest varies by gambling status in a cohort of young adults
Background and Objectives: To describe the association between social and problem gambling and first criminal arrest by age 23 in a cohort of urban, mainly African-American youth. Methods: Data for this study were derived from several annual interviews being completed on a community sample of 617 participants during late adolescence until age 23. Information on gambling status, engagement in deviant behaviors, illegal drug use, and arrest history were collected through yearly interviews. Analysis was carried out using Nelson–Aalen cumulative hazard models and simple and adjusted Cox proportional hazards models. Results: More problem gamblers had been arrested before age 23 than social gamblers and non-gamblers, ie, 65% of problem gamblers were arrested before age 23, compared to 38% of social gamblers and 24% non-gamblers. Social gambling was only significantly associated with the hazard of first arrest by age 23 in the unadjusted model (HR: 1.6, p < .001), but not after adjustment for covariates (HR: 1.1, p = .47). Problem gambling was significantly associated with the hazard of first arrest by age 23 years in the unadjusted (HR: 3.6, p < .001) and adjusted models (HR: 1.6, p = .05). Conclusions and Scientific Significance: Problem gambling was significantly associated with earlier age of being arrested. Dilution effects after adjustment for several deviant behaviors and illegal drug use by age 17 suggest that youth exposure to certain common factors may result in engagement in multiple risky behaviors, including problem gambling. Studies are needed to investigate the developmental pathways that lead to these combined behaviors among youth
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