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We describe the design and deployment of GREENBURST, a commensal Fast Radio Burst (FRB) search system at the Green Bank Telescope. GREENBURST uses the dedicated L-band receiver tap to search over the 960–1 920 MHz frequency range for pulses with dispersion measures out to
. Due to its unique design, GREENBURST is capable of conducting searches for FRBs when the L-band receiver is not being used for scheduled observing. This makes it a sensitive single pixel detector capable of reaching deeper in the radio sky. While single pulses from Galactic pulsars and rotating radio transients will be detectable in our observations, and will form part of the database we archive, the primary goal is to detect and study FRBs. Based on recent determinations of the all-sky rate, we predict that the system will detect approximately one FRB for every 2–3 months of continuous operation. The high sensitivity of GREENBURST means that it will also be able to probe the slope of the FRB fluence distribution, which is currently uncertain in this observing band.
Recent years have seen an exponential increase in the variety of healthcare data captured across numerous sources. However, mechanisms to leverage these data sources to support scientific investigation have remained limited. In 2013 the Pediatric Heart Network (PHN), funded by the National Heart, Lung, and Blood Institute, developed the Integrated CARdiac Data and Outcomes (iCARD) Collaborative with the goals of leveraging available data sources to aid in efficiently planning and conducting PHN studies; supporting integration of PHN data with other sources to foster novel research otherwise not possible; and mentoring young investigators in these areas. This review describes lessons learned through the development of iCARD, initial efforts and scientific output, challenges, and future directions. This information can aid in the use and optimisation of data integration methodologies across other research networks and organisations.
We apply two methods to estimate the 21-cm bispectrum from data taken within the Epoch of Reionisation (EoR) project of the Murchison Widefield Array (MWA). Using data acquired with the Phase II compact array allows a direct bispectrum estimate to be undertaken on the multiple redundantly spaced triangles of antenna tiles, as well as an estimate based on data gridded to the uv-plane. The direct and gridded bispectrum estimators are applied to 21 h of high-band (167–197 MHz; z = 6.2–7.5) data from the 2016 and 2017 observing seasons. Analytic predictions for the bispectrum bias and variance for point-source foregrounds are derived. We compare the output of these approaches, the foreground contribution to the signal, and future prospects for measuring the bispectra with redundant and non-redundant arrays. We find that some triangle configurations yield bispectrum estimates that are consistent with the expected noise level after 10 h, while equilateral configurations are strongly foreground-dominated. Careful choice of triangle configurations may be made to reduce foreground bias that hinders power spectrum estimators, and the 21-cm bispectrum may be accessible in less time than the 21-cm power spectrum for some wave modes, with detections in hundreds of hours.
The purpose of this chapter is to serve as a bridge between the chapters in the previous three sections and those in this fourth section. Thus far, we have sought to analyse the social bases of mental and physical wellbeing. Now, we turn to the question of how the fruits of these analyses can be applied in practice. That is, we have been reporting and interpreting the way the world impacts individual people for long enough; it is time to consider how we might change the world in order to improve our wellbeing.
This book’s roots are in an impactful seminar series hosted by the Royal College of Psychiatrists in which practitioners and scientists from a wide array of disciplines came together in 2014 to explore the social influences on our health and recovery from ill health. This volume echoes the evocative conversations in that College and is intended to rehearse research of potentially great impact. It presents practitioners, researchers, policymakers and students of a wide array of disciplines and roles with the material to support them in better harnessing what we now know about the impact of social factors on health. Thereby, the editors hope to influence how practitioners and the responsible authorities work together with members of the public and communities to design and deliver services. Our aspiration is to contribute to creating better-targeted approaches to promoting health and mental health and more effective and integrated interventions for people who have health problems or disorders.
This chapter pulls together key matters in this book. Its title is a quote from a line given to one of the characters in Hamlet by Shakespeare. That sentence perfectly outlines the intention of Section 5 of this book and the function of this final chapter in which I endeavour to align theory, research and the practical impacts of the topics covered by this book with the circumstances in which we find health services as we near the close of the second decade of the twenty-first century. But, first, I return to Chapter 1, to recapture some of those circumstances. Then, I look at the matters on which I think we should focus in order to sustain healthcare services and incorporate the social agenda identified in this book.
This chapter rounds off Section 2. In it, one of the authors, Jonathan Montgomery, begins by highlighting his view of the recurrent themes that arise from all eight chapters in this section.
Then, one of the editors, Alex Haslam, responds by substantially agreeing with Jonathan Montgomery. However, Haslam takes the opportunity to clarify one of the points that Montgomery makes with the intention of drawing attention to a key issue that runs like an artery through the body of this book. This concerns the nature of personalised healthcare and how this should best be understood and delivered. Haslam cautions that, in the process of developing personalised care, we should avoid the temptation to reduce peoples’ maladies to their individual conditions.
This chapter does two things. First, it shows how social identity principles can explain the basic psychological and behavioural effects of crowd membership. Second, it describes some recent research and applied work that shows how these basic effects operate to contribute to harmonious outcomes in potentially dangerous crowd events.
We begin by explaining some of the fundamental psychology of crowd membership in the next section.
Public health is defined by the UK’s Faculty of Public Health as ‘The science and art of promoting and protecting health and well being, preventing ill health and prolonging life through the organised efforts of society’.
This definition locates the causes of ill health and the remedies in the realms of personal and societal agency, and not only in the remit of health practitioners. Although the latter have a role as members of society to make prevention a reality for themselves, families and communities, they play a special part in preventing further ill health for people who suffer mental illness and are seeking help for it.
Other chapters in this book attend to the relational and social fabric that enables people to flourish; it is made of good and trusting relationships, and material conditions that permit thought about purpose and meaning beyond survival.
To sustainably improve cleaning of high-touch surfaces (HTSs) in acute-care hospitals using a multimodal approach to education, reduction of barriers to cleaning, and culture change for environmental services workers.
The study was conducted in 2 academic acute-care hospitals, 2 community hospitals, and an academic pediatric and women’s hospital.
Frontline environmental services workers.
A 5-module educational program, using principles of adult learning theory, was developed and presented to environmental services workers. Audience response system (ARS), videos, demonstrations, role playing, and graphics were used to illustrate concepts of and the rationale for infection prevention strategies. Topics included hand hygiene, isolation precautions, personal protective equipment (PPE), cleaning protocols, and strategies to overcome barriers. Program evaluation included ARS questions, written evaluations, and objective assessments of occupied patient room cleaning. Changes in hospital-onset C. difficile infection (CDI) and methicillin-resistant S. aureus (MRSA) bacteremia were evaluated.
On average, 357 environmental service workers participated in each module. Most (93%) rated the presentations as ‘excellent’ or ‘very good’ and agreed that they were useful (95%), reported that they were more comfortable donning/doffing PPE (91%) and performing hand hygiene (96%) and better understood the importance of disinfecting HTSs (96%) after the program. The frequency of cleaning individual HTSs in occupied rooms increased from 26% to 62% (P < .001) following the intervention. Improvement was sustained 1-year post intervention (P < .001). A significant decrease in CDI was associated with the program.
A novel program that addressed environmental services workers’ knowledge gaps, challenges, and barriers was well received and appeared to result in learning, behavior change, and sustained improvements in cleaning.