935 research outputs found

    International Centre for Guidance Studies (iCeGS) Annual Review 2023 - 25th Anniversary

    Get PDF
    This publication offers a brief insight into the wide range of activities the iCeGS team has been involved with over the year and the last 25 years. It explores our contribution to policy, research and practice within the career development sector both in the UK and wider afield. iCeGS Annual Review also allows the team to reflect on our many achievements over the last year. Like other years, we feel particularly proud of several activities this year

    Observational evidence for the convective transport of dust over the central United States

    Get PDF
    Bulk aerosol composition and aerosol size distributions measured aboard the DC-8 aircraft during the Deep Convective Clouds and Chemistry Experiment mission in May/June 2012 were used to investigate the transport of mineral dust through nine storms encountered over Colorado and Oklahoma. Measurements made at low altitudes (\u3c5 km mean sea level (MSL)) in the storm inflow region were compared to those made in cirrus anvils (altitude \u3e 9 km MSL). Storm mean outflow Ca2+ mass concentrations and total coarse (1 µm \u3c diameter \u3c 5 µm) aerosol volume (Vc) were comparable to mean inflow values as demonstrated by average outflow/inflow ratios greater than 0.5. A positive relationship between Ca2+, Vc, ice water content, and large (diameter \u3e 50 µm) ice particle number concentrations was not evident; thus, the influence of ice shatter on these measurements was assumed small. Mean inflow aerosol number concentrations calculated over a diameter range (0.5 µm \u3c diameter \u3c 5.0 µm) relevant for proxy ice nuclei (NPIN) were ~15–300 times higher than ice particle concentrations for all storms. Ratios of predicted interstitial NPIN (calculated as the difference between inflow NPIN and ice particle concentrations) and inflow NPIN were consistent with those calculated for Ca2+ and Vc and indicated that on average less than 10% of the ingested NPIN were activated as ice nuclei during anvil formation. Deep convection may therefore represent an efficient transport mechanism for dust to the upper troposphere where these particles can function as ice nuclei cirrus forming in situ

    Evaluating alcohol intoxication management services: the EDARA mixed-methods study

    Get PDF
    Background: Front-line health-care services are under increased demand when acute alcohol intoxication is most common, which is in night-time environments. Cities have implemented alcohol intoxication management services to divert the intoxicated away from emergency care. Objectives: To evaluate the effectiveness, cost-effectiveness and acceptability to patients and staff of alcohol intoxication management services and undertake an ethnographic study capturing front-line staff’s views on the impact of acute alcohol intoxication on their professional lives. Methods: This was a controlled mixed-methods longitudinal observational study with an ethnographic evaluation in parallel. Six cities with alcohol intoxication management services were compared with six matched control cities to determine effects on key performance indicators (e.g. number of patients in the emergency department and ambulance response times). Surveys captured the impact of alcohol intoxication management services on the quality of care for patients in six alcohol intoxication management services, six emergency departments with local alcohol intoxication management services and six emergency departments without local alcohol intoxication management services. The ethnographic study considered front-line staff perceptions in two cities with alcohol intoxication management services and one city without alcohol intoxication management services. Results: Alcohol intoxication management services typically operated in cities in which the incidence of acute alcohol intoxication was greatest. The per-session average number of attendances across all alcohol intoxication management services was low (mean 7.3, average minimum 2.8, average maximum 11.8) compared with the average number of emergency department attendances per alcohol intoxication management services session (mean 78.8), and the number of patients diverted away from emergency departments, per session, required for services to be considered cost-neutral was 8.7, falling to 3.5 when ambulance costs were included. Alcohol intoxication management services varied, from volunteer-led first aid to more clinically focused nurse practitioner services, with only the latter providing evidence for diversion from emergency departments. Qualitative and ethnographic data indicated that alcohol intoxication management services are acceptable to practitioners and patients and that they address unmet need. There was evidence that alcohol intoxication management services improve ambulance response times and reduce emergency department attendance. Effects are uncertain owing to the variation in service delivery. Limitations: The evaluation focused on health service outcomes, yet evidence arose suggesting that alcohol intoxication management services provide broader societal benefits. There was no nationally agreed standard operating procedure for alcohol intoxication management services, undermining the evaluation. Routine health data outcomes exhibited considerable variance, undermining opportunities to provide an accurate appraisal of the heterogenous collection of alcohol intoxication management services. Conclusions: Alcohol intoxication management services are varied, multipartner endeavours and would benefit from agreed national standards. Alcohol intoxication management services are popular with and benefit front-line staff and serve as a hub facilitating partnership working. They are popular with alcohol intoxication management services patients and capture previously unmet need in night-time environments. However, acute alcohol intoxication in emergency departments remains an issue and opportunities for diversion have not been entirely realised. The nurse-led model was the most expensive service evaluated but was also the most likely to divert patients away from emergency departments, suggesting that greater clinical involvement and alignment with emergency departments is necessary. Alcohol intoxication management services should be regarded as fledgling services that require further work to realise benefit. Future work: Research could be undertaken to determine if a standardised model of alcohol intoxication management services, based on the nurse practitioner model, can be developed and implemented in different settings. Future evaluations should go beyond the health service and consider outcomes more generally, especially for the police. Future work on the management of acute alcohol intoxication in night-time environments could recognise the partnership between health-care, police and ambulance services and third-sector organisations in managing acute alcohol intoxication. Trial registration: Current Controlled Trials ISRCTN63096364

    A cell based high-throughput screening approach for the discovery of new inhibitors of respiratory syncytial virus

    Get PDF
    Background: Human respiratory syncytial virus (hRSV) is a highly contagious pathogen and is the most common cause of bronchiolitis and pneumonia for infants and children under one year of age. Worldwide, greater than 33 million children under five years of age are affected by hRSV resulting in three million hospitalizations and 200,000 deaths. However, severe lower respiratory tract disease may occur at any age, especially among the elderly or those with compromised cardiac, pulmonary, or immune systems. There is no vaccine commercially available. Existing therapies for the acute infection are ribavirin and the prophylactic humanized monoclonal antibody (Synagis® from MedImmune) that is limited to use in high risk pediatric patients. Thus, the discovery of new inhibitors for hRSV would be clinically beneficial. Results: We have developed and validated a 384-well cell-based, high-throughput assay that measures the cytopathic effect of hRSV (strain Long) in HEp-2 cells using a luminescent-based detection system for signal endpoint (Cell Titer Glo®). The assay is sensitive and robust, with Z factors greater than 0.8, signal to background greater than 35, and signal to noise greater than 24. Utilizing this assay, 313,816 compounds from the Molecular Libraries Small Molecule Repository were screened at 10 μM. We identified 7,583 compounds that showed greater than 22% CPE inhibition in the primary screen. The top 2,500 compounds were selected for confirmation screening and 409 compounds showed at least 50% inhibition of CPE and were considered active. We selected fifty-one compounds, based on potency, selectivity and chemical tractability, for further evaluation in dose response and secondary assays Several compounds had SI50 values greater than 3, while the most active compound displayed an SI50 value of 58.9. Conclusions: A robust automated luminescent-based high throughput screen that measures the inhibition of hRSV-induced cytopathic effect in HEp-2 cells for the rapid identification of potential inhibitors from large compound libraries has been developed, optimized and validated. The active compounds identified in the screen represent different classes of molecules, including aryl sulfonylpyrrolidines which have not been previously identified as having anti-hRSV activity

    Changes observed in radionuclide bone scans during and after teriparatide treatment for osteoporosis

    Get PDF
    # The Author(s) 2011. This article is published with open access at Springerlink.com Purpose Visual changes on radionuclide bone scans have been reported with teriparatide treatment. To assess this, serial studies were evaluated and quantified in ten postmenopausal women with osteoporosis treated with teriparatide (20 μg/day subcutaneous) who had 99m Tc-methylene diphosphonate (MDP) bone scans (baseline, 3 and 18 months, then after 6 months off therapy). Methods Women were injected with 600 MBq 99m Tc-MDP, and diagnostic bone scan images were assessed at 3.5 h. Additional whole-body scans (10 min, 1, 2, 3 and 4 h) were analysed for 99m Tc-MDP skeletal plasma clearance (Kbone). Regional Kbone differences were obtained for the whole skeleton and six regions (calvarium, mandible, spine, pelvis, upper and lower extremities). Bone turnover markers (BTM) were also measured. Results Most subjects showed visual changes on 3- and 18month bone scan images that disappeared after 6 months off therapy. Enhanced uptake was seen predominantly in the calvarium and lower extremities. Whole skeleton Kbone displayed a median increase of 22 % (3 months, p=0.004) and 34 % (18 months, p=0.002) decreasing to 0.7% (6 months off therapy). Calvarium Kbone changes were three times larger than other sites. After 6 months off therapy, all Kbone and BTM values returned towards baseline

    Impaired perception of facial motion in autism spectrum disorder

    Get PDF
    Copyright: © 2014 O’Brien et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.This article has been made available through the Brunel Open Access Publishing Fund.Facial motion is a special type of biological motion that transmits cues for socio-emotional communication and enables the discrimination of properties such as gender and identity. We used animated average faces to examine the ability of adults with autism spectrum disorders (ASD) to perceive facial motion. Participants completed increasingly difficult tasks involving the discrimination of (1) sequences of facial motion, (2) the identity of individuals based on their facial motion and (3) the gender of individuals. Stimuli were presented in both upright and upside-down orientations to test for the difference in inversion effects often found when comparing ASD with controls in face perception. The ASD group’s performance was impaired relative to the control group in all three tasks and unlike the control group, the individuals with ASD failed to show an inversion effect. These results point to a deficit in facial biological motion processing in people with autism, which we suggest is linked to deficits in lower level motion processing we have previously reported

    Belonging to a different landscape: repurposing nationalist affects

    Get PDF
    This is an article about the embodied, sensual experience of rural landscape as a site where racialized feelings of national belonging get produced. Largely impervious to criticism and reformation by 'thin' legal-political versions of multicultural or cosmopolitan citizenship, it is my suggestion that this racialized belonging is best confronted through the recognition and appreciation of precisely what makes it so compelling. Through an engagement with the theorization of affect in the work of Divya Praful Tolia-Kelly, I consider the resources immanent to the perception of landscapes of national belonging that might be repurposed to unravel that belonging from within. I suggest that forms of environmental consciousness can unpick the mutually reinforcing relationships between nature and nation, opening up opportunities for thinking identity and belonging in different ways, and allowing rural landscapes to become more hospitable places
    • …
    corecore