133 research outputs found
Behavioural competencies of sustainability leaders: An empirical investigation
Purpose: Our world faces greater environmental, social and governance challenges than ever before and a growing number of organisations are establishing sustainability functions, strategies and plans in an effort to address these complex issues. However, limited research exists on the critical behavioural competencies required to maximise leadership impact on sustainability initiatives. With the stakes so high and the task so complex, this empirical study identifies key behavioural competencies of corporate sustainability leaders and sets out a model for assessing these behavioural competencies. Design: Based on a review of the empirical literature, the study sets out five competency groupings, which informed a hypothesis. This was tested quantitatively via a self-report tool that enabled a quantitative analysis of behavioural competencies. Contributions from 97 participants were triangulated with data collected from colleagues who rated the participants on the same set of competencies. Findings: Ten critical and ten prominent behaviours of Sustainability Leaders in five competency groupings were idenified. The analysis also explored how the business sector, location, years of experience and level of qualification impacted upon the sample Sustainability Leaders’ perceived effectiveness. Research limitiation/implications: The sample size means that the competency model derived from the findings should be seen as propositional and requiring further validation. Impact measures would add considerable robustness to the findings. Practical implications: The research offers a means to better focus and tailor leadership development experiences and as a tool for the recruitment of Sustainability Leaders. Originality/value: The study is based on a robust quantitative approach, and the behavioural competency model developed as a result provides a tool for Sustainability Leaders to map current behaviours and monitor their progress over time. Keywords: Corporate social responsibility; sustainability; leadership; behavioural competency; leadership development Paper type: Research paperN/
Structure–property insights into nanostructured electrodes for Li-ion batteries from local structural and diffusional probes
Microwave heating presents a faster, lower energy synthetic methodology for the realization of functional materials. Here, we demonstrate for the first time that employing this method also leads to a decrease in the occurrence of defects in olivine structured LiFe1−xMnxPO4. For example, the presence of antisite defects in this structure precludes Li+ diffusion along the b-axis leading to a significant decrease in reversible capacities. Total scattering measurements, in combination with Li+ diffusion studies using muon spin relaxation (μ+SR) spectroscopy, reveal that this synthetic method generates fewer defects in the nanostructures compared to traditional solvothermal routes. Our interest in developing these routes to mixed-metal phosphate LiFe1−xMnxPO4 olivines is due to the higher Mn2+/3+ redox potential in comparison to the Fe2+/3+ pair. Here, single-phase LiFe1−xMnxPO4 (x = 0, 0.25, 0.5, 0.75 and 1) olivines have been prepared following a microwave-assisted approach which allows for up to 4 times faster reaction times compared to traditional solvothermal methods. Interestingly, the resulting particle morphology is dependent on the Mn content. We also examine their electrochemical performance as active electrodes in Li-ion batteries. These results present microwave routes as highly attractive for reproducible, gram-scale syntheses of high quality nanostructured electrodes which display close to theoretical capacity for the full iron phase
Evaluation of a BMI Based Body Composition Equation in Intercollegiate Athletes
INTRODUCTION: Assessment of body composition in collegiate athletes is an effective tool to enhance training and nutrition protocols. The use of Body Mass Index (BMI) based equations for such purposes has been found to be relatively invalid in athletes due to the inability to decipher between fat and fat-free mass. Recently, a BMI based equation developed by Nickerson et. al. (BMINICKERSON) that incorporates handgrip strength as a surrogate for lean mass was found to estimate body fat with low error in general population adults. The use of such a method in collegiate athletes may in turn provide a cost-effective and easily administered option for body composition assessment. PURPOSE: To compare the effectiveness of BMINICKERSON with traditional body composition methods in estimating body fat percentage of collegiate athletes. METHODS: Forty-one (n = 41) intercollegiate athletes (n = 21 male, 20 female) were assessed for percentage body fat using BMINICKERSON, bio-electrical impedance analysis (BIA) and seven site skinfold (SF). Pearson’s correlation was utilized to assess relationships among measurements methods. A sex x measurement method Two-Way ANOVA with repeated measures on the latter was utilized to determine potential differences in body fat percentage as estimated by each method between males and females. RESULTS: Good to excellent agreement was displayed between BIA and BMINICKERSON compared to SF in the total population and each sex (r > 0.76, p < 0.001). A significant interaction (F = 5.01, p = 0.01) between sex and measurement method was found for the sample. Paired samples t-testing in females revealed a significantly greater body fat estimation by BMINICKERSON (26.75 % ± 3.72 %) in comparison to both BIA (t = 7.73, p < 0.001, 22.36 % ± 2.80 %) and SF (t = 5.15, p < 0.001, 23.37 % ± 4.49 %). BIA and SF did not significantly differ (t = 1.51, p = 0.15) in females. Further paired samples t-testing in males revealed a significantly greater body fat estimation by BMINICKERSON (17.66 % ± 4.30 %) in comparison to both BIA (t = 8.74, p < 0.001, 13.15 % ± 4.28 %) and SF (t = 8.78, p < 0.001, 11.73 % ± 4.38 %). In addition, a significantly greater (t = 2.10, p = 0.05) body fat estimation was found using BIA in comparison to SF in males. CONCLUSION: Although the use of BMINICKERSON in estimating body composition has been shown to provide relatively accurate results in the general population, the current study did not observe the same in collegiate athletes. Further research comparing BMINICKERSON to a gold standard measurement technique in collegiate athletes is warranted
The CDM-Net Project: The Development, Implementation and Evaluation of a Broadband-Based Network for Managing Chronic Disease
Background. In Australia most chronic disease management is funded by Medicare Australia through General Practitioner Management Plans (GPMPs) and Team Care Arrangements (TCAs). Identified barriers may be reduced effectively using a broadband-based network known as the Chronic Disease Management Service (CDMS). Aims. To measure the uptake and adherence to CDMS, test CDMS, and assess the adherence of health providers and patients to GPMPs and TCAs generated through CDMS. Methods. A single cohort before and after study. Results. GPMPs and TCAs increased. There was no change to prescribed medicines or psychological quality of life. Attendance at allied health professionals increased, but decreased at pharmacies. Overall satisfaction with CDMS was high among GPs, allied health professionals, and patients. Conclusion. This study demonstrates proof of concept, but replication or continuation of the study is desirable to enable the impact of CDMS on diabetes outcomes to be determined
MEGASAT: automated inference of microsatellite genotypes from sequence data
MEGASAT is software that enables genotyping of microsatellite loci using next-generation sequencing data. Microsatellites are amplified in large multiplexes, and then sequenced in pooled amplicons. MEGASAT reads sequence files and automatically scores microsatellite genotypes. It uses fuzzy matches to allow for sequencing errors and applies decision rules to account for amplification artefacts, including nontarget amplification products, replication slippage during PCR (amplification stutter) and differential amplification of alleles. An important fea- ture of MEGASAT is the generation of histograms of the length–frequency distributions of amplification products for each locus and each individual. These histograms, analogous to electropherograms traditionally used to score microsatellite genotypes, enable rapid evaluation and editing of automatically scored genotypes. MEGASAT is written in Perl, runs on Windows, Mac OS X and Linux systems, and includes a simple graphical user interface. We demon- strate MEGASAT using data from guppy, Poecilia reticulata. We genotype 1024 guppies at 43 microsatellites per run on an Illumina MiSeq sequencer. We evaluated the accuracy of automatically called genotypes using two methods, based on pedigree and repeat genotyping data, and obtained estimates of mean genotyping error rates of 0.021 and 0.012. In both estimates, three loci accounted for a disproportionate fraction of genotyping errors; conversely, 26 loci were scored with 0–1 detected error (error rate ≤0.007). Our results show that with appropriate selection of loci, automated genotyping of microsatellite loci can be achieved with very high throughput, low genotyping error and very low genotyping costs
Genomic identification of cryptic susceptibility to penicillins and β-lactamase inhibitors in methicillin-resistant Staphylococcus aureus.
Antibiotic resistance in bacterial pathogens threatens the future of modern medicine. One such resistant pathogen is methicillin-resistant Staphylococcus aureus (MRSA), which is resistant to nearly all β-lactam antibiotics, limiting treatment options. Here, we show that a significant proportion of MRSA isolates from different lineages, including the epidemic USA300 lineage, are susceptible to penicillins when used in combination with β-lactamase inhibitors such as clavulanic acid. Susceptibility is mediated by a combination of two different mutations in the mecA promoter region that lowers mecA-encoded penicillin-binding protein 2a (PBP2a) expression, and in the majority of isolates by either one of two substitutions in PBP2a (E246G or M122I) that increase the affinity of PBP2a for penicillin in the presence of clavulanic acid. Treatment of S. aureus infections in wax moth and mouse models shows that penicillin/β-lactamase inhibitor susceptibility can be exploited as an effective therapeutic choice for 'susceptible' MRSA infection. Finally, we show that isolates with the PBP2a E246G substitution have a growth advantage in the presence of penicillin but the absence of clavulanic acid, which suggests that penicillin/β-lactamase susceptibility is an example of collateral sensitivity (resistance to one antibiotic increases sensitivity to another). Our findings suggest that widely available and currently disregarded antibiotics could be effective in a significant proportion of MRSA infections.MRC - G1001787/1
MRC - MR/N002660/1
WT098600
HICF-T5-342
MR/S00291X/1
201344/Z/16/Z
MR/P007201/
A study of human resource competencies required to implement community rehabilitation in less resourced settings.
BACKGROUND: It is estimated that over one billion persons worldwide have some form of disability. However, there is lack of knowledge and prioritisation of how to serve the needs and provide opportunities for people with disabilities. The community-based rehabilitation (CBR) guidelines, with sufficient and sustained support, can assist in providing access to rehabilitation services, especially in less resourced settings with low resources for rehabilitation. In line with strengthening the implementation of the health-related CBR guidelines, this study aimed to determine what workforce characteristics at the community level enable quality rehabilitation services, with a focus primarily on less resourced settings. METHODOLOGY: This was a two-phase review study using (1) a relevant literature review informed by realist synthesis methodology and (2) Delphi survey of the opinions of relevant stakeholders regarding the findings of the review. It focused on individuals (health professionals, lay health workers, community rehabilitation workers) providing services for persons with disabilities in less resourced settings. RESULTS: Thirty-three articles were included in this review. Three Delphi iterations with 19 participants were completed. Taken together, these produced 33 recommendations for developing health-related rehabilitation services. Several general principles for configuring the community rehabilitation workforce emerged: community-based initiatives can allow services to reach more vulnerable populations; the need for supportive and structured supervision at the facility level; core skills likely include case management, social protection, monitoring and record keeping, counselling skills and mechanisms for referral; community ownership; training in CBR matrix and advocacy; a tiered/teamwork system of service delivery; and training should take a rights-based approach, include practical components, and involve persons with disabilities in the delivery and planning. CONCLUSION: This research can contribute to implementing the WHO guidelines on the interaction between the health sector and CBR, particularly in the context of the Framework for Action for Strengthening Health Systems, in which human resources is one of six components. Realist syntheses can provide policy makers with detailed and practical information regarding complex health interventions, which may be valuable when planning and implementing programmes
Crisis resolution and home treatment: stakeholders\u27 views on critical ingredients and implementation in England
BACKGROUND: Crisis resolution teams (CRTs) can provide effective home-based treatment for acute mental health crises, although critical ingredients of the model have not been clearly identified, and implementation has been inconsistent. In order to inform development of a more highly specified CRT model that meets service users\u27 needs, this study used qualitative methods to investigate stakeholders\u27 experiences and views of CRTs, and what is important in good quality home-based crisis care. METHOD: Semi-structured interviews and focus groups were conducted with service users (n = 41), carers (n = 20) and practitioners (CRT staff, managers and referrers; n = 147, 26 focus groups, 9 interviews) in 10 mental health catchment areas in England, and with international CRT developers (n = 11). Data were analysed using thematic analysis. RESULTS: Three domains salient to views about optimal care were identified. 1. The organisation of CRT care: Providing a rapid initial responses, and frequent home visits from the same staff were seen as central to good care, particularly by service users and carers. Being accessible, reliable, and having some flexibility were also valued. Negative experiences of some referral pathways, and particularly lack of staff continuity were identified as problematic. 2. The content of CRT work: Emotional support was at the centre of service users\u27 experiences. All stakeholder groups thought CRTs should involve the whole family, and offer a range of interventions. However, carers often feel excluded, and medication is often prioritised over other forms of support. 3. The role of CRTs within the care system: Gate-keeping admissions is seen as a key role for CRTs within the acute care system. Service users and carers report that recovery is quicker compared to in-patient care. Lack of knowledge and misunderstandings about CRTs among referrers are common. Overall, levels of stakeholder agreement about the critical ingredients of good crisis care were high, although aspects of this were not always seen as achievable. CONCLUSIONS: Stakeholders\u27 views about optimal CRT care suggest that staff continuity, carer involvement, and emotional and practical support should be prioritised in service improvements and more clearly specified CRT models
Development of a measure of model fidelity for mental health Crisis Resolution Teams
Background
Crisis Resolution Teams (CRTs) provide short-term intensive home treatment to people experiencing mental health crisis. Trial evidence suggests CRTs can be effective at reducing hospital admissions and increasing satisfaction with acute care. When scaled up to national level however, CRT implementation and outcomes have been variable. We aimed to develop and test a fidelity scale to assess adherence to a model of best practice for CRTs, based on best available evidence.
Methods
A concept mapping process was used to develop a CRT fidelity scale. Participants (n = 68) from a range of stakeholder groups prioritised and grouped statements (n = 72) about important components of the CRT model, generated from a literature review, national survey and qualitative interviews. These data were analysed using Ariadne software and the resultant cluster solution informed item selection for a CRT fidelity scale. Operational criteria and scoring anchor points were developed for each item. The CORE CRT fidelity scale was then piloted in 75 CRTs in the UK to assess the range of scores achieved and feasibility for use in a 1-day fidelity review process. Trained reviewers (n = 16) rated CRT service fidelity in a vignette exercise to test the scale’s inter-rater reliability.
Results
There were high levels of agreement within and between stakeholder groups regarding the most important components of the CRT model. A 39-item measure of CRT model fidelity was developed. Piloting indicated that the scale was feasible for use to assess CRT model fidelity and had good face validity. The wide range of item scores and total scores across CRT services in the pilot demonstrate the measure can distinguish lower and higher fidelity services. Moderately good inter-rater reliability was found, with an estimated correlation between individual ratings of 0.65 (95% CI: 0.54 to 0.76).
Conclusions
The CORE CRT Fidelity Scale has been developed through a rigorous and systematic process. Promising initial testing indicates its value in assessing adherence to a model of CRT best practice and to support service improvement monitoring and planning. Further research is required to establish its psychometric properties and international applicability
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