Ancient Egyptian Blue (CaCuSi4O10) Pigment by Modern Solution Combustion Synthesis Method

The Egyptian blue pigment, CaCuSi4O10, has been used in ancient Egypt from 3000 BC. This pigment consists of CaCuSi4O10 with variable amounts of wollastonite (CaSiO3), high amount of Cu oxides, cuprite (Cu2O) or tenorite (CuO). It was prepared by melting the high percentage of copper in association with lime and desert sand in the Ancient time. In this work Egyptian blue was produced by solution combustion synthesis (SCS) in homogeneous aqueous solution of composition: cupper and calcium nitrates, sodium silicate and urea. This method permits chemically stable Egyptian blue fast and economic production. The Egyptian blue composition and structure obtained after SCS and calcination were studied by XRD, FTIR and SEM/EDX analysis. Crystallite size and crystal lattice parameters were calculated. An increase in combustion temperature during SHS and calcinations temperature influence Egyptian blue yield and crystallite size, slightly influence parameters of crystal lattice

Multidisciplinary team meetings in community mental health: a systematic review of their functions

Purpose – Previous research has identified a need for greater clarity regarding the functions of multidisciplinary team (MDT) meetings in UK community mental health services. The purpose of this paper is to identify the functions of these meetings by systematically reviewing both primary research and academic discussion papers. Design/methodology/approach – Papers relating to adult community mental health teams (CMHTs) in the UK and published between September 1999 and February 2014 were reviewed and appraised using NICE quality checklists. The search was broad in scope to include both general CMHTs and specialist CMHTs such as early intervention psychosis services and forensic mental health teams. A thematic synthesis of the findings was performed to develop an overarching thematic framework of the reported functions of MDT meetings. Findings – None of the 4,046 studies identified directly investigated the functions of MDT meetings. However, 49 mentioned functions in passing. These functions were categorised into four thematic domains: discussing the care of individual patients, teamwork, team management and learning and development. Several papers reported a lack of clarity about the purpose of MDT meetings and the roles of different team members which hindered effective collaboration. Practical implications – Without clearly agreed objectives for MDT meetings, monitoring their effectiveness is problematic. Unwarranted variation in their functioning may undermine the quality of care. Originality/value – This is the first systematic review to investigate the functions of CMHT MDT meetings in the UK. The findings highlight a need for empirical research to establish how MDT meetings are being used so that their effectiveness can be understood, monitored and evaluated

Ακαδημαϊκή αναβλητικότητα και οι συνέπειές της στην ημερήσια σχολική προετοιμασία και το άγχος: Μια έρευνα ποσοτικού ημερολογίου σε μαθητές Δημοτικού

The present quantitative diary study examines whether trait academic procrastination shapes the way students perceive their daily academic workload and, in turn, their state (i.e., daily) academic procrastination. This process was expected to determine the extent to which students are satisfied with their preparation for the next day at school and consequently, their anxiety levels at the end of the day. Forty-four elementary school students completed a questionnaire and a diary for five consecutive days over a school week. Results of multilevel analyses confirmed the study hypotheses. Specifically, the positive relationship between trait and state procrastination was supported, while academic workload was found to mediate this relationship. Additionally, daily academic procrastination associated positively to anxiety at the end of the day through its negative link with students’ satisfaction with preparation for the next school day. These findings suggest that even students high in trait academic procrastination exhibit significant within-person variations in daily procrastination, satisfaction with their preparation for the next day at school and anxiety at the end of the day. These daily variations are explained by the daily level of perceived academic workload.Η παρούσα μελέτη ποσοτικού ημερολογίου εξετάζει αν η ακαδημαϊκή αναβλητικότητα, ως σχετικά σταθερό ατομικό χαρακτηριστικό, διαμορφώνει τον τρόπο που οι μαθητές αντιλαμβάνονται το σχολικό φόρτο σε ημερήσιο επίπεδο και εν συνεχεία, την εμφάνιση αναβλητικών συμπεριφορών σε σχέση με την προετοιμασία τους για το σχολείο. Αυτή η διαδικασία προτάθηκε ότι καθορίζει το βαθμό που οι μαθητές είναι ικανοποιημένοι με την προετοιμασία τους για την επόμενη μέρα στο σχολείο και κατ’ επέκταση τα επίπεδα άγχους τους στο τέλος της ημέρας. Σαράντα-τέσσερις μαθητές Δημοτικού συμπλήρωσαν ένα ερωτηματολόγιο και ένα ημερολόγιο για πέντε διαδοχικές ημέρες κατά τη διάρκεια μιας σχολικής εβδομάδας. Τα αποτελέσματα πολύ-επίπεδων αναλύσεων επιβεβαίωσαν τις υποθέσεις της έρευνας. Συγκεκριμένα, βρέθηκε θετική σχέση ανάμεσα στην αναβλητικότητα ως σταθερό χαρακτηριστικό και ως ημερήσια κατάσταση, ενώ επιβεβαιώθηκε και ο διαμεσολαβητικός ρόλος του ημερήσιου σχολικού φόρτου στη σχέση αυτή. Επιπρόσθετα, βρέθηκε ότι η ημερήσια ακαδημαϊκή αναβλητικότητα σχετίζεται θετικά με το ημερήσιο άγχος δια μέσου της αρνητικής της σχέσης με την ικανοποίηση από την προετοιμασία των μαθημάτων για την επόμενη μέρα. Τα αποτελέσματα της έρευνας δείχνουν ότι ακόμα και οι αναβλητικοί μαθητές εμφανίζουν ενδο-ατομικές διακυμάνσεις ως προς τα επίπεδα καταστασιακής ακαδημαϊκής αναβλητικότητας, ικανοποίησης με την προετοιμασία τους για την επόμενη μέρα στο σχολείο και άγχους στο τέλος της ημέρας. Αυτές οι διακυμάνσεις εξηγούνται από τα επίπεδα του ημερήσιου, αντιλαμβανόμενου σχολικού φόρτου

What does it take to provide clinical interventions with temporal consistency? A qualitative study of London hyperacute stroke units.

OBJECTIVES: Seven-day working in hospitals is a current priority of international health research and policy. Previous research has shown variability in delivering evidence-based clinical interventions across different times of day and week. We aimed to identify factors influencing such variations in London hyperacute stroke units (HASUs). DESIGN: Interview and observation study to explain patterns of variation in delivery and outcomes of care described in a quantitative partner paper (Melnychuk et al). SETTING: Eight HASUs in London. PARTICIPANTS: We interviewed HASU staff (n=76), including doctors, nurses, therapists and administrators. We also conducted non-participant observations of delivery of care at different times of the day and week (n=45; ~102 hours). We analysed the data for thematic content relating to the ability of staff to provide evidence-based interventions consistently at different times of the day and week. RESULTS: Staff were able to deliver 'front door' interventions consistently by taking on additional responsibilities out of hours (eg, deciding eligibility for thrombolysis); creating continuities between day and night (through, eg, governance processes and staggering rotas); building trusting relationships with, eg, Radiology and Emergency Departments and staff prioritisation of 'front door' interventions. Variations by time of day resulted from reduced staffing in HASUs and elsewhere in hospitals in the evenings and at the weekend. Variations by day of week (eg, weekend effect) resulted from lack of therapy input and difficulties repatriating patients at weekends, and associated increases in pressure on Fridays and Mondays. CONCLUSIONS: Evidence-based service standards can facilitate 7-day working in acute stroke services. Standards should ensure that the capacity and capabilities required for 'front door' interventions are available 24/7, while other services, for example, therapies are available every day of the week. The impact of standards is influenced by interdependencies between HASUs, other hospital services and social services

Use of a formal consensus development technique to produce recommendations for improving the effectiveness of adult mental health multidisciplinary team meetings

This is the final version of the article. Available from the publisher via the DOI in this record.BACKGROUND: Multidisciplinary team (MDT) meetings are the core mechanism for delivering mental health care but it is unclear which models improve care quality. The aim of the study was to agree recommendations for improving the effectiveness of adult mental health MDT meetings, based on national guidance, research evidence and experiential insights from mental health and other medical specialties. METHODS: We established an expert panel of 16 health care professionals, policy-makers and patient representatives. Five panellists had experience in a range of adult mental health services, five in heart failure services and six in cancer services. Panellists privately rated 68 potential recommendations on a scale of one to nine, and re-rated them after panel discussion using the RAND/UCLA Appropriateness Method to determine consensus. RESULTS: We obtained agreement (median ≥ 7) and low variation in extent of agreement (Mean Absolute Deviation from Median of ≤1.11) for 21 recommendations. These included the explicit agreement and auditing of MDT meeting objectives, and the documentation and monitoring of treatment plan implementation. CONCLUSIONS: Formal consensus development methods that involved learning across specialities led to feasible recommendations for improved MDT meeting effectiveness in a wide range of settings. Our findings may be used by adult mental health teams to reflect on their practice and facilitate improvement. In some other contexts, the recommendations will require modification. For example, in Child and Adolescent Mental Health Services, context-specific issues such as the role of carers should be taken into account. A limitation of the comparative approach adopted was that only five members of the panel of 16 experts were mental health specialists.This report presents independent research commissioned by the National Institute for Health Research (NIHR). The views and opinions expressed by authors in this publication are those of the authors and do not necessarily reflect those of the NHS, the NIHR, MRC, CCF, NETSCC, the Health Services and Delivery Research programme or the Department of Health

Determinants of treatment plan implementation in multidisciplinary team meetings for patients with chronic diseases: a mixed-methods study.

This is the final version of the article. Available from the publisher via the DOI in this record.OBJECTIVE: Multidisciplinary team (MDT) meetings are assumed to produce better decisions and are extensively used to manage chronic disease in the National Health Service (NHS). However, evidence for their effectiveness is mixed. Our objective was to investigate determinants of MDT effectiveness by examining factors influencing the implementation of MDT treatment plans. This is a proxy measure of effectiveness, because it lies on the pathway to improvements in health, and reflects team decision making which has taken account of clinical and non-clinical information. Additionally, this measure can be compared across MDTs for different conditions. METHODS: We undertook a prospective mixed-methods study of 12 MDTs in London and North Thames. Data were collected by observation of 370 MDT meetings, interviews with 53 MDT members, and from 2654 patient medical records. We examined the influence of patient-related factors (disease, age, sex, deprivation, whether their preferences and other clinical/health behaviours were mentioned) and MDT features (as measured using the 'Team Climate Inventory' and skill mix) on the implementation of MDT treatment plans. RESULTS: The adjusted odds (or likelihood) of implementation was reduced by 25% for each additional professional group represented at the MDT meeting. Implementation was more likely in MDTs with clear goals and processes and a good 'Team Climate' (adjusted OR 1.96; 95% CI 1.15 to 3.31 for a unit increase in Team Climate Inventory (TCI) score). Implementation varied by disease category, with the lowest adjusted odds of implementation in mental health teams. Implementation was also lower for patients living in more deprived areas (adjusted odds of implementation for patients in the most compared with least deprived areas was 0.60, 95% CI 0.39 to 0.91). CONCLUSIONS: Greater multidisciplinarity is not necessarily associated with more effective decision making. Explicit goals and procedures are also crucial. Decision implementation should be routinely monitored to ensure the equitable provision of care.This project was funded by the NIHR Health Services and Delivery Research programme (project number 09/2001/ 04) and will be published in full in the Health Services and Delivery Research Journal. Further information available at: (http://www.netscc.ac.uk/hsdr/projdetails.php?ref=09-2001-04). In accordance with NIHR regulations, the findings reported here are to be referred to as initial until the NIHR final report has been published. The sponsors of the study had no role in study design, data collection, data analysis, data interpretation, the writing of the report, or the decision to submit the report for publication

Burnout in health-care professionals during reorganizations and downsizing. A cohort study in nurses

Background: Burnout is a psychological reaction triggered by interaction between personal characteristics and stress factors. Reorganizations and downsizing with increased workload imply stress for health-care professionals. This is a study of burnout in nurses during a period with two comprehensive reorganizations. Methods: In this quasi-experimental retrospective cohort study, burnout was assessed in nurses with long work experience in three surveys during a 30 months' period with two comprehensive reorganizations and downsizing of a hospital unit with mostly seriously ill patients with cancer. Burnout was measured with Bergen Burnout Indicator (BBI) at each survey, and "Sense of Coherence" (SOC) with Antonovsky's questionnaire at the last survey. Results: One man and 45 women aged 30 to 65 years were invited to the surveys. There was a significant increase in burnout during the study period, the mean increase in BBI-score was 12.5 pr year (p<0.001). The proportion of satisfied nurses at the first and last survey were 84% and 35% respectively, and the proportions with burnout were 0% and 29% respectively (p<0.001). Except for auxiliary nurses with experience from the medical department, all subgroups experienced a significant increase in BBI. Burnout was associated with low SOC (p<0.001, r square 0.33). Conclusions: There was a significant development of burnout in a group of nurses during a period with two reorganizations and downsizing. Burnout was associated with low SOC. Working with seriously ill patients with cancer has probably made the nurses exceptionally vulnerable to the stress and workload related to the reorganizations

Whole-genome resequencing of Cucurbita pepo morphotypes to discover genomic variants associated with morphology and horticulturally valuable traits

[EN] Cucurbita pepo contains two cultivated subspecies, each of which encompasses four fruit-shape morphotypes (cultivar groups). The Pumpkin, Vegetable Marrow, Cocozelle, and Zucchini Groups are of subsp. pepo and the Acorn, Crookneck, Scallop, and Straightneck Groups are of subsp. ovifera. Recently, a de novo assembly of the C. pepo subsp. pepo Zucchini genome was published, providing insights into its evolution. To expand our knowledge of evolutionary processes within C. pepo and to identify variants associated with particular morphotypes, we performed whole-genome resequencing of seven of these eight C. pepo morphotypes. We report for the first time whole-genome resequencing of the four subsp. pepo (Pumpkin, Vegetable Marrow, Cocozelle, green Zucchini, and yellow Zucchini) morphotypes and three of the subsp. ovifera (Acorn, Crookneck, and Scallop) morphotypes. A high-depth resequencing approach was followed, using the BGISEQ-500 platform that enables the identification of rare variants, with an average of 33.5X. Approximately 94.5% of the clean reads were mapped against the reference Zucchini genome. In total, 3,823,977 high confidence single-nucleotide polymorphisms (SNPs) were identified. Within each accession, SNPs varied from 636,918 in green Zucchini to 2,656,513 in Crookneck, and were distributed homogeneously along the chromosomes. Clear differences between subspecies pepo and ovifera in genetic variation and linkage disequilibrium are highlighted. In fact, comparison between subspecies pepo and ovifera indicated 5710 genes (22.5%) with Fst > 0.80 and 1059 genes (4.1%) with Fst = 1.00 as potential candidate genes that were fixed during the independent evolution and domestication of the two subspecies. Linkage disequilibrium was greater in subsp. ovifera than in subsp. pepo, perhaps reflective of the earlier differentiation of morphotypes within subsp. ovifera. Some morphotype-specific genes have been localized. Our results offer new clues that may provide an improved understanding of the underlying genomic regions involved in the independent evolution and domestication of the two subspecies. Comparisons among SNPs unique to particular subspecies or morphotypes may provide candidate genes responsible for traits of high economic importance.This work has been supported by Hellenic Agricultural Organization (ELGO) Demeter. Furthermore, we thank the Conselleria de Educacio, Investigacio, Cultura i Esport (Generalitat Valenciana) for funding Project Prometeo 2017/078 "Seleccion de Variedades Tradicionales y Desarrollo de Nuevas Variedades de Cucurbitaceas Adaptadas a la Produccion Ecologica". 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Home care in Europe: a systematic literature review

<p>Abstract</p> <p>Background</p> <p>Health and social services provided at home are becoming increasingly important. Hence, there is a need for information on home care in Europe. The objective of this literature review was to respond to this need by systematically describing what has been reported on home care in Europe in the scientific literature over the past decade.</p> <p>Methods</p> <p>A systematic literature search was performed for papers on home care published in English, using the following data bases: Cinahl, the Cochrane Library, Embase, Medline, PsycINFO, Sociological Abstracts, Social Services Abstracts, and Social Care Online. Studies were only included if they complied with the definition of home care, were published between January 1998 and October 2009, and dealt with at least one of the 31 specified countries. Clinical interventions, instrument developments, local projects and reviews were excluded. The data extracted included: the characteristics of the study and aspects of home care 'policy & regulation', 'financing', 'organisation & service delivery', and 'clients & informal carers'.</p> <p>Results</p> <p>Seventy-four out of 5,133 potentially relevant studies met the inclusion criteria, providing information on 18 countries. Many focused on the characteristics of home care recipients and on the organisation of home care. Geographical inequalities, market forces, quality and integration of services were also among the issues frequently discussed.</p> <p>Conclusions</p> <p>Home care systems appeared to differ both between and within countries. The papers included, however, provided only a limited picture of home care. Many studies only focused on one aspect of the home care system and international comparative studies were rare. Furthermore, little information emerged on home care financing and on home care in general in Eastern Europe. This review clearly shows the need for more scientific publications on home care, especially studies comparing countries. A comprehensive and more complete insight into the state of home care in Europe requires the gathering of information using a uniform framework and methodology.</p

Determinants of treatment plan implementation in multidisciplinary team meetings for patients with chronic diseases: a mixed-methods study.

Multidisciplinary team (MDT) meetings are assumed to produce better decisions and are extensively used to manage chronic disease in the National Health Service (NHS). However, evidence for their effectiveness is mixed. Our objective was to investigate determinants of MDT effectiveness by examining factors influencing the implementation of MDT treatment plans. This is a proxy measure of effectiveness, because it lies on the pathway to improvements in health, and reflects team decision making which has taken account of clinical and non-clinical information. Additionally, this measure can be compared across MDTs for different conditions