Palliative Care in the Community: The Greek Version of the Supportive and Palliative Care Indicators Tool (SPICT™).

INTRODUCTION/OBJECTIVES: Systematic identification of persons with palliative care needs constitutes a major challenge for promoting palliative care in all levels of the health system, including primary care. The aim of this study was to translate, cross-culturally adapt, and content validate Supportive and Palliative Care Indicators Tool (SPICT) for use in the Greek primary care context. Secondary objectives were to probe the use of SPICT-GR in exemplary case vignettes, to discuss the clarity and comprehensibility of its content as well as the appropriateness, acceptability, and feasibility of the tool within the Greek primary care. METHODS: The Greek translation and cross-cultural adaptation of SPICT™ followed World Health Organization recommendations for translation and adaptation of instruments. For this purpose a working group was set up consisting of 2 senior researchers, a primary care professional with postgraduate training in Palliative Medicine and a general practitioner (GP) with special interest in primary palliative care. Three focus groups comprised of health professionals (n = 23) working in primary care settings participated in the pilot testing phase. Participants also completed a questionnaire including rating their perceptions on tool's utility and feasibility as well as on the clarity and relevance of its items. Thematic analysis was used for focus groups discussions on how the tool was perceived and interpreted by health professionals in a Greek healthcare context and descriptive statistics for the quantitative analysis of the questionnaire data. RESULTS: The majority assessed the tool as useful (65%), considered its implementation in primary care as feasible (91%) and rated its items as "relevant" or "very relevant" and "clear" or "very clear." Three themes emerged from focus groups discussions: Guiding clinical practice and facilitating collaboration; promoting comprehensive care and awareness for palliative care; applicability in and suitability for primary care. CONCLUSIONS: SPICT-GR™ was identified as a practical and applicable tool for primary care, a source of guidance for the comprehensive identification of patients' palliative care needs, promoting awareness on palliative care and facilitating a shared language among health care professionals.

Identifying Reactive Sites and Surface Traps in Chalcopyrite Photocathodes.

Gathering information on the atomic nature of reactive sites and trap states is key to fine tuning catalysis and suppressing deleterious surface voltage losses in photoelectrochemical technologies. Here, spectroelectrochemical and computational methods were combined to investigate a model photocathode from the promising chalcopyrite family: CuIn0.3 Ga0.7 S2 . We found that voltage losses are linked to traps induced by surface Ga and In vacancies, whereas operando Raman spectroscopy revealed that catalysis occurred at Ga, In, and S sites. This study allows establishing a bridge between the chalcopyrite's performance and its surface's chemistry, where avoiding formation of Ga and In vacancies is crucial for achieving high activity.

Surface Chemistry of Perovskite Oxynitride Photocatalysts: A Computational Perspective.

Perovskite oxynitrides are an established class of photocatalyst materials for water splitting. Previous computational studies have primarily focused on their bulk properties and have drawn relevant conclusions on their light absorption and charge transport properties. The actual catalytic conversions, however, occur on their surfaces and a detailed knowledge of the atomic-scale structure and processes on oxynitride surfaces is indispensable to further improve these materials. In this contribution, we summarize recent progress made in the understanding of perovskite oxynitride surfaces, highlight key processes that set these materials apart from their pure oxide counterparts and discuss challenges and possible future directions for research on oxynitrides.

Bulk and surface properties of the Ruddlesden-Popper oxynitride Sr2TaO3N.

Oxynitrides with the perovskite structure are promising candidates for photocatalysis under visible light due to their appropriate optical and electronic properties. Recently, layered perovskites have attracted attention for their improved performance with respect to bulk perovskites in photocatalytic water splitting. In this paper, we investigate the structural and electronic properties of the layered Ruddlesden-Popper oxynitride Sr2TaO3N and its (001) and (100) surfaces using density functional theory (DFT) calculations. We find that the energetically favoured configuration of the bulk has an in-plane cis anion order and exhibits rotations of the TaON octahedra. Furthermore, we show that the TaON-terminated (001) surface suppresses exciton recombination due to higher-energy surface states, giving a potential explanation for the good photocatalytic performance.