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Introduction: Caring for the dying can generate anxiety and emotional distress, particularly in nursing students, and perceived competence could play a crucial role in enabling nurses to perform their duties with greater confidence. Unfortunately, few studies describe the relationship between students' nursing attitudes and perceived self-efficacy in palliative care (PC). To overcome this gap, this survey aimed to assess the attitudes towards dying patients and the perceived competence of nursing students in palliative care at different universities in the south of Italy. Methods: A cross-sectional study was conducted from September 2022 to March 2023 involving nursing students from the three major Sicilian universities (Italy). The study included a survey investigating socio-demographic characteristics, palliative care training, knowledge about pain management, and previous experience with dying. Moreover, the Professional Competence of the Core Curriculum in Palliative Care Nursing (CCPCN) questionnaire and the Frommelt Attitudes Toward Care of the Dying-B Italian version (FATCOD-B-I) assessed competencies and emotional attitudes. Results: A total of 1913 nursing students were recruited, of which 71.3% were females, and 53.9% were in the age range of 18 to 21 years. In the multivariable analysis, practical PC training was a substantial factor in enhancing competencies (Adj-OR 2.78 [95% CI = 2.12-3.65]). Male students had higher competence odds (Adj-OR 1.38 [95% CI = 1.14-1.66]), and perceived knowledge strongly correlated with self-assessed competence. Advancement in academic years also positively influenced competence self-assessment (Adj-OR 1.98 [95% CI = 1.75-2.24]). Regarding emotional attitudes, a per-quartile increase in competence score was found to improve the attitude score (Adj-OR 1.24 [95% CI = 1.13-1.35]). Conclusions: Nursing students gain valuable experience during clinical experience. PC training and perceived knowledge of PC significantly increase nurses' competencies, and the latter seem to be strongly associated with attitudes. Thus, introducing palliative care education into nurses' core curricula could be a way to reduce anxiety and emotional distress in young students.

The -N + (CH 3 ) 3 residue is present in acetylcholine (ACh) and in many of its analogues which are used as selective ACh agonist or antagonists for human therapy. The X-ray structures of four ACh derivatives show the presence of short and linear contacts between the C atoms of -N + (CH 3 ) 3 groups and lone pair possessing atoms. These contacts can be rationalized as tetrel bonds (TtBs) thanks to their geometric features. Interrogation of the Protein Data Bank suggests that similar -N + -C⋅⋅⋅nucleophile contacts affect the details of the binding of ACh and its derivatives to proteins. Quantum theory of atoms in molecules, noncovalent interaction plot, and natural bond orbital analyses consistently confirm that the -N + -C⋅⋅⋅nucleophile contacts observed in small molecule crystals and in substrate/protein complexes are attractive in nature and can be rationalized as TtBs. TtBs involving methyl groups of the -N + (CH 3 ) 3 moiety can be proposed as a new item in the palette of interactions allowing the compounds containing this pharmacophoric unit to bind to their target protein and/or to express their biological/pharmacological properties., (© 2024 The Author(s). Chemistry - A European Journal published by Wiley-VCH GmbH.)

Adducts between OsO 4 and Lewis bases exert a role in important oxidation processes such as epoxidation and dihydroxylation. It has been shown that the attractive interaction driving the formation of these adducts is a σ-hole bond involving the metal as the electrophilic species; the term Osme Bond (OmB) was proposed for designating it. Here some new adducts between OsO 4 and various bases have been characterized through single crystal x-ray diffraction (XRD) and computational studies (density functional theory, DFT), confirming the existence of a robust correlation between σ-hole interaction energy and deformation of the tetrahedral geometry of OsO 4 . Also, some adducts formed by RuO 4 with nucleophiles were investigated computationally., (© 2024 Wiley‐VCH GmbH.)