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Hybrid manufacturing enables to overcome additive manufacturing (AM) constraints regarding the maximum feasible part dimension and/or complexity through part separation and subsequent adhesive joining of AM sub-parts. To ensure structural integrity of the joint at a minimum use of substrate volume, the AM inherent freedom of design can be exploited by realizing 3D micro scarf adhesive joints. The performance of this novel adhesive joint design was assessed by conducting optical measurements and static tensile tests using samples fabricated by laser-based powder bed fusion of metals (PBF-LB/M).
The concept of altruism is evidenced in various disciplines but remains understudied in end-of-life (EOL) contexts. Patients at the EOL are often seen as passive recipients of care, whereas the altruism of professionals and families receives more research and clinical attention. Our aim was to summarize the state of the scientific literature concerning the concept of patient altruism in EOL contexts.
Methods
In May 2023, we searched 11 databases for scientific literature on patient altruism in EOL contexts in consultation with a health information specialist. The scoping review is reported using the PRISMA checklist for scoping reviews. We used a data charting form to deductively extract data from the selected articles and then mapped data into 4 themes related to our research questions: how authors describe and employ the concept of patient altruism; expressions of patient altruism; consequences of patients’ altruistic acts; and possible interventions fostering patient altruism.
Results
Excluding duplicates, 2893 articles were retrieved; 33 were included in the final review. Altruism was generally considered as an act or intention oriented toward the benefit of a specific (known) or non-specific (generic) recipient. Patients expressed altruism through care and support, decisions to withhold treatment or actively hasten death, and engagement in advance care planning. Consequences of altruism were categorized in patient-centered (contribution to meaning in life and quality of life), non-patient-centered (leaving a positive impact and saving money), and negative consequences (generating feelings of guilt, exposing individuals with low self-esteem). Interventions to encourage altruism comprised specific interventions, providing opportunities to plan for future care, and recognizing and respecting the patients’ altruistic motivations.
Significance of results
We identified heterogeneous and limited research conceptualization of patient altruism and its operationalization in palliative care settings. A deeper conceptual, empirical, and theoretical exploration of patient altruism in EOL is necessary.
The number of hospitalized patients with severe acute respiratory syndrome coronavirus type 2 (SARS-CoV-2) does not differentiate between patients admitted due to coronavirus disease 2019 (COVID-19) (ie, primary cases) and incidental SARS-CoV-2 infection (ie, incidental cases). We developed an adaptable method to distinguish primary cases from incidental cases upon hospital admission.
Design:
Retrospective cohort study.
Setting:
Data were obtained from 3 German tertiary-care hospitals.
Patients:
The study included patients of all ages who tested positive for SARS-CoV-2 by a standard quantitative reverse-transcription polymerase chain reaction (RT-PCR) assay upon admission between January and June 2022.
Methods:
We present 2 distinct models: (1) a point-of-care model that can be used shortly after admission based on a limited range of parameters and (2) a more extended point-of-care model based on parameters that are available within the first 24–48 hours after admission. We used regression and tree-based classification models with internal and external validation.
Results:
In total, 1,150 patients were included (mean age, 49.5±28.5 years; 46% female; 40% primary cases). Both point-of-care models showed good discrimination with area under the curve (AUC) values of 0.80 and 0.87, respectively. As main predictors, we used admission diagnosis codes (ICD-10-GM), ward of admission, and for the extended model, we included viral load, need for oxygen, leucocyte count, and C-reactive protein.
Conclusions:
We propose 2 predictive algorithms based on routine clinical data that differentiate primary COVID-19 from incidental SARS-CoV-2 infection. These algorithms can provide a precise surveillance tool that can contribute to pandemic preparedness. They can easily be modified to be used in future pandemic, epidemic, and endemic situations all over the world.
Misinformation presents a significant societal problem. To measureindividuals’ susceptibility to misinformation and study its predictors,researchers have used a broad variety of ad-hoc item sets, scales, questionframings, and response modes. Because of this variety, it remains unknownwhether results from different studies can be compared (e.g., in meta-analyses).In this preregistered study (US sample; N = 2,622), we comparefive commonly used question framings (eliciting perceived headline accuracy,manipulativeness, reliability, trustworthiness, and whether a headline is realor fake) and three response modes (binary, 6-point and 7-point scales), usingthe psychometrically validated Misinformation Susceptibility Test (MIST). Wetest 1) whether different question framings and response modes yield similarresponses for the same item set, 2) whether people’s confidence in theirprimary judgments is affected by question framings and response modes, and 3)which key psychological factors (myside bias, political partisanship, cognitivereflection, and numeracy skills) best predict misinformation susceptibilityacross assessment methods. Different response modes and question framings yieldsimilar (but not identical) responses for both primary ratings and confidencejudgments. We also find a similar nomological net across conditions, suggestingcross-study comparability. Finally, myside bias and political conservatism werestrongly positively correlated with misinformation susceptibility, whereasnumeracy skills and especially cognitive reflection were less important(although we note potential ceiling effects for numeracy). We thus find moresupport for an “integrative” account than a “classicalreasoning” account of misinformation belief.
The suggestion that the new private law theory would have to stand the test of acceptance by the global legal community raises a question. Who is that “global legal community?” And does it go beyond Europe? Close reading demonstrates that the non-European world is present and hidden at the same time. It is present because much of the material presented, many of the theories discussed, have transnational materials. However, the non-European world is hidden at the same time because it remains unaddressed, marginalized, and ignored. Including the Global South would make necessary a more radical pluralization of private law theory. This opens up the possibility of new, very different idea of a global legal community that is more improbable but also more attractive.
Legal unification is often said to be necessary for trans-border commerce: Europe is an optimal market, facilitated through the institution of the European Union. Alternatively, legal unification in Europe is linked to an idea of a European cultural identity. Behind these two justifications are two ideas about what Europe is. Can the same be said about Asia? In this chapter, Michaels connects discussions about an Asian identity with four concepts of Asia. The first concept is a European idea of Asia and Asian law, which defines a presumably homogeneous Asia on the basis of its level of difference from Europe. Of next three concepts, two of them explicitly invoke leadership of one country: China or Japan. Finally, the idea of Asian values attempts to avoid leadership by any one country in favour of a truly Asian identity. The three chapters cannot avoid the central problems of the European projection: they are all defined by their relation to the West. Michaels closes with an alternative concept of Asia “as method” to overcome these two shortcomings and may offer a more promising path towards an idea of Asian law.
H. L. A. Hart famously suggested to understand legal systems as consisting not only of primary rules (rules that require or forbid certain conduct) but also of secondary rules (rules that determine how rules are created, changed and abolished). This is enough for law within one system, but it cannot account for relations between different legal systems. For this purpose, the chapter introduces the concept of tertiary rules that determine a legal system’s relation with another legal system. The most fundamental such tertiary rule is the rule of external recognition – the rule with which a legal system recognizes a foreign law as law. But this is not the only tertiary rule – choice-of-law rules and certain other rules also count as tertiary rules. The chapter demonstrates the empirical and theoretical importance of the concept of tertiary rules and discusses other examples.
In the spring of 2020, globalization came to a halt, seemingly. In view of the spread of a new kind of Coronavirus, countries worldwide closed their borders. Populations were confined to their own states, sometimes their own districts, or their own apartments. Legal regulations were enacted at the state and substate level, and their enforcement was strictly confined. International organizations, the World Health Organization, proved incapable of bringing the world together and fell into crisis; at the time of finalizing this essay, the US President has announced his plan to withdraw from it. Territory mattered again.
Arbitration is often called autonomous – either as a description of reality, or as a desirable situation. This is not at all an uncomplicated claim. What do such claims for autonomous arbitration mean? How does it fit with the history of law and state? Does autonomy exist in practice? Is it conceivable or desirable in theory? And if not, how should we understand the idea of autonomous arbitration instead? These are questions that this chapter addresses, on the basis of well-known debates and topics. The result is that autonomy of arbitration does not exist and probably could not exist. What proponents of autonomy really defend is a particular position for international arbitration.
Resilience is a cross-disciplinary concept that is relevant for understanding the sustainability of the social and environmental conditions in which we live. Most research normatively focuses on building or strengthening resilience, despite growing recognition of the importance of breaking the resilience of, and thus transforming, unsustainable social-ecological systems. Undesirable resilience (cf. lock-ins, social-ecological traps), however, is not only less explored in the academic literature, but its understanding is also more fragmented across different disciplines. This disparity can inhibit collaboration among researchers exploring interdependent challenges in sustainability sciences. In this article, we propose that the term lock-in may contribute to a common understanding of undesirable resilience across scientific fields.
Extensive settlement activity at the Bronze Age site of Mokarta in western Sicily has previously been inferred, but the extent and condition of its subsurface remains have never been established. The authors use geophysical prospection, historical and modern remote-sensing data and soil chemistry to identify previously undocumented structures and activity areas extending beyond those exposed by previous excavations. This exercise not only has implications for the multifaceted social organisation of Late Bronze Age communities in Sicily, but, more generally, demonstrates how minimally invasive investigative techniques combined with existing data can reveal subsurface archaeological sites and the impact of post-depositional processes.
The chapter discusses the current backlash against transnational law, as exemplified in the Brexit discussions underway in the United Kingdom. That backlash, it is argued, is based on an irrational nostalgic desire for the past: there is no return to the nation state as it existed. But much contemporary transnational law suffers from a nostalgia of its own—nostalgia for the period, some sixty years ago, when transnational law was first developed. That time, the post-war area, is as irreversibly passé as is the nation state, and transnational law, it is argued, can no longer rest on the ideas of its birth. Instead, the chapter advocates for a renewal of transnational law based on a new “PRIDE.” That PRIDE consists of a number of elements: politicization of law, redistribution as challenge, inclusion of outsiders (including opponents), democratization of law making and adjudication instead of exaggerated trust in experts or seemingly natural consequences, and energization and emotion to counter the emotionality of opponents.
We report a novel strategy to render stainless steel (SS) a more versatile material that is suitable to be used as the substrate for preparing electrodes for efficient hydrogen evolution by interface engineering. Our strategy involves the growth of carbon nanotubes (CNTs) by atmospheric pressure chemical vapor deposition (APCVD) as the interface material on the surface of SS. We optimized the procedure to prepare CNTs/SS and demonstrate a higher activity of the CNTs/SS prepared at 700 °C for the hydrogen evolution reaction (HER) when compared to samples prepared at other temperatures. This can be attributed to the higher number of defects and the higher content of pyrrolic N obtained at this temperature. Our strategy offers a new approach to employ SS as a substrate for the preparation of highly efficient electrodes and has the potential to be widely used in electrochemistry.
Perovskite chalcogenides are gaining substantial interest as an emerging class of semiconductors for optoelectronic applications. High-quality samples are of vital importance to examine their inherent physical properties. We report the successful crystal growth of the model system, BaZrS3 and its Ruddlesden–Popper phase Ba3Zr2S7 by a flux method. X-ray diffraction analyses showed the space group of Pnma with lattice constants of a = 7.056(3) Å, b = 9.962(4) Å, and c = 6.996(3) Å for BaZrS3 and P42/mnm with a = 7.071(2) Å, b = 7.071(2) Å, and c = 25.418(5) Å for Ba3Zr2S7. Rocking curves with full width at half maximum of 0.011° for BaZrS3 and 0.027° for Ba3Zr2S7 were observed. Pole figure analysis, scanning transmission electron microscopy images, and electron diffraction patterns also establish the high quality of the grown crystals. The octahedral tilting in the corner-sharing octahedral network is analyzed by extracting the torsion angles.
Graph-based design languages offer a promising approach to address several major issues in engineering, e. g. the laborious manual transfer between CAD and CAE. Such languages generate a digital meta- or system model storing all relevant information about a design and feed this into any relevant CAE tool as needed to simulate and test the impact of any design variation on the resulting product performance. As this can be automated in digital compilers to perform systematic design variation for an almost infinite amount of parameters, such graph-based languages are a powerful means to generate viable design alternatives and thus permit fast evaluations.
To leverage the full potential of graph-based design languages, possibilities are presented to expand their applicability into the domain of product functions. This possibilities allow to cohesively link integrative function modelling to product structures. This intends to close the gap between the early, abstract stages and the systematic, concrete design generation and validation with relevant CAE tools. In this paper, the IFM Framework was selected as integrated function model to be linked with the graph- based design languages.
When France and Belgium banned face veils in 2010 and 2011, they were the first European countries to do so in a comprehensive matter. Now Austria has its own ban, Denmark is on track to have one too, and several other countries are toying with the idea. Such bans are often considered incompatible with the rights of veil wearers (especially Muslim women). Less prominent is the question whether such bans are incompatible with the modern state.
Such a critique can be grounded on the work of the leading German constitutional law scholar Ernst-Wolfgang Böckenförde and his famous dictum, according to which “[t]he liberal, secularized state draws its life from preconditions it cannot itself guarantee.” For Böckenförde, this means that headscarves, a different type of veil, cannot be banned—not because this would violate a woman's rights, but because it would undermine the very character of the state itself.
The article transposes this argument from the German discourse over headscarves to the European discourse over face veils. It demonstrates the potential of Böckenförde's dictum for the face veil debate, but also its limitations.
Philip Jessup would not be pleased. Exactly sixty years after he published his groundbreaking book on Transnational Law, a majority of voters in the United Kingdom decided they wanted none of that. By voting for the UK to leave the European Union, they rejected what may well be called the biggest and most promising project of transnational law. Indeed, the European Union (including its predecessor, the European Economic Community), is nearly as old Jessup's book. Both are products of the same time. That invites speculation that goes beyond the immediate effects of Brexit: Is the time of transnational law over? Or can transnational law be renewed and revived?
Analyses of shallow cores obtained at the European Project for Ice Coring in Antarctica (EPICA) drilling site Kohnen station (75°00′ S, 00°04′ E; 2892 m a.s.l.) on the plateau of Dronning Maud Land reveal the presence of conserved snow dunes in the firn. In situ observations during three dune formation events in the 2005/06 austral summer at Kohnen station show that these periods were characterized by a phase of 2 or 3 days with snowdrift prior to dune formation which only occurred during high wind speeds of >10 m s-1 at 2 m height caused by the influence of a low-pressure system. The dune surface coverage after a formation event varied between 5% and 15%, with a typical dune size of (4 ± 2) m × (8 ± 3) m, a maximum height of 0.2 ± 0.1 m and a periodicity length of about 30 m. The mean density within a snow dune varied between 380 and 500 kg m-3, whereas the mean density at the surrounding surface was 330 ± 5 kgm-3. The firn cores covering a time-span of 22 ± 2 years reveal that approximately three to eight events per year occurred, during which snow dunes had been formed and were preserved in the firn.