bluuebunny/crossref_metadata_2025_split huggingface dataset:
Instantaneous preparation of gold-carbon dot nanocomposites for on-site SERS identification of pathogens in diverse interfaces
Authors: Guo Yanxian , Liu Ye , Luo Chaocai , Zhang Yue , Li Yang , Zhou Fei , Guo Zhouyi , Zhuang Zhengfei , Liu Zhiming 
Published: April 2024

Rapid detection of pathogens present on contaminated surfaces is crucial for food safety and public health due to the high morbidity and mortality of bacterial infections. Herein, a sensitive and efficient method for on-site identification of foodborne pathogens on anisotropic surfaces was developed by using an in situ instantaneously prepared surface-enhanced Raman scattering (SERS) platform. To achieve this, molybdenum-doped gallic acid-derived carbon dots (MCDs) are utilized as the reductant for synthesizing Au@MCDs nanohybrids within just 3 s at ambient temperature. The synergistic effect of the electromagnetic enhancement and charge transfer of Au@MCDs enables excellent SERS performance 10 times stronger than bare Au NPs. The bioassay platform requires less than 5 min to complete the quantitative detection of foodborne pathogens on various microbial-contaminated interfaces with a sensitivity of 10 CFU/mL. This innovative strategy breaks the long-standing limitations of SERS substrates in practical use, such as the time-consuming process, interference of residual surfactants, poor surface stability, and few application scenarios, providing a promising tool for widespread applications in biomedical research and clinical diagnostics.
Superconducting single-photon detector with a speed of 5  GHz and a photon number resolution of 61
Authors: Zhang Tianzhu , Huang Jia , Zhang Xingyu , Ding Chaomeng , Yu Huiqin , Xiao You , Lv Chaolin , Liu Xiaoyu , Wang Zhen , You Lixing , Xie Xiaoming , Li Hao 
Published: April 2024

Rapid detection and discrimination of single photons are pivotal in various applications, such as deep-space laser communication, high-rate quantum key distribution, and optical quantum computation. However, conventional single-photon detectors (SPDs), including semiconducting and recently developed superconducting detectors, have limited detection speed and photon number resolution (PNR), which pose significant challenges in practical applications. In this paper, we present an efficient, fast SPD with good PNR, which has 64 paralleled, sandwiched superconducting nanowires fabricated on a distributed Bragg reflector. The detector is operated in a compact Gifford–McMahon cryocooler that supports 64 electrical channels and has a minimum working temperature of 2.3 K. The combined detector system shows a functional nanowire yield of 61/64, a system detection efficiency of 90% at 1550 nm, and a maximum count rate of 5.2 GHz. Additionally, it has a maximum PNR of 61, corresponding to the operating nanowires. This SPD signifies a substantial improvement in quantum detector technology, with potential applications in deep-space laser communication, high-speed quantum communication, and fundamental quantum optics experiments.
Exploring perspectives and insights of experienced voyagers on human health and Polynesian oceanic voyaging: A qualitative study
Authors: Mau Marjorie K. Leimomi Mala , Stotz Sarah A. , Minami Christina Mie , Kane Haunani Hiʻilani , Crabbe Kamanaʻopono M. , Guth Heidi Kai 
Published: April 2024

Background
The Worldwide Voyage (WWV) was a 3-year (2014–2017) open-ocean voyage to circumnavigate the world using Indigenous knowledge and navigational skills aboard Hōkūleʻa, a traditionally designed Native Hawaiian (NH) voyaging canoe (waʻa kaulua). Each WWV segment included experienced crew and leadership who were recognized by their voyaging peers as highly experienced in Polynesian oceanic voyaging. This study explored the perceptions and insights of WWV-experienced ocean voyagers on the interconnection between human health and oceanic voyaging.

Methodology
A constructivist approach with a storytelling-based moderator guide was used to conduct focus groups and informant interviews of experienced crew and voyaging leadership. Participants were interviewed and recorded transcripts were analyzed using content analysis. Triangulation of analysis included secondary thematic review by two independent NH cultural practitioners and participant member checking. Purposive sampling was used to enroll 34 of 66 eligible highly experienced voyagers (leadership n = 6; crew n = 28) in 5 focus groups and 4 informant interviews.

Results
Six themes emerged: 1) Indigenous context (spiritual and natural environment); 2) Importance of relationships and community; 3) Description of life on the canoe; 4) Holistic health; 5) Mindfulness, stress reduction and emotional health; and 6) Opportunities for intervention. Themes 1–5 were inductive and intricately interrelated, and theme 6 was deductive in that it directly resulted from a moderator guide question. Theme 6 offers strategies to improve the impact of voyaging and health well beyond the physical voyage with recommendations for improved transition back to land and developing a waʻa community context, which reflects a traditional voyaging experience.

Conclusions
Polynesian oceanic voyaging is strongly perceived as a positive and transformative holistic-health-promoting experience.

Significance
Recommendations to promote generalizable health benefits of a voyaging lifestyle offers a promising and culturally grounded approach warranting future studies to understand mechanism and potential impact for improving health inequities.
Mediation effects of basic psychological needs and motivation among coach leadership style on the subjective well-being of adapted sports athletes’ members of the special olympics
Authors: Domingues Ana , Santos Jorge , Batista Marco , Serrano João , Honório Samuel , Petrica João 
Published: April 2024

IntroductionSubjective well-being has numerous indicators of global well-being, however, the most important are life satisfaction and attachments, which can be both positive and negative. The leadership of the coach is an integral part of the process that cares for the relationship of the athlete and coach, where the coach has a fundamental role on the athlete, and consequently on his subjective well-being.ObjectiveThe study has the purpose to analyse if and in what way the Basic Psychological Needs—relationship, autonomy and social relationship (mediator 1, M1) and the autonomous motivation (mediator 2, M2) mediate the relationship of the variables of democratic style (independent variable, X) with subjective well-being–life satisfaction and positive attachment (dependent variable, Y).MethodsIn this cross-sectional study, participated 94 athletes with Intellectual and Developmental Difficulty (IDD), aged between 11 and 63 years (ẋ = 32.6 ± SD = 13.8 years) of both genders. Statistical analysis was performed using multiple serial mediation models, using the macro PROCESSforSPSS, version 3 (model 6), using thebootstrap methodwith 10000 samples.Results and ConclusionsThere is a mediation effect between those of basic psychological needs and autonomous motivation, exercised between the democratic leadership profile of the coach and the subjective welfare of the athlete. On the other hand, autocratic style has a significant direct effect on the increase in basic psychological needs and controlled motivation. However, the democratic style is more consistent in this type of analysis. Our results reinforce the importance of promoting a democratic leadership style on the part of the coach in their athletes, enhancing a direct effect on life satisfaction and positive attachment in athletes adapted with IDD members of the Special Olympics.
Effects of Clip Anchoring on Preventing Migration of Fully Covered Self-Expandable Metal Stent in Patients Undergoing Endoscopic Retrograde Cholangiopancreatography: A Multicenter, Randomized Controlled Study
Authors: Wang Xu , Shi Xin , Luo Hui , Ren Gui , Wang Xiangping , Zhao Jianghai , Li Hui , Ning Bo , Yi Hang , Zhong Li , Zhang Rongchun , Ni Zhi , Liang Shuhui , Xia Mingxing , Hu Bing , Pan Yanglin , Fan Daiming 
Published: April 2024

INTRODUCTION:
Fully covered self-expandable metal stents (FCSEMSs) are commonly placed in patients with biliary stricture during endoscopic retrograde cholangiopancreatography (ERCP). However, up to 40% of migration has been reported, resulting in treatment failure or the requirement for further intervention. Here, we aimed to investigate the effects of metal clip anchoring on preventing the migration of FCSEMS.

METHODS:
Consecutive patients requiring placement of FCSEMS were included in this multicenter randomized trial. The enrolled patients were randomly assigned in a 1:1 ratio to receive clip anchoring (clip group) or not (control group). The primary outcome was the migration rate at 6 months after stent insertion. The secondary outcomes were the rates of proximal and distal migration and stent-related adverse events. The analysis followed the intention-to-treat principle.

RESULTS:
From February 2020 to November 2022, 180 patients with biliary stricture were enrolled, with 90 in each group. The baseline characteristics were comparable between the 2 groups. The overall rate of stent migration at 6 months was significantly lower in the clip group compared with the control group (16.7% vs 30.0%, P = 0.030). The proximal and distal migration rates were similar in the 2 groups (2.2% vs 5.6%, P = 0.205; 14.4% vs 22.2%, P = 0.070). Notably, none of the patients (0/8) who received 2 or more clips experienced stent migration. There were no significant differences in stent-related adverse events between the 2 groups.

DISCUSSION:
Our data suggest that clip-assisted anchoring is an effective and safe method for preventing migration of FCSEMS without increasing the adverse events.
The Subject of Black Subjectivity
Authors: Peterson II Victor 
Published: April 2024

Abstract
In multiple essays, CLR James lays out what a theory of subjectivity must account for to resolve issues stemming from reducing subjectivity to a singular identity. Most proposals for a theory of subjectivity do so by making the subject the object of another’s propositions or claims about the world. I argue that this is an identity claim. The converse of this process is also true, that the subject who claims another as the object of their proposition must also be the object of a proposition themselves, leaving the capacity to form these expressions untouched. In Black Cultural studies, there has been a lot of attention paid to the capacity for one to become the object of their own propositions due to the conception that Black identity overdetermines Black subjects’ expressions prior to their articulation. Our reorientation to the study of subjectivity posits an entity whose operation functions to mobilise as well as implement identity claims. Subjectivity is a capacity while identity becomes the object of that capacity, an object shared between subjects that are known by becoming the object of propositions regarding the world, including their own. This essay attempts to resolve the conflicts that arise once the mistake of conflating subjectivity with identity claims is made and proposes a model whereby the concept of Black subjectivity can be explained.
Contractual Limitations of Liability and their Impact on Tort Claims
Authors: Pichonnaz Pascal 
Published: April 2024

Abstract
By concluding a contract, parties intend to allocate the contractual risk between them. This means that parties must anticipate any future adverse result and determine whether a party will have to cover any loss incurred by the other party as a result of performance or, more often, bad performance. In sales contracts, for example, parties may decide to exclude any liability for defects of goods, especially when selling used goods or for other reasons, or at least to limit liability for some defects or to limit types of possible claims. Similarly, in mergers and acquisitions, parties very strictly determine what is known by the seller in a disclosure letter and give the buyer access to some information in a data room prior to the conclusion of the contract to limit liability to the unknown and the non-disclosed.

CA Hill/BJM Quinn/SD Sollomon, Mergers and Acquisitions, Law, Theory, and Practice (2019) 372–403; R Tschäni/H-J Diem/M Wolf (eds), M&A-Transaktionen nach Schweizer Recht (3rd edn 2021) 209–215 (paras 420–431); O Duys/K Henrich in: W Hölters (ed), Handbuch Unternehmenskauf (8th edn 2015) ch 16, paras 16.108–16.116.

For each party, much of contractual drafting boils down to limiting risk to the greatest extent possible, or at least to ensure compensation for any risk incurred. If parties are on an equal footing, this may lead to an equitable allocation of risk and a balanced contractual liability regime. Contractual limitations of liability are, therefore, part of this process of adequate allocation of risks.
In this contribution, I will briefly address three issues. First, I will look at which principles are applicable to the validity of limitations of contractual liability (I) and then determine to what extent these principles apply to tort claims (II). This will finally lead me to determine whether the Principles of European Tort Law (PETL) need to be supplemented by a further rule dealing with the validity of contractual clauses limiting liability in tort (III).
Interval-valued T-spherical fuzzy extended power aggregation operators and their application in multi-criteria decision-making
Authors: Chen Lu 
Published: April 2024

Abstract
As an effective tool to show the fuzziness of qualitative information, the interval-valued T-spherical fuzzy set can utilize three kinds of information, namely, membership, abstinence, and non-membership, to show the opinions of decision-maker. Given this advantage, many interval-valued T-spherical fuzzy multi-criteria decision-making (IVTSF-MCDM) methods have been designed. However, most of the existing IVTSF-MCDM methods have a common limitation that the inability to effectively show the impacts of extreme data. To address this limitation, this study develops a novel MCDM method based on interval-valued T-spherical fuzzy extended power aggregation operator. First, interval-valued T-spherical fuzzy cross-entropy (CE) and interval-valued T-spherical fuzzy symmetrical CE are defined to measure the difference between two interval-valued T-spherical fuzzy numbers, which are used to determine criteria weights in MCDM. Second, interval-valued T-spherical fuzzy extended power average operator and interval-valued T-spherical fuzzy extended power geometric operator are proposed, and their properties are investigated. Moreover, in view of that criteria may be assigned to different weights, this study defines interval-valued T-spherical fuzzy extended power weighted average operator and interval-valued T-spherical fuzzy extended power weighted geometric operator to derive the order of alternatives. Finally, the applicability of the proposed method is validated by the case about investment country selection, while the sensitivity and comparison analyses are also conducted to further prove its advantages and effectiveness.
No cheering in the background? Individual performance in professional darts during COVID-19
Authors: Spilker Finn , Ötting Marius 
Published: April 2024

Abstract
The COVID-19 pandemic has led to a global shutdown of sporting activities. While professional sports competitions restarted in mid-2020, spectators were usually not allowed. This paper investigates the effect of absent fans and reduced social pressure on performance in professional darts – a setting where individual player performances can be well observed. Considering almost five years of tournament data, we use Bayesian multilevel models to investigate potential heterogeneity across players concerning reduced social pressure. For our analysis, we consider the two main performance measures in darts: the three-dart average and the checkout performance. Our results indicate that the effect of reduced social pressure on performance varies substantially across players. We further find experienced players to be less affected by social pressure compared to relatively inexperienced players.
The COVID-19 Pandemic and the Right to Development: A Tale of Two Worlds
Authors: Das Ishita 
Published: April 2024

Abstract
The COVID-19 pandemic has exposed several chinks in the armour of public health infrastructure across the world. However, the impact of the pandemic has been assessed primarily from the perspective of the ‘privileged’ members of society. The experiences of the ‘other’ world inhabited by the marginalised communities, who have had their livelihoods crushed under the weight of the pandemic, have been scarcely documented. As thousands of migrant workers were more scared of death caused by hunger rather than the disease itself, the various steps taken by different countries to curb community transmission have unveiled the ugly side of these measures. For example, as several states such as the US, the UK, Singapore, Hong Kong, and India/Bharat imposed lockdowns, border closures, quarantines, inter alia, the most vulnerable section of the human population has been the migrant workers, especially those individuals who were employed in the unorganised sector. Thus, the global health crisis has unravelled deep-rooted deficiencies, racial biases, and an overall lack of concern and empathy for the lesser privileged, apart from the growing socio-economic divide between the rich and the poor. This research paper aims to explore the impact of the COVID-19 pandemic on migrant workers in the informal sector by exploring the measures imposed by the US, the UK, Singapore, Hong Kong, and India/Bharat and analyse how their fundamental rights, including the right to development, were compromised. Through this paper, the author provides a five-point strategic framework that can be adopted globally to prevent such instances in the future.
Monitoring solids content development in pilot-scale through air drying of tissue paper
Authors: Sjöstrand Björn , Bergström Viktor 
Published: April 2024

Abstract
This study delves into the dynamic evolution of solids content in a pilot-scale through air drying tissue machine, aiming to enhance comprehension and refine optimization strategies for tissue manufacturing. It focuses on development of solids content throughout the process. Analyzing the interaction between process parameters and solids content provides deeper insights into water removal dynamics. The research employs solid contents monitoring techniques in pilot scale, offering a detailed view of solids content evolution from the wet web’s inception to the final tissue product. It significantly highlights the impact of key parameters, particularly pulp refining, on solids content across all positions of the pilot machine. Additionally, the study emphasizes the influence of vacuum system configurations, identifying the relationship between energy expended in the vacuum system and evaporation energy. Furthermore, the results indicate that compression and air displacement dewatering in vacuum boxes are less speed-sensitive compared to heat-driven evaporation in the TAD- and Yankee cylinders. Solid contents at all positions in the tissue machine correlates between various dewatering elements. Optimizing site-specific dewatering and evaporation strategies can potentially save drying energy in the Yankee drying phase which hold promise for enhanced energy and resource utilization, aligning with demands for sustainable manufacturing practices.
Production of recycled paper using harmless municipal sludge as a new biomass filler
Authors: Sun Hao , Chen Xiyu , Wei Lingjun , Cui Jieyu , Zhang Wanlu , Liu Longfei 
Published: April 2024

Abstract
Due to a shortage of resources, exploring new biomass fillers has become critical for paper making. In this study, we reported an eco-friendly strategy for fabricating low-cost and efficient recycled paper with high mechanical properties using corrugated cardboard waste paper and harmless municipal sludge (HMS). First, the characteristics of HMS, including the particle size, pH, specific surface area, organic functional groups and organic component content, were analyzed. Then, the influence of the amount of HMS on the properties of the recycled paper was studied. Finally, the strengthening mechanism of biomass filling recycled paper was discussed. The results showed that HMS, a biomass filler for recycled paper preparation, exhibited excellent physical and chemical properties, with a median particle size of 6.395 μm, a surface area of 39.974 m2 g−1 and organic functional groups. The tensile index of the recycled paper with 30 % HMS was 13.10 Nm/g, which was 16.4 % greater than that of the unfilled paper and showed better thermal stability. This excellent performance could be attributed to the uniform distribution of HMS on the fiber surface, which improved the accessibility of hydrogen bond formation between fibers. Thus, this study proved that HMS was an excellent biomass filler for producing recycled paper.
Inkjet printed acrylate-urethane modified poly(3,4-ethylenedioxythiophene) flexible conductive films
Authors: Fiket Lucija , Božičević Marin , Žagar Patricia , Jozić Dražan , Katančić Zvonimir 
Published: April 2024

Abstract
Flexible electronics is a new generation of electronic devices in which electronic components are integrated into flexible substrates. It is used in the fabrication of displays, solar cells, integrated circuits, and increasingly in the fabrication of electronic skin (E-skin), which can mimic the properties of human skin by being able to follow skin movements and flexures without loss of mechanical and electrical properties. E-skin is suitable for integrating various sensors to monitor personal health. Conductive polymers are used in flexible electronics due to their electrical conductivity, low mass, and stability. However, their main disadvantage is their brittleness, which is why they don’t possess flexibility property without modification. Therefore, in this work, the conductive polymer poly(3,4-ethylenedioxythiophene) (PEDOT) was used as the main chain and the side branches of poly(acrylate-urethane) (PAU) were grafted onto it by atom transfer radical polymerization (ATRP) onto it, obtaining the grafted copolymer PEDOT-g-PAU. In this way, the main chain of PEDOT retains the property of electrical conductivity without losing conjugation, while the side branches of PAU have the ability to crosslink non-covalently through hydrogen bonds with PAU side branches of adjacent polymer molecules due to the presence of oxygen in their structure. The presence of hydrogen bonds allows increasing the stretchability and flexibility of the material, and they also have the ability to spontaneously renew themselves when they break due to excessive stress. Three different synthesis conditions were used to obtain polymers of different structure, which were characterized by Fourier transform infrared spectroscopy (FTIR), nuclear magnetic resonance (NMR), scanning electron microscopy (SEM), thermogravimetric analysis (TGA), differential scanning calorimetry (DSC) and measurement of electrical conductivity with a four-point probe (4PP) method. The obtained graft copolymer was prepared in the form of ink and printed on a polyurethane (PU) substrate using inkjet technique. The conductivity of the printed layer, its elongation and adhesion were investigated, while possible delamination of the printed polymer layer was also monitored. The results showed that the PEDOT-g-PAU copolymer was successfully synthesized and inkjet printing on PU film was successful. The obtained material has satisfactory electrical and mechanical properties and could be used for the integration of fully functional biosensors with further optimization of the composition.