bluuebunny/crossref_metadata_2025_split huggingface dataset:
Zur Berechnung der Spektren von Polyinen, eine weitere mathematische Methode auf der Basis des Elektronengas‐Modells von H. Kuhn
Authors: Lemke Ralf 
Published: October 2023

AbstractDie Bandenlage in den Spektren von Polyinen ist nach der Polynom‐Darstellung P(2) ‐ Gleichung (1 b) und nach der Exponential‐Darstellung M = Gleichung (2) wiederzugeben. Es wird gezeigt, daß die gebrochene rationale Funktion
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dem Elektronengas‐Modell von H. Kuhn entspricht und die Bandenlage nach entsprechender Optimierung ebenfalls anzugeben erlaubt. Vorläufig können keine Gründe festgestellt werden, die einem der 3 Verfahren eine Sonderstellung einräumen. Genau wie bei den Polyenen übertrifft die Genauigkeit der Wiedergabe bei den Polyinen den bisher üblichen Standard.
Essential Oils of the Leaves of Epaltes australis Less. and Lindera myrrha (Lour.) Merr.: Chemical Composition, Antimicrobial, Anti‐inflammatory, Tyrosinase Inhibitory, and Molecular Docking Studies
Authors: Pham Ty Viet , Huu Cuong Le , Hong Ha Tran Thi , Dinh Luyen Nguyen , Xuan Ha Nguyen , Hoang Thao Xuan , Thanh Hao Nguyen , Huy Gioi Dong , Thu Thuy Ta Thi , The Son Ninh 
Published: October 2023

AbstractEpaltes australis Less. has been traditionally used to treat fever and snake bites, whereas Lindera myrrha (Lour.) Merr. is well‐known for addressing colds, chest pain, indigestion, and worm infestations. This study marks the first report on the chemical compositions and biological potentials of essential oils extracted from the leaves of Epaltes australis and Lindera myrrha. Essential oils obtained by hydro‐distillation were analysed using the GC/MS (gas chromatography‐mass spectrometry). E. australis exhibited a predominant presence of non‐terpenic compounds (46.3 %), with thymohydroquinone dimethyl ether as the major compound, constituting 44.2 % of the oil. L. myrrha leaf oil contained a good proportion of sesquiterpene hydrocarbons (56.8 %), with principal compounds including (E)‐caryophyllene (22.2 %), ledene (9.7 %), selina‐1,3,7(11)‐trien‐8‐one (9.6 %), and α‐pinene (7.0 %). Both essential oils exhibited antimicrobial activity against the bacteria Bacillus subtilis and Clostridium sporogenes, and Escherichia coli, and the fungus Aspergillus brasiliensis. L. myrrha leaf essential oil exhibited potent control over the yeast Saccharomyces cerevisiae with a MIC of 32 μg/mL. Additionally, L. myrrha leaf oil showed strong anti‐inflammatory activity with an IC50 value of 15.20 μg/mL by inhibiting NO (nitric oxide) production in LPS (lipopolysaccharide)‐stimulated RAW2647 murine macrophage cells. Regarding anti‐tyrosinase activity, E. australis leaf oil showed the best monophenolase inhibition with the IC50 of 245.59 μg/mL, while L. myrrha leaf oil successfully inhibited diphenolase with the IC50 of 152.88 μg/mL. From molecular docking study, selina‐1,3,7(11)‐trien‐8‐one showed the highest affinity for both COX‐2 (cyclooxygenase‐2) and TNF‐α (tumor necrosis factor‐α) receptors. Hydrophobic interactions play a great role in the bindings of ligand‐receptor complexes.
Inguinal hernia repair in an elderly patient with moderate aortic stenosis under sole epidural anesthesia: A case report
Authors: Devkota Sagar , Thapa Yubaraj 
Published: October 2023

Key Clinical MessageIn resource limited settings, epidural anesthesia can be a safe option for elderly patients with aortic stenosis for lower abdominal surgeries as the hemodynamic changes are known to be less as compared to spinal or general anesthesia.AbstractSpinal or general anesthesia in an elderly patient with aortic stenosis is always a challenge for anesthesiologists. It is even more challenging in a resource limited setting. The marked hemodynamic changes associated with either spinal or general anesthesia increase the morbidity and mortality. We present a case of right inguinal hernia in a 71‐year‐old patient with hypertension, bradycardia, and moderate aortic stenosis planned for open mesh repair under sole epidural anesthesia.
Bochdalek hernia presenting as recurrent fever and bicytopenia in a pediatric patient: A rare case report
Authors: Salajegheh Pouria , Gilani Abolfazl , Yazdi Farzaneh , Sarmadian Roham , Habibzadeh Adrina 
Published: October 2023

Key Clinical MessageBochdalek hernia is a rare condition characterized by the displacement of abdominal contents into the thoracic cavity. Due to the nonspecific nature of symptoms, prompt diagnosis, and management by emergency care providers can be challenging. Treatment of a Bochdalek hernia typically involves the reduction in the herniated contents back into the abdominal cavity. In this case report, we present the case of a 1‐year‐old girl who presented to the emergency department with a fever and bicytopenia. Further evaluation revealed a Bochdalek hernia, which was successfully managed with surgical intervention. This case highlights the importance of considering a Bochdalek hernia in the differential diagnosis of patients presenting with recurrent nonspecific symptoms (fever and bicytopenia).
Cystic bronchiectasis in sarcoidosis
Authors: Jadav Raja Shekar , Dadana Sriharsha , Avula Akshay 
Published: October 2023

Key Clinical MessagePulmonary sarcoidosis can manifest in different radiologic patterns. Typical manifestations in high‐resolution computed tomography are bilateral perihilar lymphadenopathy, micronodules, and fibrotic changes. Atypical manifestations are mass‐like or alveolar opacities, honeycomb‐like cysts, miliary opacities, tracheobronchial involvement, and pleural disease. Cystic bronchiectasis in pulmonary sarcoidosis is rare, with only a few reported cases in the literature. We present another case of cystic bronchiectasis with a honeycomb‐like pattern in pulmonary sarcoidosis and with cardiac involvement. This case was presented as an abstract poster at the American Thoracic Society conference in 2022.
Sheathless CESI–MS versus LC–MS: Results of qualitative and quantitative analyses of the primary and secondary metabolites of Pleioblastus amarus bamboo shoots
Authors: Ren Yan , Liu Ying , Zhang Wenming , Ran Junfeng , Li Li , Zhang Zhidan 
Published: October 2023

AbstractThe bamboo shoot of Pleioblastus amarus (Keng) Keng f. is a medicinal and edible resource in China. In this study, three separation techniques were applied to identify the primary and secondary metabolites component of P. amarus bamboo shoots, including sheathless capillary electrophoresis electrospray ionization–mass spectrometry (CESI–MS), reverse‐phase liquid chromatography–MS (RPLC–MS), and hydrophilic interaction liquid chromatography–MS (HILIC–MS). A total of 201 metabolites were identified by the three methods. Among those metabolites, 146 were identified by RPLC–MS, 85 were identified by HILIC–MS, and 46 were identified by sheathless CESI–MS. These methods were complementary and had a linear coefficient. CESI–MS presented advantages in the identification of isomers, high sensitivity, very low sample usage, and good detection of polar and nonpolar metabolites, showing its unique applications in food analysis and prospects in metabolic research.
Marchiafava–Bignami disease after the white matter lesions: A case report
Authors: Zhou Zhiwei , Chu Qiongxian , Du Xingyu , Pan Chunhua , Zhou Hongyan , Xu Zhongxiang , Xu Zucai , Xu Ping 
Published: October 2023

AbstractMarchiafava–Bignami disease (MBD) is an uncommon alcoholism‐related neuropsychiatric disorder, featured with symmetrical demyelination of part or whole corpus callosum (CC). Previous studies reported follow‐up neuroimaging changes with necrosis, cystic degeneration, and atrophy of the CC after the diagnosis of MBD, but it is unclear whether the white matter is damaged before MBD. We report a case of alcoholic MBD whose magnetic resonance imaging revealed structural lesions in the white matter before the typical demyelination of CC during MBD, which support the prior hypothesis that chronic hazardous drinking may initially lead to microstructure abnormalities of the white matter and CC through some possible mechanisms, then microstructure lesions in the CC, and white matter deterioration into extensive demyelination, that is MBD. In future clinical practice, when patients with chronic alcoholism seek treatment for neuropsychiatric disorders, they may need to undergo repeated MRI scans to reveal progressive neuroimaging features before and after MBD.
Epidemiologic, clinical and therapeutic features of primary cutaneous lymphomas in Morocco
Authors: Hali Fouzia , Zakaryaa Salma , Senouci Karima , Zeggwagh Zineb , Mernissi Fatima Zahra , Elloudi Sara , Hashas Fatima Zahra , Amal Said , Hocar Ouafa , Aboudourib Maryem , Kelati Awatef , Chikhaoui Inas , Quessar Asmaa , Chiheb Soumiya 
Published: October 2023

AbstractBackgroundFew epidemiological studies on primary cutaneous lymphomas are available and related to limited populations.ObjectivesTo characterize the epidemiologic, clinical and therapeutic features of primary cutaneous lymphomas from a global perspective at the national level.MethodsA cross‐sectional descriptive multicenter study including patients treated for cutaneous lymphomas at dermatology and venereology departments of different university hospitals in the kingdom of Morocco from January 2012 to December 2021.ResultsOur multicenter cohort consisted of 402 patients. The median age was 56 years (15–114) with a male predominance (61%, 245 cases). Based on the WHO‐EORTC classification, the most frequent histological type was cutaneous T‐cell lymphoma (CTCL) (88% of cases). Of these, mycosis fungoides (MF) was the most common (78%). B‐cell lymphomas represented 12% of cases, mainly centro‐follicular B‐cell lymphoma (40%). The clinical presentation was most frequently erythematous and scaly infiltrated lesions in 187 CTCL patients (52.6%), and nodular lesions in 37 patients (78%) with B‐cell lymphomas. Treatment modalities depended on the tumour's histological type and stage and included: topical corticosteroids and phototherapy in 52% of cases, monochemotherapy, radiotherapy, photopheresis and polychemotherapy. The evolution was marked by remission in 41% of patients, relapse in 17% and death in 12%.ConclusionsOur national study provides data on primary cutaneous lymphomas in Morocco, never before mentioned in indexed literature. We identified 402 cases over a 10‐year period. A better knowledge of these entities is key to optimize diagnosis and therapy.
Enhanced Osteolysis Targeted Therapy through Fusion of Exosomes Derived from M2 Macrophages and Bone Marrow Mesenchymal Stem Cells: Modulating Macrophage Polarization
Authors: Ma Tianliang , Chen Sijie , Wang Jiahao , Liang Shuailong , Chen Mingyu , Liu Qimeng , Zhang Zheyu , Liu Guanzhi , Yang Yute , Hu Yihe , Xie Jie 
Published: October 2023

AbstractAseptic loosening of prostheses is a highly researched topic, and wear particle‐induced macrophage polarization is a significant cause of peri‐prosthetic osteolysis. Exosomes derived from bone marrow mesenchymal stem cells (BMSCs‐Exos) promote M2 polarization and inhibit M1 polarization of macrophages. However, clinical application problems such as easy clearance and lack of targeting exist. Exosomes derived from M2 macrophages (M2‐Exos) have good biocompatibility, immune escape ability, and natural inflammatory targeting ability. M2‐Exos and BMSCs‐Exos fused exosomes (M2‐BMSCs‐Exos) are constructed, which targeted the osteolysis site and exerted the therapeutic effect of both exosomes. M2‐BMSCs‐Exos achieved targeted osteolysis after intravenous administration inhibiting M1 polarization and promoting M2 polarization to a greater extent at the targeted site, ultimately playing a key role in the prevention and treatment of aseptic loosening of prostheses. In conclusion, M2‐BMSCs‐Exos can be used as a precise and reliable molecular drug for peri‐prosthetic osteolysis. Fused exosomes M2‐BMSCs‐Exos were originally proposed and successfully prepared, and exosome fusion technology provides a new theoretical basis and solution for the clinical application of therapeutic exosomes.
Click Chemistry in Lithium‐Metal Batteries
Authors: Hu Ji , Wang Wanhui , Zhou Binghua , Sun Jianguo , Chin Wee Shong , Lu Li 
Published: October 2023

AbstractLithium‐metal batteries (LMBs) are considered the “holy grail” of the next‐generation energy storage systems, and solid‐state electrolytes (SSEs) are a kind of critical component assembled in LMBs. However, as one of the most important branches of SSEs, polymer‐based electrolytes (PEs) possess several native drawbacks including insufficient ionic conductivity and so on. Click chemistry is a simple, efficient, regioselective, and stereoselective synthesis method, which can be used not only for preparing PEs with outstanding physical and chemical performances, but also for optimizing the stability of solid electrolyte interphase (SEI) layer and elevate the cycling properties of LMBs effectively. Here it is primarily focused on evaluating the merits of click chemistry, summarizing its existing challenges and outlining its increasing role for the designing and fabrication of advanced PEs. The fundamental requirements for reconstructing artificial SEI layer through click chemistry are also summarized, with the aim to offer a thorough comprehension and provide a strategic guidance for exploring the potentials of click chemistry in the field of LMBs.
Organic Dye Molecule Intercalated Vanadium Oxygen Hydrate Enables High‐Performance Aqueous Zinc‐Ion Storage
Authors: Cui Rukun , Gu Jianmin , Wang Ning , Wang Yiran , Huang Xiaoyan , Zhang Senlin , Lu Li , Wang Desong 
Published: October 2023

AbstractAlthough the layered vanadium oxide‐based materials have been considered to be one of the candidates for aqueous Zn‐ion batteries (AZIBs), it still faces inevitable challenges of unsatisfactory capacities and sluggish kinetics because of strong electrostatic interactions between Zn‐ions and structure lattice. This work addresses the strategy of pre‐inserting guest materials to vanadium oxide cathode using different intercalants. To achieve this goal, the small organic dye molecules, methyl orange (MO), and methylene blue (MB) are proposed as the intercalants for vanadium oxygen hydrate (VOH). It has been demonstrated that use of these intercalants can facilitate reaction kinetics between Zn2+ and VOH, leading to an improvement of specific capacity (293 mAh g−1 at 0.3 A g−1 for MO‐VOH and 311 mAh g−1 for MB‐VOH) compared to VOH, a large enhancement of excellent energy density (237.1 Wh kg−1 for MO‐VOH, 232.3 Wh kg−1 for MB‐VOH), and a prolong lifespan operation at 3 A g−1. The mechanism studies suggest that the weakened electrostatic interactions between the Zn–ions and V–O lattice after intercalating organic molecules contribute to boosting the electrochemical performance of AZIBs unveiled by charge density difference and binding energy.
The dual impact of technological tools on health and technostress among older workers: an integrative literature review
Authors: Nedeljko Mihael , Gu Yang , Bostan Cristina Maria 
Published: October 2023

AbstractThe global population is ageing, life expectancy is gradually increasing, and employment is extended. We used an integrative literature review to study how using technological tools impacts the quality of working life among older workers.The integrative literature review method following PRISMA guidelines was used. The selection of articles in English was made according to the following inclusion criteria: scientific papers, content relevance, and topicality. The literature search covered the bibliographic-catalogue databases Web of Science, PubMed, and Scopus. After selection, a qualitative content analysis was applied to the data. From the initial twelve articles, we gained insight into how using technological tools impacts the quality of working life among older workers through a substantive analysis of the articles. Two content categories were identified: health of older workers and technostress. Regarding the impact on health, studies have focussed on various health outcomes like sleeping quality, mental health, workability arthritis as a chronic condition, physical and quality of life in older community-dwelling low-income, diet, physical activity, stress and tobacco use, stress, and job quality. Studies regarding technostress that we identified show mixed effects of significant and non-significant effects. Digital technologies can potentially improve the quality of working life among older workers but are currently under-researched. Further research is needed to develop effective interventions and evaluate their impact on the quality of life of older workers.
Three-dimensional echocardiography for the evaluation of hypertrophic cardiomyopathy patients: relation to symptoms and exercise capacity
Authors: Cardoso Isabel , Viegas José Miguel , Rosa Sílvia Aguiar , Brás Pedro Garcia , Grazina André , Cruz Inês , Branco Luísa Moura , Galrinho Ana , Fiarresga António , Lopes Luís R , Ferreira Rui Cruz 
Published: October 2023

AbstractPatients with hypertrophic cardiomyopathy may exhibit impaired functional capacity, associated with increased morbidity and mortality. Systolic function is one of the determinants of functional capacity. Early identification of systolic disfunction may identify patients at risk for adverse outcomes. Myocardial deformation parameters, derived from three-dimensional (3D) speckle-tracking echocardiography (3DSTE) are useful tools to assess left ventricular systolic function, and are often abnormal before a decline in ejection fraction is seen. The aim of this study was to evaluate the correlation between myocardial deformation parameters obtained by 3DSTE and functional capacity in patients with hypertrophic cardiomyopathy. Seventy-four hypertrophic cardiomyopathy adult patients were prospectively evaluated. All patients underwent a dedicated 2D and 3D echocardiographic examination and cardiopulmonary exercise testing (CPET). Values of 3D global radial (GRS), longitudinal (3DGLS) and circumferential strain (GCS) were overall reduced in our population: 99% (n = 73) of the patients had reduced GLS, 82% (n = 61) had reduced GRS and all patients had reduced GCS obtain by 3DSTE. Average peak VO2 was 21.01 (6.08) ml/Kg/min; 58% (n = 39) of the patients showed reduced exercise tolerance (predicted peak VO2 < 80%). The average VE/VCO2 slope was 29.0 (5.3) and 16% (n = 11) of the patients had impaired ventilatory efficiency (VE/VCO2 > 34). In multivariable analysis, 3D GLS (β1 = 0.10, 95%CI: 0.03;0.23, p = 0.014), age (β1 = -0.15, 95%CI: -0.23; -0.05, p = 0.002) and female gender (β1 = -5.10, 95%CI: -7.7; -2.6, p < 0.01) were independently associated with peak VO2. No association was found between left ventricle ejection fraction obtain and peak VO2 (r = 0.161, p = 0.5). Impaired myocardial deformation parameters evaluated by 3DSTE were associated with worse functional capacity assessed by peak VO2.
Theorizing ‘The Gap’ Twenty Years Later: Global Development, Design, and Speculative Ethics in Edtech Research
Authors: Henry Jade Vu 
Published: October 2023

AbstractDrawing from Feminist Science and Technology Studies, this paper explores how we might revisit and recuperate past academic research projects, theories, and relationships to design futures that matter for social good. As context, I begin by outlining a decade of research in Information and Communication Technologies for Development (ICTD), which linked the United Nations Millennium Development Goals to innovations in telecommunications and computing. I then introduce the ‘theory of design-reality gaps’ that was proposed by Heeks to study ’wicked problems’ in this domain (2002). I revisit two strands of research that I carried out in relation to the ‘design-reality gap’. The first involved an ethnographic study of a participatory mobile phone based learning intervention for Kenyan health workers. I argued that instead of a singular ‘gap’ explained by geographic, sociocultural, or economic ‘divides’, there was a messy entanglement, constituted by sociomaterial practices that enacted a multiplicity (Mol in The body multiple: Ontology in medical practice, Duke University Press, 2002) of desired futures. In the second strand, I attempted to care for the practices that were abandoned by the learning intervention when one kind of justice was prioritized over others. This explored how the research could be more ‘speculative’ and how this ‘speculative commitment’ could generate new ethical questions and logics for living with technology (Puig de la Bellacasa in Social Studies of Science, 41(1), 85–106, 2011 and Matters of care: Speculative ethics in more than human worlds, University of Minnesota Press, 2017). I argue that approaching the design-reality ‘gap’ as a multiplicity instead of a void can support Tuck’s call for educational interventions that turn away from damage oriented theories of change to ones based on desire – approaching difference not as a lack, but as an ever-growing assemblage (2009). Tinkering with the original Heeks model, I conclude that in the postdigital era, the design-reality gap is now better-understood as a fluid space of multiplicities, and what is arguably most pressing is to study the differences in competing objectives and values, rather than disparities in information and technology.
Perception of embodied digital technologies: robots and telepresence systems
Authors: Mandl Sarah , Brade Jennifer , Bretschneider Maximilian , Asbrock Frank , Meyer Bertolt , Jahn Georg , Klimant Philipp , Strobel Anja 
Published: October 2023

AbstractEmbodied Digital Technologies (EDTs) are increasingly populating private and public spaces. How EDTs are perceived in Hybrid Societies requires prior consideration. However, findings on social perception of EDTs remain inconclusive. We investigated social perception and trustworthiness of robots and telepresence systems (TPS) and aimed at identifying how observers’ personality traits were associated with social perception of EDTs. To this end, we conducted two studies (N1 = 293, N2 = 305). Participants rated five different EDTs in a short video sequence of a space sharing conflict with a human in terms of anthropomorphism, sociability/morality, activity/cooperation, competence, and trustworthiness. The TPS were equipped with a tablet on which a person was visible. We found that the rudimentarily human-like TPS was perceived as more anthropomorphic than the automated guided vehicle, but no differences emerged in terms of other social dimensions. For robots, we found mixed results but overall higher ratings in terms of social dimensions for a human-like robot as opposed to a mechanical one. Trustworthiness was attributed differently to the EDTs only in Study 2, with a preference toward TPS and more human-like robots. In Study 1, we did not find any such differences. Personality traits were associated with attributions of social dimensions in Study 1, however results were not replicable and thus, associations remained ambiguous. With the present studies, we added insights on social perception of robots and provided evidence that social perception of TPS should be taken into consideration before their deployment.