bluuebunny/crossref_metadata_2025 huggingface dataset:
INFLUENCE OF WOOD SPECIES ON QUALITY OF EXTERIOR TRANSPARENT ACRYLIC COATING DURING OUTDOOR EXPOSURE
Authors: DVOŘÁK ONDŘEJ , PÁNEK MILOŠ , SARVAŠOVÁ KVIETKOVÁ MONIKA , PASTIEROVIČ FILIP , ŠTĚRBOVÁ IRENA , KUBISTA KRYŠTOF , SAHULA LUKÁŠ
Published: December 2022

Coating systems are a popular way to protect wood against the effects of weathering when used outdoors. This study evaluates the impact of the basic wood species on the overall durability and color fastness of the selected water-based acrylic exterior paint. Spruce (Picea abies L.) and oak (Quercus roburL.) wood samples were subjected to external weathering according to EN 927-3 (2000) for 6 and 12 months. The evaluation by instrumental methods related to co changes in color, gloss, surface wettability contact angle, at which paint damage was also visually evaluated. The results showed that the durability of the tested coating was higher for spruce. Still, on the other hand, thanks to its lighter shade, a significant color change caused by the base wood's photodegradation was detected, showing that oak wood has a negative effect on the overall life of the tested coating.
CAD modelling of the chip shape in case of ball-end milling
Authors: Varga Bálint , Mikó Balázs
Published: December 2022

The manufacturing of free form surfaces is a common task in the field of mould and die manufacturing. The changing circumstances of the finishing milling with ball-end milling cutter has effect on the shape and the volume of the chip, the load of the cutting tool and the generated surface roughness. The aim of the article is to investigate the changing of the chip thickness and volume in case of ball-end milling by 3D CAD modelling, and to analyse the changing of the circumstances in case of milling of a convex and a concave surfaces.
Pengembangan Model Smart Village Indonesia: Systematic Literature Review
Authors: Hadian Nur , Susanto Tony Dwi
Published: December 2022

Desa pintar saat ini menjadi salah satu alternatif pembangunan desa yang berpotensi mengatasi permasalahan desa. Sebagian besar makalah penelitian tentang desa pintar membahas implementasi TIK di desa sedangkan fungsi utamanya hanya sebagai enabler. Oleh karena itu, penelitian ini bertujuan untuk mengisi gap tersebut dengan mengajukan model konseptual smart village. Model konseptual dibangun hasil dari tinjauan pustaka pada jurnal yang berkualitas. Jurnal yang dipilih yaitu Google Scholar, Emerald Insight, Elsevier dan IEEE explore dengan kata kunci “smart village”,”smart rural” dan “sustainable village”. Berdasarkan hasil pencarian pada jurnal ditemukan 1703 artikel penelitian terkait smart village. Kemudian dari 1703 artikel yang terpilih, 146 artikel diterima berdasarkan hasil membaca judul dan abstrak. Kemudian 146 artikel dianalisis dengan seksama dan menemukan 43 artikel yang berkaitan dengan topik pada penelitian ini ditinjau dari tujuan, Dimensi dan juga indikatornya. Hasil temuan terdapat 8 bidang utama dalam membangun smart village meliputi: Tata kelola pemerintah, Ekonomi desa, Lingkungan desa, Sumber daya energi, Sumber daya manusia, TIK, Petani desa dan Pariwisata. Penemuan ini memperkaya eksplorasi teoritis smart village.
EXPLORING THE EFFECT OF STAKEHOLDER RELATIONSHIP QUALITY ON TECHNOLOGICAL INNOVATION IN OFF-SITE CONSTRUCTION: THE MEDIATING ROLE OF THE KNOWLEDGE SHARING
Authors: Ma Shengbin , Li Zhongfu , Li Long , Yuan Mengqi , Yin Xianfei
Published: December 2022

Off-site construction (OSC) is generally propagated as a sustainable and green construction method in the global construction industry. Over the past few decades, OSC has become famous worldwide for its numerous benefits. Technological innovation can speed up the development of OSC and has attracted a lot of attention from stakeholders who are promoting technological innovation by seeking collaborations. OSC is different from traditional manufacturing, and little effort has been spent on how the stakeholder relationship quality affects technological innovation. This study therefore makes efforts to explore the mechanism of how stakeholder relationship quality influences the OSC technological innovation and to explain the stakeholder relationship quality in terms of communication, trust, and commitment. This paper constructs a multidimensional hypothesis model consisting of five concepts: communication, trust, commitment, knowledge sharing, and technological innovation. A valid sample of 125 was collected through a questionnaire survey in mainland China. The sample data were dealt with and analyzed using partial least squares structural equation modeling (PLSSEM) to validate the proposed hypothesis model. The results reveal that trust and knowledge sharing affect technological innovation directly. Communication and commitment are not identified to have statistically significant influences on technological innovation in OSC. Communication, trust, and commitment positively contribute to knowledge sharing. Last, knowledge sharing completely and partially mediates between relationship quality and technological innovation. This study explores the impact of stakeholder relationship quality on OSC technological innovation and verifies the mediating role of knowledge sharing. These findings provide valuable theoretical guidance for OSC technological innovation and practical insights for stakeholders to promote technological innovation by enhancing relationship quality and knowledge sharing.
Three-dimensional Simulations of Magnetospheric Accretion in a T Tauri Star: Accretion and Wind Structures Just Around the Star
Authors: Takasao Shinsuke , Tomida Kengo , Iwasaki Kazunari , Suzuki Takeru K.
Published: December 2022

We perform three-dimensional (3D) magnetohydrodynamic simulations of magnetospheric accretion in a T Tauri star to study the accretion and wind structures in the close vicinity of the star. The gas accreting onto the star consists of the gas from the magnetospheric boundary and the failed disk winds. The accreting gas is commonly found as a multi-column accretion, which is consistent with observations. A significant fraction of the angular momentum of the accreting flows is removed by the magnetic fields of conical disk winds and turbulent failed winds inside and near the magnetosphere. As a result, the accretion torque is significantly reduced compared to the simple estimation based on the mass accretion rate. The stellar spin affects the time variability of the conical disk wind by changing the stability condition of the magnetospheric boundary. However, the time-averaged magnetospheric radius only weakly depends on the stellar spin, which is unlike the prediction of classical theories that the stellar spin controls the magnetospheric radius through the magnetic torque. The ratio of the toroidal to the poloidal field strengths at the magnetospheric boundary, which is a key parameter for the magnetic torque, is also insensitive to the spin; it is rather determined by the disk dynamics. Considering newly found 3D effects, we obtain a scaling relation of the magnetospheric radius very similar to the Ghosh & Lamb relation from the steady angular momentum transport equation.
The Implications of Ultra-Faint Dwarf Galaxy Reticulum II on the Common Envelope Jets Supernova r-process Scenario
Authors: Grichener Aldana , Soker Noam
Published: December 2022

We show that the common envelope jets supernova (CEJSN) r-process scenario is compatible with very recent observationally determined properties of the stars in the ultra faint dwarf (UFD) galaxy Reticulum II that are strongly enhanced in r-process elements. These new results, like efficient mixing of the r-process elements in the Reticulum II galaxy, have some implications on the CEJSN r-process scenario for UFD galaxies. In particular, the energetic jets efficiently mix with the common envelope ejecta and then with the entire interstellar medium of Reticulum II. The compatibility that we find between the scenario and new observations suggests that the CEJSN r-process scenario supplies a non-negligible fraction of the r-process elements.
Comparison of the Impact of Conventional Hemodialysis and Hemodiafiltration Techniques on the Evolution of Certain Mineral Bone Parameters in Chronic Hemodialysis Patients
Authors: Slimani Lamia , Jhilal Fayssal , Ahid Samir , Maoujoud Amr
Published: December 2022

Objective: The aim of this study was to compare the impact of conventional hemodialysis (HDC) and hemodiafiltration (HDF) techniques on the evolution of the parameters of phosphocalcic metabolism in chronic hemodialysis patients.
Methods: This is a retrospective, descriptive and analytical study carried out in the hemodialysis center of Agadir medico-surgical center during 2015. The total number of patients is 34, 18 were treated by HDC ie 52.9% of cases. Also, 16 patients underwent HDF, ie 47.1% of cases. With each of the 2 techniques, the following parameters were measured: To assess the PTH level, we performed 3 measurements. To evaluate calcium, phosphorus, albumine and CRP levels, 7 measurements were taken. The data were entered via Excel and analyzed through Jamovi 1.6.9 software. We used the Wilcoxon or the Mann-Whitney test for the means. The factors associated with the variation of the studied parameters were analyzed in univariate and multivariate analyzes using the binary logistic regression model.
Results: Our population was made up of 41.2% women and 58.8% men. Their average age was 55 ± 11 years. Also, 82.3% of cases had a normal build, 11.7% were overweight and 6% were moderately obese. The distribution of patients according to the causal nephropathy of chronic renal insufficiency presented a predominance of diabetic nephropathy (32.3%) followed by vascular pathology in 10 patients (29.4%). There was no statistically significant difference in the evolution of the levels of the parameters studied (PTH, calcium, phosphorus, albumin and CRP levels) over time. Univariate analysis showed that only the initial nephropathy factors: other nephropathy-vascular nephropathy (p= 0.028; OR=0.060; IC95% [0.004-0.734]) and diabetic nephropathy-vascular nephropathy (p= 0.011; OR=0.050; IC95% [0.004-0.508]) were associated with the variation of the studied parameters. The same factors also emerge in the multivariate analysis: other nephropathy-vascular nephropathy (p= 0.034; OR=0.044; IC95% [0.002-0.791]) and diabetic nephropathy-vascular nephropathy (p= 0.009; OR=0.032; IC95% [0.002-0.429]).
 
Conclusion: According to our results, it seems that there are no significant differences in the evolution of some mineral bone parameters studied with the HDC and HDF techniques.
Video Games for Rehabilitation: A New Approach to Influence the Quality of Life in Practically Healthy Elderly Persons
Authors: Lyubenova Daniela , Dimitrova Antoaneta , Grigorova-Petrova Kristin , Mitova Michaela
Published: December 2022

BACKGROUND: Video games are new and potentially helpful technology that can be implemented on any computing device. The specific features and role of physical activity in the prevention and treatment of the elderly are well known but its impact on their quality of life is understudied. Video games are suitable for use on their own or in combination with other physiotherapy approaches in healthy people or patients with central and peripheral nervous system disorders.
AIM: To assess the impact of 3D camera rehabilitation video games on quality of life in practically healthy elderly.
MATERIALS AND METHODS: The study was conducted with 50 practically healthy adults and older adults (24 women were included in the experimental group, with an average age of 76.75 ± 6.89, and 26 women in the control group, with an average age of 73.69 ± 6.89). The effect on their quality of life after the application of video games for rehabilitation with a 3D camera was evaluated and compared with a control group that received conventional, group physiotherapy. For all participants, the video games or physiotherapy were performed 3 times a week for 7 weeks. A modified SF-36 quality of life scale was used to assess the results.
RESULTS: The present study shows that the applied video games rehabilitation program positively affected the quality of life of the individuals in the experimental group, most notably regarding limitations in emotional health, strength, pain, and general health (p<0.01). Significant intergroup differences were found regarding pain (p<0.02) and general health (p<0.01).
CONCLUSION: The observed improvement shows the advantages of rehabilitation video games based on modern neurorehabilitation principles.
Association of IDH1 Mutations with Epilepsies in Patients with Diffuse Adult Glioma according to the WHO 2021 Classification
Authors: Džurlić Almir , Omerhodžić Ibrahim , Rovčanin Bekir , Alagić Faruk , Ahmetspahić Adi , Zahirović Salko , Mehmedika-Suljic Enra
Published: December 2022

BACKGROUND: Tumors of the central nervous system comprise a wide range of over 100 histological distinct subtypes with different descriptive epidemiology, clinical features, treatments, and outcomes. The presence of isocitrate dehydrogenase gene mutation 1 (IDH1) has become one of the most critical biomarkers for molecular classification and prognosis in adult diffuse gliomas. About 65–90% of patients with adult diffuse gliomas have seizures as their initial symptoms.

AIM: The objective of this study was to determine the association between IDH1 mutations in adult diffuse gliomas with an incidence of symptomatic epilepsy.

METHODS: The study was conducted as an observational, cross-sectional, and prospective clinically controlled study at the Clinic of Neurosurgery of the Clinical Center of the University of Sarajevo. The research included a total of 100 patients treated at the Clinic of Neurosurgery, with pathohistological confirmation of glioma Grades II–IV who were stratified by groups according to tumor grade. Data were collected on tumor localization and grade, the presence of IDH mutations, and the presence of epileptic seizures as the first symptom of the glioma.

RESULTS: Out of a total of 100 patients, 39 had IDH 1 mutations, while 61 patients were without them: Of these, diffuse astrocytoma Grade II 30 cases (30%), Grade III 5 (5%), and Grade IV 7 (7%), and the number of patients with glioblastoma was 58 (58%). In the group of patients with IDH 1 mutations, epileptic seizures were present in 87.2% compared to the group of patients without IDH 1 mutations (wild type) in which epileptic seizures were present in 16.4% of cases. Statistical analysis showed that the positive mutated IDH-type carries an almost 70% increase in the likelihood of epileptic seizures (χ2 = 8.378; p = 0.0001). If we separate the group of diffuse astrocytomas in the IDH 1-positive subgroup, 34 patients (85.81%) had epileptic seizures, while in the IDH 1-negative subgroup, there were no patients with epileptic seizures, which carries a statistically significant difference in frequency in favor of IDH 1-positive tumors (p ≤ 0.001).

CONCLUSION: There is a clear connection between the presence of IDH1 mutations and the occurrence of epileptic seizures in the clinical picture of patients with diffuse adult glioma.
Selenium Levels based on Various Menopause Complaints Assessed by Menopause-specific Quality of Life Questionnaire before and after Selenium Intervention
Authors: Hisworo Muhammad Ramadhan , Siregar Muhammad Fidel Ganis , Pasaribu Hotma Partogi , Marpaung Johny , Rusda Muhammad , Dina Sarah , Ardiansyah Edy
Published: December 2022

BACKGROUND: Menopausal symptoms can greatly affect a woman’s personal, social, and work life. Selenium functions as a cofactor for glutathione peroxidase and helps minimize oxidative damage through cellular metabolism in postmenopausal women when estradiol production decreases, antioxidant protection is lost and therefore oxidative stress is increased.

AIM: The aim of the study was to evaluated effect of selenium supplementation on selenium levels based on menopausal complaints assessed by menopause-specific quality of life questionnaire (MENQOL).

MATERIALS AND METHODS: This research is an analytical study with quasi-experimental pre-test and post-test one group only design. The research was conducted on all postmenopausal women in Medan who were aged >51-years-old and met inclusion and exclusion criteria. The research subjects underwent blood tests to assess serum selenium levels. If data were normally distributed, dependent T test will be used, while if data were not normally distributed, Wilcoxon test will be used. The analysis results were stated to be significant with p < 0.05.

RESULTS: Mean selenium serum levels before selenium administration were 93.20 ± 17.253 μg/L which increased to 132.12 ± 19.866 μg/L after selenium administration. Comparison test results of selenium levels before and after administration found p = 0.000 (p < 0.05), which means there was a significant difference of selenium serum levels before and after selenium administration. Besides that, there were no significant scores difference in aspects of vasomotor disorders (p = 1.000 [p > 0.05]), psychosocial disorders (p = 0.090 [p > 0.05]), physical disorders (p = 0.323 [p > 0.05]), and sexual disorders (p = 0.959 [p > 0.05]) between before and after selenium administration.

CONCLUSION: Total MENQOL scores and complaints based on aspects of vasomotor, psychosocial, physical, and sexual disturbances did not show statistically significant changes after administration selenium tablets 100 mcg/day for 7 days.
Sleeve Gastrectomy and Liver Omentoplasty Can Increased Il-10 and TGF-Β Expression on Liver Fibrosis in Obesity
Authors: Purnamasari Primadita , Nugroho K. Heri , Prasetyo Sigit Adi , Prajoko Yan Wisnu , Haningtyas Fatmala , Mukti Sindu Nugroho , Saputro Addy , Rozy Abdul Mughni
Published: December 2022

BACKGROUND: Obesity is a risk factor happening liver fibrosis because it makes presence of oxidative stress and inflammation that has role on pathogenesis and hepatic fibrosis progression. Until this moment, liver disease management still focused for treat disease primary, the most rational management of liver fibrosis is liver transplant, however number success transplant liver lower from on transplant kidneys, only 70-80% of recipients survived for at least 1 year, so that sleeve gastrectomy and liver omentoplasty procedure could become a choice for treating liver fibrosis on obese patients.
AIM: This study aims to investigate correlation between sleeve gastrectomy and omentoplasty on TGF-β and IL-10 in obese rats with liver fibrosis
METHOD: This study used a true experiment in-vivo design on male Wistar rat (Spargue Dawley) 4-6 weeks of age. Samples were divided into groups that includes normal control group, positive control group, group with sleeve gastrectomy, and group with both liver liver omentoplasty and sleeve gastrectomy. The level of TGF-β and IL-10 will be measured for descriptive and hypothesis analysis.
RESULT: There is an increased level of IL-10 and TGF-β. Statistical analysis result shows a significant increase of IL-10 and TGF-β expression between normal group and control group with group given treatment sleeve gastrectomy and liver liver omentoplasty (p<0.05).
CONCLUSION: liver Liver omentoplasty and sleeve gastrectomy procedure on obese mice with liver fibrosis could increases IL-10 expression but could not reduce (TGF-β expression).
Papillary Carcinoma in Thyroglossal Duct Cyst and Thyroid Gland with Hashimoto
Authors: Themeli Yllka , Sinaj Enkeleda , Hysa Emira , Nakuci Daniela , Alimehmeti Mehdi , Sakellariou George
Published: December 2022

The ectopic thyroid gland is a rare condition. In most cases, ectopic thyroid tissue is the only functioning thyroid tissue, but it may rarely be associated with a normal thyroid gland. Ectopic thyroid carcinoma within a thyroglossal duct cyst is a very rare entity, with controversial individual approaches. This encouraged us to present the case of a 31-year- old woman, with papillary thyroid carcinoma in the thyroid gland and in the thyroid ectopic tissue within the thyroglossal duct. After suspicion of thyroid malignancy in the ultrasonography of the neck, FNA-biopsy was performed on the thyroid nodule and the thyroglossal duct cyst. Since the pathological exam revealed a papillary carcinoma in the eutopic and ectopic thyroid tissues, the Sistrunk procedure and total thyroidectomy were done, followed by radioiodine ablation.
Experience of Vacuum-Assisted Closure in the Surgical Treatment of Malignant Skin Tumors after Skin Grafting
Authors: Korovin Sergii , Ostafiichuk Vasyl , Diedkov Serhii , Kukushkina Mariia
Published: December 2022

BACKGROUND: Skin grafts may be used to reconstruct large skin defects after the excision of malignant skin tumors. Vacuum-assisted closure (VAC) leads closer approximation of the free flap.

AIM: The objective of this study was to estimate the engraftment of grafts using VAC and explore factors influencing this process.

MATERIALS AND METHODS: This study included 31 patients with skin cancers after a wide tumor excision. The wound defects were closed using a split-thickness skin graft and the VAC dressing.

RESULTS: Complete and partial engraftment was observed in 17 (54.8 %) and 14 (45.2%) cases, respectively. The mean area of the wound defects among patients with complete engraftment was 24.3 ± 20.6 cm2, while that of the group with partial engraftments was 56.5 ± 58.8 cm2 (p = 0.0017). In the complete engraftment group, the average number of days with the VAC dressing was 7.2 ± 0.44 days, versus 6.9 ± 0.27 days in the partial engraftment group (p = 0.032).

CONCLUSION: VAC dressing after skin grafting in the surgical management of malignant skin tumors provided good results. The area of the wound defect and the average number of days with VAC dressing is significant factors influencing the outcomes of skin grafting.
Management of Nasal Bone Osteoma with Columella Approach: A Case Report
Authors: Hafiz Al , Wulandari Yunita , Asri Aswiyanti
Published: December 2022

BACKGROUND: Osteoma is a benign bone tumor with an incidence rate of about 1% of primary bone tumors. Osteoma of the nasal bone is a rare case and the rate of recurrence reported in the literature after surgery is about 10%. Osteoma most often occurs in young people in the second and third decades, mostly in men. Osteoma can be treated surgically with an external approach or with an endoscopic approach. The surgical technique with an incision technique open rhinoplasty with transcolumella incision extensions is effective, because it can minimize surgical scars post-operative and correct the esthetic problems.

CASE REPORT: Reported a case of a 11-year-old boy with chief complaint a lump on the right side of the nose that enlarged slowly in the last 2 months and diagnosed with suspected as nasal bone osteoma based on physical examination and CT Scan. Patient was performed management with tumor resection with columella approach technique and give the good result because can minimizes surgical scars postoperative. On the results of histopathological examination after operation were nasal bone osteoma.

CONCLUSION: Osteoma of the nasal bone is a very rare benign bone tumor. One of the surgical techniques that can be performed in cases of nasal bone osteoma is tumor resection with columella approach. Although the case of nasal bone osteoma has a very rare recurrence; in this case, the recurrence occurred 4 months after tumor resection.
Comprehensive analysis of proliferation protection of uranium due to the presence of 232U and its decay products
Authors: Kulikov Gennady G. , Shmelev Anatoly N. , Apse Vladimir A. , Kulikov Evgeny G.
Published: December 2022

For a comprehensive assessment of the protection of uranium against proliferation due to the presence of uranium-232 in it, the authors of the article propose and substantiate an integral protection criterion for this material. The criterion is based on the physical barriers against the proliferation of uranium created by uranium-232, namely: (1) the radiolysis of uranium hexafluoride, which hinders attempts to re-enrich uranium and, as a result, a significant critical mass; (2) hard γ-radiation, which leads to incapacity and death of those who try to handle this material without radiation protection; (3) increased heat release, which disables the components of a nuclear explosive device; and (4) a significant source of neutrons that causes predetonation and thereby reduces the energy yield of a nuclear explosive device. These barriers appear at various stages of uranium handling not only in the indicated order but also act simultaneously, mutually reinforcing one another.
Thermohydraulic studies of alkali liquid metal coolants for justification of nuclear power facilities
Authors: Kuzina Yulia A. , Sorokin Aleksandr P. , Delnov Valery N. , Denisova Nataliya A. , Sorokin Georgy A.
Published: December 2022

The paper presents and discusses the results of experimental and computational studies obtained by the authors on hydrodynamics and heat exchange in fuel assemblies of the alkali liquid metal cooled fast reactor cores, and experimental data on hydrodynamics of flow paths in the heat exchanger and reactor header systems. Investigation results are presented on in-tank coolant circulation obtained using a well-developed theory of approximation simulation of the nonisothermic coolant velocity and temperature fields in the fast neutron reactor primary circuit and demonstrating stable stratification and thermal fluctuations in the coolant. Results are presented from experimental and computational simulation of the alkali liquid metal boiling process based on fuel assembly models during an emergency situation caused by an operational occurrence involving simultaneous loss of power for all reactor coolant pumps and the reactor scram rod failure. Objectives are formulated for further studies, achieving which is essential for the evolution of the liquid metal technology, as dictated by the need for the improved safety, environmental friendliness, reliability and longer service life of nuclear power facilities currently in operation and in the process of development.
Ouvrir des espaces mémoriels, relier des communautés de mémoire. Le rapport à l’héritage colonial, un défi pour le Goethe-Institut
Authors: Lentz Carola , Crastes Roland
Published: December 2022

Les expériences et les perspectives des colonisateurs et des colonisés sont disparates. En règle générale, la politique mémorielle sert d’abord à créer et à stabiliser des identités de groupe, et les communautés mémorielles ont tendance à s’isoler. Pour travailler à un avenir commun et à un monde plus juste, il est pourtant important d’ouvrir les débats. Le présent article présente quelques projets du Goethe-Institut sur l’héritage colonial qui, grâce à des formats artistiques et discursifs, ont permis des rencontres entre différents scientifiques africains et européens et des acteurs de la politique mémorielle (politiciens, artistes ou militants de la société civile). Un tel renforcement des liens entre les différentes communautés de mémoire, en Afrique même, en Allemagne et en Europe, ainsi qu’entre les continents, est un pas important vers une histoire « partagée ».
Des ambitions déçues. Les débats autour du Humboldt Forum de Berlin et ce qu’il en est advenu
Authors: Kohl Karl-Heinz , Pellissier Béatrice
Published: December 2022

La reconstruction du château des rois de Prusse au centre de Berlin est considérée comme le projet de politique culturelle le plus ambitieux, mais aussi le plus controversé d’Allemagne depuis la réunification. Afin d’éviter le soupçon d’une politique restauratrice et de démontrer en même temps l’ouverture au monde de l’Allemagne, le Bundestag allemand avait décidé en 2002, en même temps que la reconstruction, d’utiliser le bâtiment comme lieu d’exposition pour les collections du musée d’ethnologie de Berlin et de lui donner le nom de l’explorateur d’Amérique du Sud Alexander von Humboldt. C’est au cours de l’histoire de la planification et de la construction du Humboldt-Forum, qui a duré plus de vingt ans, que sont apparues les premières demandes de restitution des œuvres d’art et des artefacts des musées ethnologiques, considérés comme des biens coloniaux volés. D’abord portées par un petit groupe d’activistes politiques, ces demandes ont déclenché un vaste débat public sur la période coloniale allemande, largement oubliée, et sur les crimes commis par les troupes coloniales dans ce qui est aujourd’hui la Tanzanie et la Namibie. Ce débat a permis à des hommes politiques de premier plan de s’approprier les demandes de restitution comme un acte de réparation. L’article aborde les nombreux malentendus à l’origine du débat et discute des conséquences des récentes décisions politiques pour le Humboldt Forum.
L’Allemagne et la question du rapatriement des biens culturels africains : l’ambivalence d’une mémoire coloniale
Authors: Effiboley Emery Patrick
Published: December 2022

Depuis que le Bénin a formulé en 2016 en direction de la France sa demande de restitution des biens culturels emportés par le corps expéditionnaire d’Amédée Dodds en 1892, la question du rapatriement des biens culturels africains et des anciennes colonies en général est devenue centrale dans le débat public international. Dans ce contexte, l’Allemagne occupe une place particulière, du fait de son histoire coloniale mais aussi de sa politique mémorielle. La présente contribution envisage, dans un premier temps, d’analyser la place de l’Allemagne dans l’histoire coloniale européenne. Ensuite, il s’agira de donner un aperçu de la politique allemande du rapatriement de biens culturels africains dont le partenariat autour du Benin Dialogue est le point central. L’article montrera enfin les implications de cette politique en termes de perspectives pour la mémoire collective allemande et au-delà.
Un aller-retour du hard law au soft law ? La restitution des œuvres d’art spoliées par le régime national-socialiste depuis 1945
Authors: Lahusen Benjamin
Published: December 2022

La restitution des œuvres d’art volées par les nazis en Allemagne peut être divisée en deux phases. La première a duré de 1947 au milieu des années 1960 et s’est caractérisée par le plus grand engagement juridique. Parmi les « biens identifiables » qui ont été restitués à cette époque sous la pression des Alliés figuraient également des biens culturels, même si leur « identifiabilité » s’est toujours heurtée à des difficultés de preuve dans la pratique. La deuxième phase a commencé en 1998 avec les principes de Washington, auxquels l’Allemagne a adhéré de manière plutôt hésitante. Cette phase se caractérise par son manque d’engagement. Les critères de restitution des œuvres d’art volées sont certes les mêmes que ceux de la première phase, mais ils n’ont plus valeur de loi, seulement d’engagement moral. L’article examine les problèmes qui résultent de cette névrose normative et s’il est possible de les surmonter à l’avenir en revenant à une base contraignante pour la restitution de l’art spolié.
Syndicalisme rap
Authors: Charnas Dan , Loncan Hervé
Published: December 2022

Le texte qui suit est extrait d’un livre palpitant de Dan Charnas, longtemps journaliste pour le magazine de référence The Source et l’un des premiers animateurs d’une émission de radio consacrée au rap à Los Angeles. The Big Payback entrelace les destins d’exception, à la manière d’autres best-sellers musicaux américains comme The Wrecking Crew de Kent Hartman (sur les rats de studios de Los Angeles devenus célèbres à leur tour). Mais il fait aussi la place à des personnages sinon plus discrets, en tout cas moins connus. C’est le cas de Wendy Day, qui a joué un rôle décisif dans les carrières de certaines des plus grandes stars du rap : Master P et le label No Limit, Eminem et l’équipe de Cash Money. Sa carrière est riche en rebondissements et justifie à elle seule la traduction d’un extrait du livre, mais ce récit réserve d’autres surprises : à l’heure où les conversations abondent sur la signification de l’indépendance et du rapport aux majors dans le rap, le rôle, la méthode et les ambitions de Wendy Day pour la défense des intérêts des rappeurs à travers la Rap Coalition constituent un précédent (et un modèle ?) fascinant.
Investir le « dehors » : l’expérience de l’association Terrain d’entente
Authors: Gunther Josiane
Published: December 2022

Depuis une dizaine d’années, l’association Terrain d’entente développe des activités à destination des enfants, des jeunes et des adultes, sur un terrain de jeu situé au cœur du quartier populaire de Tarentaize à Saint-Étienne (Loire). Ces activités s’inscrivent dans une démarche de pédagogie sociale qui implique une pratique et une posture d’accompagnement spécifiques. En cherchant à prendre place par une présence régulière dans l’espace public à travers un accueil libre, inconditionnel et gratuit, l’association ancre également son action dans la perspective de développer une « éducation globale » à vocation émancipatrice.
Le tiers-lieu Le Parallèle : un espace modulable pour aller au-devant des jeunes
Authors: Eugène-Maestracci Mona
Published: December 2022

En restituant l’origine, le fonctionnement et l’expérience du tiers-lieu Le Parallèle à Redon (Ille-et-Vilaine, Bretagne), Mona Eugène-Maestracci, coordinatrice du secteur jeunes adultes de l’association La Fédé, rappelle l’importance des modalités d’accueil et d’accompagnement comme ciment d’un projet associatif ancré dans un lieu. Elle évoque notamment la dynamique d’émergence du lieu comme projet communautaire entre jeunes mais également les principes d’ouverture et de gouvernance qui président à son animation.
Why Do Investors Buy Shares of Actively Managed Equity Mutual Funds? Considering the Correct Reference Portfolio from an Uninformed Investor’s Perspective
Authors: Burlacu Radu , Fontaine Patrice , Jimenez-Garces Sonia
Published: December 2022

Nous utilisons le modèle de Grossman & Stiglitz (1980) pour construire un portefeuille de référence pour les investisseurs non informés et nous utilisons ce portefeuille pour évaluer la performance des fonds communs de placement en actions, gérés activement. Nous proposons une méthodologie empirique pour construire ce portefeuille de référence en utilisant des informations sur les prix des actions et l’offre en titres. Nous montrons alors que les fonds communs de placement fournissent, en moyenne, un alpha non significatif de 23 points de base par an lorsque l’on considère ce portefeuille comme référence. Avec l’indice du marché comme proxy du portefeuille de marché, le alpha moyen des fonds est négatif et hautement significatif (-128 points de base par an). Les résultats sont identiques lorsque l’on considère différents sous-ensembles de fonds en fonction de leurs caractéristiques et de leur degré de sélectivité. En accord avec les modèles d’équilibre à anticipations rationnelles considérant des investisseurs différemment informés et des prix d’équilibre partiellement révélateurs, nos résultats indiquent que la gestion active des fonds mutuels est performante du point des investisseurs non informés. Classification JEL G11, G12, G14
Desseins du noël dans la première moitié du XVI e siècle
Authors: Savoy Nicolas
Published: December 2022

L’article propose un panorama des intentions qui ont pu inspirer la composition des recueils de noëls : les titres, les préfaces, les dédicaces ou les noëls eux-mêmes témoignent souvent de visées moralisantes. Le genre est marqué en outre par l’affrontement du catholicisme et de protestantisme, et plus largement par l’actualité. Il mise enfin sur les plaisirs du chant et de la danse : on verra que le noël recèle ainsi de précieuses informations sur les possibilités d’interprétation ou de mise en scène.
Chanter Horace en français : la fortune poétique et musicale de l’ode Donec gratus eram tibi
Authors: Vignes Jean
Published: December 2022

L’imitation de l’ode originale d’Horace « Donec gratus eram tibi » ( Carmina , III, 9) a inspiré aux poètes et musiciens de la Renaissance plusieurs chansons, témoignant d’une vive émulation autour de ce texte. L’article souligne les préoccupations musicales qui président à ces traductions ou imitations. L’une d’elle est devenue une sorte de « tube », dont sont comparées différentes versions. La visite de ce corpus permet un panorama des formes poétiques françaises privilégiées en vue de la mise en musique.
Fixed point approach to solve nonlinear fractional differential equations in orthogonal $ \mathcal{F} $-metric spaces
Authors: Al-Mazrooei Abdullah Eqal , Ahmad Jamshaid
Published: December 2022

In this paper, we introduce the notion of a generalized ($ \alpha $, $ \Theta _{\mathcal{F}}) $-contraction in the context of an orthogonal $ \mathcal{F} $-complete metric space and obtain some new fixed point results for this newly introduced contraction. A nontrivial example is also provided to satisfy the validity of the established results. As consequences of our obtained results, we derive the leading results in [Fixed Point Theory Appl., 2015,185, 2015] and [Symmetry, 2020, 12,832]. As an application, we investigate the existence and uniqueness of the solution for a nonlinear fractional differential equation.
Capital flows in integrated capital markets: MILA case
Authors: Baquero Juan David Vega , Santolino Miguel
Published: December 2022

The FeldsteinHorioka1980 study on investment flows through the correlation of domestic saving and investment concluded that liberalization of capital markets does not necessarily lead to a movement of capital looking for a better allocation of resources, as classical theory would suggest. Ever since, literature has been prolific regarding this "puzzle", with arguments for and against this conclusion. This paper aims to analyze the issue from a different perspective. In recent years, the stock markets of Chile, Colombia, Mexico and Peru joined the Latin American Integrated Market through an agreement that allows investors in any of the participating markets to invest in the others as if they were investing locally. Compositional methods are used to assess the hypothesis of a potential flow of capital between markets generated by the creation of the joint market. First, cross-sectional methods for compositional data were used to test the hypothesis. As a result, it was not possible to find a change in the composition of the investment in the four markets produced by the creation of the joint market. Secondly, vector autoregressive models were estimated and tested for structural breaks in the parameters. However, these models were not found to be informative. In conclusion, it was not possible to reject the Felstein-Horioka hypothesis, supporting the idea that liberalization is not enough to generate capital flows between markets.
Not Too Risky. How to Take a Reasonable Stance on Human Enhancement
Authors: Vilaça Murilo Mariano , Lavazza Andrea
Published: December 2022

Following a trend in bioethical/applied ethics approaches, one of the frustrating features of studies on technological human enhancement is their dichotomous tendency. Often, benefits and risks of technological human enhancement are stated in theoretically and empirically vague, polarized, unweighted ways. This has blocked the debate in the problematic ‘pros vs. cons’ stage, leading to the adoption of extremist positions. In this paper, we will address one side of the problem: the focus on risks and the imprecise approach to them. What motivates our approach is the identification of the weaknesses of the anti-enhancement criticism, which stem from its use of the concept of risk, as well as the heuristic of fear and the precautionary principle. Thus, ‘taking a step back’ to move forward in the debate, our purpose is to establish some theoretical foundations concerning the concept of risk, recognizing, at the same time, its complexity and importance for the debate. Besides the concept of risk, we emphasize the concept of existential risk, and we make some considerations about epistemic challenges. Finally, we highlight central features of more promising approaches to move the debate forward.
Keywords: Human enhancement technologies, risk, uncertainty, conceptual problem, epistemic challenges.
Strengthening the Component of Obtaining Feedback from Patients and Using the Same to Facilitate the Teaching of Medical Students
Authors: Shrivastava Saurabh RamBihariLal , Shrivastava Prateek Saurabh
Published: December 2022

The process of assessment and delivering feedback to the medical students has been acknowledged as the key aspects to ensure comprehensive professional development. This calls for the need to utilize every learning opportunity and provide students with some form of constructive feedback for aiding them to attain the learning competencies. The exposure or interaction with patients plays an important role in helping the medical students establish linkage between theoretical knowledge and clinical practice and understands the practical relevance of the learned topics. Feedback received from patients can prove to be a significant add-on and help students to ascertain what has been done well and which area needs improvement. To conclude, patients are an important stakeholder and, apart from contributing to the advancement of medicine, can also help medical students learn various skills through both formal and informal ways. The need of the hour is to actively involve patients in the process of clinical teaching and make students learn medicine from the beneficiary perspective.
Assessment of the Relationship between Expression of p63 with Different Clinical Types of Oral Lichen Planus
Authors: Abdulhussain Mustafa Mohammed , Shareef Karrar N. , Zubidi Mohammed Al
Published: December 2022

Introduction:

We aimed to assess the expression of p63 among different clinical types of oral lichen planus.

Methods:

The current study includes 44 oral lichen planus cases from the oral pathology laboratory, oral diagnostic department, Baghdad University. P63-PRM114P used as primary monoclonal antibodies. The intensity of immunohistochemistry activity was calculated utilizing the following criteria: weak intensity: one positive cell, moderate intensity: two positive cells, and strong intensity: three or more positive cells (magnification 20×).

Results:

The mean age of participants was 52.82 ± 12. No significant relationship found between gender and expression of p63 (P = 0.65). The p63 expressed in all clinical types of oral lichen planus (OLP). Yet, expression of p63 was not significantly related to the clinical type of OLP (P = 0.98).

Conclusion:

We could not found relationship between expression of p63 among different clinical types of oral lichen planus. With respect to the limited sample size of this study, some larger scale studies among different populations are need to reach to a definitive conclusion regarding relationship between expression of p63 among different clinical types of oral lichen planus.
Effects of Chitosan, NaOCl, and EDTA Irrigation Solutions on the Cyclic Fatigue Resistance of Three Nickel–Titanium Endodontic Rotary Files
Authors: Salloom Wisam S. , Shukri Biland M. S.
Published: December 2022

Introduction

The goal of this study was to compare the impact of NaOCl, EDTA, and chitosan on the cyclic fatigue of 2Shape, HyFlex EDM, and RACE EVO.

Methods

A total of 120 new 2Shape (n = 40), HyFlex EDM (n = 40), and RACE EVO (n = 40) files were subdivided randomly into four groups (n = 10): Group (A) with no immersion, Group (B) with immersion in 5.25% NaOCl for 5 min, Group (C) with immersion in 17% EDTA for 5 min, and Group (D) with immersion in 0.2% chitosan for 5 min. The files were rotated in an artificial canal with a 5 mm radius and a 60° curvature at body temperature until they fractured, and the number of cycles to fracture was measured. ANOVA test and Tukey post-hoc test were used to analyze the data.

Results

Immersion of the files in NaOCl, EDTA, or chitosan solutions had no significant effect on the number of cycles to fracture (P > 0.05).

Conclusion

The irrigation solutions did not have any influence on the cyclic fatigue of the tested files.
Assessing the Workplace Cyberloafing Behavior among Pharmacists in Pakistan
Authors: Kim Yun Jin , Aslam Muhammad Shahzad , Deng Ruolan , Leghari Qurratul Ain , Lkhagvasuren Dulmaa , Nadir Muhammad Nehal , Qian Linchao , Shahnaz Saira
Published: December 2022

Objective:

After the commencement of the Internet and the popularity of various electronic devices, cyberloafing has become prevalent in the workplace regardless of professional type, demographic characteristics, and country. Individuals use the Internet for work-irrelevant purposes during work hours, which is believed to have a controversial role in work productivity. However, rare studies have paid attention to the prevalence of cyberloafing behavior among Pakistan pharmacists. Considering pharmacists' essential role in the health sector, this study investigates the prevalence of cyberloafing activities among workplace pharmacists in Pakistan.

Methods:

This cross-sectional survey was conducted among 242 registered pharmacists in Pakistan between October 2021 and February 2022 with a structured self-administered online questionnaire. The final sample consisted of 200 valid responses after screening. Data were processed through exploratory factor analysis and confirmatory factor analyses. Pearson Chi-square analysis was also used to test the correlation between factors.

Findings:

Descriptive analysis shows that pharmacists spend more time on sharing-related activities and least on gambling/gaming-related activities in the workplace. All the items' Cronbach's alpha values range from 0.923 to 0.927. The analysis indicates that (60%) pharmacists have intermediate Internet skills. The results also suggest that age, Internet usage, and work area have a strong relationship with cyberloafing behaviors which also, in turn, are linked with their perceived Internet skills. This study has important practical implications for pharmacy management in Pakistan.

Conclusion:

Cyberloafing behavior is prevalent among Pakistan pharmacists. Our findings could inspire how managers and all other relevant stakeholders could improve the pharmacy system in Pakistan.
High-dose Intravenous Vitamin C in Early Stages of Severe Acute Respiratory Syndrome Coronavirus 2 Infection
Authors: Labbani-Motlagh Zohre , Amini Shahideh , Aliannejad Rasoul , Sadeghi Anahita , Shafiee Gita , Heshmat Ramin , Jafary Mohamadreza , Talaschian Mona , Akhtari Maryam , Jamshidi Ahmadreza , Mahmoudi Mahdi , Sadeghi Kourosh
Published: December 2022

Objective:

Based on previous studies in the sepsis population, Vitamin C could prevent injuries when administered in high doses and before the damage is established. This study aimed to evaluate the protective potentials of high-dose Vitamin C in the progression of coronavirus disease 2019 (COVID-19).

Methods:

A double-blind, placebo-controlled clinical trial was conducted. Patients with moderate-to-severe disease severity based on the World Health Organization definition were enrolled and received 12 g/d Vitamin C (high-dose intravenous Vitamin C [HDIVC]) or placebo for 4 days. Sequential Organ Failure Assessment (SOFA) score as a primary outcome, National Early Warning Score, Ordinal Scale of Clinical Improvement, and cytokine storm biomarkers were recorded on days 0, 3, and 5. Survival was also assessed on day 28 after enrollment.

Findings:

Seventy-four patients (37 patients in each group) were enrolled from April 5, 2020, to November 19, 2020, and all patients completed follow-up. A lower increase in SOFA score during the first 3 days of treatment (+0.026 vs. +0.204) and a higher decrease in this parameter in the last 2 days (−0.462 vs. −0.036) were observed in the treatment group. However, these differences did not reach a significance level (P = 0.57 and 0.12, respectively). Other indices of clinical and biological improvement, length of hospitalization, and intensive care unit admission days were the same between the two groups. Treatment did not affect the 28-day mortality.

Conclusion:

Among patients with moderate-to-severe disease of COVID-19, the use of HDIVC plus standard care resulted in no significant difference in SOFA score or 28-day mortality compared to the standard care alone.