bluuebunny/crossref_metadata_2025 huggingface dataset:
Nutrition Education 4.0 to Prevent Overweight and Obesity Through Webinar: A Research Protocol
Authors: Mahmudiono Trias , Atmaka Dominikus Raditya , Loh Su Peng , Rachmah Qonita , Mahmudah Mahmudah , Arini Shintia Yunita , Vidianinggar Mutiara Arsya , Wisnuwardani Ratih Wirapuspita , Adhi Kadek Tresna , Haryana Nila Reswari , Wisnusanti Setyo Utami , Indah Windi , Dewi Nikmah Utami
Published: February 2022

The COVID-19 pandemic in Indonesia has made changes in the learning system from face-to-face learning to online learning. With these conditions, technology should be utilized by making an innovation to improve the quality of learning. In this regard, innovations that can be done include the implementation of website seminar activities (webinar) in the midst of a pandemic. Webinars are a learning resource that can be widely accessed by students, academics, and the general public. Of course, this webinar activity is very useful to increase knowledge and insight. The prevalence of obesity in Indonesia according to Riskesdas 2018 shows that 13.6% of adults aged >18 years are overweight while 21.8% are obese. One of the challenges in this phase of life is how to influence and encourage young adults to adopt healthy eating behaviors. Therefore, one way that can be done to increase knowledge, attitudes, and behavior toward eating habits is to provide nutrition education through social media. This study aims to increase knowledge, attitudes, and behavior toward the habit of ordering food online, nutrient-dense food and energy-dense food, food safety, physical activity, sugar-sweetened beverage, and intake of energy, protein, fat, and fiber through the platform. Social media is widely used by the target. This is a randomized control trial study by giving nutrition education intervention related to reduction of obesity in adults age 17–25 years. This study targets adults using a quasi-experiment design with a pre- and post-test control group design. The study will be conducted online in Indonesia. A total of 311 adults aged 17–25 years are joining in this research.
Efficacy of a Non-addictive Nasal Irrigation Based on Sea Salt Enriched with Natural Enzymes among Patients with Sinusitis: An In Vivo, Randomized, Controlled Trial
Authors: Nocini Riccardo , Di Cosola Michele , Cazzolla Angela Pia , Cantore Stefania , Castellaneta Francesca , Covelli Michele
Published: February 2022

BACKGROUND: Chronic rhinosinusitis (CRS) is a common condition that is defined as inflammation of the nose and paranasal sinuses. Nasal irrigation plays an important role in the treatment of CRS. Evidence from basic research favors hypertonic saline over isotonic saline for mucociliary clearance, but evidence from clinical studies is controversial.

AIM: This study aims to investigate the hypothesis that the use of daily nasal irrigation based on sea salt, enriched with natural enzymes and lysozyme, may be useful in patients with CRS.

PATIENT AND METHODS: Patients (30 men and 30 women) 18–55 years old (mean age 41 ± 3 y.o.), with two episodes of acute sinusitis or one episode of chronic sinusitis per year for 2 consecutive years, were enrolled stratified by sex and age and randomly divided into two groups supplementation: Group A (test) and Group B (control/placebo). Moreover, an exit questionnaire was asked to Group A subjects to report whether their sinus-related quality of life has gotten worse, stayed the same, or improved (scale from 0 to ±100%).

RESULTS: The result showed that in the test group (A) from T0 to T1, a reduction of 17.65% for the symptoms related headache and/or facial pressure and a reduction of the 18.18%, for the symptoms relates to congestion and/or nasal discharge. On the other hand, the control group (B) shown less difference between T0 and T1.

CONCLUSIONS: This study strengthens the argument that the tested formulation is a safe, well-tolerated, long-term therapy that patients with chronic sinonasal complaints can and will use at home with minimal training and follow-up.
Deciphering the morphological variation and its ontogenetic dynamics in the Late Devonian conodont Icriodus alternatus
Authors: Girard Catherine , Charruault Anne-Lise , Gluck Thomas , Corradini Carlo , Renaud Sabrina
Published: February 2022

Identification of relevant taxonomic and evolutionary units is a recurrent issue in the fossil record, and all the more for ancient fossils devoid of modern equivalents such as conodonts. Extensive morphological variation has often led to the description of numerous species, subspecies or morphotypes, which may correspond to end-member morphologies reached through ontogeny. The platform elements of the Late Devonian conodont speciesIcriodus alternatuswere characterized by rows of denticles coming into occlusion between opposite elements; each element grew by the incremental addition of lamellae and by the addition of successive triads during ontogeny. During the late Frasnian and the early Famennian, the important morphological variation within this species led to the description of three subspecies. An extensive sample of early FamennianIcriodus alternatuswas quantified using 2D biometric measurements and denticle counts on 2D pictures, showing that the subspecies mainly differed in their size range but not in their general morphology. A 3D morphometric analysis was further performed on a subsample to characterize the shape of the ontogenetically older part of the elements. During ontogeny, early valleys between denticles tended to be filled, and the asymmetry between the inner and outer side of the element increased. These ontogenetic trends are responsible for the morphologies formerly described as the subspeciesIc. alt. mawsonaeandIc. alt. helmsi. Slight discrepancies between temporal ranges of the subspecies may be achieved through variations in range of size reached by the elements as a response to environmental changes. Disparity along ontogeny seems to follow an “hourglass model” suggesting a shift from relatively loose developmental constraints to a pattern of growth modulated by functional constraints during occlusion.
Biodiversity of vertebrates in Argentina: patterns of richness, endemism and conservation status
Authors: Bauni Valeria , Bertonatti Claudio , Giacchino Adrián , Schivo Facundo , Mabragaña Ezequiel , Roesler Ignacio , Rosso Juan José , Teta Pablo , Williams Jorge D. , Abba Agustin M. , Cassini Guillermo H. , Cousseau María Berta , Flores David A. , Fortunato Damián M. , Giusti María Emilia , Jayat Jorge Pablo , Liotta Jorge , Lucero Sergio , Aguirre Tomás Martínez , Pereira Javier A. , Crisci Jorge
Published: February 2022

Optimising conservation efforts requires an accurate record of the extant species as well as their geographic distributions. Nevertheless, most current conservation strategies start from an incomplete biodiversity inventory. Argentina has an extraordinary diversity of species, however, until now an updated inventory of its fauna has not been carried out. In this context, the main objective of this work is to present the results of the first national inventory of vertebrate species. Experts from each major vertebrate taxonomic group assembled and compiled its respective inventory. The information gathered included taxonomic rank, conservation status, endemism and geographic distribution. Species richness and representativeness were calculated for each taxonomic group, distinguishing between native, endemic and exotic, for each Argentinian province. Our results show Argentina harbours 3,303 species: 574 marine fish, 561 freshwater fish, 177 amphibians, 450 reptiles, 1,113 birds, and 428 mammals. Native species constitute 98.1% of the total taxa. The results achieved were spatially represented showing a pattern of higher richness from north to south and from east to west. Species considered as threatened account for 17.8% and 15.2% are endemic. There are five Extinct species. These results provide key information on developing strategies and public policies at the national and provincial levels and constitute a tool for the management and conservation of biodiversity.
The Value of Hospital Medicine
Authors: Shin Dong-Ho
Published: February 2022

In healthcare, value is defined as the measured improvement in a person's health outcomes for the cost of achieving that improvement. In the era of value in healthcare, hospital medicine successfully embraced strategies to improve hospital safety and to reduce medical error, length of stay and medical cost. As a specialist in general care and hospital system, hospitalists should learn topics of hospital medicine including safety, quality improvement, co-management, professionalism and leadership.
Growing Future Nurse Leaders to Build and Sustain Healthy Work Environments at the Unit Level
Authors: Sherman Rose , Pross Elizabeth
Published: February 2022

There is growing evidence in the nursing literature regarding the positive impact of healthy work environments on staff satisfaction, retention, improved patient outcomes, and organizational performance. The establishment of a healthy work environment requires strong nursing leadership at all levels of the organization, but especially at the point of care or unit level where most front line staff work and patient care is delivered. Growing future nurse leaders is a long term quest. It can be challenging for today’s leaders to predict what knowledge, skills, and abilities will be needed to lead in the future. This article presents a review of the literature regarding the importance of healthy work environments in healthcare organizations and the significant role of nurse leaders in building and sustaining these healthy environments. It also discusses the development of leadership skills by presenting the Nurse Manager Leadership Collaborative Learning Domain Framework, a widely used competency model for nursing leadership development that can serve as a useful resource in the development of leaders at the unit level.
Moving On, Up, or Out: Changing Work Needs of New RNs at Different Stages of Their Beginning Nursing Practice
Authors: Pellico Linda , Djukic Maja , Kovner Christine , Brewer Carol
Published: February 2022

This article describes the work experience of a national cohort of 229 RNs who participated in a survey on work environment at two different time periods. Survey results of the RNs’ experience within two and a half years of their initial RN licensure (time period two) are described in detail, and comparisons are made to their experiences one year earlier (time period one). Using Krippendorff’s technique for content analysis, six inter-related themes emerged at time period two. Findings indicate that the working environment of RNs impacts both nurses’ satisfaction and their dissatisfaction. Factors associated with dissatisfaction center on the lack of nurse manager leadership, persistent verbal abuse, high patient-to-nurse ratios, and the physical demands of bedside nursing that result in injuries. Suggestions from the nurses themselves are used to guide strategies to improve the work environment and retain nurses.
Todos los anymales son (des)iguales pero algunos anymales son más (des)iguales que otros. Una revisión del excepcionalísimo humano, el especismo y las relaciones óntico relacionales entre especies
Authors: Gómez-Melara José , Acosta-Naranjo Rufino
Published: February 2022

La relación entre seres humanos y otros anymales (anymals) (Kemmerer, 2006) es, por definición, asimétrica. A lo largo de la historia se han esgrimido múltiples argumentos para justificar un supuesto excepcionalismo humano (excepcionalism), desde la atribución de derechos divinos a una mayor inteligencia, legitimando así un sistema de explotación denominado dominación (domination) (Manfredo et al. 2019). Las relaciones entre especies y cómo se conciben son un tema difícil. Hay muchos modos de enfocar las relaciones entre el humano y los anymales, desde la adoración religiosa (vacas en la India) a la explotación (investigación biomédica). Además en Occidente surgen formas alternativas de ver y entender estas relaciones (por ejemplo, la relación con animales domésticos). La pertenencia a una u otra especie es un factor fundamental que influye en la posición que cada animal tiene en estas jerarquías asimétricas. Sin embargo, se deben considerar otros elementos relevantes, como los vínculos entre individuos, de la misma manera que el afecto por otras personas depende en líneas generales del tipo de vínculo que tengamos con ellas (por ejemplo, la relaciones familiares o de amistad).
Mujeres y trabajo en el campo mexicano: Colotlán, Jalisco
Authors: Villagrana Paulina Ultreras
Published: February 2022

Los estudios de caso sobre mujeres rurales en México son abundantes, incluso los análisis desde la perspectiva regional, no obstante, se ha dejado de lado una región poco estudiada en México: el norte de Jalisco y en particular la sociedad ranchera que ahí habita. En este artículo presentaré el caso de una mujer perteneciente a una sociedad ranchera del occidente de México, en Colotlán, Jalisco, donde la ganadería es la actividad económica articuladora de la vida social y cultural, en la cual se ha consignado a las mujeres a la vida doméstica y al cuidado de la familia. No obstante, en las últimas décadas del siglo XX se han registrado cambios políticos, económicos y sociales que han modificado las relaciones entre hombres y mujeres y la división sexual del trabajo en una economía de libre mercado.
La rhétorique scientifique des jeux vidéo. Spacewar! et la translation visuelle des algorithmes
Authors: Careri Angelo
Published: February 2022

Contemporains de toutes les évolutions technologiques qui ont permis de créer des images numériques de plus en plus complexes, les jeux vidéo ont adopté dès leur apparition, et de façon bien plus massive que d’autres médiums, les techniques de représentations de l’espace et des corps propres à la rhétorique scientifique. Le cas de Spacewar! (1962), mis au point par un groupe d’ingénieurs du Massachusetts Institute of Technology, et considéré comme l’un des premiers jeux vidéo de l’histoire, est de ce point de vue iconique. Développé dans un contexte de recherche expérimentale marqué par la guerre technologique qui oppose les États-Unis à l’URSS, il inaugure une grammaire visuelle où les images ont pour fonction de manifester la puissance des algorithmes. À travers une analyse sémiotique de Spacewar!, cet article se propose d’étudier le transfert de certains régimes de visibilité propres à la recherche scientifique et leur reconfiguration au sein des jeux vidéo.
Les Formes du vivant
Authors: Delahaye Lydie
Published: February 2022

Les savants préoccupés par la mise en visibilité des manifestations de la nature se sont très vite tourné vers les instruments d’enregistrement mécanique pour mettre en images les observations récoltées lors de leurs expérimentations. Adoptée par la science moderne, la microcinématographie – la combinaison du microscope et de la caméra filmique – apparaît comme un moyen unique pour explorer les mutations des phénomènes inaccessibles à la perception humaine. L’enregistrement filmique des observations microscopiques devient un moyen d’accéder à de nouvelles formes de connaissances. Or, puisque la microcinématographie produit des images dans lesquelles « objectivité » et « subjectivité » ne peuvent exister l’une sans l’autre, les films scientifiques sont parfois traversés par des ressorts esthétiques. En effet, il semble que les films qui résultent des croisements entre science et cinéma possèdent une détermination expérimentale qui leur permet aussi bien de faire des observations biologiques que des expériences filmiques.
Max Bense en visionnaire : de l’entropie à la dialectique des images programmées
Authors: Robillard Gaëtan
Published: February 2022

En 1960 à Stuttgart, le philosophe Max Bense publie l’ouvrage Programmer le beau [Programmierung des Schönen]. Bense cherche dans la cybernétique des concepts scientifiques et inaugure la pensée de la programmation dans le domaine de la littérature. Son esthétique de l’information marque toute une génération de scientifiques et d’artistes – dont le Cercle de Stuttgart qui s’empare de la nouvelle esthétique pour faire émerger les premières images artistiques programmées. Max Bense est-il un visionnaire ? De quelle façon révolutionne-t-il le monde des images ? L’article discute de la cybernétique qui inspire Bense : une science des probabilités en rupture avec les principes de la physique newtonienne. Par ailleurs, dans les années soixante, Max Bense lance avec Élisabeth Walther la revue expérimentale Rot qui consacre ses pages à la poésie concrète et aux premières images générées par ordinateur de Georg Nees. Comme le défend Frieder Nake à travers son œuvre pionnière et sa théorie, ces images opposent le visible et le calculable. Cette dialectique ouvre à une réflexion critique sur l’image algorithmique en art et en science.
Dans le laboratoire de l’artiste : des représentations à l’épreuve du vivant
Authors: Lecomte Vincent
Published: February 2022

Les artistes choisissent de plus en plus de placer au centre de leur pratique des dispositifs et même des méthodologies scientifiques. Ne serait-ce là que le signe d’une expression désireuse de fonder toute création sur des connaissances objectivement établies, dans une société encore largement soumise à des modèles positivistes ? Leur travail, qui constitue un véritable acte d’investigation, peut-il et doit-il mener à un savoir comparable à celui du scientifique ? L’étude du vivant, en particulier, occupe une place primordiale au sein de l’art contemporain, et notamment dans le développement d’expérimentations souvent inspirées du modèle des sciences dites « dures », ayant pour objet d’enquête l’animal. Dans ce contexte, l’artiste-scientifique ne serait-il qu’une figure chimérique ou aurait-il les moyens d’inciter à envisager des représentations extrahumaines ?
Une autre logique. Sur les Objets mathématiques de Man Ray
Authors: Brunier Éric
Published: February 2022

Les photographies des objets mathématiques faites par Man Ray sont mystérieuses. Leur mystère tient autant aux objets photographiés qu’aux photographies elles-mêmes. On propose alors de saisir ce mystère comme une pensée de la photographie sur elle-même. Il apparaît donc possible d’expliquer la logique photographique à la lumière de la logique formelle des mathématiques, notamment à celle de la théorie des modèles, telle qu’elle se montre dans les objets mathématiques.
L’image de chantier domestique : une esthétique à l’épreuve de la pluralité des regards
Authors: Filiod Jean Paul , Kueny Claire , Tang Jade
Published: February 2022

Qu’est-ce qu’une « image de chantier » ? Diffère-t-elle selon qu’elle est prise par un e habitant e, un e chercheur e, un e artiste ou un artisan ? En quoi, au contraire, est-elle semblable quel·le que soit l’auteur·e ? Cet article met l’accent sur la porosité des motifs – au sens de raisons comme de figures – et des usages des images de chantier prises par ces différents types d’auteur·es. Il s’appuie sur une recherche construite au croisement de l’art et des sciences humaines et sociales et consistant à « saisir le chantier par l’image » à partir d’une étude empirique combinant collecte d’images de chantier de rénovation domestique et entretiens. Prenant acte de cette porosité des motifs et des résonances existant dans un ensemble composé de centaines d’images de chantier, nous explorons ici l’hypothèse d’une “esthétique de chantier”, possiblement située au carrefour de l’ordinaire, de l’infra-ordinaire et de l’extra-ordinaire, entre monde quotidien et dimension artistique.
Catégories caduques. Au-delà de la distinction entre images artistiques et images scientifiques
Authors: Di Liberti Giuseppe , Pinotti Andrea
Published: February 2022

Dans l’iconosphère que nous habitons, est-ce que les catégories d’image artistique et d’image scientifique sont toujours actuelles ? Il faudrait peut-être les penser comme des catégories opérationnelles, plus qu’ontologiques, finalisées à une différenciation des formes de la pensée, des méthodes d’interprétation ou des procédures d’abstraction. À la suite d’une telle différenciation, on pourra découvrir jusqu’à quel point ces formes sont historiquement croisées et comment aujourd’hui le dialogue interdisciplinaire devient une nécessité méthodologique.
Daniele Barbaro, Vitruve et deux icônes crétoises
Authors: Georgilaki Maria
Published: February 2022

L'objectif de cet article est de montrer l’adéquation entre les théories vitruviennes de la deuxième moitié du xvie siècle à Venise et les collections d'objets de l'antiquité classique arrivant des territoires vénitiens d'outremer. La nouvelle conception de l’architecture qu’une faction du patriciat tente d’établir est fondée sur l’idée du projet réalisé par le seul entendement des calculs mathématiques et aucunement sur le jugement de l’œil. Cette théorie qui, par le biais du disegno, accorde aux arts le même statut de noblesse que les lettres, fournit un modèle artistique qui est très différent de la tradition artistique vénitienne. À partir d’un modèle iconographique byzantin, on va tenter de montrer comment les formes de représentation architecturale et les objets réels de l'antiquité sont mis en tension avec cette nouvelle proposition de spatialité dans les structures d'une société dont les institutions de la vie civique et leurs origines sont sacralisées.
Study of IR Spectroscopy of Crystalline Materials Structure Used in Laser Shutters
Authors: Timokhin Viktor M. , Garmash V.M. , Tedgetov V.A.
Published: February 2022

The IR absorption spectra of hexagonal crystals of lithium iodate α-LiIO3, used in laser shutters for ship wiring, where the quality, transparency and power of laser radiation are of great importance, are studied. The transmission spectra allowed us to determine the width of the crystal band gap 4.37 eV along the Z-axis (C6 [0001]) and 4.46 eV along the axis perpendicular to the Z axis. The activation energies and the wavelength of the vibrational centers associated with the vibrations of the H3O+, OH-, H2O groups, heavy D2O and semi-heavy molecules HDO are determined. It is established that the band 1450-1650 cm-1 is a superposition of at least two broad absorption maxima centered at ~1550 and ~1600 cm-1. It was experimentally established that the ratio of the absorption coefficients of these bands was ~1:1 (75:74 cm-1) for crystals grown in H2O, and ~2:1 (161:84 cm-1) – for crystals grown in D2O. This allows us to assume that in a lithium iodate crystal grown in D2O, the bands 1550 cm-1 and 1600 cm-1 correspond to the vibrations of the bound HDO and H2O molecules, the band 1150 cm-1 corresponds to the vibrations of heavy water molecules. The results of the study allowed us to propose a mechanism of transport and translational diffusion of protons and to determine the presence of heavy water molecules in crystalline materials, as well as to diagnose the quality of laser crystals.
Ensuring Stability of Trenches by Combining Bands with Transverse Drainages
Authors: Grigoryan Vardges , Grigoryan Ashot , Grigoryan Vahan , Sahakyan Aram
Published: February 2022

The work concerns the use of polyvinyl chloride joints as a modern method of stabilizing the trenches in military construction built on unstable water-saturated slopes by combining it with a transverse drainage. Employment of the method will reduce the hydrostatic pressure on the trench walls, excluding the possibility of collapse, and will increase the efficiency of service at military bases. Polyvinyl chloride joints are used in hydraulic engineering in a number of countries, in the construction of artificial canals, swimming pools and flood protection. The novelty of this method is its usage in flooded areas, which at the same time prevents landslides by organizing drainage.
Study of the Characteristics in the Problem on the Stress State of a Piecewise Homogeneous Half-Space at an Antiplane Deformation in the Presence of Stress Concentrators of the Type of Cracks and Stringers
Authors: Grigoryan Marine , Yedoyan Vardges
Published: February 2022

This paper considers the problem of the mathematical theory of elasticity on the stressed state of a piecewise homogeneous half-space at an antiplane deformation in the presence of stress concentrators such as cracks and stringers. The piecewise homogeneous half-space consists of an elastic layer and an elastic half-space with different shear modules. The arbitrary finite number of collinear system of tunnel cracks is located at the joint line between the layer and the half-plane, and the upper edge of the layer is reinforced by an arbitrary finite number of collinear system of stringers. It is assumed that under the action of tangential forces applied to the crack faces and stringers, the piecewise homogeneous half-space is in the conditions of antiplane deformation (longitudinal shear). Such problems arise in research in structural mechanics, geomechanics, geophysics, measuring technology and other areas of applied mechanics and engineering practice. Using the Fourier integral transformations, solving the described problem is reduced solving a system of SIE systems. Based on the solution of these systems, important characteristics of the problem such as the dislocation densities on the crack edges, crack opening, breaking tangential stresses outside the system of cracks on their line, stress intensity coefficients (SIF), tangential contact stresses under the stringers are determined. These values are represented by explicit analytical formulas that are convenient for practical calculations. Particular cases are considered.
Features of the Structure Formation of the Machine Parts’ Surface Layer in the Conditions of Hybrid Processing
Authors: Skeeba Vadim , Ivancivsky Vladimir , Zverev Egor A.
Published: February 2022

The object of these studies is the machine parts manufacturing process consisting of the following operations: pre-machining (rough and semi-finishing turning), surface hardening (high-energy heating by high-frequency currents) and finishing machining (finishing turning and diamond smoothing). We present the solution to the problem of quality forecasting in the conceptual design of hybrid process equipment. The developed methodology for substantiating the technical characteristics of machine tools based on mathematical simulation of its operating conditions provides the possibility of using automatic design systems at the initial stage of creating a general concept. We tested the developed design methodology and proposed a scheme for the implementation of hybrid metalworking process equipment based on the lathes. It is experimentally established that under the conditions of the developed hybrid processing it becomes possible to increase the surface microhardness of parts by 12-17 % and to increase the level of compressive residual stresses in the surface layer by 10-21 %.
Ensuring the Stability of Slops by Combining the Bulk Piles with Gabions
Authors: Grigoryan Ashot
Published: February 2022

The work refers to the modern method of stabilizing unstable, water-saturated creeping slopes, with the combination of bulk piles and gabions. The application of the method makes it possible to ensure the stability of the slope by means of bulk piles, passing through weak soils, building semi-massive gabion walls on the piles with a stepped front edge. Bulk piles and gabions are used in modern construction for strengthening the slopes of river banks, in the preparation of protective structures to stand the rockfall, avalanche floods, in the construction of bridges, hydraulic and other facilities. The novelty of the proposed method is the stabilization and watering of the slopes organized without the construction of reinforced concrete retaining walls and land-based systems. It provides strength in depth and minimizing hydrostatic pressure.
Prospects of Using Hyperelastic Elastomer Materials in Vehicle Suspension Systems
Authors: Stepanov Evgeniy V. , Molev Y.I. , Ogorodnov S.M. , Orlov L.N.
Published: February 2022

The relevance of the use of elastic polymers (elastomers) in the structure of vehicle suspension is ensured by reducing the metal content, the unsprung mass and the overall dimensions of the elastic and damping suspension elements, and by increasing ride comfort and resistance to external factors. The aim of the study is to substantiate, theoretically and practically, the advantages of using elastomeric materials in terms of the quality of ride and the increase of the elastic and damping elements power intensity in comparison with standard designs. The comparative analysis of the parameters of standard structures and alternative ones allows us to make a conclusion the advantages of using elastomers in terms of increasing the power intensity of the elastic-damping suspension structure, reducing the values of the unsprung masses.
Dynamic Measurements of Building Structures Based on the ARAMIS SRX Measurement System
Authors: Maciej Major , Palacz Przemysław
Published: February 2022

The article presents the possibilities of dynamic measurements of building structures based on the ARAMIS SRX measurement system. It is a system consisting of high-resolution 3D cameras with the possibility of filming up to 500 frames per second. The stability of the sensor and the high frequency of image recording enable precise three-dimensional measurements of displacements and deformations caused by static or dynamic loads. Thanks to dynamic measurements, it is possible to analyze the redistribution of stresses, both of small elements and large elements of a structure. Moreover, the article presents exemplary tests of the connection of the profile of the parapet supporting structure subjected to dynamic wind loads. Two different states of dynamic gusts were analyzed: maximum suction and maximum wind pressure, assumed periodically as a sinusoidal function.
On Two Problems of Contact Interaction of Stringers with an Elastic Half-Plane
Authors: Mkhitaryan Suren , Kanetsyan Eghine , Mkrtchyan Muscheg
Published: February 2022

Two contact problems on the interaction between a system of an arbitrary finite number of stringers or a periodic system of stringers and a massive deformable body in the form of an elastic half-space under plane deformation are considered. These problems are discussed in the formulation when the mode of elastic displacements of the stringers is given in advance, and it is required to determine the contact stresses and the force factors acting on the stringers. In this formulation, problem solving is reduced to solving the singular integral equation (SIE) with a Cauchy kernel or a Fredholm integral equation (FIE) that admits an exact solution.
Numerical Analysis of the Connection of Light Frame Elements in the Sunday System Technology
Authors: Kosiń Mariusz , Kalinowski Jarosław
Published: February 2022

The work is devoted to the numerical analysis of connections of light frame elements in the Sunday system technology. The analyzed technology is described, which in the light of the requirements in terms of structure mechanics as well as more and more stringent energy efficiency is an economical and effective solution. Complex numerical calculations require the introduction of appropriate input data to create computer models. In order to perform the simulation, the influence of the adopted schematic characterization of the material on the course of the stress-strain curves obtained by numerical analysis using the Ansys Reaserch 2021 program based on the finite element method was presented. The authors described the procedure for performing numerical analysis, taking into account material nonlinearity. The material models used for this type of calculations were also noted. On the example of a connection of elements of a light frame structure, the influence of the adopted material characteristics on the result of the obtained numerical calculations is presented.
Tribological Properties of Coating Obtained by Magnetron Sputtering of the Composite Target Ni-Cr-B4C
Authors: Sirota Viacheslav V. , Limarenko Michael , Zaitsev Sergey , Prokhorenkov Dmitriy , Kovaleva Marina G. , Gorodov Andrey I.
Published: February 2022

The paper studies the tribological behavior of a Ni-B/Cr7C3 nanocomposite coating applied by magnetron sputtering on a Ni-Cr-B4C composite target. The composite target was obtained by detonation gas-thermal spraying of Ni-Cr-B4C powder composition. The study determined the hardness of the coating amounting to 7.8 GPa. The distribution of chemical elements in the contact zone of ball-coating friction by energy dispersive spectroscopy (EDS) was studied. The wear track width was 324 μm. Tribological wear tests and determination of adhesion/cohesion strength showed that Ni-B/Cr7C3 coatings have good wear resistance, and abrasive and adhesion wear mechanisms act simultaneously during wear. The resulting coatings can be used to protect critical parts and mechanisms susceptible to abrasive and adhesive wear.
Knockout of Factor-Inhibiting HIF (Hif1an) in Colon Epithelium Attenuates Chronic Colitis but Does Not Reduce Colorectal Cancer in Mice
Authors: Schützhold Vera , Gravemeyer Jan , Bicker Anne , Hager Thomas , Padberg Claudia , Schäfer Jana , Wrobeln Anna , Steinbrink Melanie , Zeynel Seher , Hankeln Thomas , Becker Jürgen Christian , Fandrey Joachim , Winning Sandra
Published: February 2022

Inflammatory bowel disease such as chronic colitis promotes colorectal cancer, which is a common cause of cancer mortality worldwide. Hypoxia is a characteristic of inflammation as well as of solid tumors and enforces a gene expression response controlled by hypoxia-inducible factors (HIFs). Once established, solid tumors are immunosuppressive to escape their abatement through immune cells. Although HIF activity is known to 1) promote cancer development and 2) drive tumor immune suppression through the secretion of adenosine, both prolyl hydroxylases and an asparaginyl hydroxylase termed factor-inhibiting HIF (FIH) negatively regulate HIF. Thus, FIH may act as a tumor suppressor in colorectal cancer development. In this study, we examined the role of colon epithelial FIH in a mouse model of colitis-induced colorectal cancer. We recapitulated colitis-associated colorectal cancer development in mice using the azoxymethane/dextran sodium sulfate model in Vil1-Cre/FIH+f/+f and wild-type siblings. Colon samples were analyzed regarding RNA and protein expression and histology. Vil1-Cre/FIH+f/+f mice showed a less severe colitis progress compared with FIH+f/+f animals and a lower number of infiltrating macrophages in the inflamed tissue. RNA sequencing analyses of colon tissue revealed a lower expression of genes associated with the immune response in Vil1-Cre/FIH+f/+f mice. However, tumor occurrence did not significantly differ between Vil1-Cre/FIH+f/+f and wild-type mice. Thus, FIH knockout in colon epithelial cells did not modulate colorectal cancer development but reduced the inflammatory response in chronic colitis.
L'amministratore di sostegno a favore di persone impossibilitate a provvedere alla cura dei propri interessi
Authors: Bompiani Adriano
Published: February 2022

L'articolo illustra da un punto di vista eminentemente giuridico - con le sue ricadute etiche - un disegno di legge approvato dal Consiglio dei Ministri nell'aprile 1993 riguardante l'istituzione della figura dell'amministratore di sostegno per le persone impossibilitate a provvedere alla cura dei propri interessi. Tale provvedimento legislativo appare di notevole importanza in speciale riferimento all'handiccapato psichico, del quale l'articolo illustra i fondamenti giuridici della protezione a lui dovuta. Il lavoro passa in rassegna, inoltre, le normative vigenti in altri Paesi sull'argomento.
Formulating a biblical teaching on sex for Nigerian Christian couples: A study of 1 Corinthians 7:1–5
Authors: Adewale Olubiyi A. , Oyekan Funke E.
Published: February 2022

The issue of sexual relations between spouses is a major cause of broken homes in Nigeria and Christian couples are not an exception. People believe that a large percentage of broken homes have the root of their problem traced to sex. The preponderance of broken homes (and homes under tension of crises) notwithstanding, most studies in this area have been from the socio-scientific and medical cum psychological point of view and many more have focused on teenagers and young people to the exclusion of married couples that need healing in this regard. This article is aimed at bringing out biblical instruction concerning the issue of sex that could help to restore peace to many homes at the verge of breaking down. The focal passage is 1 Corinthians 7:1–5, which was Paul’s instructions to the Corinthian church when they faced a similar problem. This article is an exegetical analysis of the passage and is read rhetorically (rhetorical analysis examines how a text persuades readers of its point of view) with the Nigerian situation in mind. It concludes that sex must be enjoyed within the ambits of marriage and within this ambit, the only reason for abstinence is mutual agreement for the purpose of prayer.Contribution: The article upholds gender equality in initiating and enjoying sex and rejects looking down on women who request sex. It also calls for the eradication of female genital mutilation, a tradition based on making women not enjoy sex.
Flexible work options in higher educational institutions in times of crisis
Authors: Atiku Sulaiman O. , Ganiyu Idris O.
Published: February 2022

Orientation: The association between academic staff position and attitudes towards specific flexible work options in times of crisis.Research purpose: This study examined employees’ perceptions towards flexible work options in times of crisis in institutions of higher learning operating in Namibia.Motivation for the study: Despite the wide-ranging studies that have examined attitudes towards flexible work options in many organisations, little is known about attitudes towards flexible work options in higher education institutions in times of crisis.Research approach/design and method: This study adopted a cross-sectional survey following a quantitative approach, using a structured questionnaire to gather information from the participants. The target population (956) of this study comprised academics and administrative staff working in the participating institutions. Data were analysed from a sample of 465 respondents using the Chi-square test of independence and the Mann–Whitney U test to test the research hypotheses.Main findings: Results show that academic staff position is positively associated with attitudes towards specific flexible work options in times of crisis. Findings further indicate a significant association between gender and attitudes towards ‘early start-normal go, then Friday afternoon off’.Practical/managerial implications: Insights from the research findings could be used to improve the implementation of flexible work options in the post-pandemic period.Contribution/value-add: The study offers a perspective on the attitudes towards flexible work options in higher education institutions during a pandemic.
Promotive factors associated with internalising symptoms amongst college students during the COVID-19 lockdown in Enugu metropolis, Nigeria
Authors: Chinawa Awoere , Aronu Ann , Ossai Edmund , Chinawa Josephat
Published: February 2022

Background: The outbreak of the coronavirus disease 2019 (COVID-19) pandemic has caused a high burden of psychological distress amongst adolescents.Aim: This study aimed to evaluate associations of personal strengths including resilience and social support with internalising symptoms amongst college students during the lockdown in the wake of the COVID-19 pandemic.Setting: The study population included students from senior and junior college classes in public schools in Enugu metropolis, Nigeria.Method: A school-based cross-sectional study design was employed for the study. A two-stage sampling technique was used to select 496 students (mean age = 16.5, s.d. = 1.9 years; 52.2% female) in six out of 33 public colleges in Enugu metropolis, Nigeria during the lockdown period occasioned by the COVID-19 pandemic. Validated questionnaires assessing anxiety, depression, resilience and social support were used to collect information.Results: Most of the students reported depressive symptoms, whilst just over a third of the sample reported anxiety or both depressive and anxiety symptoms. Chi-square and logistic regression analyses revealed that being male and reporting higher levels of social support and the ability to bounce back from stress were associated with less anxiety. Being younger and reporting a moderate level of support were associated with more depressive symptoms, whilst the ability to bounce back was associated with fewer depressive symptoms.Conclusions: Good social support and the ability to bounce back from stress were linked to lower levels of anxiety and depressive symptoms amongst college adolescents during the lockdown in the wake of the COVID-19 pandemic despite high prevalence rates.
Human-Wildlife Coexistence
Authors: Fiasco Valentina , Massarella Kate
Published: February 2022

The term ‘coexistence’ is increasingly being used by academics and practitioners to reflect a re-conceptualisation of human-wildlife interactions (HWI). Coexistence has become a popular buzzword and is central to several proposals for transformative change in biodiversity conservation, including convivial conservation. Although ideas about how to achieve coexistence proliferate, critical exploration of the framing and use of the term is lacking. Through analysis of semi-structured interviews, webinars and online and offline documents, this paper critically interrogates how ‘coexistence’ is being conceptualised and translated into practice. We characterise coexistence as a boundary object that reflects a broadly agreed on ‘hopeful mission', while being flexible enough to be meaningful for a wide range of actors. We identify three main framings of coexistence, which reflect the ways of knowing, values and approaches of different epistemic communities. We find that although the idea of coexistence has the potential to help facilitate transformative change in wildlife management, so far it largely manifests in practice as a positive-sounding label for standardised packages of tools and incentives. We argue that as the meaning of coexistence continues to be contested, there is an opportunity for activists, academics, and practitioners to reclaim its transformative roots. We identify a role for convivial conservation within this agenda: to re-politicise coexistence through the concept of ‘meaningful coexistence'.
Does Omeprazole, the Proton-Pump Inhibitor, Affects the Structure of the Kidney of Male Albino Rats? Histological and Laboratory Study
Authors: Hussein Heba M. , El-Nefiawy Nagwa , Hamid Haidy F. , Moneim Marwa A.
Published: February 2022

Introduction:

This study was done to assess the injurious effects of omeprazole by an in vivo experimental study on rat kidneys.

Materials and Methods:

Forty-two adult male albino rats were divided into four groups: Control group (I) in which rats were not administrated any treatment. In Groups IIa, IIb, and IIc rats received daily oral omeprazole in dose of 0.75 mg per kg for 2, 4, and 6 weeks, respectively. At the end of the experiment, blood samples were collected for serum creatinine and blood urea nitrogen measurement. Then, animals were sacrificed, and kidney specimens were processed for paraffin blocks, sectioned and stained with H and E, Mallory trichrome and Periodic acid–Schiff, then examined by the light microscope. Stained sections and image analysis were used to count vacuolated cells, pyknotic nuclei, tubular casts, and area percent of collagen fiber deposition, and then, data were subjected to the statistical analysis.

Results:

Examination of omeprazole-treated groups showed injury of renal corpuscles, renal tubules, and vascular congestion with inflammatory cell infiltrate in renal interstitium. Thickening of basement membrane with deposition of collagen fibers was also detected. Statistically significant increase in the number of vacuolated cells, pyknotic nuclei, hyaline casts, and area percentage of collagen fiber deposition as compared with the control group was noticed, with deterioration of renal function tests.

Conclusion:

It was concluded that the long-term use of omeprazole resulted in structural damage of rat renal tissue associated with deterioration of renal function in a time-dependent manner.
Dysplastic Lining in Odontogenic Keratocyst: A Unique and Unanswered Feature
Authors: Likhithaswamy Hariyabbe Rangaswamy , Ganganna Kokila , Ashok Kumar K. R. , Saibaba Mahalakshmi
Published: February 2022

Odontogenic keratocyst (OKC) is one of the most controversial and extensively studied and discussed odontogenic cyst among oral pathologists and surgeons due to its aggressive behavior and high recurrence rate. Recurrence of OKC is attributed to clinical aspects per
se, surgical skill and treatment option or histopathological reasons have been extensively discussed in various literature. Although malignant transformation in OKC has been reported, little is known regarding dysplasia alone in OKC epithelium. In this article, we have highlighted this histological feature which can give a hint in predicting malignant transformation. This may help the clinician to predict the prognosis of the disease and thereby improving the quality of life.
The Extent of Expression of Thyroid Transcription Factor 1, Cytokeratin 7, and Anaplastic Lymphoma Kinase in Lung Adenocarcinoma
Authors: Atta Ihab Shafek
Published: February 2022

Background:

New forms of genetic alteration were developed giving a new era of lung adenocarcinoma (AdC) with diverse clinical and pathological features.

Aim and Objectives:

The aim is to investigate the ALK-rearranged gene as one of these genetic alterations in AdC. The role of TTF-1 and CK7 is to exclude the metastases.

Material and Methods:

Paraffin-embedded 50 AdC specimens were cut into 4-mm thick sections and stained with the primary antibody, using an anti-TTF-1 antibody, (all at a 1:200 dilution, mouse monoclonal antibody; Dako, Denmark), anti-CK 7 antibody (DAKO, Carpentaria, CA), and the rabbit monoclonal anti- ALK antibody (D5F3) (Ventana, USA). Positive reactivity was considered as brown nuclear immunostaining for TTF-1 and cytoplasmic for CK 7and both cytoplasmic and nuclear for ALK.

Results:

The median age was 56±2, with male to female ratio 7:3. Forty-four cases revealed a mixed pattern (88%), with focal intraluminal mucin. Forty-one cases (82%) were positive for TTF-1, of these; weak (13; %), moderate (16; %) and strong (12; %). Regarding CK7; 48 cases (96%) were positive; weak (7 cases; 14.5; %), moderate (18 cases; 37.5%) and strong (23 case; 47.9 %) of the positive cases. Regarding D5F3; five cases (10%) were positive; weak (1 case; 20 %), moderate (2 cases; 40 %) and strong (2 cases; 40%) out of the positive cases. Four ALK-positive cases were male and ALK-positive patients ranged from 42-55 years with median 48.

Conclusion:

Despite the incidence of ALk-AdC is uncommon, it might be suspected in lesions of lower age group especially with mucinous foci.
Pericytic Lesions: A Paradigm of Overlapping Features
Authors: Singh Sarika , Sinha Pallavi , Dhar Lity
Published: February 2022

Although myopericytoma and glomangiopericytoma are considered the subtypes of the group myopericytomas (MPC), they differ morphologically. Both of the tumors arise from pericytic cells. Scalp MPC are infrequent, but extranasal glomangiopericytomas are extremely rare. Herein, we report a case of a 36-year-old female presenting with slowly growing scalp swelling. Histopathology showed a dermal tumor with features of myopericytoma as well as glomangiopericytoma within the same lesion. Immunohistochemistry and reticulin staining confirmed pericytic origin but could not differentiate between the two tumors. This case report adds to the rarity and morphologic heterogeneity of the group MPC.