bluuebunny/crossref_metadata_2025 huggingface dataset:
BiSHM: Evidence detection and preservation model for cloud forensics
Authors: Purnaye Prasad , Kulkarni Vrushali
Published: May 2022

The cloud market is growing every day. So are cloud crimes. To investigate crimes that happen in a cloud environment, an investigation is carried out adhering to the court of law. Forensics investigations require evidence from the cloud. Evidence acquisition in the cloud requires formidable efforts because of physical inaccessibility and the lack of cloud forensics tools. Time is very crucial in any forensic investigation. If the evidence is preserved before the cloud forensic investigation, it can give the investigators a head start. To identify and preserve such potential evidence in the cloud, we propose a system with an artificial intelligence (AI)-based agent, equipped for binary classification that monitors and profiles the virtual machine (VM) from hypervisor level activities. The proposed system classifies and preserves evidence data generated in the cloud. The evidence repository module of the system uses a novel blockchain model approach to maintain the data provenance. The proposed system works at the hypervisor level, which makes it robust for anti-forensics techniques in the cloud. The proposed system identifies potential evidence reducing the effective storage space requirement of the evidence repository. Data provenance incorporated in the proposed system reduces trust dependencies on the cloud service provider (CSP).
Phase field modeling of corrosion damage
Authors: Imanian Anahita , Amiri Mehdi
Published: May 2022

A phase field (PF) based electrochemical model is presented for simulation of galvanic corrosion. Distributions of electrolyte potential and current density on anode and cathode surfaces are obtained by coupling the PF variable with electrochemistry. Evolution of surface recession is naturally obtained by solving the PF equations without tracking the evolving boundary. Numerical implementation involves solving the governing equations on a fixed mesh. The sharp interface as the limit of the PF model is shown by an asymptotic analysis. Two benchmark problems are discussed: a magnesium alloy–mild steel couple exposed to 5% NaCl solution and crevice corrosion for nickel in 1 N sulfuric acid. A comparison is made considering available experimental data as well as other simulation data by an arbitrary Lagrangian–Eulerian method. Good agreement is obtained.
Las metáforas temporales tiempo como movimiento de/por un lugar y tiempo como movimiento de arriba abajo y sus realizaciones en la lengua española
Authors: Huelva Unternbäumen Enrique
Published: May 2022

En este trabajo nos proponemos analizar las metáforas temporales tiempo como movimiento de/por un lugar y tiempo como movimiento de arriba abajo y sus realizaciones en la lengua española. Mostraremos que la primera debe ser considerada una metáfora central, tan importante para conceptuar la temporalidad como las metáforas tiempo es movimiento del sujeto y tiempo es movimiento del objeto, tradicionalmente consideradas en los estudios sobre metáfora. La segunda, por su parte, es una metáfora secundaria que complementa a las principales al especializarse en la expresión de la imprevisibilidad del tiempo. El trabajo aporta también el postulado de un conjunto de parámetros y principios metodológicos para la descripción y clasificación de metáforas temporales.
Pervivencia del discurso colonial y fijación de fetiches raciales y culturales en la literatura argentina de la postindependencia: la generación literaria de 1837
Authors: Kruse Elisabeth
Published: May 2022

El presente artículo aborda la pervivencia y acentuación del discurso colonial más allá de la Independencia americana, a través del análisis de la literatura de la generación romántica argentina de los escritores de 1837, quienes, como políticos, diseñaron un proyecto de nación progresista, europeizante y discriminatoria, sustentado por ideas pseudo-científicas deterministas. Se analizan sus discursos en la poesía y ensayos, a la luz del concepto de “ficciones orientadoras” de N. Shumway así como de postulados de los estudios poscoloniales de H. Bhabha y W. Mignolo. De este modo se intenta revisar y cuestionar el modo de representar la alteridad, tema fundamental en la manera de abordar la literatura desde los Estudios Culturales.
Bec(h)oming with Simon Whitehead: Practising a Logic of Sensation
Authors: Lavery Carl
Published: May 2022

In this text and image essay, I introduce a new concept to the environmental humanities; one which seeks to trouble metaphysical notions of dwelling by combining the idea of home (the oikos in ecology) with a notion of permanent becoming. In this way, home loses its conservative and reactionary connotations with atavistic origins and identities and instead is opened up to nonhuman forces and powers. As I explain in the opening section, bec(h)oming is a matter of affect; it depends upon the capacity of bodies to move beyond themselves, to be impressed and transformed by the environments which they move through, to tap what the philosopher Gilbert Simondon might see as the “pre-individual” energy that runs through all organisms. Humans are no exception; they, too, are caught in the flux and flow. By focusing on bodies, the essay not only looks to depart from conventional narrative-based notions of ecocriticism and theatre ecology, it aims to provide a lexicon, a new idiom for thinking through corporeal ecologies that are attuned to sensations, the virtual play of a cosmic Earth. To do that, the text provides the first detailed account of the work and practices of influential UK movement artist Simon Whitehead, whose Locator workshop has proved pivotal for so many dancers, choreographers, and artists over the past few decades. Integral to the paper is a desire to experiment with alternative modes of writing, a style that would express the enthusiasms of bec(h)omings and give some sense of its somatic potential.
An Art Like Nature: Theatre Environment as Territory in Tim Spooner Performances
Authors: Bowes Simon
Published: May 2022

Tim Spooner has described his practice as “an increasingly complex series of live performances centred on the revelation of life in material.”1 In this article, I consider this revelation as the precondition of a theatre ecology. Spooner stages a theatrical encounter between bodies and environments, in which distinctions between person-thing, subject-object, self-other no longer hold. Whilst there are evident parallels between this practice and posthumanist, or new-materialist philosophy, I shall describe Spooner’s theatre as artlike.This article responds to two thematics outlined in the original call for papers for CDE 2021: “eco-spaces” and “eco-aesthetics.” The argument runs: 1) an ecological space is the result of an ecological aesthetics; theatre is considered fundamentally social, political in significance; art is fundamentally ecological in significance; 2) ecocritical theatre and theatre ecology are categorically distinct: in ecocriticism, political, social, and cultural concerns mediate a concern for nature; in a theatre ecology nature is reconstructed virtually; 3) ecocriticism stages a recognition of an ecological crisis in social terms; theatre ecology stages a revelation of an environment; 4) against theatre, there is legislation; 5) a theatre ecology extends a juxtapositional logic of political ecology: this is a false start and ill-timed.The argument leads to a reconstruction of three gestures drawn from three of Spooner’s performances. In these gestures, theatre is rendered artlike. The exposition describes Spooner’s practice in terms of embodiment and occupation, before considering how the ecological implications of an artlike theatre are, firstly and finally, ethical.
Encounters in the Chthulucene: Simon McBurney’s Theatre of Compost
Authors: Ayache Solange
Published: May 2022

Looking at Simon McBurney’s award-winning solo performance The Encounter (2015), this paper examines the play’s contribution to environmental humanities through an ecocritical study of its combined use of state-of-the-art sound design and the age-old art of storytelling to address the link between the ecological and spiritual crises that we are facing. The Encounter relates the real story of the American photographer Loren McIntyre who lived with the Mayoruna tribe for six weeks in 1969 after getting lost in the Amazon rainforest. Relying heavily on sound design to take us deep into the jungle, the show addresses our relation to nature and technology and elicits our empathy to denounce the dictates of a globalised world ruled and threatened by neoliberal and neocolonial capitalistic ideologies. As the brain – and the stage – become the forest, The Encounter challenges the notions of distance and separation from the Other in favour of a deep sense of interconnectedness. Using Donna J. Haraway’s 2016 book Staying with the Trouble: Making Kin in the Chthulucene, this article sheds light on how The Encounter invites us to recognise the urgency of defining what it means to live together in “response-ability on a damaged earth” (Haraway 2) and how the intermedial, hybrid qualities of the play found not a “post-human” but, on the contrary, a “com-post” theatre piece (11).
To Be Like Water: Material Dramaturgies in Posthumanist Performance
Authors: Mosse Ramona , Street Anna
Published: May 2022

This article explores how water performs on the contemporary stage. Drawing on theorists such as Rosi Braidotti, Karen Barad, and Joanna Zylinska, we investigate water in its various dramaturgical functions as matter, medium, and metaphor to sketch performance alternatives that highlight nonhuman forms of agency. Focusing on the work of sound artist and geographer AM Kanngieser and their use of water to listen to the Anthropocene as well as on the Filter Theatre production of David Farr’s play Water (2007/2013), we want to highlight how diffraction and resonance alternately provide ways of rethinking traditional configurations of making meaning. The sonic dimension of water, in particular, turns into a productive site for manifesting the heightened relationality of the Anthropocene world. The article thus argues that the material dramaturgies of water show how the crucial interactions between science, philosophy, and performance manage to sketch new posthuman knowledge formations.
An Ecology of Plants: The Post-Manufacturing Age in Philip Ridley’s Shivered and David Eldridge’s In Basildon
Authors: Attinger Christian
Published: May 2022

The article argues that the so-called Capitalocene, proposed by Jason W. Moore, augments Anthropocenic reasoning by addressing the systemic and ideological shortcomings threatening the very basics of human existence that hitherto have so often been neglected or simply missed by “Green Arithmetic” and a naive belief in technology. The readings of Philip Ridley’s Shivered (2012) and David Eldridge’s In Basildon (2012) illustrate that the Capitalocene and its attempts at understanding the ecological and social consequences of global capitalism offer an exciting new lens for the analysis of contemporary political drama, especially with regard to the ecology of industrial plants in the post-manufacturing age.
Reforging the Rust Belt: China’s Northeast on the Silver Screen
Authors: Hou Dorothee Xiaolong
Published: May 2022

In the 1990s, China’s northeast including Liaoning, Jilin, and Heilongjiang provinces, the bastion of state-owned heavy industry, underwent a massive state-owned enterprise (SOE) reform engineered by Deng Xiaoping as part of the “Reform and Opening-up Policy,” which resulted in large-scale SOE bankruptcies and some 30 million blue-collar workers being laid off. 20 years after the reform, China’s northeast, once among the most urbanized regions in the country, has effectively become China’s “Rust Belt.” This article examines the cinematic representations of China’s Rust Belt, specifically in China’s northeast, arguing that cinema plays a crucial role in both capturing and interrogating the emergence of new urban spaces and urban subjects amidst the spatial and ideological reorientations of the reform era. It also investigates the ways in which cinematic representations, through a shifting “system of symbols,” mediate the contradictions in the production of urban spaces, cultural norms, and social identities.
miR-1273h-5p suppresses CXCL12 expression and inhibits gastric cancer cell invasion and metastasis
Authors: Wang Yi-Chen , Lu Song , Zhou Xiao-Jiang , Yang Li , Liu Ping , Zhang Lan , Hu Yuan , Dong Xian-Zhe
Published: May 2022

The aim of this study was to verify the biological function of miR-1273h-5p in gastric cancer (GC) and its underlying mechanisms. The differential expression of microRNAs between GC and tumor-adjacent normal tissues was detected using microarrays, miR-1273h-5p, and chemokine (C-X-C motif) ligand 12 (CXCL12) mRNA, and protein levels were evaluated using polymerase chain reaction and Western blotting methods, cell proliferation, apoptosis, migration, and invasion were determined by CCK-8, flow cytometry, and transwell assay. Compared to tumor-adjacent normal tissue and gastric epithelial mucosa cell line cells, miR-1273h-5p was significantly downregulated in tissues and cells of GC. The overexpression of miR-1273h-5p could inhibit cell proliferation, migration, invasion, and promote cell apoptosis; in contrast, inhibition of miR-1273h-5p expression could reverse this process. Moreover, a significant upregulation of CXCL12 was observed when the miR-1273h-5p was downregulated in GC cells. Additionally, miR-1273h-5p significantly reduces tumor volume and weight. Thus, this study suggests that miR-1273h-5p regulates cell proliferation, migration, invasion, and apoptosis during GC progression by directly binding to CXCL12 mRNA 3′-untranslational regions, which may be a novel diagnostic and therapeutic target in GC.
Gap-plasmon-driven spin angular momentum selection of chiral metasurfaces for intensity-tunable metaholography working at visible frequencies
Authors: Yang Younghwan , Kim Hongyoon , Badloe Trevon , Rho Junsuk
Published: May 2022

Tunable metasurfaces can replace conventional bulky active optical modules to realize practical flat optical devices such as lenses, LiDAR, holography, and augmented reality. However, tunable metasurfaces have generally been limited to switching between two distinct states. Here, we present liquid crystal (LC) integrated chiral metasurfaces, of which the metahologram intensity can be adjusted continuously between fully ‘on’ and ‘off’ states. The chiral metasurface consists of a gap-shifted split ring resonator (SRR), and exhibits spin angular momentum selection that reflects left-circularly-polarized light but perfectly absorbs right-circularly-polarized light (99.9%). The gap-shifted SRR realizes spin angular momentum selection using a metal–dielectric–metal multilayer structure and thereby induces a strong gap-plasmonic response, achieving the maximum calculated circular dichroism in reflection (CDR) of 0.99 at the wavelength of 635 nm. With the chiral metasurface, metaholograms are demonstrated with tunable intensities using LCs that change the polarization state of the output light using an applied voltage. With the LC integrated chiral metasurfaces, 23 steps of polarization are demonstrated for the continuous tuning of the holographic image intensity, achieving measured CDR of 0.91. The proposed LC integrated spin-selective chiral metasurface provides a new resource for development of compact active optical modules with continuously-tunable intensity.
Tellurium-based chemical sensors
Authors: Das Anjaly , Das Aparna , Banik Bimal Krishna
Published: May 2022

The various tellurium-based chemical sensors are described. This article focuses on four types of Tellurium sensors such as CdTe quantum dots-based sensor, Te thin films-based sensor, Te nanostructures or nanoparticles-based sensor, and TeO2-based sensor.
Questionnement sur la dualité: Quelques éléments pour fonder une sémiotique du bouddhisme
Authors: Wang Emilie(Hanchi)
Published: May 2022

Aux années soixante-dix, Roland Barthes désigne le Zen japonais par « L’empire des signes », alors que la culture chinoise par la « fadeur des signes ». François Jullien reprend ultérieurement l’idée de la « fadeur » au niveau de son sens « non dualiste » dans le cadre de la philosophie comparée. Depuis les courants poststructuraliste et déconstructionniste, de plus en plus de recherches sémiotiques et philosophiques portent sur l’étude bouddhique, dont le point nodal se situe alors dans un parallélisme au bénéfice des échanges interculturels. En vue d’une déspécialisation du jargon propre à chaque domaine, il semble impératif de mettre en relation les concepts de base en commun. Pour mettre en évidence l’apport de l’étude terminologique et méthodologique, cet article commence par les travaux philologiques sur la « traduction » des textes bouddhiques. Ensuite, la discussion se concentre sur la « dualité » à partir de la « réception » de l’exégétique saussurienne. Il s’agit concrètement d’une étude embryonnaire sur le terme propre couple « signifiant/signifié »: l’exégétique saussurienne s’est répandue efficacement en Chine grâce aux emprunts à la terminologie bouddhique (neng/suo), ce qui offrirait une perspective positive vis-à-vis du dialogue interculturel. En même temps, il serait aussi possible de traduire les termes bouddhiques par le biais sémiotique en regard d’une osmose transdisciplinaire.
Building equal partnerships: The Student Engagement Associate scheme at the University of Nottingham
Authors: Obadare Ololade , Kohli Taapsi , Watts Matthew , Lymath Dean
Published: May 2022

The Student Engagement Associate scheme at the University of Nottingham showcases the impact of student-staff partnerships for positive change. Through these partnerships, the scheme has managed to produce innovative projects that underpin the institution’s core principles and has fostered a sense of equality and community between its staff partners and students. In the academic year of 2019/20, twenty students from diverse backgrounds were employed as student engagement associates and involved in projects such as the Digital Conduct module, the Equality, Diversity, & Inclusion (EDI) booklet, and the development of Student Reviewers, a scheme supporting pedagogic innovation.
Toward redressing inequities through partnership: A critical assessment of an equity-focused partnership initiative
Authors: Marquis Elizabeth , Carrasco-Acosta Emily , De Bie Alise , Krishna Prasad Srikripa , Wadhwani Sneha , Woolmer Cherie
Published: May 2022

There is growing recognition of the potential for student-faculty/staff partnerships to attend to and redress inequities within postsecondary education. As a result, there are an increasing number of partnership initiatives and programs that foreground principles of equity and justice in their design and delivery. This article reports findings from research that assessed an equity-focused partnership initiative, piloted in 2019, at a research-intensive Canadian institution. We describe the distinctive features of the pilot, including our efforts to enhance equity in and through recruitment and support for student and faculty participants during the pilot, and report findings pertaining to outcomes, process indicators, and positionality and social location. The findings suggest tentatively positive outcomes for participants and contribute to existing scholarship by raising important complexities and limitations relating to issues of access, support, and scale of equity-focused partnerships.
Multiscale modeling investigation into the thermal conductivity dynamics of graphene-silver nano-composites: a molecular dynamic study
Authors:   Physics Department, Government University Faisalabad, Pakistan, Anjum Q. , Nasir N. ,   Department of Applied Sciences, National Textile University Faisalabad, Pakistan, Cheema S. A. ,   Department of Applied Sciences, National Textile University Faisalabad, Pakistan, Imran M. ,   Physics Department, Government University Faisalabad, Pakistan, Rahman A. R. ,   Department of Statistics, Quaid-e-Azam University Islamabad, Pakistan, Tanveer Z. ,   Physics Department, Government University Faisalabad, Pakistan, Amin N. ,   Physics Department, Government University Faisalabad, Pakistan, Anjam Y. N. ,   Physics Department, Government University Faisalabad, Pakistan
Published: May 2022

This research primarily aims at the in-depth exploration of thermal conductivity dynamics of Graphene-Silver (C-Ag) nano-composites on various parametric fronts. The parametric settings and resultant experimental states are mimicked by the rigorous launch of molecular dynamic (MD) simulations with Green-Kubo multiscale modeling approach. The enumeration of thermal conductivity of C-Ag nano-composites is instigated along with three orientations that is C-Ag (1 0 0), C-Ag (1 1 0) and C-Ag (1 1 1). Further, the conductive subtleties are expounded with respect to numerous factors of practical concerns such as, temperature, length of composite, composite width and number of Ag layers.
Preparation and characterization of ZnO nanoparticles incorporated by mechanical milling into cellulose for electrical insulator applications
Authors:   Chemistry Department, College of Science, IMSIU (Imam Mohammad Ibn Saud Islamic University), P.O. Box 5701, Riyadh 11432, Saudi Arabia, Guesmi A. , Abdulfattah W. ,   Chemistry Department, College of Science, IMSIU (Imam Mohammad Ibn Saud Islamic University), P.O. Box 5701, Riyadh 11432, Saudi Arabia, ben Ticha M. ,   Department of Early Childhood, University College of Turabah, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia, Algathami F. K. ,   Chemistry Department, College of Science, IMSIU (Imam Mohammad Ibn Saud Islamic University), P.O. Box 5701, Riyadh 11432, Saudi Arabia, Aouadi K. ,   Laboratory of Heterocyclic Chemistry, Natural Products and Reactivity (LR11ES39), Faculty of Science of Monastir, University of Monastir, Avenue of Environment, 5019 Monastir, Tunisia, El Ghoul J. ,   Chemistry Department, College of Science, IMSIU (Imam Mohammad Ibn Saud Islamic University), P.O. Box 5701, Riyadh 11432, Saudi Arabia, Houas A. ,   Laboratoire de Catalyse et Matériaux pour l'Environnement et les Procédés LRCMEP (LR19ES08) Faculté des Sciences de Gabès/ Université de Gabès - Campus Universitaire 6072 Gabès- Tunisia, Ben Hamadi N. ,   Chemistry Department, College of Science, IMSIU (Imam Mohammad Ibn Saud Islamic University), P.O. Box 5701, Riyadh 11432, Saudi Arabia
Published: May 2022

In this work, a novel composite material based on ZnO nanoparticles incorporated into cellulose polymers has been designed and prepared. For this purpose, the ex-situ prepared ZnO nanoparticles were dispersed into cellulose using mechanical milling. The effect of the percentage of ZnO nanoparticles doping into the prepared composite was studied. Dielectric properties of composite, as influenced by the compaction density, the level of ZnO nanoparticles doping into cellulose, and the temperature, were characterized using a liquid test fixture, a precision inductance capacitance and resistance meter at a radio frequency ranging from 5 to 30 MHz. It has been shown that ε and ε respectively correspondent to the dielectric constant and the loss factor of composite were affected by level of ZnO nanoparticles, compaction density and temperature of the samples. Both ε and ε increased with increasing the temperature and the level of ZnO nanoparticles, but decreased with increasing the frequency.
Fabrication of nickel magnetic nanoparticles by combination of polyol and hydrothermal processes
Authors:   Department of Materials Science, Heat and Surface Treatment, School of Materials Science and Engineering, Hanoi University of Science and Technology No.1, Dai Co Viet street, Hanoi, Vietnam, Minh N. N. , Quyen H. T. N. ,   Department of Foundry Materials and Technology, School of Materials Science and Engineering, Hanoi University of Science and Technology No.1, Dai Co Viet street, Hanoi, Vietnam, Xuan T. T. ,   Department of Materials Science, Heat and Surface Treatment, School of Materials Science and Engineering, Hanoi University of Science and Technology No.1, Dai Co Viet street, Hanoi, Vietnam
Published: May 2022

Nickel magnetic nanoparticles have been successfully fabricated by combination of polyol process and hydrothermal treatment. In this research, the formation of Ni nanoparticles was determined by X-ray diffraction (XRD) and Ultraviolet–visible spectroscopy (UVVis). The morphology and size of nanoparticles were observed by using Transmission Electron Microscopy (TEM) while magnetic property of Ni nanoparticles have been characterized by vibrating sample magnetometer (VSM). The results indicate that the synthesized Ni nanoparticles are in spherical shape and the sizes of nanoparticles are in range from 3.1 nm to 5.7 nm depending on concentration of Ni2+ ions. The magnetization study in nickel nanoparticles shows ferromagnetic interaction but close to superparamagnetic state and the magnetization decreases with the size reduction.
Theoretical investigation of doped LiMg1-xYxN (Y = Ag, Cu, Mn, Zn) for RRAM application
Authors:   Institute of Physics,The Islamia University of Bahawalpur, Pakistan, Kiran S. , Rasheed U ,   Materials Simulation Research Laboratory (MSRL), Department of Physics, Bahauddin Zakariya University Multan Pakistan, 60800, Imran M. ,   Department of Physics, Govt. College University Faisalabad, 38000, Pakistan, Hussain F. ,   Materials Simulation Research Laboratory (MSRL), Department of Physics, Bahauddin Zakariya University Multan Pakistan, 60800, Niaz N. A. ,   Materials Simulation Research Laboratory (MSRL), Department of Physics, Bahauddin Zakariya University Multan Pakistan, 60800, Khera E. A. ,   Department of Physics Bahawalnagar Campus, The Islamia University of Bahawalpur, 63100 Pakistan, Khalil R. M. ,   Materials Simulation Research Laboratory (MSRL), Department of Physics, Bahauddin Zakariya University Multan Pakistan, 60800, Nazir A. ,   Institute of Physics,The Islamia University of Bahawalpur, Pakistan
Published: May 2022

With the assistance of a First Principles research based on density functional theory, electronic and optical characteristics of the LiMg1-xYxN (Y = Ag, Cu, Mn, Zn) are examined. The influence of magnetic (Mn, Zn) and non-magnetic (Ag, Cu) dopants without and with nitrogen vacancies (VN) on the electronic and optical characteristics of optimized LiMgN is investigated by determining the contribution of each atom towards charge redistribution. The isosurface charge density and integrated charge density plots depicted the development of conduction filaments. Electronic properties showed best conductivity that makes the studied composites vibrantly useful for resistive switching memory applications. The optical analysis showed that considered composite possess conductivity and absorptivity in a wide range of incident photon energies with their nominal reflectivity. The least formation energy and greatest conductivity observed in LiMgN-Mn-VN proved it to be the most stable. Entire analyses portray that considered compounds are potential candidates for applications in optoelectronic devices.
Study the structural and electrical properties of prepared PANI/TiO2 nanocomposites for electronic devices
Authors:   Polymer research center, University of Basrah, Basra, Iraq, Talib R. A. , Mohammed K. A. ,   Department of Medical Physics, Hilla University College, Babylon, Iraq, Thbayh D. K. ,   Polymer research center, University of Basrah, Basra, Iraq
Published: May 2022

Structural and electrical properties of pure Polyaniline (PANI), that doped with dodecyl benzene sulfonic acid (DBSA) and nanocomposite films Synthesized by insitu chemical polymerization method in the presence of TiO2 nanoparticles. All the prepared samples have been investigated by x-ray diffraction (XRD), fuorier transformation infra-red (FTIR), and electrical conductivity studies. The results noticeably establish that the composites films have good crystallinity increase with increasing the TiO2 content in the polymer matrix. Also, there are physiochemical interactions between PANI and TiO2 nanoparticles that revealed by FTIR tests.
Impact of add-back FSH on human and mouse prostate following gonadotropin ablation by GnRH antagonist treatment
Authors: Deiktakis Eleftherios E , Ieronymaki Eleftheria , Zarén Peter , Hagsund Agnes , Wirestrand Elin , Malm Johan , Tsatsanis Christos , Huhtaniemi Ilpo T , Giwercman Aleksander , Giwercman Yvonne Lundberg
Published: May 2022

Objective

During androgen ablation in prostate cancer by the standard gonadotropin-releasing hormone (GnRH) agonist treatment, only luteinizing hormone (LH) is permanently suppressed while circulating follicle-stimulating hormone (FSH) rebounds. We explored direct prostatic effects of add-back FSH, after androgen ablation with GnRH antagonist, permanently suppressing both gonadotropins.

Methods

The effects of recombinant human (rFSH) were examined in mice treated with vehicle (controls), GnRH antagonist degarelix (dgx), dgx + rFSH, dgx + flutamide, or dgx + rFSH + flutamide for 4 weeks. Prostates and testes size and expression of prostate-specific and/or androgen-responsive genes were measured. Additionally, 33 young men underwent dgx-treatment. Seventeen were supplemented with rFSH (weeks 1–5), and all with testosterone (weeks 4–5). Testosterone, gondotropins, prostate-specific antigen (PSA), and inhibin B were measured.

Results

In dgx and dgx + flutamide treated mice, prostate weight/body weight was 91% lower than in controls, but 41 and 11%, respectively, was regained by rFSH treatment (P = 0.02). The levels of seminal vesicle secretion 6, Pbsn, Nkx3.1, beta-microseminoprotein, and inhibin b were elevated in dgx + rFSH-treated animals compared with only dgx treated (all P < 0.05). In men, serum inhibin B rose after dgx treatment but was subsequently suppressed by testosterone. rFSH add-back had no effect on PSA levels.

Conclusions

These data provide novel evidence for the direct effects of FSH on prostate size and gene expression in chemically castrated mice. However, in chemically castrated men, FSH had no effect on PSA production. Whether FSH effects on the prostate in humans also require suppression of the residual adrenal-derived androgens and/or a longer period of rFSH stimulation, remains to be explored.
Antique civilization: the birth of a polis state
Authors:   Ukrainian State University of Science and Technology (Dnipro), Tarasevych Viktor
Published: May 2022

This article continues the series of publications on the universum evolution of ancient civilization, its subcivilizations and is devoted to the consideration of controversial socio-economic and political processes in the Athenian area of Ancient Greece in the second half of the 8th - the first half of the 4th century. BC e. Attention is focused on the characteristics of the important stages of state formation in Athens. It is shown that the accelerated development of market and commodity-money relations in the 7th - 6th centuries. BC e., catalyzed, among other things, by the great colonization, multiplies the ranks of unborn, but rich artisans, merchants, merchants, usurers, debtor fetes, contributes to the displacement of patriarchal slavery by the classical one. The deepening gap between the changed and growing economic role of these clusters and their political lack of rights, as well as the split of Eupatrides into marketers and traditionalists, stimulated important pro-state reforms, including the codification of customary law, the establishment of courts, the beginning of the formation of administrative-territorial districts that do not coincide with the tribal territorial division. It is shown that the decomposition of the tribal system took place with the participation of the tribal nobility itself, pursuing selfish interests, which led to the victory of the diacrii and the emergence of the state. The role of Solon’s political activity in the formation of the Athenian state, the tyranny of Peisistratus, the reforms of Cleisthenes-Pericles, which contributed to the birth of the polis-state, are analyzed. And if in the overwhelming majority of cases political regimes drift from democracy to authoritarianism and totalitarianism, then in Athens, on the contrary, democratization dominates. It is concluded that it is with the reforms of Pericles in Athens that the formation of a democratic system in its classical form is completed.
Practical approaches to ensuring outcomes consistency of the international technical assistance programs in Ukraine
Authors:   USAID/DOBRE Program  in the Central and Eastern Region 10-B, Mechnykova Str., Dnipro, 49000, Ukraine, Nahornyi A. I.
Published: May 2022

Based on more than ten years of author’s experience in international technical assistance programs, the paper considers the problem of ensuring the sustainability of their outcomes. The author substantiates the position that international technical assistance in Ukraine significantly helps the development and modernisation of certain social spheres. However, effectiveness may vary depending on specific projects/programs and specific project teams. In addition, the author argues that international technical assistance in Ukraine requires greater coordination from the government and the direct participation of representatives of relevant ministries to be able to scale, monitor and evaluate effectiveness. The article provides an example of a specific local development tool proposed and tested over the six years of the USAID/DOBRE Program that can be scaled up at the national level. Experts’ attention may be drawn to the classification of factors that hinder the sustainability of international technical assistance programs/projects in Ukraine regarding aid recipients, donor organisations and the state. The author analysed the positions of Ukrainian scientists and the international donor organisations’ approaches on the content of the concept: outcomes sustainability of international technical assistance programs and investigated the criteria for determining their effectiveness. The concept of “The phenomenon of the financial absolutism illusion” was discovered and introduced into scientific circulation for the first time. The author also outlined the socio-psychological barriers that prevent Ukrainian communities from reaping the full benefits of local development instruments provided by donor countries. In addition, the author proposed some practical measures that will optimise the process of providing international technical assistance in Ukraine.
The research on public activists’ values under the conditions of current transformations in Ukraine
Authors:   Zaporizhzhia National University 66, Zhukovskщoho Str., Zaporizhzhia, 69600, Ukraine, Rus-Poltavskaya A. V.
Published: May 2022

The article presents the research results on the values of the members of the public movement “Centres for Civic Initiatives” (CCI). The research was conducted in the fall of 2021. The activities of these CCI are done through the self-organisation of citizens at the local level. The activists themselves identify socially significant issues, set goals, and their implementation. This is the most branched public organisation with its centres throughout Ukraine. The research geography covers all regions of Ukraine (10 regions and the city of Kyiv). Research in such public organisations (scale, self-organisation, self-sufficiency) has not been previously conducted. This is the uniqueness of this study. In this research, it was assumed that the respondents selected for the survey (leaders and ordinary members of the organisation) are the most conscious and decisive part of Ukrainians, who, by their actions, claim to solve complex problems of social construction in the context of the general socio-economic crisis. Therefore, they were chosen as information providers for the issues under study. The study was conducted based on M. Rokeach’s methodology (list of terminal and instrumental values). The study shows the hierarchy of respondents’ values. Most of the members of the public movement “Centres for Civic Initiatives” believe that the value system is the moral norms and priorities of the individual, which serve as a motivating factor in their lives. According to respondents, the top ten values include the following: health, material well-being, family, love, life wisdom, responsibility, efficiency in business, honesty, responsiveness, and cheerfulness. The study focuses on the fact that such public organisations as CCI, which are considered here, are necessary for the conditions of global socio-economic transformations since their activities are aimed at protecting the interests of the country and individual groups of citizens; these activities are of practical importance and produce socially significant results at the local level. The study highlights that to implement of socially significant tasks, suprapersonal rather than individual values must dominate a person participating in social activities. The researcher puts forward a working hypothesis: among civic activists, suprapersonal values (responsibility, responsiveness, happiness of others) dominate over individual ones. The article gives definitions of the concepts “system of values”, and “suprapersonal values”. This study was carried out in order to determine the dominant values of socially active citizens of Ukraine – the members of the CCI in the context of global socio-economic transformations.
Religious minorities in Ukraine: current issues
Authors:   Research institute of socio-economic city development 37-A, Heroiv Sevastopolia Str., Kyiv, 03061, Ukraine, Pyvovarova N. P. , Tytarenko V. V. ,   Institute of Philosophy, National Academy of Sciences of Ukraine 3–A, Malynovskoho Str., Kyiv, 04212, Ukraine, Fylypovych L. O. ,   Institute of Philosophy, National Academy of Sciences of Ukraine 3–A, Malynovskoho Str., Kyiv, 04212, Ukraine
Published: May 2022

The article presents the results of a sociological study on the main issues relevant to religious minorities in modern Ukraine. The main ones are legal aspects related to legislation, state registration, acquiring the status of a legal entity, obtaining or acquiring land for use or construction of a religious building, etc. Among other pressing problems faced by religious minorities in their lives and activities are social, humanitarian (including educational), and economic (property, financial). Respondents – believers representing religious minorities reported violations of the right to provide for the religious needs of believers during military service (in particular, chaplaincy); harassment in the exercise of the right to participate in charitable activities (including volunteering, in particular, to work with at-risk groups – people with drug and alcohol addictions, former prisoners, etc.); difficulties with the exercise of the right to acquire and use religious objects, in particular, the restriction of the “permissible” list of objects to be imported by Christian, mostly Orthodox, tradition; violation of the right of believers representing religious minorities to self-expression and/or prejudice of the public and/or denial of employment due to the appearance of believers, under the requirements of the faith; presentation of unverified or biased information about religious minorities in the media as a source of negative public opinion concerning religious minorities. The article concludes that the state policy in the religious sphere on religious minorities is insufficiently developed, which slows down the process of Ukraine’s integration into the European international community and strengthens the marginalization of religious minorities. Moreover, the realization of the rights and freedoms of religious minorities requires the cooperation of experts, civil servants, the media, and believers of religious minorities.
Digest of U-Report surveys: 1st quarter of 2022 (national cinema, digital professions, youth in war: security and volunteering, financial assistance)
Authors:   NGO “Ukrainian Institute for Social Research after Olexander Yaremenko” 26, Panasa Myrnoho Str., Kyiv, 01011, Ukraine, Demchuk V. S.
Published: May 2022

The paper dwells upon the results of surveys of the innovative youth project U-Report for January– March 2022: national cinema, trends of the new digital professions among young people; youth in war: security and volunteering, financial assistance.
Timing of Circumcision and Breastfeeding Frequency: A Multicenter, Randomized Clinical Trial
Authors: Mondzelewski Lisa , Mu Thornton , Michalski Amy , Ward Josiah , Cheng Laura , Chen Matthew , Riffenburgh Robert , Holmes Alison
Published: May 2022

OBJECTIVE

To date, there is little in the literature that describes any relationship between newborn circumcision, its timing, and breastfeeding outcomes. We sought to determine if the timing of circumcision in term, healthy newborns affects exclusive breastfeeding rates during the first 6 months of life.

METHODS

One hundred and forty-eight maternal-infant dyads were enrolled in a randomized, multicenter, clinical trial between June 2016 and July 2019. Study participants included parent-infant dyads who desired both circumcision and breastfeeding. Newborns were randomized into 3 groups for circumcision: “early,” circumcised within 24 hours of delivery; “intermediate,” circumcised between 24 to 72 hours of age; and “late,” circumcised between 1 and 3 weeks of age. The primary outcome was exclusive breastfeeding duration, assessed at discharge, 2 weeks, and 2, 4, and 6 months.

RESULTS

Baseline characteristics between groups were similar. Exclusive breastfeeding decreased more rapidly over 6 months in the intermediate group (by 74%, 89% to 23%), as compared to the early (by 34%, 81% to 53%) or late (by 50%, 88% to 44%) groups (P = .04). Exclusive breastfeeding was less common in the intermediate group (circumcision between 24 and 72 hours), as compared to the early and late circumcision groups, at each measured time point beyond 2 weeks of age.

CONCLUSIONS

Circumcision before 24 hours of age may be advantageous with respect to increased exclusive breastfeeding throughout the first 6 months of life. Deferral of circumcision beyond the immediate newborn period was not superior to performing the procedure within the first 24 hours.
FLEBOTOMÍNEOS (PSYCHODIDAE: PHLEBOTOMINAE) EN LA ZONA PERIURBANA DE MONTERÍA (CÓRDOBA- COLOMBIA)
Authors: Urango LLanes Harold Jadit , HOYOS LOPEZ RICHARD
Published: May 2022

El objetivo de este trabajo fue determinar la diversidad de flebotomíneos (Diptera: Psychodidae) en la zona peri-urbana de Montería, (Córdoba-Colombia). Los especímenes se colectaron en cuatro localidades alrededor de Montería con trampas CDC y aspiradores bucales durante febrero y junio de 2018. Los individuos se fragmentaron y aclararon con lactofenol para su posterior identificación mediante claves taxonómicas especializadas. Se estimó la diversidad con el índice de Shannon-Wiener, las localidades se compararon usando la distancia de Bray-Curtis y se cuantificó la riqueza con los índices de Chao 2 y Jacknife 2. Se identificaron seis especies: Micropygomyia cayennensis, Lutzomyia gomezi, Pintomyia rangeliana, Micropygomyia micropyga, Psathyromyia shannoni y Pintomyia evansi. Los sitios de muestreo fueron similares en cuanto a diversidad. Se concluye que la zona peri-urbana de Montería está habitada por especies generalistas de dípteros de la familia Psychodidae que constituyen un riesgo epidemiológico. La riqueza en el área se ve afectada por las características propias de las especies encontradas.
Mitos y realidades de Colombia y Perú: debilidades estructurales de las estrategias en las políticas de la lucha contra el narcotráfico y las agendas de paz frente al complejo de regímenes internacionales
Authors: Devia Garzón Camilo Andrés , Ortiz-Morales Catherine
Published: May 2022

Este artículo tiene como objetivo analizar las particularidades y las debilidades en materia de poder (capacidades) y desarrollo de Colombia y Perú para la consolidación de sus estrategias de erradicación de cultivos ilícitos en el marco de sus agendas de paz, dado el complejo de regímenes sobre desarrollo y lucha contra las drogas. Gran parte de las debilidades en sus estrategias de la lucha contra el narco- tráfico y sus agendas de paz radica en la baja capacidad para garantizar los medios para el bienestar, el progreso y el desarrollo, ante sus restringidas capacidades semimateriales, como consecuencia de su patrón de desarrollo —rentista y financiero—, que limita la cohesión interna con la provisión de servi- cios públicos y prosperidad. Así, los paradigmas de desarrollo y lucha contra las drogas responden a la lógica top-down, inscrita en la agenda temática de sus políticas exteriores, en contraposición a una lógica bottom-up que dé paso a la democratización y la politización resultante de las necesidades domésticas en la relación Estado-sociedad.
Design of a scheelite production pilot plant for the treatment of spent electroless nickel plating solutions in Field Service Solution S.A.S.: an alternative source for tungsten recycling
Authors: Ballesteros Rodríguez Clara Cecilia , Acelas Mantilla Edgar Mauricio , Oviedo Villamizar Jenny Andrea , Quintero Niño Gilberto
Published: May 2022

In this contribution, the design considerations to assemble a pilot-plant for tungsten recovery and further conversion into synthetic scheeliteas raw material, as an eco-friendly improvement for the current electroless nickel process in Field Service Solution (FES) S. A. S., arepresented. This low-cost methodology scale-up aims to provide an alternative treatment for spent electroless nickel solutions (Ni-P-W) asa secondary tungsten source. The plant is projected to treat up to 750 L of industrial waste per week, achieving a maximum scheeliteproduction of 9.1 kg per week. This prototype serves as a model of eco-sustainability in the nickel-plating industry by controlling thedisposal of heavy metals and by facilitating the production of other tungsten derivatives and their feasible reuse in the process.
Study on alumina ball size distribution in white cement grinding
Authors: Bustamante Rúa Moises Oswaldo , Rivera Madrid Ismael Eduardo , Palacio Bedoya Juan Luis , Rincón Fulla Marlon , Lopera Sepúlveda Alex Arbey , Osorio Correa Adriana Marcela , Menéndez Aguado Juan María
Published: May 2022

This paper presents the results of the characterization of alumina ball size distribution in the mill of a crushing and grinding plant. The mill was unloaded and the balls were sieved. Then, the results were adjusted to three kinds of models; two of them are the traditional models of Rosin-Rammler and Gates-Gaudin-Schumann. The third model applied was the Swebrec distribution function, which has been successfully used on fragmented rock size distribution. The best adjustment for the ball size distribution was obtained by the Swebrec function, with a correlation coefficient of 0.9984.
Effects of pretreatment and leaching medium on the extraction efficiency of Au and Ag from a chalcopyrite leaching by-product
Authors: Garza Román Marleth Roxana , Carrillo Pedroza Francisco Raúl , Picazo Rodríguez Nallely Guadalupe , Soria Aguilar Ma. de Jesus , Guzmán Isaías Almaguer , Chaidez Félix Josué
Published: May 2022

Precious metals such as gold (Au) and silver (Ag) are essential to our modern society due to their unique properties, such as high conductivity and physical and chemical resistance. They are teofn concentrated in by-products during the extraction of base metals. In the present work, a chalcopyrite leaching residue, constituted mainly of elemental sulfur and jarosites, was subjected to different pretreatments and leached with different leaching media to recover Au and Ag. The solid residue was pretreated by desulfurization,peroxidation,desulfurization+peroxidation and leached with cyanide, cyanide+glycine, and glycine. For comparison, samples without pretreatment were also leached using the same leaching media. Changes in the mineralogical species were followed to explain the effects of pretreatment and leaching medium on the dissolution of Au and Ag. Results indicate that the highest extraction of gold and silver (Au:99.50%, Ag:46.71%) is achieved by using a combined desulfurization+peroxidation pretreatment and cyanide as leaching medium.