bluuebunny/crossref_metadata_2025 huggingface dataset:
Stability analysis of an SIR model with alert class modified saturated incidence rate and Holling functional type-II treatment
Authors: Sharma Shivram , Sharma Praveen Kumar
Published: May 2023

This study discusses an SIR epidemic model with modified saturated incidence rates and Holling functional type-II therapy. In this study, we take the new alert compartment (A) in the SIR compartment model. Consider the modified non-linear incidence rate from the susceptible to the infected class and the second non-linear incidence rate from the alert to the infected class. Further, we investigate the elementary reproduction number, the equilibrium points of the model, and their stability. We apply manifold theory to discuss bifurcations of the disease-free equilibrium point. This study shows that the infected population decreases with the Holling functional type II treatment rate. It also shows that the number of infected people decreases when the psychological rate increases and the contact rate decreases.
Rethinking Agency in the European Debate about Virginity Certificates: Gender, Biopolitics, and the Construction of the Other
Authors: Tack Saartje
Published: May 2023

Several European countries have taken measures to discourage or ban physicians from issuing virginity certificates to migrant women, with the stated aim of protecting these women from oppression. Arguments against the practice are centred around questions of medical ethics, gender inequality, and autonomy. What underpins these arguments is an evaluation of whether women have a choice in matters related to their sexuality. This article shows that the reasons provided for why virginity certificates should not be issued can similarly be applied to the prescription of erectile dysfunction medication, yet the latter practice remains largely unquestioned. It argues that the discrepancy in approaches to both practices points to an a priori understanding of migrant women as non-agentic, grounded in racial gendered norms, and that agency is mobilised as a biopolitical tool to Other migrant women and communities. Current approaches towards virginity certificates thus replicate the oppression of the migrant women they (cl)aim to liberate.
Transformation of eggshell waste to egg white protein solution, calcium chloride dihydrate, and eggshell membrane powder
Authors: Strelec Ivica , Ostojčić Marta , Brekalo Mirna , Hajra Sugato , Kim Hoe-Joon , Stanojev Jovana , Maravić Nikola , Budžaki Sandra
Published: May 2023

The present study investigated the possibility of complete utilization of eggshell waste (ESW) transforming it to adherent egg white protein solution, calcium chloride dihydrate, and eggshell membranes (ESM). Adherent egg white protein solution was obtained by washing ESW three times with distilled water at 25°C, followed by filtration, and analyzed for the protein content and lysozyme activity. ESM and calcium chloride were obtained simultaneously by the exposure of washed eggshells to 5% hydrochloric acid treatment at 25°C for 3 h, followed by separation by filtration. The separated ESM were washed, dried, and milled to powder and analyzed for protein and lipid content. The calcium chloride solution was exposed to the neutralization of excess hydrochloric acid by calcium hydroxide, followed by evaporation to one-tenth of volume. Calcium chloride crystals were precipitated from the concentrated solution with acetone, separated by filtration, dried at 110°C, and analyzed for chemical composition and purity. The obtained results revealed that 100 g of ESW can be transformed to 1.61 ± 0.34 g of adherent white proteins containing 485,821 U of lysozyme activity, 2.84 ± 0.16 g of ESM powder, and 108.74 ± 3.62 g of calcium chloride dihydrate of high purity.
Effect of essential oils on the oxidative stability of sunflower oil during storage
Authors: Causevic Amir , Omeragic Elma , Maestro Daniel , Causevic Mirela
Published: May 2023

The main non-microbial cause of quality deterioration in lipid-containing food is lipid oxidation, the process in which, simplifying, unsaturated fatty acids react with molecular oxygen via a free radical mechanism. The use of substances with antioxidant properties during the manufacturing process can minimize the extent of lipid oxidation.

This research aimed to determine the effect of selected essential oils on the quality and oxidative stability of sunflower oils. Sunflower oils were obtained by refining and cold-pressing and their quality and oxidative stability were studied during the different storage conditions: 20 °C and 5 °C at dark and with light exposure.

Obtained results suggested that the antimicrobial and antioxidant properties of essential oils can positively affect the oxidative stability and consequently the quality of sunflower oils during storage, and implicate with further application of essential oils in the edible vegetable oil industry.
Protein transport along the presequence pathway
Authors: Makki Abhijith , Rehling Peter
Published: May 2023

Most mitochondrial proteins are nuclear-encoded and imported by the protein import machinery based on specific targeting signals. The proteins that carry an amino-terminal targeting signal (presequence) are imported via the presequence import pathway that involves the translocases of the outer and inner membranes – TOM and TIM23 complexes. In this article, we discuss how mitochondrial matrix and inner membrane precursor proteins are imported along the presequence pathway in Saccharomyces cerevisiae with a focus on the dynamics of the TIM23 complex, and further update with some of the key findings that advanced the field in the last few years.
De–NO
x
conversion of selective catalytic reduction system for diesel engine using dual catalyst coated ceramic monoliths
Authors: Karaiellapalayam Palanisamy Devakaran , Jayabalan Arunshankar
Published: May 2023

Selective Catalytic Reduction (SCR) is a well-known method for reducing Oxides of Nitrogen (NO
x
) emissions from the exhaust manifold of the engine. Retrofitting SCR system to the diesel engines and, enhancing the catalyst activity along with injection controller of this system has become necessary because of stringent emission standards. In this work, dual catalyst is used to increase catalytic activity and, controlled urea injection is applied to decrease the slip of SCR system for stationary diesel engine. First, a pair of ceramic monolith substrate is selected and, coated with cerium oxide and Cu–zeolite for oxidation and SCR catalyst, respectively. XRD, BET and TGA–DSC are used to analyze the structural, and electrochemical behavior of the synthesized catalyst. The morphology and element composition of dual catalyst coated over the substrates are studied using FE-SEM and XEDS. Second, the thermocouple and rotary encoder are used to control the injector of SCR system, which injects the urea when the burned NO
x
leaves the engine exhaust manifold and enters the SCR. Finally, the diesel engine performance indicators and emission reduction due to the SCR system are evaluated under Non Road Steady Cycle (NRSC). From the experimental results, it is observed that the combined action of catalyst provides wide operating range between 153 and 425 °C and, controlled urea injection at 220° of exhaust valve opening with rate of 24.44 ms per cycle achieved a high De–NO
x
conversion efficiency of 93.4 % for SCR system, with a marginal reduction in engine Brake Thermal Efficiency (BTE) at maximum Brake Power (BP) condition. Thus, diesel engine exhaust retrofitted with SCR system proposed in this work will meet the Euro-VI emission standards.
Functions, sociocultural explanations and conversational influence of discourse markers: focus on zenme shuo ne in L2 Chinese
Authors: Chen Xi , Ren Wei
Published: May 2023

This study explores the ways that L2 learners develop their knowledge in understanding the pragmatic functions of a Chinese discourse marker (DM), zenme shuo ne (‘how to say’), and examines three interrelated aspects in pragmatic knowledge of this DM. Using metapragmatic interviews, emic data are collected from sixteen L2 Chinese learners and nineteen L1 Chinese speakers. The data are analysed using both qualitative methods and computational models. The findings reveal that L2 learners identify a different range of DM functions from L1 speakers. They attribute their function identification to concerns about self-face and speaker-centred interpersonal relationships, in contrast to L1 speakers, who refer to moral norms and indirect interpersonal relationships between the hearer and a third party. The different interpretations that L1 and L2 participants develop for the DM have given rise to different expectations of conversational directions. L2 learners are consistently more optimistic about upcoming conversations than L1 speakers.
Comparison among OOK, BPSK, DPSK, and QPSK with turbulence in FSO links
Authors: Pande Tanuja , Shukla Narendra Kumar
Published: May 2023

Free Space Optical (FSO) statement connection be a mark of view for the wire free connection among the lumps detached through a freehand intermediate so that the viewable and electromagnetic groups of the range are utilized as information transporter. The turbulence in an FSO link causes fluctuation in the intensity and the phase of the received signal. These fluctuations ultimately lead to the degradation in the link error probability and limit the system performance. This paper first focuses on survey of FSO system, modulation techniques used and environmental effects on link performance, while using different modulation techniques and turbulence models. In early days, it has been noticed that the vast renewal of investigation attention in this area possible to build FSO commercially feasible and observing into this prospect, information cadence approaches are one of the initial paths to improve connection feasibility. In this paper, we have applied the novel approach that is turbulence FSO for differentiation among OOK, BPSK, DPSK, and QPSK that has been analyzed. By comparison we found that BPSK approach is far better than all the other approaches in turbulence FSO connection. We use both theoretical analysis and MATLAB simulation to examine the BER performance. Here, the results have been mentioned for FSO system at different modulation format by taking values of the various parameters like: Data rate, Transmitter Wavelength, Aperture area, Transmitted power, Sigma. The contribution of the paper is to give a novel approach which is better than earlier approach in aspect of accuracy. The BER pursuance has been analyzed in aspect of distinct four approaches to remove the turbulence for its differentiation. The novelty of the system is that this paper analyzes the bit error rate of the FSO system using OOK, BPSK, DPSK, QPSK, and 8-PSK. It is appropriate as compared to the other systems it compensates lowest penalty rate as compared to other schemes that is why it is used for FSO turbulent system. This paper proposes adoptive transmission modulation technique gamma–gamma.
The AccuFlow sensor: a novel digital health tool to assess intrapartum blood loss at cesarean delivery
Authors: Lord Megan G. , Gould Alexander J. , Clark Melissa A. , Rouse Dwight J. , Lewkowitz Adam K.
Published: May 2023

Objectives

During obstetric hemorrhage, peripheral vasoconstriction maintains heart rate and blood pressure until compensatory mechanisms are overwhelmed and patients deteriorate rapidly. Real-time perfusion measurements could quantify vasoconstriction, improving early recognition of hemorrhage and facilitating early intervention to reduce morbidity and mortality. The AccuFlow device makes rapid, non-invasive, quantitative measurements of perfusion, but has not been studied for hemorrhage detection or used in surgical settings. This study evaluated feasibility, tolerability, and preliminary efficacy of the AccuFlow for assessment of blood loss at cesarean delivery (CD).

Methods

In this pilot study, sensors were applied to the wrist, forearm, bicep, and chest wall of 25 patients undergoing scheduled CD. Postoperatively, sensors were removed and patients rated the AccuFlow and the standard anesthesia monitoring equipment on a validated comfort rating scale for wearable computers (CRS). Blood loss was estimated by the surgical team (EBL) and calculated from change in hematocrit, weight, and height (CBL). CRS scores were compared via Wilcoxon signed ranks tests. Coefficients of correlation between sensor readings and CBL, and between EBL and CBL, were compared using Fisher’s R-to-z transformation.

Results

There were no safety events; no participants requested device removal. CRS ratings of the AccuFlow and the standard monitoring equipment were similar (7.2 vs. 8.8, p=0.25). Change in wrist perfusion from delivery to dressing placement was more strongly correlated with CBL than was EBL (R=−0.48 vs. R=0.087, p=0.03).

Conclusions

The AccuFlow sensor is well-tolerated and shows promise in detecting intrapartum hemorrhage, though larger studies are needed.
New records of the Annamite striped rabbit in Ngoc Linh, Quang Nam and Kon Tum provinces, Vietnam
Authors: Nguyen Anh Tuan , Tilker Andrew , Le Khac Quyen , Le Minh
Published: May 2023

The Annamite striped rabbit Nesolagus timminsi is an Endangered lagomorph endemic to the Annamite mountain range in Vietnam and Laos. We report new records of the Annamite striped rabbit from the elevations of 967–1210 m (mean = 1097 m) in the Ngoc Linh Mountains in Quang Nam and Kon Tum provinces, central Vietnam, located south of the southernmost known records in the central Annamites part of the species’ range. We also document previously unreported incidents of Annamite striped rabbit being caught for the pet trade. Our findings provide additional information on the distribution and threats to this little-known species that can be used to inform conservation measures.
The crystal structure of fac-tricarbonyl(2-pyridin-2-yl-quinoline-κ2
N,N′)-(pyrazole-κN)rhenium(I)nitrate, C20H14N4O3ReNO3
Authors: Sithole Sibusiso A. , Malan Federick P. , Katerere David R. , Manicum Amanda-Lee E.
Published: May 2023

C
20

H
14

N
4

O
3

${\mathrm{C}}_{20}{\mathrm{H}}_{14}{\mathrm{N}}_{4}{\mathrm{O}}_{3}$

Re

N
O

3

${\mathrm{N}\mathrm{O}}_{3}$

, monoclinic, P

2
1

${2}_{1}$

/c (no. 14), a = 12.9572 (2), b = 9.1568 (2), c = 17.3658 (3) Å, β = 

97.267

(
2
)

°

$97.267(2){}^{\circ}$

, V = 2043.84 (7) 

Å
3

${\mathrm{\mathring{\text{A}}}}^{3}$

, Z = 4,

R

g
t

${R}_{gt}$

(F) = 0.0231,

w

R

r
e
f

$w{R}_{ref}$

(

F
2

${F}^{2}$

) = 0.0514, T = 154 K
Araucaria Araucana
thermoplastic starch nanocomposite films reinforced with nanocellulose
Authors: Nazrin A. , Norfarhana A. S. , Ilyas R. A. , Sapuan S.M. , Khalina A. , Syafiq R. M. O. , Huzaifah M.R.M. , Azmi Ashraf , Khoo P. S. , Nordin Abu Hassan , Hawanis H. S. N. , Hassan S. A.
Published: May 2023

Araucaria Araucana
starch is a raw material with proven potential in obtaining biodegradable polymers. Plasticization improves the flexibility characteristics of starch-based films, however, they still tend to have low tensile strength and high hydrophilicity. The addition of nanocellulose is a technique to improve these characteristics. In this paper, the effects of adding different sources and concentrations of nanocellulose (NC) on the properties of thermoplastic Araucaria Araucana films are addressed. One can highlight, the main effects are the increase of tensile strength and transparency of the films along with the reduction of water vapor permeability and water solubility. Further studies involving the reinforcement of Araucaria Araucana starch and nanocellulose should be conducted to overcome the lack of information.
Phytochemicals from Annona muricata (Sour Sop) as potential inhibitors of SARS-CoV-2 main protease (Mpro) and spike receptor protein: a structure-based drug design studies and chemoinformatics analyses
Authors: Adedotun Ibrahim Olaide , Abdul-Hammed Misbaudeen , Towolawi Bamidele Toheeb , Afolabi Tolulope Irapada , Mufutau Karimot Motunrayo , Adegoke Hadijat Motunrayo
Published: May 2023

As the fight against SARS-CoV-2 remains undefeated despite available vaccines, continuous efforts to curtail this deadly and highly spreading virus remain a world priority. In this research, we have investigated the antiviral properties of the phytochemicals from Annona muricata (Sour Sop) as potential inhibitors of SARS-CoV-2 main protease (Mpro) and Spike Receptor Protein. Pharmacokinetic analyses such as in-silicoADME, drug-likeness, PASS prediction, oral-bioavailability and bioactivity were carried out to screen the phytochemicals, 9 out of the 131 ligands satisfied the screening. A molecular docking approach was used to obtain the binding energies of the 9 ligands, and the result showed that Roseoside (−7.50 kcal/mol) and Coreximine (−7.0 kcal/mol) displayed the best docking score and have predicted to have stable interactions with SARS-CoV-2 main protease and Spike Glycoprotein. Data from this study could be further explored in developing multi-target drugs against SARS-CoV-2.
Sequential Monte Carlo with model tempering
Authors: Mlikota Marko , Schorfheide Frank
Published: May 2023

Modern macroeconometrics often relies on time series models for which it is time-consuming to evaluate the likelihood function. We demonstrate how Bayesian computations for such models can be drastically accelerated by reweighting and mutating posterior draws from an approximating model that allows for fast likelihood evaluations, into posterior draws from the model of interest, using a sequential Monte Carlo (SMC) algorithm. We apply the technique to the estimation of a vector autoregression with stochastic volatility and two nonlinear dynamic stochastic general equilibrium models. The runtime reductions we obtain range from 27 % to 88 %.
LOS JÓVENES UNIVERSITARIOS ANTE EL COMERCIO ONLINE: DIMENSIONES ESTRATÉGICAS PARA LA INDUSTRIA PUBLICITARIA DESDE EL PROCESO DE COMPRA, LA CONFIANZA Y LA SATISFACCIÓN
Authors: Alemán Ramos Pedro Francisco , Morales Almeida Paula , Gisbert Caudeli Vicenta
Published: May 2023

La población joven ha desarrollado un particular uso del comercio electrónico, modificado por el impacto de las condiciones de la pandemia producida por el COVID19. El presente estudio parte de la actitud y percepción de los consumidores, y tuvo como objetivo identificar y mapear el proceso de compra online, así como los criterios de confianza y de satisfacción en la adquisición digital de servicios y productos. Se tomó como marco teórico las representaciones sociales, y se desarrolló el análisis siguiendo el método de Reinert a través del programa informático IRAMuTeQ. El corpus incluyó las aportaciones de 203 jóvenes universitarios. Se empleó el Análisis Jerárquico Descendente y el Análisis Factorial de Correspondencia, dando como resultado 4 clases asociadas al proceso de compra online (información del producto, seguridad web, valor económico del producto, relación calidad-precio), 4 clases en los criterios de confianza (fiabilidad de la página web, valoraciones positivas, experiencias compartidas, seguridad y oficialidad) y 3 clases relacionados con la satisfacción de la compra online (óptima recepción del producto, rapidez del servicio, cubrir expectativas). Se consideró de especial importante en la implementación de estrategias publicitarias la seguridad web, el fomento de redes de experiencias, la honestidad y transparencia de las características del producto o servicio, así como la eficacia de sus entregas.
Analytical model for studying the role of ZnS-doped CdS on the performance of CZTSSe solar cells
Authors:   Physics department, Faculty of Science, Sohag University, 82524 Sohag, Egypt, Mohamed H. A. , Ali Sh. S. ,   Physics department, Faculty of Science, Sohag University, 82524 Sohag, Egypt, Ahmed M. R. ,   Physics department, Faculty of Science, Sohag University, 82524 Sohag, Egypt, Mohamed W. S. ,   Physics Department, College of Science, Jouf University, Al-Jouf, Sakaka, P.O. Box 2014, Saudi Arabia
Published: May 2023

This study focuses on thin-film structures made of ITO, CdS, ZnS, CZTSSe, and Mo (i.e., ITO/CdS:ZnS/CZTSSe/Mo) for solar cell applications. The effect of ZnS content on the performance of this cell has been theoretically investigated. The optical losses caused by reflection at various interfaces and absorption in ITO and CdS:ZnS layers have been calculated using the current structure's experimental data. The losses due to charge carrier recombination at the front and back surfaces of the CZTSSe absorber have been calculated using the absorber layer and depletion region parameters. It was discovered that increasing the ZnS content causes more photons to enter the absorber layer, causing the short-circuit current density to increase. Under consideration of optical and recombination losses, a maximum efficiency of about 13.75%, a fill factor of 81.6%, and an open-circuit voltage of 808 mV were obtained for ZnS-content = 0.5.
Reduced binding of apoE4 to complement factor H promotes amyloid‐β oligomerization and neuroinflammation
Authors: Chernyaeva Larisa , Ratti Giorgio , Teirilä Laura , Fudo Satoshi , Rankka Uni , Pelkonen Anssi , Korhonen Paula , Leskinen Katarzyna , Keskitalo Salla , Salokas Kari , Gkolfinopoulou Christina , Crompton Katrina E , Javanainen Matti , Happonen Lotta , Varjosalo Markku , Malm Tarja , Leinonen Ville , Chroni Angeliki , Saavalainen Päivi , Meri Seppo , Kajander Tommi , Wollman Adam JM , Nissilä Eija , Haapasalo Karita
Published: May 2023

The APOE4 variant of apolipoprotein E (apoE) is the most prevalent genetic risk allele associated with late‐onset Alzheimer's disease (AD). ApoE interacts with complement regulator factor H (FH), but the role of this interaction in AD pathogenesis is unknown. Here we elucidate the mechanism by which isoform‐specific binding of apoE to FH alters Aβ1‐42‐mediated neurotoxicity and clearance. Flow cytometry and transcriptomic analysis reveal that apoE and FH reduce binding of Aβ1‐42 to complement receptor 3 (CR3) and subsequent phagocytosis by microglia which alters expression of genes involved in AD. Moreover, FH forms complement‐resistant oligomers with apoE/Aβ1‐42 complexes and the formation of these complexes is isoform specific with apoE2 and apoE3 showing higher affinity to FH than apoE4. These FH/apoE complexes reduce Aβ1‐42 oligomerization and toxicity, and colocalize with complement activator C1q deposited on Aβ plaques in the brain. These findings provide an important mechanistic insight into AD pathogenesis and explain how the strongest genetic risk factor for AD predisposes for neuroinflammation in the early stages of the disease pathology.
La dimensión de género en la profesionalización docente. Una revisión bibliográfica.
Authors: Matarranz María
Published: May 2023

Este trabajo tiene como objetivo realizar una revisión de los conceptos fundamentales sobre la profesión docente atendiendo a la dimensión de género, a fin de identificar los aspectos que intervienen en ella condicionando o ejerciendo algún tipo de influencia. Para ello se ha realizado una búsqueda documental en las bases de datos de Web of Science (WoS) y Scopus. Una primera búsqueda reveló 100 artículos publicados, tras la criba y filtrado de trabajos, finalmente 29 documentos académicos han formado parte de la base documental y se han analizado en profundidad. Para la revisión bibliográfica se ha utilizado el software de análisis cualitativo Atlas.ti. Los resultados se alinean en torno a tres aspectos clave de la profesionalización docente: la formación, la práctica y la evaluación, todos ellos abordados desde la dimensión de género. Finalmente se plantean algunos temas transversales que se han repetido en los textos estudiados y que resultan de interés para reflexionar sobre la dimensión de género en educación en general y en la profesión docente en particular.
Anna Dostoevskaya’s Notebooks: Published and Overlooked
Authors: Andrianova Irina
Published: May 2023

The article presents an overview of a little-researched archival source — the notebooks of Anna Dostoevskaya. About 100 notebooks kept by the writer’s wife have been preserved in Moscow and St. Petersburg archives. They were created between 1875 and 1917, covering the last five years of Dostoevsky’s life and the time after his death. However, they did not arouse much interest among researchers due to the prevalence of economic and business records in them. Selected entries and pages were published by L. P. Grossman, I. L. Volgin, S. V. Belov, T. N. Ornatskaya, A. V. Arkhipova, I. S. Andrianova, T. V. Panyukova. Many records of undoubted historical and literary significance still haven’t been introduced into scientific circulation, among them sketches of excerpts from “A Writer’s Diary” and memories of Dostoevsky; lists of types of his favorite places and paintings, pharmacy prescriptions; pasted or rewritten letters from readers and documents of the Dostoevsky family; records related to the movement of the writer’s manuscripts, books and the belongings after his death, and to his widow’s work to create the first in Russia “Dostoevsky Memorial Museum,” to establish a school named after him in Staraya Russa, and others. The article provides examples of unpublished records that are of value for biographers (the names of Dostoevsky’s servants in 1875–1876, Maria of Baden’s, Princess Maria Maximilianovna of Leuchtenberg, impression of the writer’s work and death, Dostoevsky’s words remembered by his widow, a rough sketch for his memoirs). Based on the study of economic notes by A. G. Dostoevskaya, it is hypothesized that Dostoevsky’s maid Lukerya could have been the prototype of a servant with the same name from the ‘fantastic short story’ “A Gentle Creature” and the novel “The Adolescent.” A letter written by A. G. Dostoevskaya to E. F. Junge whose autograph is lost was discovered in one of the notebooks. A. G. Dostoevskaya’s notebooks are a genuine treasure trove of materials related to Dostoevsky and his era. They required research, systematization, chronological attribution and publication.
Peculiarities of growth of age-1+ paddlefish (Polyodon spathula Walbaum, 1792) in conditions of a pond fish farm in the forest-steppe of Ukraine
Authors:   Institute of Fisheries NAAS, Kyiv, Tretiak O. , Hankevych B. ,   Institute of Fisheries NAAS, Kyiv, Grygorenko T. ,   Institute of Fisheries NAAS, Kyiv, Kolos O. ,   Institute of Fisheries NAAS, Kyiv
Published: May 2023

Purpose. To investigate the peculiarities of growth of age-1+ paddlefish depending on water temperature and quantitative parameters of zooplankton development in ponds of the forest-steppe zone of Ukraine. Methodology. Age-1+ paddlefish, a North American zooplanktophagus were reared in polyculture with cyprinids in a 72-hectare pond using semi-intensive technology. The stocking density of age-1 paddlefish with an average weight of 86.5 g was 59 fish/ha, with a total stocking density of 2,402 fish/ha for all objects of polyculture. The intensification measures included fertilization of ponds with traditional organic fertilizers and feeding of carp with feed mixtures based on waste from the processing of agricultural raw materials of plant origin. The study of the intensity of development of the natural food supply and physicochemical parameters of water was carried out according to the methods generally accepted in hydrobiology and hydrochemistry. Determination of piscicultural parameters and growth characteristics of age-1+ paddlefish was carried out using methods common in ichthyology based on the dynamics of body weight gains in absolute and relative values. Findings. The conditions of the pond environment during most of the period of rearing of age-1+ paddlefish met the biological requirements of this species. A periodic decrease in the content of oxygen dissolved in water to 3.3-3.5 mgO2/dm3 was noted, which could negatively affect the growth of fish. Water temperature during the fish breeding period varied between 9.8-26.5oC. The average seasonal biomass of phytoplankton and zooplankton of the pond was 16.49 mg/dm3 and 3.92 g/m3, respectively, with a predominance of Cladocera and Copepoda (respectively, 61.0 and 34.5% in the average seasonal biomass) in the quantitative composition of zooplankton. As a result, age-1+ paddlefish reached an average weight of 1318.3 g with a fish productivity of 45.6 kg/ha and a total pond fish productivity of 1162.6 kg/ha. Maximum relative weight gains of paddlefish of 4.25–4.37% per day were observed during the first half of the growing season (mainly in June) at a water temperature of 22–25oC during the period of increase in zooplankton biomass from 3.79 to 10.11 g/m3. Originality. New data were obtained on the growth characteristics of paddlefish depending on environmental conditions of the ponds of the Forest-Steppe zone of Ukraine. Practical value. The study results can be used in the process of improving pond aquaculture technologies in Ukraine. Key words: pond aquaculture, paddlefish, growth, zooplankton, water temperature.
Research Methods: Diagnostic Test Characteristics
Authors: Mediratta Rishi P. , Newman Thomas B. , Wang Marie E.
Published: May 2023

The goal of a diagnostic test is to provide information on the probability of disease. In this article, we review the principles of diagnostic test characteristics, including sensitivity, specificity, positive and negative predictive value, receiver operating characteristics curves, likelihood ratios, and interval likelihood ratios. We illustrate how interval likelihood ratios optimize the information that can be obtained from test results that can take on >2 values, how they are reflected in the slope of the receiver operating characteristics curve, and how they can be easily calculated from published data.
Dinâmicas de preconceito contra a diversidade sexual no contexto da universidade
Authors: Magno da Silva Welligton , Francisco Tondin Celso , Saraiva de Queiroz Isabela
Published: May 2023

O artigo objetiva analisar experiências de preconceito contra sexualidades vivenciadas por estudantes, autodeclarados homens gays, na trajetória acadêmica. Constitui um estudo qualitativo com pressupostos metodológicos e epistemológicos feministas, no qual foram realizadas entrevistas narrativas com sete discentes, acessados por meio da técnica snowball, sendo os dados discutidos com base na análise crítica do discurso. A universidade e outros espaços (festas e repúblicas universitárias), tomados como uma extensão da instituição, são vistos como ambientes mais acolhedores e libertários para as experiências não heterossexuais, no entanto, em muitos casos, (re)produzem dinâmicas complexas de preconceito que reforçam a manutenção de tais experiências no campo do privado, colaborando para a manutenção da lógica heteronormativa. Sugere-se a criação de espaços para troca de experiências como importante ferramenta de emergência de sujeitos políticos que compreendam criticamente o contexto que os cerca e desconstruam os mecanismos de poder que produzem silenciamento e naturalizam violências.
Implementing the "government as a platform" concept: the assessment method and an optimal human-centered structure to address technological challenges
Authors: Dunayev Igor , Byelova Lyudmyla , Kud Aleksander , Rodchenko Volodymyr
Published: May 2023

The object of this study is the factors of implementation of the concept of government as a platform. The study solved the problem of identifying factors and choosing a model for analyzing the conditions for building a socio-technological model of interaction between society and the state. The concept of government as a platform is presented in the form of interrelated entities, components of technological infrastructure and digital assets. A feature of the described structure is the consideration of social value, which is explained by the principles of the concept under study. The factors of implementation of the concept include professional and personal characteristics of civil servants; organizational structure of the government; legal regulation; financial mechanisms; use of digital technologies of Industry 4.0; digital opportunities of the population and businesses; digital engagement. The identified factors take into account the need to take into account the needs and requirements of citizens, technological readiness, and competence of the government. It has been established that during 2022 there was a global trend towards an increase in the level of development of e-government. The results of the analysis of user experience on interaction with electronic public services confirm the need to focus on consumers. A theoretical model for adopting the state digital platform has been developed. The model consists of six independent variables, three intermediate variables, and one dependent variable. In the model, independent variables include tangible ease of use, uncertainty in technology, social pressure, efficiency of work with computer equipment, technical capabilities. Intermediate variables include attitude to use, tangible utility, user satisfaction, and intent to use. The dependent variable is the actual use of technology.
Determination of the speed of a microprocessor relay protection device of open architecture with a reed switch and the industrial internet of things
Authors: Neftissov Alexandr , Sarinova Assiya , Kazambayev Ilyas , Kirichenko Lalita , Kuchanskyi Oleksandr , Faizullin Adil
Published: May 2023

The paper presents the development of a microprocessor-based relay protection device on open architecture. Currently, there is a problem with modern microprocessor relay protection: the impossibility to replace the damaged element with alternatives from other manufacturers. The solution to this problem is the use of devices with open architecture. The study developed a structural model of a microprocessor-based relay protection device based on an open architecture with the industrial Internet of things application. Open architecture is achieved through open protocols and the principle of modularity. The industrial Internet of things technology transfers the control action of triggering blocking. A microprocessor-based relay protection device prototype based on an open architecture was developed. The simulation of the developed device was conducted. The appearance of higher harmonics and aperiodic components in the short-circuit current was not considered during modeling. Due to the study's limitations in the form of lack of load, current and voltage sensors, such as Hall sensors, and inductance coils, the subject of this study is only the speed of operation. A high multiplicity current generation setup was assembled for experimental testing. The developed relay protection device on an open architecture trips faster than the traditional solution. The application of the Internet of Things allowed it to ensure the blocking of non-selective tripping. The obtained results are provided by structural simplification compared to traditional solutions and speed of information transfer with the application of the Internet of things. The developed open architecture device with the industrial Internet of things technology application gives new possibilities for relay protection systems, including flexibility to meet the requirements in connection with the introduction of distributed power
Mezcla de mercadotecnia aplicada a la reducción de desechos plásticos
Authors: Picard Mélanie Sarah
Published: May 2023

El plástico se ha convertido en 50 años en un material indispensable en la vida del hombre. El volumen de desechos que genera este material, se volvió uno de los problemas más importante de la contaminación de los ámbitos naturales, causando daños irreversibles por micro-plásticos a la cadena alimenticia, y por macro-plásticos a las especies marinas y terrestres. Hasta ahora se ha enfatizado mucho el papel del consumidor y su responsabilidad en aportar una respuesta adecuada al final de la vida útil de los plásticos, sin embargo, poco si no es que ninguna investigación se ha interesado en el papel que juega la mercadotecnia en esta problemática. Uno de los componentes de este conflicto, es que esta disciplina es una función organizacional que influye completamente en el ciclo de vida del producto desde su concepción, por lo tanto, este artículo busca aportar propuestas concretas del cómo la mercadotecnia puede contribuir a la reducción y manejo de los desechos plásticos. Con base en esta problemática, se realizó una revisión de la literatura en cuanto a la relación de la mercadotecnia con el plástico, y se analizaron los reportes de distintos organismos sin fines de lucro, instituciones reconocidas, y empresas del área del reciclaje investigando los retos principales que plantea la organización actual de la industria plástica y las soluciones potenciales a la generación de este tipo de desechos. Posteriormente a la revisión de la literatura, se analizaron las implicaciones de dicha información desde el punto de vista de la mercadotecnia, para elaborar una serie de propuestas destinadas a disminuir concretamente la cantidad de desechos plásticos producidos. Estas propuestas se organizan con base en la definición de la mezcla de mercadotecnia, a saber: el Producto, el Precio, la Promoción y la Plaza (4 Ps). Para cada una de las 4 Ps, se establecen recomendaciones tales como materiales a privilegiar, criterios de fijación de precio, tipos de comunicación posibles y efectos en la logística. Adicionalmente, se proporcionan ejemplos concretos para el manejo de este tipo de problemas.
Osmanlı’dan Erken Cumhuriyet Dönemine Van Yerel Basınının Temelleri: 1858-1939
Authors: SARI Ergin , BATTAL Veysal , ALANKA Ömer
Published: May 2023

Osmanlı’nın son dönemlerinde Van’da çok sayıda gazetenin yayınladığı bilinmektedir. Bu anlamda Van kentinde bilinen ilk yerel gazete 1858 yılında yayın hayatına başlayan Ermenice ‘Ardzvi Vasburagan’ (Van Kartalı)’dır. Van’da yayınlanan ilk Türkçe gazete ise 1893’te yayın hayatına başlayan ‘Van’ gazetesidir. Meşrutiyet’in getirdiği basın özgürlüğünden yararlanmak isteyen bazı Osmanlı vatandaşları, Van’da Türkçe, Kürtçe ve Ermenice yayın yapacak ‘İttihat’ ile ‘Mebde-i Feyz’ isimli gazeteleri çıkarmak için girişimlerde bulunmuşlardır. Van’da Ermeniler tarafından 1858’den 1915 yılına kadar 27 Ermenice gazete ve dergi yayınlanmıştır. Aşkhadank (Emek), Van-Dosb (Van Tuşpa), Luys (Işık) bu gazetelerden bazılarıdır. Dönemin önemli gazetelerinden biri de ‘Çaldıran’dır. Birinci Dünya Savaşının başlamasına denk gelen yıllarda büyük zorluklarla yayın hayatını sürdürmeye çalışan Çaldıran gazetesi, Van’ın Ruslar tarafından işgal edilmesiyle 1915 yılının sonlarına doğru yayın hayatına son vermiştir. Bu tarihten itibaren Van’da basın faaliyetleri tamamen bitmiş ve Cumhuriyet kurulduktan sonra ilk yerel gazete ancak 1937’de yayın hayatına başlayan Yeni Yurd Van gazetesi olmuştur. 1939 yılında yayın hayatına başlayan bir diğer gazete ise Van’dır. Her iki gazete de, dönemin şartları itibariyle, her ne kadar resmi devlet söyleminin dışına çıkmamışlarsa da Van kentinde yerel basın kültürünün oluşmasında önemli roller üstlenmişlerdir. Bu çalışma ile; günümüzde günlük, haftalık ve aylık periyotlarla yayın yapan çok sayıda gazete ve dergi ile oldukça renkli bir görünüme sahip olan Van yerel basınının temellerinin ortaya çıkarılması amaçlanmıştır. Van kentinde ilk basın faaliyetlerinin başladığı Osmanlı devletinin son dönemi ile Cumhuriyet’in ilanından sonra çıkan ilk gazete ve dergiler çalışmanın konusunu oluşturmaktadır. Sözü edilen dönemde yayınlanan gazete ve dergilerin yayın politikaları, sahiplik yapıları ve yayınlandıkları dönemdeki olayları ne şekilde aktardıkları incelenmiştir.
Factors associated with demand for emergency medical services by people with hypertension and diabetes
Authors: Ferreira Patrícia Chatalov , Marcon Sonia Silva , Teston Elen Ferraz , Vieira Viviane Cazetta de Lima , Souza Rebeca Rosa de , Lopes Mislaine Casagrande de Lima , Marquete Verônica Francisqueti , Rossi Robson Marcelo
Published: May 2023

ABSTRACT Objectives: to analyze the association between recurrence of emergency service visits due to lack of blood pressure and/or glycemic control with sociodemographic variables and disease registration in Primary Care. Methods: quantitative study, which consulted medical records of people who attended these services two or more times for 26 months. Descriptive statistics and multiple logistic regression models were used in analysis. Results: most people did not have hypertension and/or diabetes record in their Primary Care records. The absence of this record was more frequent in males, aged between 18 and 59 years, with low education and lack of blood pressure. There was association between greater number of people seeking these services in the same year and not monitoring the chronic condition in specialized care. Conclusions: people who do not follow up hypertension and/or diabetes in Primary Care are more likely to need assistance due to blood pressure and/or glycemic management.
Calcificações amorfas mamárias: BI-RADS 4a é adequado?
Authors: Oliveira Tatiane Mendes Gonçalves de , Seksenian Rafael Melo , Santana José Galdino Souza , Souza Bárbara Nogueira Caracas de , Jesus Felipe Alves de , Faria Francesca Maia , Mandarano Larissa Raquel Mouro
Published: May 2023

Resumo Objetivo: Avaliar o valor preditivo positivo (VPP) das calcificações amorfas e possíveis variáveis clínicas e de imagem que possam influenciar no risco de malignidade deste achado de imagem. Materiais e Métodos: Foram revisados, retrospectivamente, 138 resultados de biópsias percutâneas estereotáxicas a vácuo de calcificações amorfas, entre janeiro de 2012 e dezembro de 2017. Todas as pacientes incluídas apresentavam seguimento radiológico mínimo de um ano (histopatológico benigno) ou tratamento cirúrgico (histopatológico maligno). Resultados: O VPP das calcificações amorfas foi de 9,42%. As lesões malignas corresponderam predominantemente a carcinomas invasivos, indicando doença clinicamente relevante. O risco relativo de malignidade das calcificações amorfas foi 6,15 vezes maior em pacientes com história familiar ou pessoal de neoplasia de mama ou ovário. Status pós-menopausa e mamas densas não foram preditores de malignidade nessas pacientes. Conclusão: As calcificações amorfas na mama apresentaram VPP de malignidade de 9,42%, sugerindo possibilidade de classificação do achado na subcategoria 4a, com necessidade de investigação histopatológica. Em pacientes com história familiar ou pessoal de câncer de mama, o risco de malignidade deste subtipo de calcificações pode ser até 6,15 vezes maior, justificando maior preocupação na correlação clínica, radiológica e histopatológica após biópsia.
Institucionalismo e suas relações com o desenvolvimentismo: Passado, presente e futuro
Authors: RIEDO IJEAN GOMES , RAMOS MANOEL JOÃO , GUBERT FLAVIA PICCININ PAZ , FEIDEN ALDI
Published: May 2023

RESUMO Esta pesquisa analisa teoricamente o papel das instituições para o desenvolvimento organizacional baseado na teoria desenvolvimentista e institucional, emergindo questões relevantes, como: Quais foram os marcos conceituais do desenvolvimento institucional? Como as instituições participaram da evolução econômica? Como ocorre o desenvolvimento institucional na América Latina? Qual o modelo desenvolvimentista para o futuro? Entretanto, não pretende defender ideologias políticas, sociais e/ou econômicas, mas debater questões construtivas para o desenvolvimento sustentável. Neste aspecto, a pesquisa revela não bastar políticas passivas de funcionamento mercadológico e programas de investimentos públicos segmentados, mas uma atuação estratégica e cooperativa entre Indústria-Governo-Universidade em prol do desenvolvimento sustentável.
O financiamento do SUS no enfrentamento da pandemia de Covid-19
Authors: MARQUES ROSA MARIA , FERREIRA MARIANA RIBEIRO JANSEN
Published: May 2023

RESUMO O Sistema Único de Saúde (SUS), desde sua criação em 1988, tem um histórico de recursos insuficientes que permitam efetivamente garantir a universalidade e a integralidade do cuidado. Seu subfinanciamento, derivado da ausência de apoio de parte da sociedade e de políticas neoliberais assumidas por diversos governos nos anos 1990 e 2000, transformou--se em um efetivo desfinanciamento a partir da aprovação do “teto de gastos”, em 2016, agravando as dificuldades estruturais do sistema. A pandemia de Covid-19 gerou uma necessidade preeminente de ampliação da capacidade de atendimento do sistema público de saúde e, com isso, os recursos para o SUS foram ampliados. Essa maior disponibilidade financeira, porém, foi fruto de medidas extraordinárias e ficou restrita aos anos de 2020 e 2021. O orçamento ordinário destinado à saúde nesses anos e a LOA de 2022 explicitam que o desfinanciamento se mantém e que a pandemia não gerou priorização da saúde da população brasileira no interior do orçamento federal.
The prosperous decade of 2004-2013 and new developmentalism
Authors: FIOCCA DEMIAN
Published: May 2023

ABSTRACT Since the 1990s, three different phases marked the Brazilian economy: a 13 year long “quasi-stagnation” (1991-2003); a decade of prosperity (2004-2013); and an 8 year period of economic decline (2014-2021). Leading new developmentalist authors identify policies introduced in the 1990s as causes of slower economic growth. This article argues that, even if that hypothesis is correct, it is still inadequate to treat the last 30 years as a single economic phase. We then compare policies implemented in 2004-2013 with developmentalist recommendations, concluding that most of them are compatible. Finally, the article highlights changes in the international and Brazilian contexts between the 1970s and the present, which reinforce the importance of analyzing the most recent growth experience.
Relações Entre Suporte Parental e Reconhecimento de Expressões Faciais Emocionais em Pré-Adolescentes
Authors: Loos Victória Niebuhr , Lopes Fernanda Machado , Menezes Carolina Baptista
Published: May 2023

Resumo Este estudo analisou a relação entre suporte parental e habilidade de reconhecer expressões faciais emocionais em pré-adolescentes através de uma revisão integrativa de pesquisas empíricas dos últimos dez anos. Foram encontradas 12 publicações, as quais utilizaram principalmente tarefas computadorizadas para avaliar o reconhecimento de expressões faciais, sendo a maioria estudos transversais. Houve uma associação de práticas parentais positivas com uma melhor habilidade de reconhecimento de expressões faciais dos filhos, assim como aspectos negativos da parentalidade estiveram associados a um pior reconhecimento de expressões faciais e a um favorecimento do reconhecimento de expressões negativas, sendo que alguns resultados foram contraditórios. Discute-se a importância desta habilidade para o desenvolvimento infanto-juvenil e destacam-se lacunas metodológicas e sugestões para avançar os estudos na área.