bluuebunny/crossref_metadata_2025 huggingface dataset:
Do Design Thinking à Formação Inclusiva de Professores de Matemática: uma Revisão de Literatura
Authors: Silva Paula Soares Gomes da , Santos Carlos Eduardo Rocha dos
Published: March 2022

ResumoSeja na formação inicial ou continuada, o processo formativo de professores é um ambiente que carece de análise, compreensão e reflexão no que concerne ao movimento de inclusão que está sendo amplamente divulgado e promovido mundo afora. No entanto, mesmo com os avanços da Educação Inclusiva, fica evidente que temos lacunas entre a metodologia, o processo formativo docente e a Educação Matemática Inclusiva. O presente artigo apresenta uma revisão da literatura científica brasileira sobre tal questão, tendo como intuito analisar essa produção científica abordando a formação de professores de Matemática, a metodologia do Design Thinking aplicado na Educação, de maneira geral, e na Educação Matemática Inclusiva especificamente. Justificamos que esse artigo é um recorte de uma dissertação que está sendo realizada com alguns participantes, professores de matemática da Rede Pública do Estado de São Paulo, no município de Guarulhos. Ressaltamos, ainda, que encontramos 10 trabalhos acadêmicos envolvendo as temáticas propostas, cujos resumos analisamos e categorizamos de acordo com nosso contexto de pesquisa. Estes estudos apontaram diversos fatores, positivos e/ou negativos, que evidenciam a importância da abordagem da Educação Inclusiva em conjunto com a promoção de diversos cenários reflexivos na formação do professor de Matemática.
Palavras-chave: Inclusão. Educação Matemática. Educação Inclusiva. Educação Especial.
AbstractWhether in initial or continuous formation, the formative process of teachers is an environment that needs analysis, understanding and reflection about the inclusion movement that are being widely publicized and promoted worldwide. However, even with the advances of Inclusive Education, it is clear that we have flaws between the methodology, the teaching formative process and the Inclusive Mathematics Education. The article exposed presents a review of the brazilian scientific literature around the theme, with the intention of analyzing this scientific production approaching the Formation of Mathematics Teachers, the methodology of Design Thinking applied in education, in general, and in Inclusive Mathematics Education specifically. We justify that this article is a piece taken from a dissertation which is being performed with some participants, mathematics teachers of the public network of the State of São Paulo, in the county of Guarulhos. Wealso highlight that we found 10 academic papers involving the proposed themes, which the abstract was analyzed and categorized according to our context of research. These studies showed several aspects, positive and/or negative, that indicate the importance of approaching Inclusive Education with the promotion of several reflective scenarios in the formation of the mathematics teacher.
Keywords: Inclusion. Mathematics Education. Inclusive Education. Special Education.
Perfil Socioeconômico e Expectativa Docente de Ingressantes em um Curso de Licenciatura em Matemática no Mato Grosso do Sul
Authors: Gonzales Eliéverson Guerchi , Gonzales Kátia Guerchi , Meneguelli Luis Mauro Neder , Sales Antonio
Published: March 2022

ResumoEste estudo teve como objetivo identificar e analisar o perfil dos acadêmicos de um curso de Licenciatura em Matemática, bem como entender a escolha e as expectativas em relação à profissão. Trata-se de uma pesquisa qualitativa realizada com os ingressantes do primeiro semestre de 2017 de uma instituição privada de Ensino Superior, localizada na cidade de Campo Grande, Mato Grosso do Sul, Brasil. Além de formulários para traçar o perfil socioeconômico, o estudo com a História Oral permitiu a realização deste trabalho. Como resultados, observamos que os estudantes são pessoas oriundas de famílias de baixa renda, que buscam a ascensão social na docência, conforme já observado em outras pesquisas.
Palavras-chave: Expectativa de Licenciandos em Matemática. Perfil dos Ingressos em Matemática. Formação Docente.
AbstractThis study aimed to identify and analyze the profile of students in a Mathematics degree course, as well as to understand the choice and expectations regarding the profession. This is a qualitative research carried out with the freshmen of the first semester of 2017 from a private institution of Higher Education, located in the city of Campo Grande, Mato Grosso do Sul, Brazil.. In addition to forms to outline the socioeconomic profile, the work with Oral History also allowed the realization of this work. As a result, we observed that they are people from low-income families, who seek social ascension in teaching, as already observed in other research.
Keywords: Expectation of Graduates in Mathematics. Profile of the Entrance in Mathematics. Teacher Training.
Business Prospect of Recycling Household Wastage: A Study on Gopalganj District of Bangladesh
Authors: Hossain Md. Solaiman , Islam Md. Saiful , Prova Atia Ibnat , Saha Monisha , Neogy Taposh Kumar
Published: March 2022

To find out the business prospect of recycling household wastage in Gopalganj districts the main target of this research. To conduct this research the authors have collected the data from both primary and secondary sources. Mainly, interview and observation methods have been used to collect primary data and various types of published and unpublished documents, websites, etc. have been used to collect secondary data. From this study, it has been found that there is a potential business prospect of recycling the household wastage and it will contribute significantly to increasing the land productivity and reducing the unemployment problem of Gopalganj district. If it is possible to implement this research idea, it will increase business opportunities and save the environment from pollution. To conduct this research it was very difficult for the authors to collect the data by physically observing the dumping sites.
An application of conventional and advanced exergy approaches on a R41/R1233ZD(E) cascade refrigeration system under optimum conditions
Authors: AKTEMUR Cenker , HACIPASAOGLU Servet Giray
Published: March 2022

Painstaking adjustment of an optimum low-temperature cycle (LTC) condenser temperature allows cascade refrigeration system (CRS) to operate at maximum performance. This study exhibits an original approach because, for the first time, advanced exergy analysis is implemented under an optimum LTC condenser temperature of CRS operating with R41/R1233zd(E) as an environmentally-friendly refrigerant pair. Under the auspices of advanced exergy analysis, there is endogenous exergy destruction of 50.43% and exogenous exergy destruction of 49.57% within total exergy destruction. It is pointed out that the interactions between the CRS components (external irreversibilities) are partly less than exergy destruction that occurs within components (internal irreversibilities). The avoidable part within total exergy destruction, which is greater than the unavoidable part, indicates that components have a high improvement potential with a value of 56.31%. Furthermore, LTC compressor depends significantly on other components, as it has the largest exogenous part of exergy destruction with 75.82%. The results indicate that the CRS’s exergy efficiency, which can be determined based on conventional exergy analysis, is only 36%. However, this increases to 68% with the improvements needed for the components.
Three dimensional MHD nanoluid stagnation point low withhigher order chemical reaction
Authors: JAGADHA S. , GOPAL D. , KUMAR P. Vijay , KISHAN N. , DURGAPRASAD P.
Published: March 2022

In hot and dry climates, evaporative cooling of the air by water spray can be applied in several requirements, such as evaporative condensers which the airflow is precooled by the water spray before it reaches the condenser. The interaction between water droplets and the air is a complicated two-phase flow that is affected by the several parameters. Here, an Eulerian-Lagrangian 3D model was developed to investigate the influence of important parameters on spray cooling performance in a rectangular duct. The evaluated parameters include the number of nozzles, inlet air flow rate, and spray water flow rate. The results represented that growth in the number of nozzles causes a reduction in the spray cooling efficiency. Thi s is due to decrease of droplets retention time within the duct by increasing the number of nozzles at a constant total spray flow rate in the cases. The maximum and minimum spray cooling efficiency belong to the cases with one nozzle at water flow rate of 20 l/h and four nozzle at water flow rate of 5 l/h, respectively. The difference between spray cooling efficiency at 3 and 4 number of nozzles is less than 1.8%. Moreover, increasing the air flow rate from 0.5 l/h to 2 l/h (by 300%) makes a decrease in the spray cooling efficiency up to 58.6%.
A mother’s health during pregnancy
Authors: Ravichandran S , Feroz Fathima , Mehraj Mahrukh , Sri R M Madhumitha , Rajput Jyoti
Published: March 2022

A mother’s health and nutrition status both before and during pregnancy have an important and significant effect on its baby`s physical as well as mental health. Mothers health and dietary intake completely effects a baby`s birth weight, rate of postnatal growth and chances of survival. If a mother is maintaining a good nutritious status with a healthy life style throughout her pregnancy, it optimizes maternal health and reduces the risk of pregnancy complication, birth defects and chronic diseases in her children and later in adulthood. This paper describes a woman with proper dietary intake, good nutritious status, and proper life style will have a healthy pregnancy which automatically increases the chances of having healthy delivery of baby, with very low complications. The baby has a better chance of having healthy life ahead.
Evaluation of changes in minerals like calcium, phosphorus and parathormone levels in ESRD patients on haemodialysis: A case control study
Authors: Natikar Jyothi A , Mohanty Shrabani
Published: March 2022

Chronic kidney disease (CKD) is an international public health problem affecting about 5–10% of the population. KDOQI guidelines highlight the importance of measuring the parathyroid hormone levels annually once diagnosed with CKD. If the levels are maintained within the target range, then the various complications can be prevented by adequate treatment.

1. To measure the levels of Calcium, Phosphorus, Alkaline phosphatase and parathyroid hormone levels in patients with stage 4 kidney disease. 2. To compare these biochemical parameters with healthy controls.

50 CKD patients visiting dialysis unit were included in the study. Patients with congenital renal disorders were excluded. A written informed consent was taken from all patients. The personal details of patients were documented. Clinical history, personal & family history was taken in detail from each patient. 50 Healthy individuals were included as controls in the study.

Statistically significant increase in levels of Calcium, Phosphorus, Alkaline phosphatase, Uric acid and parathyroid hormones were seen in CKD patients as compared to controls.

The levels of parathormone, calcium & phosphorus are used as surrogate markers of disease progression. Alteration in minerals like calcium and Phosphorus occurs early in the course of disease and are responsible for various cardiovascular manifestations and bone osteodystrophy. The ultimate goals of treating secondary hyperparathyroidism are to normalize mineral metabolism, prevent bone disease and prevent extra skeletal manifestations of the altered biochemical processes.
A study on dietary habits of women faculty and impact of nutrition education
Authors: Krishna K U Pavitra , Dhas E Siva
Published: March 2022

Malnutrition due to poor feeding habits, is still a serious public health issue especially among women.

So, awareness about importance of balance diet for a healthy living is needed for them.

The objective of this study was to assess the dietary patterns of 50 women faculty in Arul Anandar College, Madurai and provide nutrition education and to assess the impact of nutrition education. 

In this regard the dietary pattern of women faculty were assessed and awareness about healthy diet and stress free life using various modes were imparted and the impact was assessed using KAP.

Dietary pattern assessment revealed that, most study participants were non vegetarians and consumed three meals a day, pressure cooking was the predominant method adopted for cooking cereals and pulses. Inadequate intakes of pulses, green leafy vegetables, other vegetables, fruits, milk and milk products were observed. Frequent intake of carbohydrate rich foods, fats and oils but an infrequent intake of protein rich foods and vitamin and minerals rich foods in a week. Malnutrition were linked to low intakes of pulses and beans; milk and dairy products; vegetables and fruits food groups. After nutrition education, the scores for knowledge and attitude have increased than scores for practice.

Women of the study population had an unhealthy dietary pattern. So, nutrition education were provided and the impact was assessed using KAP scores and after the education KAP scores have increased than before.
The Utilization of Corn Stalks as Biochar to Adsorb BOD and COD in Hospital Wastewater
Authors: Walanda Daud K. , Anshary Alam , Napitupulu Mery , Walanda Ryka M.
Published: March 2022

Biochar preparation from biomass and organic materials such as fruit peels, livestock manure, wood chips, and other agricultural residues has been studied. Those materials are prepared through a pyrolysis process, heating at a specific temperature, then utilized for adsorption waste pollution such as heavy metal ions. This study aimed to produce activated biochar from corn stalks (ABCS) as an adsorbent of BOD and COD in hospital wastewater. Activation of the biochar was carried out with an activator agent, namely ZnCl2. The moisture and ash content of activated biochar with a pyrolysis temperature of 400℃ and 500℃ meet SNI. SEM-EDS determined the pore and elements analysis. ABCS consist of 44.88 % and 60.56% of the carbon produced with different temperature of 400℃ and 500℃, respectively. One gram of ABCS reduced COD up to 71.4% in 4.5 hours and a maximum of 56.83% of BOD in 3 hours. While in an hour, a maximum of 2.5 g ABCS decreased COD 62.5% and 71.1% of BOD with the most of 1.5 g ABCS.
Testing the matrix implementation of the algorithm for surface-consistent compensation of seismic amplitudes
Authors: Kushnarev R. S. , Goreiavchev N. A. , Mitrofanov G. M.
Published: March 2022

This paper tests and evaluates the algorithm for surface-consistent compensation of seismic amplitudes. The algorithm is based on factorial decomposition and is implemented in matrix form. The matrix view links all seismic observations to accurately identify variations associated with discontinuities in the upper section. The algorithm was tested on synthetic data containing about 10.5 million observations. Testing shows the possibility of applying the method to large amounts of data with high accuracy.
On Athens` Coinage at the End of the Archaic Period (A Historical Context of Transition from Wappenmünzen to “Owls”)
Authors: Surikov I.E.
Published: March 2022

The article deals with the fate of the first Athenian coinage (coins known under the conventional name of Wappenmünzen) at its latest stage, when there took place a transition to coins of principally new type (“head of Athena – owl”, ΑΘΕ), which later became so glorious. The author connects the transition mentioned with the fall of tyranny in 510 BC and dates a little earlier beginning of Wappenmünzen tetradrachms issuing to 514–513 BC, while correlating it with such events as the tyrants Hippias’ clash with aristocrats and hardening of his policies. In the same context he tries to interpret the so-called Hippias’ monetary reform, which is mentioned vaguely in Pseudo-Aristotle’s Economics.
Mirrors in the Burials of the Scythians of Herodot of the Northern Black Sea Coast of the Second Half of the Vth – IVth Centuries BC
Authors: POLIN S.V. , DARAGAN M.N.
Published: March 2022

The article is devoted to analyzis of a data set of 162 Scythian female burials of the Northern Black Sea Region of the Vth –IVth c. BC with mirrors distributed according to the location of the mirrors, taking into account the anthropological definition, the presence of weapons in the burials and the their dating. According to archaeological data, all burials with mirrors are defined as female, 37 cases is confirmed by anthropological definitions, which suggests that the mirrors in the Scythians of the second half mark female burials exclusively. There are 6 clusters of mirrors by their location: 1) at the head, to the right and to the left; 2) to the right of the body; 3) to the left of the body; 4) in the legs; 5) under the body of the deceased; 6) other (in the entrance pit, in the dromos, remotely from the skeleton). In some of the female burials with mirrors, weapons were also found, making up in our clusters from 22 to 51 %, on average, about 34 %. But even in these graves the mirror is primarily as a female component, and the weapon is secondary. Women's burials with weapons at the Scythians do not constitute a special social or property group. Comparative analysis demonstrates significant differences in the use of mirrors between Scythians of the Northern Black Sea Region and Savromatians-Sarmatians.
Socio-economic and Cultural Development of Ancient Israel South in the X-IX c. BC (Based on the Archaeological Material of Shefela)
Authors: Gorokhov A. A.
Published: March 2022

The report analyzes the socio-economic and cultural development of the South of Ancient Israel in X–IX centuries BC. The author explores the archaeological material of Shefela. The military factor contributed to the formation of the fortresses, development of large regional centers such as Gezer, Lachish. The good environment Shefela led to the development in the region of agricultural specialization. The role of participation of state structures was great in economic development. This process contributed to the development of monumental construction and various types of handicraft production. Based on the analysis of epigraphic material (two inscriptions found in the town of Khirbet Qeiyafa, calendar from city of Gezer, of alphabet from the settlement of Tel-Zayit) it is concluded that Shefela was one of the main centers of the development of writing in Palestine during this period.
Análise espectral de séries temporais: uma aplicação para a poluição do ar, na cidade de Vitória, Espírito Santo, Brasil
Authors: Santo Geisiely do Espírito , Pinto Wanderson de Paula
Published: March 2022

A poluição atmosférica é um fator causador do aumento da taxa de mortalidade, aumento da taxa de doenças crônicas, aumento no custo das despesas com saúde, diminuição da produtividade e da qualidade de vida de uma forma geral. Vale lembrar que os efeitos causados pela poluição do ar podem não ser apenas locais, isso significa que esses poluentes podem viajar milhares de quilômetros pela atmosfera, atingindo, assim, comunidades distantes do ponto de emissão. Baseado nos riscos que esses poluentes podem causar esse trabalho objetivou analisar as séries temporais de concentrações de poluentes atmosféricos de PM10, PM2,5 e SO2, monitorados na RGV, Espírito Santo, Brasil, utilizando as técnicas da análise espectral. Os dados utilizados nesta pesquisa foram medidos nas estações da Rede Automática de Monitoramento da Qualidade do Ar (RAMQAr) e coletados através do banco de dados do IEMA. Através da análise espectral da série temporal, foi possível observar que as concentrações dos poluentes PM10 e PM2,5 apresentaram sazonalidade com período de sete dias, e para o poluente SO2, não houve presença de sazonalidade. Dessa forma, a variação sazonal apresentada pode ser explicada principalmente pelo ritmo de movimentação dos transportes na RGV, ou seja, as maiores concentrações medidas de PM2,5 e PM10, ocorrem durante os dias úteis, quando o fluxo de veículos é maior, e o oposto ocorre nos fins de semana. Já para o SO2, por não apresentar variação sazonal, não possui um período fixo de repetição.
Video Features, Engagement, and Patterns of Collective Attention Allocation
Authors: Zhang Jingjing , Huang Yicheng , Gao Ming
Published: March 2022

Network analytics has the potential to examine new behaviour patterns that are often hidden by the complexity of online interactions. One of the varied network analytics approaches and methods, the model of collective attention, takes an ecological system perspective to exploring the dynamic process of participation patterns in online and flexible learning environments. This study selected “Fundamentals of C++ programming (Spring 2019)” on XuetangX as an example through which to observe the allocation patterns of attention within MOOC videos, as well as how video features and engagement correlate with the accumulation, circulation, and dissipation pattern of collective attention. The results showed that the types of instructions in videos predicted attention allocation patterns, but they did not predict the engagement of video watching. Instead, the length and whether the full screen was used in the videos had a strong impact on engagement. Learners were more likely to reach a high level of engagement in video watching when their attention had been circulated around the videos. The results imply that understanding the patterns and dynamics of attention flow and how learners engage with videos will allow us to design cost-effective learning resources to prevent learners from becoming overloaded.
How the Monitoring Events of Individual Students Are Associated With Phases of Regulation
Authors: Malmberg Jonna , Saqr Mohammed , Järvenoja Hanna , Järvelä Sanna
Published: March 2022

The current study uses a within-person temporal and sequential analysis to understand individual learning processes as part of collaborative learning. Contemporary perspectives of self-regulated learning acknowledge monitoring as a crucial mechanism for each phase of the regulated learning cycle, but little is known about the function of the monitoring of these phases by individual students in groups and the role of motivation in this process. This study addresses this gap by investigating how monitoring coexists temporally and progresses sequentially during collaborative learning. Twelve high school students participated in an advanced physics course and collaborated in groups of three for twenty 90-minute learning sessions. Each student’s monitoring events were first identified from the videotaped sessions and then associated with the regulation phase. In addition, the ways in which students acknowledged each monitoring event were coded. The results showed that cyclical phases of regulation do not coexist. However, when we examined temporal and sequential aspects of monitoring, the results showed that the monitoring of motivation predicts the monitoring of task definition, leading to task enactment. The results suggest that motivation is embedded in regulation phases. The current study sheds light on idiographic methods that have implications for individual learning analytics.
Investigating Cognitive Network Models of Learners’ Knowledge Representations
Authors: Siew Cynthia
Published: March 2022

This commentary discusses how research approaches from Cognitive Network Science can be of relevance to research in the field of Learning Analytics, with a focus on modelling the knowledge representations of learners and students as a network of interrelated concepts. After providing a brief overview of research in Cognitive Network Science, I suggest that a focus on the cognitive processes that occur in the knowledge network, as well as the mechanisms that give rise to changes in the structure of knowledge networks, can lead to potentially informative insights into how learners navigate their knowledge representations to retrieve information and how the knowledge representations of learners develop and grow over the course of their educational careers. Learning Analytics can leverage these insights to design adaptive learning or online learning platforms that optimize learning, and inform pedagogical practice and assessment design that support the development of effective and robust knowledge structures.
Loop ileostomy or loop transverse colostomy for resectable rectal cancers
Authors: ÇAPARLAR Mehmet Ali , DOKÇU Şeref , DEMİRCİ Salim
Published: March 2022

Objectives: This retrospective study aimed to compare loop ileostomy (LI) with loop transverse colostomy (LTC) as covering stoma regarding the perioperative outcomes in patients who underwent low anterior resection for rectal cancer between 2015 and 2020.
Methods: Data were collected from patient files and the hospital's electronic database. The primary outcome measure was complications related to stoma formation, stoma reversal, and overall complications. Secondary outcome measures were hospital discharge time and readmission rate after discharge.
Results: A total of 90 patients (38 female, 52 male; 56.6 ± 6.8 years) were included in the study. There were two groups considering the technique for covering stoma: Group LI (n = 50) and Group LTC (n = 40). Demographic and perioperative characteristics were similar. Primary outcome measure: Postoperative course was complicated in 49 (54.4%) patients. The complication rate was higher in the group LI than the group LTC (62% vs 45%; p = 0.03). Among them, 29 (59.2%) complications were related to the stoma formation related, and 14 (28.6 %) complications were related to the stoma reversal related, and 6 (12.2%) were overall complications. The rate of complications related to the stoma formation was higher in the group LI compared to the group LTC (20 [40%] vs. 9 [22.5%]; p = 0.01). The most common complication was periostomal skin irritation (48.3%) followed by dehydration (13.8%), stoma retraction (10.3%) patients, parastomal hernia (10.3%), bleeding (6.9%), anastomotic leak (3.4%), incisional hernia (3.4%), and high-output stoma (3.4%). Complications including incisional hernia, high output stoma, and anastomotic leakage (Grade C; requiring laparotomy) were observed only in the group LI. The morbidity rate in 30 days after the surgery was higher in the group LI compared to the group LTC (16 [32%] vs. 8 [20%]; p = 0.02). A total of 14 stoma reversal complications included incisional hernia in 7 (14.3%) patients, wound infection in 5 (10.2%) patients, and rectal bleeding in 2 (4.1%) patients. The rate of complications was not different between groups (16% vs. 15%; p = 0.41). Overall complications were similar between study groups (3 complications in each group; p = 0.73). Secondary outcome measure: The group LTC patients were discharged earlier compared to the group LI (7.1 ± 2.0 days vs. 9.4 ± 2.5 days; p = 0.03). The readmission rate after hospital discharge was higher in the LI group than the group LTC (18% vs. 12.5%; p = 0.02).
Conclusions: It was concluded that LTC was superior compared to LI concerning complications after low anterior resection for rectum cancer.
Etnografia oparta na współpracy. Założenia, możliwości, ograniczenia
Authors: Pietrowiak Kamil
Published: March 2022

Tematem artykułu są ogólne założenia oraz sposoby realizacji etnografii opartej na współpracy (collaborative ethnography). Jednym z najważniejszych reprezentantów, teoretyków i praktyków tego podejścia jest Luke Eric Lassiter, zaś podobne idee na gruncie polskiej nauki sformułowała Anna Wyka w pracy Badacz społeczny wobec doświadczenia. Głównym postulatem omawianej propozycji metodologicznej jest włączenie uczestników badań w proces ich projektowania, wspólne dyskutowanie i analizowanie pojawiających się w trakcie pracy zagadnień, umożliwienie poszczególnym uczestnikom kształtowania lub komentowania ostatecznego raportu z badań, wspólne pisanie tekstów etnograficznych. Przyglądając się podstawowym pracom dotyczącym etnografii opartej na współpracy, a także odnosząc się do własnych praktyk badawczych, które są zainspirowane tym podejściem, chciałbym omówić jej warunki, zalety, możliwości, ograniczenia i pułapki.
Procesy biograficzne w analizie adaptacji księży do środowiska zamieszkania na emeryturze. Wybrane aspekty psychospołeczne
Authors: Niezabitowski Marek
Published: March 2022

Celem artykułu jest pokazanie, jak ważne dla adaptacji księży do życia na emeryturze mogą być psychospołeczne aspekty ich miejsca pobytu. Autor prezentuje swoje badania na temat procesów biograficznych, które doprowadziły katolickich duszpasterzy parafialnych dwóch wybranych diecezji do Domu Księży Emerytów, na parafię lub do mieszkań prywatnych, gdy znaleźli się na emeryturze. Część teoretyczna tekstu eksponuje ogromne znaczenie społecznego aspektu przywiązania do miejsca (social insideness) w procesach biograficznych kształtujących postawy respondentów wobec obecnego środowiska zamieszkania. Zaprezentowane badania pokazały, jak ważnym elementem emerytalnych projektów biograficznych księży może być wspomniane social insideness, w jak dużym stopniu postawa ta może decydować o świadomym wyborze miejsca pobytu na emeryturze. Trajektorie choroby i utraty sprawności oraz rosnącej zależności od innych mogą stanowić poważne zagrożenie dla nawet najlepiej zorganizowanych schematów biograficznych wspomnianych księży, jak i świeckich seniorów. Wzrastające wraz z demograficznym starzeniem się ludności Polski zapotrzebowanie na całodobową opiekę nad seniorami tracącymi sprawność uzasadnia wzorowanie się na placówkach dla księży, domach zasłużonego aktora czy niegdyś nauczyciela. Wzorem tych grup społecznych, podobieństwo modeli karier edukacyjnych i zawodowych osób przebywających w tej samej placówce stwarza szansę na zachowanie ich tożsamości społecznej, a przez to może im znacznie ułatwić adaptację do życia z problemami starości.
Comparisons of means of many populations
Authors: Kościński Krzysztof
Published: March 2022

Testing hypotheses on the equality of means is very common. Methods of comparing simultaneously many populations with regard to their means are less popular than the methods of comparing two populations. For this reason, the paper deals only with the latter case. Several tests used for the verification of hypotheses on the equality of many means are described. If such a hypothesis is rejected with these tests, we can find the so-called homogenous groups. An example is given showing how to use the tests and how to interpret the results obtained.
Atando los nodos sueltos: blockchain para la reducción de corrupción en las licitaciones públicas de Proinversión
Authors: Masumura Ynami Dana Lorena , Acosta Chia Valeria Alejandra
Published: March 2022

Las asociaciones público-privadas en Perú han sido creadas con la intención de fijar un punto medio entre las privatizaciones y el control absoluto del Estado en asuntos de interés público. El ejemplo más característico de ello son las concesiones. A pesar de los beneficios que ello conlleva, se ponen en manifiesto altos índices de corrupción dentro de los procedimientos de concesiones, lo cual reduce la credibilidad en las asociaciones público-privadas. Frente a esta problemática, surge la alternativa del aprovisionamiento electrónico (e-procurement), que implica el uso de tecnologías para procurar la transparencia y eficiencia de licitaciones públicas. Dentro de ello, el blockchain funciona como un instrumento aplicable a los procedimientos de concesiones.En el presente artículo, las autoras analizan de qué manera la corrupción se muestra como un problema latente en las concesiones, para luego pasar a responder por qué el blockchain es una alternativa para luchar contra ello. Posteriormente, estudian de qué manera sería posible aplicar ello en los procedimientos de concesiones a cargo de ProInversión. Finalmente, identifican los retos que conllevaría y analizan si el uso de la herramienta propuesta resulta efectivo.
Plataformas digitales y riesgos de conglomerado: desafíos para las autoridades de competencia en Iberoamérica en el análisis de operaciones de concentración
Authors: Von Chrismar Medina Andrea , Grebe Lira Benjamín
Published: March 2022

El presente artículo explora el tema de las operaciones de concentración, específicamente, en plataformas digitales. Así, analiza los posibles riesgos de estas y los retos que deben afrontar las agencias de competencia al analizarlas. De esta manera, los autores destacan variadas características de este mercado como su dinamismo e impredictibilidad –las cuales permiten que el mismo se adapte al aumento de demanda– y el importante papel de los datos de los usuarios en las concentraciones.Para cumplir con su objetivo, el artículo empieza con un recorrido teórico mediante la definición de conceptos clave para el entendimiento de las operaciones de concentración en plataformas digitales. No obstante, también se hace un análisis práctico al exponer cómo se han venido dando este tipo de concentraciones en la realidad, a través de casos recientes de gran relevancia.
Debates emergentes en materia laboral y de privacidad: sistemas de videovigilancia, algoritmos digitales e identificación biométrica de la persona trabajadora
Authors: Aragüez Valenzuela Lucía
Published: March 2022

Las tecnologías de la información y de la comunicación han revolucionado el mundo del trabajo reforzando, entre otros aspectos, el poder de vigilancia empresarial. Esto ha afectado a los derechos más básicos de los trabajadores, entre ellos, a su privacidad, de una forma ciertamente invasiva. Más aún, este control empresarial a través de las herramientas tecnológicas a veces no resulta ser del todo transparente u honesto, sino que puede llegar a invadir en la esfera privada de la persona trabajadora de forma inadvertida, creando incluso situaciones de discriminación.En este artículo, la autora reflexiona acerca de estos extremos que, a su vez, son objeto de ciertas controversias a nivel doctrinal y jurisprudencial, tratando de aportar una perspectiva crítica en favor de una mayor protección hacia la persona trabajadora y un fortalecimiento de la normativa laboral existente.
​Chip Detection of Rabbit Peripheral Blood Mononuclear Cells and 293T Cells Induced by Chicken Egg White Extract Shows Significant Differences in the Signaling Pathways that Regulate the Pluripotency of Stem Cells
Authors: Ruan Guang-ping , Yao Xiang , Mo Ping , Wang Kai , He Jie , Yang Zai-ling , Pang Rong-qing , Zhu Xiang-qing , Pan Xing-hua
Published: March 2022

Background: Stem cell protein chips can detect stem cell-associated proteins expressed in cells. Methods: We isolated and cultured rabbit peripheral blood mononuclear cells (R-PBMCs) in two bottles, one containing medium and one containing medium with 40% chicken egg white extract. Similarly, 293T cells were also divided into two vials: one vial contained medium and one vial contained medium with 40% chicken egg white extract. After 3 days of culture, proteins were extracted from the cells and used for the stem cell protein chip. Result: Protein chip detection showed that 10 stem cell-associated proteins were increased in the rabbit peripheral blood mononuclear cells induced by chicken egg white extract. There were also 4 stem cell-associated proteins increased in the 293T cells induced by chicken egg white extract. The results of KEGG enrichment analysis indicated that peripheral blood mononuclear cells of rabbits were involved in the regulation of stem cell pluripotency before and after induction. Moreover, 293T cells were involved in the regulation of stem cell pluripotency before and after induction.
Negotiating Writing Identities Across Languages: Translanguaging as Enrichment of Semiotic Trajectories
Authors: Kalan Amir
Published: March 2022

Drawing on findings from an ethnographic study of the writing practices of three plurilingual writers in Toronto, Canada, this article focuses on the translingual practices that these writers engaged with and discusses how these practices enriched their writing processes and products both in English and in their mother tongues. The author explains how these writers’ translanguaging was a complex process with five dimensions: (1) lexical, (2) syntactic, (3) rhetorical, (4) conceptual, and (5) presentational (how to present, share, and disseminate text). The article highlights how translanguaging contributed to the participants’ larger semiotic engagements. Moving beyond the formulations of semiotic agility as a technical skill, the author explains how translanguaging helped the writers maintain their writing identities by creating semiotic and semantic continuity in their writing trajectories.

S’inspirant des résultats d’une étude ethnographique sur les pratiques de rédaction de trois écrivains plurilingues de Toronto au Canada, cet article se concentre sur les pratiques trans-langagières que ces écrivains utilisent et discute de la façon dont ces pratiques ont enrichi leur processus et leurs produits d’écriture à la fois en anglais et dans leur langue maternelle. L'auteur explique comment le translanguaging de ces écrivains était un processus complexe en cinq dimensions : (1) lexical, (2) syntaxique, (3) rhétorique, (4) conceptuel et (5) présentationnel (comment présenter, partager et disséminer le texte). L’article souligne comment le translanguaging a contribué aux engagements sémiotiques plus larges des participants. En se déplaçant au-delà des formulations d’agilité sémiotique comme compétence technique, l’auteur explique comment le translanguaging a permis aux écrivains de maintenir leur identité rédactionnelle en créant une continuité sémiotique et sémantique dans leurs trajectoires rédactionnelles.
Hybrid Model of Singular Spectrum Analysis and ARIMA for Seasonal Time Series Data
Authors: Darmawan Gumgum , Rosadi Dedi , Ruchjana Budi N
Published: March 2022

Hybrid models between Singular Spectrum Analysis (SSA) and Autoregressive Integrated Moving Average (ARIMA) have been developed by several researchers. In the SSA-ARIMA hybrid model, SSA is used in the decomposition and reconstruction process, while forecasting is done through the ARIMA model. In this paper, hybrid SSA-ARIMA uses two auto grouping models. The first model, namely the Alexandrov method and the second method, is alternative auto grouping with a long memory approach. The two-hybrid models were tested for two types of seasonal patterns, multiplicative and additive seasonal time series data. The analysis results using both methods give accurate results; as seen from the MAPE generated the 12 observations for the future, the value is below 5%. The hybrid SSA-ARIMA method with Alexandrov auto grouping is more accurate for an additive seasonal pattern, but the hybrid SSA-ARIMA with alternative auto grouping is more accurate for a multiplicative seasonal pattern.
Sjögren sendromuna bağlı gelişen kuru göz hastalığında meydana gelen oküler yüzey değişikliklerinin konfokal mikroskopi ile değerlendirilmesi
Authors: ŞİMŞEK Cem
Published: March 2022

Amaç: Sjögren sendromuna bağlı olarak gelişen kuru göz hastalığında meydana gelen oküler yüzey değişikliklerini oküler yüzey testleri ve konfokal mikroskopi ile değerlendirmek.
Gereç ve Yöntem: Kliniğimizde Sjögren sendromuna bağlı kuru göz hastalığı ile takip edilen 25 hastanın ve 25 sağlıklı kontrol grubunun verileri prospektif olarak değerlendirildi. Tüm hastalara genel sistemik hastalık sorgusu ile birlikte tam oftalmik muayene yapıldı. Oküler yüzeyi değerlendirmek için çalışmaya katılan bireylerde oküler yüzey hastalıkları indeksi, Schirmer 1 testi, gözyaşı kırılma zamanı, korneal flöresein boyanma, strip meniskometri testi ve konfokal mikroskopi sonuçları değerlendirildi.
Bulgular: Sjögren sendromlu olgularda Schirmer 1 testi 2,41,1 mm, gözyaşı kırılma zamanı 3,10,9 saniye, korneal flöresein boyanma skoru 4,12,2, strip meniskometri skoru 1,80,8 mm, oküler yüzey hastalıkları indeksi skoru 22,111,6, dendritik hücre yoğunluğu 3811,3 hücre/mm2 ve subbazal sinir yoğunluğu 950375 μm/mm2 olarak değerlendirilmiştir. Sağlıklı kontrol grubunda ise Schirmer 1 testi 15,16,2 mm, gözyaşı kırılma zamanı 12,23,4 saniye, korneal flöresein boyanma skoru 2,2±1,8, strip meniskometri skoru 5,72,1 mm, oküler yüzey hastalıkları indeksi skoru 4,32,5, dendritik hücre yoğunluğu 8,32,7 hücre/mm2 ve subbazal sinir yoğunluğu 1077320 μm/mm2 olarak değerlendirildi. Sjögren sendromlu olgularda dendritik hücre yoğunluğu kontrol grubuna göre anlamlı olarak yüksek, subbazal sinir yoğunluğu anlamlı derecede düşük olarak değerlendirildi (p<0,001).
Sonuç: Lazer tarayıcı in vivo konfokal mikroskopi, Sjögren sendromu olan hastalarda kornea hücreleri morfolojisi, inflamatuar hücre yoğunluğu ve sinir lifi yoğunluğu gibi yapıların değerlendirilmesi için yararlı bir yöntemdir. Bu nedenle oküler yüzey değerlendirmesi ile birlikte konfokal mikroskopi sonuçlarının detaylı analiz edilmesi hastaların tanı ve tedavisinde yol gösterici olmaktadır
Sefazolinin değişen dozlarının in vitro 3T3-Fare fibroblast kültürü üzerine etkisi
Authors: TANRIVERDİ Bülent , KALECİ Belis , KOLUMAN Ali Can , TANRIVERDİ Gamze
Published: March 2022

Amaç: Sefazolin’in değişen dozlarının in vitro fibroblast kültürü üzerine olan etkilerinin araştırılması amaçlandı.
Gereç ve Yöntem: Bu çalışmada, in vitro iyileşme modellemelerinde yaygın olarak kullanılan 3T3 fare embriyonik fibroblast hücre soyu kullanıldı ve sefazolinin 0 μg/ml, 50 μg/ml, 100 μg/ml, 250 μg/ml, 500 μg/ml ve 750 μg/ml olarak belirlenen farklı dozları in-vitro olarak 3T3 fare fibroblast hücreleri üzerine uygulandı. Deneyler 24 ve 48 saat olarak planlandı. Bu sürelerin sonunda her bir grup, CCK-8 hücre proliferasyon, migrasyon ve oksidatif stres testleri ile değerlendirildi.
Bulgular: Gruplara ait IC50 değerleri 24 ve 48. saatler sonunda sırası ile 500- 750 μg/ml doz aralığında olarak bulundu. Buna karşın 50-500 μg/ml doz aralığında uygulanan sefazolinin ise hücre proliferasyonu üzerine olumsuz bir etki göstermediği görüldü. Migrasyon hızının doz ve zaman bağımlı olarak azaldığı tespit edilirken, buna karşın sefazolinin farklı doz aralıklarında uygulandığı deney gruplarında oksidatif stres açısından anlamlı bir fark tespit edilmedi.
Sonuç: Terapötik sınırlarda pre ve postoperatif olarak uygulanan sefazolin in vitro koşullarda 3T3 fare fibroblast hücreleri üzerinde olumsuz bir etki oluşturmamıştır.
Metastatik mide kanserinde karsinoembriyonik antijen (cea) prediktif midir?
Authors: YILDIRIM Serkan , BULUT Gülcan
Published: March 2022

Giriş: Mide kanseri dünya genelinde kanser sıklığında beşinci sırada, kansere bağlı ölümlerde de dördüncü sıradadır. Karsinoembriyonik antijen (CEA) mide kanserinin takibinde sıklıkla kullanılan bir tümör markeridir. Daha önce prognostik yönü çok çalışılmış olan bu markerin tedaviyi belirleyici (prediktif) yönünü araştırmak amacıyla çalışmamız şekillendirilmiştir.
Gereç ve Yöntem: Çalışmamız retrospektif, Türkiye’den beş merkezin katıldığı, 2015-2020 yılları arasında tıbbi onkoloji polikliniğine başvuran hastaların dahil edildiği bir çalışmadır. Karsinoembriyonik antijen serum seviyelerinin kestirim (cut-off) değeri belirlendi. Hastalar serum CEA düzeyi kestirim değerinin altında ve üstünde olmak üzere iki gruba ayrıldı. Bu gruplarda sisplatin temelli kemoterapiler ile sisplatin temelli olmayan kemoterapilerin genel sağ kalım üzerine etkisi karşılaştırıldı.
Bulgular: CEA kestirim değerinin altındaki hastalarda (n=166) sisplatin temelli kemoterapi alan olguların (n=94) genel sağ kalımı medyan 11,8 ay, sisplatin temelli olmayan kemoterapi alan olguların (n=72) 8,1 ay olarak hesaplandı (p=0,037). CEA kestirim değerinin üzerindeki hastalarda (n=140) sisplatin temelli kemoterapi alan olguların (n=85) medyan genel sağ kalımı 10,4 ay, sisplatin temelli olmayan kemoterapi alan hastalarda (n=55) 10,6 ay olarak hesaplandı (p=0,36).
Sonuç: Çalışmamızda serum CEA düzeyi kestirim değerinin altında saptanan olgularda, birinci basamak tedavide sisplatin temelli kemoterapi alan hastaların genel sağ kalımı, sisplatin temelli olmayan kemoterapi alan hastaların genel sağ kalımına göre istatistiki olarak anlamlı şekilde daha uzun bulunmuştur. Bu sonuca göre CEA tedavi tercihini etkileyen prediktif bir tümör markeri olarak değerlendirilebilir. CEA düzeyi düşük olan hasta popülasyonunda sisplatin temelli tedavilerin tercih edilmesi daha uygun olabilir.
Vena kava inferior ve sağ atriyuma uzanan tümör trombüsü ile prezente olan renal hücreli kanser olgusu
Authors: EKİZALİOĞLU Duygu Doğa , BAYRAKTAROĞLU Selen , POSACIOĞLU Hakan
Published: March 2022

Zaman içerisinde görüntüleme yöntemlerinin kullanım sıklığının artması ile rastlantısal olarak saptanan solid renal kitlelerin sayısı artmıştır. Doğru tanı, tedavi ve takip süreci için rastlantısal solid renal kitlelerin karakterizasyonları oldukça önemlidir (1). Primer renal neoplazilerin yaklaşık %80-90’ını oluşturan renal hücreli kanser, en yaygın solid renal neoplazi olarak bilinmekte ve sık teşhis edilen yetişkin kanserlerinin arasında yer almaktadır. Renal hücreli kanser, tümör trombüsü yolu ile renal venlere, ana renal vene, vena kava inferior’a ve potansiyel olarak sağ atriyuma uzanım gösterme eğilimindedir. Vena kava inferior’a uzanım gösteren tümör trombüslerinin ise sadece %10’u sağ atriuma ulaşmaktadır (2). Renal hücreli kansere eşlik eden malign trombüs uzanımı, planlanan cerrahi tedavinin merkezinde yer almakta, bu nedenle de görüntüleme yöntemleri ile malign trombüsün saptanması ve uzanımının değerlendirilmesi oldukça önem arz etmektedir.
Baş ağrısı ve anksiyete bozukluğu ile seyreden konveksite araknoid kisti tedavisinde burr hole trefinasyonu: olgu sunumu
Authors: TURGUT Mehmet , YAY Murat Özcan
Published: March 2022

Bu yazıda, 18 yaşında bir kız çocuğunda nadir görülen bir sağ frontal konveksite araknoid kisti (AK) olgusu sunuyoruz. Son iki ayda progresyon gösteren baş ağrısı ile birlikte 13 yıldır devam eden sağ taraflı hemifasiyal spazm öyküsü ile başvurdu. Öyküsünde, anksiyete bozukluğu nedeniyle uygulanmış olan ilaç tedavisinden fayda görmediği saptandı. Bu nedenle, burr-hole trefinasyonu şeklinde bir cerrahi drenaj uygulandı ve daha sonra yapılan kontrol muayenesinde, AK'in kısmen nüksetmesine rağmen, hastanın yakınmalarının tamamen kaybolduğu görüldü. Burada, başağrısı ve anksiyet bozukluğuna sebep olan ve burr-hole trefinasyon yoluyla cerrahi drenaj ile tedavi edilen nadir bir konveksite AK olgusu sunulmaktadır
Duodenal divertikül içindeki anjiodisplaziye bağlı varis dışı üst gastrointestinal sistem kanaması: olgu sunumu
Authors: BUYRUK Abdullah Murat
Published: March 2022

Duodenal divertikül rutin endoskopide çoğunlukla gözden kaçmaktadır. Ancak nadiren varis dışı üst gastrointestinal sistem kanamasının nedeni olarak karşımıza çıkabilir. Burada, duodenal divertikül içindeki anjiodisplaziye bağlı varis dışı üst gastrointestinal sistem kanaması izlenen bir olguyu bildirdik. Odak bulunamayan varis dışı üst gastrointestinal sistem kanamasında duodenal divertikülün odak olabileceği mutlaka akılda tutulmalıdır.