bluuebunny/crossref_metadata_2025_split huggingface dataset:
The effect of rare earths (Nd3+, Er3+, Yb3+) additives on the radiation shielding properties of the tungsten oxide modified tellurite glasses
Authors: Kaban Ömer , Cengiz Gülçin Bilgici , Çağlar İlyas , Bilir Gökhan 
Published: August 2024

Abstract
In this study, we have reported on the effect of the rare earth oxides on the radiation protection performance of the tellurite glasses. In order to determine the effect of rare earth oxides on the radiation shielding properties of tungsten oxide (WO3) modified tellurite glasses, three rare earth element oxides (Nd2O3, Yb2O3, and Er2O3) have been selected. The glass systems have been synthesized using the traditional melt quenching method and were doped with the different amount (1 %, 3 %, 5 %) of the oxides of rare earth elements (Nd2O3, Yb2O3, Er2O3). The linear attenuation coefficient, mass attenuation coefficient, half value layer, and effective atomic number of the synthesized samples were experimentally measured for 662, 1,173 and 1,332 keV gamma-ray energies which were emitted from 137Cs and 60Co radioactive sources. Measurements were conducted in narrow beam transmission geometry using a NaI(Tl) scintillation detector. In addition, all these parameters were calculated theoretically using the WinXCOM program in the energy region of 0.015–15 MeV. The addition of different types and amounts of rare earth oxides to the tellurite glass system was found to significantly enhance the radiation protection performance of the glasses. In particular, it was found that the radiation shielding characteristics of the glasses improved with increasing amount of rare earth doping, the TWYb5 glass system had the best radiation shielding properties, and there was a trend among the doped rare earth oxides in the form of Yb > Er > Nd according to their radiation shielding performance.
Calibration and Validation of S3F Sensor for Measuring Normal and Shear Stresses in Soil
Authors: Alqrinawi Hussein , Lin Hai , Chen Shengli , Rogoshchchenkov Nikolay , Lawrence Michael , Ryan Colleen , Palluconi Steve 
Published: August 2024

Abstract
Innovative sensors can provide new capabilities to monitor and understand the behavior of soil, rock, and geo-structures and help geotechnical engineers make informed decisions about the construction and maintenance of geo-structures. This study introduced, calibrated, and validated one such sensor, the Surface Stress Sensitive Film (S3F) point sensor, for both normal and shear stress measurements in soil and along the soil–structure interface. The measurements of the S3F sensor rely on the deformation of an elastic film that is monitored by a magnetic floating element embedded in the elastic film and a Hall effect sensor. This sensor provides measurements of the 3-D deformation of the film, which are converted to normal and shear stresses using an a priori calibration. The calibrations of the S3F sensor were performed considering the effect of the loading areas, loading and unloading conditions, and soil particle sizes. Then, the performance of the S3F sensor to measure the normal stresses in soil and shear stresses at the soil–wooden block interface under static tension and pull-out conditions was evaluated. It was found that the normal stress calibration curves depended on the sizes of the loading areas because of the stiff housing boundary effect. However, the shear stress calibration curves were independent of the loading areas. The S3F sensor showed an ability to measure normal stresses in three different types of soils, including two silica sands from Ottawa, Illinois, with particle sizes ranging between sieve No. 20 and 30 (Ottawa 20/30 sand) and sieve No. 50 and 70 (Ottawa 50/70 sand) and finely ground silica silt (Sil-Co-Sil). The S3F sensor also showed an ability to measure the shear stresses at the soil–structure interface, which match well with the theoretical shear stresses. The S3F sensor has potential for stress measurements at the soil–structure interfaces in foundations, tunnels, pipes, and retaining systems.
Effect of Accompaniment Trained Peer Neighbor on Exclusive Breastfeeding Duration and Prevalence: A Quasi-Experimental Study
Authors: Irmawati Irmawati , Nugraheni Sri Achadi , Sulistiyani Sulistiyani , Sriatmi Ayun 
Published: August 2024

Introduction: Postpartum care in the hospital was very short, while the breastfeeding period was very long. On returning home, mother need the closest, affordable and ongoing supporting of trained neighbors for exclusive breastfeeding up to 6 months. This study aimed to examine the effect of accompaniment by trained peer neighbor (ATPN) on exclusive breastfeeding (EBF) duration and prevalence. Methods: The experimental quasi-design was used to compare duration of EBF in the intervention group (n=49) and the control group (n=49). The intervention group received ATPN by scheduled home visits 15 times with providing informational and practical support. The control group received the postpartum care-standard. Duration of EBF was measured weekly to 24th week postpartum. Survival analysis was used to compare duration of EBF between groups. A Cox proportional hazards regression analysis was used to estimate adjusted hazard ratios for cessation of EBF. Results: The intervention increases the duration of EBF. Median duration of EBF in the intervention and control group were 21.63 weeks and 15.85 weeks respectively (p0.001). The prevalence of EBF at 12, 20, 24 weeks for the intervention versus control groups were (93.8% vs 69.3 %) (79.5% vs 44.8%), (59.1% vs 12.2%) respectively. Mothers in the control group were four times more likely to cessation EBF each of time than were mothers in the intervention group (HR 4.24; 95% CI: 2.56, 6.99). Conclusion: The ATPN effectively increases exclusive breastfeeding duration. It was easy to implement at a lower cost, sustainable, and effective.
Nutritional Literacy as An Effect Modifier on Undernutrition Incidence among Poor Urban Family in Semarang City
Authors: Budiono Irwan , Hermawati Bertakalswa , Rochmayani Dewi Sari , Fauzi Lukman 
Published: August 2024

Kemiskinan merupakan akar dari penyebab masalah gizi kurang. Wilayah Gunung Brintik Kelurahan Randusari Kota Semarang merupakan wilyah kantung kemiskinan di pusat Kota Semarang dengan jumlah penduduk miskin sebesar 28.48% serta prevalensi gizi kurang sebesar 60%. Penelitian ini dilakukan untuk menganalisis faktor risiko gizi kurang serta menganalisis literasi gizi ibu sebagai efek modifikasi kejadian gizi kurang pada balita. Penelitian dilakukan dengan desain cross sectional melibatkan 97 balita di wilayah Gunung Brintik RW III dan IV Kelurahan Randusari Kota Semarang. Pengumpulan data dilakukan dengan observasi dan wawancara responden ibu balita. Analisis bivariat dilakukan menggunakan uji chi square, sedangkan analisis multivariat menggunakan multiple logistic regression. Hasil penelitian menunjukkan terdapat 12 variabel yang memiliki asosiasi dengan kejadian gizi kurang pada balita, yaitu jenis kelamin, riwayat IMD, riwayat imunisasi, riwayat penyakit infeksi, asupan energi, asupan protein, asupan lemak, asupan karbohidrat, pendidikan ibu, pendidikan ayah, pendapatn keluarga, dan literasi gizi. Hasil analisis multivariat menunjukkan adanya interaksi antara pendapatan keluarga dengan literasi gizi sebagai variabel interaksi (nilai p: 0,044). OR adjusted pendapatan keluarga dan literasi gizi terhadap kejadian gizi kurang diperoleh OR = 2,37 (1,07-9,38). Keluarga yang mampu secara ekonomi, tetapi memiliki literasi gizi yang kurang berisiko sebesar 2,37 kali lebih besar untuk memiliki balita yang mengalami gizi kurang daripada keluarga yang mampu secara ekonomi dan memiliki literasi gizi yang baik. Dengan demikian, efek risiko pendapatan keluarga yang kurang terhadap kejadian gizi kurang termodifikasi oleh literasi gizi sebagai effect modifier.
Factors Causing Decreasing Quality of Vaccines: A Systematic Review
Authors: Naimah Naimah , Setyaningsih Wahyu , Mansur Herawati , Agustia Dilma'aarij , Maulidia Miftakul Fira 
Published: August 2024

Abstract. Objectives. Vaccines were essential to prevent the spread of disease. The contents would be practical if the storage, distribution, handling, and delivery to the target were carried out correctly and following procedures. Methods. Using guidelines from the PROSPERO platform using the PRISMA flow diagram to select articles. The search keywords are observational studies, experiments, qualitative studies, and grey literature. Studies addressing factors affecting vaccine quality, published between 2009 and 2022 in English, were included. Results. Of the 13 included studies, several factors were identified, all explained due to inaccurate vaccine storage temperature settings. From several studies, it is recommended to carry out consistent SOPs, supervision, training for staff involved in vaccines, innovation of vaccine distribution tools, and policies from local government stakeholders.
Does exogenous glucocorticoid administration during pregnancy precipitate the timing of labor? A scoping review
Authors: Karampitsakos Theodoros , Kanouta Fotini , Chatzakis Christos , Bakoulas Vassilios , Gryparis Alexandros , Drakakis Petros , Macut Djuro , Mastorakos George 
Published: August 2024

Introduction
To investigate whether synthetic (s) glucocorticoids (GCs) administered between the 24th and the 34th gestational weeks in pre-term labor might precipitate labor, studies on sGCs administration were reviewed. The physiology of endogenous glucocorticoid-related increase in fetal–maternal circulation and its association with labor, followed by a scoping review of studies on exogenous sGCs administered for fetal lung maturation and the timing of labor, were included.

Materials and methods
The methodology of systematic reviews was followed. MEDLINE, Cochrane Library, and Google Scholar databases were searched until October 2023, for original studies investigating the administration of sGCs in pregnancies risking pre-term labor. Duplicates were removed, and 1867 abstracts were excluded as irrelevant. Six controlled and four non-controlled studies were included. The index group consisted of 6001 subjects and 7691 controls in the former, while in the latter, the index group consisted of 2069 subjects.

Results
In three out of the six controlled studies, gestational age at labor was significantly lower in sGC-treated women than in controls, while in three studies, gestational age at labor was lower in sGC-treated women than in controls, with a trend toward statistical significance. In one study, gestational age at labor was significantly lower in controls than in sGC-treated women. In the non-controlled studies, the majority of women delivered less than 1 week from the day of sGC administration.

Conclusions
In this scoping review, studies lack homogeneity. However, in the controlled studies, a pattern of earlier labor emerges among sGC-treated pregnant women. The use of multiple courses of antenatal sGCs appears to be associated with precipitated labor. Their use should be carefully weighed. Carefully designed trials should examine this ongoing scientific query.
IMPACT OF REAL-LIFE ENVIRONMENTAL EXPOSURES ON REPRODUCTION: Impact of developmental exposures to endocrine-disrupting chemicals on pituitary gland reproductive function
Authors: Ge Xiyu , Weis Karen , Raetzman Lori 
Published: August 2024

In brief
Endocrine-disrupting chemicals can impact reproduction by affecting the hypothalamic–pituitary–gonadal axis. This review emphasizes the impact of endocrine-disrupting chemicals on pituitary development and function.

Abstract
The pituitary gland is crucial for regulating many physiological systems, including reproduction. Clear evidence suggests that pituitary function can be impaired by exposure to endocrine-disrupting chemicals (EDCs). Humans and animals are exposed to EDCs throughout life, but exposure during critical periods when the pituitary is developing could have more damaging consequences. In this review, we summarize the development of the pituitary gland, including the impact of hormone signals, and describe how in vivo EDC exposure during development might alter pituitary function. These include changes in pituitary hormone, mRNA, and protein expression levels, as well as pituitary cell number and population balance. We focus on reproductive hormone-producing cells as well as other endocrine and pituitary stem/progenitor cells. We reveal the current gaps in knowledge and suggest future directions in terms of understanding the effects of developmental EDC exposure directly on the pituitary gland.
Exogenous melatonin ameliorates embryo–maternal cross-talk in early pregnancy in sheep
Authors: Viola Irene , Sosa Cecilia , Accornero Paolo , Manenti Isabella , Canto Francisco , Miretti Silvia , Abecia José Alfonso , Toschi Paola 
Published: August 2024

In brief
Melatonin plays a crucial role in enhancing reproductive performance in small ruminants. This paper reveals the effects of exogenous melatonin on the placental and endometrial rearrangement in early pregnancy in sheep.

Abstract
Early pregnancy losses cause 25% of pregnancy failures in small ruminants because of asynchrony between conceptus and uterine signals. In this context, melatonin plays a crucial role in sheep reproductive dynamics, but little is known about its effects during the peri-implantation period. We hypothesized that melatonin supports embryo implantation by modulating the uterine microenvironment. This study aimed to assess the effects of exogenous melatonin on the endometrial and early placental rearrangement. Ten multiparous ewes either did (MEL, n = 5) or did not (CTR, n = 5) receive a subcutaneous melatonin implant (18 mg) 50 days before a synchronized mating. On day 21 of pregnancy, the sheep were euthanized. MEL ewes exhibited a higher prolificity rate (2.8 vs 2.0 embryos/ewe) and plasma progesterone levels (3.84 vs 2.96 ng/mL, P < 0.05) than did CTR ewes. Groups did not differ significantly in embryo crown-rump length. MEL placentas had significantly (P < 0.001) more binucleated trophoblast cells in the chorion region, and ovine placental lactogen expression was significantly (P < 0.05) more strongly upregulated than in CTR. Exogenous melatonin increased significantly (P < 0.05) gene expression of angiogenic factors (VEGFA, VEGFR1, IGF1R), IFNAR2, and PR in the caruncular endometrium. Expression of the MT2 receptor in the endometrium and placenta was significantly (P < 0.05) higher in the MEL group. These results indicate that melatonin implants acted differentially on uterine and placental rearrangement. Melatonin increases differentiation in the placenta and induces changes that could promote vessel maturation in the endometrium, suggesting that it enhances the uterine microenvironment in the early stage of pregnancy in sheep.
Estudio piloto: necesidades energéticas de mujeres en edad fértil con actividad agrícola en el distrito de Campoverde, provincia Coronel Portillo, departamento de Ucayali, Perú, comparadas con las recomendaciones internacionales de la FAO/OMS/UNU de 2004
Authors: Quiliche Castañeda Ruth Beatriz 
Published: August 2024

Objetivo: Estimar el porcentaje de adecuación del gasto energético medido a través de la técnica de frecuencia cardiaca respecto a las recomendaciones energéticas internacionales vigentes de la FAO / OMS / UNU de 2004 de mujeres en edad fértil con actividad agrícola de cuatro caseríos del distrito de Campoverde, provincia Coronel Portillo, departamento de Ucayali, Perú.Método: Estudio prospectivo, transversal y analítico. Se llevó a cabo en los caseríos: Los Vencedores, Los Pinos, Hierba Buena y Veintitrés de Octubre del distrito de Campoverde, provincia de Coronel Portillo, departamento de Ucayali del Perú, durante diciembre de 2005 a enero de 2006.De 102 mujeres en edad fértil que fueron visitadas en su vivienda 61 (59,81%) aceptaron, calificaron, y se comprometieron a participar en el estudio.Resultados: El promedio de las necesidades energéticas estimadas según las ecuaciones de la FAO / OMS / UNU de 2004 fue 2 047,66 ± 192,11; 2 372,73 ± 288,16; y 2 304,22 ± 298,41 caloríasversus el gasto energético total medido con la técnica del monitoreo de frecuencia cardiaca que fue: 2 785,00 ± 108,28; 2 622,19 ± 478,62; y 2 518,67 ± 397,41 para los grupos de 10,00 a 17,99 años, 18,00a 29,99 años y 30,00 a 59,99 años respectivamente con significancia estadística en los tres grupos de edad p < 0.05.Conclusiones: El gasto energético medido a través de la técnica de frecuencia cardiaca comparado con las recomendaciones energéticas internacionales vigentes según la FAO / OMS / UNU de 2004 de mujeres en edad fértil con actividad agrícola fue mayor en los tres grupos etáreos.
Relación entre el síndrome de Burnout y la calidad de vida del profesional de enfermería de la Clínica Good Hope, julio 2009
Authors: Sotelo Rosales Marisol 
Published: August 2024

Objetivo: Determinar la relación que existe entre síndrome de Burnout y la calidad de vida de los enfermeros de la Clínica Good Hope. Metodología: Se realizó un estudio de corte transversal correlacional. El universo elegido estuvo constituido por 35 enfermeras de la Clínica Good Hope en el mes de julio del año 2009. Se utilizó el cues- tionario de Maslach Burnout Inventory para medir el síndrome de Burnout y el SF-36 de Medical Outcomes Study para la calidad de vida. Los datos fueron procesados utilizando el paquete estadístico SPSS v.15 a través de los cuales se realizaron las pruebas de hipótesis para la Chi cuadrada con un nivel de confianza 95%. Resultados: Como resultado se encontró que el promedio obtenido del total de encuestas según el cuestionario Maslach en el área de agotamiento emocional fue de 26 lo que indica un nivel medio, del mismo modo en el área de despersonalización se obtuvo un promedio de 10 el mismo que indica un nivel de despersonalización media; por otro lado, en el área de realización personal se obtuvo un promedio 49, el cual indica un nivel bajo. Con respecto a las 8 dimensiones de la Calidad de Vida, la Función Física presenta la puntuación máxima de 92, seguidamente el Rol Físico con 88 y en el Rol Emocional con 80; en las puntuaciones menores que corresponden a Deficiente Calidad de Vida son Salud Ge- neral, Vitalidad con 66 de promedio y 70 en Dolor Corporal. El R de Pearson indica que la prueba del agotamiento emocional se relaciona significativamente con la función física (P=0.003 < 0.05), con el dolor corporal (P=0.048< 0.05), con la salud general (0.013 < 0.05), con la vitalidad (P=0.003 < 0.05), con la función social (P=0.041 < 0.05) y con la salud mental (P=0.002 < 0.05), así también se puede observar relación significativa en la realización personal con la función física (P=0.004 < 0.05), con la vitalidad (P=0.013 < 0.05) y con la salud mental (P=0.013< 0.05). Conclusión: Las enfermeras de la Clínica Good Hope tienen mejor calidad de vida en la función física, rol físico y rol emocional. Asimismo, las enfermeras presentan en promedio nivel medio de agotamiento emocional y despersonalización, así como nivel bajo de despersonalización. Cabe resaltar que las enfermeras se encuentran con tendencia a desarrollar este síndrome; por lo tanto, sugerimos llevar a cabo programas preventivos que se ajusten a la necesidad específica de la institución para mantener elevado grado de satisfacción de las enfermeras y pacientes.
Funcionamiento familiar y adicción a internet en estudiantes de una institución educativa pública de Lima Norte
Authors: Adriano Rengifo Cristian , Mamani Ferrúa Luis , Vilca Quiro Wildman 
Published: August 2024

Objetivo: Determinar la relación entre funcionamiento familiar y adicción a internet de los alumnos adolescentes de una institución educativa pública de Lima Norte. Material y métodos: Se utilizó el diseño no experimentalde corte transversal y de tipo correlacional. Asimismo, se empleó un muestreo no probabilístico intencional,incluyendo alumnos de ambos sexos con edades entre 12 y 20 años. Resultados: El 44% de los adolescentespresenta un funcionamiento familiar de rango medio y solo un 21.7% tiene un funcionamiento extremo. Asimismo, el 86% de los participantes evidencia un uso normal de internet, el 13% se encuentran en riesgo de adicción ysolamente cerca del 1% presenta uso adictivo de internet. Además, no se encontró relación significativa entre las variables de estudios (Chi = 4,079; p>,395), a excepción de cohesión familiar (r= -.223, p<0.01) Conclusiones:El funcionamiento familiar no se relaciona significativamente con la adicción a internet. Sin embargo, se encontró relación negativa con cohesión familiar, es decir, cuanto mayor es la cohesión familiar menor es el riesgo de adicción a internet.
MARKETING STRATEGY FORMATION UNDER SANCTION: UTILIZING BALANCED SCORECARD AND HOSHIN KANRI MODELS IN THE IRAN KHODRO COMPANY’S REGIONAL PASSENGER CAR MARKETS
Authors: Rezaeinejad I. 
Published: August 2024

There is a sufficient amount of research to confirm that economic sanctions can cause significant damage both to the economic growth of a country and to companies operating in a sanctioned country. In response to multilateral economic sanctions, the sanctioned country develops a number of strategic programmes aimed at easing the sanctions and supporting its economy. Companies also develop strategies to survive and make sustainable profits.The study aims to examine the strategies that enable companies not only to survive, but also to thrive in international markets; the functional strategies that companies use to increase the efficiency of their activities.The Iranian automotive industry served as the empirical basis for the study. The case study is of Iran Khodro, one of the two leading companies in the Iranian automotive industry, which accounts for more than 50% of the automotive market in Iran, is given. Using data from companies in the automotive industry, we found that among the functional strategies, marketing strategy is the most important for its effectiveness.In addition, the management of financial, customer and operational indicators based on the MTSP (Balanced Scorecard) is positively associated with the entry of companies into foreign markets. Finally, this study has showed that for companies in the automotive industry, access to new technologies, financial resources, a strategic plan and an export orientation are key to working successfully under sanctions.