bluuebunny/crossref_metadata_2025 huggingface dataset:
The mesenchymal potential of trunk neural crest cells
Authors: Rodrigues-Da-Silva Monica Alves , de Espindola da Silveira Guilherme , Taufer Clarissa Reginato , Calloni Giordano Wosgrau
Published: July 2022

It has long been held that the main difference between cranial and trunk neural crest (CNC and TNC, respectively) was the potential of CNC to originate mesenchymal cell types, especially skeletogenic. This is an age-old question that continues to challenge researchers, even today. Unfortunately, to date, no consensus has concluded the extent of TNC mesenchymal potential, nor has a systematic review been conducted to organize current knowledge about this fascinating question. However, the number of studies related to this question have expanded and deepened considerably in the last few years thanks to several new different species of vertebrates employed, the generation of transgenic animal strains, the combination of cell markers, and also the improvement of cell culture conditions through the use of different substrates and signaling molecules. Therefore, this review summarizes the literature showing that TNCCs can generate a broad range of mesenchymal cell types, including skeletogenic. This potential can be unveiled by certain favorable
in vitro conditions, but it also seems to be expressed in some animal structures in vivo, to which TNCCs contribute. We also present several works that offer a contrary view and do not detect any mesenchymal/skeletogenic contribution of TNCCs in vivo. Perhaps, it is the controversy itself that makes this subject even more exciting.
Aeolian surface transformations on the alluvial fan of the Nyírség
Authors: Lóki József , Négyesi Gábor , Buró Botond , Félegyházi Enikő
Published: July 2022

The evolution of the Nyírség and its landforms has been widely addressed by Hungarian geographers and geologists in the past and at present as well. Early works were mainly concentrating on understanding the complex, fluvial and aeolian genetics of the territory, later more specific forms and problems were studied and revealed. By the increasing number of chronological evidence derived from stratigraphic, pollen and archaeological data and absolute dating techniques (radiocarbon and optically stimulated luminescence) the geomorphological development can be reconstructed in more detail, especially in the context of climate variations and human intervention. Our study aims to summarize and outline the times of aeolian activity, with special respect to Holocene events, on the basis of the researches carried out so far. By nowadays it is obvious that sand was moving on several occasions in the Nyírség during the Holocene subsequent to the main aeolian land formation periods of the Upper Pleniglacial and the late glacial. In the first half of the Holocene sand movement can be related to dry periods, thus aeolian activity was driven mostly by climatic factors. In the second half of the Holocene the area of land affected by wind erosion decreased and in most cases events can be associated to the activity of man. Nevertheless, climatic and anthropogenic factors could be superimposed, leading to significant local sand mobilisation.
Impactos dos ventos a partir da ambientalização e estrangeirização da terra
Authors: Silva Tarcísio
Published: July 2022

A ambientalização e estrangeirização de terras são dois fenômenos globais que se cruzam com a produção de energia eólica. Nelas se encontra um processo de financeirização de terras implicando na alteração dos seus usos com impactos que podem ser percebidos localmente. Para compreender isso, o presente trabalho utiliza dados de um estudo de caso realizado em duas comunidades, em Pernambuco, afetadas pelos impactos da implantação de torres de aerogeradores. Os resultados demonstram como a geração de energia eólica se vale de narrativas de preocupação ambiental para esconder externalidades negativas operadas pela ação de investidores estrangeiros em comunidades rurais.
Educação e inclusão no contexto do “neoliberalismo conservador” no Brasil
Authors: Da Silva Mozart Linhares
Published: July 2022

O artigo problematiza, a partir da perspectiva da governamentalidade de Michel Foucault, as relações entre o neoliberalismo, inclusão e exclusão, considerando duas configurações do neoliberalismo, o democrático e o conservador. Mostra como o imperativo da inclusão se constituiu numa estratégia de governamentalidade, sobretudo entre o período democrático, inaugurado pela Constituição de 1988 até o impeachment de Dilma Rousseff, em 2016, e como, com a ascensão da extrema-direita, com a eleição de Jair Bolsonaro, esse imperativo perde sua força interpretativa nas análises do neoliberalismo. O artigo está dividido em três partes, além da introdução. Na primeira parte, analisa-se como o imperativo da inclusão agenciou as narrativas neoliberais sobre o capital humano e a educação. Na segunda, problematiza o esgotamento do imperativo da inclusão com a emergência do neoliberalismo de feição conservadora. Por fim, na terceira, ou considerações finais, aponta para a necessidade de problematizações sobre as relações entre neoliberalismo, conservadorismo e fascismo como pano de fundo das discussões sobre educação, in/exclusão e precarização.
Analysis of parameters important for indirect drying of biomass fuel
Authors: Sabatini Michel , Havlík Jan , Dlouhý Tomáš
Published: July 2022

This paper focuses on biomass drying for the design and operation of an indirect dryer used in a biomass power plant. Indirect biomass drying is not as well described process as direct drying, especially when used for the preparation of biomass in energy processes, such as combustion or gasification. Therefore, it is necessary to choose a suitable model describing the drying process and evaluate its applicability for this purpose. The aim of this paper is to identify parameters that most significantly affect the indirect drying process of biomass for precise targeting of future experiments. For this purpose, the penetration model was chosen. The penetration model describes indirect drying through 21 parameters. To run a series of experiments focused on all parameters would be time consuming. Therefore, the easier way is to select the most important parameters through a sensitivity analysis, and then perform experiments focused only on the significant parameters The parameters evaluated as significant are the temperature of the heated wall, operating pressure in the drying chamber, surface coverage factor, emissivity of the heated wall, emissivity of the bed, diameter of the particle, and particle surface roughness. Due to the presumption of perfect mixing of the material being dried, stirrer speed is added into important parameters. Based on these findings, it will be possible to reduce the scope of experiments necessary to verify the applicability of the penetration model for the description of indirect biomass drying and the design of dryers for a practical use.
REDUCING VENTILATOR ALARMS THROUGH DECREASED RAINOUT IN VENTILATOR CIRCUITS: A BENCH STUDY
Authors: Bayoro Danielle , Meyer Matthew , Healy Daniel , Groepenhoff Herman , Waldmann Andreas , Rose Edward A. , Pedro Michael J.
Published: July 2022

Alarm fatigue is a significant problem in healthcare, particularly in high acuity settings such as intensive care, surgery, and emergency departments. Alarms are triggered by various devices such as anesthesia machines, ventilators, patient monitors or humidifiers. Heated humidifiers (HH) used with mechanical ventilators, while necessary to prevent other complications associated with mechanical ventilators, may cause condensation in the ventilator circuit, prompting occlusion alarms indicating a risk for the patient. Technological advances in HH circuits may reduce rainout in the circuits and therefore occlusion alarms. Bench experiments measured alarms and rainout of two commercially available humidifiers (AirLife DuoTherm™ and Fisher & Paykel MR850) and four different pediatric and adult patient breathing circuits. The tests examined condensation accumulation in the circuits after 24 hours of low-, nominal-, or high-flow rates of gas at low-, nominal-, and high-ambient temperature settings. Dual-limb designs of adult- and neonate-sized circuits underwent evaluation. Data on alarms was collected for each system. Low temperature and occlusion alarms were less common in DuoTherm vs. MR850 HH circuits (6 vs. 68 alarms, respectively). DuoTherm products accumulated significantly less rainout for both circuit sizes at all ambient temperatures. In general, the set flow rate did not dramatically affect the amount of rainout for adult and infant circuits, but low versus high ambient temperatures yielded increased rainout for all circuit types (p < 0.02). The DuoTherm HH device and patient circuits developed significantly less alarms due to rainout and low temperatures compared to those from MR850 under all the conditions tested. Such reduction in patient alarms should help reduce alarm fatigue among healthcare workers in critical care settings.
DIFFERENCES IN OCULAR SURFACE DISEASE INDEX SCORE IN PATIENTS BEFORE AND AFTER COMBINATION OF PHACOEMULSIFICATION AND TRABECULECTOMY.
Authors: Panggabean Avri , Prihatningtias Riski , Wildan Arief , Cahyono Maharani
Published: July 2022

AbstractBackground: Dry eye is a disturbance on the surface of the eyeball marked by the loss of tear layer homeostasis, which can occur due to the instability and hyperosmolarity of tear film, inflammation or damage to the surface of the eyeball, and neurosensory abnormalities. Some surgical interventions related to the anterior part of the eye can cause symptoms of dry eye, one of which is facotrabeculectomy is a combination of surgical intervention performed in glaucoma patients with cataracts. One examination to evaluate the symptoms of dry eye is to use the Ocular Surface Disease Index (OSDI) questionnaire.Objective: This study aims to observe the difference in Ocular Surface Disease Index (OSDI) scores in patients before and after surgery combined with phacoemulsification and trabeculectomy.Methods: Analytic observational research with one group pretest and posttest research design. With a large sample of 18 respondents who were evaluated by the OSDI questionnaire in patients before and two weeks after facotrabeculectomy. Hypothesis testing with a paired T-test.Results: The results showed that before the surgery for facotrabeculectomy, the average OSDI score was 50.4628 ± 7.9429. After two weeks postoperatively the results of the study showed the average OSDI score was 58.7972 ± 7.7155. Hypothesis testing showed that OSDI scores before and after facotrabeculectomy surgery were significant differences (p = 0.001 / p <0.05).Conclusion: There were significant differences in OSDI scores in patients before and after facotrabeculectomy surgery.
DIFFERENCES IN INTERLEUKIN-23 SERUM LEVELS TOWARDS THE SEVERITY OF ACNE VULGARIS IN WOMEN
Authors: Resya Wafi Banadzir , Kusumaningrum Novi , Jaeri Santoso , Utomo Astika Widy
Published: July 2022

Background: Acne vulgaris is a chronic inflammatory disease in the pilosebaceous gland of the skin which can cause depression and anxiety. IL-23 is a cytokine that is involved in autoimmune diseases, including acne vulgaris. IL-23 affects the differentiation process of Th17 which further produces IL-17, an important component in the pathogenesis of acne vulgaris. IL-17 plays a significant role in the grade of skin damage caused by the inflammation process.Objective: To find out differences in IL-23 serum levels and the grade of AV severity in women.Methods: An observational study with a cross-sectional design approach conducted from June until October 2020 in 15 women with AV aged 15-25 years old, not consuming anti-inflammatory drugs, antibiotics, retinoid group of drugs and free from other inflammatory diseases. Subjects were divided into three groups based on the AV severity grade: specifically mild (n=5), moderate (n=5) and severe (n=5). Subjects had venous blood taken for IL-23 serum content by the ELISA method. Data on IL-23 serum content in the three groups were tested using the One-Way ANOVA method to determine the differenceResults: Average age from the 3 groups was 21 (17-23 ) years old. The results showed that there is no significant difference in IL-23 rate from the 3 groups of AV severities (p=0,490).Conclusion: : There is no significant difference of IP-23 rate between the 3 groups of AV severites in women.
THE CORRELATION BETWEEN MEAN ATERIAL PRESSURE AND BLEEDING VOLUME WITH THE NATIONAL INSTITUTE OF HEALTH STROKE SCALE (NIHSS) SCORE FOR INTRACEREBRAL HEMORRHAGE PATIENTS
Authors: Rosaline Shonia Syvafiftyan , Sukmaningtyas Hermina , Wati Arinta Puspita , Imawati Sukma
Published: July 2022

ABSTRACT Introduction: Intracerebral hemorrhage refers to primary, spontaneous, and non- traumatic bleeding that occurs in the brain parenchyma. Intracerebral hemorrhage accounts for approximately 10-20% of all stroke. The most common risk factor for non-traumatic hemorrhagic stroke is hypertension. The increase in Mean Arterial Pressure leads to the incidence of intracerebral hemmorhage. The NIHSS is a systematic assessment tool that quantitatively measures stroke associated with neurologic deficits. Neurological deficits that occur in intracerebral hemorrhage occur because blood enters the brain parenchyma. The incoming blood was measured by the Automatic Volume Method (software volume evaluation), namely the calculation of volume by computer software on the CT Scan tool.Aim: To determine the correlation between Mean Arterial Pressure and bleeding volume with NIHSS score in intracerebral hemorrhage patients.Methods: The research design used in this study was cross sectional. The sample of this study was 40 research subjects using purposive sampling, this study has independent variables, namely Mean Arterial Pressure and bleeding volume, while the dependent variable is the NIHSS score (National Institute of Health Stroke Scale). This study conducted an analysis using Spearman's.Results: : The results of this study indicate that there is no significant relationship between bleeding volume and NIHSS score (p = 0,157, r = 0,228) and there is no significant relationship between MAP and NIHSS score (p = 0,268, r = -0,179)Conclusion: There is no statistically significant relationship between Mean Arterial Pressure and bleeding volume with the NIHSS scoreKeywords: Mean Arterial Pressure, Bleeding Volume, National Institute of Health Stroke Scale, Intracerebral Hemorrhage
The Correlation Between The Use Of Face Moisturizers On The Incidence Of Acne Vulgaris Due To Masks
Authors: Muttaqin Ashauma Aksanul , Himawan Ari Budi , Batubara Lusiana , Widyawati Widyawati
Published: July 2022

Background: Acne vulgaris or widely known as acne, is a skin disease in the form of inflammation of the pilosebaceous unit characterized by the appearance of comedones, papules, pustules, and nodules. Due to the Coronavirus disease 2019 (COVID-19) pandemic, masks have become personal protective equipment (PPEs), commonly used by health workers and the general public. The combination of friction, repeated pressure, sweat, or stress on the skin from wearing the mask causes acne or an exacerbation of existing acne. Meanwhile, the use of facial moisturizer can maintain skin moisture and help the repair process of the structure of the skin barrier.Objective: This study aims to determine the relationship between the use of facial moisturizers and the incidence of acne vulgaris due to masks.Methods: This study is an analytical observational study with a cross-sectional design. The subjects in this study amounted to 44 people who were nurses at the Diponegoro National Hospital who had approved the informed consent form, filled out a complete questionnaire, and included the research criteria. The research sample was selected using purposive sampling. The diagnosis of acne vulgaris was made by doctor-in-charge based on the subject's face photo. The statistical test used is Fischer's Exact Test.Results: Based on data analysis using Fischer's Exact Test, the results showed no significant relationship between the use of facial moisturizers and the incidence of acne vulgaris due to masks with a p-value = 0.722 (p>0.05).Conclusion: There is no relationship between the use of facial moisturizers with the incidence of acne vulgaris due to masks.
THE EFFECT OF BREASTFEEDING EDUCATION AMONG POSTPARTUM MOTHERS ON EXCLUSIVE BREASTFEEDING PRACTICE ONE MONTH AFTER DELIVERY
Authors: Wicaksono Laurentius Juan , Anantyo Dimas Tri , Dewantiningrum Julian , Hariyana Bambang
Published: July 2022

Background: Exclusive breastfeeding is a standart of care for newborn. In 2017 within area of Semarang City, only 19,5% women who practiced exclusive breastfeeding .One of the problems was low level of mother’s knowledge because lack of breastfeeding education especially by the health services institutions. The aim of the study is to asses the effect of breastfeeding education among postpartum mothers on exclusive breastfeeding practice in one month after delivery. Method: A quasi experimental study design was conducted among postpartum mother in purposively selected health institutions of Semarang city. All eligible women were placed into intervention (n=25) and control (n=25) group. The intervention group received standart education with educational media and control group received standart education only which lasts for 15 minutes. Data were collected through interviewer-administered questionnaire at one month after education session. Results: The number of mothers who  practiced exclusive breastfeeding for a month was greater in intervention group than the control group (p=0,025). The level of  knowledge also greater in intervention group (p=0,016). Also, there were no significant relationship between age, working status, maternal parity and exclusive breastfeeding while there was significant relationship between maternal education and exclusive breastfeeding practice. Conclusion: Breastfeeding education with educational media increases the mother’s knowledge about exclusve breastfeeding and practice of exlusive breastfeeding up to 1 month.
Reduction of Fe Using Advanced Oxidation Processes (AOPs) and Electromagnetic Water Treatment (EWT)
Authors: Luvita Veny , Mahardiono Novan Agung , Fakhrurroja Hanif , Waskito Adi
Published: July 2022

The processing on water treatment in this research is carried out by using two combination methods of Advanced Oxidation Processes (AOPs) and Electromagnetic Water Treatment (EWT). The application of AOPs method is one of alternative to remove heavy metals while the application of EWT method is to improve water quality and to prevent the using of expensive chemicals or corrosive substances. The using of chemicals can cause new problems that endanger human health or damage the environment. This paper presents the advantage of the combining these methods is the high ability to process contaminated water into clean water. AOPs and EWT system configuration is needed to determine the effectiveness of the processing system, especially in removing heavy metal minerals such as iron (Fe). Based on the efficiency result, the configuration by using AOPs + EWT reduces the iron (Fe) mineral content by 99,33% and increases the pH value by 6.09.Keywords: water; treatment; substances; metal; mineral
Design of Propellant Composite Thermodynamic Properties Using Rocket Propulsion Analysis (RPA) Software
Authors: Pinalia Anita , Prianto Bayu , Setyaningsih Henny , Dhewi Prawita , Ratnawati Ratnawati
Published: July 2022

Rocket Propulsion Analysis (RPA) is software for predicting the performance of a rocket engine. It is usually used in conceptual and preliminary design. Heat capacity and specific impulse are two properties related to the performance of a propellant. This work aimed to design AP/HTPB-based solid propellant composite with various compositions and predict the heat capacity and specific impulse using the RPA software. The materials used were ammonium perchlorate (AP) as the oxidizer, Hydroxy-Terminated Polybutadiene (HTPB) as the fuel binder, Al powder as the metal fuel, and other additives. Four propellants with different formulations were prepared and tested for heat capacity and specific impulse. The experimental heat capacity was obtained using a differential scanning calorimeter (DSC), while the specific impulse was obtained using a bomb calorimeter. The same propellant formulations were used as the input to the RPS to predict the heat capacity and specific impulse. The results show that the experimental heat capacity of the propellant ranges from 1.576 to 4.08 J g–1 K–1, and the simulation result ranges from 1.78 to 3.48 J g–1 K–1. The overall average deviation is 16.3%. The predicted specific impulse at vacuum and sea level ranges from 231.3 to 234.0 s and from 219.8 to 220.9 s, respectively. Meanwhile, the experimental specific impulse at vacuum and sea level varies from 236.2 to 240.3 s and from 228.5 to 232.9 s, respectively. The overall average deviation is 3.7%. Therefore, the RPA is reliable for predicting specific impulse of propellant, but it is not accurate enough for predicting the heat capacity of propellant composite.
Catalytic Cracking of Methyl Ester from Used-Cooking Oil Using Ni-Impregnated Active Charcoal Catalyst
Authors: Nazarudin Nazarudin , Ulyarti Ulyarti , Alfernando Oki , Hans Yogie Yogendra
Published: July 2022

Current petroleum energy sources have been starting to diminish along with the increasing a demand in industries and transportations. In the next few years Indonesia is predicted to experience a fuel crisis. One way to solve this problem is to find the alternative energy sources from renewable raw materials. This study was conducted to obtain alternative renewable energy sources through catalytic cracking of used cooking oil-derived methyl ester into biofuel using active charcoal catalyst.  The active charcoal was made out of solid waste (shells) of the oil palm industry. Nickel solutions of varying concentrations (1%, 2%, 3%) ware impregnated into active charcoal to produce the Ni- charcoal catalyst. This catalyst was then used for catalytic cracking of methyl esters with variations in the reaction temperature of 400oC, 450oC and 500oC. The Methyl ester was produced from filtered used-cooking oil by transesterification method. SEM-EDX analysis showed that Nickel metal was successfully embedded into active charcoal where the highest concentration of Nickel (18.4%) was found at a impregnation treatment using 2% of Nickel solution. From the SEM image, it can also be seen that the catalyst produced unique pores. The gravimetric analysis of the catalytic cracking product showed that the highest fraction of oil liquid resulting from catalytic cracking at 400oC using Ni-charcoal catalyst impregnated with 3% Nickel solution.
First evidence of polyembryony in black mangrove Avicennia germinans
Authors: Cobacho Sara P. , Grol Nicole A.L.M. , Dros Thomas A. , Dekkers Dorine T.B.M. , Christianen Marjolijn J.A.
Published: July 2022

We provide the first documented case of the black mangrove, Avicennia germinans, producing multiple seedlings from a single propagule, a phenomenon called polyembryony, on several occasions. There is a lack of knowledge about polyembryony in mangroves, as it is an extremely rare phenomenon previously observed in only three other mangrove species. A higher weight of mature propagules may indicate polyembryony, thus enabling early detection. A. germinans may make use of mixed reproductive strategies to ensure the continued survival of the species, or to increase its expansion under favourable environmental conditions. Potential causes and implications of polyembryony in A. germinans are discussed.
Gibt es eine Sprache der Dinge?
Authors: Hahn Hans Peter
Published: July 2022

Obgleich die Sprache der Dinge ein jahrhundertealter Traum westlichen Denkens ist, entlarvt sich diese Wunschvorstellung als eine Projektion von philosophischen Traditionen des Westens auf die materielle Umwelt. Forschungen der letzten dreißig Jahre haben gezeigt, dass die Bedeutung materieller Kultur oft uneindeutig ist und viele verschiedene Deutungen zulässt. Die Idee »sprechender Dinge« ist ein Anthropomorphismus, der eine spezifische und unzulässig vereinfachende Vorstellung von Materialität und einer subjektiven Wahrnehmung von Sachbesitz offenbart. Materielle Objekte erfüllen nicht das Kriterium, arbiträr zu sein; Bedeutungen gehen oftmals nicht von Objekten als Einzeldingen, sondern von räumlichen Anordnungen von Dingen, Texten und Bildern aus. Die Semiotik hat deshalb immer wieder Zweifel an der Zeichenhaftigkeit von Objekten vorgetragen. Auch wenn Dinge bedeutsam sind, so beruht dies auf ganz anderen Formen der Vermittlung, als es bei sprachlichen Zeichen der Fall ist. Dinge als »unreine Zeichen« sind bedeutungsvoll, aber nicht immer haben sie eine eindeutige und klar bestimmbare Bedeutung.
Übersetzen, Dolmetschen, Macht
Authors: Stengel Friedemann
Published: July 2022

2022 liegt die Übersetzung des Neuen Testaments durch Martin Luther 500 Jahre zurück. Mit diskurstheoretischem Instrumentarium wird den sozialpolitischen und theologischen Auswirkungen der volkssprachlichen Popularisierung der Heiligen Schrift nachgegangen. Es wird gezeigt, inwiefern und mit welchen massiven Folgen dadurch die heterogene Vielfalt der reformatorischen Bewegungen hervorgebracht und in welchem Kontext die Auslegungsfreiheit in der Confessio Augustana wieder aufgehoben worden ist.
Das Ringen um die Sprache lebendiger Liturgie
Authors: Kranemann Benedikt
Published: July 2022

Über Jahrhunderte feierte die römisch-katholische Kirche Liturgie in lateinischer Sprache. Dennoch lebte die Diskussion über die Rolle anderer Sprachen im Gottesdienst und damit die Frage nach Übersetzungen immer wieder auf. Nach dem Zweiten Vatikanischen Konzil (1962–1965), in dessen Folge die Muttersprachen in den Liturgien dieser Kirche verwendet werden, wird in Kirche und Theologie bis in die jüngste Zeit über Grundaspekte von Übersetzungen, aber auch über Kompetenz und Zuständigkeit für die Sprache der Liturgie debattiert. Dabei kommen der sakrale Charakter der Liturgie, Fragen um Gottesdienst und Macht, aber auch die Entwicklungsfähigkeit der Glaubensfeier in den Blick. Letztlich geht es nicht nur um das Verständnis von Liturgie, sondern auch um das Selbstverständnis von Kirche.
Extrusion foaming of linear and branched polypropylenes – input of the thermomechanical analysis of pressure drop in the die
Authors: Sandino Carlos , Peuvrel-Disdier Edith , Agassant Jean-François , Laure Patrice , Boyer Séverine A. E. , Hibert Geoffrey , Trolez Yves
Published: July 2022

This paper aims at a better understanding of the polypropylene (PP) physical extrusion foaming process with the objective of obtaining the lowest possible foam density. Two branched PPs were compared to the corresponding linear ones. Their shear and elongation viscosities were measured as well as their crystalline properties. Trials were conducted in a single screw extruder equipped with a gear pump and a static mixer cooler to adjust the melt temperature at the final die. The effect of decreasing this temperature on the PP foamability and on the pressure drop in the die was analyzed. The foam density of branched PPs varies from high to low values while decreasing the foaming temperature. In the same processing conditions, the foam density of linear PPs does not decrease so much, as already evidenced in the literature. The foamability transition coincides with an increase of the pressure drop in the die. The originality of the work lies in the thermomechanical analysis of the polymer flow in the die which allows the identification of the relevant physical phenomena for a good foamability. The comparison of the experimental pressure drops in the die and the computed ones with the identified purely viscous behavior points out the influence of the foaming temperature and of the PP structure. At high foaming temperature the discrepancy between experimental measurements and the computed pressure drops remains limited. It increases when decreasing the foaming temperature, but the mismatch is much more important for branched PPs than for linear ones. This difference is analyzed as a combination of the activation energy of the viscosity, the elongational viscosity in the convergent geometry of the die which is much more important for branched PPs than for linear ones, and the onset of crystallization which occurs at higher temperature for branched PPs than for linear PPs.
Crystal structure of pentacarbonyl-(μ2-propane-1,3-dithiolato-κ4
S:S,S′:S′)-(diphenyl(o-tolyl)phosphine-κ1
P)diiron (Fe-Fe), C27H23Fe2O5PS2
Authors: Bi Lu-Yan , Liu Xu-Feng
Published: July 2022

C27H23Fe2O5PS2, monoclinic, P21/c (no. 14), a = 15.4423(7) Å, b = 9.8615(5) Å, c = 18.0727(8) Å, β = 90.0380(10)°, V = 2752.2(2) Å3, Z = 4, Rgt
(F) = 0.0296, wRref
(F
2) = 0.0703, T = 296(2) K.
Husby in Glanshammar: cloisonné production, Viking Period silver deposition and memorialisation
Authors: Rundkvist Martin , Audy Florent
Published: July 2022

This paper returns to Husby in Glanshammar, Sweden, where an important manorial settlement of the mid-to-late 1st millennium AD was excavated in the 1990s for a highway project. A recent intensive and comprehensive metal detector survey of the site’s surviving parts has secured additional finds that cast a new light on the manor and its afterlife.

Fine copper alloy casting was amply demonstrated by the 1990s excavations. Now a die for the making of waffled gold foil has been added to this assemblage. Waffled foils formed part of gold-and-garnet cloisonné work, one of the most exclusive decorative techniques of the era.

Hacksilver and coins from around AD 900 were found scattered over the old foundation of the torn-down mead-hall, apparently forming a first phase of memorialisation that continued from about AD 1100 onward with a small Christian cemetery next to the foundation. These single coins go back at least half a century before the start of silver hoarding in the region. The silver found at Husby shows clear signs of having been used as bullion in economic transactions, with a high degree of fragmentation and many test marks.
Chromosomal polymorphisms in assisted reproduction: an analysis of 942 cycles
Authors: Ralapanawe Madara S B , Gajaweera Sugandika Lakmali , Karunaratne Nishendra , Price Malcolm James , Melo Pedro , Coomarasamy Arri , Gallos Ioannis
Published: July 2022

The use of intracytoplasmic sperm injection (ICSI) has recently increased worldwide. The live birth rate per ICSI cycle is low, and over half of infertile couples remain childless. Chromosomal polymorphisms are up to five times more common in couples with infertility compared to the general population. We aimed to investigate the association between chromosomal polymorphisms and reproductive outcomes in couples undergoing ICSI treatment. We analysed 942 ICSI fresh and frozen embryo transfer cycles in 697 women who underwent karyotyping analysis using Giemsa-Trypsin-Leishman banding prior to assisted conception at the Fertility Centre of Lanka Hospitals, Sri Lanka, between 2016 and 2018. The primary outcomes were pregnancy, miscarriage, and live birth rates. We compared outcomes according to the presence or absence of chromosomal polymorphism in females, males and couples. There were 294 pregnancies (31.2%) recorded in the study; 130 suffered a miscarriage (13.8%), 13 were ectopic pregnancies (1.3%) and 151 resulted in a live birth (16.0%). The evidence from univariable and multivariable analyses (adjusted for age, BMI, ovarian reserve and treatment type) did not confidently identify a difference in pregnancy, miscarriage or live birth rates between couples with no chromosomal polymorphisms compared to couples where the female, male or both partners were carriers of a chromosomal polymorphism. Further, we did not identify a clear association between the presence of chromosomal polymorphisms and reproductive outcomes compared to participants without chromosomal polymorphisms. Wide CIs precluded the identification of clinically meaningful associations.

Lay summary

Infertility affects approximately one in eight couples worldwide. The use of intracytoplasmic sperm injection (ICSI), where the sperm is directly injected into an egg using a micromanipulator outside the body, has become particularly popular in recent years. However, the success rate remains low. In human cells, the genetic material is arranged in structures called chromosomes. Chromosomal polymorphism is a normal variation where the genetic material is arranged differently to the average individual and is more common in infertile couples compared to the general population. We analysed data from 942 ICSI cycles in 697 couples who underwent karyotyping analysis to assess the changes in chromosomes between 2016 and 2018. The pregnancy rate was 31.2%, with 16.0% of participants experiencing a live birth, while 13.8% of pregnancies resulted in a miscarriage and 1.3% were outside the womb cavity (ectopic). The evidence did not identify a clear association between the chromosomal polymorphism and the outcome of treatment.
The Clinical Significance of Lncrna GAS5 And Mir-222-3p in Carotid Artery Stenosis
Authors: Li Shanfeng , Zhao Feng , He Yunliang , E Yajun , Wang Cui
Published: July 2022

Background: Carotid artery stenosis (CAS) is the major pathogen of cerebral infarction and brain death. Early detection and risk prediction could help the diagnosis and improve the outcome of patients. The clinical significance of lncRNA GAS5 (GAS5) and miR-222-3p in the diagnosis and prognosis of CAS was evaluated in this study to explore novel effective biomarkers of CAS.
Methods: A total of 72 CAS patients and 63 healthy individuals (control) were enrolled in this study. The expression levels of GAS5 and miR-222-3p in study subjects were detected using PCR. The ROC, Kaplan-Meier, and Cox regression analyses were carried out to estimate the diagnostic and prognostic value of GAS5 and miR-222-3p in CAS. The interaction between GAS5 and miR-222-3p was disclosed by the dual-luciferase reporter.
Results: The reduced expression of GAS5 and elevated expression of miR-222-3p were observed in CAS patients compared with the healthy controls, and a significant correlation between their expression levels in CAS was revealed. GAS5 and miR-222-3p could discriminate CAS patients from the healthy controls with high sensitivity and specificity. The GAS5 downregulation and miR-222-3p upregulation could predict the poor prognosis of CAS patients and may be associated with the severe development of patients. In human vascular smooth muscle cells, miR-222-3p could negatively regulate the luciferase activity of GAS5.
Conclusion: Both GAS5 and miR-222-3p served as the diagnostic and prognostic biomarkers of CAS. The function of GAS5 might result from the regulation of miR-222-3p, which needs further validation.
Reservas de carbono en sistemas agroforestales con café (C. arabica L.) ante el cambio climático: caso México
Authors: Ruíz-García Patricia , Monterroso-Rivas Alejandro Ismael , Valdés-Velarde Eduardo , Escamilla-Prado Esteban , Gómez-Díaz Jesús David
Published: July 2022

Introducción. El cambio climático puede alterar las reservas de carbono (C) almacenado en los sistemas agroforestales con café. Objetivo. Simular las reservas de C en la biomasa aérea (ABOC) y suelo (COS) a una proyección de cincuenta años bajo la línea base y con escenarios de cambio climático en sistemas agroforestales con café, mediante el modelo CO2Fix. Materiales y métodos. En el año 2020, se estableció la línea base de C total (ABOC + COS) en veinticinco parcelas de café orgánico de la Sociedad Catuaí Amarillo S. de S.S, Chocamán, Veracruz, México. Las parcelas se clasificaron en tres diseños agroforestales: D1 (árboles de sombra-café en laderas), D2 (árboles de sombra-café-plátano en laderas) y D3 (árboles de sombra-café-plátano en el valle). Se utilizó el modelo CO2Fix para simular las reservas de C total a una proyección de cincuenta años bajo la línea base y con escenarios de cambio climático en los tres diseños agroforestales con café. Resultados. El C total en la línea base fue de 124,59, 107,43 y 102,320 t ha-1, para D1, D2 y D3, respectivamente. Se presentaron disminuciones entre 0,77 y 8,75 t ha-1 en las reservas de C total bajo escenarios de cambio climático en los tres diseños agroforestales evaluados. No hubo diferencias estadísticamente significativas entre los diseños agroforestales en la línea base y bajo escenarios de cambio climático. Aunque se constataron variaciones, las reservas de C total se mantuvieron a lo largo del tiempo. La cohorte de árboles fue la principal fuente de almacenaje del C total. Conclusión. Fue posible simular, en una proyección de cincuenta años, las reservas de carbono en la biomasa aérea y suelo en la línea base, bajo los diferentes escenarios de cambio climático, mediante el uso del modelo CO2Fix, en sistemas agroforestales con café de la Sociedad Catuaí Amarillo S. de S.S.
Lectura obligatoria versus lectura por placer: ¿qué papel debería asumir el docente de Español?
Authors: Chinchilla Araya Tatiana
Published: July 2022

Resumen

La ponencia reflexiona sobre los nuevos parámetros del abordaje de la lectura en los centros educativos costarricenses y la constante aseveración ministerial de que el estudiante desarrolle la competencia lectora, desde un enfoque que pondere el placer y el disfrute del texto sobre la obligatoriedad de dicho proceso. Lo anterior se realiza a la luz de los nuevos enfoques de la enseñanza de la lengua y la literatura, así como los alcances e impacto del nuevo programa de estudio de la asignatura de Español, desde la Política Educativa “Ética, estética y ciudadanía”, del Ministerio de Educación Pública de Costa Rica. Le corresponde al docente de Español enfatizar en el valor de la lectura como proceso integral, no solo de disfrute y diversión, sino como una competencia básica para la vida de los estudiantes en sociedad, ante todo al considerar las posibilidades de acceso que hoy existen a muchas obras literarias y no literarias. Se apela a la importancia de equilibrar la formación de estudiantes que gusten de la actividad lectora, en los diferentes géneros literarios y no literarios, con el desarrollo de personas conscientes de que la lectura no es solo un espacio de “ocio, diversión y gusto”, sino una habilidad “necesaria” para acceder al conocimiento, conocer otras realidades y desenvolverse efectivamente en sociedad, pues aunque no siempre se disfrute, por la diversidad de temas y gustos personales, no puede ser una práctica opcional.
Improvisación poética: una propuesta didáctica para enseñar poesía costarricense contemporánea en secundaria
Authors: Venegas Carvajal Steven
Published: July 2022

El siguiente artículo consiste en una investigación sobre didáctica de literatura cuyo objetivo principal es elaborar una propuesta didáctica para fortalecer las competencias comunicativas lingüística, estratégica y literaria del estudiante de secundaria a partir del análisis semiótico de la imagen en la poesía costarricense contemporánea (2010-2020). La metodología empleada consiste en un estudio de caso aplicado a un estudiante de noveno año. Los resultados apuntan hacia un desarrollo de las habilidades de comprensión lectora y creación literaria oral por parte del estudiante.
Presentación del dossier
Authors: Rivera Rivera Ronald
Published: July 2022

Como parte de los esfuerzos desde la Sede de Occidente por reflexionar de forma crítica sobre la didáctica, la literatura y las lenguas, en esta introducción se explican las motivaciones que dieron origen a la organización del Primer Congreso Centroamericano sobre Didáctica de la Lengua y Literatura, llevado a cabo a mediados de noviembre del año anterior. Además, constituye un preámbulo a los pertinentes artículos presentados por varias personas participantes de dicha actividad, los cuales, desde diversas perspectivas teóricas, invitan a sus lectores a encontrar nuevas vías para mejorar el proceso educativo.
Desarrollo de habilidades comunicativas: la pregunta como propuesta de mediación pedagógica para el análisis literario
Authors: Villalobos Palma Bryan , Valverde Alfaro Elena
Published: July 2022

La presente ponencia se ubica en el marco de la Transformación Curricular que lleva a cabo el Ministerio de Educación Pública de Costa Rica, en la cual el estudiante es el centro; es decir, se espera que el docente no sea quien transmita el conocimiento y de alguna manera haga sentir que hay uno que sabe y el resto están vacíos, sino que facilite el aprendizaje y no se enseñe solo para realizar, por ejemplo, una prueba escrita. Lo anterior, tiene como uno de los puntos de partida los Informes del Estado de la Educación, por lo que se ha considerado conveniente recordar algunas ideas de cada uno de ellos, que permitieron perfilar dicha Transformación Curricular. Una vez descrito el marco contextual, se hace referencia a las características más significativas del Programa de Estudios de Español de primero y segundo ciclos, así como las de tercer ciclo y educación diversificada. También, se describe que el Enfoque de estos Programas es comunicativo. En este sentido, según se expone en ellos, las competencias lingüísticas deben trabajarse de forma vinculada, en relación con la comprensión lectora, la comunicación oral-escucha y la producción de textos (comunicación escrita). Para llevar a la práctica todo lo expuesto anteriormente, se planteó un proceso de mediación pedagógica con alumnos de sétimo año del Liceo Experimental Bilingüe de Naranjo. Mediante la estrategia didáctica desarrollada, se enlazan las habilidades de comunicación por medio de las técnicas y actividades que orquesten el desarrollo de la competencia comunicativa a partir del cuento “La tortuga gigante”, de Horacio Quiroga. La propuesta consta de nueve momentos en los que, progresivamente, se construyen conocimientos y se imbrican las habilidades de comunicación. El punto unificador de todos los espacios de análisis es la estrategia didáctica denominada QQQ, la cual implica una generación de triadas de preguntas que orientan el análisis crítico de casos, situaciones, textos, imágenes, entre otros. En primera instancia, como acercamiento al texto, los estudiantes deben emplear aplicaciones en línea para construir sus conceptos en conjunto. Esta actividad se complementa con la proyección de recursos multimedia sobre el tema de la gratitud (que predomina en el cuento del escritor uruguayo). Dentro de la línea de la triple Q se generan actividades como análisis de casos, inferencia de argumentos a partir de imágenes, lectura del cuento y análisis del mismo. En las actividades finales, se incorpora nuevamente una herramienta digital para la generación de mapas mentales. Para concluir, los estudiantes redactan un escrito que potencia la capacidad argumentativa a partir de todas las experiencias anteriores, en el escenario de la estrategia de mediación pedagógica para el desarrollo de habilidades comunicativas de forma vinculada.
Hacia una transmedialidad literaria como recurso didáctico para la motivación lectora
Authors: Castro Rojas Jósebeth
Published: July 2022

El disfrute de la literatura va de la mano con la motivación que se tenga. A nivel educativo es un reto que los adolescentes se interesen por leer y sean capaces de ver a la literatura como una aliada para su entretenimiento y no como una obligación. Para conseguir que ellos se entusiasmen es importante generar nuevas maneras de abordar el texto y los estudios transmediales son una buena herramienta para conseguirlo. A través de adaptaciones de textos literarios en cómics, el estudiante conoce una nueva manera de apreciar la literatura y disfrutar de las narraciones, motivo por el cual se generó la propuesta de trabajar un cuento de Édgar Allan Poe y su respectiva adaptación a cómic como eje central para la motivación lectora.
O bom professor universitário de Ciências Biológicas: uma revisão integrativa
Authors: Colesel Karine Ferreira , Bagio Viviane Aparecida
Published: July 2022

A noção de ser bom professor perpassa o ideário de quem já foi estudante. Por sua vez, ao atuar nessa profissão, deseja sê-lo independentemente da área de ensino. Nesse interim, a pesquisa teve por objetivo analisar os estudos publicados sobre o bom professor de Ciências Biológicas no contexto universitário, a fim de observar características preponderantes, as quais revelam-se como centrais na formação dos profissionais dessa área. Trata-se de um estudo qualitativo com uma abordagem exploratória bibliográfica, o qual resultou na análise de dezesseis trabalhos selecionados. O estudo fundamentou-se nas pesquisas de Cunha (1988) e Nóvoa (2009), para desenvolver uma revisão integrativa, em que foram elencadas quatro dimensões de categorias e subcategorias articuladas: pessoal, profissional, didático-pedagógica e interpessoal. Essas foram utilizadas também no processo analítico. Os estudos revelaram que o ser bom professor de Ciências Biológicas possui um papel importante na formação de profissionais críticos e éticos perante a sociedade. À guisa de conclusão, nenhuma dimensão caracteriza o ser bom professor de Ciências Biológicas de forma isolada, mas justamente a relação de diferentes saberes em diferentes contextos é que faz do professor, um bom profissional.
A Study on the Injunction under the Chinese Civil Code
Authors:   The Institute of Legal Studies, Kyunghee University, QIU Lin-Gyu , Chun Kyoung-Un
Published: July 2022

Chinese Civil Code that was enforced in 2021 prescribes injunction aimed at real rights in Article 236 of the Part of Real Rights based on Article 35 of the repealed Chinese Property Law, and prescribes injunction aimed at torts in Article 1167 of the Part of Torts in accordance with Article 21 of the repealed Chinese Tort Law, meanwhile injunction aimed at personality rights has been prescribed in Article 995 of the Part of Personality Rights. In addition, Article 179 of the Chinese Civil Code which is about the methods of civil liability stipulates ‘cessation of obstruction’, ‘removal of obstruction’, and ‘risk elimination’ as one of the methods of civil liability in Paragraphs 1, 2 and 3, therefore Chinese Civil Code legislated injunctions as right to claim for cessation of obstruction, right to claim for removal of obstruction, right to claim risk elimination.
Accordingly, in this paper we introduce and examine injunction aimed at real rights, injunction aimed at personality rights and injunction aimed at torts recognized under Chinese Civil Law, and introduce the situation of discussions in China on the interrelationship of the three injunctions in detail. Besides in Chinese Civil law whether rights to injunctions is subject to extinctive prescription, the legal principles of restricting injunctions and discussions in China between injunctions and preservation litigation are also introduced in this paper.
The legislation of injunctions aimed at real rights, personal rights and torts in Chinese civil law can be said to be a legislative attitude with few legislative examples in other countries. In addition, clarifying the relationship and application of injunctions under Articles 236, 995, and 1167 of the Chinese Civil Code is a task to be resolved in the future.
Recently, Korean Ministry of Justice proposed to legislate injunction aimed at personal rights as an amendment of Korean Civil Code, in the meantime there have been several discussions on the revision of injunctions due to the revision of the Korean Civil Law. Legislative discussions on the rights to injunction in Korea are expected to continue in the future, and when discussing it legislation on the rights to injunction in Chinese civil law can be considered to be an important legislative reference.