bluuebunny/crossref_metadata_2025_split huggingface dataset:
Destruction of toluene and xylene by sulfatе-reducing bacteria
Authors: Verkholiak N. S. , Peretyatko T. B. 
Published: February 2020

As a result of human activity aromatic hydrocarbons enter the environment in large quantities, contaminating it. Dropping of insufficiently treated wastewater drains considerably decrease the quality of water. Quite effective biological methods of purification of contaminated environment are the usage of microorganisms. Prospective microorganisms for sewage treatment are sulfate-reducing bacteria. The purpose of the work was to investigate the ability of sulfate-reducing bacteria to use xylene and toluene as a source of carbon under different cultivation conditions. The study objects were sulfate-reducing bacteria Desulfotomaculum AR1 and Desulfovibrio desulfuricans Ya-11. The biomass of bacteria was determined turbidimetrically, the content of sulfate ion and hydrogen sulfide – photometrically in the culture fluid. The content of fumarate was determined by the method of high-performance liquid chromatography. The ability of Desulfotomaculum AR1 and D. desulfuricans Ya-11 bacteria to use toluene and xylene as the sole source of carbon and energy has been established. In the toluene environment, a better growth of bacteria was observed. A comparison was made between the efficiency of the reduction of sulfate ions and the growth of bacteria in the control medium and the medium with aromatic compounds. The efficiency of sulfate ions reduction was sufficiently high in the control medium, whereas in the toluene/xylene media the efficiency of sulfate utilization and hydrogen sulfide accumulation was lower compared to the control parameters. The growth of Desulfotomaculum AR1 and D. desulfuricans Ya-11 sulfate-reducing bacteria was investigated in xylene and toluene media in the presence/absence of fumarate. According to the results of the studies, the best growth of the tested bacteria was observed in the medium with aromatic compounds in the presence of fumarate and sulfate ion. Efficiency of use of fumarate in the medium with toluene with bacteria Desulfotomaculum AR1 was more than 90 %. Fumarate can be used by sulfate-reducing bacteria as a source of carbon, donor and acceptor of electrons. Fumarate is most likely to inhibit sulfate reduction in Desulfotomaculum AR1 and D. desulfuricans Ya-11 bacteria, as indicated by studies showing that sulfate reduction efficiency in lactate, fumarate, and sulfate ion media was half that of control. Sulfate-reducing bacteria are capable to anaerobically degrade aromatic hydrocarbons in the presence of sulfate ions as terminal electron acceptors. The ability of sulfate-reducing bacteria Desulfotomaculum AR1 and D. desulfuricans Ya-11 to use the aromatics of the BTEХ – toluene, xylene and sulfate-ions, makes them promising at the biological purification step of contaminated wastewater from these pollutants.
Las joyas del archivo Santa Laura Montoya Upegui (Jericó 1874-Medellín 1949): historia de la recuperación de su acervo documental
Authors: Osorio María Eugenia , Camacho Carmen Sofía , Toro Tamayo Luis Carlos 
Published: February 2020

El objetivo de este artículo es indagar sobre el proceso de recuperación, restauración y clasificación del acervo documental de Laura Montoya Upegui, más conocida como madre Laura, canonizada en el año de 2013 y fundadora de la Comunidad Misionera de María Inmaculada y Santa Catalina de Sena. El archivo alberga aproximadamente 28 000 páginas escritas por la autora, entre las que se encuentran sus obras originales. La historia de la recuperación del archivo inicia en 1949, cuando muere la escritora, y desde entonces se ha ido enriqueciendo y modernizando. La organización de los documentos se divide en las áreas que involucran el perfil intelectual de la santa: teología, mística, antropología, misionología, literatura, entre otras. Además, el archivo conserva los libros de su biblioteca personal, un archivo fotográfico y la colección de los libros y de las revistas que la misionera editó en su imprenta, Santa Teresita.
Cerámica de lujo medieval en dos castillos de la mitra compostelana = Medieval luxury ceramics in two castles of the ‘Compostela’s Miter’
Authors: Prieto Martínez María del Pilar , Alonso Toucido Francisco , Lantes Suárez Óscar , Casal García Raquel , Acuña Castroviejo Fernando 
Published: February 2020

Los castillos de Rocha Branca y Rocha Forte son todo un referente dentro del arzobispado medieval de Santiago, en ellos residirían varios arzobispos, convirtiéndose principalmente Rocha Branca en un auténtico recinto palacial. Debido a ese contexto, los materiales recuperados en los mismos son piezas vidriadas de lujo importadas. Se busca contribuir al estudio de estas piezas, así como a la posible definición de sus lugares de fabricación y técnicas, mediante la aplicación de la arqueometría. Gracias a los análisis sobre cinco piezas hemos podido retrotraernos a las producciones cerámicas de época bajomedieval y moderna documentadas en ambos recintos fortificadosThe castles of Rocha Branca and Rocha Forte are an important reference point with regard to the mediaeval archbishopric of Santiago, which were home to severalarchbishops, with the castle of Rocha Branca in particular becoming a truly palatial compound. Because of this context, the materials that have been found are luxurious,imported glazed pieces. The aim os this paper is to contribute towards the study of these pieces, as well as helping to possibly define where they were made and the techniques used, through the application of archaeometry. Thanks to an analysis of five pieces, we have been able to categorise ceramic products from the late mediaeval and modern period found in both fortified compounds.
THE CHARACTERISTICS OF VILLAGE COMMUNITIES IN THE DISASTER RESPONSE AREA (A CASE STUDY OF CIJERUK VILLAGE, WEST JAVA)
Authors: Maarif Syamsul , Ayu Puspito Sari Deffi 
Published: February 2020

Purpose of the study: The purpose of this study is to present a description and analysis related to the characteristics of the people exposed to disaster-prone areas, in villages (rural) and kelurahan (urban) levels, public awareness of efforts to "maintain" their survival from external disturbances, conformity to program interventions/activities carried out by external parties (government / non-government).
Methodology: In principle, this study uses an approach based on qualitative research.
Main Findings: From the results of the research obtained based on the experience of the residents, two of the largest outflows of capital were obtained, namely social capital and human capital, while the least capital outflows were natural capital.
Applications of this study: This research will be carried out in the rural area with the threat of landslides in Cijeruk Village, Bogor Regency.
Novelty/Originality of this study: Sustainable Livelihood Assessment (SLA), the higher the frequency of the key behavior of the components of capital out of the SLA, the more capital is needed by a community. From the results of the research obtained based on the experience of the residents, two of the largest outflows of capital were obtained, namely social capital and human capital, while the least capital outflows were natural capital.
El aprendizaje, la enseñanza, los pensamientos y las interacciones en la escuela
Authors: Buitrago Rafael Enrique 
Published: February 2020

Gran parte de las investigaciones educativas que se publican en revistas de divulgación, institucionales o científicas, suelen estar centradas en el aprendizaje o en la enseñanza, pero también, en alguna medida, en el pensamiento y en las interacciones, o suelen plantear de manera explícita o implícita relaciones con alguno de dichos aspectos. Estos continuos estudios han generado una gran cantidad de posturas, experiencias y evidencias que apuestan por mantener las bases fundamentales de la escuela, la transformación de la educación para dar respuesta a los requerimientos actuales y la consecución de la calidad, la cual puede obedecer al imaginario de los docentes, a las perspectivas institucionales y gubernamentales, a los propósitos de los propios niños y jóvenes o, simplemente, a la búsqueda de innovar, de transformar y de ser creativos.
Study on the Mechanical Characteristics and Operating Envelope of Freestanding Drilling Riser in Deepwater Drilling
Authors: Wang Yanbin , Gao Deli 
Published: February 2020

SummaryFreestanding drilling riser (FSDR), a new type of riser in deepwater drilling, though not in commercial use, can significantly reduce the engineering sensitivity to severe weather compared to the conventional risers. The optimal installation depth of the near surface disconnection package (NSDP) and the optimal number of buoyancy cans are two important parameters in the FSDR system. In this paper, the key mechanical problems of the FSDR system have been proposed and the mechanics of the FSDR system in normal drilling mode and freestanding mode have been studied. The above two optimal parameters have been calculated on the basis of a specific marine environment and system configuration. The operating envelope of the FSDR system has been figured out through parameter sensitivity analysis. Analysis results show that the NSDP should be installed 200 m below the sea surface to avoid strong wave-current profile and enhance the performance of the FSDR in freestanding mode. From the mechanical point of view, the weakest section of the FSDR is located at the junction between the buoyancy cans and the riser joints, where stress joint should be equipped to improve the stress condition of the system. Further, the maximum von Mises stress of the FSDR in normal drilling mode is the dominant factor restricting the increase of the number of buoyancy cans. The normal operating envelope of the FSDR is mainly limited by the deflection angle of the upper flexible joint (UFJ) and the von Mises stress. On the basis of the mechanics and operating criteria of the FSDR, the optimal number of buoyancy cans is six and the vessel offset should be less than 2% of the water depth to ensure the safety of the FSDR in normal drilling mode. Finally, suggestions on the future study on the FSDR system have been proposed.
Achieving blood pressure control targets in hypertensive patients of rural China – A pilot randomized trial
Authors: Huang Xiao , Liu Lishun , Song Yun , Gao Lan , Zhao Min , Bao Huihui , Qin Xianhui , Wu Yanqing , Wu Qinghua , Bi Chonglei , Yue Aiping , Fang Chongqian , Ma Hai , Cui Yimin , Tang Genfu , Li Ping , Zhang Yan , Li Jianping , Wang Binyan , Xu Xiping , Wang Hong , Parati Gianfranco , Spence J. David , Wang Xiaobin , Huo Yong , Chen Guangliang , Cheng Xiaoshu 
Published: February 2020

Abstract
Background
This study aimed to test the feasibility and titration methods to achieve specific BP control targets in hypertensive patients of rural China.
Methods
A randomized, controlled, open-label trial was conducted in Rongcheng, China. We enrolled 105 hypertensive participants aged over 60 years, and who had no history of stroke and cardiovascular disease. The patients were randomly assigned to one of three systolic BP target groups: standard: 140 - < 150mmHg; moderately intensive: 130 - < 140mmHg; and intensive: <130mmHg. Patients were followed for 6 months.
Discussion
The optimal target for SBP lowering is still uncertain worldwide and such information is critically needed, especially in China. However, in China the rates of awareness, treatment and control are only 46.9%, 40.7% and 15.3%, respectively. It is challenging to achieve BP control in the real world and it is very important to develop population-specific BP control protocols that fully consider the population’s characteristics, such as age, sex, socio-economic status, compliance, education level and lifestyle. This randomized trial showed feasibility and safety of the titration protocol to achieve desirable SBP targets (<150, <140, and <130mmHg) in a sample of rural Chinese hypertensive patients. The three BP target groups had similar baseline characteristics. After 6 months of treatment, the mean SBP measured at an office visit was 137.2mmHg, 131.1mmHg, and 124.2mmHg in the three groups. Home BP and central aortic BP measurements were also obtained. At 6 months, home BP measurements (2 hours after drug administration) showed a mean SBP of 130.9 mmHg in the standard group, 124.9 mmHg in the moderately intense group, and 119.7 mmHg in the intensive group. No serious adverse events were recorded over the 6-month study period. Rates of adverse events including dry cough, palpitations, and arthralgia were low and showed no significant differences between the three groups. This trial gained real world experience and laid the foundation for a future large-scale BP target study.
The different dietary sugars modulate the composition of the gut microbiota in honeybee during overwintering
Authors: Wang Hongfang , Liu Chunlei , Liu Zhenguo , Wang Ying , Ma Lanting , Xu Baohua 
Published: February 2020

Abstract
Background : The health of honeybee colonies is critical for bee products and agricultural production, and colony health is closely associated with the bacteria in the guts of honeybees. Although colony loss in winter is now the primary restriction in beekeeping, the effects of different sugars as winter food on the health of honeybee colonies are not well understood. Therefore, in this study, the influence of different sugar diets on honeybee gut bacteria during overwintering was examined.
Methods: The bacterial communities in honeybee midguts and hindguts before winter and after bees were fed honey, sucrose, and high-fructose syrup as winter-food were determined by targeting the V4 region of 16S rDNA using the Illumina MiSeq platform.
Results: The dominant microbiota in honeybee guts were the phyla Proteobacteria (63.17%), Firmicutes (17.61%; Lactobacillus , 15.91%), Actinobacteria (4.06%; Bifidobacterium , 3.34%), and Bacteroidetes (1.72%). The dominant taxa were conserved and not affected by season, type of overwintering sugar, or spatial position in the gut. However, the relative abundance of the dominant taxa was affected by those factors. In the midgut, microbial diversity of the sucrose group was higher than that of the honey and high-fructose syrup groups, but in the hindgut, microbial diversity of the honey and high-fructose groups was higher than that in the sucrose group. Sucrose increased the relative abundance of Actinobacteria (Bifidobacteriales Bifidobacteriaceae ) and Alphaproteobacteria (Rhizobiales and Mitochondria ) of honeybee midgut, and honey enriched the Bacteroidetes and Gammaproteobacteria (Pasteurellales) in honeybee hindgut. High-fructose syrup increased the relative abundance of Betaproteobacteria (Neisseriales: Neisseriaceae ) of the midgut.
Conclusion: The type of sugar used as winter food affected the relative abundance of the dominant bacterial communities in honeybee guts, not the taxa, which could affect the health and safety of honeybee colonies during overwintering. The presence of the supernal Alphaproteobacteria, Bifidobacteriales, and Lactobacillaceae in the gut of honeybees fed sucrose and cheaper than honey both indicate that sucrose is very suitable as the overwintering food for honeybees.
Psychiatric disorders in children and adolescents in a middle-income Latin American country
Authors: Caqueo-Urízar Alejandra , Flores Jerome , Escobar Carolang , Urzúa Alfonso , Irarrázaval Matías 
Published: February 2020

Abstract
Background Child and adolescent mental health has scarcely been studied in developing countries, though it is an important aspect of health. Mental health problems in youth often continue into adulthood if not diagnosed or treated in time. Methods The Sistema de Evaluación de Niños y Adolescentes (SENA) [Child and Adolescent Evaluation System] was used to evaluate mental health indicators in a sample of students in Northern Chile. Two age-appropriate versions of the assessment were applied to a total sample of 5,043 students, which included an elementary education sample of 1,953 schoolchildren from fourth grade through sixth grade (ages 8 to 13 years), and a Secondary School sample of 3,090 schoolchildren from seventh grade (the last year of elementary school) through the last year of Secondary school (senior high school) (ages 12 to 19 years). For each group, the version of the assessment used was determined by the students’ grade level. Both samples included municipal, government-subsidized, and private schools. Results In this student population, depression, anxiety, and behavioral disorders were the main mental health problems identified, and indicators revealed a progressive increase in cases over the years, coinciding with the global epidemiological scenario. Males showed a greater presence of externalizing behaviors related to mental health problems associated with aggression and defiant behavior. However, females showed the highest number of mental health issues overall, especially regarding problems related to internalization. There are significant differences between school types. Conclusions Our sample population analysis indicates that early intervention is necessary for the diagnosis and treatment of youth, with the goal of reducing the probability that psychiatric disorders will be prolonged, evolving, and worsening in adulthood.
Serum miR-101-3p combined with pepsinogen contributes to the early diagnosis of gastric cancer
Authors: Zeng Weiwei , Zhang Shuxiang , Yang Lei , Wei Wenchao , Gao Jie , Guo Ni , Wu Fengting 
Published: February 2020

Abstract

Background:This study aimed to explore the diagnostic value of serum miR-101-3p combined with pepsinogen (PG) on early diagnosis of gastric cancer (GC).Methods:A total of 61 atrophic gastritis (AG) and 86 GC patients, and 50 healthy volunteers were enrolled. The serum expression of miR-101-3p was measured by qRT-PCR. The serum content of carcinoembryonic antigen (CEA) was measured by Electrochemiluminescence immunoassay. The serum contents of PGI and PGII were measured by Enzyme linked immunosorbent assay. The diagnostic value of serum markers on AG and GC was analyzed by receiver operating characteristic (ROC) analysis.Results:The expression of miR-101-3p, the content of PGI and the ratio of PGI/II were significantly decreased, and the content of PGII was significantly increased in AG patients compared with those in normal controls. The changes of the above serum indicators were more obvious in GC patients than those in AG patients. The content of CEA was significantly higher in GC patients than that in AG patients. In addition, the expression of miR-101-3p was negatively associated with the submucosal infiltration in GC patients. MiR-101-3p exhibited high diagnostic value on AG (AUC 0.8493, sensitivity 80.33%, specificity 80%) and GC (AUC 0.8749, sensitivity 72.09%, specificity 86.49%). MiR-101-3p + PGI + PGI/II (AUC 0.856, sensitivity 80.23%, specificity 77.05%) exhibited a high diagnostic value in distinguishing between AG and GC.Conclusions:MiR-101-3p was a potential diagnostic marker for AG and GC. MiR-101-3p + PGI + PGI/II was effective in distinguishing between AG and GC.
Information needs and information seeking behaviour of people with dementia and their non-professional caregivers: a scoping review
Authors: Soong Aijia , Au Shu Ting , Kyaw Bhone Myint , Theng Yin Leng , Car Lorainne Tudor 
Published: February 2020

Abstract
Background: People with dementia often require full-time caregivers especially in the later stages of their condition. People with dementia and caregivers’ access to reliable information on dementia is essential as it may have an important impact on patient care and quality of life. This study aims to provide an overview of the information needs and information seeking behaviour of people with dementia and their non-professional caregivers.
Methods: We conducted a scoping review of the literature and searched four electronic databases for eligible studies published up to August 2018. Two reviewers independently screened studies and extracted data. Information needs were classified according to emerging themes in the literature, and information seeking behaviour was categorized using Wilson’s model of information behaviour.
Results: Twenty studies with a total of 4,140 participants, were included in this review. Reported information needs focused on: (i) disease; (ii) patient care provision; (iii) healthcare services; and (iv) caregiver self-care. The most commonly reported information need was on healthcare service-related information. Characteristics found to influence information needs were the severity of dementia as well as patient and caregiver status. People with dementia and non-professional caregivers mainly displayed active searching, information seeking behaviour and preferred using electronic sources to obtain health information.
Conclusion: Current dementia information sources available in English are extensive in the information they offer, but more emphasis needs to be placed on healthcare service-related information. All studies originated from high income countries and focused on information needs of non-professional caregivers only. The only variables found to be associated to information needs were severity of dementia condition as well as patient/caregiver status. The information needs identified in this review can be used to inform development and design of future dementia resources for people with dementia and their non-professional caregivers.
Long-term effects of group exercise intervention on maximal step-up height in middle-aged female primary care patients with obesity and other cardio-metabolic risk factors
Authors: Nyberg Lillemor Amanda , Sundberg Carl Johan , Wändell Per , Kowalski Jan , Hellenius Mai-Lis 
Published: February 2020

Abstract
Background: Low physical performance is a predictor of morbidity and mortality. This study looks at long-term effects of an exercise intervention on maximal step-up height (MSH) in individuals with low physical function. Furthermore, we studied correlates to changes in MSH.
Methods: Female patients (n=101), mean(SD) age of 52(11) years, were recruited for a 3-month group exercise intervention including 2-3 sessions/week of mixed aerobic fitness and strength training. MSH, weight, body mass index (BMI), waist circumference, maximal oxygen consumption (VO₂-max), self-reported health (SF-36) and physical activity (PA) were measured at baseline (T0), after 3 months (T1) and after 14-30(mean 22) months (T2). Relationships between changes in MSH (cm) and age, baseline MSH, time to follow-up, changes in anthropometric measurements, VO₂-max, SF-36 and PA were studied with regression analyses.
Results: MSH, significantly, increased from T0 to T1, 27.2(5.7) to 29.0(5.5) cm and decreased to 25.2(5.5) cm at T2. Time to follow-up (B=-0.42, p<0.001) and change in BMI (B=-0.29, p=0.012) correlated significantly to changes in MSH. Waist circumference, VO₂-max, PF and exercise/physical activity levels were significantly improved at T2, while BMI did not change. In a univariate logistic regression model, maintenance of MSH correlated to the extent of mixed training (OR 3.33, 95% CI 1.25-8.89). In a multivariate logistic regression model adjusted for important factors the correlation was not significant. However, MSH was significantly higher in individuals participating in 2-3 session per week compared to one session.
Conclusions: A 3-month group exercise intervention increased MSH, improved fitness, decreased risk in female patients with elevated cardio-metabolic risk. After an average of 22 months MSH was reduced while positive effects remained for waist circumference, VO₂-max, physical function and physical activity. However, regular group exercise 2-3 times per week with mixed aerobic fitness and strength training was associated with maintenance of MSH in a subgroup of patients. We suggest that such an intervention including regular support from healthcare professionals is a successful approach for maintaining improved leg-muscle strength among primary care patients.