bluuebunny/crossref_metadata_2025 huggingface dataset:
Assembly of customized food pantries in a food bank by fuzzy optimization
Authors: Cuevas Ortuño Jonathan , Gómez Padilla Alejandra
Published: October 2017

Purpose: The contribution of this research is to propose a new problem of linear-mixed programming model (LMPM) for the allocation-packing of multiple pantries personalized for Food Banks (FB) considering the opinion of the Decision Maker (DM) in the selection of the best solution.Design/methodology/approach: A food allocation-packing system is modeled as a mixed integer problem (MIP) and a fuzzy mixed integer linear problem (FMILP).  250 families and 100 products were considered. The solutions were found using Lingo 13® (for both deterministic and fuzzy model). To select a good solution in the fuzzy model, this research adapted an interactive method proposed in the literature. The relevance of this modification is that the opinion of a decision maker (DM) is included and considered.Findings: The results for the deterministic and fuzzy model are compared in terms of their accomplishment of the restrictions (mainly nutritional and logistic) and the time needed to achieve a solution.  Research limitations/implications: This paper was done considering quantity, weight and volume restrictions so that in theory, the pantry will be able to contain different products; it is not considered how the products will be stored into the pantry.Practical implications: This research proposes an alternative food management system at a food bank. The proposed system organizes the content of customized food pantries by the bias of a food allocation model.Social implications: Our paper analyzes a Food Bank (FB) in México. With this proposal, food will be distributed to families in poverty considering their particular nutritional needs.Originality/value: The main contribution of this article lies in the proposal of a new model of mixed integer linear problem (MILP)  for the allocationpacking of food, solved with fuzzy posibilistic programming that simultaneously considers nutritional and logistic restrictions applied to a type of organization that has been little studied in the literature and where the opinion of Decision Maker (DM) is very important in the operational decisions involved in the Food Supply Chain (FSC) of a Food Bank (FB).
Operational practices of lean manufacturing: Potentiating environmental improvements
Authors: Pinto Junior Marcos José Alves , Mendes Juliana Veiga
Published: October 2017

Purpose: The objective of this paper is to investigate how environmental improvements can be achieved through operational practices of Lean Manufacturing.Design/methodology/approach: A literature review was conducted to analyze the relationship between operational practices of Lean and reduction of environmental impact in organizational contexts. Verified theoretically, this relationship was observed in a company of the electronics industry, through an exploratory research which contemplated a mixed approach. The adopted research method consisted of a single case study, by providing greater depth and detail of the study. Utilized a research protocol, validated test pilot. The instruments for data collection were semi-structured interviews, direct observation and document analysis. The information was examined qualitatively considering the technique for content analysis.Findings: As a result of the study, it was found that there is evidence for the existence of relationship between the practices of Lean, for example, Kaizen, PDCA (plan, do, check, act), Ishikawa Diagram, Poka-Yoke, Standardized Work and Value Stream Mapping, with the reduction of environmental impacts of an organization. This reduction was observed after application of these practices that resulted in the reduction of energy consumption, water and waste generation. These results were accounted for financially, contributing to a reduction of annual costs by about US$ 20,900.Originality/value: The study presents in detail, the application of operational practices of Lean Manufacturing, with an effective view to reducing the environmental impact and cost reduction. The literature review, a detailed description of the application process and financial results are important information that contributes to the scientific studies that address traditional operating practices and the search for better environmental performance.
Special issue: Logistics systems design in Latin America
Authors: Cedillo Campos Miguel Gaston , Villa Juan Carlos
Published: October 2017

Logistics systems have a strategic importance for Latin American competitiveness. During the last decades, geographical dispersion of industrial and service processes supported by logistics progresses allowed Latin American companies to be part of the global value chains.Economic difficulties in the Latin American region and the increasing protectionism and nationalism in some developed countries have led to uncertainty and greater interest to develop regional markets and to strengthen a more diverse market base.Under this context, this Special Issue of the Journal of Industrial Engineering and Management (JIEM) gathers nine significant contributions, which from a Latin American approach, enhance the logistics systems body of knowledge focused on emerging markets.
Packed Red Blood Cell Transfusion in Older Adults: A Systematic Review
Authors: Jones Allison R. , McGhan Gwen , Deaver Jill
Published: October 2017

Most packed red blood cell (PRBC) transfusion research focuses on younger patient populations (younger than 65) given the complexity of care and presence of comorbidities in older adults. The purpose of the current study was to critically examine the current evidence related to PRBC transfusion among older adults (age ≥65). PubMed, CINAHL, and Embase were searched for randomized controlled trials that evaluated blood transfusion in any manner (e.g., prevention, associated outcomes). Using Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, the search resulted in 10 studies focused on cardiac, orthopedic, and gastrointestinal surgery patients. SQUIRE (Standards for QUality Improvement Reporting Excellence) guidelines were used to evaluate studies for bias; the average bias score was 13.0 (
SD
= 3.4), indicating a low level of bias. Greatest sources of bias were methods to assess completeness/accuracy of data, details about missing data, and costs associated with the study. Interventions to prevent PRBC transfusion in older adults vary widely, and outcomes associated with PRBC transfusion in older adults require further evaluation. [
Journal of Gerontological Nursing, 44
(3), 39–46.]
Effects of Exercise Interventions on Depressive Symptoms Among Community-Dwelling Older Adults in the United States: A Systematic Review
Authors: Seo Jin Young , Chao Ying-Yu
Published: October 2017

Depression is the most prevalent mental health problem among older adults. Exercise has been found to have a protective and treatable effect on depression in this population. A systematic review of literature published between 2006 and 2015 was performed to examine the influence of exercise interventions in reducing depressive symptoms among community-dwelling older adults in the United States. Ten studies were identified for inclusion. Exercise interventions have positive effects on clinical depression and depressive symptoms among older adults. In addition, exercise interventions alleviated the depressive symptoms among older adults with a diagnosis of chronic disease. Future studies should include a randomized controlled trial with a larger sample, longitudinal design, and culturally sensitive intervention. For long-term benefits, incorporating motivational strategies into community exercise programs and collaborating with community health care providers are recommended to enhance the maintenance of exercise behavior among community-dwelling older adults. [
Journal of Gerontological Nursing, 44
(3), 31–38.]
La esperanza del universo: El bolivarianismo durante la «Gran Venezuela» (1974-1983)
Authors: Straka Tomás
Published: October 2017

El presente trabajo revisa el bolivarianismo venezolano y su relación con los discursos y proyectos políticos durante la llamada «Gran Venezuela» (1974-1983), el momento en el que la combinación de una estabilidad democrática de dos décadas y los precios del petróleo hicieron de Venezuela una nación excepcionalmente próspera, libre y pacífica en América Latina. En este contexto, la democracia acudió al historicismo político bolivariano para legitimar su aparente éxito como una prueba de estar cumpliendo con el ideario de Simón Bolívar, tradicionalmente asociado al pensamiento conservador y a las dictaduras; así como para proyectarse como una potencia en ciernes dentro del Tercer Mundo.
Brain Electrical Oscillation Signature Profiling (BEOS)
Authors: Parmar Vishal Kumar , Mukundan C. R.
Published: October 2017

This article shows the development of techniques for deception detection has reached a stage of extreme complexity as the information sought must be extracted from the brain of suspects, instead of making inferences about it from the emotional effects produced during the traditional lie detection tests. This includes the presentation of concealed information and oral or behavioral responses by the individual are necessary requirements for use of these techniques. The new technique described here extracts information directly from memory, without having the individual respond to the statements - probes presented. It measures the components of electrical oscillations generated during remembrance of autobiographical episodes, which can occur only when one has acquired the experiences through participation in the said activities.
Investigating Epistemic Stances in Game Play with Data Mining
Authors: Martinez-Garza Mario M. , Clark Douglas B.
Published: October 2017

In this paper, techniques of statistical computing were applied to data logs to investigate the patterns in students' play of The Fuzzy Chronicles, and how these patterns relate to learning outcomes with regards to Newtonian kinematics. This paper has two goals. The first goal is to investigate the basic claims of the proposed Two-System Framework for Game-Based Learning (or 2SM) (Martinez-Garza & Clark, 2016) that may serve as part of a general-use explanatory framework for educational gaming. The second goal is to explore and demonstrate the use of automatically collected log files of student play as evidence through educational data mining techniques. These techniques could also find general use, and this paper offers a demonstration of plausible methods and processes that are suited for game play data. These goals were pursued via two research questions. The first research question examines whether students playing The Fuzzy Chronicles showed evidence of dichotomous fast/slow modes of solution. The 2SM theorizes that slow modes of solution will correlate to higher learning gains. Congruent with the 2SM, students who use mainly fast iterative solution strategies achieved lower learning gains than students who preferred slow, elaborate solutions, or a more balanced mix of the two. A second research question investigates the connection between conceptual understanding and student performance in conceptually-laden challenges. The finding was that students generally improve their performance in these challenges as gameplay progresses, but that this improvement is strongly moderated by their prior knowledge of physics. Implications of these findings in terms of educational game design, analysis of gameplay logs, and further refinement of the 2SM are discussed.
Play in the Museum
Authors: Rowe Jonathan P. , Lobene Eleni V. , Mott Bradford W. , Lester James C.
Published: October 2017

Digital games have been found to yield effective and engaging learning experiences across a broad range of subjects. Much of this research has been conducted in laboratory and K-12 classrooms. Recent advances in game technologies are expanding the range of educational contexts where game-based learning environments can be deployed, including informal settings such as museums and science centers. In this article, the authors describe the design, development, and formative evaluation of Future Worlds, a prototype game-based exhibit for collaborative explorations of sustainability in science museums. They report findings from a museum pilot study that investigated the influence of visitors' individual differences on learning and engagement. Results indicate that visitors showed significant gains in sustainability knowledge as well as high levels of engagement in a free-choice learning environment with Future Worlds. These findings point toward the importance of designing game-based learning exhibits that address the distinctive design challenges presented by museum settings.
QSAR and Structure-Based Docking Studies of Aryl Pyrido[2,3-d]pyrimidin-7(8H)-ones
Authors: Durgapal Jyoti , Bisht Neha , Alam Muneer , Sharma Dipiksha , Salman Mohd , Nandi Sisir
Published: October 2017

The target of the present study has been to carry out computer-aided anticancer drug design utilizing genetic algorithm-multiple linear regression (GA-MLR) based quantitative structure activity relationship (QSAR) of fibroblast growth factor (FGFr) inhibition of pyrido[2,3-d]pyrimidine-7(8H)-one compounds utilizing different classes of computed structural descriptors. A QSAR model was developed utilizing a combination of constitutional, functional group, geometrical and atom-centered fragment indices by multiple linear regression method and the model validation was performed by searching the predictability of the QSAR models. After outlier analyses through applicability domain, the model validation results were improved. In this connection, molecular docking studies were performed to predict the mode of binding and important structural features necessary for producing biological activities. This attempt could be helpful for further modeling of potent less toxic anticancer chemotherapeutics in these congeners.
Comparing the Socio-Political Ethics of Fighting Terrorism with Extreme Self-Defense in USA
Authors: Korstanje Maximiliano E. , Strang Kenneth David
Published: October 2017

In this study the authors adopted a post-positivist research design philosophy to explore the likelihood that Americans would support extreme self-defense policies like torture, reducing human rights or banning Muslims to fight against global terrorism, especially after 9/11 and in light of the Trump conservative government. The authors grounded their research questions into the literature to form hypotheses in a correlational design strategy which they tested using nonparametric statistics. They collected opinions from 3213 Americans during 2016-2017 about applying extreme self-defense tactics to combat global terrorism and how these opinions contrasted between those holding a conservative versus liberal or other individualistic socio-political ideology. The surprising results were that American citizens did not unanimously endorse banning Muslims (only 30% supported the policy and 6% were undecided) but the majority (51%) of participants sanctioned torture as a self-defense to combat global terrorism.
Fuzzy Mutual Information Feature Selection Based on Representative Samples
Authors: Salem Omar A. M. , Wang Liwei
Published: October 2017

Building classification models from real-world datasets became a difficult task, especially in datasets with high dimensional features. Unfortunately, these datasets may include irrelevant or redundant features which have a negative effect on the classification performance. Selecting the significant features and eliminating undesirable features can improve the classification models. Fuzzy mutual information is widely used feature selection to find the best feature subset before classification process. However, it requires more computation and storage space. To overcome these limitations, this paper proposes an improved fuzzy mutual information feature selection based on representative samples. Based on benchmark datasets, the experiments show that the proposed method achieved better results in the terms of classification accuracy, selected feature subset size, storage, and stability.
Práticas integrativas e complementares e a interface com a promoção da saúde: revisão integrativa/Integrative and complementary practices and the interface with the health promotion: integrative review
Authors: Sartori Dalmolin Indiara , Schülter Buss Heidemann Ivonete Teresinha
Published: October 2017

As práticas integrativas e complementares (PIC) possuem uma interface com a promoção da saúde, especialmente por estimular uma visão holística e empoderadora sobre o ser humano. Este estudo teve como objetivo identificar as produções sobre as PIC na Atenção Primária e sua interface com a promoção da saúde. Trata-se de uma revisão integrativa realizada nas bases de dados: Literatura Latino-Americana e do Caribe em Ciências da Saúde, Índice Bibliográfico Espanhol em Ciências da Saúde, Sistema Online de Busca e Análise de Literatura Médica, Biblioteca Cochrane e Scientific Electronic Library Online, com a utilização da combinação dos descritores: Complementary Therapies and Health Promotion and Primary Health Care, nos idiomas português, espanhol e inglês, de 2005 a 2014. A análise dos dados seguiu a modalidade temática. Da busca emergiram 25 artigos, sendo incluídos quatro para análise e discussão. Desses, chegou-se a três categorias: Saber popular versus saber científico: implicações na saúde; As PIC e a invisibilidade no campo da promoção da saúde; Formação em saúde: necessidade de pensar os modelos e prioridades de ensino. Concluiu-se que as PIC possuem pouca visibilidade pelos profissionais, no que tange à promoção da saúde, e constituem um modelo incipiente na formação em saúde.
 Avaliação da qualidade de vida e capacidade funcional de pacientes com câncer em tratamento quimioterápico/ Evaluation of quality of life and functional capacity of cancer patients in chemotherapy
Authors: Costa Victor Barros , Camargo Carolina Ribeiro , Santos Paulo Henrique Fernandes dos , Lima Luciano Ramos de , Stival Marina Morato , Funghetto Silvana Schwerz
Published: October 2017

O presente estudo teve como objetivo avaliar a qualidade de vida relacionada a saúde (QVRS) e mensurar a capacidade funcional de pacientes com câncer nos momentos pré e pós-quimioterapia (QT). Trata‐se de um estudo de coorte, com abordagem quantitativa, realizado de janeiro a março de 2015 em um ambulatório de QT de um hospital universitário do Distrito Federal, contemplando uma amostra de 53 indivíduos. Os participantes foram entrevistados em dois momentos, acompanhando, respectivamente, o primeiro e segundo ciclos da QT, durante os quais foram aplicados o protocolo Quality of Life questionnaire-core 30 e as escalas de avaliação da capacidade funcional Performance Status e Escala de Desempenho de Karnofsky. Os resultados evidenciaram a diminuição de todas as funcionalidades após o primeiro ciclo da QT, além de diferenças significativas dos escores de: fadiga (p=0,003), náusea (p=<0,000), insônia (p=0,042) e diarreia (p=0,006), havendo um aumento significativo da ocorrência de sinais e sintomas entre o primeiro e o segundo ciclo de QT, de 9,4% para 20,8%. Neste intervalo, também foi constatada piora significativa no que diz respeito ao comprometimento funcional dos pacientes (p=0,045). Os resultados evidenciaram a necessidade de se observar o impacto na QVRS desde o início do tratamento quimioterápico.
Synthesis and Characterization of Bismuth Oxo Compounds Supported on TiO2 Photocatalysts for Waste Water Treatment
Authors: Sirimahasal Thanakit , Pranee Siriporn , Chuayprakong Sunanta , Durmus Semih , Seeyangnok Samitthichai
Published: October 2017

Azo dyes are usually used in textile industry. However, they can cause water contamination, lead to water pollution, damage to aquatic lives and degenerate scenery due to their toxicity. These problems can be overcome by photocatalytic process in which the azo dyes are converted to CO2 and water. This research concentrates on effect of Bi2O3, BiOBr and BiOI contents on titanium dioxide substance (TiO2) for the photocatalytic process. In the study, photocatalysts were synthesized by sol-gel and wetness impregnation methods. They were studied in surface area by BET technique, chemical composition by FT-IR spectroscopy and optical properties by UV-DRS technique. Increase in bismuth content on TiO2 results in decreasing surface area. In FT-IR spectra, Ti-O-Ti stretching bands at 400-800 cm-1 were detected. The band gap energy of these photocatalysts is decreased when bismuth was doped. Since efficiency of CO2 and water conversion of the photocatalysts can be determined indirectly via determinaiton of decreasing Methyl Orange (MO) concentration, the lowest MO concentration was observed in the 4%Bi2O3T photocatalyst after 16 hours when compared to the other photocatalyst samples and Degussa P25. In other words, this photocatalyst efficiently converts the azo dyes to CO2 and water.
Properties of Rice Husk Ash Silica Filled Prevulcanized Deproteinized Natural Rubber Latex Film
Authors: Wongwitthayakool Panjaporn , Yang Su Geun , Siripanth Jitpimon , Siriwong Chomsri , Saowapark Thanunya
Published: October 2017

Silica extracted from rice husk ash (RHA-Si) was incorporated in deproteinized natural rubber (DPNR) latex compounds up to 20 phr. The cast films were prepared after the prevulcanization at 70°C for 2 hours. The effect of RHA-Si loading on swelling and tensile properties was investigated. Scanning electron microscope (SEM) was used to examine morphology of the prevulcanized films. Dynamic mechanical behaviors of filled prevulcanizates were studied using the dynamic mechanical analyzer (DMA). Two types of tests, namely, temperature sweep and strain sweep test were performed. Swelling test revealed the decrease in crosslink density with increasing RHA-Si loading more than 10 phr. Tensile strength and elongation at break decreased with increasing RHA-Si loading. Conversely, the presence of RHA-Si increased the modulus at 100% strain of the prevulcanized DPNR latex films. The poor filler-rubber distribution was evidenced by SEM image. The DMA results exhibited that storage modulus (G′) and damping factor (tanδ) increased with increasing RHA-Si loading. The narrow linear viscoelastic (LVE) region was noticed for prevulcnizates filled with high RHA-Si content. Glass transition temperature (Tg) of highly filled DPNR shift to low temperature.
γδ T Cells Are Required for the Induction of Sterile Immunity during Irradiated Sporozoite Vaccinations
Authors: Zaidi Irfan , Diallo Hama , Conteh Solomon , Robbins Yvette , Kolasny Jacqueline , Orr-Gonzalez Sachy , Carter Dariyen , Butler Brandi , Lambert Lynn , Brickley Elizabeth , Morrison Robert , Sissoko Mahamadou , Healy Sara A. , Sim B. Kim Lee , Doumbo Ogobara K. , Hoffman Stephen L. , Duffy Patrick E.
Published: October 2017

Whole-sporozoite vaccines confer sterilizing immunity to malaria-naive individuals by unknown mechanisms. In the first PfSPZ Vaccine trial ever in a malaria-endemic population, Vδ2 γδ T cells were significantly elevated and Vγ9/Vδ2 transcripts ranked as the most upregulated in vaccinees who were protected from Plasmodium falciparum infection. In a mouse model, absence of γδ T cells during vaccination impaired protective CD8 T cell responses and ablated sterile protection. γδ T cells were not required for circumsporozoite protein–specific Ab responses, and γδ T cell depletion before infectious challenge did not ablate protection. γδ T cells alone were insufficient to induce protection and required the presence of CD8α+ dendritic cells. In the absence of γδ T cells, CD8α+ dendritic cells did not accumulate in the livers of vaccinated mice. Altogether, our results show that γδ T cells were essential for the induction of sterile immunity during whole-organism vaccination.
Infection of Ferrets with Influenza Virus Elicits a Light Chain–Biased Antibody Response against Hemagglutinin
Authors: Kirchenbaum Greg A. , Allen James D. , Layman Thomas S. , Sautto Giuseppe A. , Ross Ted M.
Published: October 2017

The domestic ferret (Mustela putorius furo) is a commonly used animal model for the study of influenza virus infection and vaccination. Recently, our group has developed murine mAbs with specificity for the κ (Igκ) and λ (Igλ) L chains of ferret Ig. These mAbs were used to quantify the abundance of Igκ and Igλ in serum and to evaluate L chain usage of the Ab response against the hemagglutinin (HA) protein elicited by influenza infection. After influenza A infection of immunologically naive ferrets with various H1N1 or H3N2 strains, the acute Ab response against HA exhibited an inherent bias toward λ L chain usage. In contrast, secondary infection of H1N1 preimmune ferrets with an antigenically distinct H1N1 virus elicited a recall response against the original HA that was no longer biased toward Igλ and possessed differential specificity. Moreover, sequential infection of ferrets with H1N1 influenza viruses elicited an Igκ-biased Ab response directed against the HA globular head and stem regions. Furthermore, sequential infection of ferrets with viral vectors expressing chimeric HA, aimed at boosting Ab reactivity against the HA stem region, also elicited an Igκ-biased response. Collectively, these findings suggest that ferret B cells expressing an Igκ or Igλ BCR possess differential specificities, and highlight the utility of our recently developed mAbs for studying the immune response to influenza virus infection and vaccination in the ferret model.
Huge Left Atrial Myxoma and Concomitant Silent Coronary Artery Disease in a Young Man
Authors: Gennari Marco , Rubino Mara , Andreini Daniele , Polvani Gianluca , Agrifoglio Marco
Published: October 2017

Severe but silent coronary artery disease may rarely exist in young patients with a low-risk profile but with a family history of coronary artery disease. We describe the case of a 33-year-old Caucasian male with progressive shortness of breath caused by a huge left atrial myxoma who was diagnosed to have significant coronary artery disease in the preoperative assessment. After investigations, the patient underwent resection of the left atrial tumor and coronary artery bypass grafting (CABG) with a successful outcome. Even in the case of a young male, it may be prudent to investigate silent coronary artery disease in the presence of cardiovascular risk factors and family history of coronary artery disease. The learning objective of this case is to debate about the usefulness of a preoperative coronary study even in the young population with cardiac nonischemic pathologies (ie, valve pathology, cardiac tumors, etc.).
Lunasin: A Novel Cancer Preventive Seed Peptide
Authors: Hernández-Ledesma Blanca , De Lumen Ben O.
Published: October 2017

Cancer is one of the leading causes of deaths in the Western world. Approximately one-third of these deaths are preventable by lifestyle factors, including modification of nutritional habits. Studies have demonstrated that adequate nutrition with certain types of foods containing bioactive compounds might offer significant protection against carcinogenesis. Soybeans contain a variety of phytochemicals with demonstrated anticancer activity, including isoflavones, protease inhibitors, and more recently lunasin, a novel cancer preventive seed peptide. Initially isolated from soybean, lunasin has also been reported in barley and wheat. The purpose of this review is to summarize the most recent evidence on the possible benefits of lunasin for cancer prevention.
Modeling the erythemal surface diffuse irradiance fraction for Badajoz, Spain
Authors: Sanchez Guadalupe , Serrano Antonio , Cancillo María Luisa
Published: October 2017

Abstract. Despite its important role on the human health and numerous biological processes, the diffuse component of the erythemal ultraviolet irradiance (UVER) is scarcely measured at standard radiometric stations and therefore needs to be estimated. This study proposes and compares 10 empirical models to estimate the UVER diffuse fraction. These models are inspired from mathematical expressions originally used to estimate total diffuse fraction, but, in this study, they are applied to the UVER case and tested against experimental measurements. In addition to adapting to the UVER range the various independent variables involved in these models, the total ozone column has been added in order to account for its strong impact on the attenuation of ultraviolet radiation. The proposed models are fitted to experimental measurements and validated against an independent subset. The best-performing model (RAU3) is based on a model proposed by Ruiz-Arias et al. (2010) and shows values of r2 equal to 0.91 and relative root-mean-square error (rRMSE) equal to 6.1 %. The performance achieved by this entirely empirical model is better than those obtained by previous semi-empirical approaches and therefore needs no additional information from other physically based models. This study expands on previous research to the ultraviolet range and provides reliable empirical models to accurately estimate the UVER diffuse fraction.
Global impact of monocyclic aromatics on tropospheric composition
Authors: Cabrera-Perez David , Taraborrelli Domenico , Lelieveld Jos , Hoffmann Thorsten , Pozzer Andrea
Published: October 2017

Abstract. Aromatic compounds are reactive species influencing ozone formation, OH concentrations and organic aerosol formation. An assessment of their impacts on the gas-phase composition at a global scale has been performed using a general circulation atmospheric-chemistry model. Globally, we found a small annual average net decrease (less than 3 %) in global OH, ozone, and NOx mixing ratios when aromatic compounds are included in the chemical mechanism. This inclusion of aromatics also results in CO mixing ratio increases, which cause a general decrease in OH concentrations. The largest changes are found in glyoxal and NO3, with increases in the atmospheric burden of 10 % and 6 %, respectively. Regionally, significant differences were found particularly in high NOx regime areas, with an increase of up to 4 % in O3 mixing ratios and 8 % in OH concentrations. NO3 increased by more than 30 % in several regions of the northern hemisphere, and glyoxal increased up to 40 % in Europe and Asia. Large increases in formaldehyde were found in urban areas. Although the relative impact of aromatics at the global scale is limited, at a regional level they are important in atmospheric chemistry.
Temperature (208–318 K) and pressure (18–696 Torr) dependent rate coefficients for the reaction between OH and HNO3
Authors: Dulitz Katrin , Amedro Damien , Dillon Terry J. , Pozzer Andrea , Crowley John N.
Published: October 2017

Abstract. Rate coefficients (k5) for the title reaction were obtained using pulsed laser photolytic generation of OH coupled to its detection by laser-induced fluorescence (PLP-LIF). More than eighty determinations of k5 were carried out in nitrogen or air bath gas at various temperatures and pressures. The accuracy of the rate coefficients obtained was enhanced by in-situ measurement of the concentrations of both HNO3 reactant and NO2 impurity. The rate coefficients show both temperature and pressure dependence with a rapid increase in k5 at low temperatures. The pressure dependence was weak at room temperature but increased significantly at low temperatures. The entire dataset was combined with selected literature values of k5 and parameterised using a combination of pressure dependent and independent terms to give an expression that covers the relevant pressure and temperature range for the atmosphere. A global model, using the new parameterisation for k5 rather than those presently accepted, indicated small but significant latitude and altitude dependent changes in the HNO3 / NOx ratio of between −6 % and +6 %. Effective HNO3 absorption cross sections (184.95 and 213.86 nm, units of cm2 molecule−1) were obtained as part of this work: σ213.86 = 4.52+0.23−0.12 × 10−19 and σ184.95 = 1.61+0.08−0.04 × 10−17.
A new method for atmospheric detection of the CH3O2 radical
Authors: Onel Lavinia , Brennan Alexander , Seakins Paul W. , Whalley Lisa , Heard Dwayne E.
Published: October 2017

Abstract. A new method for measurement of the methyl peroxy (CH3O2) radical has been developed using the conversion of CH3O2 into CH3O by excess NO with subsequent detection of CH3O by fluorescence assay by gas expansion (FAGE) with laser excitation at ca. 298 nm. The method can also directly detect CH3O, when no nitric oxide is added. Laboratory calibrations were performed to characterise the FAGE instrument sensitivity using the conventional radical source employed in OH calibration with conversion of a known concentration of OH into CH3O2 via reaction with CH4 in the presence of O2. Detection limits of 3.8 × 108 and 3.0 × 108 molecule cm−3 were determined for CH3O2 and CH3O respectively for a signal-to-noise ratio of 2 and 5 min averaging time. Averaging over 1 h reduces the detection limit for CH3O2 to 1.1 × 108 molecule cm−3, which is comparable to atmospheric concentrations. The kinetics of the second-order decay of CH3O2 via its self-reaction were observed in HIRAC (Highly Instrumented Reactor for Atmospheric Chemistry) at 295 K and 1 bar and used as an alternative method of calibration to obtain a calibration constant with overlapping error limits at the 1σ level with the result of the conventional method of calibration. The overall uncertainties of the two methods of calibrations are similar – 15 % for the kinetic method and 17 % for the conventional method – and are discussed in detail. The capability to quantitatively measure CH3O in chamber experiments is demonstrated via observation in HIRAC of CH3O formed as a product of the CH3O2 self-reaction.
Shallow Geophysical Techniques to Investigate the Groundwater Table at the Giza Pyramids Area, Giza, Egypt
Authors: Sharafeldin Sharafeldin M. , Essa Khalid S. , Youssef Mohamed A. S. , Diab Zein E.
Published: October 2017

Abstract. Geophysical studies were performed along selected locations across the Pyramids Plateau to investigate the groundwater table and the near aquifer, which harmfully affected the existed monuments of the Giza Pyramids and Sphinx. Electrical Resistivity Imaging (ERI), Shallow Seismic Refraction (SSR) and Ground Penetrating Radar (GPR) techniques were carried out along selected profiles in the plateau. Ten ERI, twenty six SSR and nineteen GPR profiles were performed at the sites. The ERI survey shows that, the groundwater table is at elevations varying from 13 to 18 m above the sea level (asl) and low resistivity values near the surface at the Great Sphinx. ERI profiles, which were applied southeast of the Middle Pyramid (Khafre), show high resistivity values near the surface, and water table is located at elevations ranging from 22 to 40 m asl, while the ERI profiles conducted south of Menkaure, show almost high resistivity near the surface. The groundwater table is located at elevations ranging between 45 and 58 m asl. The aquifer layer shows electrical resistivities ranging between 10 and 50 Ohm.m. The considerable high change in the groundwater table is due to the rapid increases of topography from the Great Sphinx towards the Small Pyramids (Menkaure), where this part looks-like a scarp. The SSR Survey is transmitted to know the different velocities and types of the layers, which can help in knowing the saturated layers in the area. The GPR Survey is performed to delineate the water table, which gives good matching with the ERI results.
A MÍSTICA DO RACISMO: NARRATIVAS DE ESTUDANTES NEGRAS/OS UNIVERSITÁRIOS SOBRE RACISMO NA EDUCAÇÃO FORMAL
Authors: Cirqueira Diogo Marçal
Published: October 2017

Atualmente, há uma dinamização das discussões referentes à questão étnico-racial no Brasil noque diz respeito à população negra. E apesar desses debates existirem há tempos, estabelecidosprincipalmente pelos movimentos sociais negros e por intelectuais, só agora o ideário que secontrapõe a uma representação de Brasil como paraíso racial consegue maior visibilidade.Várias pesquisas realizadas por órgãos institucionais demonstram a desigualdade gritante entrenegras/os e brancas/os. Na educação essas desigualdades se constituem de forma maisevidente, pois nos lugares de educação formal o racismo atua intensamente influenciando natrajetória de estudantes negras/os, sobremaneira entre estudantes negras. Assim, frente àspesquisas quantitativas, buscamos realizar uma análise qualitativa acerca da trajetóriasocioespacial de estudantes negras da Universidade Federal de Goiás (UFG). Destacamos oslugares de educação formal pelos quais estas perpassaram a fim de evidenciar, com maiorprofundidade, as relações e as vivências que as/os mesmas/as estabeleceram nesses lugares.Tendo em vista que as estatísticas muitas das vezes invizibilizam o vivido, priorizamos osrelatos e narrativas das estudantes negras. As falas das mesmas, de alguma forma, evidenciama dimensão da atuação do racismo nos locais de educação formal ao serem citados termoscomo: “terror”, “medo”, “sofrimento”, “desânimo”, “hostilidade” etc. Nessas circunstânciaspodemos entender, ao menos em partes, o que nos dizem os perversos números das estatísticas.Palavras-chave: estudantes negra/os, trajetória socioespacial, educação formal, racismo.
Determination of tin, chromium, cadmium and lead in canned fruits from the Czech market
Authors: Diviš Pavel , Šťávová Elena , Poří­zka Jaromí­r , Drábiková Juliána
Published: October 2017

The global production of metal cans is more than 300 billion cans. Benefits of metal packaging consist mainly from the great strenght, excellent barrier properties and good thermal conductivity. The main problem of used metal packaging are the corrosion processes. The corrosion of metal container causes dissolution of tin which is used as a protective layer of the steel shell of the can and other metallic elements used in the manufacture of cans. In this work 31 samples of canned fruit was analysed and the concentration of tin, chromium, cadmium and lead was determined in fruit and in syrup using ICP-OES and ICP-MS techniques. The results showed no difference between the concentration of analysed elements in fruit and in syrup. In none of the analyzed samples the permitted maximum concentration of tin 200 mg.kg-1 was exceeded. Maximum concentration of tin was measured in canned grepfruit (59.8 ±1.9 mg.kg-1). The age of cans had no significant effect on the concentration of tin in canned fruit. The concentration of tin in fruit packaged in cans with protective layer of lacquer was significantly lower than the concentration of tin in fruit packaged in cans without protective layer of lacquer. Concentration of chromium, cadmium and lead in the analysed samples was very low at the natural levels of occurrence of these metals in fruit and it was impossible to determine unequivocally that the measured concentrations of these metals in canned fruit originate from the corrosion of can. The corrosion of the tinplate was studied using scanning electron microscopy with an energy dispersive spectrometer. By analyzing the SEM pictures and EDS spectra, critical areas of tin plate corrosion were observed. Based on the measured results it can be concluded that the consumption of fresh canned fruit is not a major problem for the inhabitants of the Czech Republic in terms of intake of potentially hazardous metals.
Effect of thyme and oregano aqueous tea infusions on the microbiological characteristics of sausages
Authors: Kročko Miroslav , Ducková Viera , Čanigová Margita , Kňazovická Vladimí­ra , Remeňová Zuzana , Trembecká Lenka , Haščí­k Peter
Published: October 2017

In this work the antimicrobial effect of Thymus vulgare and Origanum vulgare aqueous tea infusion on the total mesophilic bacterial count (TVC), psychrotrophic bacteria count (PBC) and enterococci count in the heat treated meat product - sausages were evaluated. To prepare 1 kg of sausage in experimental groups were used 10 cm3 of Thymus vulgare resp. Origanum vulgare aqueous tea infusions. It was found that value of TVC and PBC in the experimental groups of sausages with Thymus vulgare addition after 7 days of storage (4 °C) were 2.78 resp. 2.14 log cfu.g-1 and with the Origanum vulgare addition were 2.49 resp. 1.90 log cfu.g-1. The value of TVC and PBC in the control group of sausage were 3.13 resp. 2.72 log cfu.g-1. During 10 days of storage (4 °C) the TVC and PBC in the sausages with Thymus vulgare addition increase and reached the value 4.81 resp. 3.52 log cfu.g-1. In the sausages with the Origanum vulgare addition TVC and PBC after 10 days of storage reached the value 3.67 resp. 1.60 log cfu.g-1. The value of TVC and PBC in the control group of sausage after 10 days of storage were 6.47 resp. 5.47 log cfu.g-1. Counts of enterococci in control and experimental groups of sausages during 10 days of storage were not detected. Thyme and origanum aqueous tea infusions suppressed the development of TVC and PBC compare to control samples.
Seed oil content and selected qualitative parameters of oils from grape seeds
Authors: Mašán Vladimí­r , Burg Patrik , Rutkowski Kazimierz , Burgová Jana , Lampí­ř Lubomí­r , Višacki Vladimir
Published: October 2017

Grape seed oil (Oleum vitis viniferae) represents promising plant oil, which is used mainly in gastronomy and for pharmaceutical purposes as well as for various technical applications. In this paper, there were examined oil contents and oil quality properties of seeds taken from 8 grape cultivars. Oil contents were found to be different for each cultivar, which ranged from 11.5% (Dornfelder) to 17.5% (Riesling). The results showed a dependence between the length of the growing season for individual varie-ties and the total content of oil in seeds. Fatty acid concentrations in the evaluated oil samples were in various ranges, while the highest values were determined in linoleic acid 70.10 to 71.55%, oleic acid 15.61 to 17.14%, palmitic acid 6.87 to 8.18% and stearic acid 3.16 to 3.90%. Saturated fatty acid values were lower than the values of monounsaturated fatty acids and polyunsaturated fatty acids in all oil samples. The degree of unsaturation in the grape seed oil ranged between 88.6 - 89.21%. Thanks to its content, grape seed oil can be considered as a food supplement improving the nutri-tional value of the human diet.
“You'd Oughter Start a Scrap-Book”: Gossip and Aspirational Culture inThe House of MirthandThe Custom of the Country
Authors: Dawley M. M.
Published: October 2017

In Edith Wharton's novels The House of Mirth (1905) and The Custom of the Country (1913), both protagonists are subject to a great deal of gossip; only one, however, manages to learn how to manipulate that gossip to her benefit. With the character of Lily Bart, Wharton illustrates the danger of attempting to maintain one's scruples in a world of speculation; with Undine Spragg, she highlights the advantages of amorality in a society fascinated with publicity. If one examines the trajectory of gossip—both whispered and printed—in the two novels, a pattern of destruction and reconstruction emerges. Lily begins as a famous society belle, whose ultimate ejection from the upper echelons of society takes place in front of a society columnist. Wharton later presented a more ambitious and less ethical version of Lily with the character Undine Spragg-Moffatt-Marvell-de Chelles-Moffatt, who measures her own social progress, as well as the relative position of others, by counting citations in Town Talk. If Undine's beauty is not publicly discussed, much less admired, to her it no longer holds its worth. By comparing Lily with Undine, a different Edith Wharton emerges—one less aligned with the values of old New York and one more dedicated to satirizing the aspirational culture that still dominates American society.
An Unknown Letter from Edith Wharton to Minnie Bourget
Authors: Ricard Virginia
Published: October 2017

In 2013, in a Paris library, I found a long and interesting letter from Edith Wharton to Minnie Bourget. Among other things, Wharton discusses her reading—including Henry James's latest (but unnamed) novel—and her own writing. In this article I explain why I think the letter was written in 1896, and what new questions the date opens up.
ÍNDIOS E TERRAS: PANORAMA DA QUESTÃO INDÍGENA NO CEARÁ
Authors: Pereira Cláudio Luis Gomes , Barbosa Larissa Neris , Brasileiro Francisca Mairla Gomes , Silva Jéssica Freitas e
Published: October 2017

As terras indígenas vêm sendo alvo de disputa desde a chegada dos colonizadores no território que hoje forma o Brasil. No entanto, o debate científico acerca desta problemática ainda não representa a real dimensão destes conflitos. Deste modo, o presente trabalho reflete através de uma abordagem teórica da questão dos povos indígenas, primeiramente no Brasil e, afunilando a abordagem, focaliza no estado do Ceará.  Para isso, se fez uma coleta de dados em órgãos como o Instituto Brasileiro de Geografia e Estatística (IBGE), Fundação Nacional do Índio (FUNAI), além de organizações não governamentais que atuam na área indígena. Estes resultados foram organizados em tabelas, mapas e gráficos com o fim de apresentarem um panorama da questão das terras e das tribos indígenas no estado.  Este se inicia através de um resgate histórico da questão do índio no Brasil, demonstrando como a atual configuração destas populações se construiu. Este processo repete-se mais a frente no texto, desta vez, focalizado nos povos nativos cearenses. Posteriormente, o texto adentra nos processos legais referentes a preservação dos territórios indígenas e culmina com o mapeamento das terras em disputa e da atual situação de seus processos e de seus povos, resultando assim em um panorama da questão indígena no Ceará.
Risk-Return Dynamics of Cross-listed Stocks
Authors: Yang Ming Jing
Published: October 2017

Since US has been playing a leading role in global economy and technology, any major price changes in the American stock market may affect other stock markets worldwide. The American Depositary Receipts (ADRs), being the substitutes for the foreign securities, provide American investors with appealing investment opportunities to form international portfolios and to achieve the international diversification benefits. These stocks cross-listed on different exchanges not only assist corporations in raising capital abroad, but also provide a better channel for firms to search for price efficiency across the international capital markets. Consequently, the objective of this study is to examine the risk and return dynamics between ADRs and their underlying securities. The empirical results of this study indicate that the mean and volatility spillover effects and information transmission between ADRs and their underlying securities are bi-directional for the Taiwanese securities, but uni-directional (from the underlying securities to their ADRs) for the Chinese securities. Furthermore, while the international center hypothesis and the home bias hypothesis are both supported for the Taiwanese securities cross-listed in US stock markets, this study also provides evidence more in favor of the home bias hypothesis for the Chinese ADRs and their underlying securities.