bluuebunny/crossref_metadata_2025 huggingface dataset:
Reexamination of Accelerometer Calibration with Energy Expenditure as Criterion: VO2net Instead of MET for Age-Equivalent Physical Activity Intensity
Authors: Arvidsson Daniel , Fridolfsson Jonatan , Buck Christoph , Ekblom Örjan , Ekblom-Bak Elin , Lissner Lauren , Hunsberger Monica , Börjesson Mats
Published: August 2019

Accelerometer calibration for physical activity (PA) intensity is commonly performed using Metabolic Equivalent of Task (MET) as criterion. However, MET is not an age-equivalent measure of PA intensity, which limits the use of MET-calibrated accelerometers for age-related PA investigations. We investigated calibration using VO2net (VO2gross − VO2stand; mL⋅min−1⋅kg−1) as criterion compared to MET (VO2gross/VO2rest) and the effect on assessment of free-living PA in children, adolescents and adults. Oxygen consumption and hip/thigh accelerometer data were collected during rest, stand and treadmill walk and run. Equivalent speed (Speedeq) was used as indicator of the absolute speed (Speedabs) performed with the same effort in individuals of different body size/age. The results showed that VO2net was higher in younger age-groups for Speedabs, but was similar in the three age-groups for Speedeq. MET was lower in younger age-groups for both Speedabs and Speedeq. The same VO2net-values respective MET-values were applied to all age-groups to develop accelerometer PA intensity cut-points. Free-living moderate-and-vigorous PA was 216, 115, 74 and 71 min/d in children, adolescents, younger and older adults with VO2net-calibration, but 140, 83, 74 and 41 min/d with MET-calibration, respectively. In conclusion, VO2net calibration of accelerometers may provide age-equivalent measures of PA intensity/effort for more accurate age-related investigations of PA in epidemiological research.
A Data-Based Framework for Identifying a Source Location of a Contaminant Spill in a River System with Random Measurement Errors
Authors: Kim Jun Hyeong , Lee Mi Lim , Park Chuljin
Published: August 2019

This study addresses the problem of identifying the source location of a contaminant spill in a river system when a sensor network returns observations containing random measurement errors. To solve this problem, we suggest a new framework comprising three main steps: (i) spill detection, (ii) data preprocessing, and (iii) source identification. Specifically, we applied a statistical process control chart to detect a contaminant spill with measurement errors while keeping the false alarm rate at less than or equal to a user-specified value. After detecting a spill, we generated a nonlinear regression model to estimate a breakthrough curve of the observations and derive a characteristic vector of the estimated curve. Using the characteristic vector as an input, a random forest model was constructed with the sensor raising the first alarm. The model provides output values between 0 and 1 to represent the possibility of each candidate location being the true spill source. These possibility values allow users to identify strong candidate locations for the spill. The accuracy of our framework was tested on part of the Altamaha River system in Georgia, USA.
Microanalyser Prototype for On-Line Monitoring of Copper(II) Ion in Mining Industrial Processes
Authors: Guevara Amatón Karla Victoria , Couceiro Pedro , Coto Fuentes Hesner , Calvo-Lopez Antonio , Sández Natàlia , Moreno Casillas Héctor Aurelio , Valdés Perezgasga Francisco , Alonso-Chamarro Julián
Published: August 2019

A microanalyzer prototype for copper(II) ion monitoring in mining industrial processes is presented. The microanalyzer is designed as an assembly of different modules, each module being responsible for a unit operation. In order to optimize the industrial processes, the microanalyzer can automate all sample management, signal processing, and mathematical calculations and wirelessly transfer data to a control room. The determination of copper(II) ion is done using a colorimetric reaction and the microanalyser performs autocalibration by in situ dilution of a stock solution, matching the higher analyte concentration of the working range defined for the sample to be determined, using a multicommutation approach. The performance of the microanalyzer for monitoring copper(II) ion in water effluents of mining facilities was optimized in the working range from 1 to 10 mg/L to match Mexican environmental law regulations, which allow a maximum concentration of 4 mg/L of copper(II) ion in these circumstances.
Improved Remotely Sensed Total Basin Discharge and Its Seasonal Error Characterization in the Yangtze River Basin
Authors: Chen Yutong , Fok Hok Sum , Ma Zhongtian , Tenzer Robert
Published: August 2019

Total basin discharge is a critical component for the understanding of surface water exchange at the land–ocean interface. A continuous decline in the number of global hydrological stations over the past fifteen years has promoted the estimation of total basin discharge using remote sensing. Previous remotely sensed total basin discharge of the Yangtze River basin, expressed in terms of runoff, was estimated via the water balance equation, using a combination of remote sensing and modeled data products of various qualities. Nevertheless, the modeled data products are presented with large uncertainties and the seasonal error characteristics of the remotely sensed total basin discharge have rarely been investigated. In this study, we conducted total basin discharge estimation of the Yangtze River Basin, based purely on remotely sensed data. This estimation considered the period between January 2003 and December 2012 at a monthly temporal scale and was based on precipitation data collected from the Tropical Rainfall Measuring Mission (TRMM) satellite, evapotranspiration data collected from the Moderate Resolution Imaging Spectroradiometer (MODIS) satellite, and terrestrial water storage data collected from the Gravity Recovery and Climate Experiment (GRACE) satellite. A seasonal accuracy assessment was performed to detect poor performances and highlight any deficiencies in the modeled data products derived from the discharge estimation. Comparison of our estimated runoff results based purely on remotely sensed data, and the most accurate results of a previous study against the observed runoff revealed a Pearson correlation coefficient (PCC) of 0.89 and 0.74, and a root-mean-square error (RMSE) of 11.69 mm/month and 14.30 mm/month, respectively. We identified some deficiencies in capturing the maximum and the minimum of runoff rates during both summer and winter, due to an underestimation and overestimation of evapotranspiration, respectively.
Piezoelectric Shunt Stiffness in Rhombic Piezoelectric Stack Transducer with Hybrid Negative-Impedance Shunts: Theoretical Modeling and Stability Analysis
Authors: He Leiying , Zheng Wenguang , Zhao Chenxue , Wu Chuanyu
Published: August 2019

Negative-capacitance shunted piezoelectric polymer was investigated in depth due to its considerable damping effect. This paper discusses the novel controlled stiffness performance from a rhombic piezoelectric stack transducer with three hybrid negative-impedance shunts, namely, negative capacitance in series with resistance, negative capacitance in parallel with resistance, and negative inductance/negative capacitance (NINC) in series with resistance. An analytical framework for establishing the model of the coupled system is presented. Piezoelectric shunt stiffness (PSS) and piezoelectric shunt damping (PSD) are proposed to analyze the stiffness and damping performances of the hybrid shunts. Theoretical analysis proves that the PSS can produce both positive and negative stiffness by changing the negative capacitance and adjustable resistance. The Routh–Hurwitz criterion and the root locus method are utilized to judge the stability of the three hybrid shunts. The results point out that the negative capacitance should be selected carefully to sustain the stability and to achieve the negative stiffness effect of the transducer. Furthermore, negative capacitance in parallel with resistance has a considerably better stiffness bandwidth and damping performance than the other two shunts. This study demonstrates a novel electrically controlled stiffness method for vibration control engineering.
Urban Shrinkage and Sustainability: Assessing the Nexus between Population Density, Urban Structures and Urban Sustainability
Authors: Slach Ondřej , Bosák Vojtěch , Krtička Luděk , Nováček Alexandr , Rumpel Petr
Published: August 2019

Urban shrinkage has become a common pathway (not only) in post-socialist cities, which represents new challenges for traditionally growth-oriented spatial planning. Though in the post-socialist area, the situation is even worse due to prevailing weak planning culture and resulting uncoordinated development. The case of the city of Ostrava illustrates how the problem of (in)efficient infrastructure operation, and maintenance, in already fragmented urban structure is exacerbated by the growing size of urban area (through low-intensity land-use) in combination with declining size of population (due to high rate of outmigration). Shrinkage, however, is, on the intra-urban level, spatially differentiated. Population, paradoxically, most intensively declines in the least financially demanding land-uses and grows in the most expensive land-uses for public administration. As population and urban structure development prove to have strong inertia, this land-use development constitutes a great challenge for a city’s future sustainability. The main objective of the paper is to explore the nexus between change in population density patterns in relation to urban shrinkage, and sustainability of public finance.
The Impact of Air Pollution on Domestic Tourism in China: A Spatial Econometric Analysis
Authors: Dong Daxin , Xu Xiaowei , Yu Hong , Zhao Yanfang
Published: August 2019

This study utilizes a spatial econometric model to analyze the impact of air pollution on domestic tourism in China. Based on a panel dataset covering 337 cities from 2004–2013, this study derives the following findings. (1) Air pollution significantly reduces domestic tourist arrivals in the local city. On average, if the concentration of PM 2.5 (particulate matter equal to or less than 2.5 micrometers in width) in one city increases by 1 μ g/m 3 , the number of domestic tourists to the city declines by 0.7%. (2) Air pollution demonstrates significant spatial spillover effects. If the PM 2.5 in other cities simultaneously increases by 1 μ g/m 3 , the number of domestic tourists traveling to the local city rises by 4.1%. (3) The magnitude of the spillover effects of air pollution is larger than the negative direct effects on local cities. This study suggests that enhancing air quality in the local area will effectively promote the domestic tourism industry in the local city. In addition, it is implied that a simultaneous improvement in the air quality in all cities might not lead to an increase in the number of domestic tourist arrivals. Thus, in order to deal with the spillover effects of air pollution on the domestic tourism industry, local governments should make efforts to develop cross-city or cross-region tourism.
Financial Constraints and R&D Investment: The Moderating Role of CEO Characteristics
Authors: Yin Ximing , Hai Ben-lu , Chen Jin
Published: August 2019

How CEOs with different characteristics act differently on R&D investment under the condition of financial constraints is an important but understudied question towards firms’ sustainable innovation. Employing the dataset from China-Enterprise Survey 2012 of the World Bank, this study tests the impact of financial constraints on firms’ R&D investment and the moderating role of CEO characteristics. Empirical results show that: (1) firm’s financial constraints have a significant restricting effect on their R&D investment; (2) internal financial constraints have no significant restricting effect on R&D investment for firms with female CEOs in comparison with firms with male CEOs, while the external financial constraints have a significant restricting effect on R&D investment for both groups. (3) CEO experience has a non-linear moderating effect on the relationship between financial constraints and a firm’s R&D investment. When the accumulated experience is overloaded, the positive moderating effect of CEO experience begins to decline and even become negative. Robustness tests further confirm these empirical findings. This study directly contributes to the literature of financing innovation and top management team’s impact on firms’ sustainable innovation, and generates insights on firms’ R&D management under the condition of financial constraints.
Spatiotemporal Differentiation and the Factors of Ecological Vulnerability in the Toutun River Basin Based on Remote Sensing Data
Authors: Liu Qin , Shi Tiange
Published: August 2019

Ecological vulnerability assessment increases the knowledge of ecological status and contributes to formulating local plans of sustainable development. A methodology based on remote sensing data and spatial principal component analysis was introduced to discuss ecological vulnerability in the Toutun River Basin (TRB). Exploratory spatial data analysis and a geo-detector were employed to evaluate the spatial and temporal distribution characteristics of ecological vulnerability and detect the driving factors. Four results were presented: (1) During 2003 and 2017, the average values of humidity, greenness, and heat in TRB increased by 49.71%, 11.63%, and 6.51% respectively, and the average values of dryness decreased by 165.24%. However, the extreme differences in greenness, dryness, and heat tended to be obvious. (2) The study area was mainly dominated by a high and extreme vulnerability grade, and the ecological vulnerability grades showed the distribution pattern that the northern desert area was more vulnerable than the central artificial oasis, and the central artificial oasis was more vulnerable than the southern mountainous area. (3) Ecological vulnerability in TRB showed significant spatial autocorrelation characteristics, and the trend was enhanced. The spatial distribution of hot/cold spots presented the characteristics of “hot spot—cold spot—secondary hot spot—cold spot” from north to south. (4) The explanatory power of each factor of ecological vulnerability was temperature (0.5955) > land use (0.5701) > precipitation (0.5289) > elevation (0.4879) > slope (0.3660) > administrative division (0.1541). The interactions of any two factors showed a non-linear strengthening effect, among which, land use type ∩ elevation (0.7899), land use type ∩ precipitation (0.7867), and land use type ∩ temperature (0.7791) were the significant interaction for ecological vulnerability. Overall, remote sensing data contribute to realizing a quick and objective evaluation of ecological vulnerability and provide valuable information for decision making concerning ecology management and region development.
Fast Color Quantization by K-Means Clustering Combined with Image Sampling
Authors: Frackiewicz Mariusz , Mandrella Aron , Palus Henryk
Published: August 2019

Color image quantization has become an important operation often used in tasks of color image processing. There is a need for quantization methods that are fast and at the same time generating high quality quantized images. This paper presents such color quantization method based on downsampling of original image and K-Means clustering on a downsampled image. The nearest neighbor interpolation was used in the downsampling process and Wu’s algorithm was applied for deterministic initialization of K-Means. Comparisons with other methods based on a limited sample of pixels (coreset-based algorithm) showed an advantage of the proposed method. This method significantly accelerated the color quantization without noticeable loss of image quality. The experimental results obtained on 24 color images from the Kodak image dataset demonstrated the advantages of the proposed method. Three quality indices (MSE, DSCSI and HPSI) were used in the assessment process.
On Quasi-Homogeneous Production Functions
Authors: Vîlcu Alina-Daniela , Vîlcu Gabriel-Eduard
Published: August 2019

In this paper, we investigate the class of quasi-homogeneous production models, obtaining the classification of such models with constant elasticity with respect to an input as well as with respect to all inputs. Moreover, we prove that a quasi-homogeneous production function f satisfies the proportional marginal rate of substitution property if and only f reduces to some symmetric production functions.
Characteristics of the s–Wave Symmetry Superconducting State in the BaGe3 Compound
Authors: Szewczyk Kamila A. , Drzazga-Szczȩśniak Ewa A. , Jarosik Marcin W. , Szczȩśniak Klaudia M. , Binek Sandra M.
Published: August 2019

Thermodynamic properties of the s–wave symmetry superconducting phase in three selected structures of the BaGe 3 compound ( P 6 3 / m m c , A m m 2 , and I 4 / m m m ) were discussed in the context of DFT results obtained for the Eliashberg function. This compound may enable the implementation of systems for quantum information processing. Calculations were carried out within the Eliashberg formalism due to the fact that the electron–phonon coupling constant falls within the range λ ∈ 0.73 , 0.86 . The value of the Coulomb pseudopotential was assumed to be 0.122 , in accordance with the experimental results. The value of the Coulomb pseudopotential was assumed to be 0.122 , in accordance with the experimental results. The existence of the superconducting state of three different critical temperature values, namely, 4.0 K, 4.5 K and 5.5 K, depending on the considered structure, was stated. We determined the differences in free energy ( Δ F ) and specific heat ( Δ C ) between the normal and the superconducting states, as well as the thermodynamic critical field ( H c ) as a function of temperature. A drop in the H c value to zero at the temperature of 4.0 K was observed for the P 6 3 / m m c structure, which is in good accordance with the experimental data. Further, the values of the dimensionless thermodynamic parameters of the superconducting state were estimated as: R Δ = 2 Δ ( 0 ) / k B T c ∈ { 3.68 , 3.8 , 3.8 } , R C = Δ C ( T c ) / C N ( T c ) ∈ { 1.55 , 1.71 , 1.75 } , and R H = T c C N ( T c ) / H c 2 ( 0 ) ∈ { 0.168 , 0.16 , 0.158 } , which are slightly different from the predictions of the Bardeen–Cooper–Schrieffer theory ( [ R Δ ] B C S = 3.53 , [ R C ] B C S = 1.43 , and [ R H ] B C S = 0.168 ). This is caused by the occurrence of small retardation and strong coupling effects.
Genome of Alaskapox Virus, a Novel Orthopoxvirus Isolated from Alaska
Authors: Gigante Crystal M. , Gao Jinxin , Tang Shiyuyun , McCollum Andrea M. , Wilkins Kimberly , Reynolds Mary G. , Davidson Whitni , McLaughlin Joseph , Olson Victoria A. , Li Yu
Published: August 2019

Since the eradication of smallpox, there have been increases in poxvirus infections and the emergence of several novel poxviruses that can infect humans and domestic animals. In 2015, a novel poxvirus was isolated from a resident of Alaska. Diagnostic testing and limited sequence analysis suggested this isolate was a member of the Orthopoxvirus (OPXV) genus but was highly diverged from currently known species, including Akhmeta virus. Here, we present the complete 210,797 bp genome sequence of the Alaska poxvirus isolate, containing 206 predicted open reading frames. Phylogenetic analysis of the conserved central region of the genome suggested the Alaska isolate shares a common ancestor with Old World OPXVs and is diverged from New World OPXVs. We propose this isolate as a member of a new OPXV species, Alaskapox virus (AKPV). The AKPV genome contained host range and virulence genes typical of OPXVs but lacked homologs of C4L and B7R, and the hemagglutinin gene contained a unique 120 amino acid insertion. Seven predicted AKPV proteins were most similar to proteins in non-OPXV Murmansk or NY_014 poxviruses. Genomic analysis revealed evidence suggestive of recombination with Ectromelia virus in two putative regions that contain seven predicted coding sequences, including the A-type inclusion protein.
Hydropower from the Alpine Cryosphere in the Era of Climate Change: The Case of the Sabbione Storage Plant in Italy
Authors: Stucchi Leonardo , Bombelli Giovanni , Bianchi Alberto , Bocchiola Daniele
Published: August 2019

Greenhouse gas reduction policies will have to rely as much as possible upon renewable, clean energy sources. Hydropower is a very good candidate, since it is the only renewable energy source whose production can be adapted to demand, and still has a large exploitation margin, especially in developing countries. However, in Europe the contribution of hydropower from the cold water in the mountain areas is at stake under rapid cryospheric down wasting under global warming. Italian Alps are no exception, with a large share of hydropower depending upon cryospheric water. We study here climate change impact on the iconic Sabbione (Hosandorn) glacier, in the Piemonte region of Italy, and the homonymous reservoir, which collects water from ice melt. Sabbione storage plant has operated since 1953 and it was, until recently, the highest altitude dam of Europe at 2460 m asl, and the former second largest dam of the Alps with 44 Mm3. We use two models, namely Poly-Hydro and Poly-Power, to assess (i) present hydrological budget and components (i.e., ice/snow melt, rainfall), and (ii) hydropower production under optimal reservoirs’ management, respectively. We then project forward hydrological cycle including Sabbione glacier’s fate, under properly downscaled climate change scenarios (three General Circulation Models, three Representative Concentration Pathways, nine scenarios overall) from IPCC until 2100, and we assess future potential for hydropower production under the reservoir’s re-operation. Mean annual discharge during 2000–2017 is estimated at 0.90 m3 s−1, with ice melt contribution of ca. 11.5%, and ice cover as measured by remote sensing changing from 4.23 km2 in 2000 to 2.94 km2 in 2017 (−30%). Mean hydropower production during 2005–2017 is estimated as 46.6 GWh. At the end of the century ice covered area would be largely depleted (0–0.37 km2), and ice melt contribution would drop largely over the century (0%–10%, 5% on average at half century, and null in practice at the end of century). Therefore, decreased ice cover, and uncertain patterns of changing precipitation, would combine to modify the future stream fluxes (−22% to −3%, −10% on average at half century, and −28% to 1%, average −13%, at the end of century). Power production, driven by seasonal demand and water availability, would change (decrease) in the future (−27% to −8%, −15% on average at half century, and −32% to −5%, −16% at the end of century). Our results demonstrate potential for decrease of cold water in this area, paradigmatic of the present state of hydropower in the Alps, and subsequent considerable hydropower losses under climate change, and claim for adaptation measures therein.
«Convergence of Statistical Disciplines in Financial and Economic Educational Programs»: An Overview of the Round Table Presentations
Authors: Salin V. N.
Published: August 2019

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Um olhar sensível sobre o espaço geográfico: contribuições da geografia das emoções
Authors: Alves Soares da Silva Marcia
Published: August 2019

A discussão sobre as emoções perpassa diferentes áreas do conhecimento e, na Geografia, emerge nos últimos anos, a partir da Geografia das Emoções, que busca aliar as questões emocionais às questões espaciais. No Brasil, a reflexão ainda é incipiente, no entanto, há produções significativas em âmbito internacional, com pesquisas sobre a temática desde os anos 2000. Fundamentado em uma reflexão teórica e conceitual, o artigo tem por objetivo apresentar as diferentes perspectivas da Geografia das Emoções, apontando as discussões centrais realizadas sobre o assunto. No intuito de contribuir para a área, apresentamos ainda uma reflexão sobre o tema a partir da questão simbólica, aliando Geografia e Filosofia, discutindo as emoções e sua relação de sentido e significado no universo simbólico da cultura, refletindo ainda a narrativa como possibilidade metodológica para o estudo das emoções na Geografia. Percebe-se uma pluralidade teórica, conceitual e metodológica na Geografia das Emoções, o que demonstra a importância e potencialidade de estudos que busquem compreender as relações espaciais para além de sua materialidade, mas mediadas por questões subjetivas que animam a vida, como as emoções, já que elas fazem parte da construção de diferentes espacialidades cotidianas.
Affective territories: cartography of aconchego as cartography of power
Authors: Hutta Jan Simon
Published: August 2019

The paper introduces an affective approach to the study of territory andterritoriality. Previous discussions of ‘territoriality’, it is shown, have commonlyfocused on symbolic dimensions. Where affect has been addressed, it has beenmostly in relation to the ‘topophilic bond’ of people and territory. Instead, thepaper suggests understanding both re- and deterritorialization processes asinherently affective. This draws attention to how a series of affective ‘vectors’ –including fear and aconchego – intensify or dampen de- and reterritorializations.Moreover, it sheds new light on the formation of capacities of acting in spatialcontext. To develop this argument, the paper draws on approaches to affectthat are inspired by Gilles Deleuze’s reading of Spinoza. It then uses theexamples of fear and what in Portuguese is called aconchego to illustrate some of the analytic questions thus arising. What emerges is an affective cartographythat entails understanding power relations as affective, rendering previousdistinctions between ‘territory’ and ‘territoriality’ questionable.
Optimation of Emulgator Composisition in Cream Formulation Ethyl-Acetate Fraction from Jackfruit Bark Extract (Artocarpus heterophyllus Lamk)
Authors: Dina Aldila , Pramono Suwidjiyo , Sugihartini Nining
Published: August 2019

The jackfruit bark extract (A. heterophyllus) could inhibit the activity of tyrosinase enzyme. It was needed to be formulated as whitening cream. Cream formulation need emulsifi er to result physical properties and good stability. Aim of this study was to know the optimum composition of stearic acid and trietanolamine mixture as emulsifi ers in the jackfruit bark extract cream by using Factorial Design method. The fraction of the jackfruit bark extract was formulated in cream. The composition of stearic acid and trietanolamine were F1 (5:0,4), Fa (2,5:0,4), Fb (5:0,2) and Fab (2,5:0,2). The cream’s physical properties (spreadability, viscosity, viscosity shift) were evaluated. Data were analyzed by using Design Expert to obtain emulsifi er optimum composition. The result of study showed cream of jackfruit bark extract with variation of stearic acid and triethanolamine have a the viscosity value : 30628-37227 cps; spreadibility range from 5.20 to 6.80 cm and viscosity shift between 8.34% to 9.95%. The conclusion of this research is the formula that has optimum physical properties obtained by emulsifi er mixture composition of 3.22 gram stearic acid and 0.3 gram trietanolamine.
Cardioprotective Potential of Ethanol Extract of Sonchus Arvensis L. Leaves on Isoproterenol-Induced Myocardial Infarction in Rat
Authors: Kurniati Neng Fisheri , Sukandar Elin Yulinah , Pardilah Rian , Suliska Nova , Ayuningtyas Dhyan Kusuma
Published: August 2019

Sonchus arvensis L. leaves have been used traditionally to treat various disease conditions. This study is designed to evaluate cardioprotective potential of ethanol extract of S. arvensis leaves on isoproterenol-induced myocardial infarction in Wistar rat. Male Wistar albino rats were divided into three main groups: negative control (saline only), positive control (isoproterenol only), and S. arvensis extract treated groups. S. arvensis extract was administered in three doses; 50, 100, and 200 mg/kg b.w. p.o for 14 days. On day 13 and 14, isoproterenol (85 mg/kg bw) was given intraperitoneally to positive control and extract treated groups. The parameters studied were cardiac biomarker enzymes which were Creatine Kinase (CK), Creatine Kinase-MB (CK-MB), Aspartate Transaminase (AST), Alanine Transaminase (ALT) and Lactate Dehydrogenase (LDH). The results showed that S. arvensis at dose of 50 mg/kg b.w. could significantly (P<0.05) reduce the level of CK, CK-MB, AST, ALT, and LDH in myocardial infarcted rats compared to positive control. The increase of the dose of S. arvensis extract was not followed by an increase of its cardioprotective activity. In conclusion, Sonchus arvensis L. leaves extract at dose of 50 mg/kg b.w. has potential to be developed as cardioprotective drug.
Anti-Inflammation Activity Test of Nanoparticles Ethanol Extract of Temulawak Rhizome (Curcuma xanthorrhiza Roxb.) with Protein Denaturation Inhibition Method
Authors: Farida Yunahara , Rahmat Deni , Amanda Agi Widia
Published: August 2019

Javanese turmeric rhizome (Curcuma xanthorrhiza Roxb.) has been known to have many health benefits as antibacterial, anti-inflammatory, antidiabetic and anticancer. The purpose of this study was to compare the anti-inflammatory activity of temulawak rhizome extract with its nanoparticles. Temulawak rhizome extract was obatained by maceration using 96% (v/v) ethanol as a solvent. The extracts were made into nanoparticles by ionic gelation method which used chitosan and tripolyphosphate. The results of antiinflammatory activity test using a method of inhibiting protein denaturation showed the persentage of inhibition of protein denaturation (IC50) of the extract of temulawak rhizome of 521.67±5.80 ppm while the IC50 of the nanoparticles was 398.02±1.78 ppm. Accordingly, the antiinflammatory activity of the nanoparticles was better than the extract of temulawak rhizome.
PEMILIHAN PANTAI PRIORITAS DENGAN PRINSIP COMMUNITY BASED TOURISM DI KAWASAN CLUNGUP MANGROVE CONSERVATION, DUSUN SENDANGBIRU, KABUPATEN MALANG
Authors: Tribowo Akbar , M. Marjuka Yuwana , K. Kausar Devi Roza
Published: August 2019

Kawasan wisata Clungup Mangrove Conservation (CMC) secara administrasi terletak di Dusun Sendangbiru, Kecamatan Sumbermanjing Wetan, Desa Tambakrejo, Kabupaten Malang. Didalam kawasan ini terdapat enam pantai yaitu; Pantai Clungup, Pantai Gatra, Pantai Sapana, Pantai Mini, Pantai Batu Pecah, dan Pantai Tiga Warna. Penelitian ini memiliki tujuan untuk memilih pantai prioritas berdasarkan prinsip Community Based Tourism (CBT) sebagai proses pengembangan kawasan wisata, pemilihan pantai prioritas dititikberatkan terhadap empat pantai yaitu; Pantai Clungup, Pantai Sapana, Pantai Mini, dan Pantai Batu Pecah. Dalam proses mendefinisikan pilihan, metode yang digunakan adalah Analytical Hierarchy Process (AHP), untuk menemukan prioritas keriteria dan alternatif. Hasil analisis AHP melibatkan beberapa narasumber terkait sebagai pakar dalam pemangku kepentingan pengembangan kawasan Clungup Mangrove Conservation (CMC). Dari analisis data, terlihat bahwa kriteria prioritas berdasarkan prinsip CBT adalah dimensi lingkungan (0,373), diikuti oleh dimensi ekonomi (0,330), dimensi sosial (0,172), dimensi budaya (0,076), dan terakhir dimensi politik (0,49). Sedangkan alternatif prioritas pemilihan pantai adalah Pantai Clungup dengan skor (1,000) dari masing-masing kriteria. Dengan demikian dapat disimpulkan bahwa pantai yang memiliki prioritas pengembangan adalah Pantai Clungup dengan kepentingan yang berada pada dimensi lingkungan.
PENGARUH ON TIME PERFORMANCE TERHADAP MINAT BELI ULANG PADA PT. GARUDA INDONESIA (PERSERO) TBK
Authors: Dortina Yunika , K. Kausar Devi Roza , P. Mbulu Yustisia
Published: August 2019

Penelitian ini dilakukan untuk mengetahui pengaruh On Time Performance terhadap Minat Beli Ulang pada PT. Garuda Indonesia (Persero) Tbk. Manajemen atau program yang dilakukan maskapai penerbangan Garuda Indonesia untuk memaksimalkan kinerja dalam bidang ketepatan waktu (On Time Performance) sudah sangat baik dan maksimal. Garuda Indonesia sangat memperhatikan kepuasan pelanggan sehingga menciptakan program dari Garuda Indonesia tersebut yang sudah sangat lengkap sehingga meminimalisir adanya delay atau keterlambatan. Hasil temuan pengaruh On Time Performance pada PT. Garuda Indonesia (Persero) Tbk. Pada minat beli ulang konsumen yaitu sebesar 32% yang artinya bahwa variable On Time Performance berkorelasi positif dengan variabel Minat Beli Ulang, dengan tingkat hubungan sedang. Dari segi On Time Performance menjadi alasan utama konsumen mempunyai minat beli ulang, dapat dilihat bahwa On Time Performance bukan menjadi satu-satunya alasan komsumen membeli ulang jasa penerbangan Garuda Indonesia. Beberapa faktor atau alasan lain konsumen mempunyai minat beli ulang pada maskapai Garuda Indonesia adalah Pelayanan, Fasilitas,Pengalaman.
PENGEMBANGAN AKSESIBILITAS TRANSPORTASI PARIWISATA PULAU PRAMUKA KEPULAUAN SERIBU
Authors: Nur Fadilla Dilla , Darmawan Fahrurozy
Published: August 2019

The development of the tourism industry can not be separated from the development of transportation accessibility. Which although the location of the tour it is very good, the access and transportation is less adequate the tourist visit there will be very limited and just certain tourist groups who visit. The location that the researcher chose to research is the Pramuka islands. With the aim of the strategic planning of the accessibility development in support of Pramuka island tour. The designing of this research uses a mixed method. Basically, this method combines various techniques, philosophy and research design orientation. The collected data will be analyzed by using SWOT analysis followed by compiling an alternative strategy using matrix SWOT for development of tourism transportation accessibility of Pramuka island. Accessibility of tourism transportation of the Pramuka island’s view from and towards to the Pramuka island. By looking at the characteristic of the existing transportation system on the Pramuka island by servicing that can get by the tourists while using it. Based on the results of the SWOT analysis raises alternative strategies of making schedules and travel routes in the Pramuka island, making the safety procedure to every existing transportation. Conducting information to the transportation service providers in the importance of transportation licence and quality of human resources in the transportation scope.
PENGARUH ELECTRONIC WORD OF MOUTH (E-WOM) DI INSTAGRAM TERHADAP DESTINATION IMAGE DI FARMHOUSE SUSU LEMBANG, BANDUNG
Authors: Noviyanti Miftakhul , Puspita Nungky , Firmansyah Riza
Published: August 2019

Following the growth and evolution of the internet, electronic word of mouth have become an important phenomenon. The objective of this research is to analyze how the effect of electronic word of mouth (eWOM) in social media instagram toward destination image. This research applied quantitative approach. The sample of this research is 100 respondent who knew about Farmhouse Susu Lembang instagram account, collected using non-probability sampling. This research used questionnaire as research instrument and analyzed with multiple regression. The result of this research that the dimensions of negative feelings venting, concern for others, social benefits, and advice seeking from eWOM variables have significant influence, and the dimensions of platform assistance, expressing positive feelings, economic incentives, and helping the company from variables electronic word of mouth (eWOM) on Instagram social media has no significant effect on destination image.
Authors: Da Silva Romerito Valeriano , Fernandes Duval Magalhães
Published: August 2019

O retorno de emigrantes internacionais é algo complexo e, por esse motivo, diferentes estudiosos vêm se dedicando ao tema. Apesar disso, as pesquisas a respeito dos retornados brasileiros que viviam em Portugal ainda são escassas. Nesse sentido, o objetivo principal deste trabalho é descrever o perfil e as características do processo migratório dos imigrantes brasileiros retornados de Portugal que se estabeleceram no estado de Rondônia. Para atingir esse objetivo, foram usados dados disponibilizados pelo IBGE, através dos resultados do Censo 2010, que possibilitaram identificar quais são os estados e municípios com maior concentração de emigrantes em relação à população residente, identificando os países de destino. Após selecionar os municípios a serem visitados, desenvolveu-se um protocolo de entrevista estruturada com perguntas que buscavam traçar o perfil dos imigrantes retornados de Portugal. Essas entrevistas foram realizadas em Rondônia em quatro municípios diferentes, nos quais 57 pessoas foram entrevistadas no mês de julho de 2012. A análise dos resultados permitiu confirmar hipóteses apresentadas por diferentes autores da questão migratória sobre a autorregulação dos movimentos migratórios e a importância das redes migratórias. Este trabalho insere-se no âmbito do projeto A Crise e a Migração de Retorno, e é apoiado pelo CNPq.
Authors: Tatagiba Ana Paula
Published: August 2019

A inserção de homens como profissionais responsáveis pelas atividades de cuidado e educação de crianças nas creches públicas cariocas desenhou o cenário para o estudo sobre a vinculação entre território e relações de poder. Considera-se, igualmente, que as instituições educacionais oferecem oportunidades privilegiadas para a constituição das identidades de gênero, conferindo, ainda, destaque para o hegemônico padrão heteronormativo. O arcabouço teórico acerca de “território”, “poder” e “discurso”, fornecido por Michel Foucault, adensa as análises desenvolvidas.
Authors: Cepolini Ferreira Gustavo Henrique
Published: August 2019

Este artigo analisa o currículo de Geografia a partir de alguns elementos previstos no Parâmetro Curricular Nacional (PCN), bem como do currículo de Geografia proposto pela Secretaria de Educação do estado de São Paulo datado de 2008. Busca-se, portanto, refletir sobre as competências e habilidades com o foco na aprendizagem, ou seja, na promoção dos conhecimentos próprios da disciplina articuladamente às competências e habilidades dos alunos. Nesse contexto, as indagações e apontamentos subsidiam algumas ações na formação de professores e coordenadores pedagógicos, frente os desafios de uma Geografia engajada e atuante num mundo marcado por uma fluidez desigual e contraditória sob a égide da globalização.
Language Birth
Authors: Aditiawarman Mac
Published: August 2019

Language birth is a kind of event where a language appear and used by the community. Language birth through long process. Language birth can be formed by mixing of two or more languages. The formation of a new language is usually the result of a mixture of vocabulary. The mixing of the vocabulary will be mastered by one of the languages called the matrix language. The matrix language has a strong position in the new language because the matrix language controls the development of the new language. Merging two or more languages takes considerable time until the language becomes a new permanent language like Tiong Pa language in Padang, West Sumatera, Indonesia.
Endothelial Activation Markers as Disease Activity and Damage Measures in Juvenile Dermatomyositis
Authors: Kishi Takayuki , Chipman Jonathan , Evereklian Melvina , Nghiem Khanh , Stetler-Stevenson Maryalice , Rick Margaret E. , Centola Michael , Miller Frederick W. , Rider Lisa G.
Published: August 2019

Objective.

Circulating endothelial cells (CEC), von Willebrand factor (vWF) antigen, P-selectin, and thrombomodulin are released from damaged endothelium, while decreases in circulating endothelial progenitor cells (CEPC) have been associated with poor vascular outcomes. We examined these markers in the peripheral blood of patients with juvenile dermatomyositis (JDM) and their correlations with disease assessments.

Methods.

Peripheral blood endothelial cells and biomarkers were assessed in 20 patients with JDM and matched healthy controls. CEC and CEPC were measured by flow cytometry, while vWF antigen and activity, factor VIII, P-selectin, and thrombomodulin were measured in plate-based assays. Disease activity and damage, nailfold capillary density, and brachial artery flow dilation were assessed. Serum cytokines/chemokines were measured by Luminex.

Results.

CEC, vWF antigen, factor VIII, and thrombomodulin, but not vWF activity, CEPC, or P-selectin, were elevated in the peripheral blood of patients with JDM. CEC correlated with pulmonary activity (rs= 0.56). The vWF antigen correlated with Patient’s/Parent’s Global, cutaneous, and extramuscular activity (rs= 0.47–0.54). CEPC negatively correlated with muscle activity and physical function (rs= −0.52 to −0.53). CEPC correlated inversely with endocrine damage. The vWF antigen and activity correlated with interleukin 10 and interferon-gamma inducible protein-10 (rs= 0.64–0.82).

Conclusion.

Markers of endothelial injury are increased in patients with JDM and correlate with extramuscular activity. CEPC correlate inversely with muscle activity, suggesting a functional disturbance in repair mechanisms.
The Relation of Physical Comorbidity and Multimorbidity to Fibromyalgia, Widespread Pain, and Fibromyalgia-related Variables
Authors: Wolfe Frederick , Ablin Jacob , Guymer Emma K. , Littlejohn Geoffrey O. , Rasker Johannes J.
Published: August 2019

Objective.

To investigate the relation of physical (non-psychological) comorbidity and multimorbidity to quantitative measures of fibromyalgia (FM) and musculoskeletal pain.

Methods.

We studied 12,215 patients in a research databank with quantitative measures of FM-related variables (FMV) that included binary determinations of FM and widespread pain (WSP), and constituent variables of FM diagnosis that included the WSP index (WPI), the symptom severity score (SSS), and the polysymptomatic distress scale (PSD). We assessed self-reported comorbid conditions and covariates that included age, sex, body mass index, hypertension, smoking history, and total household income. We used nearest-neighbor matching and regression adjustment treatment effects models to measure the effect of comorbidities on FMV.

Results.

We found a positive association between FMV and the probability of having each comorbid condition. Patients with ≥ 1 comorbidities had PSD, WPI, and SSS increases of 3.0 (95% CI 2.7–3.3), 1.8 (95% CI 1.6–2.0), and 1.2 (95% CI 1.1–1.3) units, respectively, and an increase in FM prevalence from 20.4% to 32.6%. As the number of comorbid conditions present increased from 1 to 4 or more, PSD, WPI, SSS, and FM percent increased stepwise. For patients with ≥ 4 conditions, the predicted prevalence of FM was 55.2%.

Conclusion.

FM and FMV are associated with an increase in the number of comorbidities, and the association can be measured quantitatively. However, the association of WSP and FM may be an effect of definitions of WSP and FM, because comorbidity increases are also present with subsyndromal levels of both conditions.
L’Insoumis
Authors: Rigaud Laurent
Published: August 2019

François Durand a rendez-vous avec Floran Tonpoire, Éducateur Spécialisé Insoumis Anti-Capitaliste. Pour autant, dans sa pratique quotidienne et dans sa conception de l’éducation, ce dernier recrée les rapports de domination qui œuvrent à la bonne marche dudit capitalisme. Sûr de son fait, posant le cadre et les règles, Floran Tonpoire contribue ainsi à mettre en place une organisation qui flirte dès lors avec un doux totalitarisme.
Two Parameter Logistics Model with Lognormal Response Time for Computer-based Testing
Authors: Wulansari Andhita Dessy , Kumaidi Kumaidi , Hadi Samsul
Published: August 2019

In addition to the information on response pattern/accuracy, Computer-Based Testing (CBT) can also generate information on response time. This research contributes to develop two-parameter logistics model with random variables of response time for CBT power test. Based on that model, the probability of the test taker answering the test questions correctly is influenced by the test taker’s ability, the test question’s discriminating power, the question’s level of difficulty, the delay due to the test question’s factors and response time. The development of this model aims to improve the parameter estimation of the logistics model on Item Response Theory (IRT) which does not consider the response time of the model. This model is simultaneously developed using joint distribution concept, by multiplying the conditional distribution of response accuracy (two-parameter logistics model) by response time with marginal distribution of response time. The marginal distribution chosen in this study is lognormal distribution because it has positive value in the form of positive skewed according to the characteristics of the response time. To prove the model is suitable for power test, is tested using CBT data. The study found that the simultaneous model generated from the multiplication between the two-parameter logistics model integrated with response time and the lognormal response time model is an appropriate model for CBT power test.
Acelerações na interface cavalo-cavaleiro: repercussões para hipoterapia
Authors: Menezes Karla Mendonça , Graup Susane , Farias Marcelo Silveira de , David Ana Cristina de , Mota Carlos Bolli , Copetti Fernando
Published: August 2019

A Hipoterapia tem demonstrado resultados positivos na intervenção de disfunções motoras e neurológicas. Estudos que investigam a eficácia desse método descrevem estratégias como variação das superfícies de deslocamento do cavalo, diferentes posições de montaria e a diversificação de equipamentos de montaria para controlar os impulsos transmitidos do cavalo ao cavaleiro. No entanto, o conhecimento sobre o quanto essas manipulações são capazes de produzir alterações na resposta motora dos pacientes ainda é limitado. O objetivo deste estudo foi analisar as acelerações na interface cavalo-cavaleiro durante diferentes situações utilizadas na hipoterapia. Oito mulheres, com idade média de 25,5±6,12 anos, sem experiência em atividades equestres, foram avaliadas em diferentes situações arranjadas de acordo com a superfície de deslocamento do cavalo, acessório e posição de montaria. Um acelerômetro triaxial, posicionado sobre dois acessórios de montaria (sela e manta), foi utilizado para as avaliações enquanto o cavalo se deslocou ao passo em superfícies de areia e asfalto. Os resultados apontaram acelerações mais altas nas direções anteroposterior, vertical e lateral, respectivamente. As acelerações mostraram-se mais elevadas nas situações em que o cavalo se deslocou na superfície de asfalto, utilizando sela como acessório.
Validação do treinamento on-line para multiplicadores do programa vida ativa melhorando a saúde (VAMOS)
Authors: José Helma Pio Mororó , Konrad Lisandra Maria , Ribeiro Cezar Grontowski , Benedetti Tânia Rosane Bertoldo
Published: August 2019

O objetivo foi validar o treinamento para capacitação de multiplicadores do programa Vida Ativa Melhorando a Saúde. O estudo teve duas etapas, analisadas por dois grupos de especialistas. A etapa 1 avaliou a clareza e pertinência dos objetivos das sessões ao objetivo geral do treinamento e dos conteúdos aos objetivos específicos das sessões. Evidenciou-se alta adequação dos mesmos. A etapa 2 verificou a aplicabilidade do treinamento nos procedimentos instrucionais, interface gráfica e resultados. Os resultados demonstraram alto grau de aplicabilidade. Foram coletadas informações e sugestões dos especialistas objetivando a melhoria do treinamento. Concluiu-se que o treinamento tem potencial para a certificação de profissionais para atuarem como multiplicadores do programa.