bluuebunny/crossref_metadata_2025 huggingface dataset:
Application of a novel Polydopamine@EDTA@Fe3O4 material for efficient simultaneous nitrogen and nickel removal in an immobilized biofilm reactor
Authors: Su Junfeng , Liu Jian , Guo Dongxin
Published: July 2020

High NO3
− and Ni(II) concentrations in mining wastewater pose a risk to public health. In this study, the NO3
− and Ni(II) removal process was performed using a novel PDA@EDTA@Fe3O4 immobilization carrier. The effects of hydraulic retention time (HRT; 6, 8, and 10 h), along with Fe(II) (10, 15, and 20 mg/L) and Ni(II) (10, 20, and 30 mg/L) influent concentrations on the simultaneous removal of NO3
− and Ni(II) were investigated in immobilized biofilm reactors. Results showed that the highest NO3
− removal efficiency (97.78%) and Ni(II) removal efficiency (91.21%) were obtained in the immobilized biofilm reactor with PDA@EDTA@Fe3O4 under the conditions of 10 h HRT, influent Fe(II) concentrations of 20 mg/L and Ni(II) concentrations of 10 mg/L. High-throughput sequencing results confirmed that Cupriavidus sp.CC1 plays a major role in the functioning of the immobilized reactor. This process provides the potential for effective treatment of NO3
− and Ni(II) polluted water.
Modulatory properties of cardiac and quercetin glycosides from Dacryodes edulis seeds during L-NAME-induced vascular perturbation
Authors: Amadi Peter Uchenna , Agomuo Emmanuel Nnabugwu , Adumekwe Chiamaka Winifred
Published: July 2020

Background

Numerous food wastes have been identified to possess potent bioactive compounds used for the treatment of several diseases. Therefore this study evaluated the potentials of cardiac and quercetin glycosides extracted from Dacryodes edulis seeds to reverse vascular and endothelial damage (VAED).

Methods

The glycoside composition of the seeds was extracted using standard methods and characterized by gas chromatography. We then recruited rats with L-NAME-induced VAED based on confirmatory biomarkers cardiac troponin (CnT), cellular adhesion molecule (VCAM-1), lipoprotein associated phospholipase A2 (Lp-PLA2), RAAS, VWF, endothelin, eNOx, and homocysteine. Only rats that showed total alterations of all biomarkers were recruited into the respective experimental groups and treated with either metaprolol succinate (met.su) + losartan or glycoside extracts of D. edulis seeds (NPSG).

Results

Chromatographic isolation of glycosides in the seed showed predominance of artemetin (1.59 mg/100 g), amygdalin (3.68 mg/100 g), digitoxin (19.21 mg/100 g), digoxin (27.23 mg/100 g), avicularin (133.59 mg/100 g), and hyperoside (481.76 mg/100 g). We observed decreased water intake and higher heart beats under vascular damage as the experiment progressed up to the fourth week. The met.su + losartan and H.D NPSG proved effective in restoring troponin, but both doses of NPSG normalized the VCAM-1 and RAAS activities excluding aldosterone and Lp-PLA2. Among the endothelial dysfunction biomarkers, H.D NPSG produced equivalent effects to met.su + losartan towards restoring the eNOx and VWF activities, but showed higher potency in normalizing the endothelin and Hcy levels.

Conclusions

We thus propose that the synergistic effect of the isolated glycosides from D. edulis shown in our study proved potent enough at high doses in treatment of vascular and endothelial dysfunction.
On characteristic behavior and flattened chromatic dispersion properties of bent photonic crystal fibers
Authors: Seraji Faramarz E. , Anzabi Leila Chehreghani
Published: July 2020

In this paper by using modified scalar effective index method, first effective refractive index of straight and bent photonic crystal fibers are determined and then propagation parameters, such as chromatic dispersions for different structural designs of PCF, are obtained. By changing the values of affecting parameters in the bent PCF, such as different bent radius, distance between air holes

Λ

$\Lambda $

and air-filling factor

d
/
Λ
,

$d/\Lambda ,$

the chromatic dispersion is determined in terms of propagating wavelengths. The obtained results of bent PCF are compared with the results of straight PCF. The results of the present paper might be useful in designing optical devices and sensing systems.
Collective Violence and Politics in Argentina
Authors: Gamallo Leandro
Published: July 2020

The transition and consolidation of the democratic regime in Argentina banished violence as a means of gaining access to state power. However, the frequent appearance of violent protests (“outbursts,” riots, looting or “puebladas,” among others) interrogates the persistence of violent collective actions and their relations with the dynamics of institutional policy in the current democratic framework. To what extent do these facts form part of the new repertoires of action, as several authors maintain? Are they actions that are an instrument of politics, or are they the expression of a radical opposition to the system? On the other hand, the emergence of a multiple and a fragmented form of violence go hand in hand with the emergence of illegalities of various kinds: the expansion of informal and illegal economies (the trade in drugs, weapons and people, among the main ones). The proven complicity of the state institutions in these processes also questions the relationship between politics and violence, although in a different register. Is it an institutional “flaw” or a new form of government? To what extent does such violence represent strategies of political accumulation?
Introduction: The Global Riot
Authors: Brighenti Maura , Cavallero Lucía , Cuppini Niccolò , Stark Alejo
Published: July 2020

The past few years have seen a number of “riots” – in Mexico City, Hong Kong, Chile, Ecuador, the United States, Argentina, France, the United Kingdom, and elsewhere. What do they have in common with one another and with other popular upheavals in history? How do they differ? What do they represent as sites of protest, resistance and rebellion? This forum explores the meaning of such riots through the meaning of the term itself, focusing mainly but not exclusively on the Global South, in theory and in the words and actions of rioters and the authorities who act to suppress them. If it is true the world has entered a “new age of riots,” citizens and scholars must begin to reach some conceptual clarity of what a global riot is, and seeks to become.
Micronutrients status of mango (Mangifera indica) orchards in Multan region, Punjab, Pakistan, and relationship with soil properties
Authors: Ahmed Niaz , Umer Ayta , Ali Muhammad Arif , Iqbal Javed , Mubashir Muhammad , Grewal Abdul Ghaffar , Butt Beenish , Rasheed Muhammad Khalid , Chaudhry Usman Khalid
Published: July 2020

Mango orchards in Pakistan are deficient in soil micronutrients. Multan is one of the prime regions for mango production in Pakistan; therefore, this study was conducted to evaluate the micronutrient status of mango orchards in the Multan region. Soil samples from four different depths (0–30, 30–60, 60–90, and 90–120 cm) and leaf samples were collected from thirteen different locations of Multan. Depth-wise variations in the micronutrient status and the levels of pH, EC, CEC, SOM, and CaCO3 were determined. All data collected from the field and laboratory work of mango orchards under study were analyzed statistically by applying the RCBD design. It was observed that pH and ECe of soil under study were significantly higher in upper depths when compared with lower depths whereas CaCO3 content was contrary to pH and EC as it was observed to be higher from the lower depth of the soil. Moreover, mango leaves from the majority of locations were deficient in total micronutrients due to poorly available micronutrients status of the soil. Thus, there is a serious need to improve the chemical properties of the soil, and the proper dose of micronutrients should be applied every season for sufficient supply throughout the growing cycle of mango in and around the Multan region.
Macrokinetic investigation of the interaction mechanism of the pyrophoric iron nanopowder compacts with air
Authors: Alymov Michail I. , Seplyarskii Boris S. , Rubtsov Nickolai M. , Vadchenko Sergey G. , Kochetkov Roman А. , Abzalov Nayil I. , Kovalyov Ivan D.
Published: July 2020

It is shown that self-heating of a compacted sample made of nonpassivated iron nanopowder is not uniform, although it begins simultaneously within the entire surface of the sample. It is found that the maximum temperature of self-heating decreases with an increase in relative density of samples, which indicates that the oxidation process is limited by the diffusion supply of oxidant. It is shown that the process of interaction of samples with the air occurs in a superficial mode. A qualitative agreement of the results of the theoretical analysis with experimental data is obtained. The possibility of passivation of compacted samples made of iron nanopowder is experimentally established.
Synthetic models of hydrogenases based on framework structures containing coordinating P, N-atoms as hydrogen energy electrocatalysts – from molecules to materials
Authors: Budnikova Yulia H. , Khrizanforova Vera V.
Published: July 2020

Nowadays, hydrogen has become not only an extremely important chemical product but also a promising clean energy carrier for replacing fossil fuels. Production of molecular H2 through electrochemical hydrogen evolution reactions is crucial for the development of clean-energy technologies. The development of economically viable and efficient H2 production/oxidation catalysts is a key step in the creation of H2-based renewable energy infrastructure. Intrinsic limitations of both natural enzymes and synthetic materials have led researchers to explore enzyme-induced catalysts to realize a high current density at a low overpotential. In recent times, highly active widespread numerous electrocatalysts, both homogeneous or heterogeneous (immobilized on the electrode), such as transition metal complexes, heteroatom- or metal-doped nanocarbons, metal-organic frameworks, and other metal derivatives (calix [4] resorcinols, pectates, etc.), which are, to one extent or another, structural or functional analogs of hydrogenases, have been extensively studied as alternatives for Pt-based catalysts, demonstrating prospects for the development of a “hydrogen economy”. This mini-review generalizes some achievements in the field of development of new electrocatalysts for H2 production/oxidation and their application for fuel cells, mainly focuses on the consideration of the catalytic activity of M[P2N2]2
2+ (M = Ni, Fe) complexes and other nickel structures which have been recently obtained.
Competitive ways for three-component cyclization of polyfluoroalkyl-3-oxo esters, methyl ketones and amino alcohols
Authors: Saloutin Victor I. , Goryaeva Marina V. , Kushch Svetlana O. , Khudina Olga G. , Ezhikova Marina A. , Kodess Mikhail I. , Slepukhin Pavel A. , Burgart Yanina V.
Published: July 2020

The competitive routes were found for three-component cyclization of polyfluoroalkyl-3-oxo esters, methyl ketones with 3-amino alcohols. It was shown that the reactions with 3-aminopropanol in 1,4-dioxane predominantly lead to hexahydropyrido[2,1-b][1,3]oxazin-6-ones, and in ethanol to 3-hydroxypropylaminocyclohexenones. In contrast, cyclizations with 2-aminoethanol and its analogues, regardless of the reaction conditions, yield hexahydrooxazolo[3,2-a]pyridin-5-ones as the main products. The trans- and cis-diastereomeric structure of heterocycles was established using X-ray and 1H, 19F, 13C NMR spectroscopy, 2D 1H-13C HSQC and HMBC experiments. The mechanism is proposed for competitive transformations of polyfluoroalkyl-3-oxo esters, methyl ketones with 3-amino alcohols.
Redox-conducting polymers based on metal-salen complexes for energy storage applications
Authors: Chepurnaya Irina A. , Karushev Mikhail P. , Alekseeva Elena V. , Lukyanov Daniil A. , Levin Oleg V.
Published: July 2020

Metal-salen polymers are electrochemically active metallopolymers functionalized with multiple redox centers, with a potential for high performance in various fields such as heterogeneous catalysis, chemical sensors, energy conversion, saving, and storage. In light of the growing world demand for the development of superior energy storage systems, the prospects of employing these polymers for advancing the performance of supercapacitors and lithium-ion batteries are particularly interesting. This article provides a general overview of the results of investigating key structure-property relationships of metal-salen polymers and using them to design polymer-modified electrodes with improved energy storage characteristics. The results of independent and collaborative studies conducted by the members of two research groups currently affiliated to the Saint–Petersburg State University and the Ioffe Institute, respectively, along with the related data from other studies are presented in this review.
Soft chemistry of pure silver as unique plasmonic metal of the Periodic Table of Elements
Authors: Semenova Anna A. , Veselova Irina A. , Brazhe Nadezhda A. , Shevelkov Andrei V. , Goodilin Eugene A.
Published: July 2020

The International Year of The Periodic Table of Chemical Elements revealed that the Table remains both a deeply fundamental paradigm for various branches of chemistry and a universal practical tool for predictable design of new materials. Silver is a notable “nanoelement” particularly known by its plasmonic properties. A key advantage of this metal is an easily achievable morphological variety of nanostructured materials. This element represents a research branch of precise engineering of shapes and sizes of nanoparticle ensembles and smart hierarchic nanostructures. In the review, unique features of silver are discussed with respect to the development of novel analytical methods for forthcoming applications of surface-enhanced Raman spectroscopy (SERS) in ecology, biology and medicine.
The heuristic model of energy propagation in free space, based on the detection of a current induced in a conductor inside a continuously covered conducting enclosure by an external radio frequency source
Authors: Piyadasa Chithra Kirthi Gamini , Annakkage Udaya , Gole Aniruddha , Rajapakse Athula , Premaratne Upeka
Published: July 2020

The objective of this study is to propose a heuristic model of energy propagation due to an anomaly; electromagnetic (EM) field penetration into a continuously covered conducting enclosure (Faraday shield) from an external radio frequency source, violating the accepted model in the EM field theory. In this study, at an arbitrarily selected frequency, range of 26.965–1,800 MHz, of an external frequency source, an EM field inside the conducting enclosure was observed, contrary to expectations, which was followed by a systematic examination. Although no induced voltage could be expected inside the enclosure according to the classical theory, the experiment revealed a clear induced voltage inside, an attenuated induced voltage of −18.0 to −1.0 dB (for the range of frequencies 26.965–1,800 MHz) was observed. Hence, these results apparently contradict the established notion that an EM field cannot penetrate a Faraday shield. Rationalizing these observations and the results of the investigation leads to an alternative model to the existing models of energy propagation in free space. In this model, novel quantities named “I-Spin-energy” and “I-Spin-energy field” are defined to replace the concept of electric and magnetic fields in the classical EM theory. The proposed I-Spin-energy model is capable of explaining the unexpected presence of the EM field inside the Faraday shield as well as the induction of an alternating current in a conductor placed inside a Faraday shield along with other existing observations in physics such as those in famous Young’s double-slit experiment on interference of light, which provided the basis for the wave theory.
Production of Cf-252 and other transplutonium isotopes at Oak Ridge National Laboratory
Authors: Robinson Sharon M. , Benker Dennis E. , Collins Emory D. , Ezold Julie G. , Garrison Jon R. , Hogle Susan L.
Published: July 2020

In 1957 Glenn T. Seaborg conceived and advocated for the construction of the High Flux Isotope Reactor (HFIR) and the Transuranium Processing Plant (since then renamed the Radiochemical Engineering Development Center, or REDC) at Oak Ridge National Laboratory. Heavily shielded hot cells, glove boxes, and laboratories allow recovery of transuranium elements produced in substantial quantities. Seaborg’s vision of HFIR and REDC producing milligram quantities of berkelium, californium, and einsteinium has been fulfilled beginning in 1966 through May 2019 with 78 production campaigns yielding a cumulative totals of 1.2 g of 249Bk, 10.2 g of 252Cf, 39 mg of 253Es, and 15 pg of 257Fm. Notably, 252Cf is a neutron source used in many industrial applications including oil exploration; process control systems for the cement industry, coal analysis, and power production; sources to start nuclear reactors and perform nondestructive materials analyses; homeland security and national defense detection devices; and medical research. Isotopes made available through transplutonium production at HFIR/REDC have enabled scientists to study the nuclear properties and reactions, chemical properties, optical properties, and solid-state properties of transplutonium elements. Long-lived isotopes have served as targets in heavy ion accelerators to produce heavier elements leading to the discovery of 104Rf, 105Db, 106Sg, 113Nh, 114Fl, 115Mc, 116Lv, 117Ts, and 118Og. This paper reviews the evolution of the processing flowsheets to produce, separate, and purify transplutonium isotopes, which have evolved over 50 years of operation at HFIR and REDC, and summarizes directions of future work to improve the efficiency of the production operations.
Direct extraction of uranium from yellow cake and ore matrices using supercritical carbon dioxide
Authors: Prabhat Parimal , Rao Ankita , Mishra Vivekchandra G. , Shah Dipti J. , Kumar Pradeep , Tomar Bhupinder S.
Published: July 2020

The study demonstrates the accomplishment of single step, direct supercritical fluid carbon dioxide (SC CO2) dissolution and extraction of uranium from crude matrices viz. yellow cakes (>90%) and rock phosphate ores (70%) employing adducts of trialkyl phosphates and nitric acid, thus avoiding free acid usage and eliminating number of process steps. Rock phosphate ore was made amenable for supercritical fluid extraction (SFE) system by unique strategy of pyrohydrolytic removal of fluorine. Pressure and temperature conditions, which were found to influence uranium extraction efficiency, were optimized at 150 atm. and 323 K. Two milliliter of adduct amount was found to be adequate. Adducts of branched alkyl phosphate, tri-isoamyl phosphate and tri-ethyl hexyl phosphate (TEHP), yield better purity in comparision to straight chain tri-butyl phosphate (TBP).
Effects of Elliptical Hole on the Correlation of Natural Frequency with Buckling Load of Basalt Laminates Composite Plates
Authors: Chhorn Buntheng , Jung WooYoung
Published: July 2020

Recently, basalt fiber reinforced polymer (BFRP) is acknowledged as an outstanding material for the strengthening of existing concrete structure, especially it was being used in marine vehicles, aerospace, automotive and nuclear engineering. Most of the structures were subjected to severe dynamic loading during their service life that may induce vibration of the structures. However, free vibration studied on the basalt laminates composite plates with elliptical cut-out and correlation of natural frequency with buckling load has been very limited. Therefore, effects of the elliptical hole on the natural frequency of basalt/epoxy composite plates was performed in this study. Effects of stacking sequence (θ), elliptical hole inclination (ϕ), hole geometric ratio (a/b) and position of the elliptical hole were considered. The numerical modeling of free vibration analysis was based on the mechanical properties of BFRP obtained from the experiment. The natural frequencies as well as mode shapes of basalt laminates composite plates were numerically determined using the commercial program software (ABAQUS). Then, the determination of correlation of natural frequencies with buckling load was carried out. Results showed that elliptical hole inclination and fiber orientation angle induced the inverse proportion between natural frequency and buckling load.
The role of the threshold effect for the dynamics of futures and spot prices of energy commodities
Authors: Rubaszek Michal , Karolak Zuzanna , Kwas Marek , Uddin Gazi Salah
Published: July 2020

This study examines whether threshold models allow to better understand the dynamic relationship between spot and futures prices for crude oil and natural gas. Our findings are threefold. First, we show that the futures curve delivers relatively accurate forecasts for energy commodity prices. Second, we provide evidence that the relationship between spot and futures prices is regime dependent but accounting for this property does not improve the quality of out-of-sample forecasts. Third, we demonstrate that using information on the dynamics of financial variables (exchange rates, stock and uncertainty indices, interest rates or industrial and precious metal prices) does not contribute to the quality of futures-based forecasts. This suggests that the predictive content of these variables is already contained in futures prices.
Evaluation of E2F3 and survivin expression in peripheral blood as potential diagnostic markers of prostate cancer
Authors: Wadaa Allah Ahmed M. , Abdel Hamid Fatma F. , Soliman Ahmed F. , Ibrahim Noha , Malash Ibrahim , Abdelgawad Iman A.
Published: July 2020

Background

Prostate cancer (PC) incidence has risen globally. As there are no current independent biomarkers with high diagnostic efficiency to detect PC, this study was performed to investigate the relative gene expression levels of E2F3 and survivin in the whole blood of PC, benign prostate hyperplasia (BPH), and normal control individuals and to explore their diagnostic value.

Material and methods

Participants of the study were divided into three groups; normal control group (n=25), BPH patients (n=25), and PC patients (n=75). The E2F3 and survivin gene expression levels were assessed using real-time qPCR in addition to the measurement of free and total levels of prostate-specific antigen (PSA) using electrochemiluminescence assays.

Results

Survivin relative gene expression was over-expressed in PC and BPH patients compared to the normal control group, whereas, E2F3 did not differ significantly among the studied groups. Compared to PSA, E2F3 and survivin mRNA expression levels had lower diagnostic efficacy to differentiate PC from normal and BPH individuals with an area under curve (AUC) of 0.471 and 0.727, respectively. Further, survivin expression level was associated with increased the risk of PC.

Conclusion

Survivin and E2F3 relative expression levels in peripheral blood had low diagnostic performance to detect PC and individuals with high survivin expression levels may have higher risk to develop PC.
Determination of vitamin 25-hydroxyvitamin D deficiency and insufficiency cut-off values in children
Authors: Şahin Kamil , Elevli Murat , Avcı Rıdvan , Coskun Cihan , Kiremitçi Yılmaz Seniha , Koldaş Macit
Published: July 2020

Objectives

There is no consensus on the lower and upper limits of 25-hydroxyvitamin D (25-OHD) deficiency and insufficiency. We determined the (25-OHD) deficiency and insufficiency cut-off values in children.

Methods

The study examined 422 children aged 0–18 years old whose simultaneous parathormone (PTH) and (25-OHD) levels were measured at the paediatric outpatient clinics of our tertiary research hospital in Istanbul from January 1, 2014 to December 31, 2017. Those without chronic diseases were included in this cross-sectional retrospective study.

Results

We found that the average serum (25-OHD) level was lower in girls. There were negative correlations between (25-OHD) and PTH and age. The level that decreased PTH below the upper level was 14.42 ng/mL and the 25(OH)D level that decreased it to the lowest limit was 26.61 ng/mL. The (25-OHD) level that caused maximum suppression of PTH was 22.5 ng/mL.

Conclusions

The vitamin (25-OHD) deficiency (lowest value) and insufficiency (range) cut-off should be 14–23 ng/mL for children living in Istanbul. By age subgroup, the vitamin (25-OHD) deficiency and insufficiency cut-off values are 21–31, 15–21 and 13–18 ng/mL for those 0–2, 3–6 and 7–18 years, respectively.
The

Digital Syriac Corpus: A Digital Repository for Syriac Texts
Authors: Walters James E.
Published: July 2020

The Digital Syriac Corpus was launched publicly in May 2018. The goal of the corpus is to provide a venue for publishing digitized editions of Syriac texts. All of the texts in the Digital Syriac Corpus are open-access (CC BY 4.0) and freely available for anyone to use. The Digital Syriac Corpus includes texts that have been transcribed from print sources as well as manuscripts, and it also includes newly produced digital editions. The search feature, including advanced searching options, provides users the opportunity to analyze a large database of Syriac texts in ways that have never before been possible. It is hoped that as the project continues to develop, scholars and readers of Syriac texts will find new ways to use and analyze the data the Digital Syriac Corpus has collected and published. As an open-access digital repository, the Digital Syriac Corpus can also serve as a tool for the preservation of the Syriac language, not only for scholars who study the Syriac tradition, but also for the heritage communities who have preserved Syriac as a literary, liturgical, and spoken language for centuries.
Zur symbolischen Geltungsweise sozialer Praxis
Authors: Corsten Michael
Published: July 2020

Ausgehend von der Aktualität des ‚practical turns‘ in der soziologischen Diskussion fragt der Beitrag nach der Bestimmung von Praxis als symbolischer Praxis. Dazu werden erstens anhand der Sozialtheorien von Mannheim und Searle drei übereinstimmende Grundannahmen sondiert und als Kern einer Theorie der symbolischen Praxis herausgearbeitet. Mit Aussagen aus der Theorie symbolischer Praxis Bourdieus werden zweitens in Bezug auf die drei Grundannahmen sowohl Konvergenzen aufgezeigt als auch strukturtheoretischer Ergänzungsbedarf reklamiert. Demgegenüber zeigt Davidsons Bedeutungstheorie Prämissen, die sich in sozial- und prozesstheoretischer Hinsicht deutlich von Mannheim und Searle sowie von Bourdieu abheben. Vergleichend werden die drei rekonstruierten Ansätze als divergente Abzweigungsmöglichkeiten einer Theorie symbolischer Praxis ausgewiesen. Gleichwohl wird abschließend für eine Behebung der Unverträglichkeiten der Ansätze und insbesondere für eine Integration sowohl der strukturtheoretischen Ansprüche Bourdieus als auch des prozesstheoretischen Anliegens Davidsons plädiert, indem auf Problemstellungen innerhalb einer Theorie symbolischer Praxis hingewiesen wird, für deren Klärung sie fruchtbar gemacht werden könnten.
The Empty Space and Creative-Relational Inquiry
Authors: Jones Stacy Holman
Published: July 2020

This essay sketches the possibilities for creative-relational inquiry through the lens of theatre and performance, particularly the writings of Peter Brook and Tim Etchells on “the empty space” and through affect theory and nonrepresentational writing, particularly the work of Kathleen Stewart, Ken Gale, and Jonathan Wyatt.
Beyond Race Scholarship as Groundbreaking/Irrelevant
Authors: Hanchey Jenna N.
Published: July 2020

This introduction situates the 2019 National Communication Association Organizational Communication Division's Top Paper Panel walkout within a larger subdisciplinary history of erasing scholarship on racism, colonialism, as well as queer and trans* studies. I describe how such scholarship is labeled either groundbreaking or irrelevant—thereby relegating it to outside of the typical or expected domain of organizational communication.
Time to #ToneUpOrgComm
Authors: Harris Kate Lockwood
Published: July 2020

Organizational communication should tone up, that is, refuse white fragility's demands to slow the pace of change.
MAP Cartographies of Forgotten and Ruptured Relations
Authors: de la Garza Sarah Amira
Published: July 2020

This essay introduces a methodological praxis for those seeking a radically ecological approach to excavate relational narratives, experiences, and subjectivities that have been miniaturized through history and habituated practices. Through the progressive use of a MAP methodology (Movement, Art, and Poiesis) that seeks to question the body through movement, artistic expression, and invitation of poiesis, practitioners are encouraged to seek a form of catharsis that promises not release, but social change. The resulting cartographies are verbal representations for approaching an ecological level of understanding of broken, disrupted, and otherwise hegemonically damaged histories of relations.
Writing in Immanence
Authors: Gale Ken
Published: July 2020

The writing in this essay confronts and is troubled by writing. In the ensuing encounters with writing selves and writing as doing as “creative-relationally more-than [simply] human”1 practice, a sense of writing as immanent and in immanence is emergent in the always becoming of the essay as event. In the capaciousness of this practice, onto-methodo-genetic approaches are used to set up dis-allowances of the stable and tendentious fixities of ontology and methodology, in turn making movements away from simply human being toward always animal-becoming.
The Invention of “Noncitizen American Nationality” and the Meanings of Colonial Subjecthood in the United States
Authors: Schlimgen Veta
Published: July 2020

This article contributes to histories of formal American imperialism by telling the stories of Filipinas/os and Puerto Ricans who, after 1899, became “noncitizen American nationals.” Drawing on congressional, legal, and administrative sources, the article argues that noncitizen nationality was colonial subjecthood, a status invented to prevent island peoples from becoming U.S. citizens. Filipinas/os and Puerto Ricans were not the first U.S. colonial subjects, and this article shows how the similar status of “ward” had recently come to define the relationship between the U.S. and Native Americans. The article closes with an examination of some of the rights, liberties, opportunities, and obligations that gave substance and meaning to American colonial subjecthood in the early twentieth century.
The Idea of Customary Law Community Representation in the Regional Representative Council
Authors: Joesoef Iwan Erar
Published: July 2020

The Customary Law Community (Masyarakat Hukum Adat, MHA) as part of the Customary Law System is recognized for its existence and its implementation in the National Land Law (Hukum Tanah Nasional, HTN). In the Explanation of the Basic Agrarian Law (UUPA) it is stated that the function of Customary Law as the main source in the development of HTN, although such recognition is accompanied by conditions as long as in reality they still exist and in accordance with national and state interests. This paper analyses and examines the problems of MHA in the concept of regional representative council. The problem on this paper come up from various problems concerning to ulayat land and its conflict between indigenous people and government. The research emphasized that  the main problem is the inequality of perception between the Executive, Judiciary and Legislative institutions in the consistency of compensation payments resulting in the re-claim of Tanah Ulayat (Adat), there is no basis for a multi-dimensional approach (anthropology, sociology and others besides the juridical approach). This means that the formal juridical approach alone does not achieve effective results. The question is whether the constitutional MHA can have representation in the Regional Representative Council (DPD) and what forms of democracy are appropriate and can channel the aspirations of the MHA.
Alfonso Reyes y José Ortega y Gasset: una amistad reacia, un largo malentendido
Authors: Granados Valdéz Juan
Published: July 2020

La influencia de José Ortega y Gasset en el pensamiento mexicano ha sido estudiada con detalle, pero no así la relación que guardó con el insigne literato y diplomático mexicano, don Alfonso Reyes. En este artículo se muestra, desde la perspectiva del pensador regiomontano, esa reacia amistad o ese largo malentendido que se dio entre él y el filósofo español. En el texto se da cuenta minuciosamente de la presencia de Ortega y Gasset en México, gracias a la ayuda de Reyes. Esta relación no solo se detiene en las influencias intelectuales, sino que va hasta el encuentro personal, en donde se identifica la circunstancia que hace a cada uno.
Función disciplinaria del Autorregulador del Mercado de Valores en Colombia
Authors: Quiñónez Avendaño Camilo E.
Published: July 2020

El Autorregulador del Mercado de Valores - AMV en Colombia cumple una función disciplinaria que tiene un marco normativo especializado, cuya aplicación busca generar confianza en el mercado y prevenir el riesgo sistémico. En desarrollo de esta función no surge un mecanismo de protección patrimonial a los inversionistas, en tanto no está diseñada para proteger derechos patrimoniales sino para generar confianza en el mercado y para que los intermediarios de valores administren el riesgo reputacional.
Investigación de la violencia sexual contra hombres (Balance teórico)
Authors: López Gómez Daniela
Published: July 2020

En este artículo se presenta un balance teórico sobre los trabajos que se han realizado a propósito de la violencia sexual contra los hombres, y su objetivo principal es visibilizar los trabajos que hay sobre este tema e impulsar la investigación de este tipo de violencia en Colombia. El balance hace parte de una investigación más extensa sobre violencia sexual contra hombres en el marco del conflicto armado colombiano, y se realizó a partir de aproximadamente 150 trabajos, entre libros y artículos. Ahora bien, esta investigación muestra tres temas fundamentales desde los cuales se ha estudiado la violencia sexual contra los hombres: 1. La violencia sexual y organismos internacionales. 2. Aspectos conceptuales y teóricos sobre este tipo de violencia. 3. Rutas y vías para visibilizar y tratar esta problemática, temáticas que sin duda alguna son importantes para la comprensión del tema.
The Convergent Atrial Fibrillation Ablation Procedure: Evolution of a Multidisciplinary Approach to Atrial Fibrillation Management
Authors: Wats Karan ,   Maimonides Medical Center, Brooklyn, New York, NY, US, Kiser Andy ,   St Clair Cardiovascular Surgical Associates, Pittsburgh, PA, US, Makati Kevin ,   Tampa Cardiac Specialists, Lutz, FL, US, Sood Nitesh ,   Southcoast Health, Fall River, MA, US, DeLurgio David ,   Emory Saint Joseph’s Hospital, Atlanta, GA, US, Greenberg Yisachar ,   Maimonides Medical Center, Brooklyn, New York, NY, US, Yang Felix ,   Maimonides Medical Center, Brooklyn, New York, NY, US
Published: July 2020

The treatment of AF has evolved over the past decade with increasing use of catheter ablation in patients refractory to medical therapy. While pulmonary vein isolation using endocardial catheter ablation has been successful in paroxysmal AF, the results have been more controversial in patients with long-standing persistent AF where extrapulmonary venous foci are increasingly recognised in the initiation and maintenance of AF. Hybrid ablation is the integration of minimally invasive epicardial ablation with endocardial catheter ablation, and has been increasingly used in this population with better results. The aim of this article was to analyse and discuss the evidence for the integration of catheter and minimally invasive surgical approaches to treat AF with specific focus on convergent ablation and exclusion of the left atrial appendage using a surgically applied clip.
Un géant bizarre
Authors: Gumbrecht Hans Ulrich
Published: July 2020

Traduit de l'allemand par Joris Lehnert.
Entre „Locarno“ et „splendid isolation“
Authors: Kuhn Franz
Published: July 2020

Le rugby ne joue pas le même rôle dans les sociétés allemande et française. Alors qu’en France les stades sont très fréquentés et que le Top 14 fait parti des meilleurs championnats au monde, le rugby en Allemagne reste un sport marginal et ne suscite pas l’intérêt du grand public. Malgré une évolution tout à fait opposée, l’Allemagne et la France partagent une histoire commune en matière de rugby : entre 1927 et 1938, les relations rugbystiques étaient intenses. On compte durant cette période 16 matchs internationaux entre les deux sélections, des rencontres qui sont aujourd’hui très majoritairement tombées dans l’oubli en raison de l’importance, moindre, accordée au rugby allemand au niveau international. De même, ces échanges ont rencontré peu d’écho au sein de la recherche académique. Ils sont pourtant le résultat d’une configuration politique et sportive particulière de l’entre-deux-guerres. Encouragées par ‘l’esprit de Locarno’, les relations entre les deux fédérations reprirent en 1926. Les intérêts des fédérations respectives ainsi que les enjeux politiques conduisirent à une intensification de ces relations dans les années 1930. Il en résulta une alliance intéressée qui vit naître en 1934 la Fédération Internationale de Rugby Amateur (FIRA).

La traduction de l'article original sera mise en ligne sous peu.
„¡Hay que destruir el teatro o vivir en el teatro!“ – Performativer Widerspruch als anarchistische Affekt-Strategie in García Lorcas El Público
Authors: Kiendl Valerie
Published: July 2020

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Wittger, Bea. 2017. Squatting in Rio de Janeiro. Constructing Citizenship and Gender from Below. Bielefeld: transcript Verlag
Authors: Schmidt Katharina
Published: July 2020

Rezension
mo|men|tos. Foto|Musik|Textinstallationen, die sich im Raum & auf Papier äußern
Authors: Kiendl Valerie
Published: July 2020

mo|men|tos verbindet Fotografie und Texte, Bilder und Klänge, Momente und Augenblicke. Aktuell äußert sich mo|men|tos in Foto-Lesungen, Broschüren, Plakaten, Installationen und Videoprojekten.
À part entière et entièrement à part ?
Authors: Assibatu Soidiki
Published: July 2020

À propos de:

Cosker, Christophe. 2019. L’invention de Mayotte. Pamandzi : La Route des Indes.

Dupont-Lassalle, Julie, François Hermet & Elise Rasler (Dir). 2019. La départementalisation de Mayotte : un premier bilan juridique et économique. Paris : L’Harmattan.

Idriss, Mamaye. 2018. Le combat pour Mayotte française (1958-1976). Paris : Karthala.
Arquitectura de información como un proceso para organizar sitios web usables e intuitivos: El caso del Centro Centroamericano de Población (CCP)
Authors: Rodríguez Valerio Daniela María , Vargas Zúñiga Johnny Alberto , González Pérez Esteban
Published: July 2020

El artículo expone cómo se desarrolló un proceso de arquitectura de información para el sitio Web del Centro Centroamericano de Población (CCP) de la Universidad de Costa Rica (UCR), como parte de un estudio dentro del campo de la Bibliotecología. Explica, ampliamente, cómo se realizó el análisis del sitio, la identificación de los requerimientos, la estructura y los sistemas de etiquetado y navegación requeridos por el CCP para mejorar su sitio Web. Durante este proceso se diseñaron, también, todas las visualizaciones (wireframes) de las páginas que conforman la versión de escritorio de este sitio, además, se elaboraron visualizaciones para la versión responsive requerida por los dispositivos móviles. Se concluye que la arquitectura de información es un proceso que demanda de planificación y análisis del problema a tratar, al mismo tiempo, es un campo laboral importante para profesionales en Bibliotecología con interés en incorporar la tecnología a su práctica profesional.
Metanogénesis microbiana en animales poligástricos
Authors: Bonilla-Sandí Daniel Javier , Noboa-Jiménez Lucía , Portuguez-Molina Victoria , Quinto-Ureña Fernando , Rojas-Gutiérrez Joel José
Published: July 2020

La metanogénesis ruminal consiste en reacciones que sintetizan metano a partir de moléculas orgánicas y son realizadas por arqueas metanogénicas en el rumen.  La metanogénesis microbiana en animales rumiantes trae consigo grandes repercusiones tanto en el metabolismo y productividad comercial de los mismos como en la estabilidad del medio ambiente en general. Uno de los principales factores que pueden afectar es la dieta del rumiante, así como su edad y la especie. Las estrategias de mitigación están orientadas a la disminución de la producción de gases de efecto invernadero (GEI) o el aumento de los mecanismos de captura de compuestos formadores de GEI. Pueden clasificarse en tres categorías: manipulación alimentaria y dietética, manipulación animal y manipulación microbiana. Estas influyen en la alteración del ecosistema ruminal y la tasa de metanogénesis. La cuantificación del metano producido por rumiantes permite orientar la erradicación de factores que favorecen la metanogénesis.
Evaluation of the sperm separability of blanc-blue-belge bull by swim-up method and in vitro embryo production with hybrid Zebu bovine oocyte in Vietnam
Authors: Huu Duc Nguyen , Thu Giang Pham , Binh Nguyen Tran Thi , Dai Phong Bui
Published: July 2020

The objective of this study was to determine the right conditions for the separation of Blanc-Blue-Belge bovine sperm (BBB) by swim-up mothed; determine the maturity of hybrid Zebu bovine eggs; and culture of embryos after in vitro fertilization. After 60-80 minutes of swim-up in CAP-05, BBB bovine sperms were healthy, straight movement and separated with a concentration of 106 sperm/ml. Hybrid Zebu bovine eggs developed and matured in the maturation medium with the basic medium TCM-199 supplemented with 10% calf serum, FSH (0.75 µg / ml), LH (0.15 µg / ml) and Estradiol (2.5 µg / ml), the results showed that the IVM-08 medium had significantly higher maturation rates than IVM-03, the proportion of mature eggs reached 71,11% compared to 51.69%, respectively (P <0.01). In vitro fertilization of hybrid Zebu bovine egg in IVF-08 medium. In vitro fertilized embryos (BBB x hybrid Zebu) developed from bovine sperms separated by the swim-up method achieved a better rate of morula-blastocysts in IVC-09 than IVC-06 medium, 21.68% compared to 8.56%, respectively (P <0.01). The conclusion was that the suitable conditions for BBB bovine sperm separation and in vitro embryo production (BBB x hybrid Zebu) were determined. This is the premise to create bovine semen, BBB bovine embryos with defined gender.
Using ITS-rDNA and matK gene nucleotide sequences for identification ginseng species in Panax in Phu Xai Lai Leng, Ky Son, Nghe An
Authors: Dinh Duy Vu , Viet Thanh Tran Thi , Ke Loc Phan , Minh Tam Nguyen , Thanh Huong Nguyen Thi , Hien Nguyen Thi , Ke Long Phan
Published: July 2020

DNA barcoding is a useful tool for species identification using standardized genomic DNA fragments. We used DNA barcodes (ITS-rDNA and matK gene) to explore Panax (32 samples collected from Phu Xai Lai Leng mountain and 19 samples collected from medicinal nursery of TH), and to investigate the phylogenetic taxonomy of Panax. In this study, the PCR success rate for ITS-rDNA and matK region was 100%. The success rate of bidirectional sequencing of PCR product was 100% of ITS-rDNA and matK region with length of 616 bp, 1433 bp, respectively. All 32 samples (Panax TB) of Phu Xai Lai Leng have a close relationship with P. stipuleanatus (MLBS = 99%, BPP = 100%). All 19 samples (Panax TH) of medicinal nursery have a close relationship with P. notoginseng (MLBS = 100%, BPP = 100%). Interspecific genetic distances within and among Panax species was varied from 0.2% to 7.9%, average (4%) (ITS-rDNA gene) and 0.1 to 2.9%, average (1.2%) (matK gene). The genetic relationship of species/gender belonging to the Panax genus showed that they have the same evolutionary origin and discovered that new distributed of P. stipuleanatus in Phu Xai Lai Leng mountain in Vietnam.
Potential anti-tumor activites of extract from fresh leaves of the male papaya (Carica papaya L.) collected in Ha Tinh province
Authors: Phuong Trinh Tran , Bao Linh Phan , Tam Pham Thi
Published: July 2020

Nowadays, the percentage of people with cancer is increasing. There are many methods used to treat cancer such as surgery, chemotherapy, the radiation, etc. In addition, the use of medicinal plants, natural products, is also popularly applied for cancer patients. Using 90% ethanol as the extraction solvent, we produced 4 kinds of concentrated extracts from dried flowers, dried leaves, fresh flowers, fresh leaves of male papaya (Carica papaya Linn). In vitro study, the extracts of dried flowers, fresh flowers did not effect on MCF7, A549, HT 29, Huh 7R, HEK 293 and LLC cancer cell lines. The extracts of dried leaves and fresh leaves presented cytotoxic effects with IC50 values ranging from 1.88 to 13.64 mg/mL. Meanwhile, activities of the extract of fresh leaves was 4-6 times stronger than that of the extract of dried leaves's. Based on evaluation of the IL2 and IL6 production capability of macrophage, we found that the extract of fresh leaves strongly inhibited the IL-6 production at 4 mg/mL (50.56%) and 0.8 mg/mL (23.79%) in comparison with the negative control (P<0.05) while it did not show the ability to induce IL-2 in the same studied concentrations. Using tumor bearing mice as model for studying the antitumor activities of extract of fresh leaves at the dose of 3 mL/kg/day and 6 mL/kg/day, we identified the positive effects of the higher dose treatment. The results showed that the extract of fresh leaves at the dose of 6 mL/kg/day could inhibit 33.44% the tumors’ sizes on day 28 (P<0.05); tumor's weigh decreased to 9.84 against 13.76 g of the negative control; the WBC parameter reduced from 41.65x106/mL to 19.1x106/mL (P<0.05), AST decreased from 1441.6 U/L to 1038.97 U/L (P<0.01), and creatinin decreased from 26.37 µmol/L to 20.63 µmol/L compared with the negative control group (P<0.05). These promising results are the scientific evidences for applying this extract in cancer treatment in the future.
Cellobiose-dehydrogenase production by some fungal species isolated in rain forests of Northern Vietnam
Authors: Dinh Giap Vu , My Hiep Thai Thi , Huu Nghi Do
Published: July 2020

Fungal enzymes are well-known as effective in hydrolyze lignocellulose-rich materials. This decomposition process requires many enzymes to participate in a coordinated factor to hydrolyze the polymer structure. Among them, there are some of popular oxidized enzymes such as lignin peroxidase, mangan peroxidase and laccase. Cellobiose dehydrogenase (CDH) is an extracellular enzyme found in various fungi, it was first discovered in 1974 by Westermark in white rot fungus Trametes verscolor and Phanerochaete chrysosporium. The biological role of CDH has been proven to participate in the decomposition of natural polymers such as cellulose, hemicellulose and lignin by generating hydroxyl radical through Fenton reaction. CDH has unique biochemical and catalytic properties that have been used in biosensors to detect cellodextrin, maltose, lactose and diphenol compounds or in biomedical applications such as lactobionic acid production. Therefore, CDH is an important component of the extracellular enzyme system for lignocellulose decomposition.  In this study, 47 fungal strains isolated from rainforests of Cuc Phuong and Muong Phang National Parks and screened for CDH activity. Of which, 33 active fungi exhibited CDH activity from 8.89 to 74.4 U/L during growth on solid medium with rice straw as raw substrate. The highest enzyme production was identified for Coprinellus aureogranulatus (MPG14) reach 77.4 U/L on basic medium and its CDH activity of up to 237.4 U/L under optimal condition: supplemented with carbon source of α- cellulose (20 g/L), nitrogen source (5 g/L peptone) incubated for 12 days at 30℃, pH 5.5 and 200 rpm after inoculation.     Thus, the fungus has the potential to exploit the CDH enzyme applied in the pretreatment of lignocellulose-rich materials.