bluuebunny/crossref_metadata_2025_split huggingface dataset:
Sonidos patrimoniables: prácticas artísticas en los lavaderos comunitarios del barrio El Paraiso, Bogotá
Authors: Fracasso Liliana , Cabanzo Francisco , Díaz Matajira Jorge Mario 
Published: October 2019

Frente a la transparencia del “todo es lo mismo”, que hace desaparecer la otredad bajo la luz de lo idéntico, la imágen tal vez no sea la manera más eficaz para tratar los valores patrimoniales de un territorio. En el imáginario de las personas y en la literatura oficial acerca de la ciudad contemporánea, el hábitat popular se ofrece siempre igual a sí mismo: “anomalía” generada por la informalidad urbana y económica. En realidad, el hábitat popular resguarda valores patrimoniales propios e importantes para la cohesión social, que la violencia de la hipervisibilidad así como de la transparencia social, violentan y degradan, estereotipando o estigmatizando la vida de los barrios populares, como pobres, marginales o peligrosos. La presente comunicación trata sobre la investigación-creación cómo una potente aproximación al estudio participativo del valor lo patrimoniable. Presenta el caso de la localidad Pardo Rubio, en la Franja de Adecuación de los Cerros Orientales de Bogotá, sobre unas prácticas artísticas realizadas por la Universidad Antonio Nariño y la Universidad El Bosque involucrando grupos focales para el estudio de los valores territoriales. En dichas prácticas, que giraron alrededor de los lavaderos comunitarios del barrio El Paraíso, se desvelaron memorias, imaginarios, legados culturales. Los resultados arrojaron el reconocimiento de valores afectivos, identitarios y simbólicos del lavadero comunitario, que se materializaron en una creación sonora y el audiovisual “Albercazo: patrimoniable sonoro en borde urbano”. El “sonido patrimoniable”, punto de llegada de esta experiencia, representa en realidad un punto de partida hacia la exploración sobre los sonidos patrimoniables (SO-PA) en el estudio del paisaje sonoro. Se concluye en la comunicación que no es tanto el ojo sino el oido quien captura el espíritu del lugar.
Ex-Hulming The Past : trabajos de la memoria. Archivo y producción audiovisual como metodología de investigación.
Authors: Calle Valentina Jimenez 
Published: October 2019

La investigación y obra Ex-Hulming the Past, está enfocada en la creación de nuevas narrativas que no hicieron parte de la historia oficial del barrio Hulme ubicado en Manchester durante el periodo de 1972 y 1996. Usando la memoria como materia prima, la investigación articula diferentes tipos de archivos y material audiovisual, haciéndolos dialogar entre ellos al utilizar diversos elementos para representar un pasado común. Esta investigación explora la posibilidades que brinda el ámbito visual, para desentrañar las experiencias y las representaciones de lo que llamamos memoria. En este proceso investigativo se revela el innegable valor agregado que el audiovisual brinda como catalizador, conductor y productor, a un tema tan complejo y amplio como es la memoria. El trabajo investigativo es bastante amplio, sin embargo un punto de inflexión asume una reflexión sobre la imagen construida desde la memoria, que es precedida o antecedida de imágenes fijas. Esta reflexión se desarrolla bajo las bases de que la memoria es una ficción hecha por la experiencia humana, un proceso subjetivo originado por los eventos vividos y por la lectura y relectura de los intervalos entre imágenes como punto de bifurcación. El esfuerzo de reconstruir las imágenes entre imágenes y rescatar los fotogramas entre ellas. La instalación producto de esta investigación, busca ser un catalizador de relatos y memoria en un espacio abierto para el diálogo y momentos de identificación con el público. Se trata de una instalación de vídeos y material gráfico cuyo ensamblaje deja ver cómo la memoria encuentra sus grietas, su naturaleza fragmentaria y se conecta con la ficción.
Assessment of five different methods for the estimation of surface photosynthetically active radiation from satellite imagery at three sites – application to the monitoring of indoor soft fruit crops in southern UK
Authors: Thomas Claire , Dorling Stephen , Wandji Nyamsi William , Wald Lucien , Rubino Stéphane , Saboret Laurent , Trolliet Mélodie , Wey Etienne 
Published: October 2019

Abstract. This paper assesses several methods for the retrieval of Photosynthetically
Active Radiation (PAR) from satellite imagery. The results of five different methods are compared to coincident in-situ measurements collected at three sites in southern UK. PAR retrieval methods are separated into
two distinct groups. The first group comprises three methods that compute
PAR by multiplying the satellite-retrieved solar broadband irradiance at the surface (SSI) by a constant coefficient. The two methods in the second group are based on more sophisticated modelling of the radiative transfer in the atmosphere involving advanced global aerosol property analyses and
physically consistent total column water vapour and ozone produced by the
Copernicus Atmosphere Monitoring Service (CAMS). Both methods compute a
cloud modification factor from satellite-retrieved SSI. The five methods
have been applied to two satellite-retrieved SSI datasets: HelioClim-3
version 5 (HC3v5) and CAMS Radiation Service (CAMS-Rad). Except at the
seashore site, Group 2 methods combined with the cloud extinction from the
HC3v5 dataset deliver the best results with small biases of −5 to 0 µmol m−2 s−1 (−1 % to 0 % relative to the mean of the measurements), root mean square errors of 130 µmol m−2 s−1 (28 %) and correlation coefficients exceeding 0.945. For all methods, best results are attained with the HC3v5 data set. These results demonstrate that all methods capture the temporal and spatial variability of the PAR irradiation field well, although several methods require a posteriori bias adjustments for reliable results. Combined with such an adjustment, the Udo et Aro method is a good compromise for this geographical area in terms of reliability, tractability and its ability to run in real-time. Overall, the method performing a spectral discretization in cloud-free conditions, combined with the HC3v5 dataset, outperforms other methods and has great potential for supporting an operational system.
Development of Banana Edible Film and Assessment of Physicochemical Properties
Authors: Tak Jyoti Kumari , Jain Shashi 
Published: October 2019

Aim of Study: In today’s generation there is a need of biodegradable packaging material to overcome the diseases due to synthetic food packaging. Edible packaging is produced from renewable natural sources and can increase the shelf life of food product. In particular banana peel is abundantly present in nature, loaded with ample nutrients, renewable and low cost. Hence the research aimed to develop edible film from banana peel.
Study Design: Experimental design
Place and duration of study: Department of Food Science and Nutrition, College of Community and Applied Sciences, MPUAT, Udaipur, from January 2017 to August 2019.
Methodology: For film production acetic acid and glycerol was added in solution to provide the better gelatinization, transparency and flexibility of film. The developed film was assessed for its physicochemical properties such as thickness, density, transparency, tensile strength, elongation at break, water solubility, surface reflection spectra and appearance. Moreover sensory evaluation of films was also conducted to know the acceptability of film using nine point hedonic scale.
Results: After the various trials edible film was successfully developed from banana peels and developed banana film was found to have desirable properties as a packaging material. Results of sensory evaluation showed that film was neither liked nor disliked by panel members.
Conclusion: A non harmful and environment friendly edible film can be developed from the banana peel which will be beneficial for industrial use as a food packaging material. Moreover further researches are needed to bring this film from laboratory to consumer market.
Iron‐Nanoparticle Driven Tribochemistry Leading to Superlubric Sliding Interfaces
Authors: Berman Diana , Mutyala Kalyan C. , Srinivasan Srilok , Sankaranarayanan Subramanian K. R. S. , Erdemir Ali , Shevchenko Elena V. , Sumant Anirudha V. 
Published: October 2019

AbstractAny moving mechanical system consisting of sliding/rolling or rotating interfaces experiences friction and wear. High contact pressure and shear during relative movement of the sliding interfaces in the presence of lubricants often lead to interesting tribochemical activity at nanoscale, which then greatly influences the tribological performance of the mechanical systems at macroscale. Understanding these tribochemical interactions and to be able to manipulate them will be a key in designing smart solid lubricants that can self‐generate at the sliding interfaces and thus help in drastically improving the overall efficiency of these moving mechanical systems. In this study, it is demonstrated that solid lubricant consisting graphene mixed with iron nanoparticles (NPs) under high contact pressures at the sliding interface undergo tribochemical reaction leading to the formation of onion‐like‐carbon nanostructures (OLCs). Combining with atomistic molecular dynamic simulations, the tribochemical mechanism of formation of OLC with pure iron NPs and how that depends sensitively on the core–shell chemistry of the nanoparticle is elucidated. Interestingly, the formed OLCs lead to the near‐zero friction (superlubricity) during sliding in dry conditions, thus demonstrating great potential to be used as a solid lubricant for various tribological applications.
Skin‐Integrated Graphene‐Embedded Lead Zirconate Titanate Rubber for Energy Harvesting and Mechanical Sensing
Authors: Liu Yiming , Zhao Ling , Wang Lingyun , Zheng Huanxi , Li Dengfeng , Avila Raudel , Lai King W. C. , Wang Zuankai , Xie Zhaoqian , Zi Yunlong , Yu Xinge 
Published: October 2019

AbstractThin, soft, skin‐like electronics capable of transforming body mechanical motions to electrical signals have broad potential applications in biosensing and energy harvesting. Forming piezoelectric materials into flexible and stretchable formats and integrating with soft substrate would be a considerable strategy for this aspect. Here, a skin‐integrated rubbery electronic device that associates with a simple low‐cost fabrication method for a ternary piezoelectric rubber composite of graphene, lead zirconate tinanate (PZT), and polydimethylsiloxane (PDMS) is introduced. Comparing to the binary composite that blend with PZT and PDMS, the graphene‐embedded ternary composite exhibits a significant enhancement of self‐powered behavior, with a maximum power density of 972.43 µW cm−3 under human walking. Combined experimental and theoretical studies of the graphene‐embedded PZT rubber allow the skin‐integrated electronic device to exhibit excellent mechanical tolerance to bending, stretching, and twisting for thousands of cycles. Customized device geometries guided by optimized mechanical design enable a more comprehensive integration of the rubbery electronics with the human body. For instance, annulus‐shape devices can perfectly mount on the joints and ensure great power output and stability under continuous and large deformations. This work demonstrates the potential of large‐area, skin‐integrated, self‐powered electronics for energy harvesting as well as human health related mechanical sensing.
PTEN Hamartoma tumor syndrome in childhood: A review of the clinical literature
Authors: Macken William L. , Tischkowitz Marc , Lachlan Katherine L. 
Published: October 2019

AbstractPTEN hamartoma tumor syndrome (PHTS) is a highly variable autosomal dominant condition associated with intellectual disability, overgrowth, and tumor predisposition phenotypes, which often overlap. PHTS incorporates a number of historical clinical presentations including Bannayan‐Riley‐Ruvalcaba syndrome, Cowden syndrome, and a macrocephaly‐autism/developmental delay syndrome. Many reviews in the literature focus on PHTS as an adult hamartoma and malignancy predisposition condition. Here, we review the current literature with a focus on pediatric presentations. The review starts with a summary of the main conditions encompassed within PHTS. We then discuss PHTS diagnostic criteria, and clinical features. We briefly address rarer PTEN associations, and the possible role of mTOR inhibitors in treatment. We acknowledge the limited understanding of the natural history of childhood‐onset PHTS as a cancer predisposition syndrome and present a summary of important management considerations.
Moving forward with the primate microbiome: Introduction to a special issue of the American Journal of Primatology
Authors: Amato Katherine R. , Stumpf Rebecca M. 
Published: October 2019

AbstractPrimate microbiome research is a quickly growing field with exciting potential for informing our understanding of primate biology, ecology, and evolution as well as host‐microbe interactions more broadly. This introductory essay to a special section of the American Journal of Primatology provides a cross‐sectional snapshot of current activity in these areas by briefly summarizing the diversity of contributed papers and their relationships to key themes in host‐associated microbiome research. It then uses this survey as a foundation for consolidating a set of key research questions to broadly guide future research. It also argues for the importance of methods standardization to facilitate comparative analyses and the identification of generalizable patterns and relationships. While primatology will benefit greatly from the integration of microbial datasets, it is uniquely positioned to address important questions regarding microbiology and macro‐ecology and evolution more generally. We are eager to see where the primate microbiome leads us.
Effect of maternal corticosteroid provision on middle cerebral artery peak systolic velocity readings in the potentially anaemic fetus prior to planned intrauterine transfusion
Authors: Urutherakumar Varshinee , Henry Amanda , Welsh Alec 
Published: October 2019

AbstractPurposeMiddle Cerebral Artery Peak Systolic Velocity (MCA‐PSV) is the main tool for determining need for and timing of intrauterine transfusions (IUT) for severe fetal anaemia. It has been suggested that steroids temporarily decrease MCA‐PSV, potentially increasing false‐negative MCA‐PSV findings in anaemic fetuses. We therefore aimed to assess whether maternal corticosteroid administration prior to IUT is associated with clinically significant temporary decreases in MCA‐PSV.MethodsRetrospective review 2005–2016 of steroid provision prior to IUT, with correlation of MCA‐PSV pre‐ and post‐steroid administration and haemoglobin at IUT.ResultsIn 23 identified cases, there was no significant difference between average MoM pre‐ and post‐steroid (1.71 ± 0.41 vs. 1.66 ± 0.38, −2.9% mean, P = 0.4). There was also no significant difference between pre‐ and post‐steroid MoM taken within 3 days of each other (n = 19, P = 0.21). However, post‐steroid MCA‐PSV decreased by >15% in 6/23 cases (A‐B zone in two cases, B‐C zone in one case).ConclusionsThis study found no sizeable, generalised effect of corticosteroid administration on MCA‐PSV readings in the potentially anaemic fetus. A minority showed substantial shifts where reliance on post‐steroid MCA‐PSV could have unfavourably altered clinical management. Ultimately, further large‐scale research is required before we can discount the potential impact of steroids on MCA‐PSV values.
Zur Rolle der Iodid‐Methylammonium‐Interaktion in der Ferroelektrizität in CH3NH3PbI3
Authors: Breternitz J. , Lehmann F. , Barnett S. A. , Nowell H. , Schorr S. 
Published: October 2019

AbstractIhre außergewöhnlich hohen Konversionseffizienzen von über 20 % und die einfache Zellherstellung machen Hybridperowskite zu heißen Kandidaten für alternative Solarzellenmaterialien. CH3NH3PbI3 als Archetyp dieser Materialklasse besitzt außergewöhnliche Eigenschaften wie eine sehr effiziente Umwandlung von Solarenergie, wobei besonders Ferroelektrizität als mögliche Erklärung in den Fokus gerückt ist. Diese erfordert allerdings eine nicht‐zentrosymmetrische Kristallstruktur als notwendige Voraussetzung. Wir stellen hier eine Erklärung des Symmetriebruchs in diesem Material auf kristallographischem, d. h. fernordnungs‐basiertem, Wege vor. Während das Molekülkation CH3NH3+ intrinsisch polar ist, ist es extrem fehlgeordnet und kann deshalb nicht die einzige Erklärung darstellen. Es verzerrt allerdings das umgebende Kristallgitter und ruft dadurch eine Verschiebung der Iod‐Atome von den zentrosymmetrischen Positionen hervor.
Nondegradative additive manufacturing of medical grade copolyesters of high molecular weight and with varied elastic response
Authors: Ahlinder Astrid , Fuoco Tiziana , Morales‐López Álvaro , Yassin Mohammed A. , Mustafa Kamal , Finne‐Wistrand Anna 
Published: October 2019

ABSTRACTAlthough additive manufacturing through melt extrusion has become increasingly popular as a route to design scaffolds with complex geometries the technique if often limited by the reduction in molecular weight and the viscoelastic response when degradable aliphatic polyesters of high molecular weight are used. Here we use a melt extruder and fused filament fabrication printer to produce a reliable nondegradative route for scaffold fabrication of medical grade copolymers of L‐lactide, poly(ε‐caprolactone‐co‐L‐lactide), and poly(L‐lactide‐co‐trimethylene carbonate). We show that degradation is avoided using filament extrusion and fused filament fabrication if the process parameters are deliberately chosen based upon the rheological behavior, mechanical properties, and polymer composition. Structural, mechanical, and thermal properties were assessed throughout the process to obtain comprehension of the relationship between the rheological properties and the behavior of the medical grade copolymers in the extruder and printer. Scaffolds with a controlled architecture were achieved using high‐molecular‐weight polyesters exhibiting a large range in the elastic response causing negligible degradation of the polymers. © 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2020, 137, 48550.
A Bayesian basket trial design that borrows information across strata based on the similarity between the posterior distributions of the response probability
Authors: Fujikawa Kei , Teramukai Satoshi , Yokota Isao , Daimon Takashi 
Published: October 2019

AbstractBasket trials simultaneously evaluate the effect of one or more drugs on a defined biomarker, genetic alteration, or molecular target in a variety of disease subtypes, often called strata. A conventional approach for analyzing such trials is an independent analysis of each of the strata. This analysis is inefficient as it lacks the power to detect the effect of drugs in each stratum. To address these issues, various designs for basket trials have been proposed, centering on designs using Bayesian hierarchical models. In this article, we propose a novel Bayesian basket trial design that incorporates predictive sample size determination, early termination for inefficacy and efficacy, and the borrowing of information across strata. The borrowing of information is based on the similarity between the posterior distributions of the response probability. In general, Bayesian hierarchical models have many distributional assumptions along with multiple parameters. By contrast, our method has prior distributions for response probability and two parameters for similarity of distributions. The proposed design is easier to implement and less computationally demanding than other Bayesian basket designs. Through a simulation with various scenarios, our proposed design is compared with other designs including one that does not borrow information and one that uses a Bayesian hierarchical model.
Drying Techniques Affecting Structure‐Reactivity of Pt/Cr‐Ta : SrTiO3 Catalysts in Visible Light‐Irradiated Water Splitting Reaction
Authors: Donphai Waleeporn , Jangyubol Kunthida , Worathitanon Chayet , Niamnuy Chalida , Chanlek Narong , Klysubun Wantana , Chareonpanich Metta 
Published: October 2019

AbstractIn this study, the effect of drying techniques on properties of Pt/Cr−Ta : SrTiO3 catalysts in photocatalytic water splitting reaction were investigated. Drying techniques directly affected platinum particle size, which influenced the Pt phases and optical properties, all of which impact the activity of photocatalysts. The performances of Pt/Cr−Ta : SrTiO3 catalysts were in the following order: microwave>infrared>sonication>rotary evaporation>hot‐air oven. Among these techniques, microwave drying was the most efficient, providing high surface area, small platinum particle size and high percentage of platinum (II) oxide, which in turn led to the outstanding apparent quantum yield of H2 per energy consumption (22.4 %/KWh), which was 5.7, 5.7, 44.8 and 9.3 times higher than that of infrared, sonication, rotary evaporation and hot‐air oven, respectively. This result indicated that microwave technique provided efficient rapid and uniform heating rate with low energy consumption, leading to lowering the operating time period and cost.
Polymeric Photoacids Based on Naphthols—Design Criteria, Photostability, and Light‐Mediated Release
Authors: Wendler Felix , Sittig Maria , Tom Jessica C. , Dietzek Benjamin , Schacher Felix H. 
Published: October 2019

AbstractThe implementation of photoswitches within polymers offers an exciting toolbox in the design of light‐responsive materials as irradiation can be controlled both spatially and temporally. Herein, we introduce a range of water‐soluble copolymers featuring naphthol‐based chromophores as photoacids in the side chain. With that, the resulting materials experience a drastic increase in acidity upon stimulation with UV light and we systematically studied how structure and distance of the photoacid from the copolymer backbone determines polymerizability, photo‐response, and photostability. Briefly, we used RAFT (reversible addition–fragmentation chain transfer) polymerization to prepare copolymers consisting of nona(ethylene glycol) methyl ether methacrylate (MEO9MA) as water‐soluble comonomer in combination with six different 1‐naphthol‐based (“N”) monomers. Thereby, we distinguish between methacrylates (NMA, NOeMA), methacrylamides (NMAm, NOeMAm), vinyl naphthol (VN), and post‐polymerization modification based on [(1‐hydroxynaphthalen‐2‐amido)ethyl]amine (NOeMAm, NAmeMAm). These P(MEO9MAx‐co‐“N”y) copolymers typically feature a 4:1 MEO9MA to “N” ratio and molar masses in the range of 10 kg mol−1. After synthesis and characterization by using NMR spectroscopy and size exclusion chromatography (SEC), we investigated how potential photo‐cleavage or photo‐degradation during irradiation depends on the type and distance of the linker to the copolymeric backbone and whether reversible excited state proton transfer (ESPT) occurs under these conditions. In our opinion, such materials will be strong assets as light‐mediated proton sources in nanostructured environments, for example, for the site‐specific creation of proton gradients. We therefore exemplarily incorporated NMA into an amphiphilic block copolymer and could demonstrate the light‐mediated release of Nile red from micelles formed in water as selective solvent.
5,7,12,14‐Tetrafunctionalized 6,13‐Diazapentacenes
Authors: Xie Gaozhan , Hauschild Miriam , Hoffmann Hendrik , Ahrens Lukas , Rominger Frank , Borkowski Michal , Marszalek Tomasz , Freudenberg Jan , Kivala Milan , Bunz Uwe H. F. 
Published: October 2019

AbstractThe synthesis, property evaluation, and single crystal X‐ray structures of four 5,7,12,14‐tetrafunctionalized diazapentacenes are presented. The synthesis of these compounds either starts from tetrabromo‐N,N‐dihydrodiazapentacene or from a diazapentacene tetraketone. Pd‐catalyzed coupling or addition of a lithium acetylide gave the precursors that furnish, after further redox reactions, the diazapentacenes as stable crystalline materials. The performance of the tetraphenyl‐substituted compound as n‐channel semiconductor was evaluated in organic field effect transistors.