bluuebunny/crossref_metadata_2025_split huggingface dataset:
Atmospheric Drag Perturbation On Weather Satellite At Two Different Geomagnetic Fields Conditions
Authors: Najlaa Ozaar Hasan  , Ahmed Kader Izzet  , Hindreen A. Ibrahim  
Published: November 2024

This study analyzes the effect of atmospheric drag perturbation at two different magnetic index (active and severe storm) conditions, on the motion of NOAA 15 weather satellite, the Celestial Mechanics software results were plotted with the assistance of the MATLAB program. From the results it is noticed that for short period of time the effect of atmospheric suppression disturbance at different geomagnetic activity had the same effect on the orbital elements and orbital motion components , for a long period there is a slight variation in the effect of the perturbation at two different geomagnetic activities, which can be seen in the orbit's inclination as well as its size and shape. The results demonstrated that motion components were significantly impacted by geomagnetic activity over relatively extended time scales.
Competitividad y desarrollo humano en los emprendimientos por necesidad: un caso de estudio situado en la región de los Tuxtlas en Veracruz, México
Authors: Mazzoti Pabello Giovanna Maddalena , Murrieta Martínez Natalia , Altamirano Vásquez Margarita 
Published: November 2024

Los emprendimientos por necesidad se originan como una estrategia de supervivencia en comunidades rurales y urbanas, especialmente en regiones de América Latina. A diferencia de otros tipos de emprendimiento, estos se basan en la generación de ingresos que favorecen la autosuficiencia de quienes lo realizan y no en un enfoque empresarial de crecimiento económico. Con el objetivo de evaluar estos emprendimientos, este artículo propone una adaptación de la competitividad tradicional hacia una competitividad social que considera al entorno social, al cultural y a las interacciones comunitarias, que apoya a emprendedores en condiciones de vulnerabilidad y que propone herramientas de planificación y evaluación adecuadas a su contexto. Para ello, se analiza al colectivo de meliponicultoras de Maretux, en la región de los Tuxtlas en el estado de Veracruz, México, como ejemplo de emprendimiento por necesidad impulsado por factores económicos y sociales adversos. Las mujeres que integran el colectivo generan ingresos mediante la producción de miel y derivados, además de que contribuyen al desarrollo sostenible al conservar especies nativas de abejas y promueven la biodiversidad. El artículo destaca la importancia de los emprendimientos por necesidad en el fortalecimiento de la economía de subsistencia, la cohesión social y el desarrollo de habilidades comerciales y de organización, mejorando la calidad de vida en comunidades rurales y promoviendo un modelo de negocio alineado con el desarrollo humano.
ESTUDO COMPARATIVO DAS PROPRIEDADES MECÂNICAS DO AÇO 4340 SUBMETIDO AO TRATAMENTO TÉRMICO POR TÊMPERA
Authors:   João Vitor de Souza Boechat, Celestino Juan Polidorio , Silva Mariana Bazeth ,   Jarilson de Souza Silva
Published: November 2024

Este estudo compara as propriedades mecânicas do aço AISI 4340 após ter sido submetido ao tratamento térmico por têmpera, a uma temperatura de 950°C. Foram realizados dois ensaios de tração, um com o corpo de prova ainda sem o tratamento térmico e outro após a realização do mesmo. Também foram medidas a dureza do material antes e após o tratamento térmico. A partir dos resultados obtidos foi possível traçar o gráfico tensão-deformação onde puderam ser notadas as diferenças nos valores de tensão e deformação sofridas pelo material devido à têmpera e alteração na dureza do material como indicado nas tabelas.
RESPONSABILIDADE CIVIL NA DISSEMINAÇÃO DE FAKE NEWS NO INSTAGRAM: DESAFIOS E PERSPECTIVAS LEGAIS
Authors:   Acsa Liliane Carvalho Brito de Souza, Franco Mariana Paula 
Published: November 2024

A disseminação de fake news em redes sociais, como o Instagram, é um fenômeno que ganhou destaque nas últimas décadas devido à expansão das plataformas digitais e à facilidade de compartilhamento de informações. Embora as redes sociais tenham se tornado ferramentas importantes de comunicação, a rápida difusão de informações falsas gera sérios danos à reputação de indivíduos, empresas e instituições, além de criar um ambiente de desinformação que pode afetar a própria democracia. Diante disso, o presente estudo visou analisar a responsabilidade civil pela disseminação de fake news no Instagram, explorando os desafios legais e as possíveis soluções para a responsabilização das plataformas, à luz da legislação brasileira. Assim, verificou-se que a responsabilidade civil pela disseminação de fake news no Instagram segue os princípios do Código Civil Brasileiro e a Lei nº 12.965/2014. Ela pode envolver tanto os criadores quanto os disseminadores do conteúdo falso, com base nos danos causados a terceiros, condenando o autor e plataformas como o Instagram, a indenizar a vítima por danos morais e, em alguns casos, danos materiais. A metodologia aplicada é de pesquisa de caráter qualitativo e quantitativo, cujo meios de investigação trata-se de pesquisa bibliográfica, pelo método dedutivo, e de estudo descritivo. Os dados obtidos foram apresentados na forma descritiva, sendo analisados através dos resultados descritos pelos autores na revisão bibliográfica.
A Case Study: An Android Security
Authors: Akhtar Shagufta 
Published: November 2024

Software security has made great progress; code analysis tools perform extensive checks for code defects, it is useful to have a basic understanding of the different warnings and emphasize the bug. However, this is beyond the state of the art for many types of application security flaws. Thus, such tools frequently serve for an analyst to help them zero in on security relevant portions of code so they can find flaws more efficiently, rather than a tool that simply finds flaws automatically. In cooperation with a security expert, we carried out a case study with the mobile phone platform Android, and employed the reverse engineering tool-suite Bauhaus for this security assessment. During the investigation we found some inconsistencies in the implementation of the Android security concepts. Based on the lessons learned from the case study, we propose several research topics in the area of reverse engineering that would support a security analyst during security assessments.
”Being among the stars”: Et feministisk-posthumanistisk perspektiv på det multiplanetære menneske
Authors: Nørkjær Bang Anne , Halmø Kroløkke Charlotte 
Published: November 2024

I en tid hvor rumudforskning i stigende grad bliver underlagt kommercielle logikker, alt imens konsekvenserne af ekstraktiv kapitalisme på Jordens økosystemer bliver stadig mere tydelige, er det nødvendigt, at feministisk forskning også bidrager til samtalen om vores relationer til de mere-end-menneskelige verdener ”out there”, som nu af nye, private rumfartsvirksomheder bliver iscenesat som en lovende ny ”frontier”. Med den erkendelse som udgangspunkt, søger vi i denne artikel at udvikle et feministisk-posthumanistisk perspektiv på den SpaceX-drevne mission om at gøre mennesket til en multiplanetær art gennem Mars-kolonisering. I artiklen undersøger vi, hvordan mennesket forestilles som multiplanetær art gennem SpaceX’ formidling af dets Mars program og argumenterer for, at det multiplanetære menneske forestilles ud af tre overordnede linjer: 1) Multiplanetaritet som risikohåndtering 2) multiplanetaritet som ”livets gave” og 3) multiplanetaritet som en del af et attraktivt menneskeligt liv i ikke bare den globale, men også galaktiske elite – en idé, der i disse fremstillinger har umiddelbare effekter på det jordiske liv gennem sin affektive kraftfuldhed og evne til at cirkulere optimisme, produktivitet og håb for en fremtid som måske – måske aldrig – materialiserer sig. På den måde viser vores studie, at SpaceX’ forestillinger om multiplanetaritet bygger på opretholdelsen og mobiliseringen af naturkulturelle skillelinjer og animacitetshierarkier gennem antropocentriske, biopolitiske og imperialistiske tænkemåder: Mulitplaneratitet opstår som en redningskrans – ikke så meget for faktiske mennesker, der er truet af klimakatastrofe, men for en særlig måde at leve på, rodfæstet i vestlig forbrugskultur.
Stable dominance of parasitic dinoflagellates in Antarctic sponges
Authors: López-Rodríguez Marileyxis R. , Gérikas Ribeiro Catherine , Rodríguez-Marconi Susana , Parada-Pozo Génesis , Manrique-de-la-Cuba Maria , Trefault Nicole 
Published: November 2024

Background
Marine sponges are dominant components of Antarctic benthos and representative of the high endemism that characterizes this environment. All microbial groups are part of the Antarctic sponge holobionts, but microbial eukaryotes have been studied less, and their symbiotic role still needs to be better understood. Here, we characterize the dynamics of microbial eukaryotes associated with Antarctic sponges, focusing on dinoflagellates over three summer periods to better understand the members, interannual variations, and trophic and lifestyle strategies.

Results
The analysis revealed that dinoflagellates dominate microeukaryotic communities in Antarctic sponges. The results also showed significant differences in the diversity and composition of dinoflagellate communities associated with sponges compared to those in seawater. Antarctic sponges were dominated by a single dinoflagellate family, Syndiniales Dino-Group-I-Clade 1, which was present in high abundance in Antarctic sponges compared to seawater communities. Despite minor differences, the top microeukaryotic amplicon sequence variants (ASVs) showed no significant interannual abundance changes, indicating general temporal stability within the studied sponge species. Our findings highlight the abundance and importance of parasitic groups, particularly the classes Coccidiomorphea, Gregarinomorphea, and Ichthyosporea, with the exclusive dominance of Syndiniales Dino-Group-I-Clade 1 within sponges.

Conclusions
The present study comprehensively characterizes the microbial eukaryotes associated with Antarctic sponges, showing a remarkable stability of parasitic dinoflagellates in Antarctic sponges. These findings underscore the significant role of parasites in these marine hosts, with implications for population dynamics of the microeukaryome and the holobiont response to a changing ocean.
Combined effect of temporal inundation and aboveground-cutting on the growth performance of two emergent wetland plants, Phragmites australis and Bolboschoenus planiculmis
Authors: Park Hee-Sun , Kim Ji Yoon , Kim Gu-Yeon , Jo Hyunbin , Joo Gea-Jae 
Published: November 2024

Background
Phragmites australis is a common foundation species found in inland and brackish estuarine ecosystems. P. australis stands provide a wide range of habitats for wetland organisms and perform essential functions, such as nutrient cycling, pollutant filtration, wave energy reduction, and soil stabilization. However, excessive growth of P. australis can degrade the quality of wetland habitats, thereby reducing the functions of restored wetlands.

Methods
In this study, we investigated the effectiveness of vegetation management techniques, such as aboveground cutting and temporal inundation with varying depth and periodicity, in controlling the growth performance of P. australis and adjacent vegetation, Bolboschoenus planiculmis. Differences in growth responses to manipulated inundation stress between P. australis and B. planiculmis were measured.

Results
Inundation stress of 10–50 cm caused significantly greater inhibition of growth performance in B. planiculmis compared to P. australis. The combination of aboveground-cutting and inundation treatments resulted in a significant inhibitory effect on the growth performance and survival rate of P. australis. The growth performance of P. australis, including stem volume and biomass, decreased and its mortality rate increased. Our manipulated experiment suggests a combined treatment approach of moderate inundation, such as 5–10 cm for 20–30 days, and aboveground cutting to manage the overgrowth of P. australis in restored brackish wetlands.
Crystal structure of plasma kallikrein reveals the unusual flexibility of the S1 pocket triggered by Glu217
Authors: Xu Mingming , Chen Yayu , Xu Peng , Andreasen Peter A. , Jiang Longguang , Li Jinyu , Huang Mingdong 
Published: July 2018

Serine proteases play important roles in numerous physiological and pathophysiological processes. Moreover, serine proteases are classical subjects for studies of catalytic and inhibitory mechanisms of enzymes. Here, we determined the crystal structures of a serine protease, murine plasma kallikrein (mPK), and its complex with a peptidic inhibitor. Although mPK in the complex adopts a canonical protease structure, the apo‐mPK exhibits a previously unobserved structural feature: the entrance of the intact S1 pocket is blocked by Glu217. In addition, molecular dynamics simulations and functional assays support the flexibility of Glu217 and suggest that this flexibility plays a role in regulating the activity of serine proteases.EnzymesEC: 3.4.21.34
A fine‐needle aspiration‐based protein signature discriminates benign from malignant breast lesions
Authors: Franzén Bo , Kamali‐Moghaddam Masood , Alexeyenko Andrey , Hatschek Thomas , Becker Susanne , Wik Lotta , Kierkegaard Jonas , Eriksson Annika , Muppani Naveen R. , Auer Gert , Landegren Ulf , Lewensohn Rolf 
Published: July 2018

There are increasing demands for informative cancer biomarkers, accessible via minimally invasive procedures, both for initial diagnostics and to follow‐up personalized cancer therapy. Fine‐needle aspiration (FNA) biopsy provides ready access to relevant tissues; however, the minute sample amounts require sensitive multiplex molecular analysis to achieve clinical utility. We have applied proximity extension assays (PEA) and NanoString (NS) technology for analyses of proteins and of RNA, respectively, in FNA samples. Using samples from patients with breast cancer (BC,n = 25) or benign lesions (n = 33), we demonstrate that these FNA‐based molecular analyses (a) can offer high sensitivity and reproducibility, (b) may provide correct diagnosis in shorter time and at a lower cost than current practice, (c) correlate with results from routine analysis (i.e., benchmarking against immunohistochemistry tests for ER, PR, HER2, and Ki67), and (d) may also help identify new markers related to immunotherapy. A specific 11‐protein signature, including FGF binding protein 1, decorin, and furin, distinguished all cancer patient samples from all benign lesions in our main cohort and in smaller replication cohort. Due to the minimally traumatic sampling and rich molecular information, this combined proteomics and transcriptomic methodology is promising for diagnostics and evaluation of treatment efficacy in BC.
Construction of a set of novel and robust gene expression signatures predicting prostate cancer recurrence
Authors: Jiang Yanzhi , Mei Wenjuan , Gu Yan , Lin Xiaozeng , He Lizhi , Zeng Hui , Wei Fengxiang , Wan Xinhong , Yang Huixiang , Major Pierre , Tang Damu 
Published: July 2018

We report here numerous novel genes and multiple new signatures which robustly predict prostate cancer (PC) recurrence. We extracted 696 differentially expressed genes relative to a reported PC signature from the TCGA dataset (n = 492) and built a 15‐gene signature (SigMuc1NW) using Elastic‐net with 10‐fold cross‐validation through analyzing their expressions at 1.5 standard deviation/SD below and 2 SD above a population mean. SigMuc1NW predicts biochemical recurrence (BCR) following surgery with 56.4% sensitivity, 72.6% specificity, and 63.24 median months disease free (MMDF) (P = 1.12e‐12). The prediction accuracy is improved with the use of SigMuc1NW's cutpoint (P = 3e‐15) and is further enhanced (sensitivity 67%, specificity 75.7%, MMDF 45.2, P = 0) when all 15 genes were analyzed through their cutpoints instead of their SDs. These genes individually associate with BCR using either SD or cutpoint as the cutoff points. Eight of 15 genes are individual risk factors after adjusting for age at diagnosis, Gleason score, surgical margin, and tumor stage. Eleven of 15 genes are novel to PC. SigMuc1NW discriminates BCR with time‐dependent AUC (tAUC) values of 76.6% at 11.5 months (76.6%–11.5 m), 73.8%‐22.3 m, 78.5%‐32.1 m, and 76.4%–48.4 m. SigMuc1NW is correlated with adverse features of PC, high Gleason scores (odds ratio/OR 1.48, P < 2e‐16), and advanced tumor stages (OR 1.33, P = 4.37e‐13). SigMuc1NW remains an independent risk factor of BCR (HR 2.44, 95% CI 1.53–3.87, P = 1.62e‐4) after adjusting for age at diagnosis, Gleason score, surgical margin, and tumor stage. In an independent PC (MSKCC) cohort (n = 140), these 15 genes were altered in PC vs normal tissue, metastatic PCs vs primary PCs, and recurrent PCs vs nonrecurrent PCs. Importantly, a 10‐gene subsignature SigMuc1NW1 predicts BCR in MSKCC (P = 3.11e‐15) and TCGA (P = 3.13e‐12); SigMuc1NW1 discriminates BCR at 18.4 m with tAUC as 82.5%. Collectively, our analyses support SigMuc1NW as a novel and robust signature in predicting BCR of PC.
Patients With Early‐Onset Gout and Development of Earlier Severe Joint Involvement and Metabolic Comorbid Conditions: Results From a Cross‐Sectional Epidemiologic Survey
Authors: Pascart Tristan , Norberciak Laurène , Ea Hang‐Korng , Guggenbuhl Pascal , Lioté Frédéric 
Published: July 2018

ObjectiveLittle is known of the clinical features and comorbidity profile of patients presenting with early‐onset gout (EOG), although international guidelines recommend rapid treatment after diagnosis. The objective of this study was to assess specific characteristics and comorbidities of patients with gout who had an early onset.MethodsPatients from a cross‐sectional French national cohort who experienced their first gout flare before age 40 years were included in the EOG group and compared to patients with an onset after age 40 years, the common gout group.ResultsA total of 120 patients were included in the EOG group (mean ± SD age 49.5 ± 11.9 years) and 865 patients in the common gout group (mean ± SD age 64.4 ± 10.1 years). Patients with EOG more often presented with a history of polyarticular flares (P < 0.01), but had similar frequency of flares (P = 0.16), gout arthropathy (P = 0.79), and tophi (P = 0.53). Prevalence of each item comprising metabolic syndrome did not differ between groups. In patients with EOG, all cardiovascular comorbidities were diagnosed after gout onset. Greater age, low high‐density lipoprotein, and excessive alcohol intake were associated in multivariate analysis with the common gout group, while a familial history of gout, longer duration of urate‐lowering treatment, higher serum uric acid levels, and metabolic syndrome were associated with the EOG group.ConclusionPatients with EOG developed slightly more severe joint involvement and earlier metabolic disorders than patients with common gout.
Active Materials for Organic Electrochemical Transistors
Authors: Zeglio Erica , Inganäs Olle 
Published: July 2018

AbstractThe organic electrochemical transistor (OECT) is a device capable of simultaneously controlling the flow of electronic and ionic currents. This unique feature renders the OECT the perfect technology to interface man‐made electronics, where signals are conveyed by electrons, with the world of the living, where information exchange relies on chemical signals. The function of the OECT is controlled by the properties of its core component, an organic conductor. Its chemical structure and interactions with electrolyte molecules at the nanoscale play a key role in regulating OECT operation and performance. Herein, the latest research progress in the design of active materials for OECTs is reviewed. Particular focus is given on the conducting polymers whose properties lead to advances in understanding the OECT working mechanism and improving the interface with biological systems for bioelectronics. The methods and device models that are developed to elucidate key relations between the structure of conducting polymer films and OECT function are discussed. Finally, the requirements of OECT design for in vivo applications are briefly outlined. The outcomes represent an important step toward the integration of organic electronic components with biological systems to record and modulate their functions.
High‐Mobility Helical Tellurium Field‐Effect Transistors Enabled by Transfer‐Free, Low‐Temperature Direct Growth
Authors: Zhou Guanyu , Addou Rafik , Wang Qingxiao , Honari Shahin , Cormier Christopher R. , Cheng Lanxia , Yue Ruoyu , Smyth Christopher M. , Laturia Akash , Kim Jiyoung , Vandenberghe William G. , Kim Moon J. , Wallace Robert M. , Hinkle Christopher L. 
Published: July 2018

AbstractThe transfer‐free direct growth of high‐performance materials and devices can enable transformative new technologies. Here, room‐temperature field‐effect hole mobilities as high as 707 cm2 V−1 s−1 are reported, achieved using transfer‐free, low‐temperature (≤120 °C) direct growth of helical tellurium (Te) nanostructure devices on SiO2/Si. The Te nanostructures exhibit significantly higher device performance than other low‐temperature grown semiconductors, and it is demonstrated that through careful control of the growth process, high‐performance Te can be grown on other technologically relevant substrates including flexible plastics like polyethylene terephthalate and graphene in addition to amorphous oxides like SiO2/Si and HfO2. The morphology of the Te films can be tailored by the growth temperature, and different carrier scattering mechanisms are identified for films with different morphologies. The transfer‐free direct growth of high‐mobility Te devices can enable major technological breakthroughs, as the low‐temperature growth and fabrication is compatible with the severe thermal budget constraints of emerging applications. For example, vertical integration of novel devices atop a silicon complementary metal oxide semiconductor platform (thermal budget <450 °C) has been theoretically shown to provide a 10× systems level performance improvement, while flexible and wearable electronics (thermal budget <200 °C) can revolutionize defense and medical applications.
Facile Assembly of a Large‐Area BNNSs Film for Oxidation/Corrosion‐Resistant Coatings
Authors: Teng Chao , Lin Yucai , Tan Yanli , Liu Jian , Wang Lei 
Published: July 2018

AbstractCopper is one of the most widely used materials in industrial applications, such as electric power, electronics, and mechanical engineering fields. However, under high humidity, high temperature environment, acid, base, and salt solutions, the copper is vulnerable to destruction, which induces the oxidation and corrosion of copper surface. For circumventing these problems, a robust hydrophobic hexagonal boron nitride nanosheets (BNNSs) coating is facilely prepared through integrating the methods of liquid exfoliation, interface self‐assembly, and physics vapor deposition. The coating can prevent the copper to be oxidized at temperature as high as 500 °C. The corrosive droplets on the coating surface keep in Cassie's state and cannot penetrate into the valley of the topography, which effectively prevents the electrochemical corrosion at the interface between copper and the coating materials even under the DC voltage of 10 V. This finding sheds light on large‐scale constructing of oxidation/corrosion‐resistant coating for copper base materials toward practical industrial application.