bluuebunny/crossref_metadata_2025_split huggingface dataset:
Predicting the potential for zoonotic transmission and host associations for novel viruses
Authors: Pandit Pranav S. , Anthony Simon J. , Goldstein Tracey , Olival Kevin J. , Doyle Megan M. , Gardner Nicole R. , Bird Brian , Smith Woutrina , Wolking David , Gilardi Kirsten , Monagin Corina , Kelly Terra , Uhart Marcela M. , Epstein Jonathan H. , Machalaba Catherine , Rostal Melinda K. , Dawson Patrick , Hagan Emily , Sullivan Ava , Li Hongying , Chmura Aleksei A. , Latinne Alice , Lange Christian , O’Rourke Tammie , Olson Sarah , Keatts Lucy , Mendoza A. Patricia , Perez Alberto , de Paula Cátia Dejuste , Zimmerman Dawn , Valitutto Marc , LeBreton Matthew , McIver David , Islam Ariful , Duong Veasna , Mouiche Moctar , Shi Zhengli , Mulembakani Prime , Kumakamba Charles , Ali Mohamed , Kebede Nigatu , Tamoufe Ubald , Bel-Nono Samuel , Camara Alpha , Pamungkas Joko , Coulibaly Kalpy J. , Abu-Basha Ehab , Kamau Joseph , Silithammavong Soubanh , Desmond James , Hughes Tom , Shiilegdamba Enkhtuvshin , Aung Ohnmar , Karmacharya Dibesh , Nziza Julius , Ndiaye Daouda , Gbakima Aiah , Sajali Zikankuba , Wacharapluesadee Supaporn , Robles Erika Alandia , Ssebide Benard , Suzán Gerardo , Aguirre Luis F. , Solorio Monica R. , Dhole Tapan N. , Nga Nguyen T. T. , Hitchens Peta L. , Joly Damien O. , Saylors Karen , Fine Amanda , Murray Suzan , Karesh William B. , Daszak Peter , Mazet Jonna A. K. ,   PREDICT Consortium, de Paula Cátia Dejuste , Johnson Christine K. 
Published: August 2022

AbstractHost-virus associations have co-evolved under ecological and evolutionary selection pressures that shape cross-species transmission and spillover to humans. Observed virus-host associations provide relevant context for newly discovered wildlife viruses to assess knowledge gaps in host-range and estimate pathways for potential human infection. Using models to predict virus-host networks, we predicted the likelihood of humans as hosts for 513 newly discovered viruses detected by large-scale wildlife surveillance at high-risk animal-human interfaces in Africa, Asia, and Latin America. Predictions indicated that novel coronaviruses are likely to infect a greater number of host species than viruses from other families. Our models further characterize novel viruses through prioritization scores and directly inform surveillance targets to identify host ranges for newly discovered viruses.
It Takes a Community: How Environmental Systems Construct (In)Competence in Autistic Peer Interactions
Authors: Vidal Veronica G. , Wachholtz Daniela P. , Mattie Laura J. , DeThorne Laura S. 
Published: August 2022

Purpose:
This study aims to illustrate how environmental systems shape the peer interactions of an autistic student within the classroom.

Method:
Drawing on the bioecological model of human development, this situated discourse analysis used thematic coding and microanalysis to examine data from semistructured interviews and 10 sessions of direct classroom observations of a 9-year-old autistic student and his classroom communication partners.

Results:
Convergent data across participants, time, and data sources revealed the following systemic influences on peer interaction: predominant medicalized view of autism (macrosystem), educational practices (exosystem), misaligned roles across adults and peers in the classroom (mesosystem), and multimodal opportunities for direct interaction that were supported by objects and physical contact and inhibited by rapid pacing (microsystem).

Conclusions:
Findings illustrate the environmental complexities associated with the development of peer interactions for autistic students. We offer explicit clinical implications for how environmental factors can be addressed in the school-based eligibility determination process and in the Individualized Education Program.
Vertically extended and asymmetric CN emission in the Elias 2-27 protoplanetary disk
Authors: Paneque-Carreño T. , Miotello A. , van Dishoeck E. F. , Pérez L. M. , Facchini S. , Izquierdo A. F. , Tychoniec L. , Testi L. 
Published: August 2022

Context. Cyanide (CN) emission is expected to originate in the upper layers of protoplanetary disks, tracing UV-irradiated regions. This hypothesis, however, has been observationally tested only in a handful of disks. Elias 2-27 is a young star that hosts an extended, bright, and inclined disk of dust and gas. The inclination and extreme flaring of the disk make Elias 2-27 an ideal target to study the vertical distribution of molecules, particularly CN.
Aims. Our aim is to directly trace the emission of CN in the disk around Elias 2-27 and compare it to previously published CO isotopolog data of the system. The two tracers can be combined and used to constrain the physical and chemical properties of the disk. Through this analysis we can test model predictions of CN emission and compare observations of CN in other objects to the massive, highly flared, asymmetric, and likely gravitationally unstable protoplanetary disk around Elias 2-27.
Methods. We analyzed CN N = 3–2 emission in two different transitions J = 7/2–5/2 and J = 5/2–3/2, for which we detect two hyperfine group transitions. The vertical location of CN emission was traced directly from the channel maps, following geometrical methods that had been previously used to analyze the CO emission of Elias 2-27. Simple analytical models were used to parameterize the vertical profile of each molecule and study the extent of each tracer. From the radial intensity profiles we computed radial profiles of column density and optical depth.
Results. We show that the vertical location of CN and CO isotopologs in Elias 2-27 is layered and consistent with predictions from thermochemical models. A north-south asymmetry in the radial extent of the CN emission is detected, which is likely due to shadowing on the north side of the disk. Combining the information from the peak brightness temperature and vertical structure radial profiles, we find that the CN emission is mostly optically thin and constrained vertically to a thin slab at z/r ~ 0.5. A column density of 1014 cm−2 is measured in the inner disk, which for the north side decreases to 1012 cm−2 and for the south side to 1013 cm−2 in the outer regions.
Conclusions. In Elias 2-27, CN traces a vertically elevated region above the midplane, very similar to that traced by 12CO. The inferred CN column densities, low optical depth (τ ≤ 1), and location near the disk surface are consistent with thermo-chemical disk models in which CN formation is initiated by the reaction of N with UV-pumped H2. The observed north–south asymmetry may be caused by either ongoing infall or by a warped inner disk. This study highlights the importance of tracing the vertical location of various molecules to constrain the disk physical conditions.
The BINGO project
Authors: Novaes Camila P. , Zhang Jiajun , de Mericia Eduardo J. , Abdalla Filipe B. , Liccardo Vincenzo , Wuensche Carlos A. , Delabrouille Jacques , Remazeilles Mathieu , Santos Larissa , Landim Ricardo G. , Abdalla Elcio , Barosi Luciano , Queiroz Amilcar , Villela Thyrso , Wang Bin , Costa André A. , Ferreira Elisa G. M. , Marins Alessandro , dos Santos Marcelo V. 
Published: August 2022

Context. A new and promising technique for observing the Universe and study the dark sector is the intensity mapping of the redshifted 21 cm line of neutral hydrogen (H I). The Baryon Acoustic Oscillations [BAO] from Integrated Neutral Gas Observations (BINGO) radio telescope will use the 21 cm line to map the Universe in the redshift range 0.127 ≤ z ≤ 0.449 in a tomographic approach, with the main goal of probing the BAO.
Aims. This work presents the forecasts of measuring the transversal BAO signal during the BINGO phase 1 operation.
Methods. We used two clustering estimators: the two-point angular correlation function (ACF) in configuration space, and the angular power spectrum (APS) in harmonic space. We also used a template-based method to model the ACF and APS estimated from simulations of the BINGO region and to extract the BAO information. The tomographic approach allows the combination of redshift bins to improve the template fitting performance. We computed the ACF and APS for each of the 30 redshift bins and measured the BAO signal in three consecutive redshift blocks (lower, intermediate, and higher) of ten channels each. Robustness tests were used to evaluate several aspects of the BAO fitting pipeline for the two clustering estimators.
Results. We find that each clustering estimator shows different sensitivities to specific redshift ranges, although both of them perform better at higher redshifts. In general, the APS estimator provides slightly better estimates, with smaller uncertainties and a higher probability of detecting the BAO signal, achieving ≳90% at higher redshifts. We investigate the contribution from instrumental noise and residual foreground signals and find that the former has the greater impact. It becomes more significant with increasing redshift, in particular for the APS estimator. When noise is included in the analysis, the uncertainty increases by up to a factor of ∼2.2 at higher redshifts. Foreground residuals, in contrast, do not significantly affect our final uncertainties.
Conclusions. In summary, our results show that even when semi-realistic systematic effects are included, BINGO has the potential to successfully measure the BAO scale at radio frequencies.
Studying a precessing jet of a massive young stellar object within a chemically rich region
Authors: Paron S. , Mast D. , Fariña C. , Areal M. B. , Ortega M. E. , Martinez N. C. , Celis Peña M. 
Published: August 2022

Aims. In addition to the large surveys and catalogs of massive young stellar objects (MYSOs) and outflows, dedicated studies are needed of particular sources in which high angular observations, mainly at near-IR and (sub)millimeter wavelengths, are analyzed in depth, to shed light on the processes involved in the formation of massive stars. The galactic source G079.1272+02.2782 is a MYSO at a distance of about 1.4 kpc that appears in several catalogs, and is hereafter referred to as MYSO G79. It is an ideal source to carry out this kind of study because of its relatively close distance and the intriguing structures that the source shows at near-IR wavelengths.
Methods. Near-IR integral field spectroscopic observations were carried out using NIFS at Gemini North. The spectral and angular resolutions, about 2.4–4.0 Å, and 0.″15–0.″22, allow us to perform a detailed study of the source and its southern jet, resolving structures with sizes between 200 and 300 au. As a complement, millimeter data retrieved from the James Clerk Maxwell Telescope and the IRAM 30 m telescope databases were analyzed to study the molecular gas around the MYSO on a larger spatial scale.
Results. The detailed analysis of a jet extending southward from MYSO G79 shows corkscrew-like structures at 2.2 μm continuum, strongly suggesting that the jet is precessing. The jet velocity is estimated at between 30 and 43 km s−1 and its kinematics indicates that it is blueshifted, that the jet is coming to us along the line of sight. We suggest that the precession may be produced by the gravitational tidal effects generated in a probable binary system, and we estimate a jet precession period of about 103 yr, indicating a slow-precessing jet, which is in agreement with the observed helical features. An exhaustive analysis of H2 lines at the near-IR band along the jet allows us to investigate in detail a bow shock produced by this jet. We find that this bow shock is indeed generated by a C-type shock and it is observed coming to us, at an inclination angle, along the line of sight. This is confirmed by the analysis of molecular outflows on a larger spatial scale. A brief analysis of several molecular species at millimeter wavelengths indicates a complex chemistry developing at the external layers of the molecular clump in which MYSO G79 is embedded. We note that we are presenting interesting observational evidence that can give support to theoretical models of bow shocks and precessing jets.
Bridging the gap between Monte Carlo simulations and measurements of the LISA Pathfinder test-mass charging for LISA
Authors: Grimani C. , Villani M. , Fabi M. , Cesarini A. , Sabbatini F. 
Published: August 2022

Context.Cubic gold-platinum free-falling test masses (TMs) constitute the mirrors of future LISA and LISA-like interferometers for low-frequency gravitational wave detection in space. High-energy particles of Galactic and solar origin charge the TMs and thus induce spurious electrostatic and magnetic forces that limit the sensitivity of these interferometers. Prelaunch Monte Carlo simulations of the TM charging were carried out for the LISA Pathfinder (LPF) mission, that was planned to test the LISA instrumentation. Measurements and simulations were compared during the mission operations. The measured net TM charging agreed with simulation estimates, while the charging noise was three to four times higher.Aims.We aim to bridge the gap between LPF TM charging noise simulations and observations.Methods.New Monte Carlo simulations of the LPF TM charging due to both Galactic and solar particles were carried out with the FLUKA/LEI toolkit. This allowed propagating low-energy electrons down to a few electronvolt.Results.These improved FLUKA/LEI simulations agree with observations gathered during the mission operations within statistical and Monte Carlo errors. The charging noise induced by Galactic cosmic rays is about one thousand charges per second. This value increases to tens of thousands charges per second during solar energetic particle events. Similar results are expected for the LISA TM charging.
Precise mass determination for the keystone sub-Neptune planet transiting the mid-type M dwarf G 9-40
Authors: Luque R. , Nowak G. , Hirano T. , Kossakowski D. , Pallé E. , Nixon M. C. , Morello G. , Amado P. J. , Albrecht S. H. , Caballero J. A. , Cifuentes C. , Cochran W. D. , Deeg H. J. , Dreizler S. , Esparza-Borges E. , Fukui A. , Gandolfi D. , Goffo E. , Guenther E. W. , Hatzes A. P. , Henning T. , Kabath P. , Kawauchi K. , Korth J. , Kotani T. , Kudo T. , Kuzuhara M. , Lafarga M. , Lam K. W. F. , Livingston J. , Morales J. C. , Muresan A. , Murgas F. , Narita N. , Osborne H. L. M. , Parviainen H. , Passegger V. M. , Persson C. M. , Quirrenbach A. , Redfield S. , Reffert S. , Reiners A. , Ribas I. , Serrano L. M. , Tamura M. , Van Eylen V. , Watanabe N. , Osorio M. R. Zapatero 
Published: August 2022

Context. Despite being a prominent subset of the exoplanet population discovered in the past three decades, the nature and provenance of sub-Neptune-sized planets is still one of the open questions in exoplanet science.
Aims. For planets orbiting bright stars, precisely measuring the orbital and planet parameters of the system is the best approach to distinguish between competing theories regarding their formation and evolution.
Methods. We obtained 69 new radial velocity observations of the mid-M dwarf G 9–40 with the CARMENES instrument to measure for the first time the mass of its transiting sub-Neptune planet, G 9–40 b, discovered in data from the K2 mission.
Results. Combined with new observations from the TESS mission during Sectors 44, 45, and 46, we are able to measure the radius of the planet to an uncertainty of 3.4% (Rb = 1.900 ± 0.065 R⊕) and determine its mass with a precision of 16% (Mb = 4.00 ± 0.63 M⊕). The resulting bulk density of the planet is inconsistent with a terrestrial composition and suggests the presence of either a water-rich core or a significant hydrogen-rich envelope.
Conclusions. G 9–40 b is referred to as a keystone planet due to its location in period-radius space within the radius valley. Several theories offer explanations for the origin and properties of this population and this planet is a valuable target for testing the dependence of those models on stellar host mass. By virtue of its brightness and small size of the host, it joins L 98-59 d as one of the two best warm (Teq ~ 400 K) sub-Neptunes for atmospheric characterization with JWST, which will probe cloud formation in sub-Neptune-sized planets and break the degeneracies of internal composition models.
Two-Step, One-Pot Pyrrole Synthesis by Iron-Catalyzed ­Carboamination/Copper-Mediated Cyclization
Authors: Murphy Grace K. , Richards Corey A. , Neely Jamie M. , Applegate Seth A. 
Published: August 2022

AbstractHerein we report a method for pyrrole synthesis via iron-catalyzed carboamination/copper-mediated cyclization that is completely regioselective for the formation of 1,2,4-trisubstituted products. This two-step, one-pot process offers significant improvements to previously reported conditions including the use of a readily available copper(I) source and a markedly less arduous experimental procedure. Exploration of the substrate scope reveals a variety of arylacetylenes undergo pyrrole formation to afford single isomer products. Isotopic labelling data points to a mechanism involving activation of the alkyne moiety by the copper(I) reagent during the cyclization step.
Concise Synthesis of N-Aryl Tetrahydroquinolines via a One-Pot Sequential Reduction of Quinoline/Chan–Evans–Lam Coupling ­Reaction
Authors: Das Animesh , Bhattacharyya Dipanjan , Senapati Siddhartha Kumar 
Published: August 2022

AbstractA boronic acid catalyzed one-pot reduction of quinolines with Hantzsch ester followed by N-arylation via external base-free Chan–Evans–Lam coupling has been demonstrated. This step-economical synthesis of N-aryl tetrahydroquinolines has been accomplished from readily available quinoline, Hantzsch ester, and arylboronic acid under mild reaction conditions. The dual role of boronic acid as a catalyst (in the reduction of quinolines) and a reagent (in the N-arylation) has been realized for the first time. The use of an inexpensive N-arylation protocol, aerobic reaction conditions, and functional group diversity are important practical features.
A new
μ
-high energy resolution fluorescence detection microprobe imaging spectrometer at the Stanford Synchrotron Radiation Lightsource beamline 6-2
Authors: Edwards Nicholas P. , Bargar John R. , van Campen Douglas , van Veelen Arjen , Sokaras Dimosthenis , Bergmann Uwe , Webb Samuel M. 
Published: August 2022

Here, we describe a new synchrotron X-ray Fluorescence (XRF) imaging instrument with an integrated High Energy Fluorescence Detection X-ray Absorption Spectroscopy (HERFD-XAS) spectrometer at the Stanford Synchrotron Radiation Lightsource at beamline 6-2. The X-ray beam size on the sample can be defined via a range of pinhole apertures or focusing optics. XRF imaging is performed using a continuous rapid scan system with sample stages covering a travel range of 250 × 200 mm2, allowing for multiple samples and/or large samples to be mounted. The HERFD spectrometer is a Johann-type with seven spherically bent 100 mm diameter crystals arranged on intersecting Rowland circles of 1 m diameter with a total solid angle of about 0.44% of 4π sr. A wide range of emission lines can be studied with the available Bragg angle range of ∼64.5°–82.6°. With this instrument, elements in a sample can be rapidly mapped via XRF and then selected features targeted for HERFD-XAS analysis. Furthermore, utilizing the higher spectral resolution of HERFD for XRF imaging provides better separation of interfering emission lines, and it can be used to select a much narrower emission bandwidth, resulting in increased image contrast for imaging specific element species, i.e., sparse excitation energy XAS imaging. This combination of features and characteristics provides a highly adaptable and valuable tool in the study of a wide range of materials.
Afrikaans English as a Southern Hemisphere English
Authors: Stell Gerald 
Published: August 2022

Abstract
Afrikaans English is seen as connected to White South African English (WSAfE), a Southern Hemisphere English. What
makes Afrikaans-speakers’ English varieties distinctly WSAfE or distinctly Afrikaans in a context that has seen much convergence
between English and Afrikaans? To answer this question, this study looks at experimental English and Afrikaans phonetic data
simultaneously elicited from an informant sample representing three Afrikaans-speaking populations in Namibia, a former dependency
of South Africa: the Afrikaners, Basters, and Coloureds. By comparing the informants’ English and Afrikaans vowels, the study
establishes that their English varieties display unmistakable WSAfE features, especially found among the Whites, while some of
their English vowels co-vary with their nearest Afrikaans equivalents. While generally showcasing the methodological benefits of
bilingual data elicitation, the study concludes that postcolonial L2 English varieties are likely to mirror change-in-progress
occurring in their historical L1 models, even where access to these models becomes disrupted.
Cryptanalysis of RSA with smooth prime sum
Authors: Semmouni Meryem Cherkaoui , Nitaj Abderrahmane , Belkasmi Mostafa 
Published: August 2022

Let N = pq be an RSA modulus with balanced prime factors, that is q < p < 2q. There exist infinitely many integers x, y and z such that ex - ϕ (N ) y = ( p + q -1)z. We show that if the prime sum p + q -1 has only small prime factors and e satisfies an equation of the form ex - ϕ (N ) y = ( p + q -1)z with suitably small integers x, y and Z, then one can factor the RSA modulus in polynomial time. In addition we show that the number of such RSA moduli, as well as the number of exponents that are vulnerable to our attack is non-negligible.
Transient running stability assessment of industrial rotating machinery based on bag of correlated vibration feature representation
Authors: Gui Wei , Chen Xin , Zhou Hao , Yang Shaohua , Lu Guoliang 
Published: August 2022

Abstract
The objective of this paper is to monitor and assess the running stability of industrial machinery operating under transient conditions. A new method called bag of correlated feature representation (BOCFR) is presented in this paper, which aims to extract structural information hidden in the data. At first, the bag-of-words (BoW) model is employed to cluster the collected training samples. For a new observed signal, a correlogram is subsequently constructed with BoW to reflect its dynamic characteristic. Entropy is then calculated, with the aim of periodically analyzing the dynamic characteristics of machine running status over time. Together with BOCFR, a unified framework by means of hypothesis testing is finally proposed, which is evaluated based on simulation scenarios and real-engineering applications: a comparison of results with those of typical techniques demonstrates that the performance of the proposed method is promising.