bluuebunny/crossref_metadata_2025 huggingface dataset:
Ist die kieferorthopädische Korrektur einer wachsenden hyperdivergenten retrognathen Klasse II möglich?
Authors: Buschang Peter H.
Published: September 2020

Ein großer Teil der Klasse-II-Fälle ist retrognath und hyperdivergent. Viele zeigen ein ungünstiges Wachstumsmuster, durch das sich die anteroposterioren, die vertikalen und die transversalen skelettalen Beziehungen immer weiter verschlechtern. Mit den bisherigen Behandlungsstrategien ließen sich zwar die dentalen Beziehungen korrigieren, bei den skelettalen Problemen waren sie jedoch wenig effektiv. Bei der Behandlung der dentalen und der skelettalen Probleme ist es daher wichtig, den Unterkiefer nach vorne zu rotieren, anstatt ihn nach vorne zu überstellen. Eine echte Rotationsbewegung der Mandibula nach vorne, durch die bei wachsenden Kindern hauptsächlich die Projektion des Kinns bestimmt wird, lässt sich am besten durch absolute oder relative Intrusion der Zähne durchführen. Dies führt bei Kindern im Wachstum zu einer stärkeren Kinnprojektion, zu einem verbesserten Skelettprofil, zur Verkleinerung von Grund- und Kieferwinkeln und zur Verringerung der vorderen unteren Gesichtshöhe. Die mit diesem Verfahren erreichten orthopädischen Veränderungen sind vergleichbar mit oder sogar besser als die Ergebnisse, die kieferorthopädisch mit skelettaler Verankerung oder chirurgisch bei Erwachsenen erreicht werden. Das Verfahren scheint außerdem zu stabileren Ergebnissen zu führen als die Behandlung erwachsener Patienten, da hier mit und nicht gegen das Wachstum gearbeitet wird.
„Er hat verstanden, welche Verantwortung er trägt.“
Authors: Brodersen Folke
Published: September 2020

Einleitung Mediale Darstellungen der Pädophilie ändern sich. Im Kontext von therapeutischen und Selbsthilfeangeboten entstehen seit Ende der 2000er-Jahre Repräsentationen kontrollierter Sexualität, die sich von Verwerfungen als „Monster“ und als „Bandenkrimineller“ unterscheiden.

Forschungsziele Der Beitrag untersucht die Struktur und rekonstruiert die Bedingungen und Effekte des medialen Diskurses. Er fragt erstens nach Rhetoriken, die eine andere Repräsentation möglich erscheinen lassen. Zweitens diskutiert er, wie vor dem Hintergrund der historischen Abwertungen und Verwerfungen ein pädophiles Subjekt medial neu bzw. anders konstituiert werden kann.

Methoden Untersuchungsgegenstand sind 33 Print- und audio(-visuelle) Reportagen, die pädophile Teilnehmende an therapeutischen und/oder Selbsthilfeangeboten porträtieren. Diese werden innerhalb der Phänomenstruktur der Grounded Theory analysiert.

Ergebnisse In den medialen Repräsentationen wird Pädophilie ursächlich als Gefahr entworfen und zugleich negiert: Das Potential des sexuellen Kindesmissbrauchs wird ausgewiesen, erscheint aber als nicht zwingende Folge der sexuellen Disposition. Intervenierende Bedingung dafür ist die medizinische Rahmung als überzeitliche, unveränderbare Sexualität, mit der eine prekäre Patho-Normalisierung ebenso wie die Möglichkeit der Kontrolle auf der Handlungsebene einhergeht. Die Problemlösung der sexuellen Kontrolle wird in den Reportagen anhand von drei Subjektpositionen nachgezeichnet: der leidenden Seele auf dem Weg zur Therapie, dem vom eigenen Gewissen verfolgten Empathiker und dem herausgeforderten, sich aber aufopfernden Helden. Gesellschaftlich ergibt sich aus Mitgefühl und rationaler Abwägung eine Aufforderung zur Entstigmatisierung.

Schlussfolgerung Der Beitrag rekonstruiert eine Gegen-Emotionalisierung und technokratische Kontrollversprechen als Entstehungsbedingungen eines neuen legitimen pädophilen Subjekts. Dieses konstituiert ein Gegenbild zu vorherigen Darstellungen, unternimmt eine teilweise Normalisierung und deutet in Teilen Idealisierungen des Pädophilen als Kindern besonders zugewandtem Subjekt an.
Die Gradierung in Bönninghausens Therapeutischem Taschenbuch
Authors: Schipflinger Guntmar , Lucae Christian
Published: September 2020

Die unterschiedliche Gradierung verschiedener Autoren beginnend bei Bönninghausens Therapeutischem Taschenbuch (TB) bis hin zu den verschiedenen Software-Varianten wird tabellarisch gegenübergestellt und ausführlich kommentiert. Die Bedeutung des TB bleibt unbestritten und eine einheitliche Gradierung wäre wünschenswert.
Ausländische Pflegekräfte – GQMG fordert Sprachlevel C1
Authors: Kohrs Jens
Published: September 2020

Das Urteil ist eindeutig: Für die Arbeit in deutschen Krankenhäusern reichen die Sprachkenntnisse, die ausländische Pflegekräfte mitbringen, häufig nicht aus. In einem Positionspapier fordert die Gesellschaft für Qualitätsmanagement in der Gesundheitsversorgung (GQMG) deshalb, die Berufsanerkennung als Pflegefachperson künftig vom Sprachniveau C1 abhängig zu machen.
Asymptomatic Females Are at Higher Risk for Perioperative TIA/Stroke and Males Are at Higher Risk for Long-Term Mortality after Carotid Artery Stenting: A Vascular Quality Initiative Analysis
Authors: Erben Young , Li Yupeng , Da Rocha-Franco Joao A. , Tawk Rabih G. , Barrett Kevin M. , Freeman William D. , Lin Michelle , Huang Josephine F. , Miller David , Farres Houssam , Brott Thomas G. , Meschia James F. , Hakaim Albert G.
Published: September 2020

The study aims to review the sex differences with respect to transient ischemic attack (TIA)/stroke and death in the perioperative period and on long-term follow-up among asymptomatic patients treated with carotid stenting (CAS) in the vascular quality initiative (VQI). All cases reported to VQI of asymptomatic CAS (ACAS) patients were reviewed. The primary end point was risk of TIA/stroke and death in the in-hospital perioperative period and in the long-term follow-up. The secondary end point was to evaluate predictors of in-hospital perioperative TIA/stroke and mortality on long-term follow-up after CAS. There were 22,079 CAS procedures captured from January 2005 to April 2019. There were 5,785 (62.7%) patients in the ACAS group. The rate of in-hospital TIA/stroke was higher in female patients (2.7 vs. 1.87%, p = 0.005) and the rate of death was not significant (0.03 vs. 0.07%, p = 0.66). On multivariable logistic regression analysis, prior/current smoking history (odds ratio = 0.58 [95% confidence interval or CI = 0.39–0.87]; p = 0.008) is a predictor of in-hospital TIA/stroke in females. The long-term all-cause mortality is significantly higher in male patients (26.9 vs. 15.7%, p < 0.001). On multivariable Cox-regression analysis, prior/current smoking history (hazard ratio or HR = 1.17 [95% CI = 1.01–1.34]; p = 0.03), coronary artery disease or CAD (HR = 1.15 [95% CI = 1.03–1.28]; p = 0.009), chronic obstructive pulmonary disease or COPD (HR = 1.73 [95% CI = 1.55–1.93]; p < 0.001), threat to life American Society of Anesthesiologists (ASA) class (HR = 2.3 [95% CI = 1.43–3.70]; p = 0.0006), moribund ASA class (HR = 5.66 [95% CI = 2.24–14.29]; p = 0.0003), and low hemoglobin levels (HR = 0.84 [95% CI = 0.82–0.86]; p < 0.001) are the predictors of long-term mortality. In asymptomatic carotid disease patients, women had higher rates of in-hospital perioperative TIA/stroke and a predictor of TIA/stroke is a prior/current history of smoking. Meanwhile, long-term all-cause mortality is higher for male patients compared with their female counterparts. Predictors of long-term mortality are prior/current smoking history, CAD, COPD, higher ASA classification of physical status, and low hemoglobin level. These data should be considered prior to offering CAS to asymptomatic female and male patients and careful risks versus benefits discussion should be offered to each individual patient.
A New Technique to Puncture and Remove a PTCA Balloon that Fails to Deflate
Authors: Pasamanickam Kannan , Rajadurai Jeyamalar , Choo Gim-Hooi
Published: September 2020

We present the first clinical report and describe the technique of using a modified Heartrail II guiding catheter to successfully puncture and remove a coronary angioplasty balloon that failed to deflate after stent implantation.
In Utero Vertical Transmission of Coronavirus Disease 2019 in a Severely Ill 29-week Preterm Infant
Authors: Gupta Arpit , Malhotra Yogangi , Patil Uday , Muradas Ana R. , Lee William T. , Krammer Florian , Amanat Fatima , Clare Camille A. , Vinod Suja , Ghaly Emad
Published: September 2020

Severe acute respiratory syndrome coronavirus 2 (SARS-Cov-2) or coronavirus disease 2019 (COVID-19) is currently in worldwide pandemic state with very limited data about the mode of transmission to the growing fetus. There are a few published cases of COVID-19 infection in the infants born to COVID-19 positive mothers where most of the reported cases were either mildly symptomatic with positive COVID-19 polymerase chain reaction (PCR) or had negative COVID-19 PCR raising the question of vertical transmission. We present a case of likely intrauterine transmission of COVID-19 infection in a critically ill premature infant born to a COVID-19 infected mother and describing her clinical course thus far. The clinical presentation in the infant is consistent with COVID-19 infection described so far in literature along with positive PCR, and positive COVID-19 serology: immunoglobulin G, immunoglobulin M, and immunoglobulin A.
Registered Nurse Strain Detection Using Ambient Data: An Exploratory Study of Underutilized Operational Data Streams in the Hospital Workplace
Authors: Womack Dana M. , Hribar Michelle R. , Steege Linsey M. , Vuckovic Nancy H. , Eldredge Deborah H. , Gorman Paul N.
Published: September 2020

Background Registered nurses (RNs) regularly adapt their work to ever-changing situations but routine adaptation transforms into RN strain when service demand exceeds staff capacity and patients are at risk of missed or delayed care. Dynamic monitoring of RN strain could identify when intervention is needed, but comprehensive views of RN work demands are not readily available. Electronic care delivery tools such as nurse call systems produce ambient data that illuminate workplace activity, but little is known about the ability of these data to predict RN strain.

Objectives The purpose of this study was to assess the utility of ambient workplace data, defined as time-stamped transaction records and log file data produced by non-electronic health record care delivery tools (e.g., nurse call systems, communication devices), as an information channel for automated sensing of RN strain.

Methods In this exploratory retrospective study, ambient data for a 1-year time period were exported from electronic nurse call, medication dispensing, time and attendance, and staff communication systems. Feature sets were derived from these data for supervised machine learning models that classified work shifts by unplanned overtime. Models for three timeframes —8, 10, and 12 hours—were created to assess each model's ability to predict unplanned overtime at various points across the work shift.

Results Classification accuracy ranged from 57 to 64% across three analysis timeframes. Accuracy was lowest at 10 hours and highest at shift end. Features with the highest importance include minutes spent using a communication device and percent of medications delivered via a syringe.

Conclusion Ambient data streams can serve as information channels that contain signals related to unplanned overtime as a proxy indicator of RN strain as early as 8 hours into a work shift. This study represents an initial step toward enhanced detection of RN strain and proactive prevention of missed or delayed patient care.
Hearing and Neurodevelopmental Outcomes of Young Infants with Parechovirus-A and Enterovirus Meningitis: Cohort Study in Singapore Children and Literature Review
Authors: Lee Elis Yuexian , Tan Jessica Hui Yin , Choong Chew Thye , Tee Nancy Wen Sim , Chong Chia Yin , Thoon Koh Cheng , Maiwald Matthias , Tan Melody Si Shan , Tan Natalie Woon Hui
Published: September 2020

Parechovirus-A (PeV-A) and Enterovirus (EV) commonly cause childhood aseptic meningitis. Bacterial meningitis in children has been associated with devastating long-term sequelae. However, developmental outcomes are unclear in Parechovirus meningitis. This study aims to review the clinical findings and developmental outcomes of infants with PeV-A and EV meningitis. We performed a retrospective study of infants aged 90 days or younger being admitted to our hospital with PeV-A meningitis between November 2015 and July 2017, with positive cerebrospinal fluid (CSF) PeV-A PCR and negative blood and CSF bacterial cultures. Hearing and neurodevelopmental outcomes were compared with a previous cohort of infants aged 90 days or younger with EV meningitis admitted from January 2015 to December 2015. A total of 161 infants were included in our study, of which 68 infants (42.2%) had PeV-A meningitis and 93 infants (57.8%) had EV meningitis. We assessed their developmental outcome at 6 months, 1 year, and 2 years post-meningitis. At 2 years post-meningitis, three infants with PeV-A meningitis had developmental delay (5.5%), whereas none with EV meningitis had developmental delay. One patient had speech delay and autism spectrum disorder, while two had mild speech delay. When compared with our cohort of EV meningitis ≤90 days old, children with PeV-A meningitis ≤90 days old were more likely to have developmental delay 2 years post-meningitis (odds ratio 2.4, 95% confidence interval 2.0–3.0, p = 0.043). None of the patients with PeV-A or EV meningitis had sensorineural hearing loss or neurological sequelae, such as cortical blindness, oropharyngeal dysphagia, hydrocephalus, epilepsy, or cerebral palsy. Infants with PeV-A meningitis had a significant risk of developmental delay 2 years post-meningitis compared with those with EV meningitis. It is important to follow-up the developmental milestones of infants diagnosed with PeV-A meningitis for at least 2 years; and when they develop developmental delay, to ensure that they receive appropriate intervention.
Assessment of an Orthopaedic Templating Software Package for Uncemented Total Hip Arthroplasty
Authors: Newman Michael , Hartwright David
Published: September 2020

The aim of this study was to assess a large, single-surgeon dataset of uncemented total hip arthroplasties that had been templated using software. This assessment compared preoperative templated predictions with what was implanted with regard to (1) femoral prosthesis size and (2) acetabular cup size. The operation notes for two types of uncemented total hip arthroplasty performed by a single surgeon between January 9, 2008, and March 21, 2019, were assessed. The data were refined so that only those that were fully templated on a correctly calibrated pelvic radiograph were included. This provided a total of 153 cases. The predicted software template was compared with actual implanted component sizes. With regard to the femoral stems, the templating software was exactly correct in 45.75% of cases and was accurate to within one size in 87.59% of cases. With regard to the acetabular component, the templating software was exactly correct in 52.94% of cases and was accurate to within one size (2 mm) in 86.94% of cases. Templating software offers an accurate prediction of the size of uncemented femoral and acetabular components. In addition, the benefits of templating include cognitive rehearsal, insight into potentially challenging aspects of surgery, and highlighting intraoperative issues where there is a large intraoperative deviation from what is templated. This study demonstrates the congruence and reproducibility of templating software when compared with other smaller studies performed in the literature.
Expressivism, self-knowledge, and rational agency
Authors: Blackwood Stephen
Published: September 2020

One family of thought about self-knowledge has argued that authoritative self-ascriptions express a form of higher-order knowledge whose special character is explained by the role that knowledge plays in rational agency. In contrast to this “regulative model”, according to Wittgenstein’s treatment of self-knowledge authoritative self-ascription of one’s present-tense mental states is explained by the fact that sincere self-ascriptions express the very states they self-ascribe. The Wittgensteinian account is epistemologically deflationary, and it makes no use of higher-order thought to account for the distinctive features of self-ascriptions. It is argued that the regulative model faces difficulties that both undermine it and reinforce the Wittgensteinian explanation. Making use of ideas from Donald Davidson and Richard Moran, an alternative first-order sketch of rational agency consistent with the expressivist view is offered.
Determinants of happiness among healthcare professionals between 2009 and 2019: a systematic review
Authors: Muthuri Rose Nabi Deborah Karimi , Senkubuge Flavia , Hongoro Charles
Published: September 2020

Happiness is characterized by experiencing positive emotions while simultaneously perceiving one’s life as meaningful and worthwhile. Research on the mental health of healthcare professionals usually focuses on psychopathology as opposed to the positive aspects of mental health. Thus, the purpose of this study is to examine recent literature on individual-level and organization-level determinants of healthcare professionals happiness. The EBSCOhost, PubMed, Scopus, and Web of Science databases were searched for articles published between 2009 and 2019 that focused on happiness among healthcare professionals. Based on the eligibility criteria, both quantitative and qualitative studies were selected for this systematic review. The final review included a total of 18 studies. The main measures of healthcare professionals happiness in cross-sectional and intervention studies were self-report measures, and the main measures of happiness in qualitative studies were interviews. Multiple determinants of healthcare professionals happiness were identified in this systematic review. The interplay between individual-level and organization-level determinants collectively contributes to the happiness of healthcare professionals. Existing evidence highlights the importance of healthcare professionals happiness in the strengthening of the healthcare workforce and healthcare systems. This review also highlights the importance of health policy makers, health authorities and healthcare professionals in creating and effectively implementing policies and strategies to increase healthcare professionals happiness. Future similar studies should use large and more heterogeneous samples of healthcare professionals from various settings to generate contextually relevant and robust evidence regarding methods to enhance healthcare professionals happiness and ultimately the performance of health systems globally.
A rapid resistance measurement system for quartz pendulums
Authors: Xu Bin , Wang Chenyan , Ma Jianglong , Lin Sijian , Tang Bin , Gui Peng , Liu Kai
Published: September 2020

A quartz pendulum, gold plated on both sides, is the core component of a quartz accelerometer. Currently, a two-wire manual measurement method is employed to measure the resistance at 24 key positions on the gold plating to evaluate manufacturing quality. This method is time-consuming and has poor repeatability. In this paper, an automatic measurement system is proposed to measure these 24 resistances. The proposed system consists primarily of a lab-designed holder that clamps the sample, a machine vision unit to measure the sample position, RXY-stages for precise positioning, two lab-designed probes with 48 needles to sense the electrical signals, a multichannel self-switching module to sample the electrical signals from the probe needles, and a 7½-digital multimeter to measure the resistances. In addition, a simple, precise pre-measurement positioning method is introduced here. Experimental results show that the quartz-pendulum resistances can be measured quickly and precisely using the proposed system. The measurement rate of 1 pendulum/min is a factor of 10 faster than the current manual method, the measurement stability error is only 0.9 mΩ (a relative error of 0.13%), and the measurement repeatability error is 1.2 mΩ (a relative error of 0.20%).
Operation of a high-current drive beam electron gun prototype for the Compact Linear Collider
Authors: Pepitone K. , Cassany B. , Doebert S. , Gardelle J. , Garolfi L.
Published: September 2020

The high-average current electron gun low energy electrons from a thermionic cathode at high intensity is the prototype of the drive beam source for the Compact Linear Collider project. The electromagnetic design of the gun was done originally with 2D simulations to minimize the beam emittance for high-current operation (of the order of 8 A) at 140 keV. This paper reports on the first experimental measurements of beam extraction and transport. For the first time, 3D tracking simulations, which take into account precisely the cathode–grid geometry, have been compared with experimental optical transition radiation images of the beam, and we obtained impressive agreement. In addition, we have confirmed that the details of the cathode–grid assembly can impact significantly the beam emittance.
Novel piezoelectric rotary motor on the basis of synchronized switching control
Authors: He Liangguo , Zhang Yong , Wang Yong , Li Xinyu , Chen Jian , Zhao Xiaoyong , Dong Yuge , Ge Xinfang
Published: September 2020

A novel piezoelectric rotary motor (PRM) on the basis of synchronized switching control was designed, fabricated, and tested to achieve high speed, high efficiency, and high torque. The new motor mainly consists of a vibrator working in the resonance state as the driving element of the PRM and a clutch working in the quasi-static state to control the shaft for unidirectional rotation. The finite element method software COMSOL Multiphysics 5.4 was used to design the structure of the motor and determine the feasibility of the design mechanism of the PRM. Moreover, an experimental setup was built to validate the working principles and evaluate the performance of the PRM. The prototype motor outputted a no-load speed of 7.21 rpm and a maximum torque of 54.4 N mm at a vibrator driving voltage of 120 Vp–p and a clutch driving voltage of 200 Vp–p. The motor achieved a net efficiency of 15.6% under the preload torque of 3 N mm. The average stepping angle of the motor with no-load was 0.068°, when the voltages applied to the clutch and the vibrator were 200 Vp–p and 120 Vp–p, respectively, with the frequency of 512 Hz.
Role of intracellular calcium cycling in sinoatrial node myocyte phase-locking
Authors: Fang Yi , Li Keming , Huang Xiaodong
Published: September 2020

The phase-locking behavior of the sinoatrial node (SAN) may be related to heart rate modulation, which can be physically studied from the perspective of nonlinear dynamics. However, previous studies have treated the myocyte as a pure membrane oscillator without considering its intracellular dynamics. Intracellular calcium cycling (ICC) plays a significant part in pacemaking, but its role in phase-locking is unknown. In the present work, we employ an updated SAN myocyte model incorporating ICC to reinvestigate this problem. The influences of ICC-relevant parameters are determined and explained. Some features which did not appear in older models arise in the presence of ICC. Moreover, we employ our previously proposed theoretical formulas to calculate the phase-locking range. The present work sheds light on the impact of sub-cellular-scale dynamics on the classical SAN phase-locking problem and provides some suggestions for regulating the pacemaking activity.
Boundary-dependent corner states in topological acoustic resonator array
Authors: Yang Zhang-Zhao , Peng Yao-Yin , Li Xin , Zou Xin-Ye , Cheng Jian-Chun
Published: September 2020

Higher-order topological insulators (HOTIs) capable of hosting multi-dimensional topological states have been considered as a significant platform for wave regulation. Here, based on a “breathing” kagome lattice composed of coupled tube resonators, we demonstrate the topological phase transition induced by tuning the nearest-neighbor interactions of the tubes. Crucially, beyond the nontrivial bulk polarization, we unveil that the behaviors of the higher-order topological states are also affected by the boundary conditions, which enriches the design of the desired HOTIs. Along these lines, we propose two prototypes of acoustic topological devices and experimentally exhibit two promising applications of the topological corner states for frequency-selected energy harvesting in different conditions. Our work extends the applications of the higher-order topological states in resonant acoustic systems and provides diverse routes for designing topological devices on a subwavelength scale.
Characterizations of the oil film considering the elastohydrodynamic lubrication effect of the piston–cylinder interface
Authors: Chen Xiaojun , Li Feiyue , Haidak Gaston , Wang Dongyun , Li Shenghu
Published: September 2020

To study the oil film performance, a multi-physical coupling model considering the elastohydrodynamic lubrication effect of the piston–cylinder interface is established and verified. The oil film thickness is obtained by solving geometric formulae, and the dynamic pressure model is derived by solving the Reynolds equation. Considering the oil film thickness and pressure distribution of the piston–cylinder interface, the elastic deformation model is solved. Both theoretical and experimental results show that the oil film morphology is influenced by the elastic deformation of the piston surface. The impact of the minimum fluid film thickness and its influence on the piston surface are well analyzed and discussed. When taking elastic deformation into account, the viscous friction reduces greatly, especially during the oil discharging process. Based on the theoretical research, a unique test rig was designed and established for testing and measuring the oil film thickness and the viscous friction of the piston.
Pressure control using stochastic cell rescaling
Authors: Bernetti Mattia , Bussi Giovanni
Published: September 2020

Molecular dynamics simulations require barostats to be performed at a constant pressure. The usual recipe is to employ the Berendsen barostat first, which displays a first-order volume relaxation efficient in equilibration but results in incorrect volume fluctuations, followed by a second-order or a Monte Carlo barostat for production runs. In this paper, we introduce stochastic cell rescaling, a first-order barostat that samples the correct volume fluctuations by including a suitable noise term. The algorithm is shown to report volume fluctuations compatible with the isobaric ensemble and its anisotropic variant is tested on a membrane simulation. Stochastic cell rescaling can be straightforwardly implemented in the existing codes and can be used effectively in both equilibration and production phases.
Mean exit time and escape probability for the Ornstein–Uhlenbeck process
Authors: Zeng Caibin
Published: September 2020

This paper studies the dynamics of the Ornstein–Uhlenbeck process by the deterministic quantities such as the mean exit time and escape probability. By solving the elliptic partial equations, we obtain explicit solutions to both mentioned problems using the special functions. We find that the mean exit time is longer for smaller noise, and the maximum depends on the middle of the given interval. Moreover, the likelihood that the solution orbits exiting the interval from left or right relies on the middle of the interval. The Monte Carlo simulations are carried out to support the obtained results.
Chaos and period-doubling vibration in superconducting levitation systems
Authors: Huang Yi , Li Hui
Published: September 2020

For high-temperature superconducting levitation systems, chaotic vibrations occurred under external disturbance, as shown in previous studies. The electromagnetic characteristic of a high-temperature superconductor (HTSC) plays a crucial role in the dynamic stability of levitated systems. In this article, we numerically investigate the HTSC-PM levitation system in nonlinear motions by the finite element method. We analyzed the displacements, temperature, electromagnetic forces, and magnetic field of the HTSC. The results show that the nonlinear vibration transitions from chaos to period-doubling vibration with the HTSC’s temperature and magnetic field change. Furthermore, we select two states from chaos and period-doubling to analyze the natural frequencies. The results show that the electromagnetic characteristics of the HTSC affect the natural frequency of the system.
Influence of the metastable state (V++) on the electronic properties of SnO2 nanowires under the influence of light
Authors: Costa I. M. , Teodoro M. D. , Zaghete M. A. , Chiquito A. J.
Published: September 2020

In general, the properties of oxide materials are directly related to the formation of defects in their structure. In this work, a correlation between the intrinsic defects of SnO2 nanowires with their optoelectronic and transport properties and the influence of illumination was traced. Photoluminescence experiments revealed that SnO2 nanowires are characterized by three emission centers related to oxygen vacancies, V0+ (red), (V0+)iso (yellow/orange), and V0++ (green), the latter being active only below 100 K. This metastable defect was associated with the anomalous behavior observed in the temperature-dependent resistivity curves of ohmic single-nanowire devices under the influence of light. Two activation energies for a single nanowire in different temperature regions (T < 100 K and T > 100 K) were identified by photocurrent measurements. The activation energy for T < 100 K (7 meV) is consistent with the small value obtained in the photoluminescence experiments for the green-emitting center (3 meV). For the high-temperature region (T > 100 K), a higher activation energy value (220 meV) was observed.
Ionizing radiation and natural constituents of living cells: Low-energy electron interaction with coenzyme Q analogs
Authors: Pshenichnyuk Stanislav A. , Modelli Alberto , Asfandiarov Nail L. , Komolov Alexey S.
Published: September 2020

Resonance electron attachment to short-tail analogs of coenzyme Q10 is investigated in the electron energy range 0 eV–14 eV under gas-phase conditions by means of dissociative electron attachment spectroscopy. Formation of long-lived (milliseconds) molecular negative ions is detected at 1.2 eV, but not at thermal energy. A huge increase in the electron detachment time as compared with the reference para-benzoquinone (40 µs) is ascribed to the presence of the isoprene side chains. Elimination of a neutral CH3 radical is found to be the most intense decay detected on the microsecond time scale. The results give some insight into the timescale of electron-driven processes stimulated in living tissues by high-energy radiation and are of importance in prospective fields of radiobiology and medicine.
Implementation pilot of a novel electronic bedside nursing chart: a mixed-methods case study
Authors: Bail Kasia , Davey Rachel , Currie Marian , Gibson Jo , Merrick Eamon , Redley Bernice
Published: September 2020

The aim of this study was to investigate the implementation of a novel electronic bedside nursing chart in an acute hospital setting. The case study used multiple data sources captured within a real-life clinical ward context. Quantitative findings included significant reductions in nurse-reported missed care (P<0.05) and increased mean time spent at the bedside (from 21 to 28min h−1; P<0.0001); reductions in patient-reported missed care and nurses’ walking distances were not significant. Qualitative themes included: (1) inconsistent expectations (perceptions about potential vs actual functionality and benefits of the technology); (2) decisional conflict between managers and end-user nurses (discordance between governance decisions and clinical operations; 30% of beds were closed and six of the eight trained nurse ‘super-users’ were moved from the pilot ward); and (3) workflow effects (ergonomic set-up of the digital interface). This study highlights the complex challenges of implementing and examining the effects of technology to support nursing care. Shared understanding of the technology goals and project scope in relation to nursing care and flexible and adaptive project and contingency planning are fundamental considerations. Complexity, unpredictability and uncertainty of ‘usual business’ are common confounders in acute hospital settings.
What is known about the topic?Although much has been written about the implementation of electronic records into hospital systems, there is little research evaluating the effect of information technology systems that support the complex clinical decision making and documentation required to meet nurse and patient needs at the point of care.
What does this paper add?This study highlights the potential to reduce missed care through better nursing workflow. Contributing factors to low nurse adoption of new technology have been identified, including inconsistent expectations and goals for the design of systems to support quality nursing care, incongruous decision making in design, adaptation and implementation processes and constrained physical workability in relation to nursing workflow.
What are the implications for practitioners?The design of information systems to support nursing work requires a shared understanding of ‘good practice’ for high-quality nursing care that is consistent with theories of nursing practice, best evidence and professional practice standards. Recognition of effective and ineffective sociotechnical interactions that occur during complex nursing processes can help avoid ‘disruption without benefit’ and ‘amplification of errors already in the system’ during acute care technology implementation. Ongoing dynamic input from individuals and groups with different expertise and perspectives, as well as iterative, generative processes for moving towards a shared goal, are critical for effective and efficient implementation.
Understanding the Mechanism of Activation/Deactivation of GLP-1R via Accelerated Molecular Dynamics Simulation
Authors: Xiao Xiuchan , Qin Miao , Zhang Fuhui , Su Yan , Zhou Bo , Zhou Zheng
Published: September 2020

Glucagon-like peptide-1 receptor (GLP-1R), as a member of the class B G protein-coupled receptors (GPCRs), plays a crucial role in regulating blood glucose level signal recognition through its activation. The conformation changes during the activation pathway are of particular importance for its function. To investigate the activation mechanism of GLP-1R, the crystal structures of active and inactive forms are chosen to perform a total of 2 μs of accelerated molecular dynamics (aMD) simulations and 400ns of conventional molecular dynamics (cMD) simulations. With the aid of structural analysis and potential of mean force (PMF) calculations, we reveal the role of different helices in the activation and deactivation process and obtain the intermediate states during activation and deactivation that are difficult to capture in experiments. Protein structure network (PSN) was utilised to clarify the allosteric communication pathways of activation and deactivation and reveal the mechanisms of its activation and deactivation. The results could advance our understanding of the activation mechanism of GLP-1R and the related drug design.
Nanaerobic growth enables direct visualization of dynamic cellular processes in human gut symbionts
Authors: García-Bayona Leonor , Coyne Michael J. , Hantman Noam , Montero-Llopis Paula , Von Salena S. , Ito Takeshi , Malamy Michael H. , Basler Marek , Barquera Blanca , Comstock Laurie E.
Published: September 2020

Significance

Despite recent technological advances to study the human gut microbiota, we still lack a facile system to image dynamic cellular processes in most abundant gut species due to the requirement of oxygen for chromophore maturation of commonly used fluorescent proteins. Here, we took advantage of the ability of anaerobes of the gut microbiota to respire aerobically and grow robustly at 0.10 to 0.14% oxygen. This physiologic concentration of oxygen is sufficient for fluorescent proteins to mature, allowing for visualization of biological processes never before imaged in these bacteria. This advance will allow for numerous types of analyses in actively growing “nanaerobic” gut bacteria including subcellular protein localizations, single-cell analyses, biofilm imaging, and protein interactions with other microbes and the host.
Reconstruction of the birth of a male sex chromosome present in Atlantic herring
Authors: Rafati Nima , Chen Junfeng , Herpin Amaury , Pettersson Mats E. , Han Fan , Feng Chungang , Wallerman Ola , Rubin Carl-Johan , Péron Sandrine , Cocco Arianna , Larsson Mårten , Trötschel Christian , Poetsch Ansgar , Korsching Kai , Bönigk Wolfgang , Körschen Heinz G. , Berg Florian , Folkvord Arild , Kaupp U. Benjamin , Schartl Manfred , Andersson Leif
Published: September 2020

Significance

Understanding the evolution of sex determination mechanisms and sex chromosomes is of fundamental importance in biology. Here we have reconstructed the evolution of the sex-determining region in the Atlantic herring. The region is small and contains only three intact genes. The candidate sex-determining factor
BMPR1BBY
is an evolutionary innovation in the herring lineage. It encodes a truncated form of a BMP type I receptor, which originated by gene duplication and underwent rapid protein evolution. The receptor has maintained its kinase activity and has the potential to induce development of testis. The other two genes in the sex-determining region,
CATSPERG
and
CATSPER3Y
, are male beneficial genes because they encode proteins predicted to be essential for sperm to fertilize the egg.
Exploring deaf sign language interpreting students’ experiences from joint sign language interpreting programs for deaf and hearing students in Finland
Authors: Skaten Ingeborg , Urdal Gro Hege Saltnes , Tiselius Elisabet
Published: September 2020

Integrated university programs for deaf and hearing sign language interpreting students are rare. In Finland, deaf interpreting students have been integrated in the only university program for sign language interpreting since its beginning in the early 2000s. This article investigates the experiences of the deaf interpreting students and deaf sign language interpreters (n = 5) who attend and have attended the program. We analyzed interview responses using critical discourse analysis and the concept of identity construction, and found that deaf interpreting students, despite some disadvantages, benefited from the integrated program. We also found three identity positions – competent deaf identity, student identity, and professional DI identity – and support for recognition (Honneth 1996) in both the solidarity and legal sphere developed through the program.
Paratext as weapon
Authors: Sicari Ilaria
Published: September 2020

Although the selection and publication of foreign literature in the USSR was subject to state control, many foreign works were able to reach the Soviet reader, thanks to the clever strategies employed by editors, literary advisers, critics, and translators. This was particularly true in the case of foreign literature written by Western authors, which underwent more rigorous control and often required incisive cultural and ideological domestication in order to comply with the aesthetics of the Soviet literary canon. Through the analysis of a corpus of published and unpublished Soviet critical texts, this article sheds new light on the Soviet system of cultural production by taking into account the strategies implemented, at different levels, by cultural operators, and in particular by critics. This article focuses on the Soviet reception of Western anti-mimetic novels by Italo Calvino and Kurt Vonnegut, illustrating the strategies of critical domestication to which they were subjected.
Retraction: Forecasting Electric Load Demand through Advanced Statistical Techniques (Journal of Physics: Conference Series
1432 012031)
Authors: Silva Jesús , Naveda Alexa Senior , Guliany Jesús García , Núñez William Niebles , Palma Hugo Hernández
Published: September 2020

Published 15 September 2020

This article, and others within this volume, has been retracted by IOP Publishing following clear evidence of plagiarism and citation manipulation.

This work was originally published in Spanish (1) and has been translated and published without permission or acknowledgement to the original authors. IOP Publishing Limited has discovered other papers within this volume that have been subjected to the same treatment. This is scientific misconduct.

Misconduct investigations are ongoing at the author’s institutions. IOP Publishing Limited will update this notice if required once those investigations have concluded. To date, there is no evidence to suggest anyone other than Amelec Viloria / Jesus Silva was directly culpable for the actions that led to retraction.

IOP Publishing Limited request any citations to this article be redirected to the original work (1).

Anyone with any information regarding these papers is requested to contact jpconf@ioppublishing.org.
Retraction: Temporary Variables for Predicting Electricity Consumption Through Data Mining (Journal of Physics: Conference Series
1432 012033)
Authors: Silva Jesús , Naveda Alexa Senior , Palma Hugo Hernández , Núñez William Niebles , Núñez Leonardo Niebles
Published: September 2020

Published 15 September 2020

This article, and others within this volume, has been retracted by IOP Publishing following clear evidence of plagiarism and citation manipulation.

This work was originally published in Spanish as part of a thesis (1) and has been translated and published without permission or acknowledgement to the original authors. IOP Publishing Limited has discovered other papers within this volume that have been subjected to the same treatment. This is scientific misconduct.

Misconduct investigations are ongoing at the author’s institutions. IOP Publishing Limited will update this notice if required once those investigations have concluded. To date, there is no evidence to suggest anyone other than Amelec Viloria / Jesus Silva was directly culpable for the actions that led to retraction.

IOP Publishing Limited request any citations to this article be redirected to the original work (1).

Anyone with any information regarding these papers is requested to contact conferenceseries@ioppublishing.org.
Retraction: Using Big Data to Determine Potential Dropouts in Higher Education (Journal of Physics: Conference Series
1432 012077)
Authors: Viloria Amelec , Naveda Alexa Senior , Palma Hugo Hernández , Núñez William Niebles , Núñez Leonardo Niebles
Published: September 2020

Published 15 September 2020

This article, and others within this volume, has been retracted by IOP Publishing following clear evidence of plagiarism and citation manipulation.

This work was originally published in Spanish (1) and has been translated and published without permission or acknowledgement to the original authors. IOP Publishing Limited has discovered other papers within this volume that have been subjected to the same treatment. This is scientific misconduct.

Misconduct investigations are ongoing at the author’s institutions. IOP Publishing Limited will update this notice if required once those investigations have concluded. To date, there is no evidence to suggest anyone other than Amelec Viloria / Jesus Silva was directly culpable for the actions that led to retraction.

IOP Publishing Limited request any citations to this article be redirected to the original work (1).

Anyone with any information regarding these papers is requested to contact conferenceseries@ioppublishing.org.
Angular zone of influence for fusion and direct reactions on elastic scattering of 6Li with 58Ni, 59Co, 64Ni, and 64Zn
Authors: Aguilera E F , Torabi F
Published: September 2020

Recently, a systematic study of fusion and elastic scattering data was performed for the 6Li + (58Ni, 59Co, 64Ni, 64Zn) systems. Appropriate polarization potentials satisfying the dispersion relation were extracted, which can be associated to fusion and direct reaction couplings, respectively. By examining the relative strengths of the corresponding absorptive parts, a semiclassical analysis can be carried out which gives an indication about the angular range where direct (fusion) reactions are more important in determining the elastic scattering angular distributions. The results of such an analysis are presented for all four systems. The developed method is useful to explore the sensitivity of the elastic scattering angular distributions to the radial details of the phenomenological optical model potential. An example is presented where large sensitivity to distances smaller than the Coulomb barrier radius is evident.
Recent results on heavy-ion direct reactions of interest for 0νββ decay at INFN - LNS
Authors: Cavallaro M. , Acosta L. , Adsley P. , Agodi C. , Altana C. , Amador-Valenzuela P. , Auerbach N. , Barea J. , Bellone J. I. , Bijker R. , Borello-Lewin T. , Boztosun I. , Branchina V. , Brasolin S. , Brischetto G. A. , Brunasso O. , Burrello S. , Campajola L. , Calabrese S. , Calabretta L. , Calvo D. , Capirossi V. , Cappuzzello F. , Carbone D. , Charon Garcia L. E. , Chávez Lomeli E. R. , Chen R. , Ciraldo I. , Colonna M. , Cutuli M. , D’Agostino G. , Delaunay F. , Deshmukh N. , Djapo H. , Gambacurta D. , De Geronimo G. , De Los Rìos K. , Eke C. , Ferraresi C. , Ferreira J. L. , Ferretti J. , Finocchiaro P. , Firat S. , Fisichella M. , Flechas Garcia D.C. , Foti A. , Gandolfo E. , Garcia-Tecocoatzi H. , Hacisalihoglu A. , Huerta-Hernandez A. , Kotila J. , Kucuk Y. , Iazzi F. , Jivan H. , Lanzalone G. , Lay J. A. , La Fauci L. , La Via F. , Lenske H. , Linares R. , Lubian J. , Ma J. , Marin-Lámbarri D. , Mas Ruiz J. , Medina N. H. , Mendes D. R. , Mereu P. , Moralles M. , Neri L. , Neveling R. , Oliveira J. R. B. , Pakou A. , Pandola L. , Pellegri L. , Petrascu H. , Pietralla N. , Pinna F. , Reito S. , Ries P. C. , Russo A. D. , Russo G. , Santopinto E. , Santos R. B. B. , Serbina L. , Sgouros O. , da Silveira M. A. G. , Solakci S. O. , Souliotis G. , Soukeras V. , Spatafora A. , Torresi D. , Tudisco S. , Vargas Hernandez H. , Vsevolodovna R. I. M. , Wang J. , Werner V. , Yang Y. , Yildirin A. , Zagatto V. A. B.
Published: September 2020

Neutrinoless double beta decay of nuclei, if observed, would have important implications on fundamental physics. In particular it would give access to the effective neutrino mass. In order to extract such information from 0νββ decay half-life measurements, the knowledge of the Nuclear Matrix Elements (NME) is of utmost importance. In this context the NUMEN and the NURE projects aim to extract information on the NME by measuring cross sections of Double Charge Exchange reactions in selected systems which are expected to spontaneously decay via 0νββ. In this work an overview of the experimental challenges that NUMEN is facing in order to perform the experiments with accelerated beams and the research and development activity for the planned upgrade of the INFN-LNS facilities is reported.