bluuebunny/crossref_metadata_2025 huggingface dataset:
Persistent Turbulence in the Samoan Passage
Authors: Cusack Jesse M. , Voet Gunnar , Alford Matthew H. , Girton James B. , Carter Glenn S. , Pratt Larry J. , Pearson-Potts Kelly A. , Tan Shuwen
Published: October 2019

Abyssal waters forming the lower limb of the global overturning circulation flow through the Samoan Passage and are modified by intense mixing. Thorpe-scale-based estimates of dissipation from moored profilers deployed on top of two sills for 17 months reveal that turbulence is continuously generated in the passage. Overturns were observed in a density band in which the Richardson number was often smaller than ¼, consistent with shear instability occurring at the upper interface of the fast-flowing bottom water layer. The magnitude of dissipation was found to be stable on long time scales from weeks to months. A second array of 12 moored profilers deployed for a shorter duration but profiling at higher frequency was able to resolve variability in dissipation on time scales from days to hours. At some mooring locations, near-inertial and tidal modulation of the dissipation rate was observed. However, the modulation was not spatially coherent across the passage. The magnitude and vertical structure of dissipation from observations at one of the major sills is compared with an idealized 2D numerical simulation that includes a barotropic tidal forcing. Depth-integrated dissipation rates agree between model and observations to within a factor of 3. The tide has a negligible effect on the mean dissipation. These observations reinforce the notion that the Samoan Passage is an important mixing hot spot in the global ocean where waters are being transformed continuously.
Racial Ideology between Fascist Italy and Nazi Germany: Julius Evola and the Aryan Myth, 1933–43
Authors: Staudenmaier Peter
Published: October 2019

One of the troublesome factors in the Rome–Berlin Axis before and during the Second World War centered on disagreements over racial ideology and corresponding antisemitic policies. A common image sees Fascist Italy as a reluctant partner on racial matters, largely dominated by its more powerful Nazi ally. This article offers a contrasting assessment, tracing the efforts by Italian theorist Julius Evola to cultivate a closer rapport between Italian and German variants of racism as part of a campaign by committed antisemites to strengthen the bonds uniting the fascist and Nazi cause. Evola's spiritual form of racism, based on a distinctive interpretation of the Aryan myth, generated considerable controversy among fascist and Nazi officials alike. In light of the current revival of interest in Evola, a closer examination of these debates can deepen historical understanding of racial ideologies from the fascist era.
Effectiveness and Safety of Minimally Invasive Orthodontic Tooth Movement Acceleration: A Systematic Review and Meta-analysis
Authors: Fu T. , Liu S. , Zhao H. , Cao M. , Zhang R.
Published: October 2019

Doctors and patients attempt to accelerate orthodontic tooth movement with a minimally invasive surgery approach. The purpose of this systematic review was to evaluate the evidence of accelerated tooth movement in minimally invasive surgery and the adverse effects from it. A systematic search of the literature was performed in the electronic databases of PubMed, CENTRAL (Cochrane Central Register of Controlled Trials), Embase, Scopus, Web of Science, Science Direct, and Medline and was complemented by a manual search until February 2019. The inclusion criteria were prospective clinical studies of patients treated with a fixed appliance, and the intervention was accelerated orthodontic treatment with minimally invasive surgery. Nineteen articles (538 participants) were included in the review: 9 studies assessed the rate of upper canine movement; 5 considered the treatment time; 1 evaluated the en masse retraction time; and 4 studied adverse effects. We performed a meta-analysis for the rate of canine movement and treatment time and described the results for the adverse effects in a systematic review. The results of the subgroup analysis according to micro-osteoperforation and piezocision were included in the study. No accelerated tooth movement was found in the micro-osteoperforation group. After flapless corticotomy procedures, increased tooth movement rates were identified by weighted mean differences of 0.63 (95%CI = 0.22, 1.03, P = 0.003) and 0.64 (95% CI, −25 to 1.53; P = 0.16) for 1 and 2 mo, respectively. The mean treatment time was 68.42 d (95% CI, −113.19 to −23.65; P = 0.003) less that than for minimally invasive surgery. Moreover, no significant adverse effect was found. Because of the high heterogeneity of the meta-analysis, the results must be validated by additional large-sample multicenter clinical trials. There is not sufficient evidence to support that the single use of micro-osteoperforation could accelerate tooth movement, and there is only low-quality evidence to prove that flapless corticotomy could accelerate tooth movement.
The in-plane crashworthiness of multi-layer regularly arranged circular honeycombs
Authors: Sun Deqiang , Li Guozhi , Sun Yujin
Published: October 2019

The in-plane crashworthiness of multi-layer regularly arranged circular honeycombs are investigated numerically at v = 1–250 m/s, with aim to disclose the influences of t/ R ratio and crushing velocity, v. A novel evaluation methodology of crashworthiness and a new mechanical term, most appropriate strain, are put forward, which results in some new evaluation parameters. The theoretical analysis shows the most appropriate strain is a significant parameter for measuring the crashworthiness. Different deformation modes cause different change rules of these evaluation parameters. Under the quasi-static homogeneous mode and transition mode, the most appropriate strain is linear with the t/ R ratio for a given v; the crushing force efficiency is approximately independent of t/ R and sensitive to the v; the maximum energy absorption efficiency roughly decreases and then fluctuates. With the increase of v, the crushing force efficiency first becomes smaller sharply, and then fluctuates. Under dynamic mode, the maximum energy absorption efficiency is nearly constant for a given t/ R ratio. Based on the finite element results, the empirical expressions of all evaluation parameters are given. The finite element calculated results of optimal specific energy absorption are consistent with those calculated by empirical expressions, which validates all empirical expressions.
Gambling, Status Anxiety and Inter-Generational Social Mobility: Findings from the Mass Observation Archive
Authors: Casey Emma
Published: October 2019

This article is located within sociological research exploring the subjective experiences and emotional consequences of social mobility in the UK. It adds to recent attempts to examine the role of everyday cultural practices in making sense of journeys of upward mobility. The article draws on these theoretical advancements and applies them to a case study of everyday gambling practices using qualitative data ( N = 24) collected from the Mass Observation Archive. The article represents one of the first attempts to examine the connections between social mobility and gambling. It draws on sociological research that explores the cultural as well as the economic underpinnings of social mobility and connects this to research examining the inter-relationships between gambling and class. By doing so, it aims to present a novel theoretical approach to the study of gambling as everyday consumer practice; one which can be understood alongside broader cultural and structural inequalities of class.
Market Economy Lives, Socialist Death: Contemporary Commemorations in Urban China
Authors: Liu Huwy-min Lucia
Published: October 2019

Based on ethnographic fieldwork in funeral parlors in Shanghai in 2010 and 2011, this article finds that regardless of how they lived, urban Chinese in Shanghai today are mainly commemorated in “memorial meetings” 追悼会. By analyzing what memorial meetings are through examining the modernist emotional expression and bodily movements as well as socialist narratives in these rituals, this article shows that memorial meetings transform dead bodies into proper persons—socialist citizen subjects—posthumously. This is possible because of the rehabilitating power that this ritual acquired during the Cultural Revolution. However, the Chinese government has been discouraging people from having memorial meetings since the beginning of its economic reforms. Consequently, performing memorial meetings in this contemporary context creates a moment of disjuncture by providing people with a chance to reflect on what being a citizen in China means today. Such dissonance allows people to momentarily recognize alternatives to their market-driven daily life.
High order robust fast finite time containment control for multi-agent systems
Authors: Fattahi Ali , Zekri Maryam , Danesh Mohammad
Published: October 2019

This paper studies the problem of robust containment with trivial sensitivity to both initial conditions and communication topology for multi-agent systems. In this way, based on the homogeneity property of the dynamic systems, a new nonlinear high order sliding surface for containment problem is proposed. This sliding surface has a fast finite time dynamics which causes remarkably reduction of containment sensitivity to the multi-agent initial conditions and communication topology. Accordingly, a high order fast finite time containment control (HOFFT-CC) protocol is established and the containment of multiple agents to a convex hull is realized. The proposed framework solves the fast containment problem for high order dynamics that are subjected to the external disturbance and furthermore, for both directed and undirected graph topology. Moreover, because of decoupling the agents’ dynamics and converting the multi-agent problem to some single agent problems, the structure of the proposed method is simpler and more straightforward in comparison with previous works. The finite time stability of the closed loop multi-agent systems based on the homogeneity theory and Lyapunov theorem, is analyzed and proved. The proof is produced throughout the negative degree homogeneity property of the closed loop dynamics along with asymptotical stability. In addition, simulation for a general third order multi-agent system in a two-dimensional space is accomplished and the results demonstrate the trivial sensitivity of containment to both initial conditions and communication topology.
Current cycle feedback iterative learning control for tracking control of magnetic levitation system
Authors: Jonnalagadda Vimala Kumari , Elumalai Vinodh Kumar , Agrawal Shantanu
Published: October 2019

This paper presents the current cycle feedback iterative learning control (CCF-ILC) augmented with the modified proportional integral derivative (PID) controller to improve the trajectory tracking and robustness of magnetic levitation (maglev) system. Motivated by the need to enhance the point to point control of maglev technology, which is widely used in several industrial applications ranging from photolithography to vibration control, we present a novel CCF-ILC framework using plant inversion technique. Modulating the control signal based on the current tracking error, CCF-ILC reduces the dependency on accurate plant model and significantly improves the robustness of the closed loop system by synthesizing the causal filters to counteract the effect of model uncertainty. To assess the stability, we present a maximum singular value based criterion for asymptotic stability of linear iterative system controlled using CCF-ILC. In addition, we prove the monotonic convergence of output sequence in the neighbourhood of reference trajectory. Finally, the proposed control framework is experimentally validated on a benchmark magnetic levitation system through hardware in loop (HIL) testing. Experimental results substantiate that synthesizing CCF-ILC with the feedback controller can significantly improve the trajectory tracking and robustness characteristics of maglev system.
The guaranteed cost controller for nonlinear systems with time-varying parameters and input saturation
Authors: Zhu Pingfang , Wang Jingyao , Zeng Jianping
Published: October 2019

This paper investigates the uniformly asymptotically/exponentially stable guaranteed cost control problem for a class of nonlinear systems with time-varying parameters and input saturation. The nonlinearities and the time-varying nature of these systems render it quite challenging to solve the guaranteed cost control problem. This paper presents a new Lyapunov functional and a novel controller structure as nonlinear and parameter-varying forms incorporating the state, the time-varying parameters and its derivative. Based on Lyapunov stability theory, the solvable conditions for the existence of guaranteed cost controllers are obtained in terms of state-and-parameter-dependent linear matrix inequalities, which can be efficiently solved via sum-of-squares convex programming. Finally, the effectiveness of the proposed method is demonstrated by the conversion flight control of a tilt rotor aircraft.
Model-based model predictive control for a direct-driven permanent magnet synchronous generator with internal and external disturbances
Authors: Shengquan Li , Juan Li , Yongwei Tang , Yanqiu Shi , Wei Cao
Published: October 2019

This paper deals with the critical issue in a direct-driven permanent magnet synchronous generator (PMSG)-based wind energy conversion system (WECS): the rejection of internal and external disturbances, including the uncertainties of external environment, rapid wind speed changes in the original parameters of the generator caused by mutative operating conditions. To track the maximum power, a maximum power point tracking strategy based on model predictive controller (MPC) is proposed with extended state observer (ESO) to attenuate the disturbances and uncertainties. In real application, system inertia and the system parameters vary in a wide range with variations of wind speeds and disturbances, which substantially degrade the maximum power tracking performance of wind turbine. The MPC design should incorporate the available model information into the ESO to improve the control efficiency. Based on this principle, a model-based MPC with ESO control structure is proposed in this paper. Simulation study is conducted to evaluate the performance of the proposed control strategy. It is shown that the effect of internal and external disturbances is compensated in a more effective way compared with the ESO-based MPC approach and traditional proportional integral differential (PID) control method.
Shaming and democracy: Explaining inter-state shaming in international organizations
Authors: Koliev Faradj
Published: October 2019

Why do some states name and shame norm-violating states while other states abstain? Inter-state naming and shaming is typically viewed as a political tool to punish adversaries and reward allies. In this study, I propose a regime-type explanation for inter-state shaming in international politics. I pose two interrelated questions. First, are democracies more prone to condemn norm violations than non-democratic countries? Second, are democracies likely to shame each other in cases of norm violations? In search of answers to these questions, I use a unique dataset on inter-state shaming the International Labour Organization (ILO) for the period 1991–2011. In line with my main argument, the results suggest that democracies are more likely than non-democracies to engage in the shaming of norm violators, while providing no evidence for special relations between democracies. In addition, this study unpacks other factors influencing the inter-state shaming. The findings have implications for how we understand state interactions in international politics.
Nonoperative Treatment of Elbow Ulnar Collateral Ligament Injuries With and Without Platelet-Rich Plasma in Professional Baseball Players: A Comparative and Matched Cohort Analysis
Authors: Chauhan Aakash , McQueen Peter , Chalmers Peter N. , Ciccotti Michael G. , Camp Christopher L. , D’Angelo John , Potter Hollis G. , Fealy Stephen A. , Erickson Brandon J. , Hoenecke Heinz R. , Keefe Daniel , McCauley Julie , Fronek Jan
Published: October 2019

Background:

Recent studies evaluating nonoperative treatment of elbow ulnar collateral ligament (UCL) injuries augmented with platelet-rich plasma (PRP) have shown promising results. To date, no comparative studies have been performed on professional baseball players who have undergone nonoperative treatment with or without PRP injections for UCL injuries.

Hypothesis:

Players who received PRP injections would have better outcomes than those who did not receive PRP.

Study Design:

Cohort study; Level of evidence, 3.

Methods:

The Major League Baseball (MLB) Health and Injury Tracking System identified 544 professional baseball players who were treated nonoperatively for elbow UCL injuries between 2011 and 2015. Of these, 133 received PRP injections (PRP group) before starting their nonoperative treatment program, and 411 did not (no-PRP group). Player outcomes and a Kaplan-Meier survival analysis were compared between groups. In addition, to reduce selection bias, a 1:1 matched comparison of the PRP group versus the no-PRP group was performed. Players were matched by age, position, throwing side, and league status: major (MLB) and minor (Minor League Baseball [MiLB]). A single radiologist with extensive experience in magnetic resonance imaging (MRI) interpretation of elbow injuries in elite athletes analyzed 243 MRI scans for which images were accessible for tear location and grade interpretation.

Results:

Nonoperative treatment of UCL injuries resulted in an overall 54% rate of return to play (RTP). Players who received PRP had a significantly longer delay in return to throwing ( P < .001) and RTP ( P = .012). The matched cohort analysis showed that MLB and MiLB pitchers in the no-PRP group had a significantly faster return to throwing ( P < .05) and the MiLB pitchers in the no-PRP group had a significantly faster RTP ( P = .045). The survival analysis did not reveal significant differences between groups over time. The use of PRP, MRI grade, and tear location were not statistically significant predictors for RTP or progression to surgery.

Conclusion:

In this retrospective matched comparison of MLB and MiLB pitchers and position players treated nonoperatively for a UCL tear, PRP did not improve RTP outcomes or ligament survivorship, although there was variability with respect to PRP preparations, injection protocols, time from injury to injection, and rehabilitation programs. MRI grade and tear location also did not significantly affect RTP outcomes or progression to surgery.
Spillover Effects of US Monetary Policy on Banking Development: Evidence from the Asian Region
Authors: Almahadin Hamed Ahmad
Published: October 2019

This study investigates the dynamic impacts of local interest rate volatility and the spillover effects of the US policy rate on the banking development of Asian countries from 1980 to 2015. Bounds testing within the autoregressive distributed lag (ARDL) framework is employed to explore the long-term and short-term impacts. In addition, the study adopts a principal components analysis to create a comprehensive index for banking development to capture the major dimensions of the banking development concept. The empirical findings indicate that local interest rate volatility has negative impacts on the banking industry of Asian countries. Moreover, the existence of the negative spillover impact of the US policy rate on the banking development proxy is revealed in the sampled countries. These impacts continue to play a significant role in dampening the path of banking sector development. Therefore, the banking industry of Asian countries seems to be vulnerable to interest rate risk. The results could provide important implications for policymakers to improve the banking systems of Asian economies. Bankers must consider the impacts of local interest rate policies, as well as the role of US interest rates.
Determining Risk Factors that Diminish Asset Quality of Indian Commercial Banks
Authors: Swami Onkar Shivraj , Nethaji B. , Sharma Jyoti Prakash
Published: October 2019

Controlling higher level of non-performing loans (NPLs) has become one of the key objectives of the Reserve Bank of India (RBI), as it may impact banking and macroeconomic stability adversely. In this respect, the present study tries to determine risk factors that diminish asset quality of Indian commercial banks in and around the asset quality review period. Pooled and panel logit model has been employed to examine the determinants of NPLs. We find that banks with lower level of capital, reduced profitability, less diversified portfolio, poor operating and managerial efficiency are at greater risk of having diminished asset quality, whereas the size of the bank is positively linked with the higher level of NPAs. In general, empirical analysis proposes that to identify the bank whose asset quality is likely to deteriorate well in advance, the Regulatory and Supervisory Department of the Central Bank may consider lower level of capital, deteriorating profitability and poor operational efficiency as a leading indicator.
Sustainable Supply Chain Activities and Financial Performance: An Indian Experience
Authors: Mann Bikram Jit Singh , Kaur Harmeet
Published: October 2019

The purpose of the article is to study the impact of sustainable supply chain management (SSCM) on the financial performance of the firms in India. The empirical analysis used data from the top 100 listed companies by market capitalization on BSE. Content analysis is conducted to analyse the principle ‘life cycle sustainability of goods and services’. Hierarchical linear regression is used to test the hypotheses. The results reveal that sustainable sourcing and resource utilization are the two SSCM activities that have a significant positive impact on the financial performance of the firm. The article offers insights for focusing on the activities that increase the shareholder value. It is the initial study that has focused on the sustainable supply chain activities at the micro level as mandated by the regulators of sustainability reporting and studies the impact of such activities on the financial performance of the Indian firms.
Impact of Share Splits on Stock Returns: Evidences from India
Authors: Pandow Bilal Ahmad , Butt Khurshid Ahmad
Published: October 2019

This article empirically examines the impact of stock splits on the price movements and returns of the scrips listed on the stock market in India. The study makes use of the standard event study methodology to measure the significance of unusual yield associated with the event. To calculate the returns, the study employs market model. Also, it uses parametric tests, such as t-statistic, and non-parametric test, such as Corrado Rank Test, Generalized Rank Test and Sign Test, to check the significance and robustness of abnormal return (AR), average AR, and cumulative average AR. Indisputably, the results are somewhat different from the evidences found in developed markets. Mostly in these countries, the event witnesses unusual optimistic yields. The results suggest that there is a positive AR adjacent to the effective day (ED) of the event in the short run. However, in the long run, negative ARs in the post-effective to ED+90 days window is witnessed. Further, the analysis also suggests that share splits do not have a positive influence on the share capital of the investors. The results are based on the 10-days event and 90-days estimation window and are the main limitation of the study. Hence, the windows can be both expanded and reduced to have a better holistic impact analysis of the share splits and stock returns of the selected firms.
Baseline and clinical characteristics of older adults admitted to the intensive care unit through the emergency room: Analysis based on age groups
Authors: Lee Ye Lim , Ha Sang Ook , Park Young Sun , Yi Jeong Hyeon , Hur Sun Beom , Lee Ki Ho , Hong Ki Yong , Sin Ju Young , Kim Duk Hwan , Cha Jun Kwon , Kim Jin Hyuck
Published: October 2019

Background and Objectives:

There is currently no consensus on the criteria for admitting older adults to the intensive care unit.

Methods:

This single-center retrospective study evaluated the baseline and clinical characteristics of older adults admitted to the intensive care unit between January 2017 and June 2017; patients were analyzed according to their age group. Factors associated with in-hospital mortality were specifically determined using logistic regression analysis.

Results:

Among 582 patients included in the present study, 34.2%, 46.6%, and 19.2% were aged 65–74, 75–84, and over 84 years, respectively. In terms of clinical outcomes, although there were no significant differences in the length of intensive care unit and hospital stay and intensive care unit mortality, significant differences were observed in terms of in-hospital mortality, hospital discharge disposition, and neurologic outcomes at discharge ( p = 0.039, p = 0.005, and p = 0.032, respectively). Predictive factors for in-hospital mortality were age (⩾85 years), initial mental status (stupor to coma), a Korean Triage and Acuity Scale level of 1, underlying diagnosis of cancer, abdominal pain or discomfort, apnea, and a chief compliant of dyspnea.

Conclusion:

Compared to those aged 65–84 years, in-hospital mortality was 1.96-fold higher in those aged over 84 years. However, the overall mortality in our cohort was not considerably different from that of the younger population. Intensive care unit admission should be considered in selected older adults after evaluating the risk factors for mortality.
Participation in Decision Making and Affective Trust Among the Teaching Staff: A 2-Year Cross-Lagged Structural Equation Modeling During Implementation Reform
Authors: Da’as Rima’a
Published: October 2019

The research investigated whether teachers’ participation in decision-making (PDM) contributes to the development of affective trust during school reform over time, or vice versa. A model including principals’ interpersonal skills was tested during implementation of the organizational reform. Teachers ( n = 1,482) from 113 Israeli elementary schools participated in the first measurement, and 1,390 teachers from 106 of these schools participated in the second measurement. A cross-lagged design for 2 years showed that PDM leads to affective trust over time. Furthermore, PDM mediated the relationship between principals’ interpersonal skills and affective trust over time.
A new method for reduction quality assessment in acetabular fractures: acetabular congruency measurement
Authors: Selek Ozgur , Tosun Bilgehan , Sarlak Ahmet Y
Published: October 2019

Introduction:

The determination of adequate reduction is difficult perioperatively due to inadequate radiographic scanning and objective measurement methods. The purpose of the present study is to evaluate an objective measurement of the weight bearing acetabular dome congruency. The sensitivity and specificity of 2 measurement methods after acetabular fracture fixation are compared.

Patients and methods:

Postoperative acetabular reduction was assessed based on postoperative anteroposterior radiographs according to hip joint congruency and Matta’s classification in 55 patients. For hip joint congruency measurements, one circle was drawn as superior femoral head border and another one was drawn as weight-bearing acetabular dome border. The difference between the centres of the circles was measured in millimetres. Comparative studies were performed between groups according to reduction quality and clinical and radiological results.

Results:

The threshold value for the difference between the 2 circle centres was found as 4.4 mm according to the clinical outcomes; 3.8 mm according to radiological outcomes in joint congruency method. The sensitivity of this method was found as 90.2% and 92.7%, and specificity as 64.3% and 57.1% considering the clinical and radiological results, respectively. In the assessment of joint congruency, false positive rate was lower than assessing reduction quality using the method defined by Matta.

Conclusions:

Joint congruency assessment based on a postoperative anteroposterior radiograph in patients treated with open reduction internal fixation for acetabular fractures is a suitable method for assessing the adequacy of reduction. This method can be used intraoperatively using fluoroscopy imaging during surgery.
Association Between IL16 Gene Polymorphism and Allergic Contact Dermatitis Among Construction Workers
Authors: Khashaba Eman Omar , Gaballah Mohammad A , State Ahmed Fathy , Elwassefy Mona
Published: October 2019

Objectives:

First, this research was instituted to identify common allergens, and second, to test the association between IL16 gene promoter polymorphism rs4778889 T/C and allergic contact dermatitis (ACD).

Methods:

A case control study was conducted in dermatology outpatients’ clinic. Study subjects received interview-based semi-structured questionnaire, complete skin examination, IL16 gene promoter was investigated by PCR-RFLP (polymerase chain reaction-restriction fragment length polymorphism) analysis, and IQ Ultra™ patch test units (Chemotechnique Diagnostics AB, Sweden) with 10 substances were used.

Results:

Most of the prevalent cases had positive patch test (93.3%). The most common clinical presentation of ACD in our patients was itching (96.7%), followed by dryness (86.75%), erythema (76.7%), and fissuring (76.7%). There was higher CC gene distribution among cases, but there was no statistically significant difference. IL16 gene distribution was nearly similar among different clinical presentations. Formaldehyde showed statistically significant higher frequency for CC. The most common allergen found was mercury chloride (76.6%), followed by potassium dichromate (26.6%) and cobalt chloride (20%).

Conclusions:

The current study found prominent metal sensitization (mercury chloride) over the previously known potassium dichromate. There was no statistically significant IL16 gene distribution among cases compared with control. However, C allele was more frequently encountered in cases. Further studies are required to test the association with IL16 genotype and ACD and highlight the new trends in metal sensitization among cement-exposed workers.
The influence of tourist risk perceptions on travel intention to mega sporting event destinations with different levels of risk
Authors: Kim Minhong , Choi Kyu Ha , Leopkey Becca
Published: October 2019

While hosting mega sporting events brings various benefits to the host regions from the increased number of tourists, one of the main factors that deters tourists is the various types of risks associated with international travels. The sport tourism literature has highlighted terrorism risk and political instability as major concerns that impact travel intentions. This study examined and compared the influence of tourists’ risk perceptions on travel intentions across mega sporting event host destinations with different levels (i.e. apparent risks, less imminent risks, and unidentified risks) of such risks. Data were collected from 571 potential tourists via an online survey software and analyzed using a structural equation modeling technique. The results indicated that perceived terrorism risk significantly influenced the tourists’ travel intentions. Tourists’ terrorism risk perceptions toward South Korea (apparent risks) most significantly impacted their travel intentions, followed by general destinations outside of the United States (unidentified risks), while political instability was not significantly related to travel intentions. These findings offer practical implications for mega sporting event organizers.
Effects of grooved vanes on shock wave and forced response in a turbocharger turbine
Authors: Zhao Ben , Shi Xin , Sun Harold , Qi Mingxu , Song Panpan
Published: October 2019

In radial inflow turbine design, the optimization of turbine geometry for aerodynamic performance improvement is often constrained by the requirement of reliability, thus facing a trade-off. One of the vital challenges for a better trade-off is how to mitigate the forced response of turbine wheel, while maintaining high efficiency, so as to avoid high cycle fatigue failure. In this article, using a grooved surface on nozzle vanes for the forced response reduction was investigated. In light of the fact that the investigation on the high cycle fatigue issue involves both aerodynamic interactions and structural analyses, a customized computer code was developed using MATLAB software to couple computational fluid dynamics simulations with finite element analysis calculations. Partial results were compared against experimental results, respectively, to validate the numerical method. The coupled numerical method reveals that using the grooved surface on the nozzle vane alters the shock wave structure, decreases the peak stress of turbine wheel by 8%, and deteriorates turbine efficiency by 0.05 percentage points.
A criminal mind? A damaged brain? Narratives of criminality and culpability in the celebrated case of Aaron Hernandez
Authors: Henne Kathryn , Ventresca Matt
Published: October 2019

This article examines the media discourse surrounding the life and death of former National Football League player Aaron Hernandez, who died by suicide while incarcerated for first-degree murder. As a postmortem analysis found evidence of notable degenerative brain disease, differing explanations and speculations remain about the causes of his criminal behavior. This analysis illustrates how journalistic narratives attribute Hernandez’s criminality to either the material composition of his damaged brain or how his tumultuous background affected psychological makeup. Both narratives minimize the structural and political economic conditions that enabled this particular case of celebrated criminality. Cultural criminological and socio-legal insights aid in elucidating how notions of racialized masculinity and neurocriminology come to constitutively inform framings of Hernandez’s crimes, motivations, and actions while also directing critical attention away from the influence of relevant institutions, particularly sport, and instrumentalizing the role of violence. This article concludes with a reflection on the underpinning tensions revealed through depictions of Hernandez, his mind, and his brain, arguing that they surpass news and media stories and actually implicate debates about the growing influence of neuroscience in understandings of social problems, including crime.
Single-cell q-PCR derived expression profiles of identified sensory neurons
Authors: Adelman Peter C , Baumbauer Kyle M , Friedman Robert , Shah Mansi , Wright Margaret , Young Erin , Jankowski Michael P , Albers Kathryn M , Koerber H Richard
Published: October 2019

Sensory neurons are chemically and functionally heterogeneous, and this heterogeneity has been examined extensively over the last several decades. These studies have employed a variety of different methodologies, including anatomical, electrophysiological, and molecular approaches. Recent studies using next-generation sequencing techniques have examined the transcriptome of single sensory neurons. Although these reports have provided a wealth of exciting new information on the heterogeneity of sensory neurons, correlation with functional types is lacking. Here, we employed retrograde tracing of cutaneous and muscle afferents to examine the variety of mRNA expression profiles of individual, target-specific sensory neurons. In addition, we used an ex vivo skin/nerve/dorsal root ganglion/spinal cord preparation to record and characterize the functional response properties of individual cutaneous sensory neurons that were then intracellularly labeled with fluorescent dyes, recovered from dissociated cultures, and analyzed for gene expression. We found that by using single-cell quantitative polymerase chain reaction techniques and a set of 28 genes, we can identify transcriptionally distinct groups. We have also used calcium imaging and single-cell quantitative polymerase chain reaction to determine the correlation between levels of mRNA expression and functional protein expression and how functional properties correlated with the different transcriptional groups. These studies show that although transcriptomics does map to functional types, within any one functional subgroup, there are highly variable patterns of gene expression. Thus, studies that rely on the expression pattern of one or a few genes as a stand in for physiological experiments, runs a high risk of data misinterpretation with respect to function.
Lung transplantation: a review of the optimal strategies for referral and patient selection
Authors: Mitchell Alicia B. , Glanville Allan R.
Published: October 2019

One of the great challenges of lung transplantation is to bridge the dichotomy between supply and demand of donor organs so that the maximum number of potential recipients achieve a meaningful benefit in improvements in survival and quality of life. To achieve this laudable goal is predicated on choosing candidates who are sufficiently unwell, in fact possessing a terminal respiratory illness, but otherwise fit and able to undergo major surgery and a prolonged recuperation and rehabilitation stage combined with ongoing adherence to complex medical therapies. The choice of potential candidate and the timing of that referral is at times perhaps more art than science, but there are a number of solid guidelines for specific illnesses to assist the interested clinician. In this regard, the relationship between the referring clinician and the lung transplant unit is a critical one. It is an ongoing and dynamic process of education and two way communication, which is a marker of the professionalism of a highly performing unit. Lung transplantation is ultimately a team effort where the recipient is the key player. That principle has been enshrined in the three consensus position statements regarding selection criteria for lung and heart-lung transplantation promulgated by the International Society for Heart and Lung Transplantation over the last two decades. During this period, the number of indications for lung transplantation have broadened and the number of contraindications reduced. Risk management is paramount in the pre- and perioperative period to effect early successful outcomes. While it is not the province of this review to reiterate the detailed listing of those factors, an overview position will be developed that describes the rationale and evidence for selected criteria where that exists. Importantly, the authors will attempt to provide an historical and experiential basis for making these important and life-determining decisions.

The reviews of this paper are available via the supplementary material section.
The benefits of exercise in cancer patients and the criteria for exercise prescription in cardio-oncology
Authors: D’Ascenzi Flavio , Anselmi Francesca , Fiorentini Caterina , Mannucci Roberta , Bonifazi Marco , Mondillo Sergio
Published: October 2019

Cancer and cardiovascular diseases are the leading causes of death in high-income countries. Cardiovascular complications can be found in cancer patients, being the result of so-called ‘cardio-toxicity’. Therefore, it becomes essential to thoroughly investigate the origin of cardiac damage and the strategy to prevent it or to reverse the negative remodelling associated with cardiotoxicity. In this review the beneficial effects of physical exercise in cancer patients were analysed, particularly to prevent cardio-toxicity before its clinical manifestation. According to the relevance of exercise, we suggest strategies for exercise prescription with a tailored approach in these patients. In conclusion, physical exercise seems to be a promising and effective treatment for cancer patients during and after therapy and seems to counteract the negative effects induced by drugs on the cardiovascular system. Exercise prescription should be tailored according to patient’s individual characteristics, to the drugs administered, to the personal history, and to his/her response to exercise, taking into account that different types of training can be prescribed according also to the patient’s choice. A cardiological evaluation including exercise testing is essential for an appropriate prescription of exercise in these patients.
Surgical Technique and Clinical Outcomes of Osteochondral Autograft Transplantation for Large Osteonecrotic Lesions of the Femoral Condyle With Residual Normal Cartilage: The Eyeglass Technique
Authors: Yabumoto Hiromitsu , Nakagawa Yasuaki , Mukai Shogo
Published: October 2019

Background:

Osteochondral autograft transplantation (OAT) is usually performed for a defect that is <400 mm2 because of the limitations of autografts.

Purpose:

To present the surgical technique and clinical outcomes of OAT using the eyeglass technique for large osteonecrotic lesions of the femoral condyle (LOFs) (>400 mm2) with residual normal cartilage.

Study Design:

Cohort study; Level of evidence, 3.

Methods:

Cases (group 1) included 15 patients (18 knees) who underwent OAT using the eyeglass technique for LOFs with residual normal cartilage, while controls (group 2) included 11 patients (11 knees) who underwent OAT using the standard technique for small osteonecrotic lesions of the femoral condyle (≤400 mm2). Clinical outcomes were evaluated preoperatively and at the final follow-up (group 1, 56 months; group 2, 48 months) according to the International Knee Documentation Committee (IKDC) objective grade, the IKDC subjective score, and the Japanese Orthopaedic Association (JOA) score.

Results:

The mean lesion size was 685 mm2 in group 1 and 230 mm2 in group 2. Patients in group 1 had postoperative scores equivalent to those in group 2. The postoperative IKDC subjective scores in group 1 (mean, 86.9) and group 2 (mean, 87.0) showed no significant difference at the final follow-up ( P = .653). For postoperative IKDC objective grades, 83.3% of group 1 and 81.8% of group 2 were graded as “nearly normal” or better, and no significant intergroup difference was found for the IKDC objective grade ( P = .989). Also, no significant intergroup difference was found for the postoperative JOA score (group 1, 93.9; group 2, 81.4; P = .480). Nine second-look arthroscopic procedures were performed in group 1 compared with 4 in group 2, and all patients had plugs that were graded as “nearly normal” or better by the International Cartilage Repair Society classification system.

Conclusion:

The postoperative results of patients who underwent OAT using the eyeglass technique for large osteonecrotic lesions (>400 mm2) were equivalent to the results of patients who underwent OAT using the standard technique for small osteonecrotic lesions (≤400 mm2).
Comparing Tinnitus Tuning Curves and Psychoacoustic Tuning Curves
Authors: Fournier Philippe , Wrzosek Malgorzata , Paolino Michel , Paolino Fabien , Quemar Anne , Noreña Arnaud J.
Published: October 2019

Tinnitus masking patterns have long been known to differ from those used for masking external sound. In the present study, we compared the shape of tinnitus tuning curves (TTCs) to psychophysical tuning curves (PTCs), the latter using as a target, an external sound that mimics the tinnitus characteristics. A secondary goal was to compare sound levels required to mask tinnitus to those required to mask tinnitus-mimicking sounds. The TTC, PTC, audiometric thresholds, tinnitus pitch, and level matching results of 32 tinnitus patients were analyzed. Narrowband noise maskers were used for both PTC and TTC procedures. Patients were categorized into three groups based on a combination of individual PTC–TTC results. Our findings indicate that in 41% of cases, the PTC was sharp (V shape), but the TTC showed a flat configuration, suggesting that the tinnitus-related activity in that subgroup does not behave as a regular stimulus-induced activity. In 30% of cases, V-shape PTC and TTC were found, indicating that the tinnitus-related activity may share common properties with stimulus-induced activity. For a masker centered at the tinnitus frequency, the tinnitus was more difficult to mask than the mimicking tone in 72% of patients; this was particularly true for the subset with V-shape PTCs and flat TTCs. These results may have implications for subtyping tinnitus and acoustic therapies, in particular those targeting the tinnitus frequency.
Do Global Financial, Oil and Gold Volatility Shocks Affect the GCC Stock Markets?
Authors: Alqahtani Abdullah
Published: October 2019

This study employed the non-structural VAR econometrics approach to examine the impact of Global Oil (OVX), Financial (VIX), and Gold (GVZ) volatility indices on GCC stock markets using a daily data set spanning from January 5, 2009 to August 16, 2018. From the VAR result obtained, disequilibrium in the global financial volatility (VIX) was able to significantly transmit negative shock to Bahrain and Kuwait stock markets and positive shock on GVZ. While the global Gold volatility was capable of transmitting fairly positive shock to the UAE and VIX market. The OLS also revealed more to the result obtained from VAR as it shows that OVX and VIX can have impact on the GCC stock markets. The causality test revealed that there is a unidirectional causality running from Qatar and UAE to OVX; none of the variables was able to granger cause VIX, while unidirectional causality exist from VIX and UAE to GVZ and VIX and Qatar to Bahrain. VIX and Qatar can granger cause Kuwait stock market, and only Saudi Arabia and Oman have bidirectional causality. Unidirectional causality exists from Saudi Arabia to Qatar, and Qatar is the only stock market capable of causing UAE unidirectionally. Hence, the study concludes that VIX and GVZ are capable of transmitting shocks to three of the six GCC stock markets—(Bahrain, Kuwait and The UAE) negatively (Bahrain and Kuwait) and positively (The UAE). And on this note, the study recommends that appropriate financial and gold transaction policies should be institutionalized so as to mitigate the transmission of shocks into the markets. Also, financial and gold experts who regulate the stock and gold markets especially in Bahrain and Kuwait should watch for any abnormality changes in the volatility movement of the financial and gold markets.
Korean-coined characters and syllable structure
Authors: Lim Yongki , Lee Jiyoung
Published: October 2019

Korean-coined characters were invented by Korean people themselves to improve some situations in which they were not able to write their native words with existing Chinese characters or its sound and meaning. Hence, it became necessary for them to take some novel approaches like inventing a new Hanja not belonging to an existing one, and borrowing and modifying it as appropriate to their usages, yet not following its existing sound and meaning. The primary purpose of the work is to examine the type of character, and the character formation of syllabic consonant combinations such as the combination of codas, of fortes and of epentheses, and to confirm that they are strongly related to the syllabic structure of Korean.