bluuebunny/crossref_metadata_2025_split huggingface dataset:
Innovative entrepreneurship in emerging and developing economies: the effects of entrepreneurial competencies and institutional voids
Authors: Amini Sedeh Amirmahmood , Pezeshkan Amir , Caiazza Rosa 
Published: July 2021

AbstractInnovative entrepreneurship is one of the key drivers of economic development particularly for less developed economies where the economic growth is at the forefront of policymakers’ agenda. Yet, the research on how various factors at different levels interact and bring about innovative entrepreneurship in emerging and developing countries remains relatively scarce. We address this issue by developing a multilevel framework that explains how entrepreneurial competencies attenuate the negative impact of innovation barriers. Our analysis on a sample of individuals from 24 economies, 17 developing and 7 emerging countries, reveals that entrepreneurial competencies become more instrumental for innovative entrepreneurship when general, supply-side, and demand-side innovation barriers are higher. The findings offer unique insights to policymakers particularly in developing countries interested in promoting innovative entrepreneurship and to entrepreneurs and investors seeking to establish and support innovative ventures.
Bullying Perpetration, Moral Disengagement and Need for Popularity: Examining Reciprocal Associations in Adolescence
Authors: Romera Eva M. , Ortega-Ruiz Rosario , Runions Kevin , Camacho Antonio 
Published: July 2021

AbstractPrecursors and consequences of bullying have been widely explored, but much remains unclear about the association of moral and motivational factors. This study examined longitudinal associations between need for popularity, moral disengagement, and bullying perpetration. A total of 3017 participants, aged 11 to 16 years in wave 1 (49% girls; Mage = 13.15, SD = 1.09), were surveyed across four waves with six-month intervals. At the between-person level, cross-lagged modeling revealed a positive bidirectional association between moral disengagement and need for popularity; bullying perpetration was predicted by both need for popularity and moral disengagement. From the within-person level, random intercept cross-lagged analyses revealed that need for popularity predicted both moral disengagement and bullying perpetration. The results highlight the interplay between motivational and moral mechanisms that underlies bullying behavior.
Comment on “Two-dimensional third-and fifth-order nonlinear evolution equations for shallow water waves with surface tension” [Nonlinear Dyn, doi:10.1007/s11071-017-3938-7]
Authors: Rozmej Piotr , Karczewska Anna 
Published: July 2021

AbstractThe authors of the paper “Two-dimensional third-and fifth-order nonlinear evolution equations for shallow water waves with surface tension” Fokou et al. (Nonlinear Dyn 91:1177–1189, 2018) claim that they derived the equation which generalizes the KdV equation to two space dimensions both in first and second order in small parameters. Moreover, they claim to obtain soliton solution to the derived first-order (2+1)-dimensional equation. The equation has been obtained by applying the perturbation method Burde (J Phys A: Math Theor 46:075501, 2013) for small parameters of the same order. The results, if correct, would be significant. In this comment, it is shown that the derivation presented in Fokou et al. (Nonlinear Dyn 91:1177–1189, 2018) is inconsistent because it violates fundamental properties of the velocity potential. Therefore, the results, particularly the new evolution equation and the dynamics that it describes, bear no relation to the problem under consideration.
Drivers of pattern formation in a predator–prey model with defense in fearful prey
Authors: Mishra Purnedu , Tiwari Barkha 
Published: July 2021

AbstractExistence of predator is routinely used to induce fear and anxiety in prey which is well known for shaping entire ecosystem. Fear of predation restricts the development of prey and promotes inducible defense in prey communities for the survival. Motivated by this fact, we investigate the dynamics of a Leslie–Gower predator prey model with group defense in a fearful prey. We obtain conditions under which system possess unique global-in-time solutions and determine all the biological feasible states of the system. Local stability is analyzed by linearization technique and Lyapunov direct method has been applied for global stability analysis of steady states. We show the occurrence of Hopf bifurcation and its direction at the vicinity of coexisting equilibrium point for temporal model. We consider random movement in species and establish conditions for the stability of the system in the presence of diffusion. We derive conditions for existence of non-constant steady states and Turing instability at coexisting population state of diffusive system. Incorporating indirect prey taxis with the assumption that the predator moves toward the smell of prey rather than random movement gives rise to taxis-driven inhomogeneous Hopf bifurcation in predator–prey model. Numerical simulations are intended to demonstrate the role of biological as well as physical drivers on pattern formation that go beyond analytical conclusions.
Optimization of air pollution measurements with unmanned aerial vehicle low-cost sensor based on an inductive knowledge management method
Authors: Pochwała Sławomir , Anweiler Stanisław , Deptuła Adam , Gardecki Arkadiusz , Lewandowski Piotr , Przysiężniuk Dawid 
Published: July 2021

AbstractThe article presents the study of Particulate Matter air pollution with PM1, PM2,5 and PM10 by means of a low-cost sensors mounted on Unmanned Aerial Vehicles. The article is divided into two parts. In first part pollution measurement system is described. In second part expert system for optimization of flight parameters is described. The research was conducted over a municipal cemetery area in Poland. The obtained results were analyzed through an inductive knowledge management system (decision tree method) for classification analysis of air pollution. The decision tree mechanism would be used to optimize flight parameters taking into account the air pollution parameters. The analysis was made from the influence of PM concentration point of view, depending on the altitude. The decision tree method was used, which allowed to determine, among other aspects, which PM indicator should be measured and which altitude plays a greater role in the optimization of air pollution measurements by means of cheap sensors mounted on drones. As a result of the analysis, the optimum flight altitude of the measurement drone in the specified area was determined.
The Welfare State as Safety Net in Migration Preferences: Empirical Evidence from an Experiment Among Dutch Master Students
Authors: de Jong Petra W. , Caarls Kim , de Valk Helga A. G. 
Published: July 2021

AbstractThe welfare state can be perceived as a safety net which helps individuals adjust to situations of risk or transition. Starting from this idea of the welfare state as safety net, this study addresses whether and how welfare generosity may influence people’s willingness to migrate. In doing so, we distinguish between two potential mechanisms, innovatively focusing on welfare provisions in both the country of origin and destination. First, a generous welfare system in the country of origin may have a retaining impact, as individuals may be unwilling to migrate to countries offering less social protection. Second, generous welfare provisions in the country of destination may enable migration for individuals who are more intolerant of uncertainty and who otherwise would prefer to remain immobile. We test both mechanisms using stated preference data collected with a unique experimental design among over 300 Dutch Master students. Confirming the first mechanism, we indeed find that respondents report a lower willingness to migrate when evaluating hypothetical scenarios where the level of social protection was higher in the country of origin as compared with the country of destination. Furthermore, and in line with the second mechanism, individuals who are more intolerant of uncertainty generally report a lower willingness to migrate, yet their willingness to migrate increases for scenarios with higher levels of unemployment benefits. Our findings, thus, indeed suggest that welfare arrangements are mainly serving a safety net function and need to be understood in relative terms between the country of origin and destination.
The flip side of power
Authors: Bolle Friedel , Otto Philipp E. 
Published: July 2021

AbstractIn random voting, the committee chair, whose vote decides in the case of a draw, is more often decisive than ordinary voters. Therefore, in the power indices literature, the committee chair is said to be more powerful. Players with a veto right are even more powerful still. Similarly, the production of threshold public goods may involve “tie-breaking players” (with more effective contributions) and “veto players” (specialists or larger players) whose contributions are necessary. We pose the question of whether power is beneficial for an individual. Except in the equilibrium where no player contributes, veto players are disadvantaged while tie-breaking players can be advantaged. In experiments with otherwise symmetric players, about 80% of the veto players contribute, but tie-breaking players also contribute almost as frequently as veto players, and significantly more frequently than ordinary players. Even with three times the costs of ordinary players, veto players stick to their behavior, while tie-breaking players reduce their contributions below those of ordinary players. Overall, powerful players always are worse off than ordinary players; thus, power seems not to pay off herein.
Predicting the development of early reading in Chinese–Dutch bilinguals
Authors: Yuan Han , Segers Eliane , Verhoeven Ludo 
Published: July 2021

AbstractThe relationships between phonological awareness, rapid naming, short term verbal memory, letter knowledge, visual skills and word reading in kindergarten, and the predictive patterns from kindergarten to first grade were examined in 41 Chinese-Dutch bilingual children living in the Netherlands in both their first language (Chinese) and second language (Dutch). In kindergarten, Chinese word reading was predicted by Chinese phonological awareness, and Dutch word reading was predicted by Dutch phonological awareness and letter knowledge. There was a robust autoregressive effect of word reading from kindergarten to first grade in both Chinese and Dutch. Follow-up mediation analyses further showed that both phonological awareness in Chinese and phonological awareness combined with letter knowledge in Dutch in kindergarten had an indirect effect on Grade 1 word reading via kindergarten word reading. Although cross-language correlation was found in word reading for bilingual children in kindergarten, Dutch word reading did not add to the prediction of Chinese word reading when Chinese precursor measures were taken into account.
Prince: An improved method for measuring incentivized preferences
Authors: Johnson Cathleen , Baillon Aurélien , Bleichrodt Han , Li Zhihua , van Dolder Dennie , Wakker Peter P. 
Published: July 2021

AbstractThis paper introduces the Prince incentive system for measuring preferences. Prince combines the tractability of direct matching, allowing for the precise and direct elicitation of indifference values, with the clarity and validity of choice lists. It makes incentive compatibility completely transparent to subjects, avoiding the opaqueness of the Becker-DeGroot-Marschak mechanism. It can be used for adaptive experiments while avoiding any possibility of strategic behavior by subjects. To illustrate Prince’s wide applicability, we investigate preference reversals, the discrepancy between willingness to pay and willingness to accept, and the major components of decision making under uncertainty: utilities, subjective beliefs, and ambiguity attitudes. Prince allows for measuring utility under risk and ambiguity in a tractable and incentive-compatible manner even if expected utility is violated. Our empirical findings support modern behavioral views, e.g., confirming the endowment effect and showing that utility is closer to linear than classically thought. In a comparative study, Prince gives better results than a classical implementation of the random incentive system.
Contextual variation and objectivity in olfactory perception
Authors: Martina Giulia 
Published: July 2021

AbstractAccording to Smell Objectivism, the smells we perceive in olfactory experience are objective and independent of perceivers, their experiences, and their perceptual systems. Variations in how things smell to different perceivers or in different contexts raise a challenge to this view. In this paper, I offer an objectivist account of non-illusory contextual variation: cases where the same thing smells different in different contexts of perception and there is no good reason to appeal to misperception. My central example is that of dihydromyrcenol, a substance that can smell both woody and citrusy depending on what other odourants one has recently been exposed to. I first argue that the subjects’ apparently conflicting reports about the way dihydromyrcenol smells are best understood as comparative characterisations of a smell. Given this understanding, different reports can be correctly made in response to perceiving the very same smell. I then argue that the phenomenal difference between the experiences subjects have across contexts can be explained compatibly with Smell Objectivism. On the account proposed, subjects perceive the very same smell but different qualities, notes, or aspects of it are salient to them, depending on the context of perception. I then consider how the proposed defence of Smell Objectivism can be adapted to other cases where the same thing is reported as smelling different in different contexts.
Influence of parental nitrogen : phosphorus stoichiometry on seed characteristics and performance of Holcus lanatus L. and Parnassia palustris L.
Authors: Wang Shuqiong , van Dijk Jerry , Wassen Martin J. 
Published: July 2021

AbstractNitrogen (N) and phosphorus (P) availability affect plant sexual reproduction performance. Seed as the main product of sexual reproduction is expected to be affected by N and P availability in parent plant. We experimentally test how parental N:P stoichiometry affected seed characteristics and performance of two grassland species. Seeds of a common species (Holcus lanatus) and an endangered species (Parnassia palustris) were collected from parent plants under two different N:P ratio growth conditions in a grassland reserve in the Netherlands. We measured the following traits of the two species from the two parental N:P ratio growth conditions: seed N concentration and content, seed P concentration and content, seed length, seed area, seed weight, seed germination, and offspring survival. No significant inter-location difference was found in seed weight of the collected seeds for either of the two species. However, the stronger P-limited conditions at the locations of the parent plants affected seed length and seed area negatively in H. lanatus and positively in P. palustris. Stronger P-limited conditions also decreased seed P concentration and content and increased seed N:P ratio of H. lanatus, but no inter-location nutrient difference was found in seeds of P. palustris. Surprisingly, contrary to what could be expected from seed P concentration and content there was no inter-location difference in seed germination for H. lanatus. For P. palustris, stronger P-limited conditions in the parental environment significantly enhanced seed germination, whereas stronger P-limited conditions in the offspring environment decreased offspring survival, suggesting that P limitation may negatively affect P. palustris rejuvenation. Our results suggest the possibility of different influences of parental N:P ratio and especially of P limitation on seed characteristics and performance of a common and an endangered species.
Impact of aquaculture on distribution of dissolved organic matter in coastal Jeju Island, Korea, based on absorption and fluorescence spectroscopy
Authors: Kim Jeonghyun , Kim Yeseul , Park Sung Eun , Kim Tae-Hoon , Kim Bong-Guk , Kang Dong-Jin , Rho TaeKeun 
Published: July 2021

AbstractIn Jeju Island, multiple land-based aquafarms were fully operational along most coastal region. However, the effect of effluent on distribution and behaviours of dissolved organic matter (DOM) in the coastal water are still unknown. To decipher characteristics of organic pollution, we compared physicochemical parameters with spectral optical properties near the coastal aquafarms in Jeju Island. Absorption spectra were measured to calculate the absorption coefficient, spectral slope coefficient, and specific UV absorbance. Fluorescent DOM was analysed using fluorescence spectroscopy coupled with parallel factor analysis. Dissolved organic carbon (DOC) and total dissolved nitrogen (TDN) were measured using high-temperature catalytic oxidation. The DOC concentration near the discharge outlet was twice higher than that in natural groundwater, and the TDN concentration exponentially increased close to the outlet. These distribution patterns indicate that aquafarms are a significant source of DOM. Herein, principal component analysis was applied to categorise the DOM origins. There were two distinct groups, namely, aquaculture activity for TDN with humic-like and high molecular weights DOM (PC1: 48.1%) and natural biological activity in the coastal water for DOC enrichment and protein-like DOM (PC2: 18.8%). We conclude that the aquafarms significantly discharge organic nitrogen pollutants and provoke in situ production of organic carbon. Furthermore, these findings indicate the potential of optical techniques for the efficient monitoring of anthropogenic organic pollutants from aquafarms worldwide.
Advancing intraoperative magnetic tracing using 3D freehand magnetic particle imaging
Authors: Azargoshasb Samaneh , Molenaar Lennert , Rosiello Giuseppe , Buckle Tessa , van Willigen Danny M. , van de Loosdrecht Melissa M. , Welling Mick M. , Alic Lejla , van Leeuwen Fijs W. B. , Winter Alexander , van Oosterom Matthias N. 
Published: July 2021

Abstract
Purpose
Sentinel lymph node biopsy is a routine procedure for nodal staging in penile cancer. Most commonly, this procedure is guided by radioactive tracers, providing various forms of preoperative and intraoperative guidance. This is further extended with fluorescence imaging using hybrid radioactive–fluorescence tracers. Alternatively, a magnetic-based approach has become available using superparamagnetic iron-oxide nanoparticles (SPIONs). This study investigates a novel freehand magnetic particle imaging and navigation modality (fhMPI) for intraoperative localization, along with a hybrid approach, combining magnetic and fluorescence guidance.

Materials and methods
The fhMPI set-up was built with a surgical navigation device, optical tracking system and magnetometer probe. A dedicated reconstruction software based on a look-up-table method was used to reconstruct a superficial 3D volume of the SPION distribution in tissue. For fluorescence guidance, indocyanine green (ICG) was added to the SPIONs. The fhMPI modality was characterized in phantoms, ex vivo human skin and in vivo porcine surgery.

Results
Phantom and human skin explants illustrated that the current fhMPI modality had a sensitivity of 2.2 × 10–2 mg/mL SPIONs, a resolving power of at least 7 mm and a depth penetration up to 1.5 cm. Evaluation during porcine surgery showed that fhMPI allowed for an augmented reality image overlay of the tracer distribution in tissue, as well as 3D virtual navigation. Besides, using the hybrid approach, fluorescence imaging provided a visual confirmation of localized nodes.

Conclusion
fhMPI is feasible in vivo, providing 3D imaging and navigation for magnetic nanoparticles in the operating room, expanding the guidance possibilities during magnetic sentinel lymph node procedures. Furthermore, the integration of ICG provides the ability to visually refine and confirm correct localization. Further clinical evaluation should verify these findings in human patients as well.
God will reward you: Muslim practices of caring for precarious migrants in the context of secular suspicion
Authors: Jacobsen Christine M. 
Published: July 2021

AbstractIn recent years, Muslims have become more visibly invested in humanitarian work in France. Based on ethnographic fieldwork in Marseille, this article examines local initiatives to care for precarious others whose lives are neither materially supported nor socially recognized within the current French political regime. Engaging with critical French scholarship on humanitarianism as care for others associated with emergency, suffering and the politics of compassion, I show how food-distribution (maraudes) by Muslim-run humanitarian associations also draw from Islamic ethics of care. While social dynamics related to gender, class, race and generation structure the maraudes, the foregrounding of shared precarity, and of religious duty and piety over pity, challenges the ‘hierarchies of deservingness’ established by humanitarian border regimes. In caring for precarious others, Muslims must navigate both the secular suspicion directed towards Islam and the securitization of migration. Carrying out the religious duty of helping those in need, they are ‘laying claim to public space’ for both Muslims and precarious migrants.
Effect of Photobiomodulation Therapy on Oxidative Stress Markers in Healing Dynamics of Diabetic Neuropathic Wounds in Wistar Rats
Authors: Karkada Gagana , Maiya G. Arun , Arany Praveen , Rao Mohandas , Adiga Shalini , Kamath Shobha Ullas 
Published: July 2021

AbstractBackgroundProlonged and overlapping phases of wound healing in diabetes are mainly due to the redox imbalance resulting in the chronicity of the wound. Photobiomodulation therapy works on the principle of absorption of photon energy and its transduction into a biological response in the living tissue. It alleviates the cellular responses, thereby improving the mechanism of wound healing in diabetes.ObjectiveTo find out the effect of photobiomodulation therapy of dosage 4 J/cm2in the healing dynamics of diabetic neuropathic wounds in Wistar rats and its relation with oxidative stress markers.MethodologyDiabetes was induced using Streptozotocin of 60 mg/kg of body weight to eighteen female Wistar rats. Neuropathy was induced by the sciatic nerve crush injury followed by an excisional wound of 2 cm2on the back of the animal. Experimental group animals were treated with dosage 4 J/cm2of wavelength 655 and 808 nm, and control group animals were kept unirradiated. The biomechanical, histopathological, and biochemical changes were analysed in both groups.ResultsThere was a reduction in mean wound healing time and an increased rate of wound contraction in the experimental group animals compared to its control group. The experimental group showed improved redox status, and histopathological findings revealed better proliferative cells, keratinisation, and epithelialization than un-irradiated controls.ConclusionsPhotobiomodulation therapy of dosage 4 J/cm2enhanced the overall wound healing dynamics of the diabetes-induced neuropathic wound and optimised the oxidative status of the wound, thereby facilitating a faster healing process.