bluuebunny/crossref_metadata_2025_split huggingface dataset:
Economic and reliability determination of sustainable renewable energy mix based on social spider prey optimization algorithm
Authors: Frimpong Samuel Ofori , Agbehadji Israel Edem , Abayomi Abdultaofeek , Millham Richard C. , Freeman Emmanuel , Ujakpa Martin Mabeifam 
Published: May 2023

AbstractResolving the power crises requires the combination of different individual renewable energy sources so that one source can compensate for another. Unfortunately, renewable energy sources are not always available at certain times making their use problematic. To solve this uncertainty, it is important to combine independent renewable energy sources and determine the right set of the renewable energy mix that is economical and reliable. The sources of renewable energy data are solar PV, wind, battery, and biomass. Different scenarios of renewable energy mix or combination considered are wind–biomass–battery, solar PV–wind–biomass, PV–biomass–battery, and solar PV–wind–biomass–battery. Knowing the economic and reliable impact of these combinations helps to make the best investment decision. The nature-inspired optimization is utilized as the methodology to determine the feasible dimension, economic, and reliability of the energy mix. Historical energy-related data for one year were obtained from the National Renewable Energy Laboratory and was used to evaluate the hybrid renewable energy systems. The result shows that SSP guaranteed optimal economic costs and satisfied the reliability constraints for wind–biomass–battery system, solar PV–wind–biomass system, PV–biomass–battery, and PV–wind–biomass–battery. The outcomes suggests that SSP can provide optimal result and therefore calls for researchers to further explore the potential of integrating this algorithm in their optimization approach for solar PV–wind–biomass–battery hybrid system.
The value of ventricular measurements in the prediction of shunt dependency after aneurysmal subarachnoid hemorrhage
Authors: Said Maryam , Gümüs Meltem , Rodemerk Jan , Chihi Mehdi , Rauschenbach Laurèl , Dinger Thiemo F. , Darkwah Oppong Marvin , Dammann Philipp , Wrede Karsten H. , Sure Ulrich , Jabbarli Ramazan 
Published: May 2023

Abstract
Objective
Chronic hydrocephalus requiring shunt placement is a common complication of aneurysmal subarachnoid hemorrhage (SAH). Different risk factors and prediction scores for post-SAH shunt dependency have been evaluated so far. We analyzed the value of ventricle measurements for prediction of the need for shunt placement in SAH patients.

Methods
Eligible SAH cases treated between 01/2003 and 06/2016 were included. Initial computed tomography scans were reviewed to measure ventricle indices (bifrontal, bicaudate, Evans’, ventricular, Huckman’s, and third ventricle ratio). Previously introduced CHESS and SDASH scores for shunt dependency were calculated. Receiver operating characteristic analyses were performed for diagnostic accuracy of the ventricle indices and to identify the clinically relevant cut-offs.

Results
Shunt placement followed in 221 (36.5%) of 606 patients. In univariate analyses, all ventricular indices were associated with shunting (all: p<0.0001). The area under the curve (AUC) ranged between 0.622 and 0.662. In multivariate analyses, only Huckman’s index was associated with shunt dependency (cut-off at ≥6.0cm, p<0.0001) independent of the CHESS score as baseline prediction model. A combined score (0–10 points) containing the CHESS score components (0–8 points) and Huckman’s index (+2 points) showed better diagnostic accuracy (AUC=0.751) than the CHESS (AUC=0.713) and SDASH (AUC=0.693) scores and the highest overall model quality (0.71 vs. 0.65 and 0.67), respectively.

Conclusions
Ventricle measurements are feasible for early prediction of shunt placement after SAH. The combined prediction model containing the CHESS score and Huckman’s index showed remarkable diagnostic accuracy regarding identification of SAH individuals requiring shunt placement. External validation of the presented combined CHESS-Huckman score is mandatory.
A simplified material flow analysis employing local expert judgment and its impact on uncertainty
Authors: Naing Wutyi , Harada Hidenori , Fujii Shigeo , Hmwe Chaw Su Su 
Published: May 2023

AbstractMaterial flow analysis (MFA) is an effective tool for waste management, but low- and middle-income countries lack essential data for MFA. This study proposed a simplified MFA (sMFA) utilizing local expert judgment (LEJ) and examining the impact of simplification on its uncertainty. A stochastic sMFA model was developed for nitrogen and phosphorus in urban Mandalay, Myanmar. This model was compared with the intensive MFA (iMFA) model employing intensive surveys for primary data collection. For the total loadings to the environment, the medians of the sMFA were higher by 3% and 11%, respectively, for nitrogen and phosphorus than those of the iMFA. The widths of the 80% confidence intervals of these loadings in the sMFA, normalized by those in the iMFA, were − 0.05 and − 0.11, respectively. The three largest flows to the environment were the same for the two models: on-site sanitation effluent/leakage, greywater, and industrial wastewater. Large median gaps between the models were observed for industrial wastewater, fecal sludge, and human excreta, associated with informal waste management, whereby LEJ did not work well. Overall, the sMFA demonstrated a good estimation of nitrogen and phosphorus flows with limited increase of uncertainty, still requiring focused attention on informal waste streams.
Graphical abstract
The power of rotation schedules on the career selection decisions of medical students
Authors: Bechara John P. , Shah Priti Pradhan , Lindor Keith 
Published: May 2023

AbstractChoosing a career pathway in medicine is a high stakes decision for both medical students and the field of medicine as a whole. While past research has examined how characteristics of the medical student or specialties influence this decision, we introduce temporal elements as novel variables influencing career selection decisions in medicine. Specifically, we investigate how timing and duration of residency options, based on a rotation schedule that medical students have limited control over, influence their career selection decisions. An archival study investigating 5 years of medical student rotation schedules (N = 115) reveals that clinical rotation options appearing earlier and more often in the schedule were more likely to be selected. Moreover, timing and duration of exposure interacted such that residency options appearing later in the schedules were more likely to be selected if they also appeared more often. Conditional logistic regressions using student fixed-effects to control for idiosyncratic medical student differences (i.e., gender, & debt, etc.), and residency fixed-effects to control for idiosyncratic residency differences (income, and lifestyle, etc.), revealed the rotation schedule had a significant impact on residency selection decisions even when controlling for factors typically influencing this decision. Medical students’ career decisions are influenced by when and how long different choice options appear in their rotation schedule, especially when they have limited influence over this schedule. The results have implications for healthcare policy by highlighting a tool for adjusting physician workforce composition by broadening exposure to a greater array of career options.
Effects of Fuel Lewis Number on Wall Heat Transfer During Oblique Flame-Wall Interaction of Premixed Flames Within Turbulent Boundary Layers
Authors: Ghai Sanjeev Kr. , Ahmed Umair , Chakraborty Nilanjan 
Published: May 2023

AbstractThe influence of fuel Lewis number $${\mathrm{Le}}_{F}$$

Le
F

on the statistical behaviour of wall heat flux and flame quenching distance has been analysed using direct numerical simulation (DNS) data for the turbulent V-shaped flame-wall interaction in a channel flow configuration corresponding to a friction velocity-based Reynolds number of 110 for fuel Lewis number, $${\mathrm{Le}}_{F}$$

Le
F

, ranging from 0.6 to 1.4. It has been found that the maximum wall heat flux magnitude in turbulent V-shaped flame-wall interaction increases with decreasing $${\mathrm{Le}}_{F}$$

Le
F

but just the opposite trend was observed for 2D laminar V-shaped flame-wall interaction and 1D laminar head-on quenching cases. This behaviour has been explained in terms of the correlation of temperature and fuel reaction rate magnitude with local flame surface curvature for turbulent flames due to the thermo-diffusive effects induced by the non-unity Lewis number. The wall heat flux magnitude and wall shear stress magnitude are found to be negatively correlated for all cases considered here. Moreover, their mean variations in the streamwise direction are qualitatively different irrespective of $${\mathrm{Le}}_{F}$$

Le
F

, although the magnitudes of wall heat flux and wall shear stress increase with decreasing $${\mathrm{Le}}_{F}$$

Le
F

. Furthermore, the flame alignment relative to the wall also affects the wall heat flux and it has been found that local occurrences of head-on quenching can lead to higher magnitudes of wall heat flux magnitude. It has been found that $${\mathrm{Le}}_{F}$$

Le
F

also affects the evolution of the flame quenching distance in the streamwise direction with the progress of flame quenching for different flame normal orientations with respect to the wall. This analysis shows that the effects of fuel Lewis number on flame orientation, correlations of reaction rate and temperature with local flame curvature and coherent flow structures within the turbulent boundary layer ultimately affect the wall heat transfer and flame quenching distance. Thus, the thermo-diffusive effects arising from the non-unity Lewis number need to be taken into account for accurate modelling of wall heat transfer during flame-wall interaction in turbulent boundary layers.
On the integral solution of elliptic Kepler’s equation
Authors: Calvo M. , Elipe A. , Rández L. 
Published: May 2023

AbstractIn a recent paper, Philcox, Goodman and Slepian obtain an explicit solution of the elliptic Kepler’s equation (KE) as a quotient of two contour integrals along a Jordan curve $$ \mathcal {C} = \mathcal {C}(M,e)$$

C
=
C
(
M
,
e
)

that contains the unique real solution of KE but not includes other complex zeros of KE in its interior. The aim of this paper is to study the main issues that arise in the practical implementation of this integral solution. Thus, after a study of the complex zeros of KE, several families of Jordan contours $$ \mathcal {C} = \mathcal {C}(M,e)$$

C
=
C
(
M
,
e
)

that are suitable for this integral solution are proposed. Since contours with minimal length turn out to be the more accurate for numerical purposes, several families that minimize their length are constructed. Secondly, the approximation of the contour integrals by the composite trapezoidal rule is considered. Recall that this rule is employed in the fast Fourier transform and, in spite of its lower order, displays a spectral convergence as a function of the number of nodes, which implies a very fast convergence. Finally, the results of some numerical experiments are presented to show that such a combination of appropriate contours with the composite trapezoidal rule leads to a powerful numerical method to solve KE with any desired accuracy for all values of eccentricity.
The impact of coal mine dust characteristics on pathways to respiratory harm: investigating the pneumoconiotic potency of coals
Authors: Kamanzi Conchita , Becker Megan , Jacobs Muazzam , Konečný Petr , Von Holdt Johanna , Broadhurst Jennifer 
Published: May 2023

AbstractExposure to dust from the mining environment has historically resulted in epidemic levels of mortality and morbidity from pneumoconiotic diseases such as silicosis, coal workers’ pneumoconiosis (CWP), and asbestosis. Studies have shown that CWP remains a critical issue at collieries across the globe, with some countries facing resurgent patterns of the disease and additional pathologies from long-term exposure. Compliance measures to reduce dust exposure rely primarily on the assumption that all “fine” particles are equally toxic irrespective of source or chemical composition. For several ore types, but more specifically coal, such an assumption is not practical due to the complex and highly variable nature of the material. Additionally, several studies have identified possible mechanisms of pathogenesis from the minerals and deleterious metals in coal. The purpose of this review was to provide a reassessment of the perspectives and strategies used to evaluate the pneumoconiotic potency of coal mine dust. Emphasis is on the physicochemical characteristics of coal mine dust such as mineralogy/mineral chemistry, particle shape, size, specific surface area, and free surface area—all of which have been highlighted as contributing factors to the expression of pro-inflammatory responses in the lung. The review also highlights the potential opportunity for more holistic risk characterisation strategies for coal mine dust, which consider the mineralogical and physicochemical aspects of the dust as variables relevant to the current proposed mechanisms for CWP pathogenesis.
New findings on the effects of different factors involved in fig limb dieback caused by Neoscytalidium dimidiatum in California
Authors: Gusella Giorgio , Fiore Giuseppe , Vitale Alessandro , Felts Dan G. , Michailides Themis J. 
Published: May 2023

AbstractThe San Joaquin Valley (California, USA) represents an important fig (Ficus carica) production area in the United States. Fig limb dieback represents a serious and emerging disease of fig caused by Neoscytalidium dimidiatum. In the present study we evaluated the effect of tissue age on canker development, the recovery of the fungus from fruit mummies collected in the field, the ability of N. dimidiatum to colonize, under laboratory condition, fig fruits, and the in vitro effects of different water potentials (Ψs) on mycelial growth rate.Results of our study showed that the older branches (> 3-year-old) resulted in longer canker compared to the younger ages. N. dimidiatum was not recovered from the mummies, instead they were colonized by many other fungal saprophytes. Laboratory experiments showed the ability of this species to colonize dried fig fruits from 20 °C to 35 °C. In vitro water potentials experiment showed that the mycelial growth was reduced with the decrease of water potential (from 1–3 -MPa), depending on salt type.
Political social media marketing: a systematic literature review and agenda for future research
Authors: Abid Aman , Roy Sanjit K. , Lees-Marshment Jennifer , Dey Bidit L. , Muhammad Syed S. , Kumar Satish 
Published: May 2023

AbstractWe focus on political marketing and conduct a systematic literature review of journal articles exploring political marketing on social media. The systematic literature review delineates the current state of political social media marketing literature. It spans six databases and comprises sixty-six journal articles published between 2011 and 2020. We identify and categorize the variables studied in the literature and develop an integrative framework that links these variables. We describe the research themes that exist in the literature. The review demonstrates that the field is growing. However, the literature is fragmented, along with being predominantly based in the US context. Conceptual and theoretical shortcomings also exist. Moreover, the literature ignores pertinent contemporary topics such as co-creation, influencer marketing, and political advertising on social media. Nevertheless, a nascent domain with growing practical significance, political social media marketing provides various exciting avenues for further research, which we outline in this study.
Common typology of multi-sided platforms and virtual communities: analysis of business models using qualitative system dynamics
Authors: Doligalski Tymoteusz 
Published: May 2023

AbstractThis article presents a common typology of multi-sided platforms and virtual communities. The analysed entities comprise 69 of Poland’s most prominent websites, representing one of two business models. Based on three dimensions: collaboration among users, reputation-based user competition, and user multi-sidedness, we identified four business models. These are problem community, object community, object market, and reputation market. The differences in their logics of value creation go beyond the traditional division between multi-sided platforms and virtual communities. The identified business models were depicted in qualitative system dynamics diagrams. The typology was verified using the statistical clustering technique, which yielded corresponding results.
Sensing of chemical oxygen demand (COD) by amperometric detection—dependence of current signal on concentration and type of organic species
Authors: Lambertz Samira , Franke Marcus , Stelter Michael , Braeutigam Patrick 
Published: May 2023

AbstractThe standard method to determine chemical oxygen demand (COD) with K2Cr2O6 uses harmful chemicals, has a long analysis time, and cannot be used for on-site online monitoring. It is therefore necessary to find a fast, cheap, and harmless alternative. The amperometric determination of COD on boron-doped diamond (BDD) electrodes is a promising approach. However, to be a suitable alternative, the electrochemical method must at least be able to determine the COD of water samples independently of the contained substances. Therefore, the current signal as a function of various organic materials was investigated for the first time. It was shown that the height of the signal current depended on the type of organic matter in single-substance solutions and that this substance dependency increases with the amount of COD. Those findings could be explained by the mechanism proposed for this reaction, showing that the selectivity of the reaction depends on the ratio of the concentration of hydroxyl radicals and organic species. We give an outlook on how to improve the method in order to increase the linear working range and avoid signal variance and how to further explain the signal variance.
Body, dance and abstraction for spatial and structural comprehension in the first year of design education
Authors: Hatıpoğlu Serkan Can , Kamaoğlu Melih , Şensoy Gamze , İnceoğlu Mehmet 
Published: May 2023

AbstractThe first year of design education is essential for students as it is their initial interaction with the design process. Awareness of the body through dance has the potential to reveal bodily experience in space. Abstraction of embodied experience contributes to realising the significance of the body and its analytical dimension for spatial and structural design. This study investigates the impact of embodied experience and abstraction on the architectural design process and the outcome through correlation and regression analysis. We observed that increasing awareness of the space through bodily movement and its drawn representation positively impacted students’ success in architectural design. Also, the measures related to space and structure mainly advanced students’ success in the final design. However, the association of the abstraction process with the final design remained limited. The study’s contribution is the systematic and statistical evaluation of the relationship between body, movement, abstraction and architectural design by constructing a set of measures from various stages of the design studio. We hope our research will provide a basis for the upcoming discourse.
Human oocyte area is associated with preimplantation embryo usage and early embryo development: the Rotterdam Periconception Cohort
Authors: Wiegel Rosalieke E. , Rubini Eleonora , Rousian Melek , Schoenmakers Sam , Laven Joop S. E. , Willemsen Sten P. , Baart Esther B. , Steegers-Theunissen Régine P. M. 
Published: May 2023

Abstract
Purpose
To investigate the association between oocyte area and fertilization rate, embryo usage, and preimplantation embryo development in order to establish if oocyte area can be a marker for optimal early embryo development.

Methods
From 2017 to 2020, 378 couples with an indication for IVF (n = 124) or ICSI (n = 254) were included preconceptionally in the Rotterdam Periconception Cohort. Resulting oocytes (n = 2810) were fertilized and submitted to time-lapse embryo culture. Oocyte area was measured at the moment of fertilization (t0), pronuclear appearance (tPNa), and fading (tPNf). Fertilization rate, embryo usage and quality, and embryo morphokinetics from 2-cell stage to expanded blastocyst stage (t2-tEB) were used as outcome measures in association with oocyte area. Oocytes were termed “used” if they were fertilized and embryo development resulted in transfer or cryopreservation, and otherwise termed “discarded”. Analyses were adjusted for relevant confounders.

Results
Oocyte area decreased from t0 to tPNf after IVF and ICSI, and oocytes with larger area shrank faster (β − 12.6 µm2/h, 95%CI − 14.6; − 10.5, p < 0.001). Oocytes that resulted in a used embryo were larger at all time-points and reached tPNf faster than oocytes that fertilized but were discarded (oocyte area at tPNf in used 9864 ± 595 µm2 versus discarded 9679 ± 673 µm2, p < 0.001, tPNf in used 23.6 ± 3.2 h versus discarded 25.6 ± 5.9 h, p < 0.001). Larger oocytes had higher odds of being used (oocyte area at tPNf ORused 1.669, 95%CI 1.336; 2.085, p < 0.001), were associated with faster embryo development up to the morula stage (e.g., t9 β − 0.131 min, 95%CI − 0.237; − 0.025, p = 0.016) and higher ICM quality.

Conclusion
Oocyte area is an informative marker for the preimplantation development of the embryo, as a larger oocyte area is associated with higher quality, faster developing embryos, and higher chance of being used. Identifying determinants associated with oocyte and embryo viability and quality could contribute to improved preconception care and subsequently healthy pregnancies.
Study of SQ109 analogs binding to mycobacterium MmpL3 transporter using MD simulations and alchemical relative binding free energy calculations
Authors: Stampolaki Marianna , Stylianakis Ioannis , Zgurskaya Helen I. , Kolocouris Antonios 
Published: May 2023

AbstractN-geranyl-N΄-(2-adamantyl)ethane-1,2-diamine (SQ109) is a tuberculosis drug that has high potency against Mycobacterium tuberculosis (Mtb) and may function by blocking cell wall biosynthesis. After the crystal structure of MmpL3 from Mycobacterium smegmatis in complex with SQ109 became available, it was suggested that SQ109 inhibits Mmpl3 mycolic acid transporter. Here, we showed using molecular dynamics (MD) simulations that the binding profile of nine SQ109 analogs with inhibitory potency against Mtb and alkyl or aryl adducts at C-2 or C-1 adamantyl carbon to MmpL3 was consistent with the X-ray structure of MmpL3 – SQ109 complex. We showed that rotation of SQ109 around carbon–carbon bond in the monoprotonated ethylenediamine unit favors two gauche conformations as minima in water and lipophilic solvent using DFT calculations as well as inside the transporter’s binding area using MD simulations. The binding assays in micelles suggested that the binding affinity of the SQ109 analogs was increased for the larger, more hydrophobic adducts, which was consistent with our results from MD simulations of the SQ109 analogues suggesting that sizeable C-2 adamantyl adducts of SQ109 can fill a lipophilic region between Y257, Y646, F260 and F649 in MmpL3. This was confirmed quantitatively by our calculations of the relative binding free energies using the thermodynamic integration coupled with MD simulations method with a mean assigned error of 0.74 kcal mol−1 compared to the experimental values.
Graphical abstract