Miracle-dz/UniFAR-FTUs huggingface dataset:
Development and Validation of a predictive model based on Radiomics to predict the short-term outcomes of patients with COVID-19

Background: Coronavirus disease-2019 (COVID-19) is sweeping the globe and the situation is precarious. Aim of our study is to develop and validate a radiomics-based model to predict the short-term prognosis of COVID-19 patients and to improve hospital survival. Methods: In our multi-center study, a first batch of 148 patients in the training set was used to build prognosis prediction model, and a second batch of 264 patients was assigned as validation set to verify the predictive performance. Patients were divided into two groups (good/poor prognosis) according to the outcome evaluation both on the 14th day after admission. Data were collected at admission involving demographic and epidemiological features, symptoms, laboratory results and CT images. The latter contained direct CT findings and radiomic features. Radiomic scores (Rad-scores) were calculated for each patient by a linear combination of the extracted features with their respective coefficients. Univariable and multivariable Logistic regression analysis were conducted in sequence to select variables for building a nomogram prediction model, which was applied for prognostic evaluation. Results: We reported that the nomogram scoring system, including age, central/peripheral lesion location in CT findings, C-reactive protein (CRP) and Rad-score, could effectively predict the short-term outcomes of COVID-19 patients with a sensitivity of 81.25% and specificity of 87.27%. The predictive performance of this model was also validated in the independent validation dataset yielding a sensitivity of 88.76%, specificity of 72.97% (AUC: 0.882). Conclusions: This radiomics-based model could predict the short-term prognosis of COVID-19 patients and to improve hospital survival.
Entry and Transport of Hydrogen in Ion Nitrided Iron

Hydrogen permeation through unnitrided and nitrided iron membranes was studied by the electrochemical technique. The membranes were charged with hydrogen by cathodic polarization in 0.1 M, NaOH. It was found that nitriding significantly reduced the permeation rate of hydrogen. Diffusivities and concentrations of hydrogen were calculated for an outer compound (nitride) layer, an inner diffusion layer, and an unmodified iron substrate. The reduced absorption of hydrogen by the nitrided membranes was explained in terms of the hindrance of the entry of hydrogen into the compound layer (the surface effect) and the hindrance of its transport in the compound and diffusion layers (the barrier effect).
Seeking social support through Religion, Psychological wellbeing and Social capital: A Global Survey on Coronavirus situational stress and coping strategies 

The novel of Coronavirus (COVID-19) which emerged in Wuhan, China in December 2019 has quickly spread in China and exported to around the world including economically developed countries and it has hit Indonesia as well. It is changing social life, practices, everyday habits, and government policies toward all walks of life. The main cause of COVID-19 is to be primarily transmitted by the respiratory droplets with similar incubation time (1). The present study aimed to highlight the relationship of religiosity, social capital and psychological wellbeing of the general public with a pandemic, particularly during COVID-19 days. There are various social and religious factors which lead to a cure and give the presence of religious and social function of the society. The purpose of this study is to give socialization and to give awareness, on social distancing, religious coping strategies, and how to live a healthy lifestyle. It is also to mention that, author (s) ensured the ethical consideration from the respondents and to use this survey for the academic purpose and scientific publications. This COVID-19 awareness survey started in Indonesia and its surrounding areas to access maximum respondents. This campaign can also suggest a recommendation for safety and ensure public health precautions from such pandemics.
The Influence of Communication, Share Value, and Opportunistic Behavior Control On Customer Loyalty in Internet Banking

Purpose: This paper aims to analyze the correspondency of multiple variables such as communication, share value, opportunistic behavior control, trust, and loyalty in the case of internet banking. The analysis is mediated by customer’s trust. Design/methodology/approach: The method used is statistic-descriptive, followed by purposive sampling as the data collection method. Design used is cross sectional. Findings: Among the hypotheses proposed, there are 4 that show positive results. Those include share value that has positive impact on the customer’s trust on Bank Jatim, internet banking customer’s loyalty on Bank Jatim, and customer’s loyalty in using the Bank’s internet banking mediated through trust. Research limitations/implications: The sample includes 135 respondents from Bank Jatim Surabaya that use internet banking. Practical implications: Among the hypotheses proposed, 2 out of 6 are not acceptable because the statistics show inadequate percentage. Paper type: This paper can be categorized as a case study. Keyword: communication; internet banking; opportunistic behavior control; share value. Received: August 19 th , 2020 Revised: September 12 nd , 2020 Published: September 30 th , 2020
Inequalities involving Mittag-Leffler type q-Konhauser polynomial

In the present work, we propose generalized structure of the $q$-Konhauser polynomial suggested by a generalized $q$-Mittag-Leffler function. For this polynomial, we obtain its difference equation and several other properties involving inequalities are also derived which yield as the particular cases, $q$-analogues of the generating function relations and finite summation formulas.
Laboratory study on phosphorus treatment of waste water using converter sludge

Converter sludge is a byproduct produced in large amounts during the steelmaking process and is an important resource that can be utilised effectively. The present paper describes an experiment in which converter sludge was tested as an adsorbent for the removal of phosphorus from waste water. It was found that phosphorus removal was dependent on the amount of converter sludge added, the solution pH and the contact time between adsorbent and solution. Under laboratory conditions, >88% of phosphorus was removed from the waste water when sludge was added at a concentration of 20 g L−1, the contact time was 4 h and the solution pH was 4. The experimental data demonstrated that the adsorption of phosphorus to converter sludge matched the Freundlich isotherm model. Converter sludge was found to be very effective in adsorbing phosphorus.
Variation in Antioxidant Activity and Polyphenol Content in Tomato Stems and Leaves

Tomato was considered as one of the most widely cultivated vegetable crops in the world. Tomato plant has high antioxidant capacity which can be attributed to the high levels of carotenoids, phenols, vitamins C and E. However, most of tomato plants have been discarded as waste after fruit harvesting. In order to identify genetic resources with high antioxidant level for use in food or as feed additives, we investigated the ABTS, DPPH antioxidant activity and polyphenol content in tomato leaves and stems. A total of 112 tomato accessions were classified into three groups by latitude of their collected countries: 30°~60° North (50 accessions), 0°~30° North (40 accessions), and 0°~30° South (22 accessions). Stem and leaf extracts showed wide variation in ABTS antioxidant activity ranging from 1.6 ± 1.0 to 48.4 ± 6.1 μg Trolox mg -1 dw. The antioxidant activity of DPPH was in the range of 6.3 ± 0.2 to 40.0 ± 0.3 μg ASC mg -1 dw. Total polyphenol content ranged from 6.1 ± 0.2 to 38.9 ± 0.7 μg GAE mg -1 dw. ABTS, DPPH antioxidant activities and polyphenol content in accessions from 30°~60°N latitude were significantly higher (P<0.05) than those from 0°~30°N latitude. ABTS values showed a significant positive correlation (r = 0.700**) with DPPH activity. IT100506 (KOR) and 702959 (UKR) were recommended as potential sources of natural antioxidants due to their highest antioxidant activity among accessions. This study will provide valuable information for tomato breeders in developing and producing functional food or feed additives resources.
Comparative Evaluation of Nose-Only Versus Whole-Body Inhalation Exposures for Rats—Aerosol Characteristics and Lung Deposition

AbstractTwo types of rat exposure chambers, nose-only and whole-body, were evaluated simultaneously for their performance for the temporal and spatial distribution of the same test aerosols within the chambers, both with and without animals present. Aerosol deposition in lungs was also determined after 4-h exposures to evaluate whether the types of exposure chambers and/or test aerosols have effects on the deposition of the aerosols in the respiratory tract. The test aerosols were TiO2 and brass (a Cu-Zn alloy). The TiO2 was relatively nontoxic under conditions of this study, while the brass caused respiratory-tract lesions. Results indicated that both types of exposure chambers performed well with coefficients of variation less than 10% for both temporal and spatial variations. The lung burden data for TiO2 agree well with literature values. The lung burden data for the brass, however, were different from the TiO2 data, and differences were also observed between nose-only and whole-body exposures.
Influence of Cultivar on Lemon Oil Composition

Abstract In order to evaluate the differences in the qualitative and quantitative composition of lemon essential oils obtained from different lemon cultivars, the oils were analyzed by HRGC and HRGC/MS. The components were identified in each oil on polar and apolar capillary columns. The samples analyzed were obtained from lemon plants cultivated in Sicily in an experimental field. The selection reflected the diversity of these cultivars in the Italian productive areas. The results obtained are informative of the different oils quality and explain the variation of the Italian industrial lemon essential oil composition.
DO ISLAMIC EQUITY STYLE INDICES CONTAIN ECONOMIC INFORMATION?

This study aims to investigate whether the Islamic equity style index contains economic information which is useful for investors and financial practitioners. The study fills the gap in the previous literature by investigating the relationship between Islamic equity style indices and macroeconomic variables. Using a Vector Autoregressive (VAR) model with monthly data from June 2006 to May 2017, our results show that first, there is unidirectional flow of information from Large Growth (LG) to the Leading Economic Indicator (LEI); second, Large Growth (LG) Granger-causes the Kuala Lumpur Composite Index (KLCI); third, Large Value (LV) also Granger-causes KLCI. A robustness check with an Augmented VAR model obtained similar results to the shortrun model. Our results imply that equity style indices have prior information which is faster than LEI and KLCI. This knowledge is certainly useful for fund managers when designing Shariah-compliant portfolio investments. For policymakers, Islamic equity style indices are useful for predicting the direction of other macroeconomic variables such as business cycles, and hence help to predict the future direction and turning points in the economy.
Analysis of Relationship between Effectiveness of Internal Control System and Audit Opinions on Local Government Financial Statements

This study aims to analyse and to describe relationship between effectiveness of internal control system (ICS) and audit opinion of the Audit Board (the AB) of the Republic of Indonesia on Local Government Financial Statements (LGFS). In addition, this study also aim s to explain the consideration of ICS effectiveness in the process of formulating audit opinion. This study use s an explanatory sequential mixed method. This study use s a different approach compared to previous research by considering materiality factors in assessing effectiveness of ICS. Sample of this study is fifty four local government in Indonesia. A nalytical tool s used include content analysis, correlation analysis , mean differen ce tests, and textual data analysis. Content analysis is performed on fifty four ICS Audit Reports year 2017, correlation analysis utilizes Somer’s d and Kendall’s tau c , and mean differen ce test analysis uses Kruskal Wallis. Meanwhile, textual data analysis is carried out on the results of interviews with nine auditors from three AB representative offices in Java. Results of this study show that effectiveness of ICS ha s a strong and positive relationship with audit opinion on LGFS. In addition, average score of ICS effectiveness is different for each group of LGFS audit opinion. This fact show s that the AB has considered ICS effectiveness in formulating audit opinions. R esults of interview show that pattern of relationship between effectiveness of ICS and audit opinion is indirect. The AB consider s effectiveness of ICS in the phase of determining audit planning materiality rate and in the phase of analyzing impact of ICS findings on the fairness of LGFS. Implication of this results is that the government should revise audit regulations by removing ICS effectiveness as one of factors that must be considered in the formulation of audit opinion because ICS effectiveness and audit opinion are not directly related.
In situ HAFM study of the thermal dehydration on gypsum (010) surfaces

Abstract Hydrothermal AFM has been used to study the thermal dehydration reaction on gypsum (010) surfaces in solutions at different saturation states, and in the absence of a bulk liquid phase. Experiments were carried out at temperatures ranging from 25 to 130 °C. Whereas supersaturated solutions (β = 1.8.5) caused gypsum growth in the entire temperature range, solutions close to equilibrium (β = 1.02) caused various responses of the gypsum surface. The most prominent was a sharp transition from fast growth to very fast dissolution at ~120 °C suggesting a sudden nucleation of a phase more stable than gypsum. No structural relation could be found between the parental gypsum (010) surface and the crystallizing phase. In the absence of a bulk liquid phase, dehydration takes place via the nucleation and spreading of etch-pit like pattern. Laterally, the thermal etch pits spread in an unrestricted way. In the vertical direction, pit growth was limited to a few micrometers. Dehydration by monolayer pits and nucleation of the dehydration process at monolayer steps on the (010) surface were never observed. Thus, unlike growth or dissolution, surface energy related to kink sites or individual point defects seems to be insufficient to trigger dehydration. The temperature-dependent lateral pit growth yields an activation energy of 119 ± 11 kJ/mol. The product phase disintegrates at the parental surface into nano-size particles without any morphologically noticeable transition zone.
The Positive Impact Of Virtual Class-Based On Calculus II Teaching Materials In Improving The Conceptual Understanding Of Informatics Engineering Students

This research aims to analyze the validity of Calculus II teaching materials based on virtual classes; the effectiveness of teaching materials that have been designed towards improving students’ understanding of mathematical concepts. The method used in this research is ADDIE model (Analysis, Design, Development, Implementation and Evaluation). The research subjects were students of Informatics Engineering UNINDRA 4th semester who took Calculus II courses consisting 2 (two) classes, namely the experimental class consisting of 14 students and 15 students of the control class. Instruments and data collection techniques used in the form of observation, tests, and questionnaires. Data analysis used independent sample test and normalized gain score. The result showed that Calculus II teaching materials were based on virtual class was valid and effective to improve students’ understanding of concepts so it can be concluded that the teaching materials for Calculus II based on virtual classes are valid and suitable for use in learning and are effective and practical to improve student’s conceptual understanding.
Amino acid discrimination in a nanopore and the feasibility of sequencing peptides with a tandem cell and exopeptidase

In polymer sequencing with a nanopore multiple discriminators may be used to distinguish among more monomers than usual. This leads to a proposal to sequence peptides using a tandem cell (RSC Adv., 2015, 5, 167–171) with exopeptidase. A Fokker–Planck model of the device shows that the 20 amino acids display a well-defined ordering, and that, in theory, several necessary conditions for effective sequencing are satisfied. Other factors, such as the role of solution pH, exopeptidase cleaving efficiency, and modified amino acids, are discussed. If validated experimentally this approach could lead to an alternative to mass spectrometry.
Consequences of Teenage Motherhood on Children

Children of teenage mothers fare worse than children of older mothers. In order to estimate a causal effect of teenage motherhood, we study a sample of teenage pregnant women and exploit miscarriages as a natural experiment that causes a delay in childbirth from age 19 to 21. We estimate lower and upper bounds and rule out negative consequences of teenage motherhood on early child health and education. One reason is that treatment and control groups are similar in terms of pre-pregnancy behavior and socioeconomic background. Another reason is that miscarriages have detrimental effects on parents’ use of mental health care.
The Role of Fair-Value Adjustments in Debt Financing

Using a novel hand-collected dataset of business combination disclosures, we investigate whether and how fair-value adjustments (FVAs) arising from mergers and acquisitions facilitate debt financing. FVAs are the difference between the fair value and the book value of the target’s net assets. We document that the average corporate acquirer reports economically significant FVAs on non-goodwill assets, showing an increase of 60 percent in the value of the target’s total assets. We find that these FVAs reflect synergies between the target and the acquirer as well as unrecorded economic value on the target’s assets that was not previously captured by historical cost accounting. We then document that FVAs on tangible assets are associated with substantial new debt issuance by the acquiring firm during the three-year period after the transaction. They are also associated with the issuance of cheaper, secured and longer-term debt and with debt that is more likely to have balance sheet covenants. Our findings indicate that FVAs capture new and relevant information about collateralizable assets that is contractible in debt agreements.
National identity predicts public health support during a global pandemic

Changing collective behaviour and supporting non-pharmaceutical interventions is an important component in mitigating virus transmission during a pandemic. In a large international collaboration (Study 1, N = 49,968 across 67 countries), we investigated self-reported factors associated with public health behaviours (e.g., spatial distancing and stricter hygiene) and endorsed public policy interventions (e.g., closing bars and restaurants) during the early stage of the COVID-19 pandemic (April-May 2020). Respondents who reported identifying more strongly with their nation consistently reported greater engagement in public health behaviours and support for public health policies. Results were similar for representative and non-representative national samples. Study 2 ( N = 42 countries) conceptually replicated the central finding using aggregate indices of national identity (obtained using the World Values Survey) and a measure of actual behaviour change during the pandemic (obtained from Google mobility reports). Higher levels of national identification prior to the pandemic predicted lower mobility during the early stage of the pandemic ( r = −0.40). We discuss the potential implications of links between national identity, leadership, and public health for managing COVID-19 and future pandemics. Understanding collective behaviour is an important aspect of managing the pandemic response. Here the authors show in a large global study that participants that reported identifying more strongly with their nation reported greater engagement in public health behaviours and support for public health policies in the context of the pandemic.
Clinical characteristics of sarcoidosis patients in Belgium

ABSTRACT Background Sarcoidosis is a non-caseating granulomatous disease, mostly affecting previously healthy persons in their fourth and fifth decade. In Belgium, there is a paucity of epidemiological data concerning sarcoidosis and it is unknown to what respect national data on sarcoidosis relates to the global epidemiology of the disease. Objectives In this cohort study we describe the patient population in an academic center of reference, serving both as a regional care center and a center for a tertiary referral. Methods We collected epidemiological data among 234 consecutive patients consulting the outpatient sarcoidosis clinic during a two-year time period. We manually explored the electronic patient file for data retrieval. Results Out of the 234 patients, 140 are male (60%) and 94 are female (40%) patients. Forced vital capacity showed a median decline of 2% during follow-up, whereas median diffusion capacity increased with 4% over the same period of time. Within our study cohort, we observed a preponderance in employment as construction workers (14%), the chemical industry (6%) and in the metal processing industry (6%). Conclusion The current study reports on epidemiological findings among the largest cohort of sarcoidosis patients in Belgium published to date. Graphical abstract
The Determinants of Public Sector Innovation in Malaysia: A Proposed Framework

At present, Malaysian government are buffeted by strategic challenges including debt, deficit pressures, technology, innovation and globalization. Hence, Malaysian public service agencies recognize that they need to be resilient. In other words, they need to respond to people demand (adaptation), provide efficient and effective services (competitiveness) and make themselves reputable (value). This paper therefore aims to evaluate and suggest a conceptual model of innovative work behaviour, innovation climate, participative leadership and wider public sector condition on innovation (IVs) and innovation performance. A Structural Equation Model (SEM) was proposed. A structural relationship model was suggested. Research theories are being formulated based on the proposed conceptual model and checked. The paper ends with planned theoretical work for the future.
Charge Transport and Sensitized 1.5 μm Electroluminescence Properties of Full Solution-Processed NIR-OLED based on Novel Er(III) Fluorinated β-Diketonate Ternary Complex

Solution-processed near-infrared organic light-emitting diodes (NIR-OLEDs) with structure glass/indium–tin oxide/poly(3,4-ethylenedioxythiophene)-poly(styrene sulfonate)/Er-complex/Ca/Al based on a novel Er(III) complex, [Er(tfnb)3(bipy)] (Htfnb = 4,4,4-trifluoro-1-(2-naphthyl)-1,3-butanedione and bipy = 2,2′-bipyridine) have been manufactured and their properties have been studied. A complete quenching of the organic ligand visible emission is shown, and only the sensitized 1.5 μm electroluminesce from Er(III) results. From the electrical characteristic we present the mobility dependence on applied voltage using a numerical model, comparing it to poly(9,9-dioctylfluorene), a commercial semiconducting polymer with optical properties close to those of the molecular ligands. The synthesis of the novel complex together with a detailed analysis of its structure elucidated by XRD, 1H NMR, Raman, and Fourier-transform infrared spectroscopies is presented. A wide-ranging characterization of its photophysical pro.