Miracle-dz/UniFAR-FTUs huggingface dataset:
Extraction of Staphyloxanthin from Staphylococcus aureus Isolated from Clinical Sources to Determine its Antibacterial Activity Against other Bacteria

Fourty three isolates ( 20.7%) characterized as Staphylococcus aureus , were isolated from 207 different clinical sources (blood , nose, , wound , urine , vaginal, ear and eye) in different percentages (30.23, 18.60, 16.28, 13.95, 15.15, 6.96 and 2.33 %), respectively. The staphyloxanthin (STX) production of S. aureus isolate was estimated 72.1% . The optimal conditions for pigment production by S. aureus AE36 , were detected and was noticed that the milk agar medium revealed the highest production of pigment which was estimated to be 165.21unit/cell, at pH 8 for 72 hr at 37 0 C. The Staphyloxanthin pigment was extracted using methanol and was purified partially by organic solvents and Thin Layer Chromatography (TLC). The results revealed three peaks with a highest peak at 450 nm . No antibacterial activity of STX was detected against the bacteria used in this study (Staphylococcus epidermidis, Pseudomonas aeruginosa, Salmonella spp., Shigella spp., Escherichia coli, Klebsiella spp , Proteus spp. Pseudomonas fluorescens , Pseudomonas putida , Staphylococcus aureus).
Fatigue Evaluation through Machine Learning and a Global Fatigue Descriptor

Research in physiology and sports science has shown that fatigue, a complex psychophysiological phenomenon, has a relevant impact in performance and in the correct functioning of our motricity system, potentially being a cause of damage to the human organism. Fatigue can be seen as a subjective or objective phenomenon. Subjective fatigue corresponds to a mental and cognitive event, while fatigue referred as objective is a physical phenomenon. Despite the fact that subjective fatigue is often undervalued, only a physically and mentally healthy athlete is able to achieve top performance in a discipline. Therefore, we argue that physical training programs should address the preventive assessment of both subjective and objective fatigue mechanisms in order to minimize the risk of injuries. In this context, our paper presents a machine-learning system capable of extracting individual fatigue descriptors (IFDs) from electromyographic (EMG) and heart rate variability (HRV) measurements. Our novel approach, using two types of biosignals so that a global (mental and physical) fatigue assessment is taken into account, reflects the onset of fatigue by implementing a combination of a dimensionless (0-1) global fatigue descriptor (GFD) and a support vector machine (SVM) classifier. The system, based on 9 main combined features, achieves fatigue regime classification performances of 0.82 ± 0.24, ensuring a successful preventive assessment when dangerous fatigue levels are reached. Training data were acquired in a constant work rate test (executed by 14 subjects using a cycloergometry device), where the variable under study (fatigue) gradually increased until the volunteer reached an objective exhaustion state.
Post-Truth Politics as a Pathology of Normalcy: Beyond Alienation and Narcissism in the Age of Globalization

The aim of this paper is to examine post-truth politics using Erich Fromm’s theory of narcissism and showing a route towards a sane society in Fromm’s sense. Post-truth situations are generated by negative synergistic effects between narcissistic psychological tendencies and social media. Both of them have so-called filter bubble effects which segregate people from inner and outer reality. The process of integrating an unknown experience or reality into the self produces a new experience. That is a definition of Fromm’s love and the way to overcome narcissism.
The Effect of Short-Range Type C and B UV Radiation on the Mechanical Properties of Skin Fibroblasts

Article history: Received: 22 October 2018 Accepted: 29 September 2019 The effect of UV beam, which has been emitted from a natural or a manmade source on cells has been studied in previous studies for several times. Radiation of this beam can have different effects on DNA of the cell, cytotoxicity, the structure of cellular proteins and their mechanical properties based on radiation period or frequency. The effect of radiation of two types of beams, namely UVB and UVC on stiffness and deformation of the cell are studied in such studies based on different durations of radiation. Viscoelastic properties of skin fibroblast cells were measured using the magnetic tweezer method for a number of groups under UVC radiation with radiation durations of 38, 60 and 120 seconds and for a group under UVB radiation with radiation duration of 38 seconds, also for a control group. In addition, three and four-element discrete differential models were used for creep analysis. Cells deformation had a considerable change after radiation, while such deformation decreased as the frequency increased, however, no comment can be stated regarding radiation duration. Furthermore, cell stiffness reduced after radiation. Such decrease in cell stiffness after radiation could be due to the destruction of the biological macromolecule’s bonds. Furthermore, the extent of cell deformation was much lower in the radiation groups in comparison to the control group.
Effect of Annona Squamosa Ethanolic and Aqueous Leave Extracts on Aluminum Chloride-Induced Neuroinflammation in Albino Rats

1Pharmacology Department, Faculty of Pharmacy, Jouf University, Saudi Arabia. 2Clinical Pharmacology Department, Faculty of Medicine, Beni-Suef University, Egypt. 3Medical Biochemistry Department, National Research Centre, Giza, Egypt. 4Department of anatomy, college of medicine, Jouf University, Saudi Arabia. 5Anatomy and embryology department, College of Medicine, Beni-Suef University, Egypt. 6Pharmacology Department of Basic Medical Sciences College of Applied Medical Sciences King Khalid University, KSA. 7Pharmacology Department, Faculty of Medicine, Jouf University, Saudi Arabia. *Corresponding Author E-mail: gomaa_hedeab@yahoo.com
Machine Learning Use Cases in Cybersecurity

The problem regarding the use of machine learning in cybersecurity is difficult to solve because the advances in the field offer many opportunities that it is challenging to find exceptional and beneficial use cases for implementation and decision making. Moreover, such technologies can be used by intruders to attack computer systems. The goal of this paper to explore machine learning usage in cybersecurity and cyberattack and provide a model of machine learning-powered attack.
Determining the Relationship between Learners’ Beliefs, Peer vs. Teacher-Ratings and Iranian EFL Learners’ Writing Performance

Writing is an indispensable part of any language learning process, the mastery of which requires a lot of time, effort, and energy. The process of writing itself is always influenced by some factors that may lead to individual differences. Among those contributing factors, the learners' beliefs along with peer vs. teacher ratings have been taken into account in this research. Ninety intermediate Iranian EFL learners studying English at Shayestegan English Language Institute in Tehran participated in this study. The homogenized sample of the study was selected based on their scores on the Michigan English Language Test. Then six writing assignments along with the general learners’ belief scale designed by Horwitz (1988) were administered to the participants. The participants’ writing assignments were scored analytically according to Jacob et al.’s scale (1981) once by the teacher and once by the peers. The results of the correlational analyses revealed that there was a statistically significant difference between the mean of ratings of teachers and peers. In fact, rating types had a significant but small effect on writing scores of the participants. To investigate the relationship between learners’ beliefs and their writing performance, a series of Pearson Product Moment Correlation Coefficients were estimated. The results of the analyses indicated that there was no significant relationship between students’ beliefs and their writing performance when it was rated by peers and/or the teacher. The pedagogical implications and suggestions for further research were also proposed.
Allelopathic effect of Siberian iris (Iris sibirica) on the early growth of wild oat (Avena fatua) and Canada thistle (Cirsium arvense)

During 2015 a laboratory and greenhouse experiments were carried out to explore the allelopathic potential of different plant parts of Siberian iris on wild oat and Canada thistle early growth. The aqueous filtrates of Siberian iris rhizomes produced a strong inhibitory effect on germination, radicle and hypocotyl length and seedling weight of wild oat. Contrary, germination, radicle and hypocotyl length of wild oat was not significantly reduced by any Siberian iris leaves filtrate concentrations, but seedling weight of wild oat was significantly reduced at the 1/1 and 3/4 filtrate concentrations of Siberian iris leaves, relative to control. Similar, germination, hypocotyl length and seedling weight of Canada thistle, were significantly affected by the aqueous filtrates of Siberian iris rhizomes, and while same parameters were none significantly reduced by the aqueous leaves filtrates of Siberian iris in compare with the control. In green house experiment, all treatment with different Siberian iris rhizomes residues significantly affected density, height and fresh weight of wild oat plants. Opposite, no one treatment by Siberian iris leaves residues caused significant reduction of plants density, height and fresh weight of the wild oat plants in compare with the control. All Siberian iris mixtures with rhizomes residues highly significant decreased Canada thistle plants density in average for 60.1%, and fresh weight for 60.3% in compare with the control. No one treatment by Siberian iris leaves residues caused significant reduction of plants density and height of Canada thistle, but 1/1 and 1/2 residues mixtures of Siberian iris leaves significantly reduced its fresh weight.
Comparative Myo-architectural Orientation of the Extrinsic Lingual Muscles of the Egyptian Cattle (Bos taurus), Buffalo (Bubalus bubalis) and Camel (Camelus dromedarius)

Comparative myo-architectural anatomical studies were adopted on both sexes of twelve apparently healthy adults of cattle, buffalo and camel. The study was aimed to describe the architectural orientation of the extrinsic lingual muscles for each species. As well as statistical data between the tongue and extrinsic lingual muscles. The work declared the properties of potent tongue which allowed the cattle and buffalo to perform their behavioral prehension of food. The study described the extrinsic lingual muscles and spotted a light on the role of the geniohyoid muscle on the tongue. The work concluded that the tongue of cattle was stronger than that of buffalo while both were able to depend on their tongue for food prehension. On the other hand, the tongue of camel was found to be adapted for intraoral function.
THE STUDY OF MALONDIALDEHYDE, URIC ACID, AND C-REACTIVE PROTEIN IN OBESE AND HEALTHY PREGNANT WOMEN IN DIFFERENT TRIMESTERS

Pregnancy or gestation is a complex period of human growth and development. It is a physiological process associated with the development of maternal pathologies, such as metabolic disorders (i.e. maternal obesity and hypercholesterolemia), preeclampsia and gestational diabetes mellitus. Obesity is a worldwide epidemic, it is considered a most common medical condition in women of reproductive age, during pregnancy has short term and long term adverse consequences for both mother and child, it is caused insulin resistance. There area closes relationship between the obesity, OS, antioxidants and inflammation. The aim of this study was the assessment to oxidative stress factor changes, uric acid and CRP in obese pregnant women in Misan province.The study included (60) obese pregnant women, aged (25 -35) years. The study conducted duringNovember2018to February 2019. Diagnosed parameters done using enzyme-linked immunosorbent assay (ELISA) and mind ray (BS -230). Our results reveledalmostparameters increased during pregnancy, highestincrease in the third trimesters, it is increased significantly (p ≤0.05) in comparison with the first and second trimesters. Results of current study showed clearly the following conclusion in obese pregnant women all parameters in our study elevatedduringtrimesters.
Numerical modelling of the debonding between CFRP strips and concrete in shear tests under static loads using different approaches

The present paper deals with the finite element (FE) analysis of bond slip between concrete and carbon fiber reinforced polymer (CFRP) strips in a single pull-out test under static loads. The commercial software LS-DYNA is used to simulate the test set-up using a plastic damage material model and an elastic material model for the concrete prism and the unidirectional CFRP strip, respectively. The bond interface between the concrete and the CFRP strip is simulated following three different approaches using a perfect bond model, a cohesive bond model and contact algorithms based on recently developed proposed bond slip models. The numerical model is validated based on experimental test results available from literature. The debonding failure mode and the delamination loads of the CFRP strip are predicted. The numerical results show a good agreement with the experimental data using the cohesive bond model. The perfect bond model gives an overestimation of the delamination loads and of the damage distribution in the concrete prism.
Minimally invasive atrioventricular valve surgery – current status and future perspectives

We are currently witnessing rapid evolution in minimally invasive and catheter-based atrioventricular valve interventions as acceptable alternatives to classic sternotomy access (CSA). Collectively, minimally invasive atrioventricular valve surgery (MIAS) is associated with significant learning curves and its routine application is met with varying degrees of enthusiasm in view of strict quality control, clinical governance and outcome reporting. Whether the reported potential benefits and comparable efficacy across a range of long-term outcome measures reported by experienced MIAS centres can be translated into general international surgical practice, are not well defined. This paper describes the historic evolution of MIAS, the contemporary clinical outcomes of MIAS compared with CSA, and the application of MIAS in “real-life” general practice.
Impact of Media on Air-layering in the Propagation of Dennettia tripetala (Annonaceae), and Its Micro-morphological Characteristics

A systematic study was carried out on Dennettia tripetala to establish an alternative method of propagation and further provide complementary characters for the identification of the species especially in sterile conditions. All methods followed those of previous authors of related studies. Findings from the silvicultural aspect revealed that it is very possible to successfully propagate the species via air-layering, using good quality materials. Top soil performed better than saw dust substrate. The roots appeared and developed much faster than those of the saw dust, before it was harvested and potted. Micromorphological examination of the foliar epidermises also showed that the species is hypostomatic, while epidermal cells are predominantly polygonal, measuring 37.1 x 22.0 μm and 30.4 x 15.4 μm in size on the abaxial and adaxial surfaces respectively, and with straight to sinose anticlinal walls. Stomata is anomocytic, up to 32.2 x 17.6 μm in size. Wood is vesseless with tyloses present and gums totally absent. Ray multiserate. Pollen grains are predominantly spheroidal with scabrate surface and thin exine. Further studies on other aspects may reveal more useful information about D. tripetala.
Diversion Effect of Economic Integration Agreements

Signing Economic Integration Agreements has proliferated during last three decades. A country signs more and more agreements. Owning the agreements not only generates trade creation but also trade diversion. The diversion effect of Economic Integration Agreements (EIAs) on the probability of products survival and export growth in a market is found in current paper. Using the probit function for 149 countries in SITC 4-digit level from 1962 to 2000, we find the hazard rate of product ceasing increases if a country signs any other EIAs other than its partner (both importer and exporter), and the export growth decreases in the case of an importer owns any other EIA other than its partner.
Effects of light intensity and photoperiod on runner plant propagation of hydroponic strawberry transplants under LED lighting

Vegetative propagation of strawberry (Fragaria × ananassa Duch.) in the plant factory with artificial lighting is considered as an effective approach to produce high-quality transplants. In this study, mother plants of ‘Benihoppe’ strawberry were grown hydroponically for 50 d under eight LED lighting treatments by combining four levels of light intensity (200, 250, 300 and 350 mol/(m2·s)) and two photoperiods (12 h/d and 16 h/d). Runner development, growth of runner plants, photon yield and energy yield in runners and runner plants were investigated to evaluate the strawberry propagation efficiency. Results indicated that length of runners decreased linearly with increasing daily light integral (DLI) under each photoperiod and was significantly shorter under photoperiod of 16 h/d. Runner elongation was inhibited by high DLI. Number of runners and runner plants formed by mother plants increased by 38.9% and 33.7%, when DLI increased from 8.6 to 11.5 mol/(m2·d), respectively; however, no further increase was observed when DLI was higher than 11.5 mol/(m2·d). Similar trends were found in crown diameter and biomass of primary and secondary runner plants. Negative impact of high DLI (20.2 mol/(m2·d)) on photosynthetic capacity of runner plants was observed as a decrease in leaf net photosynthetic rate, potential maximum photochemical efficiency of PSII, and chlorophyll content. Furthermore, photon yield and energy yield in runners and runner plants decreased significantly with increasing DLI. Therefore, DLI in a range of 11.5-17.3 mol/(m2·d) is beneficial to improve strawberry propagation efficiency and quality of runner plants, and 11.5 mol/(m2·d) is optimal for the strawberry propagation of runner plants in the LED plant factory because of the higher photon and energy yields. Keywords: hydroponic strawberry, vegetative propagation, daily light integral, photon yield DOI: 10.25165/j.ijabe. 20191206.5265 Citation: Zheng J F, He D X, Ji F. Effects of light intensity and photoperiod on runner plant propagation of hydroponic strawberry transplants under LED lighting. Int J Agric & Biol Eng, 2019; 12(6): 26–31.
Phytochemical, Antioxidant and Antibacterial Potential of Ducrosia anethifolia in Northern Border Region of Saudi Arabia

Ducrosia anethifolia (D. anethifolia) is a drought-tolerant plant widely distributed over Arar valley at the Northern region of Saudi Arabia. The aerial parts of this plant were investigated for its phytochemical constituents, antioxidant and antibacterial potential. GC-MS analysis of the ethyl Original Research Article Elsharkawy et al.; JPRI, 31(6): 1-8, 2019; Article no.JPRI. 52892 2 acetate fraction of methanol extract revealed the presence of some major compounds such as 8Ethoxypsoralen (6.5%), Prangenin (6.26%), Isoaromadendrene epoxide (7.5%), Aromadendrene oxide (0.96%) and Ferulic acid methyl ester (0.46%). FRAP and DPPH method were used to test the antioxidant capacity of ethyl acetate fraction of D. anethifolia, the results revealed the presence of high reduction capacity (EC50 equals 0.63±0.03g/L), compared with the reducing capacity of the standard ascorbic acid and quercetin which were 0.091±0.002 g/L and 0.026±0.002 g/L, respectively. Moreover, the results of the DPPH test showed that the extract presented a remarkable antioxidant capacity with an IC50 of 0.38±0.02 g/L, This considerable antioxidant capacity is attributed to its richness of some bioactive phytochemical compounds. The antibacterial potential was evaluated by disc-diffusion test, the plant extract was tested on nine different bacterial strains. Results exhibited that, only Gram-positive bacteria recorded good to moderate susceptibility, namely Staphylococcus epidermidis ATCC 49461, Bacillus cereus ATCC 10876, Staphylococcus aureus clinical isolate and Staphylococcus aureus ATCC 25923, which recorded 14.5, 14.0, 9.5and 7.5-mm zone of inhibition, respectively. In conclusion, the aerial parts of D. anethifolia are rich in some important phytochemical molecules and could be used in the formulation of antioxidant drugs. Whereas, its efficacy against some Gram-positive bacteria only should be studied in-depth. Further studies are also recommended to these phytochemical molecules against various physiological disorders and diseases.
Towards Mode-Multiplexed Fiber Sensors: An Investigation on the Spectral Response of Etched Graded Index OM4 Multi-Mode Fiber with Bragg grating for Refractive Index and Temperature Measurement

An investigation on the feasibility of utilizing Mode Division Multiplexing (MDM) for simultaneous measurement of Surrounding Refractive Index (SRI) and temperature using a single sensor element based on an etched OM4 Graded Index Multi Mode Fiber (GI-MMF) with an integrated fiber Bragg Grating (BG), is presented. The proposed work is focused on the concept of principle mode groups (PMGs) generated by the OM4 GI-MMF whose response to SRI and temperature would be different and thus discrimination of the said two parameters can be achieved simultaneously via a single sensor element. Results indicate that the response of all PMGs to temperature to be equal, i.e., 11.4 pm/°C, while the response to SRI depends on each PMG. Thus, it is evident that temperature “de-coupled” SRI measurement can be achieved by deducing the temperature effects experienced by the sensor element. Sensitivity of the PMGs to applied SRI varied from 3.04 nm/RIU to of 0.22 nm/RIU from the highest to lowest PMG, respectively. The results verify that it is feasible to obtain dual measurement of SRI and temperature simultaneously using the same, i.e., single, sensing element.