Miracle-dz/UniFAR-FTUs huggingface dataset:
Pseudomonas aeruginosa Cell Wall Polysaccharide-Iron Oxide Nanoparticle Augments the Formation of Biofilm by the Bacterium

Pseudomonas aeruginosa is very ubiquitous microorganism which is a member of the normal microbial flora in human. The bacterium forms biofilm that is responsible for many persistent and chronic infections. P. aeruginosa biofilm formation is mediated by two soluble lectins, LecA (PA-IL) and LecB (PAIIL) that are essential extracellular virulence factor of P. aeruginosa. In this study bacteria isolated from direct biopsy samples of colorectal cancer (CRC) were used. Iron oxide nanoparticles (IONP) were prepared by coprecipitation method and subsequently coated with Pseudomonas aeruginosa polysaccharide using the principles of electrostatic interaction. The Fourier transform infrared spectroscopy (FTIR) and scanning probe microscope (SPM) analyses confirmed the successful coating of polysaccharide on the surface of iron oxide nanoparticles. The preparation appeared to have 1649 cm -1 (CONH 2 ) and 1543 cm -1 (N-H) band. Particle size for polysaccharide coated iron oxide increased from 85.09 nm for naked iron oxide nanoparticles to 107.20 nm. Bacterial polysaccharide coated iron oxide nanoparticles was used to inhibite Pseudomoas aeruginosa biofilm on saliva coated 96-well polystyrene.It was seen that exposure of cells to polysaccharide coated iron oxide showed increased biofilm formation on optimally coated saliva on polystyrene plates.The highest augmentation was recorded in a concentration of 100mg/ml and in saliva of Lewis group Lea + and approaching (75%) p˃0.05 and the lowest augmentation was achieved in a concentration of 1mg/ml and approached (5%) p=1.4×10 -3, Lea-b- secretor gave (5%) augmentation p=2.6×10 -3 while Lea-b- secretor saliva coat showed (15%) augmentation p=0.05 compared with naked iron oxide nanoparticles.Percentage augmentation of polysaccharide coated iron oxide nanoparticles in concentration of 100mg/ml, 10mg/ml and 0.1mg/ml was non significant p˃0.05 except for Leb saliva used in concentration of 0.1mg/ml that was highly significant (44.5%) augmentation p=3.3×10 -3 in compared with iron oxide nanoparticles. In 0.01 mg/ml polysaccharide-iron oxide nanoparticle concentration augmentation reached (5.9%) p=0.03 for Lea-b-non secretor while Leb saliva (46%) augmentation p=0.03 in addition Lea gave (15%) augmentation and Lea-b- secretor showed (26.7%) augmentation p˃0.05. This imply Lewis molecules determinants and bacterial lectin interaction in biofilm formation. Lectin are involved in biofilm formation. Keywords: key words, polysaccharide-iron oxide, nanoparticles, Pseudomonas aeruginosa biofilm.
Assessing Change in Runoff Water Parameters Through Road Shoulder Vegetated Filter Strips: Experimental Comparison of Soils and Engineered Infiltration Media

Placement of Vegetated Filter Strips (VFS) along roadways may facilitate removal of nutrients from stormwater runoff. The objective of this research is to compare water quality performance of a VFS containing engineered media to that of typical Florida sandy soil. Storms of variable intensity were simulated over two 1:1 scale physical models of typical oneand two-lane roadway shoulders, one with engineered media (treatment), and one without (control). Simulated roadway runoff was introduced as sheet flow from the roadway and precipitation was applied with a rainfall simulator. Samples of runoff and infiltrate were tested for Dissolved Oxygen (DO) concentration and pH at regular intervals along each model and analyzed to detect changes both in time and location. Within four hours of the experiment start, pH decreased on average by 0.74 ± 0.21 in the treatment model, and less so (by 0.39 ± 0.16) in the control model (p<0.0001). pH continued to decrease with time in both models, though more significantly in the treatment model. The DO saturation decreased in the treatment model by a mean 12.18 ± 18.54% and increased in the control model by a mean 6.74 ± 13.21% over 4 hours (p<0.001). However, DO monitoring over 72 hours indicated minimum DO concentrations of 5.83 ± 1.28 mg/L and 7.84 ± 0.92 mg/L in treatment and control models, respectively, suggesting that pore water was not oxygen limited. This analysis provides a deeper understanding of how nutrient removal processes may have varied within each media type.
Bionic Remineralization of Acidic Etched Enamel Induced by Using Mesoporous Bioactive Glass in Natural Oral Saliva

Acidic etched enamel was treated with mesoporous bioactive glass (M58S) to induce enamel reminer- alization in natural oral saliva. By simulated brushing teeth, the M58S was adhered on the enamel surface. Then the samples were rinsed by water and immersed in natural oral saliva for different periods. Characterized by XRD, SEM, FIB-TEM, EDX, SAED, and nanoindentation, the samples showed that a new mineralized phase appeared on the surface of the treated samples after soaking for 6 h. After soaking for 24 h, a compact and homogeneous miner- alized layer at the thickness of about 100 nm formed with similar structure to apatite, and ratio of calcium to phos- phate which was close to the enamel's. Under pressure of 300 µN, mineralized layer showed a scratch limited value with microhardness at (3.37±0.62) GPa and elastic modulus at (60.48±4.56) GPa, both close to 75% value of origi- nal enamel. These results indicate that mesoporous bioactive glass can rapidly repair etched enamel and prevent teeth from caries. Therefore, the mesoporous bioactive glass may be used as bionic remineralization materials.
Single-walled carbon nanotubes/polyaniline-coated polyester thermoelectric textile with good interface stability prepared by ultrasonic induction

Wearable electronic devices such as medical sensors, hearing aids and wristwatches can run on power of μW levels. Thermoelectric (TE) generators have the potential to provide power to wearable electronic devices, because they can effectively convert body heat into electrical energy. This study presents a flexible TE generator by applying single-walled carbon nanotube/polyaniline (SWNT/PANI) composites to polyesters, and it was found that ultrasonic induction can enhance the interfacial stability between SWNT/PANI composites and polyesters. The flexible TE generator can generate a TE voltage of 3.82 mV at a temperature difference of 115 K. Moreover, the TE generator can supply a maximum output power of 48.0 nW to the load at a temperature difference of 75 K. In addition to good flexibility and ventilation, the SWNT/PANI textile TE generator displays no change in performance on repeated bending for 150 cycles with a radius of 5 mm, which is important for wearable electronic devices.
Fabrication and biological evaluation in vivo of an injectable keratin hydrogel as filler materials

Filler materials of soft tissue should have good biodegradable absorption and biocompatibility. To investigate feasibility of keratin hydrogels used as filler materials, a keratin with high molecular weight and self-assembly ability was extracted from human hair using a modified reduction method and was characterized using sodium dodecyl sulfate–polyacrylamide gel electrophoresis, Fourier transform infrared, and X-ray diffraction. An injectable keratin hydrogel was also prepared and its water absorption, cell toxicity, and histological behavior were evaluated by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide method and subcutaneously implanted experiment. The results showed that the modified extraction method could keep the activity of the keratin and provided the self-assembly crosslinked ability of the keratin. The water absorption of the keratin hydrogel could be controlled by adjusting some preparation parameters and the percentage of water absorption was up to 850%. In addition, the subcutaneous injection experiment for Sprague Dawley rats indicated that the keratin hydrogel had good biocompatibility and could promote the formation of angiogenesis as well as proliferation. It can be predicted that the keratin extracted from human hair and keratin hydrogel have good application prospects in the field of filler materials for soft tissue.
Conformity behaviour of secondary school students in relation to intelligence and socio-economic status

Conformity is the act of matching attitudes, beliefs and behavior to group norms. The present study was conducted on a sample of 150 secondary school boys and girls (75 students of class 9th and 75 students of class +1) from three schools of Amritsar city affiliated to Punjab School Education Board. Conformity Behavior Scale, Standard Progressive Matrices and Socio-Economic Status Scale was used for assessment of variables. The data analysis clearly indicates a significant difference in conformity behavior of class 9 and class +1 students i.e. conformity increases with age. Significant gender difference in conformity behaviour also found at class 9 level, but no significant gender differences in conformity behavior were found at +1 level, however boys of class +1 shown more conformity than girls. Girls of both the classes belong to higher socio economic status and are more intelligent than boys but show less conformity. Results show significant positive correlation between conformity, intelligence and socio-economic status at both the levels.
Life on the edge: behavioural and physiological responses of Verreaux's sifakas (Propithecus verreauxi) to forest edges

Abstract Forest edges change micro-environmental conditions, thereby affecting the ecology of many forest-dwelling species. Understanding such edge effects is particularly important for Malagasy primates because many of them live in highly fragmented forests today. The aim of our study was to assess the influence of forest edge effects on activity budgets, feeding ecology, and stress hormone output (measured as faecal glucocorticoid metabolite – fGCM – levels) in wild Verreaux's sifakas (Propithecus verreauxi), a group living, arboreal lemur. We observed five habituated groups: three living in the forest interior and two at an established forest edge. There was no difference in average daily temperatures between edge and interior habitats; however, within the edge site, the average daily temperature incrementally increased over 450 m from the forest edge towards the interior forest of the edge habitat, and the population density was lower at the edge site. Activity budgets differed between groups living in the two microhabitats, with individuals living near the edge spending more time travelling and less time feeding. Groups living near the edge also tended to have smaller home ranges and core areas than groups in the forest interior. In addition, edge groups had elevated average fGCM concentrations, and birth rates were lower for females living in the edge habitat. Combined with lower levels of fruit consumption at the edge, these results suggest that nutritional stress might be a limiting factor for Verreaux's sifakas when living near a forest edge. Hence, Verreaux's sifakas appear to be sensitive to microhabitat characteristics linked to forest edges; a result with implications for the conservation of this critically endangered lemurid species.
THE IMPACT OF THE ROLE OF THE GOVERNMENT, COMMUNITY PARTICIPATION IN THE DEVELOPMENT OF TRI HITA KARANA-BASED ECOWISATA ON COMMUNITY WELFARE IN BALI

The concept of sustainable tourism development becomes the foundation in the development of tourism in Bali, with the aim to be able to greatly improve the welfare of present and future generations. Tourism development involving the government, tourism businesses and local communities. One of the villages in Bali developed with the concept of Ecotourism is Jatiluwih Village, located in Penebel District, Tabanan Regency. Problems that occur in Jatiluwih Village related to THK-based Ecotourism development are community participation and less than optimal economic impact. This study aims to develop quality tourism products with the concept of Ecotourism based on Tri Hita Karana, by analyzing the relationship between the variables of Government Role, Community Participation, Development of Ecotourism based on Tri Hita Karana (THK) and Community Welfare. Primary data collection, using survey methods with questionnaire instruments. The method used in this research is quantitative analysis with Structural Equation Modeling (SEM). The sampling technique uses proportional random sampling with a sample size of 130 people. Primary data is analyzed through three stages namely, first descriptive analysis, to provide a general description of the data, secondly associative analysis, with the aim of explaining the relationship between variables, third testing the hypothesis with SEM. The results showed the greater influence of the Government's Role, Community Participation on THK-based Ecotourism Development, the more significant the influence of THK-based Ecotourism on Community Welfare in Jatiluwih Village, Bali Province. Community participation is consultative in that the community is not only informed but also invited to share opinions, although there is no guarantee that the opinions expressed will be taken into consideration in decision making.
A Low noise Low power Chopper Stabilized Biopotential Amplifier for Biomedical Applications

This paper presents a chopper-stabilized biopotential amplifier designed to amplify ECG and EEG signals. Such amplifier plays an important role in the acquisition of bio-signals in analog front-end of the signal monitoring system. The proposed amplifier is designed with considering primary design goals like power, noise, gain, CMRR, area and offset. To reduce the flicker noise and offset, the chopper stabilization technique is used with OTA. As the parameters like offset, input impedance and 3-dB bandwidth are crucial for monitoring the bio-signals, the chopping frequency for the chopper modulator is carefully selected. Also, due to only one OTA which is the main power consuming block, the overall power dissipation is low. The designed architecture consumes a total power of 8 μW with the gain of 40dB and CMRR of 84 dB. It generates 31nV/√Hz with a THD of 13%. The simulations are carried out in Cadence Virtuoso using 180 nm model parameters.
Adsorptive removal of catechol and resorcinol by orange flavedo (citrus sinensis): mechanisms based on the flavedo com-ponents d-limonene, carotenoids, ascorbates, flavonoids and hydroxycinnamic acids

Orange flavedo and its adsorption behavior towards catechol (Ctc) and resorcinol (Res) were studied. Adsorption experiments were conducted in batch mode at room temperature. X-ray diffraction (XRD), Scanning electron microscopy (SEM), Energy-dispersive X-ray spectroscopy (EDX), Brunauer−Emmett−Teller (BET) and Fourier transform infrared (FTIR) data were used to characterize the biosorbent. The Effects of various parameters including equilibrium pH, sorbent dosage, initial adsorbate concentration and contact time were investigated. The optimum contact time and pH for the removal of Ctc and Res were 35 min and pH 2 respectively. The adsorption isotherms fitted well with Freundlich model, the adsorption of Ctc and Res being multilayer and the surface of orange flavedo heterogeneous; the pseudo-second order kinetic model better reflects the adsorption phenomena. An adsorption mechanism based on the molecules grafted to the surface of the orange flavedo is proposed in this study. 0.2 gram of the biosorbent was sufficient to completely eliminate 2.2 milligrams of resorcinol and catechol from solution. Therefore, non-modified orange flavedo is a promising candidate, as a low-cost biosorbent, for the removal of Ctc and Res from aqueous solution.
Catch You With Cache: Out-of-VM Introspection to Trace Malicious Executions

Out-of-VM introspection is an imperative part of security analysis. The legacy methods either modify the system, introducing enormous overhead, or rely heavily on hardware features, which are neither available nor practical in most cloud environments. In this paper, we propose a novel analysis method, named as Catcher, that utilizes CPU cache to perform out-of-VM introspection. Catcher does not make any modifications to the target program and its running environment, nor demands special hardware support. Implemented upon Linux KVM, it natively introspects the target’s virtual memory. More importantly, it uses the cache-based side channel to infer the target control flow. To deal with the inherent limitations of the side channel, we propose several heuristics to improve the accuracy and stability of Catcher. Our experiments against various malware armored with packing techniques show that Catcher can recover the control flow in real time with around 67% to 97% accuracy scores. Catcher incurs a negligible overhead to the system and can be launched at anytime to monitor an ongoing attack inside a virtual machine.
Powertrain Modeling and Range Estimation of The Electric Bus

The driving range of Battery Electric Vehicles (BEVs) has been fairly extended during recent years, as a consequence of improvements in energy density of lithium-based batteries. As the scope of application of electric vehicles has expanded, electric motors have been used in trucks and buses, as well as simple passenger vehicles. There are several issues in electric buses for the decision of daily route and finding the optimal battery size. In this work, we propose and incorporate an electric bus powertrain model into a range estimator that takes into account slope, speed limits as well as traffic information. We introduce two case studies as applications of the proposed range estimator: (i) the fast route decision and (ii) the iteration-based bus battery sizing. Keywords–Electric vehicle; powetrain model; range estimator.
Adaptation of Schedules and Scheduling Parameters in Cybernetic Systems

—In the automotive domain, components are increasingly based on software that is being integrated through fewer and more powerful connected computing systems. With the main focus being the control of hardware with actuators and the monitoring of sensors, such systems are inherently complex. Additionally, their functions have both static and dynamic dependencies. Functions appear in a huge number with a large variety of dependencies. For decades, cybernetic approaches have been used to handle the complexity of dynamic systems in a natural manner. They have proven effective in different scientiﬁc domains like economics and management, governance, social sciences, and technical systems. Based upon the experience with a ﬂexible energy and power management in the automotive industry (fEPM) we transfer those ﬁndings to software systems of sophisticated cars integrating more and more functions and components. We have identiﬁed Stafford Beer’s Viable System Model (VSM) as a promising approach. We follow this approach step by step, starting with a basic VSM-based system/component. Using the principle of recursivity, we build horizontal and vertical combinations of systems resulting in powerful computational nodes with dynamic load depending on the individual feedback control systems and the control loops of all layers. Having the whole software stack in mind, we started to investigate modern microkernels (like seL4, Fiasco.OC and other) with their components. The scheduling, besides others, is the most promising component, where a VSM structure can be established. Here, we introduce an adaptive scheduler for the scheduling of an automotive workload, in which a machine learning process could exist. This is in line with other approaches in the ﬁeld of autonomic or organic computing. A simpliﬁed energy and power management serves as an example for illustrating the applicability and usefulness of Beer’s VSM in technical software systems.
Structural study of the hydrotalcite-carbon composite and its use for the removal of aqueous sulphate

This investigation centers in the synthesis of solids with adsorptive properties of porous carbons and selective like hydrotalcites. Activated carbons are materials widely used for the removal of pollutants. The combination with materials like hydrotalcites, increases its capacity to adsorb contaminants anionic of aqueous solutions. In this work, hydrotalcites supported on activated carbon were synthesized. The compounds were prepared at 5.0%, 7.5%, and 10.0% of MgO-Al2O3; on activated carbon. The solids were evaluation in the adsorption of sulfate anions in an aqueous solution, it shows a greater capacity of adsorption than the activated carbons without support, specifically more than 90%. This result is very relevant for the water filter industry, due that at low concentrations, usually ordinary materials do not adsorb with facility the sulfate. The removal of the sulfate anions was facilitated by the synthesis of hydrotalcite supported on activated carbon. The synthesized solids were characterized by X-ray diffraction, Fourier transform infrared, thermogravimetric analysis with differential scanning calorimetry, specific surface area measures by the Brunauer– Emmett–Teller method and pore size by the Barrett–Joyner–Halenda method. This confirms the presence of hydrotalcites supported on activated carbon. In all solids were presented mesoporous in the form of slits, others presented micropores like the solid CA-5.0D. These characteristics convert to this material in an adsorbent potential of sulfate anions in aqueous solutions.
Reinvestigation of 85Kr Branching in the Light of New 82, 84, 86Kr Neutron Capture Cross Section Measurements

High resolution neutron capture cross section measurements of 3 stable krypton isotopes, 82Kr, 84Kr and 86Kr, have been performed at the Geel Linear Accelerator (GELINA) on both resolved and unresolved resonance region. In addition, a total cross section measurement on 84Kr has also been performed in the energy range from 1 eV up to 120 kev. Accurate values of the Maxwellian–averaged capture cross section have been derived for all isotopes for stellar temperatures ranging from kT=5 up to 100 keV. A re–investigation of the s–process in the mass region around the prominent branching at 85Kr has been undertaken in the light of our new results.
Abstract Modeling of Systems Communication in Constructive Cryptography using CryptHOL

—Proofs in simulation-based frameworks have the greatest rigor when they are machine checked. But the level of details in these proofs surpasses what the formal-methods community can handle with existing tools. Existing formal results consider streamlined versions of simulation-based frameworks to cope with their complexity. Hence, a central question is how to abstract details from composability results and enable their formal veriﬁcation. In this paper, we focus on the modeling of systems communication in composable security statements. The existing formal models consider ﬁxed communication patterns to reduce the complexity of their proofs. However, as we will show, this can affect the reusability of security statements. We propose an abstract approach to modeling systems communication in Constructive Cryptography that avoids this problem. Our approach is suitable for mechanized veriﬁcation and we use CryptHOL, a framework for developing mechanized cryptography proofs, to implement it in the Isabelle/HOL theorem prover. As a case study, we formalize the construction of a secure channel using the Difﬁe-Hellman key exchange and a one-time-pad. Note