Miracle-dz/UniFAR-FTUs huggingface dataset:
A Green Analytical Method for the Simultaneous Estimation of Levofloxacin Hemihydrate and Ambroxol Hydrochloride Using Hydrotropy and First Derivative UV Spectroscopy

A simple, economical and ecofriendly method for simultaneous quantification of Levofloxacin hemihydrate (LVF) and ambroxol hydrochloride (ABH) has been developed which is found to be accurate and precise. It is based on the first derivative spectrophotometric method and the two wavelengths selected for the quantification of ABH and LVF were 255.70nm (zero crossing point for LVF) and 353nm (zero crossing point for ABH) respectively. 0.1N urea is used as solvent for dissolving the sample as well as for dilution. The first derivative amplitude-concentration plots were linear over the range of 5-40µg/ml and 3-10. 5µg/ml with detection limits of 0.25 and 0.3025 µg/ml and quantification limits of 0.833 and 1. 008µg/ml for LVF and ABH respectively. The % assay value was within the range of 99.57-102.0%. Since the % relative standard deviation for precision and accuracy of the method was found to be less than 2%, the method can be employed for the quality control tests of studied drugs in their formulations.
Biosynthesis and Characterization of Silver Nanoparticles Produced by Bacillus licheniformis

Silver nanoparticles were synthesized using Bacillus licheniformis isolated from Al Thwara hot spring, Oman. Both supernatant and biomass of B. licheniformis were tested for their ability to reduce silver nitrate solution to silver nanoparticles by adding 1 and 3mM silver nitrate solutions. Silver nanoparticle production was observed both in supernatant and biomass B. licheniformis. Biosynthesis of silver nanoparticles occurred in presence of light. The particles maintained a good stability over time course. Small sized silver nanoparticles were produced when using 1 mM silver nitrate solution. The particle size ranges from 3 to 130 nm in supernatant with 1mM silver nitrate and 45-170 nm in supernatant with 3mM silver nitrate. On the other hand, 3 to 130nm and 45-168 nm particle size have been observed in biomass with 1mM and 3mM silver nitrate respectively. The average size of silver nanoparticles was 66 nm for 1 and 3mM silver nitrate solution with supernatant and 110 and 107 nm for 1 and 3mM silver nitrate solution with biomass respectively. However, AgNPs with 35 and 38nm size had a high percent intensity when 1mM AgNO3 was used with supernatant and biomass.
The Rolling Resistance, Wear and Traction Properties of Tread Compounds

Abstract The paper gives a brief survey of the state of friction and abrasion research with a view of the possibility to use laboratory methods for the development of new compounds with optimal traction and abrasion properties. It shows that viscoelasticity plays a decisive role in friction and in this way measurements of the dynamic properties give a good indication of the possibilities for good traction properties. However, friction is still a good deal more complex than the modulus or loss factor curves. It takes in different frequency ranges and temperatures in the contact area so that a direct laboratory measurement of these properties is still very desirable. If the speed and temperature correspond to the log aTv values experienced in practice and the laboratory track structure and texture is not too far removed from that of road surfaces, the correlation with road tests is high. To simulate the structure and texture of road surfaces with durable laboratory surfaces, a combination of two surfaces ma.
Transdiagnostic neural correlates of affective face processing in anxiety and depression

It is unknown whether there are neurobiologic differences between various anxiety and depressive disorders, or whether they are characterized by shared neurobiologic variation that cuts across diagnostic boundaries. For instance, multiple anxiety disorders and depression may be characterized by abnormalities in blood oxygen–level dependent (BOLD) response during the processing of affective scenes and faces. To interrogate the shared or unique nature of these aberrations, research that examines the influence of transdiagnostic, dimensional predictors across multiple diagnoses is needed.
Generalized Scene Reconstruction

A new passive approach called Generalized Scene Reconstruction (GSR) enables "generalized scenes" to be effectively reconstructed. Generalized scenes are defined to be "boundless" spaces that include non-Lambertian, partially transmissive, textureless and finely-structured matter. A new data structure called a plenoptic octree is introduced to enable efficient (database-like) light and matter field reconstruction in devices such as mobile phones, augmented reality (AR) glasses and drones. To satisfy threshold requirements for GSR accuracy, scenes are represented as systems of partially polarized light, radiometrically interacting with matter. To demonstrate GSR, a prototype imaging polarimeter is used to reconstruct (in generalized light fields) highly reflective, hail-damaged automobile body panels. Follow-on GSR experiments are described.
OPTIMIZATION AND VALIDATION OF HIGH-PERFORMANCE LIQUID CHROMATOGRAPHIC METHOD WITH UV DETECTION FOR THE DETERMINATION OF EPROSARTAN MESYLATE IN RAT PLASMA AND URINE

Objectives: The objectives of this research were to develop and validate a reverse phase-high performance liquid chromatography (RP-HPLC) method for determination of eprosartsan (ES) in rat plasma and urine using diclofenac sodium (DC) as an internal standard (I.S). Methods: Plasma sample was treated with deproteinizing agent which is acetonitrile. The proposed method was based on using a 250 x 4.6 mm (i.d.) Phenomenex cyanopropyl column (5 µm particle size) with mobile phase consisting of 25 mM ammonium acetate buffer pH 3.7–acetonitrile, in ratio of (70:30, v/v) and UV detection at 240 nm with flow rate of 1.2 mL min-1. Results: ES eluted at 6.09 ± 0.07 minutes while the elution time for DC (I.S) was 10.69 ± 0.08 min. The linear calibration range for ES was observed between 0.05-20 μgmL-1 in rat plasma and urine. The method was found to be accurate with 99.25% and 99.70% recovery in rat plasma and urine respectively, precise as the coefficient of variation (CV%) of inter day and intraday precision was less than 2%. The limit of detection (LOD) was found to be 3.29 x10-2 μg mL-1 and 3.56 x10-2 μgmL-1 in rat plasma and urine respectively, while the limit of quantification (LOQ) was found to be 1.09x10-1 μg mL-1 and 1.19x10-1 μg mL-1 in rat plasma and urine respectively. Conclusion: A novel specific, accurate, precise chromatographic method was developed for quantitative estimation of ES in rat plasma and urine. The validation study of the proposed method was successfully carried out and the method was found suitable and economic for routine determination of eprosartan in rat plasma and urine.
Russian Stimulation, Burst Mode Alternating Current (BMAC) and Aussie Stimulation Overview There is a degree of confusion with regards this intervention, mostly caused by there being several 'names'

Essentially, this type of electrical stimulation employs what is referred to as a medium frequency alternating current (in the low kHz range thousands of cycles a second), which is delivered in a pulsed (or burst or interrupted) output. The pulsing or bursting is at a 'low' frequency, and as a result, nerves will respond. It is primarily employed as a means to generating a motor response, though as will be seen (below), it has also been investigated as an electro-analgesia type intervention.
Mode I fracture toughness of bio-fiber and bio-shell particle reinforced epoxy bio-composites

The effect of bio-fibres and bio-particles on the fracture toughness has been investigated. Epoxy resin is used as matrix material and different bio-fibers such as banana fiber, bagasse fiber, coconut fiber and particles such as silica and walnut shell particle with different wt% are added as reinforcing material. The mode I fracture toughness tests are conducted in a servo hydraulic universal testing machine. The results show that the fracture toughness of bio-composites reinforced with 20 wt% bagasse or 10 wt% coconut fiber are 1.108 MPa √m and 1.094 MPa √m, respectively which are about 8% and 7% higher than neat epoxy. Addition of 2 wt% of silica with 20 wt% of bagasse shows 60% increment of fracture toughness with respect to bagasse and 72% increment with respect to neat epoxy. Hybridisation of bagasse with banana fibers shows 54% decrease in fracture toughness as compared to bagasse and 13% increase as compared to banana. The overall fracture toughness of hybrid bio-composite of 10 wt% coconut fiber and 20 wt% of walnut shell particle is 1.367 MPa √m which is about 25% higher than coconut fiber reinforced bio-composite.
Anterior/Posterior Competitive Deactivation/Activation Dichotomy in the Human Hippocampus as Revealed by a 3D Navigation Task

Anterior/posterior long axis specialization is thought to underlie the organization of the hippocampus. However it remains unclear whether antagonistic mechanisms differentially modulate processing of spatial information within the hippocampus. We used fMRI and a virtual reality 3D paradigm to study encoding and retrieval of spatial memory during active visuospatial navigation, requiring positional encoding and retrieval of object landmarks during the path. Both encoding and retrieval elicited BOLD activation of the posterior most portion of hippocampus, while concurrent deactivations (recently shown to reflect decreases in neural responses) were found in the most anterior regions. Encoding elicited stronger activity in the posterior right than the left hippocampus. The former structure also showed significantly stronger activity for allocentric vs. egocentric processing during retrieval. The anterior vs. posterior pattern mimics, from a functional point, although at much distinct temporal scales, the previous anatomical findings in London taxi drivers, whereby posterior enlargement was found at the cost of an anterior decrease, and the mirror symmetric findings observed in blind people, in whom the right anterior hippocampus was found to be larger, at the cost of a smaller posterior hippocampus, as compared with sighted people. In sum, we found a functional dichotomy whereby the anterior/posterior hippocampus shows antagonistic processing patterns for spatial encoding and retrieval of 3D spatial information. To our knowledge, this is the first study reporting such a dynamical pattern in a functional study, which suggests that differential modulation of neural responses within the human hippocampus reflects distinct roles in spatial memory processing.
Atomic layer deposition of zinc oxide onto and into P3HT for hybrid photovoltaics

Hybrid organic–inorganic bulk heterojunction (BHJ) photovoltaic devices continue to be a promising alternative for present semiconductor solar cell technology. However, to become competitive hybrid devices must improve their currently low efficiencies. A major challenge to overcome is the control over the hybrid morphology, and more specifically, directing interpenetrated nano-scale phase separated continuous networks through the active layer. Here we demonstrate that atomic layer deposition (ALD) can be used to deposit hybrid BHJ photovoltaic films with exceptional control over film composition and morphology. The BHJ is prepared by exposing a pre-formed conjugated polymer film to an ALD alternating sequence of a metal oxide precursor and water. In this study ZnO was grown from cycles of diethyl zinc (DEZ) and water inside pre-formed P3HT films. We find that DEZ diffuses into the amorphous regions of the P3HT film, followed by oxidation by water to form ZnO crystalline particles (5–10 nm). Importantly, the inorganic crystalline phase is formed within the polymer amorphous regions while the ordered polymer domains are maintained. Investigation of the growth mechanism and control over the number of ALD cycles allowed us to direct a BHJ morphology with: (I) a continuous ZnO network through the P3HT film; (II) a descending concentration gradient of ZnO from the top surface down to the substrate; and (III) a dense ZnO electron transporting layer on the polymer film surface. The successful morphology-control is manifested in efficient photocurrent generation, evident from time resolved microwave-photoconductivity measurements and device performances that are similar to those reported for intensely optimized conjugated polymer/metal oxide solar cells.
Adaptive hypermedia content authoring using MOT3.0

Ideally, in a web environment, each person should receive the exact information that he/she needs. If the needs of the users vary across a large number of people, then the task of creating sections of information, and putting those together in the right order can be daunting. This tasks falls to the author of adaptive hypermedia and this is the reason why research into better tools, that automate part of the authoring tasks, or make individual authoring tasks easier, is continuing. In this paper we present MOT3.0, which is an improved version of our main authoring tool, MOT.
Hydrogenosomes: One Organelle, Multiple Origins

Abstract Hydrogenosomes, membrane-bounded organelles that compartmentalize the terminal reactions of cellular energy metabolism, were first described in the parabasalid flagellate Tritrichomonas foetus as subcellular compartments that produce hydrogen and ATP (adenosine triphosphate). Since then, these organelles have been described in a number of different unicellular eukaryotes adapted to microaerobic or anoxic environments. Recent studies have led researchers to consider hydrogenosomes as variations of mitochondria adapted to anaerobic environments, a concept that is supported by the finding of rudimentary mitochondrial-remnant organelles in organisms previously considered devoid of energy-generating organelles (the Archezoa). The relationship of these energy-generating organelles to each other and to the mitochondrion has been examined by many researchers, and several theories have been put forward to explain their origins. In this article, we hope to correct some misconceptions concerning the relationships of the hydrogenosomes so far described, and to put forward an argument that supports the concept that hydrogenosomes evolved repeatedly, either from a protomitochondrion or from differentiated mitochondria.
Exoskeleton and the remote teleoperation projects

From exoskeleton to the remote teleoperation, the development of patents related to space exploration later provided significant opportunities in many fields of sciences such as medicine, robotics, underwater expeditions, hazardous work, industrial assembly, and even during everyday work as mowing. Antal K. Bejczy the Hungarian born innovator was working on the technical part of these projects, under his work at JPL the technology turned over to private industry, like the remote control. Bejczy and the college's evaluation report was used by the Johnson Space Center Space Shuttle Arm's research in 1984. The focus of the report from 1982 was the Evaluation of smart sensor displays for multidimensional precision control of Space Shuttle remote manipulator.
Structure and corrosion resistance of gradient and multilayer coatings

Purpose: Investigation of the structure and corrosion resistance of the TiN, TiN+multiTiAlSiN+TiN, TiN+TiAlSiN+TiN, TiN+TiAlSiN+AlSiTiN coatings deposited by PVD process and TiCN+TiN, TiCN+Al2O3+TiN, TiC+TiCN+Al2O3+TiN, TiN+Al2O3 coatings deposited by CVD process. Design/methodology/approach: The metallographic examinations (SEM), the examinations of thin foils (TEM), investigation of the electrochemical corrosion behavior of the samples in a PGP 201 Potentiostat/ Galvanostat, in a three-electrode chamber was done. Findings: Corrosion current density – corrosion rate was determined by analysis of the potentiodynamic polarization curves. Relationships of structure and corrosion properties has been presented. Research limitations/implications: Implication of the investigation results are researches of corrosion properties in high temperature. Practical implications: Employment of the surface treatment technology for tools, made from tool materials, with the PVD and CVD methods, to obtain the high wear resistant coatings, makes it possible to improve the properties of these materials in the dry-cutting conditions, by – among others – decreasing their friction coefficient, microhardness increase, improvement of the tribological contact conditions in the cutting toolmachined workpiece zone, and also to improve protection against the adhesion and diffusion wear. Originality/value: Original system of substrate/coating compositions.
Investigation of structure of a thin SiO2 layer as an antifouling and corrosion-resistant coating

The structures of a SiO2 layers synthesized using perhydropolysilazane [PHPS, labeled as SiO2(PHPS)] on both Si and Fe/Si substrates were studied using Fourier transform infrared spectroscopy (FT-IR) and neutron reflectivity (NR) analysis. The FT-IR results revealed that no unreacted PHPS remained and that the primary component of the SiO2(PHPS) layer could be considered to be SiO2. The NR analysis suggested that a uniform SiO2(PHPS) layer was synthesized on the Si and Fe/Si substrate and that the density of this SiO2(PHPS)layer was lower than that of natural SiO2. In addition, the density of the SiO2(PHPS) layer was altered by varying both the thickness and the type of substrate used. These results indicated that the variation in the density of the SiO2(PHPS) layer depended on the efficiency of cross-linking reaction between the silazane oligomers in the PHPS coating. ©2016 The Ceramic Society of Japan. All rights reserved.
A hardware supported method of RDMA transmission for unreliable networks

As to unreliable networks, like Ethernet, waiting for connection establishment can be inefficient during RDMA (Remote Direct Memory Access) transmission. Aiming at solving long waiting problem, a hardware supported RDMA method, DRDMA (Dynamic RDMA), was proposed in this paper. DRDMA, providing a new indirect transmission mode and corresponding dynamic switch policy based on traditional RDMA method, allowed starting RDMA transmission at the same time with connection establishment by sending packages first to indirect buffer in RNIC and copying them later to host memory, which was totally transparent to upper layers. Based on Gigabit Ethernet, we built node models of DRDMA method and set up simulation platforms to perform experiments. Experimental results show that for unreliable networks, DRDMA not only can solve the long waiting problem of connection establishment with little extra hardware cost, but also can provide higher transmission performance compared with traditional RDMA method.
Three-dimensional laser micromachining and imaging of biocompatible polymers

Micromachining of three-dimensional structures in biocompatible elastomers with a femtosecond laser oscillator is demonstrated. This technique may be applicable to controlling the topography of scaffolding for cell micropatterning in tissue engineering.  2001 Optical Society of America OCIS codes: (220.4000) Microstructure fabrication; (180.6900) 3D microscopy; (140.3440) Laser-induced breakdown
A mobility-assisted protocol for supervised learning of link quality estimates in wireless networks

In this paper we propose MAPPLE, a novel method to learn link quality estimates in wireless networks. The method is a two-step process that combines a online distributed protocol, for gathering link quality measurements, with a supervised learning approach, for offline data processing and model building. The distributed protocol exploits channel probing and node mobility, while the offline learning is based on Support Vector Regression (SVR). The core idea is to use the online protocol to dynamically reshape a given network to generate a large number of different network configurations from which we sample, through the transmission of probe packets, link quality measures. Each measure is associated to a vector of network features, related to interference, traffic loads, and local topology, that jointly contribute to the definition of the observed link quality. Quality measures and network features are used to train the SVR model for link quality prediction. We validate our approach by extensive simulation tests, showing the good link quality prediction accuracy of the system, as well as its ability to generalize to networks much larger than the ones used to gather the training data.
BIODEGRADATION OF TEXTILE WASTE BY BACTERIAL STRAINS

Harmful effects of textile industry effluents are a huge problem for now a days. It creats many problems at different level of ecosystem. The textile industry generates a high volume of waste products. Approx. seventy tons of dye is used annually. A big portion of such amount is discharged in a huge amount of water whic h affects the quality of water. They are cause of high BOD, COD sulphate, low dissolve oxygen and strong colour, which is the most serious problem of today. The treatment and reuse o f industrial waste is now an attractive option as because of the sustainable development of environment and also because of the increasing demand for water and decrease in supply. The removal of waste from the textile effluent has been carried out by physical, chemical and biological methods. The physical and chemical techniques are electrochemical destruction , anion exchange resin, , ozonation, floatation, flocculation, electro floatation, rever se osmosis, irradiation, adsorption, coagulation, nano filtration, ultrafiltration and m icrofiltration fungal discolouration. The ability of microorganisms to degrade and metabolize a wide variety of compounds has been recognized and exploited in various biotreatment pr ocesses. This studyhelps in investigating the chemical, physical along with the biological tr eatment techniques focusing on the
Comparative study of brain morphology in Mecp2 mutant mouse models of Rett syndrome

Rett syndrome (RTT) is caused by mutations in the X‐linked gene MECP2. While patients with RTT show widespread changes in brain function, relatively few studies document changes in brain structure and none examine in detail whether mutations causing more severe clinical phenotypes are linked to more marked changes in brain structure. To study the influence of MeCP2‐deficiency on the morphology of brain areas and axonal bundles, we carried out an extensive morphometric study of two Mecp2‐mutant mouse models (Mecp2B and Mecp2J) of RTT. Compared to wildtype littermates, striking changes included reduced brain weight (≈13% and ≈9%) and the volumes of cortex (≈11% and ≈7%), hippocampus (both by ≈8%), and cerebellum (≈12% and 8%) in both mutant mice. At 3 weeks of age, most (24 of 47) morphological parameters were significantly altered in Mecp2B mice; fewer (18) were abnormal in Mecp2J mice. In Mecp2B mice, significantly lower values for cortical area were distributed along the rostrocaudal axis, and there was a reduced length of the olfactory bulb (≈10%) and periaqueductal gray matter (≈16%). In Mecp2J mice, while there was significant reduction in rostrocaudal length of cortex, this parameter was also abnormal in hippocampus (≈10%), periaqueductal gray matter (≈13%), fimbria (≈18%), and anterior commissure (≈10%). Our findings define patterns of Mecp2 mutation‐induced changes in brain structure that are widespread and show that while some changes are present in both mutants, others are not. These observations provide the underpinning for studies to further define microarchitectural and physiological consequences of MECP2 deficiency. J. Comp. Neurol. 508:184–195, 2008. © 2008 Wiley‐Liss, Inc.