Search

Accidents are undesirable, incidental and unexpected events that can be prevented if they are recognized and acted upon, prior to their occurrence. Driver drowsiness is one of the major causes of road accidents. A solution to this problem is inclusion of a drowsiness warning system in vehicles to warn the driver of drowsiness. The main objective of this paper is to develop a non-intrusive real-time drowsiness warning system by monitoring eye state of the driver. The proposed system uses eye-aspect-ratio and is implemented in Raspberry Pi. This system is optimized using three techniques, by re-sizing the frame to be processed, using a single eye for drowsy detection and by not processing every frame. The selection of frames is based on analyzing the redundancy nature of video frames. This system is designed by considering several factors to minimize frame processing latency to match with Raspberry Pi’s processing speed.

Memories of lifetime experiences, events and facts are thought to be acquired through part of the brain region termed hippocampus. These memories are very distinct when they form initially. However, in due course of time after their formation, these memories become less specific. This process of losing specificity and being able retrieve a memory at the presentation of cues that are related, though not necessarily the same as the one that was initially used, is termed generalisation. In this review, first we propose a modification to the categorisation of memories based on lifetime of memories and then proceed forward to introduce the idea of memory consolidation at various scales and their relevance to generalisation. We conclude by reviewing some of the recent pertinent methodologies and their basis in performing these studies.

The study outlines the role of chitosan, a biopolymer on corrosion behavior of Hy/nano-TiO2 based sol-gel coating over aluminum metal. In this study organic-inorganic hybrid sols were synthesized through hydrolysis and condensation of 3-glycidoxypropyltrimethoxy silane (GPTMS), tetraethoxysilane (TEOS) and titanium (IV) isopropoxide (TIP) in acidic solution. Chitosan was doped into sol-gel matrix and self-assembled over aluminum substrate. The resultant chitosan-doped-Hy/nano-TiO2 sol-gel coating was characterized by Fourier Transform Infrared (FT-IR) spectra, Raman spectroscopy, X-ray photoelectron spectroscopy (XPS), Scanning Electron Microscopy (SEM), Atomic Force Microscopy (AFM) and Energy-Dispersive X-ray Spectroscopy (EDX) analyses. The as-tailored aluminum substrate was evaluated for corrosion resistance in neutral medium. The protection ability of these coatings was evaluated by electrochemical impedance studies (EIS) and potentiodynamic polarization (PP) measurements in 3.5% NaCl medium. The EIS and PP results showed that chitosan-doped- Hy/nano-TiO2 sol-gel coating exhibited better protection from corrosion than the undoped Hy/TiO2 nanocomposite coating.

Background : Nephrotic syndrome (NS) generally tends to follow a benign and chronic relapsing course. Relapses are a major problem in children with steroid sensitive NS (SSNS). Objective: To identify the risk factors for frequent relapse (FR) in the first episode childhood SSNS. Methods: This prospective study was conducted in the Government Dharmapuri Medical College Hospital, Tamil Nadu, between July 2013 and January 2016. Children aged 9 months - 12 years with a diagnosis of SSNS (first episode) who came for follow-up for at least 12 months in the pediatric nephrology clinic were included. The enrolled cases were divided into 2 groups: (1) frequent relapser (FR) and (2) infrequent relapser (IFR). 9 factors were studied as possible risk factors for relapse. The data collected were analyzed using Chi-square test and Student’s t-test. Results: Of 160 SSNS children, there were 92 (57.5%) cases of IFR and 68 (42.5%) cases of FR. There were 97 males (60.6%) and 63 females (39.4%) with a male to female ratio of 1.5:1. The mean age of presentation was 4.37±2.32 years. The mean time taken to achieve remission during the first episode was 1.94±1.04 weeks. The interval between remission and first relapse was 5.56±4.51 months. Incidence of infection and hypertension was 31.9% and 37.5%, respectively. Risk factors significantly associated with FR were: Time taken to achieve remission during the first episode (>14 days) (p

An organic crystal of 3-Hydroxypyridinium 4-nitrobenzoate (3HPNB) of size 3 × 9 × 3 mm 3 has been grown by the slow evaporation technique at room temperature. The cell parameters for the grown crystal were confirmed using X-ray diffraction method. FTIR, FTRaman and 1 H NMR spectral studies were carried out to confirm the functional groups present in 3HPNB. The theoretical factor group analysis of 3HPNB predicts the total number of the vibrational mode exhibited by the molecule. Thermogravimetric analysis reveals the melting point of 3HPNB. The observed UV cut-off wavelength 387 nm of the grown crystal confirms the suitability of this material for optical applications. The dielectric constant and dielectric loss of 3HPNB establishes the normal dielectric behaviour. The mechanical study for the sample was carried out. The first order hyperpolarizability and energies of HOMO-LUMO are also reported. Emission of green light and low value of second harmonic conversion efficiency of the sample of 3HPNB in Kurtz and Perry method reveals the suitability of the crystal for NLO applications.

The Organometallic single crystals of Cesium hydrogen Tartrate (CT) were grown by slow evaporation solution growth technique. Well defined crystals were obtained with good morphology at pH value of 4. Powder X-ray diffraction studies were performed to confirm the cell parameters of CT. Fourier Transform Infrared (FT-IR) and Fourier Transform Raman spectral (FT-Raman) study were used to confirm the functional groups present in the grown crystal. The thermal stability of the compound was investigated by TG/DTA analyses. The suitability of crystal for optical absorption was studied by UV–vis-NIR spectroscopy. The mechanical and Dielectric behaviors of the grown crystal were also studied. The etching technique was used to study the dislocations in the single crystals. Most of the grown crystals sized from about 5 × 4 × 2 mm. Cesium hydrogen Tartrate (CT) were found to crystallise in the orthorhombic crystal system with the space group of P212121 and lattice parameters; a = 8.0855 A; b = 11.6698 A; c =...

An organic NLO crystal, 2′, 3, 4, 4′, 5-Pentamethoxychalcone (PMC) with a dimension of 13 × 10 × 3 mm 3 was grown by slow evaporation method. The cell parameters of PMC crystal was confirmed by Powder X-ray diffraction. FTIR and FTRaman spectroscopy were used for the identification of functional groups for the various modes of vibrations. The UV cut off range has been determined by using optical absorption study. Thermal stability of the grown crystal has been analysed by TG-DTA studies. Factor group analysis and Dielectric studies were also carried out. Photoluminescence study was performed for PMC. The first order hyperpolarizibility and HOMO–LUMO analysis were performed using DFT calculations using Gaussian 03 software. Non linear optical (NLO) behaviour of PMC crystals is studied by using Kurtz & Perry powder Technique and SHG efficiency has been found 2.02 times higher than that of KDP.

Optically good quality single crystals of Cesium Sulfamate (CeS) were grown by slow evaporation technique. The grown crystals were characterized by various characterization techniques such as single crystal XRD, FT-IR, dielectric, TG/DTA, microhardness and Z-scan studies. Single crystal X-ray Diffraction analysis confirms that the crystal belongs to the monoclinic crystal system. The functional groups present in the crystal was identified by FT-IR analysis. Dielectric studies were measured for the crystal from 50 Hz to 5 MHz at room temperature. The thermal studies were performed to know the thermal behavior. Mechanical behavior of the crystal was measured using Vickers microhardness tester. The etching technique was used to study the dislocations in the single crystals. The nonlinear absorption coefficient (β), nonlinear refractive index (n 2 ) and third harmonic generation studies were also carried out for the title crystal.

Single crystals of ( E )- N ′-(4-chlorobenzylidene)-4-methylbenzenesulfonohydrazide (CBMBSH) have been grown by slow evaporation crystal growth method. The structure stabilizing intramolecular donor-acceptor interactions and the presence of the N H⋯O, C H⋯O and C H⋯C(π) hydrogen bonds in the crystal were confirmed by vibrational spectroscopic and DFT methods. The linear optical absorption characteristics of the solvent phase of CBMBSH were investigated using UV–Vis-NIR spectroscopic and TD-DFT approaches. The 2PA assisted RSA nonlinear absorption and the optical limiting properties of CBMBSH were studied using the open-aperture Z-scan method. The topological characteristics of the electron density have been determined using the quantum theory of atoms in molecules method.

Attendance plays a crucial role in educational institutions, several of the other industries and workplaces. Nowadays it’s taken by standard methodology i.e. Attendance are taken manually. This method takes a great deal of your time and additionally there might be an error. Face recognition system could be a technology capable of distinguishing or confirming someone from a digital image or from a video supply. In this paper, we tend to build a system that marks the presence of students or employees by recognizing their faces and manufacturing the attending sheet automatically. Face Recognition’s accuracy rate is definitely littered with the factors like changes in illumination, posture changes, expression changes, and occlusion. In this paper, a K-means clustering algorithmic rule is employed to research the facial expression. The biometric features of the face unit are extracted and also the K-mean clustering technique is used to cluster the face features. Then, SVM methodology is employed to classify the features of the image. It may accomplish high recognition performance with fewer feature numbers. Finally, a report (attendance sheet) is generated for interpretation.

”Walls have ears” is a wise saying. Due to this rapid technological growth, ears were not enough, so we also needed the walls to have eyes. Then came the surveillance cameras, the “Electronic eyes” which helped to prevent many crimes and put a check to criminals. Now these electronic eyes present in places with high significances such as ATMs, Banks, Hospitals, Government organizations and crowded streets. Blooming up cloud surveillance and remote surveillance techniques have made it very easy for beginners to implement the full surveillance system in mere couple of days. So there requires a system to detect motion and track moving object so that it can prevent crimes and avoid surprise “storage full” issues. This algorithm deals on detecting motion of object with very less computational complexity possible and tracking it.

Single crystals of N’-[(E)-(4-bromophenyl) (phenyl) methylidene]–4-methylbenzenesulfonohydrazide (4BBTH), having potential applications in nonlinear electro optic field. The structure is elucidated by single crystal X-ray diffraction analysis. The functional groups are identified by FT-IR analysis. The band gap energy is estimated using diffuse reflectance data by the application of Kubelka–Munk algorithm. Third-order nonlinear optical properties of the grown crystal were derived by employing a single beam Z-scan technique. Theoretical calculations were performed using density functional theory (DFT) method. Estimated large first-order molecular hyperpolarizality of 9.79 times of urea, suggests a charge transfer atmosphere facilitating micro level nonlinearity.GRAPHICAL ABSTRACT

Our target is focused largely on agriculture. In agriculture, farmers play the most important role. When the price falls after the harvest, farmers face immense losses. A country’s GDP is affected by the price fluctuations of agricultural products. Crop price estimation and evaluation are done to take an intelligent decision before farming a specific type of crop. Predicting the price of a crop will help in taking better decisions which results in minimizing the loss and managing the risk of price fluctuations. In this paper, we predicted the price of different crops by analyzing the previous rainfall and WPI data. We used the decision tree regressor (Supervised machine learning algorithm) to analyze the previous data and predict the price for the latest data and estimate the price for the twelve months to come.

This study presents a rational-designed structure and facile strategy to fabricate tungsten selenide/carbon nanotube (WSe2/CNT) hybrid photoanodes as promising anodes for DSSC applications. The fundamental physic-chemical properties proved that the uniform, pure and tubular WSe2/CNT hybrid nanoparticles were produced and WSe2 nanoparticles were anchored the CNT surface successfully. The WSe2/CNT hybrid nanostructure exhibits higher surface area (107.8 m2/g) and pore size (45.3 nm) than compared with pure WSe2 (86.2 m2/g and 19.8 nm). WSe2/CNT composite exhibits enhanced photo-conversion efficiency (8.85%), electro-catalytic activity and high electron life time (87 ns). The improved PCE of the WSe2/CNT composite is due to the CNTs can reduce electron-hole pair recombination and efficiently inhibit the aggregation of WSe2 for fully exposing the active edges. Those outstanding electrochemical performances of WSe2/CNT hybrid can be assigned to its unique nanoarchitecture: the CNT with high conductivity work as the skeleton of WSe2/CNT anode facilitating the electron transfer; the CNT can effectively prevent WSe2 from the aggregation and promote the in-situ growth of WSe2 on CNT. Moreover, the hybrid structure, which can allow for efficient ionic diffusion and easy electrolyte infiltration.

This work involves optimization of machining parameters of wire cut Electrical Discharge Machining (WEDM) used for maching of AZ31B magnesium (Mg) alloy with molybednum wire to attain the lowest surface roughness from the process. Mg alloys such as AZ31B are light-weight materials with high potential for industrial applications and used in the manufacture of airframes, aircraft engines, helicopter components, automotive parts and light trucks. L9 orthagonal array with three input parameters such as Voltage (V), Pulse on time (μs) and pulse off time (μs) at three levels are used to conduct the experiments. Taguchi method is utilized to study the effect of these parameters on the surface roughness (SR). From the investigation it was found that pulse on time exert the major influnce on surface roughness while Voltage and pulse off-time have lesser influnces on the process to reduce the surface roughness.

The 1-Iodo-3-Nitrobenzene crystal was grown by the slow evaporation method from ethanol solvent. The crystalline structure was identified by powder X-ray diffraction (PXRD). The presence of various functional group of the title material was examined by FTIR analysis. The UV-Vis absorption was carried out which shows the fundamental cutoff wavelength around 390 nm and there is no absorption in the entire visible region 390 nm to 1100 nm. The mechanical strength of the grown crystal was measured by Vicker’s microhardness tester. The thermal toughness of the grown crystal was observed by TGA-DTA and DSC studies. The electrical conductivity of the grown crystal is confirmed by dielectric measurement. The nonlinear optical character was assessed by Kurtz-Perry powder technique. This would propose that 1-iodo-3-nitro benzene crystal is a potentially capable in nonlinear optical applications.

The crystal of NLO interest, organic compound (E)-N′-(4-chlorobenzylidene)-4-methylbenzenesulfonohydrazide (4CBTH) with molecular formula C 14 H 13 ClN 2 O 2 S has been crystallized from solvent ethanol using slow evaporation technique at room temperature. Single crystal XRD analysis was performed and reveals that the crystal is grown with cell parameters a = b =10.8907(3) A, c =21.4542(7) A with non-centrosymmetric space group P6 1 . Various functional groups of the compound were analysed using FTIR and FTRaman spectral analysis. The molecular structure was confirmed by 1 H NMR study. The total number of vibrational modes exhibited by 4CBTH is predicted through factor group analysis. The thermal properties were analysed by TG and DTA analysis and it was found that the 4CBTH crystalline compound is stable up to 175 ° C . The grown material shows a cut-off wavelength of 340 nm and low absorption in the near IR region. The first order hyperpolarizibility and HOMO–LUMO analyses were performed using DFT calculations using Gaussian 03 software. Dielectric and hardness studies were also performed. The SHG relative efficiency was found to be 0.76 times that of KDP. Thus, the characterization of the grown crystal reveals the suitability of the material for NLO applications.

The present work examines the effects of thiourea and its derivatives on corrosion behaviour of hybrid/zirconium (Hy/Zr) nanocomposite based sol-gel coatings. The hybrid sols were prepared by hydrolysis and condensation of 3-glycidoxypropyltrimethoxysilane (GPTMS), tetramethoxysilane (TMOS) and tetra- n -propoxyzirconium (TPOZ) in acidic solution. Thiourea (TU), N -phenylthiourea (PTU), N -methylthiourea (MTU) and N -allylthiourea (ATU) which act as networking agents were doped seperately into the Hy/nano-Zr sol and were self-assembled over aluminum substrates. Fourier transform infrared (FT-IR) spectra, Scanning Electron Microscopy (SEM) and Energy-Dispersive X-ray Spectroscopy (EDX) analyses were employed to investigate structure and morphologies of various coatings. The corrosion protection ability of these sol-gel coatings were evaluated by electrochemical impedance studies (EIS) and potentiodynamic polarization (PP) measurements in 3.5% NaCl medium. The results showed that among the various thiourea derivatives, MTU-doped-Hy/Zr nanocomposite based sol-gel coating exhibited better corrosion protection than the undoped Hy/nano-Zr, TU-doped-Hy/Zr, PTU-doped-Hy/Zr and ATU-doped-Hy/Zr nanocomposite coatings. The enhanced corrosion protection was mainly due to the presence of Hy/nano-Zr particles and electron donating nature of MTU which lead to the formation of densely packed layer functioning as a significant physical barrier against the attack of corrosive ions over the aluminum metal surface.

The intensity required to optically saturate a chromophore is a molecular property that is determined by its absorption cross section (sigma) and the excited state lifetime. We present an analytical description of such a system and show that fluorescence around the onset of saturation is characterized by product of absorption cross section and lifetime. Using this approach we formulate a generalized method for measuring the multiphoton cross section of fluorophores and use it to obtain the absolute three-photon cross-section spectra of tryptophan. We find that the tryptophan three-photon cross section ranges from 0.28 S.I. units (m(6)s(2)photon(-2)) at 870 nm to 20 S.I. units at 740 nm. Further, we show that the product of molecular rate of excitation and de-excitation, denoted as beta, serves as a vital contrasting agent for imaging local environment. Our contrast parameter, 0, is related to fraction of the population present in the excited state and is independent of the fluorophore concentration. We show that beta-imaging can be carried out in a regular two-photon microscope setup through a series of intensity scans. Using enhanced green fluorescent protein (EGFP) fluorescence from the brain slices of Thy-1 EGFP transgenic mice, we show that there is an inherent, concentration independent, variation in contrast across the soma and the dendrite.

Single crystals of Anthranilic acid (AA) have been successfully grown and purity of materials has been increased by repeated recrystallization process. Single crystals have been grown by slow evaporation technique. The grown crystal was characterized by Single crystal X-Ray diffraction, Powder XRD, FTIR, UV-Vis, DTA/TGA, Dielectric studies and SHG respectively. The observed results from various characterization show the suitability of NLO application. The second harmonic generation of the grown crystal was checked using Kurtz and Perry technique. Thermal stability and melting point of the grown crystal were found by thermal analysis. The Physical strength of the grown AA crystal was measured from Vicker’s hardness test.

Customization of information from web documents is an immense job that involves mainly the shortening of original texts. This task is carried out using summarization techniques. In general, an automatically generated summary is of two types – extractive and abstractive. Extractive methods use surface level and statistical features for the selection of important sentences, without considering the meaning conveyed by those sentences. In contrast, abstractive methods need a formal semantic representation, where the selection of important components and the rephrasing of the selected components are carried out using the semantic features associated with the words as well as the context. Furthermore, a deep linguistic analysis is needed for generating summaries. However, the bottleneck behind abstractive summarization is that it requires semantic representation, inference rules and natural language generation. In this paper, The authors propose a semi-supervised bootstrapping approach for the identification of important components for abstractive summarization. The input to the proposed approach is a fully connected semantic graph of a document, where the semantic graphs are constructed for sentences, which are then connected by synonym concepts and co-referring entities to form a complete semantic graph. The direction of the traversal of nodes is determined by a modified spreading activation algorithm, where the importance of the nodes and edges are decided, based on the node and its connected edges under consideration. Summary obtained using the proposed approach is compared with extractive and template based summaries, and also evaluated using ROUGE scores.

Facile nickel coating on a copper surface was successfully fabricated via an electrodeposition method from nickel ammonium sulfate and then surface modification was done by subsequent immersion into the sol–gel mixture of 3-aminopropyltriethoxysilane (APTES), tetraethoxysilane (TEOS) and lauric acid (LA). The surface morphology, chemical composition and wettability were characterized by means of scanning electron microscopy (SEM), atomic force microscopy (AFM), Fourier transform infrared (FT-IR) spectroscopy and water contact angle (WCA) measurements. It was found that the Cu–Ni–Hy–LA multilayered sol–gel coated surface was hydrophobic with a contact angle 107.3°. The corrosion resistance of these coatings was evaluated by electrochemical impedance studies (EIS) and potentiodynamic polarization (PP) measurements in a 3.5% NaCl medium. The Cu–Ni–Hy–LA multilayered sol–gel coating showed enhanced corrosion resistance compared to the Cu–Ni and Cu–Ni–Hy surface. The improved corrosion resistance is mainly due to the formation of a densely packed sol–gel coating over an electrodeposited copper surface.

The crystal of nonlinear optical (NLO) interest, organic compound Toluidine Tartrate (TT) with molecular formula C11 H15 N O6 has been crystallized from solvent ethanol at room temperature using slow evaporation solution growth technique. Single crystal XRD analysis was performed and reveals that the crystal is grown with triclinic system with non centrosymmetric space group P1. Various functional groups of the compound were analysed using FTIR and FTRaman spectral analysis. The molecular structure was confirmed by 1H NMR study. The cut-off wavelength of the grown material is 239 nm and shows a low absorption in the near IR region. The first order hyperpolarizibility (βijk) of TT is calculated using the B3LYP/6-31G (d,P) basis set based on finite field approach. Dielectric and hardness studies were also performed. The second harmonic generation (SHG) relative efficiency was found to be 1.2 times of KDP. Thus, the characterization of the grown crystal reveals the suitability of the material for NLO applications.

The organic nonlinear crystal Toluidine Tartrate (TT) was synthesized, its structure was reinvestigated by X-ray diffraction analysis and investigated theoretically as well as experimentally to examine its nonlinear optical (NLO) behavior. The electron transport mechanism and hydrogen bonding interactions in TT have been explored using the Natural Bond Orbital analysis and optimized geometry calculations. The vibrational spectral investigations of the compound have been carried out using the experimental and computational FT-IR and FT-Raman analyses. UV–vis spectral investigations show the optical absorption of TT crystal at 271 nm and 319 nm and reveal its optical transparency in the visible region. The HOMO LUMO study reveals a 4.5388 eV energy gap which shows its reactivity. Photoluminescence and lifetime studies show a near violet emission with considerable lifetime. The thermal property of the sample was analyzed by TG and DTA analysis and it was found that the TT crystalline compound is stable up to 201 °C. Hyperpolarizability calculations give an augmented value of hyperpolarizability. Z-scan measurements in the pulsed as well as continuous wave laser excitation regimes reveal a substantial decrease in normalized transmittance at higher laser fluences, substantiating the nonlinear behavior and optical limiting application of TT crystals.

Context: Dental caries is the most common type of dental problem known to mankind, and the bacterial species-Streptococcus mutans (S.mutans) is known to initiate it, thus playing a significant role in dental caries formation. Theobromine in dark chocolate and probiotics are known for anticariogenic and antibacterial properties. Aims: The aim of this study is to find the effectiveness of white chocolate, dark chocolate, and probiotic-infused dark chocolate against S. mutans. Subjects and Methods: Blood-infused Mueller–Hinton agar was prepared with three wells. Twenty grams of chocolate were dispersed in each well. Chlorhexidine and saline were used as positive and negative control. The agar plate was then streaked with S. mutans. These prepared culture media was then allowed to incubate at 37°C for a time period of about 24 h under sterile environment. Finally, the diameters of the zone of inhibition were measured using the Hi Antibiotic Zone Scale. ANOVA and Tukey's post hoc test were used for statistical. Statistical Analysis Used: ANOVA and Tukey's post hoc test were used for statistical. Results: On comparison, probiotic-infused dark chocolate shows the greatest zone of inhibition (16.83 ± 1.329) followed by chlorhexidine (15.18 ± 1.458) which is then followed by dark chocolate (11.33 ± 1.751) and white chocolate (7.17 ± 1.835), and finally normal saline which showed no zone of inhibition. On overall evaluation using ANOVA, the statistically significant difference was found out (P

White-eyed blowout fracture is often found in pure orbital floor blowout fracture among pediatric patients. Unlike common orbital blowout fractures with apparent clinical signs, the diagnosis of white-eyed orbital blowout fractures is difficult because of minimal soft-tissue signs. This report describes an early missed-out diagnosis of a white-eyed blowout fracture in a 7-year-old child, due to negligible soft-tissue manifestation.

Summary generation systems when integrated with Information Retrieval (IR) can give an idea about the retrieved web pages to the user before even the user opens the web page. The summary could be generated for a single web page or for a set of web pages retrieved for a given query. When such a system is built for tourism web sites, the user can get a summary of a particular tourist spot or about the tourist spots present in a particular place. This chapter describes about such a summary generation system which is built using Rhetorical Structure Theory (RST). RST is a well-known discourse theory which is used for discourse analysis of text documents. The RST makes use of another semantic representation namely, Universal Networking Language (UNL) to find the coherent text fragments. These coherent text fragments are indexed and linked with an IR system. When a user gives a query, the web pages along with a single document and multi document summary.

In this era of silicon age, the internet services have become an indispensable part of human life. People moving fast towards the digitized world and sending an information have never been much easier from the onset of file transfer applications, cloud-based applications, messengers and email services. Big companies and startups prefer cloud-based software solutions due to its accessibility, security and easy sharing features. Unfortunately, “Where there are rivers, there are potholes”. Crackers and unethical hackers exist in the environment, who make this digitization a ‘nightmare’ for newcomers and existing users. Millions of security breaches have occurred in decades in which few of them are highly severe. The hackers stole highly sensitive information such as personal and official. And this incident left with millions of information at risk of spamming, phishing attacks and etc. The proposed approach focuses the transferring file securely (TranSecure) from the authenticated user. Therefore there requires features for encrypting the data such that even if it is stolen it will be indecipherable. Thus the user's privacy is still satisfied. This demand brings out the idea of the approach which securely transmits data between users along with first in class encryption and compression for security and storage space conservation respectively.

Single crystals of 3 Hydroxy Pyridinium Tartrate Mono Hydrate (3HPTMH) was synthesised and successfully grown in mixed solvent of ethanol and water by slow evaporation technique at room temperature. 3HPTMH belongs to the orthorhombic crystal system with space group P2 1 2 1 2 1 . The lattice parameters of 3HPTMH are a = 7.4597(2) A, b = 8.7012(3) A, c = 17.8786(5) A, V = 1160.47(6) A 3 , obtained by single crystal X ray diffraction studies. Hyperpolarizability and HOMO–LUMO analysis were performed for grown crystal using DFT calculations using Gaussian 03 software. Functional groups were identified by FT-IR studies. The lower cut-off wavelength of the 3HPTMH has been identified by UV–Vis study. The thermal behavior has been studied by thermal gravimetric analysis and differential thermal analysis. The powder second harmonic generation efficiency of 3HPTMH was compared with KDP.

In this work, 3-amino-5-mercapto-1,2,4-triazole (AMTa) was incorporated into 3-glycidoxypropyltrimethoxysilane (GPTMS)-based sol–gel coatings, which were self-assembled over a copper surface. The AMTa-doped GPTMS-based sol–gel coatings were characterized by Fourier transform infrared spectroscopy, Scanning Electron Microscopy, and Energy-Dispersive X-ray spectroscopy analyses. The protective ability of these coatings was evaluated by electrochemical impedance studies and potentiodynamic polarization measurements in 3.5 % NaCl medium. The AMTa-doped sol–gel coating showed enhanced corrosion protection ability compared to the un-doped GPTMS-based sol–gel coating, which may be largely due to the formation of thiolate bonds between copper and AMTa. The presence of a silane network through the amine group of AMTa could also be a reason for the enhanced protection.

Sjogren-Larsson syndrome is an autosomal recessive disorder characterized by defective activity of fatty aldehyde dehydrogenase. It presents as a triad of congenital ichthyosis, spastic diplegia, and mental retardation. The pathology behind this syndrome is the failure of degradation of fatty aldehydes. This case is presented for its rarity.

Social Transmission of Food Preference (STFP) is a single trial non-aversive learning task that is used for testing non-spatial memory. This task relies on an accurate estimate of a change in food preference of the animals following social demonstration of a novel flavor. Conventionally this is done by providing two flavors of powdered food and later estimating the amount of food consumed for each of these flavors in a defined period of time. This is achieved through a careful measurement of leftover food for each of these flavors. However, in mice, only a small (~1 g) amount of food is consumed making the weight estimates error prone and thereby limiting the sensitivity of the paradigm. Using multiplexed video tracking, we show that the pattern of consumption can be used as a reliable reporter of memory retention in this task. In our current study, we use this as a measure and show that the preference for the demonstrated flavor significantly increases following demonstration and the retention of this change in preference during remote testing is flavor specific. Further, we report a modified experimental design for performing STFP that allows testing of change in preference among two flavors simultaneously. Using this paradigm, we show that during remote testing for thyme and basil demonstrated flavors, only basil demonstrated mice retain the change in preference while thyme demonstrated mice do not.

Coreference resolution is a challenging natural language processing task, and it is difficult to identify the correct mentions of an entity that can be any noun or noun phrase. In this article, a semisupervised, two-stage pattern-based bootstrapping approach is proposed for the coreference resolution task. During Stage 1, the possible mentions are identified using word-based features, and during Stage 2, the correct mentions are identified by filtering the non-coreferents of an entity using statistical measures and graph-based features. Whereas the existing approaches use morphosyntactic and number/gender agreement features, the proposed approach uses semantic graph-based context-level semantics and nested noun phrases in the correct mentions identification. Moreover, mentions without the number/gender information are identified, using the context-based features of the semantic graph. The evaluation performed for the coreference resolution shows significant improvements, when compared with the word association-based bootstrapping systems.

Organic Nonlinear Optical (NLO) crystals of 4-fluorochalcone (4FC) were synthesized and grown by slow evaporation solution growth method. The grown crystals have been characterised by powder X-ray diffraction, factor group analysis, FTIR, FT-Raman, UV–Vis Spectroscopy, powder SHG and Vickers microhardness tests. Theoretical quantum chemical analysis were performed to determine the first order hyperpolarizability ( β ) and HOMO–LUMO analysis of the title compound were computed by GAUSSIAN 03 package.

Today, batch processing frameworks like Hadoop MapReduce are difficult to scale to multiple clouds due to latencies involved in inter-cloud data transfer and synchronization overheads during shuffle-phase. This inhibits the MapReduce framework from guaranteeing performance at variable load surges without over-provisioning in the internal cloud (IC). We propose BStream, a cloud bursting framework for MapReduce that couples stream-processing in the external cloud (EC) with Hadoop in the internal cloud (IC). Stream processing in EC enables pipelined uploading, processing and downloading of data to minimize network latencies. We use this framework to meet job deadlines. BStream uses an analytical model to minimize the usage of EC. We propose different checkpointing strategies that overlap output transfer with input transfer/processing and simultaneously reduce the computation involved in merging the results from EC and IC. Checkpointing further reduces job completion time. We experimentally compare BStream with other related works and illustrate performance benefits due to stream processing and checkpointing strategies in EC. Lastly, we characterize the operational regime of BStream. � 2013 IEEE.

Good quality organic non linear optical (NLO) crystals of 4-methoxy-4′-chlorochalcone (4MCC) have been grown by slow evaporation solution growth method. The grown crystals were investigated with various spectroscopy techniques such as the structural confirmation by powder XRD. The various vibration frequency of the crystal are investigated by factor group analysis, FTIR and FT-Raman spectrum. The crystal has wide range of transparency in visible region investigated by UV–vis spectrum. Using SHG powder method, the SHG efficiency of the title crystal was greater than that of urea. The mechanical properties of grown crystal was studied by Vickers microhardness tester and the load dependence hardness was observed. The first order hyperpolarizability ( β ) and HOMO–LUMO analysis of the title compound was theoretically investigated by GAUSSIAN 03 package.

A user's information need, normally represented as a search query, can be satisfied by creating a query focused coherent and readable summary, by fusing the relevant parts of information from multiple documents. While aggregating the information from multiple documents, the quality of the summary is improved by eliminating redundant information from the document set. In this paper, we focus on removing such redundant information and identifying the essential components from multiple documents (represented as a single global semantic graph), with respect to the given query (represented as a query graph). While the redundancy elimination is carried out using various levels of graph matching which are then indicated through canonical labeling of graphs, the selection of essential components for a query focused summary is performed, through the modified spreading activation theory, where the query graph is also integrated during the spreading activation over the global graph. The proposed system shows significant improvements in generating summaries when compared to other existing summarization systems.

Background: Many Studies and Research Articles in our medical field focuses on Verbal Communication component. The Non-Verbal Component has been neglected in many circumstances. But Medical science endorses that Non-Verbal component plays a major role in the communication process in all set ups whether it is in the classrooms, Examination Hall, Outpatient Room or Wards or Intensive Care Units. The objective of this study is to access the knowledge and Awareness of NVC Component among Doctors of Non-Clinical and Para Clinical Departments of GVMCH - Vellore, Tamil Nadu, India.Methods: This Cross-Sectional Study was conducted among 45 Doctors across 7 Departments of Government Medical College Vellore. Mean, Median, Mode and Standard Deviation were used for quantitative Data and Pearson Chi Square Test and Logistic regression was used for qualitative Data using Trial Version of SPSS 22.Results: The mean Score was 7.2±2.8 with Mean scoring percentile of 28.8 ±11.5. There was Pearson’s Chi Square significance for Variables like External Resources related to NVC, Books related to NVC, UG and PG pursued at, Exposure to Workshops or CME s related to NVC, and age Group < 35. But on running Logistic Regression we got statistical significance for variables like External resources related to NVC, UG studied at same state, Age Group >35 years.Conclusions: Variables like External resources, UG studied at same state, Age Group >35 years Showed Statistical significance in knowledge on Non-Verbal communication in this Study set up.