Miracle-dz/UniFAR-FTUs huggingface dataset:
Performance Analysis of Space Time Block Codes over Time Selective Fading Channels

-The last decade we have witnessed an extraordinary growing interest in the field of wireless communications. Wireless industry has recently turned into a technology known as Multiple-Input Multiple-Output (MIMO) to minimize errors and optimize data speed. This is done by using multiple transmit and receive antennas, as well as appropriate space-time block code techniques. Due the fact that time-selective fading channels exist, the assumption that the channel is being static over the length of the codeword does. The channel state varies over the number of signal intervals, and in such case the orthogonality of the space-time block code will be destroyed leading to irreducible error floor. This paper deals with orthogonal space-time block coding schemes where time-selective fading channels arise due to Doppler Effect. A realistic channel model was used, where the channel coherency was considered. Modeling the time-selective channels as random processes, a fast and simple decoding algorithm was derived at the receiver. Using MATLABTM as a simulation tool, we provide simulation results demonstrating the performance of four transmit antennas over time-selective fading channels. We illustrate that using multiple transmit antennas and space-time coding outstanding performance can be obtained, under the impact of channel variation.
Reduced Rate of Energy Consumption in WSN With Dual Cluster Heads

: Wireless sensor network finds its constraint on the battery sources. Once the nodes are deployed, the feasibility in the replacement of battery seems impossible to exist. All efforts are directed in making the sensor network running for longer duration of time. This has led to the development of various routing protocols aiming to achieve enhanced network lifetime. These routing protocols come under the different categories of routing techniques. Hierarchical routing has proven its significance in various research works being done for network lifetime enhancement. In this paper, Unequal clustering protocols have been brought into limelight. Unequal clustering meant to remove Hot Spot Problem existing in the multi hop scenario. UCMR is the protocol which has performed very well in handling the efficient cluster head selection. Because of unequal clustering there is still a scope of bringing out the energy balancing in the network which seems to be missing in the UCMR protocol. Introducing double cluster heads in the each cluster would divide the load on the cluster head and it would be shared by the vice cluster head in the same cluster. This approach gives the maximum output and with much reduced rate of energy consumption in the network. Comparative analysis with the UCMR and LEACH protocol signifies that UCMR outperforms the other two in rate of energy consumption.
STRUCTURAL AND PHARMACOKINETIC PROPERTIES OF IDI

Intravitreal Dexamethasone Implant (IDI) (Ozurdex®, Allergan, Inc. Irvine, CA) is the sustained-release corticosteroid device approved by the US Food and Drug Administration for the treatment of macular edema resulted from diabetes mellitus, non-infectious uveitis and retinal vein occlusion. Along with its anti-inflammatory effects, the most common side effects associated are cataract formation and intraocular pressure (IOP) elevation. Although the exact pathophysiological mechanism remains unclear, increased aqueous outflow resistance resulted from the biochemical and structural changes in the trabecular meshwork is deemed responsible for the well-known IOP elevation. This mini-review investigated major clinical trials evaluating the IOP changes after 0.7 mg IDI REVIEW Intraocular Pressure Changes Following the Administration of Intravitreal Dexamethasone Implant: A Mini -Review Omer Karti, Ali Osman Saatci 302 Int. J. Ophthalmic Res 2019 May; 5(1): 302-307 ISSN 2409-5680 Online Submissions: http://www.ghrnet. org/index. /ijor/ DOI: 10.17554/j.issn. 2409-5680.2019. 05.86 International Journal of Ophthalmic Research Karti O et al . Effect of dexamethasone implant on intraocular pressure 303 properties of the implant have been found similar in both vitrectomized and non-vitrectomized eyes[7]. The biological effects of dexamethasone are mediated through the cytoplasmic glucocorticoid
Indirect Spectrophotometric Assay of Paracetamol in Pharmaceutical Preparations

A simple ,accurate and sensitive indirect spectrophotometric method for the determination of paracetamol (PAR) in various formulations has been suggested. The method was based on acid hydrolysis of PAR to produced p-aminophenol(PAP), after that diazotization of PAP with nitrite ion to form the corresponding diazonium salt followed by coupling reaction with 2,7-dihydroxy naphthalene (2,7-DHN) in alkaline medium to produced a colored azo dye that showed maximum absorbance at 481 nm. Beer’s law was obeyed in the concentration range of 1-14 μg. ml -1 . The molar absorpitivity and Sandell’s sensitivity of the colored dye were 1.058x10 l.mol. cm and 0.0142 μg. cm respectively. Limit of detection(LOD) 0.006 μg. ml ,limit of quantitation (LOQ) 0.023 μg. ml -1 . A relative error ranged from1.5 to 1.8%, and the relative standard deviation was not more than ±3.1% depending on the concentration of the drug. The method was successfully applied to the determination of PAR in pure form, and its pharmaceutical preparations. Keyword: paracetamol, p-aminophenol, 2,7-dihydroxy naphthalene, diazotisation, spectrophotometric determination
Effect of Damping on Shock Spectra of Impulse Loads

̶ In the present paper, single degree of freedom systems have been considered for studying the effects of damping on various response quantities and shock spectra for three different impulse excitations―rectangular, half-sine and two-legged triangular force pulses. The Duhamel’s integral method based upon linear force variation over time step has been explained in this paper, which is also the methodology to estimate the response of the systems in this study. Numerical solution of the problem has been carried out. Responses of ten systems with different time periods have been plotted for different frequency ratios. Damping ratios considered for shock spectra are 0, 0.02, 0.05, 0.1 and 0.2. It has been observed that, as the duration of the impulse load approaches time period of the system, amplitude vibration becomes maximum. Further, the dynamic magnification factor (DMF) in the shock spectra is maximum for rectangular pulse followed by half-sine wave and triangular pulse, for a given magnitude. Similar trend is seen for damped systems. Index terms – Impulse loads, Dynamic magnification factor, shock spectra ---------------------♦ --------------------
A Review on “Design and Development of Composite Drive Shaft”

Advanced composites has resulted a great success in many fields such as marine, medicine, aerospace, sports, automobiles , engineering, etc. More and more research works are being conducted to study the characteristics and to explore the potential applications of these environment friendly materials. In this context as far as composite materials are concerned, natural fibers are fast emerging as the most promising reinforcing elements with their inexpensive and some excellent properties that cannot be obtained from synthetic fibers. Now-a-days natural fibers are gradually replacing synthetic fibers in various applications. The goal is to replace a conventional drive shaft by composite drive shaft with high strength, low weight, high stiffness etc for commercial vehicle .
Assessment of Artemia franciscana as a probable vector for WSSV transmission to Macrobrachium idella idella (Hilgendorf, 1898)

White spot syndrome virus (WSSV) is one of the most important pathogens of penaeid shrimp. It is widely distributed in most Asian countries where penaeid shrimps are cultured, as well as in the Gulf of Mexico and SE USA. In most countries viral diseases have been the most important cause of economic losses. In order to give some idea about the rate at which viral diseases are increasing, Lightner et al., (1990) reported six viruses affecting penaeid shrimps. By 1992, the list of known viruses had increased to 12 (Lightner 1996a) and today, around 16 viruses have been reported in shrimps, some of which have several strains. Of these, 3 viruses, Taura syndrome virus, yellow head virus and white spot virus, have been responsible for the most severe losses. During the last decade, white spot syndrome virus (WSSV) has emerged as the major shrimp pathogen causing epizootics and heavy crop failures across the world (Rosenberry 2001). The virulence of 6 geographic isolates of WSSV was compared using Litopenaeus vannamei post larvae. The six geographic isolates of WSSV originated from China, India, Thailand, Texas, South Carolina, as well as from crayfish maintained at the USA National Zoo.
MRI Image using DWT Segmentation and Implementation on FPGA

: Multimodal medical image fusion is effectuated to minimize the redundancy while augmenting the necessary information from the input images acquired using different medical imaging sensors. The sole aim is to yield a single fused image, which could be more informative for an efficient clinical analysis. This paper presents multimodal fusion framework using the non sub-sampled Contour let transform (NSCT) domains for images acquired using two distinct medical imaging sensor modalities (i.e., magnetic resonance imaging and computed tomography scan). The major advantage of using NSCT is to improve upon the shift variance, directionality, and phase information in the finally fused image. The first stage employs a NSCT domain for fusion and then second stage to enhance the contrast of the diagnostic features by using Guided filter. A quantitative analysis of fused images is carried out using dedicated fusion metrics. The fusion responses of the proposed approach are also compared with other state-of-the-art fusion approaches; depicting the superiority of the obtained fusion results. To finally segment the tumour part by applying Fuzzy C-Means Clustering. The FPGA implementation is done using Xilinx Vivado environment and Zedboard which is optimized for image and video processing IPs.
Development of Route-based Data Generation Algorithm and Data Model for Moving Objects

 Abstract : With the widespread of mobile phones and mobile telecommunication devices, recently, diverse location-based services are being provided. For location-based application services, an algorithm which stores a moving object’s mobile data and generates indexing structure and experimental data to provide coordinate-, route-and trajectory-based application services is required. To execute conventional route-and trajectory-based queries, this study proposes a route-based data generation algorithm which converts coordinate-based data to route-based ones. It also suggests moving object data model for their execution. The trajectory data including the proposed a data model and routes of the converted moving objects are able to support diverse coordinate-, route-and trajectory-based query processing algorithms. In addition, it is able to provide diverse services to users quickly, using the data model. This study enables the provision of services which should be processed according to a moving object’s flow of time in a quick and efficient fashion.
Effect of Zn-Doping on the Structural, Optical, and Humidity Sensing Properties of Sol-Gel Synthesized NiO Thin Film

This paper presents the fabrication process and characterization process of zinc (Zn) doped nickel oxide (NiO) thin film. The main objective of this research is to investigate the electrical and structural properties of Zn-doped NiO thin film using sol-gel spin-coating method. Zn-doped NiO thin film was prepared by using spin-coating method. The samples were prepared at different doping parameters, which are undoped NiO, 0.5 at. % Zn-doped NiO, 1.0 at. % Zn-doped NiO, 1.5 at. % Zn-doped NiO and 2.0 at. % Zn-doped NiO. The studies of structural properties of the samples were conducted by using an X-ray diffraction. The optical properties of the samples were characterized by using ultraviolet-visible spectroscopy. The spectra of transmittance and absorbance of the samples were studied. The humidity sensing properties of the samples were conducted using humidity chamber and sensor measurement system.
An Approach to Sentiment Analysis

In this paper we illustrate of various sentiment analysis methods. We explore the basic day to day use of various approaches of sentiment classification . This paper helps to take an overview about the sentiment analysis and polarity classification of opinions of given entity. The paper gives a view of the basic evaluation techniques of of sentiment sentiment analysis along with their performance accuracy according to the survey obtained of sentiments given by user. It also describes steps in sentiment analysis-data input, data preprocessing, selecting pre processed dataset, extracting feature list, training and classification, selection of feature list and related sentence, finding synonyms, calculating similarity and showing polarity.
Review on Fog computing: Reducing Insiders data theft attack in cloud computing

— Cloud computing is now a day in favour of all types of business units. We can access and store all types of application and data in cloud. As it comes up with more facilities, it becomes exhausting to entrust security. Fog computing provides different security approaches than conventional slant like cryptography. By observing actions and reactions of user while accessing the data, we can find the anomalous behaviour. If unauthorised access detected even after going through challenging questions verification, then we can introduce disinformation attack and provide the fake worthless information to attacker. It will be useful to regulate effectiveness of data. Experiments done by author, shows that, this technique may provide extraordinary level of security for data in cloud computing environment. Fog computing is preventive disinformation attack.
A Study and Analysis of Decision Tree Based Classification algorithms using R

– Nowadays, Data Mining has been successfully enforced to several fields such as business administration, marketing and sales, diagnostics, manufacturing processes and astronomy. Data mining has become a well established discipline within the domain of Artificial Intelligence and Knowledge Engineering. Data mining is explained as the non-trivial process of identifying valid, new, potentially fruitful and eventually comprehensible pattern in raw data. Alternatively, it has been called as Knowledge discovery in databases, exploratory data analysis, data driven discovery and deductive learning. Classification is one of the most familiar data mining techniques which comes under predictive model and used to classify each item in a set of data into one of a predefined set of classes or groups. In this classification, decision tree is used to estimate group relationships for exact data instances and helps to elevate the cause of dimensionality. This paper presents the comparative study on five decision tree classification algorithms such as ID3, C4.5, C5.0, PART and Bagging CART. The comparative study shows that the Bagging CART technique gives a high classification accuracy than the rest of the algorithms. These algorithms are evaluated by precision, recall, f-measures and kappa statistics.
Image Forgery Detection Using Feature Point Matching

: A novel copy–move forgery detection scheme using adaptive over segmentation and feature point matching is proposed in this paper. The proposed scheme integrates both block-based and key point-based forgery detection methods. First, the proposed adaptive over segmentation algorithm segments the host image into non overlapping and irregular blocks adaptively. Then, the feature points are extracted from each block as block features, and the block features are matched with one another to locate the labeled feature points; this procedure can approximately indicate the suspected forgery regions. To detect the forgery regions more accurately, we propose the forgery region extraction algorithm, which replaces the feature points with small super pixels as feature blocks and then merges the neighboring blocks that have similar local color features into the feature blocks to generate the merged regions. Finally, it applies the morphological operation to the merged regions to generate the detected forgery regions. The experimental results indicate that the proposed copy–move forgery detection scheme can achieve much better detection results even under various challenging conditions compared with the existing state-of-the-art copy–move forgery detection methods.
A Hybrid Approach to Speed-Up the NG20 Data Set Clustering Using k-Means Clustering Algorithm

: Clustering can be considered as the most critical unsupervised learning problem. So as every other problem of this category, it copes with acquiring a structure in a collection of unlabeled data. A loose definition of clustering could be “the process of organizing objects into groups whose members are similar in some way”. Document clustering is a process of information filtering. In general we use k-means clustering and its variants for this process. We are using 20 Newsgroups (or NG20) data set and collect the 50 documents randomly. Classification process is used to classify the contents. Stemming process is used to reduce the memory size. For this we are using Porter Stemming Algorithm. After that Frequency Calculation is used to perform word separation. In final process we are using k-means clustering process to find out similarity test cases and also term frequency. Here we are using k-means clustering process for clustering the 20 Newsgroups (or NG20) data set rather than other clustering processes in order to increase the speed of the 20 Newsgroups (or NG20) data set clustering.
Hepatoprotective Activity of Curcumin against Rifampicin-Induced Genotoxicity in Experimental Mice

Tuberculosis is a dangerous disease and its death toll is increasing year by year. Intake of rifampicin, the most common antitubercular drug, leads to fatal genotoxic effects on hepatocytes. We have studied the protective effect of curcumin supplementation against the genotoxic effects induced by administration of rifampicin (80mg/kg B.wt.) for four weeks orally in male mice. Curcumin(175mg/kg B.wt.) were administered orally 2 hours prior to rifampicin administration. We showed that the serum level of 8-hydroxy2'-deoxyguanosine (8-OHdG), A marker widely used for oxidative damage to DNA were significantly increased in mice treated with rifampicin also there was an elevation in the level of gene expression of 8-oxoguanine DNA-glycosylase 1(OGG1). administration of rifampicin caused an increase in DNA damage in liver of male mice indicated by the damaged nuclei (comet tail length and % of DNA damage). In addition, The liver tissue of male mice treated with rifampicin showed a decrease in the level of gene expression of anti oxidant enzymes (glutathion -stransferase α2, glutathion -s-transferase mu2 and catalase ). The co-treatment with curcumin significantly attenuated rifampicin induced gene toxicity in hepatocytes indicated by the significant decrease in the serum level of 8-OHdG, decrease in damaged nuclei explained by comet assay (tail length and % of DNA damage), also Levels of gene expression of anti oxidant enzymes were also maintained to near normal level by curcumin co-administration. From the results obtained, it can be concluded that curcumin is beneficial against rifampicin-induced hepatic genotoxicity, also can used as a prophylactic measures. [Safaa I. Khater, Hussien I. El Belbasi and Mohamed F. Dowidar. Hepatoprotective Activity of Curcumin against Rifampicin-Induced Genotoxicity in Experimental Mice. J Am Sci 2013;9(4):279-288]. (ISSN: 1545-1003). http://www.jofamericanscience. org. 39
STUDY ON ANTIOXIDANT AND CYTOTOXIC PROPERTIES OF OLEA DIOICA ROXB. CRUDE EXTRACT AND ITS PURE COMPOUND COLLECTED FROM WESTERN GHATS, KARNATAKA, INDIA

Introduction: Olea dioica Roxb. an important medicinal tree plants used by local siddha tribes, belongs to the family Oleaceae. The parts such as leaves, bark, root, and fruits used in the traditional medicine to cure skin diseases, rheumatism, fever, and cancer. Objectives: The anti-oxidant experiment by metal chelating activity, superoxide radicals, hydroxyl radical, 2,2-diphenyl-2-picrylhydrazyl radicals, 2,2-azino-bis(3-ethylbenzothiazoline)-6-sulfonic acid radical scavenging assays with in vitro cytotoxicity was tested using trypan blue dye exclusion technique and 3-(4, 5 dimethylthiazole-2yl)-2, 5-diphenyltetrazolium bromide assay was conducted. Results: Anti-oxidant experiments revealed that the bark ethanolic extract of the O. dioica plant parts has excellent radical scavenging activity and its extracted pure compound, Benzene ethanol, 4-hydroxy-alcohol, showed excellent radical scavenging activity higher than the standards used. In vitro cytotoxicity experiments revealed that bark ethanolic extract has excellent cytotoxicity activity and its pure compound benzene-ethanol, 4-hydroxyalcohol also showed excellent activity which is comparable with the standard curcumin. Conclusion: O. dioica bark could be exploited as a valuable source of antioxidant and cytotoxic agent for pharmaceutical industry.
Antibacterial and Physical Properties of Composite Edible Film Containing Modified Lysozyme and Sodium Cyanoborohydrate

The aim of this research were to find out the effect of sodium cyanoborohydride addition on the release of modified lysozyme from composite edible film based on whey protein and porang flour. The research was the addition of sodium cyanoborohydride on modified lysozyme aquaeous (control ; 0.005%; 0.007% and 0.009%) using randomyzed block design, the variables were, the release of modified lysozyme, antibacterial of modified lysozyme on Latobacillus bulgaricus and Escherichia coli, water vapor permeability, protein solublity and microstructure of composite edible film. The results were the treatment didn’t gave significantly effect (P>0.05) on release of modified lysozyme, antibacterial of modified lysozyme, water vapor permeability, protein solublity and microstructure of composite edible film. Increasing sodium cyanoborohydride produced decreasing the release of modified lysozyme from composite edible film, however, the treatment produce stable antibacterial activity, water vapour permeability and protein solubility of composite edible film containing modified lysozyme and sodium cyanoborohydride. Formation of more dense structure with increased sodium cyanoborohydride content. It concluded that Sodium cyanoborohydride contributed to controlled relesase rates of modified lysozyme from composite edible film by reducing film porosity. The film showed antimicrobial activity against Latobacillus bulgaricus and Escherichia coli.