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Volume 2 Issue 4

S.No. Title & Authors Page No View
1

Title : Exososome: Potential Biomarker for Cancer

Authors : Callie Mincy, Asha Eapen

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Abstract :

Transformation is a common phenomenon that occurs in a cancer environment. As a result of tumorogenesis, normal cells are transformed into cancer cells. Researchers have shown that multicellular vesicles known as exosomes secreted by malignant cells have the potential to induce this normal cell transformation. Accumulating evidence indicates that exosomes play important roles in cancer. Exosomes are known to play decisive roles in tumorogenesis, growth, progression, metastasis, and drug resistance by transferring oncogenic proteins and nucleic acids that modulates the activity of recipient cells. In this review, we will unveil the role of exosomes as communication molecules in cancer. Exosome shuttle proteins and nucleic acids and so have been suggested as novel diagnostic and prognostic indicators for a variety of cancers. Currently, tumor-derived exosomes are utilized as vaccines and as carriers for drugs and small molecules in pre-clinical studies and clinical trials.

01-04
2

Title : Design and Implementation of Privacy Retrieving and Forensics Reversing System Based on Android OS

Authors : Zhangyu Wang, Weiwei Huang, ZhenHua Tan

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Abstract :

With the Mobile Communication Technology getting mature, mobile phone with full feature and comfortable user experience has become the indispensable part of communication tools in our daily life[1]. Mobile phone has been accepted and loved dramatically by many users due to open environment and abundant platform applications. However, mobile phone is likely to be lost or stolen because of its portability, that is to say, how we should do to protect or retrieve and recover private data from remote is of great concern, such as images, videos, documents, some private tools as well as the password of online payments and bank cards. Once it was lost, the important private data will be accessed by others intentionally or unintentionally, which may dramatically increase the risk of property loss. As all these issues, we adopt bleeding technology to design and implement a new type of Android-based forensics reversing and dynamic privacy management system in the cloud environment, so that we could obtain evidence by the real time monitor and remote control on either mobile phone or PC. As well as many other features, includes One Key Recovery, One Key Forensics and One Key Data Protection. The experiment and analysis show that, the Forensics and Dynamic Data Protection System is full-reatured and high performance comparing to the existing products in domestic and foreign market.

05-09
3

Title : The Inverse of Serum Creatinine Multiplied by 100 (1/CtS100): The Key to Calculate the Actual Creatinine Clearance and Actual Excreted Creatinine in Renal Failure

Authors : Giancarlo Ruggieri

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Abstract :

In a previous paper it was shown that the inverse of serum creatinine multiplied by 100 very closely correlated with the estimates of the glomerular filtration rate (GFR)  by MDRD simplified formula. In past few years and more recently, the inverse of serum creatinine was correlated with GFR values measured by high precision methods. On this basis it was assumed to verify which of the variables measured creatinine clearance and excretion, and  creatinine clearance  and excretion estimated on the basis of 1/CtS100 and 1/CtS would  better correlate with MDRD GFR, CtS, BMI, Protidemia, Serum Urea, .body cellular mass, fat mass, and extracellular water, variables all rationally expected to be somehow linked to the variables above. The variables based on 1/CtS100 had the best correlations, consequently, this method was proposed to measure the actual creatinine clearance and the actual excreted creatinine in the case of substitutive treatment by dialysis and most likely also in the case of decreased renal function. 

10-15
4

Title : Studying the Effect of Cutting Conditions in Turning Process on Surface Roughness for Different Materials

Authors : D. K. Suker, M. S. Alsoufi, M. M. Alhusaini, S. A. Azam

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Abstract :

Surfaces quality is one of the most specified customer requirements for machine parts. The major indication of surfaces quality on machined parts is surface roughness. The research aim is to study the cutting conditions and their effects on the surface roughness. This research will use regression models and neuro-fuzzy to predict surface roughness over the machining time for variety of cutting conditions in turning. In the experimental part for turning, different types of materials (Aluminum alloy, brass alloy, and low carbon steel) were considered with different cutting speed, and feed rate. A linear regression and neuro-fuzzy model depending on statistical-mathematical method between surface roughness, Ra, and cutting condition will be derived, for the three materials. The effect of cutting parameters on surface roughness is evaluated and the optimum cutting condition for minimizing the surface roughness will be determined. The model will be established between the cutting conditions and surface roughness using regression and neuro-fuzzy model. As the results of this work, the linear regression and neuro-fuzzy model will be used in predicting surface roughness, can be used in manufacturing systems, this modeling helps engineer to reduce the efforts and improve the quality.

16-21
5

Title : An Ultrasonic Atomisation Unit for Heat and Moisture Exchange Humidification Device for Intensive Care Medicine Applications

Authors : Mahmoud Shafik

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Abstract :

The state of the art of the existing heat and moisture exchange (HME) technology in use concludes that there are two main artificial humidification HME devices: active and passive device. The active device is complicated to use and expensive. The passive HME device is the preferred one, due to the ease of use and low cost. However it is not suitable for more than 24 hour use. This is due to current devices cavity design, limitations of HME materials performance and overall device efficiency. This paper presents the outcomes of the research work carried out to overcome these teething issues and presents a piezoelectric ultrasonic atomisation device for passive humidification device. This aims to improve the device heat and moisture exchange (HME) materials performance, by recovering the accumulated moisture, for a greater patient care. The atomisation device design, structure, working principles and analysis using finite element analysis (FEA) is discussed and presented in this paper. The computer simulation and modeling using FEA for the atomisation device has been used to examine the device structure.It also enabled to select the material of the active vibration transducer ring, investigate the material deformation, defining the operating parameters for the device and establish the working principles of atomization unit. A working prototype has been fabricated to test the device, technical parameters, performance and practicality to use in such intensive care applications. Experimental tests showed that the electrical working parameters of the device are: Current: 50 m-amps, Voltage: 50 volts, Frequency: 41.7 kHz. The atomization device has been integrated into the passive HME humidification device and initial results show some improvement in moisture return of the device by 2.5 mg per liter H2O. This is show the potential of the developed unit to improve the HME material performance in such working environment.

22-32
6

Title : Joint Split Criterion Based Data Stream Classification Technique

Authors : Anushree R Bhat Kanak, Prof. H R Shashidhara

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Abstract :

The quantity of data that needs to be analyzed has lead to a new field data stream mining. The goal of most of data stream mining application is to predict the class or value of new instances in data stream which gives some knowledge about the class members. Data classification is one of the important techniques used in data mining. This paper involves developing a new method for constructing decision tree stream data. Along with the existing methods, misclassification error is used as another measure to build hybrid technique which provides an accurate measure of impurity. A hybrid technique is developed using Chi-square and misclassification error to calculate impurity measure. Impurity measure is then used in split criteria to build the decision tree classifier to classify the stream data. Accuracy is calculated during the data streaming process. It is shown that the proposed system i.e. the hybrid technique provides satisfactory accuracies at any time of data stream processing. 

33-35
7

Title : Urea Fertilizer and Ammonia Produced by Khartoum Refinery Used to Increase the Sorghum (Sorghum BicolorL.) Production in Sudan

Authors : Mohamed Sharaf Mahjoob , Mohammed Abdalla Elsheikh ,Yousif El Gorashi El Mahi1, Khalid Ahmed Ibrahim

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Abstract :

The objective of the study was to investigate the effect of the time and depth of application of aqueous waste ammonia, as a nitrogen fertilizer, on growth and yield of forage sorghum (Sorghum bicolor L.) and its efficiency as compared to urea fertilizer. A field experiment was conducted at the University of Khartoum farm, Shambat, Sudan, for two seasons (2006-2007) and (2007-2008). The split block design was adopted for the layout of 76 experimental plots representing 19 treatments replicated four times each. Eighty kg N/ha of urea and of ammonia were applied at different depths: 5, 10, and 15cm into the soil at different times of application: one week before sowing , two weeks after sowing  and four weeks after sowing . The results revealed that the 15cm depth of application significantly (p ≤ 0.05) increased the fresh and dry weight of the plant for both urea and ammonia through the two seasons as compared to other depths. The results of the experiment also showed that two weeks after sowing was found to be the best time of nitrogen fertilizer application for both urea and ammonia compared to other times.However, the results showed that yield was better in urea than that of ammonia, but the differences were quantitatively small (about one ton fresh weight ha-1).In conclusion, waste ammonia produced by Khartoum Refinery can be disposed of safely in soil by using it as a cheap nitrogen fertilizer for forage sorghum and that it is practically as efficient as urea fertilizer.

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8

Title : Managing Aerospace Supply Chain Disruptions of Increased Complexity and Single Sourcing

Authors : Iman Ziaei, Mohsen Sadegh Amalnick

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Abstract :

There are several influential risks in an aerospace supply chain which disruption is one of the most significant types. Many researchers believe that the impact of disruption is more considerable than other risks. There are two main reasons for aerospace supply chain disruption, which are “increased complexity” and “single sourcing”. The article explains aspects of these causes as well as related solutions for each one of them.The main solutions for these two disruptions including: integrating and synchronizing planning and execution, mean and variance of lead time reduction, investing in visibility, building flexibility in supply chain, fulfilling robustness strategy, collaborating and cooperating with supply chain partner.Accordingly, since each one of main supply chain approaches – lean and agile- needs diverse strategies; the final step is about the strategies, which would be reached through benchmarking among them for both lean and agile series of components and raw materials.

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