Volume 9, Issue 1 (2012) | American Journal of Applied Sciences

Biosurfactan Production by Bacillus sp. Isolated from Petroleum Contaminated Soils of Sirri Island

M. Ghayyomi Jazeh — 2012-01-13

American Journal of Applied Sciences, Published online: 13 January 2012; doi:10.3844/ajassp.2012.1.6

Problem statement: Biosurfactants are active surface components produced by some bacteria and fungi. These molecules reduce surface and interfacial tension in aqueous solutions and hydrocarbon mixture...

Extra-Bone Marrow Sites of Haemopoeisis: Dihydroartemisinin Effects in Wistar Albino Rats

Nedosa Uchechukwu Anastasia — 2011-11-02

American Journal of Applied Sciences, Published online: 2 November 2011; doi:10.3844/ajassp.2012.7.12

Problem statement: Iron is present in ferritin, the storage form of iron in the tissues; in the respiratory cytochrome enzymes; in hemoglobin of the blood and in the myoglobin of muscle Dihydroartemis...

Diagnostic Features and Therapeutic Consequences of Hysteroscopy in Women with Abnormal Uterine Bleeding and Abortion

Sedigheh Abdollahi Fard — 2011-11-02

American Journal of Applied Sciences, Published online: 2 November 2011; doi:10.3844/ajassp.2012.13.17

Problem statement: Hysteroscopy is a procedure in which the endometrial cavity is observable and subject of manipulation via transcervical route. Hysteroscopy is a minimally invasive process in diagno...

Impact of Malicious Nodes under Different Route Refresh Intervals in Ad Hoc Network

P. Suganthi — 2011-11-03

American Journal of Applied Sciences, Published online: 3 November 2011; doi:10.3844/ajassp.2012.18.23

Problem statement: Ad hoc networks are formed dynamically by group of mobile devices co operating with each other. Intermediate nodes between source and destination act as routers so that source node ...

Ethics and Sustainability: A Review of Water Policy and Management

Ravichandran Moorthy — 2011-11-03

American Journal of Applied Sciences, Published online: 3 November 2011; doi:10.3844/ajassp.2012.24.31

Problem statement: This is a review paper that examines the extent aspects such as ethics, sustainability and the environment manifest in the water policy and water management in Malaysia. The study e...

Design of A Microwave Amplifier for Wireless Application

M. Habib Ullah — 2011-11-03

American Journal of Applied Sciences, Published online: 3 November 2011; doi:10.3844/ajassp.2012.32.39

Problem statement: Low-Noise Amplifiers (LNA) are very indispensable components in the design of numerous types of communication receivers employed in microwave technology. This paper is presents the ...

New Approaches to Ancient Crypto-Steganography Methods

A. Joseph Raphael — 2011-11-04

American Journal of Applied Sciences, Published online: 4 November 2011; doi:10.3844/ajassp.2012.40.46

Problem statement: The requirement and ability to hide information from others has existed in the world for centuries. Cryptography and steganography are the most commonly used techniques for informat...

The Impact of Human Resource Practices and Organizational Citizenship Behaviors on Firm Performance

Davood Babaei — 2011-11-05

American Journal of Applied Sciences, Published online: 5 November 2011; doi:10.3844/ajassp.2012.47.53

Problem statement: The examination of organizational citizenship behaviors as the mediating variable through which human resource practices affect firm performance is still scarce. Approach: This stud...

An Overview of Research Issues in the Modern Healthcare Monitoring System Design using Wireless Body area Network

D. Suresh — 2011-11-05

American Journal of Applied Sciences, Published online: 5 November 2011; doi:10.3844/ajassp.2012.54.59

Problem statement: Healthcare is recognized various leading edge technologies and new scientific discoveries to enable better cures for diseases and better means to enable early detection of most life...

Equity Valuation with the Use of Multiples

Stauropoulos Antonios — 2011-11-05

American Journal of Applied Sciences, Published online: 5 November 2011; doi:10.3844/ajassp.2012.60.65

Problem statement: Equity valuation with the use of multiples is widely used by academics and practitioners concerning its functionality. This study aims to explore the sensitivity of three multiples ...

An Analysis and Overview of Modern Digital Watermarking

Y. Arockia Raj — 2011-11-05

American Journal of Applied Sciences, Published online: 5 November 2011; doi:10.3844/ajassp.2012.66.70

Problem statement: The major growth of information technology is based on the growth of computer networks. The computer network diminished the entire global in a nutshell, via the internet and the int...

Quality of Life of the Elderly Residents

Fereshteh Farzianpour — 2011-11-05

American Journal of Applied Sciences, Published online: 5 November 2011; doi:10.3844/ajassp.2012.71.74

Problem statement: A preliminary investigation of the Orem self-care training effects on the Quality Of Life (QOL) of the health care centers’ elderly residents in the city of Masjed Solaiman, Iran....

Vitamin E Mitigates Chronic Chlorpyrifos-Induced Oxidative Changes in Pituitary Glands and Testes in Wistar Rats

M. Shittu — 2011-11-19

American Journal of Applied Sciences, Published online: 19 November 2011; doi:10.3844/ajassp.2012.75.82

Problem statement: The sperm counts of men have declined by about 50% in the last few decades. The contribution of environmental contaminants to this decline cannot be overemphasized. Pesticide is one...

Digital Simulation, Design, Comparitive Analysis of Intelligent Controllers in Adjustable Speed Drives for PQ Enhancement

A. Srikrishnan — 2011-11-21

American Journal of Applied Sciences, Published online: 21 November 2011; doi:10.3844/ajassp.2012.83.88

Problem statement: This study deals with the analysis, design and comparison between fuzzy and genetic based adjustable speed drives with respect to the parameters which determines the quality of powe...

Wideband E-Shaped Microstrip Antenna for Wireless Sensor Networks

G. Elangovan — 2011-11-21

American Journal of Applied Sciences, Published online: 21 November 2011; doi:10.3844/ajassp.2012.89.92

Problem statement: Wireless Sensor Networks (WSN) is currently receiving significant attention due to their unlimited potential. It is still very early in the lifetime of such systems and many researc...

An Improved Time Domain Pitch Detection Algorithm for Pathological Voice

Mohd Redzuan Jamaludin — 2011-11-21

American Journal of Applied Sciences, Published online: 21 November 2011; doi:10.3844/ajassp.2012.93.102

Problem statement: The present study proposes a new pitch detection algorithm which could potentially be used to detect pitch for disordered or pathological voices. One of the parameters required for ...

Theoretical Study of the Proton Transfer in Enaminones

Rita Sabah Elias — 2011-11-23

American Journal of Applied Sciences, Published online: 23 November 2011; doi:10.3844/ajassp.2012.103.106

Problem statement: Hydrogen bonding has a vital rule to unrevealed the nature of many different interactions both in gas phase and condensed media thus it is one of the most important concepts in chem...

Dynamic Capability and Its Effects on Firm Performance

Kuo-Wei Lin — 2011-11-23

American Journal of Applied Sciences, Published online: 23 November 2011; doi:10.3844/ajassp.2012.107.110

Problem statement: The study has been mainly attempted as an extension to previous studies made on dynamic capabilities and their necessity in organizational firms for goals’ accomplishments. Approa...

Power Quality Analysis in 6 MW Wind Turbine Using Static Synchronous Compensator

R. Valarmathi — 2011-11-23

American Journal of Applied Sciences, Published online: 23 November 2011; doi:10.3844/ajassp.2012.111.116

Problem statement: An inherent problem with wind turbine power generation systems is the low power quality due to intermittent power generation in these systems. This not only affects the power genera...

Design of Transmitter for CDM Based 2×2 Multiple Input Multiple Output Channel Sounder for Multipath Delay Measurement

M. Habib Ullah — 2011-11-24

American Journal of Applied Sciences, Published online: 24 November 2011; doi:10.3844/ajassp.2012.117.122

Problem statement: Multiple Input Multiple Output (MIMO) wireless communication system is an innovative solution to improve the bandwidth efficiency by exploiting multipath-richness of the propagation...

Medical Image Classification Using Genetic Optimized Elman Network

T. Baranidharan — 2011-11-24

American Journal of Applied Sciences, Published online: 24 November 2011; doi:10.3844/ajassp.2012.123.126

Problem statement: Advancements in the internet and digital images have resulted in a huge database of images. Most of the current search engines found in the web depends only on images that can be re...

A Gene Selection Algorithm using Bayesian Classification Approach

Alok Sharma — 2011-11-24

American Journal of Applied Sciences, Published online: 24 November 2011; doi:10.3844/ajassp.2012.127.131

In this study, we propose a new feature (or gene) selection algorithm using Bayes classification approach. The algorithm can find gene subset crucial for cancer classification problem. Problem stateme...

Fuzzy Time Series: An Application to Tourism Demand Forecasting

Muhammad Hisyam Lee — 2011-11-24

American Journal of Applied Sciences, Published online: 24 November 2011; doi:10.3844/ajassp.2012.132.140

Problem statement: Forecasting is very important in many types of organizations since predictions of future events must be incorporated into the decision-making process. In the case of tourism demand,...

Performance Evaluation of Wireless Sensor Network Channel in Agricultural Application

Naseer Sabri — 2011-11-24

American Journal of Applied Sciences, Published online: 24 November 2011; doi:10.3844/ajassp.2012.141.151

Problem statement: In this study, the behavior of small scale fading channel due to a moving sink node of a Wireless Sensor Network (WSN) or moving of surrounding objects is presented. Approach: Speci...

An Initio Theoretical Study for the Electronic Spectra of β-Thioxoketones

Rita S. Elias — 2011-11-24

American Journal of Applied Sciences, Published online: 24 November 2011; doi:10.3844/ajassp.2012.152.157

Problem statement: β-thioxoketones exist as equilibrium mixtures of the tautomeric enol and enethiol forms which interconvert very rapidly by intramolecular chelate proton transfer. Accordingly their...