Natural & Applied Sciences

Natural & Applied Sciences Research Papers/Topics

Intranet-Based Wiki with Instant Messaging Protocol

Abstract  This project developed an Intranet-Based Wiki with Instant Messaging Protocol (IBWIMP) for the Staff of the Department of Computer Science, University of Nigeria, Nsukka to enable them collaborate on tasks; like writing of documents like, memo, project guidelines, proposal/grants, and circulars with online security consideration. The essence of this work is to improve on the contributions staff make during work, in carrying out tasks with their colleagues irrespective of the person...

Fabrication and Characterization of Zeolites and its Application in Heavy Metal Capture

ABSTRACT Zeolite crystals were synthesized by mixing sodium silicate and sodium aluminate to obtain aluminosilicate gel which was further treated hydrothermally to obtain the final product. The zeolite crystals were characterized by x-ray diffraction (XRD) and scanning electron microscopy (SEM). The XRD result identified the synthesized crystals as zeolite z; additional evidence was provided by the SEM images which showed that the zeolite crystals were disc-shaped and the particle sizes rang...

Software Bugs: Detection, Analysis and Fixing

ABSTRACT  This research work is concerned with the detection, analysis and fixing of software bugs. The objective of this work was to identify software development process with a focus of identifying cost effective methods of developing and managing software systems by introducing a post-deployment debugging approach which helps track software’s stability and at same time serve as a software bug-data repository. To achieve this objective, a web-based application –BugTracker was developed...

Production and Evaluation of Extruded Snacks from Composite Flour of Bambara Groundnut (Voandzeia Subterranea (L) Thoaur ), Hungry Rice (Digitaria Exilis Staph.) and Carrot (Daucus Carota L.)

ABSTRACT Cleaned Bambara groundnut seeds were divided into four lots. Each lot was separately pretreated thus: germinated, roasted, germinated and roasted, and unprocessed which served as control. Each sample was ground, sieved, and extruded using single screw extruder. Consumer preference test was done by a taste panel of 50 people who rated the products on the attributes of colour, taste, flavour and overall acceptability using a 9-point hedonic scale. The treatment (roasting) given on the...

Effect of Co-Extruded Film on the Shelf Stability of Sliced Salted Pork Meat Product

ABSTRACT The study evaluated the efficiency of co-extruded polypropylene (PP) and low density polyethylene (LDPE) in extending the shelf-stability of unam inung traditional meat product during storage under ambient conditions. Fresh pork was processed, in traditional way, into unam inung meat product and stored for 6 months, under ambient room conditions as unpackaged, clay pot packaged (traditional method), and those packaged in polypropylene (PP), low density polyethylene (LDPE) and co-ext...

Fabrication and Capacitive (C-V) Characteristics of Conjugated Polymer Composite (P-PolyanilineN-Wo3) Heterojunction

Abstract A nanocrystalline and porous p-Polyaniline/n-WO3 dissimilar heterojunction at ambient temperature is reported. The high-quality and well-reproducible conjugated polymer composite films have been fabricated by oxidative polymerization of anilinium ion on predeposited WO3 thin film by chemical bath deposition (CBD). X-ray diffraction analysis of the deposited WO3 films revealed that as-deposited film was amorphous; however, an amorphous-to-crystalline phase transition was observed by ...

Multicore Specification Generation System

ABSTRACT  Performance analysis is the task of monitoring the behaviour of a program execution. The main goal is to find out the possible adjustments that might be done in order to improve the performance of the computer system in use. To be able to get that improvement, it is necessary to find the different causes/contributors of overhead. Today, we are already in the multicore era, but there is a gap between the level of development of the two main divisions of multicore technology (hardwar...

Virtual University Administration (Personnel Management)

ABSTRACT   Personnel department is service-oriented towards staff and entails day-to-day activities of units some of whose functions overlap and involves recruitment of staff, retirement of staff, termination of appointment, processing of request for sabbatical leave, staff training and development, pension funds administration, health management organization, etc., and will be easier, faster and secure adopting a virtual approach rather than its manual counterpart. This project work will e...

Synthesis and Evaluation for Biological Activities of Npyridin-3-Yl Substituted [Phenylsulphonamido] Acetamide

ABSTRACT In this study, a series of N-pyridin-3-yl substituted [phenylsulphonamido] acetamide has been synthesized. The reaction of phenylsulphonyl chloride with various amino acids in basic medium yielded phenylsulphonamido alkanoic acid which, on chlorination with thionyl chloride, gave acid chloride derivatives of phenylsulphonamido alkanoic acid in situ. The acid chloride derivatives on condensation with 3-aminopyridine gave corresponding acetamide in good to excellent yield. The compoun...

Geophysical Investigation of Road Failure using Electrical Resistivity Imaging Method, A Case Study of Uhiele Opoji Road Edo State

ABSTRACT A shallow geophysical investigation for road surface failure using 2D electrical resistivity imaging profiling was conducted to produce an approximate model of the subsurface resistivity. This study was done with the aim of revealing the horizontal and vertical geological discontinuities using electrical resistivity, an intrinsic property of all materials. Probable zones of untimely failure along the road are then investigated by variation in resistivity. Four traverses were establi...

ALPHA-AMYLASE INHIBITORY COMPOUNDS FROM LANNEA SCHWEINFURTHII STEM BARK AND THEIR MODES OF INHIBITION

ABSTRACT Management of hyperglycemia is an essential strategy in control of diabetes mellitus which remains a major health problem despite several therapeutic interventions particularly inhibitors of a-amylase. Use of ethnobotanical options has prominently been reported, for instance, Lannea schweinfurthii reported for management of hyperglycemia, although there is no scientific information to validate its anti-hyperglycemic potential. The study was to determine structures of compounds from L...

Controlling schistosomiasis with praziquantel: How much longer without aviable alternative?

Abstract The current approach of morbidity control of schistosomiasis, a helminth disease of poverty with considerable public health and socioeconomic impact, is based on preventive chemotherapy with praziquantel. There is a pressing need for new drugs against this disease whose control entirely depends on this single drug that has been widely used over the past 40 years. We argue that a broader anthelminthic approach supplementing praziquantel with new antischistosomals targeting different p...

Development of a Task Management Email System

Abstract  This project work analyzed the relevance of the Email in modern business practices and organization. As SMEs and large firms expand, they are faced with the problem of managing numerous staff dispersed in diverse field offices. There is a need to send up-to-date information about their products to a larger clientele. The proposed system design provides a management tool that handles employee task management, internal communication and information dissemination. The new system desig...

Effect of Occupational Lead Exposure on Zinc and Chromium Level among Factory Workers

Abstract Introduction: Lead is an oxidation reduction inactive metal however it interacts with a group of essential elements such as copper, zinc, selenium and chrome and iron. Accordingly current study aims to evaluate the effect of occupational Lead exposure on zinc and chromium level among factory workers. Materials and Methods: A cross-sectional study included 41 Lead exposure workers and 40 non exposure subjects as control group. Serum chromium and zinc were measured using Atomic Absorp...

Measurements of Radiation Doses of Natural Radioactive Material in Oil fields at West Kourdofan

Abstract Scale, sludge and sand samples were collected and analysed using thallium activated sodium iodide NaI(Tl) spectrometer to determine type, activity concentration, absorbed dose rate and annual effective dose of naturally occurring radioactive material (NORM) of samples collected from oil fields at West Kourdofan state. Scale radionuclides was found to be, 238U, 232Th and 40K at concentrations ranged from (4106.9 - 358.05) Bq/Kg, (2736.7 - 375.88) Bq/Kg and (9294 - 16.07) Bq/Kg respec...


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