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2012

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Occupational Physical Activity Measurement Among Nurses In Universiti Malaya Medical Centre / Dr. Syamsul Rizal Bin Abu Amin, Abu Amin Syamsul Rizal Jan 2012

Occupational Physical Activity Measurement Among Nurses In Universiti Malaya Medical Centre / Dr. Syamsul Rizal Bin Abu Amin, Abu Amin Syamsul Rizal

Student Works (2010-2019)

Background: Although many studies have investigated the correlate of physical activity, these were mostly conducted in the leisure time domain. There is still lack of understanding about correlates physical activity exclusively in the workplace setting, as most study in the occupational domain are coupled with transportation domain. This study objectively examined the correlates of physical activity only in the occupational setting, where different backgrounds of female nurses were examined within the similar physical, social and working environment. Objectives: The primary objective is to examine relationships between correlates and component of physical activity in occupational setting. Secondary objectives are to investigate …

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Effect Of Leech Therapy On Body Composition Parameters / Nazihah Ahmad, Ahmad Nazihah Jan 2012

Effect Of Leech Therapy On Body Composition Parameters / Nazihah Ahmad, Ahmad Nazihah

Student Works (2010-2019)

Leech therapy treatment is one of the complimentary and alternative medicine that has been categorized as one of the ancient method in treating diseases. Locally unpopular this treatment still has its own believer that practices it for the sake of bloodletting treatment that claims to be successful. Therefore, a series of study should be conducted in order to prove the aforementioned claim by using the bioimpedance analysis. Bioimpedance analysis is way of measuring the fat and fat free mass in much more convenience way. This measurement is normally used by nutritionist as this invasive method is very suitable to determine …

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Effect Of Acupuncture Therapy On Body Composition Parameters / Kamrun Nahar, Nahar Kamrun Jan 2012

Effect Of Acupuncture Therapy On Body Composition Parameters / Kamrun Nahar, Nahar Kamrun

Student Works (2010-2019)

Acupuncture is a technique for inserting needles into the body to introduce anesthesia or reduce pain. In detail, acupuncture basically is a procedure involved with stimulation of anatomical locations on or in the skin by using different types of techniques. Acupuncture is used for maintaining condition of body or treats human diseases for thousands of years.This thesis concerns the bioimpedance parameters (BI) and body composition parameters of people before and after undergoing acupuncture therapy. To measure bioimpedance (BI) parameters of normal subject and patients before and after acupuncture therapy I need to calculate the body composition parameters using Quadscan 4000. …

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Improvement Of Dielectrophoretic Data Analysis Algorithm In Determining The Relative Polarisability Of Dielectric Particles / Robiyanti Adollah, Adollah Robiyanti Jan 2012

Improvement Of Dielectrophoretic Data Analysis Algorithm In Determining The Relative Polarisability Of Dielectric Particles / Robiyanti Adollah, Adollah Robiyanti

Student Works (2010-2019)

In the past few years, there has been an extensive research in the manipulation and analysis of biological cells at the micro scale. DEP offer the ability to manipulate particles, especially living cells, is fundamental to many biological and medical applications, including isolation and detection of cancer cells, concentration of cells from dilute suspensions, separation of cells according to specific properties, and trapping and positioning of individual cells for characterization. The term DEP was first introduced by Pohl in 1951 to describe the transnational motion of particles due to the application of non-uniform electrical fields. The dielectrophoretic motion is determined …

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Numerical Simulation Of Rubber Panel Under Impact Loading / Kamsani Kamal, Kamal Kamsani Jan 2012

Numerical Simulation Of Rubber Panel Under Impact Loading / Kamsani Kamal, Kamal Kamsani

Student Works (2010-2019)

This research report presents a numerical simulation of projectile impact on a rubber panel. The simulation is conducted in order to explore the possibilities of using rubber panel as additional safety device to sand materials which are currently used as “End Butt” at the 600 meters closed shooting range of Weapon Technology Division (WTD), STRIDE. The rubber panel should be able to stop and trap the bullet and should be light enough to be transferred from one position to the other position in the shooting range. Through simulation, we investigate the capability of rubber panel in resisting penetration of the …

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Regulating Edible Bird's Nest (Ebn) Industry In Malaysia: An Evaluation Of The Current Legal Framework / Lua Kok Hiyong, Kok Hiyong Lua Jan 2012

Regulating Edible Bird's Nest (Ebn) Industry In Malaysia: An Evaluation Of The Current Legal Framework / Lua Kok Hiyong, Kok Hiyong Lua

Student Works (2010-2019)

This research project discussed the history of Edible Birds' Nests (EBN) industry in Malaysia, the swift and its family, EBN, fake nest, problems involving nuisance caused by the swifts, public health concerns, World Heritage Sites, nitrite contents in EBN, the guidelines issued over the years and the various statutes mainly the repealed Protection of Wild Life Act, 1 Animals Act 1953 with a specific focus on Wildlife Conservation Ace and the Garis Panduan Pembangunan Industri Burung Walit, Januari 2010 (1 GP).3 Animal Welfare Bill2012 which is pending approval in the year 2013 is also discussed. It comprehensively studied and evaluated …

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Automatic Recognition Of Freshwater Algae (Oscillatoria Sp.) Using Image Processing Techniques With Artificial Neural Network Approach / Awatef Saad Salem Saad, Awatef Saad Salem Saad Jan 2012

Automatic Recognition Of Freshwater Algae (Oscillatoria Sp.) Using Image Processing Techniques With Artificial Neural Network Approach / Awatef Saad Salem Saad, Awatef Saad Salem Saad

Student Works (2010-2019)

Cyanobacteria can be used as indicators to offer relatively exclusive information pertaining to ecosystem condition. Cyanobacteria react quickly and predictably to a broad range of pollutant. Thus provides potentially constructive early caution signals of worsening environment and the possible causes. Therefore the aim of this study is to develop an image processing and pattern recognition methods to detect and classify oscillatoria genus from Cyanobacteria found on tropical Putrajaya Lake (Malaysia). Computer-based image analysis and pattern recognition methods were used to construct a system that is able to identify, and classify selected Cyanobacteria genus automatically. An image analysis algorithm was implemented …

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Chromosomal Alterations And Gene Pathways Of Tongue And Cheek Squamous Cell Carcinoma / Vincent Chong Vui King., Vincent Vui King Chong Jan 2012

Chromosomal Alterations And Gene Pathways Of Tongue And Cheek Squamous Cell Carcinoma / Vincent Chong Vui King., Vincent Vui King Chong

Student Works (2010-2019)

Introduction: Tongue and cheek squamous cell carcinoma (SCC) have different behaviours. In order to understand these behaviours, there is a need to look into the chromosomal alterations and gene pathways that maybe associated with oral cancer at these sites. Therefore, the objective of this study is to determine the chromosomal aberrations and gene pathways involved in tongue and cheek SCC using high resolution array based comparative genomic hybridization (aCGH). Methodology: A genome wide screening with array CGH (SurePrint G3 CGH 1x1M microarray) was performed using gDNA from 20 snap frozen fresh tissues consisting of 12 tongue and 8 cheek SCC …

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Tissue Culture And Biological Activities Of Gardenia Jasminoides Ellis / Reza Farzinebrahimi, Reza Farzinebrahimi Jan 2012

Tissue Culture And Biological Activities Of Gardenia Jasminoides Ellis / Reza Farzinebrahimi, Reza Farzinebrahimi

Student Works (2010-2019)

In order to establish an efficient in vitro propagation protocol for Gardenia jasminoides Ellis, Murashige and Skoog (MS) and woody plant medium (WPM) with different concentrations and types of auxin and cytokinin were used. The leaf explants of G. jasminoides were cultured on MS and WPM medium containing 3% sucrose and different concentrations of NAA, IBA, IAA, 2,4-D as aux-in and TDZ & Kn as cytokinin with range of 0-5 mg l-1 in order to obtain callus, shoot and root formation. After 2 weeks, the callus was formed on both types of media sup-plemented with various hormones at different concentrations. …

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Antimicrobial Activity Of Mesophilic And Psychrotrophic Microfungi Isolate From: King George Island And Greenwich Island, Maritime Antarctica / Wessam Mansour Filfilan, Wessam Mansour Filfilan Jan 2012

Antimicrobial Activity Of Mesophilic And Psychrotrophic Microfungi Isolate From: King George Island And Greenwich Island, Maritime Antarctica / Wessam Mansour Filfilan, Wessam Mansour Filfilan

Student Works (2010-2019)

This research was made to study the antimicrobial activity of fungal isolates from different regions of maritime, Antarctica, namely, King George Island and Greenwich Island (Barrientos Island, Dee Island and Ambato point). A total of 17 isolates composed of 7 mesophilic and 10 psychrotrophic fungi were tested in-vitro against Gram-positive, Gram-negative bacteria and yeast human pathogens. Initial antimicrobial activity screening of Antarctic isolates was made using plug assay method. Five test-microorganisms namely Candida albicans, Staphylococcus aureus, Bacillus subtilis, Escherichia coli and Pseudomonas aeruginosa were used. Only five (out of 17) fungal isolates showed inhibition potency against the test-microorganisms and majority …

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Spinal Motor Neuronal Organisation Of Selected Local Freshwater Fishes In Relation To Median Fin Innervations / Kwong Soke Chee, Soke Chee Kwong Jan 2012

Spinal Motor Neuronal Organisation Of Selected Local Freshwater Fishes In Relation To Median Fin Innervations / Kwong Soke Chee, Soke Chee Kwong

Student Works (2010-2019)

Fish fins are appendages which represent the limbs in higher vertebrates. In general, fish moves in the water by body undulation with the assistance of fins. To date, most of the studies focused on the innervations of limbs especially in mammals, such as rats, cats and monkeys. On the contrary, understanding on the innervations of the fish fin is still at its infancy as studies on the relevant field are relatively scarce. Hence, this study aimed to fill the knowledge gap, i.e. to investigate the organisation of spinal motor neurons in relation to the distribution of the median fins. For …

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Mutation Screening And Analysis Of The Apc Gene In Malaysian Fap Patients / Fiqri Dizar Khaidizar, Fiqri Dizar Khaidizar Jan 2012

Mutation Screening And Analysis Of The Apc Gene In Malaysian Fap Patients / Fiqri Dizar Khaidizar, Fiqri Dizar Khaidizar

Student Works (2010-2019)

Mutations in the APC tumour suppressor gene cause Familial Adenomatous Polyposis (FAP), a predisposition to colorectal cancer. This condition is characterized by adenomatous polyp formation in the colon and rectum which may advance to malignancy if not detected and treated early. FAP is 100% penetrant and segregates in an autosomal dominant manner. Screening for mutation in the APC gene is part of the preemptive genetic screening and risk assessment efforts for individuals with high risk of FAP. Knowledge of mutation spectrum that is prevalent in a certain population is essential to ensure precise prognosis of FAP by genetic testing. As …

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Evaluation Of Neurite Outgrowth Stimulation And Neuroprotective Activities Of Hericium Erinaceus Extracts On Cell Line Ng 108-15 / Lai Puei-Lene, Puei-Lene Lai Jan 2012

Evaluation Of Neurite Outgrowth Stimulation And Neuroprotective Activities Of Hericium Erinaceus Extracts On Cell Line Ng 108-15 / Lai Puei-Lene, Puei-Lene Lai

Student Works (2010-2019)

Neurotrophic factors play an indispensable role in the functionality and development of the nervous system. One of the well-studied neurotrophic factors is nerve growth factor (NGF), which is required for the growth and differentiation of dorsal root ganglion and sympathetic ganglion neurons. Studies have shown that the bioactive compounds - hericenones and erinacines of Hericium erinaceus (Bull.: Fr.) Pers., a medicinal mushroom widely used in Japan, Korea and China, can induce NGF synthesis in nerve cells. This temperate mushroom has been successfully domesticated in Malaysia and cultivated in lowland conditions. The aim of this study was to evaluate the synergistic …

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Association Between Dietary Pattern And Β-Carotene Intake With Oral Cancer Risk / Helen Ng Lee Ching, Helen Lee Ching Ng Jan 2012

Association Between Dietary Pattern And Β-Carotene Intake With Oral Cancer Risk / Helen Ng Lee Ching, Helen Lee Ching Ng

Student Works (2010-2019)

No abstract provided.

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Gene Expression Patterns Of Cheek, Gum And Tongue Squamous Cell Carcinoma / Amyza Mohammed Saleh, Amyza Mohammed Saleh Jan 2012

Gene Expression Patterns Of Cheek, Gum And Tongue Squamous Cell Carcinoma / Amyza Mohammed Saleh, Amyza Mohammed Saleh

Student Works (2010-2019)

Clinical evidence suggested that biological behavior as well as response to treatment is different in OSCC arising from the different anatomical locations of the mouth and could be influenced by the activation or/and inactivation of different genes and pathways. Objective: Gene expression analysis of OSCC from different sites of the oral cavity was conducted to determine if there were significant differences in the expression pattern that could be associated with clinical observations. Materials and Methods: Formalin-fixed paraffin-embedded tissues from OSCC from cheek, gum, tongue and non-cancerous oral mucosal from the matching sites were used in microarray experiments (DASL, Illumina) to …

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A Survey On Plant Resource In Home Gardens In Penisular Malaysia / Mohd Raznam Ramli, Ramli Mohd Raznam Jan 2012

A Survey On Plant Resource In Home Gardens In Penisular Malaysia / Mohd Raznam Ramli, Ramli Mohd Raznam

Student Works (2010-2019)

This study was carried out to describe and characterize uses of plants that are tended or cultivated in home gardens in Peninsular Malaysia. A survey through floristic inspection of home gardens and semi-structured interviews with home garden owners were carried out at 94 home at various villages in Peninsular Malaysia from June through December of 2008. A total of 120 species of plants were encountered of which food plants namely Cocus nucifera L., Nephelium lappaceum L., Musa paradisiacal L., Durio zibethinus Murr and Mangifera indica L were found in most of the home gardens. Most of the species of plants …

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Alterations Of Microrna Expression Patterns In Human Cervical Carcinoma Cells (Ca Ski) Towards 1'S-1'-Acetoxychavicol Acetate (Aca) And Cisplatin (Cddp) / Phuah Neoh Hun, Neoh Hun Phuah Jan 2012

Alterations Of Microrna Expression Patterns In Human Cervical Carcinoma Cells (Ca Ski) Towards 1'S-1'-Acetoxychavicol Acetate (Aca) And Cisplatin (Cddp) / Phuah Neoh Hun, Neoh Hun Phuah

Student Works (2010-2019)

The main aims of this study were to investigate the combined effects of a natural compound 1’S-1’-acetoxychavicol acetate (ACA) with cisplatin (CDDP) on human cervical carcinoma cells Ca Ski, and to identify microRNAs (miRNAs) asscociated with response towards ACA and/or CDDP. Data obtained from MTT cell viability assays indicated that both ACA and CDDP induced dose- and time-dependent cytotoxicity on Ca Ski cells when used as a standalone agent. The in vitro studies also demonstrated that ACA potentiates the cytotoxic effects of CDDP when used in combination through synergistic interactions. The miRNA microarray was used to identify global miRNA expression …

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Lake Bera And Lake Chini Water Quality Monitoring Using Support Vector Machine / Siti Fatihah Asy Syura Mat Jubit, Mat Jubit Siti Fatihah Asy Syura Jan 2012

Lake Bera And Lake Chini Water Quality Monitoring Using Support Vector Machine / Siti Fatihah Asy Syura Mat Jubit, Mat Jubit Siti Fatihah Asy Syura

Student Works (2010-2019)

Water quality monitoring is very important to control the quality of water. Lake Bera and Lake Chini which are known as a very important wetland are used to apply SVM method to predict its water quality. The output used to predict the classification of high medium and low is the dissolved oxygen according to the standard provided by the Interim National Water Quality Standard of Malaysia and Department of Environment. The training and test data is divided to 80% for training data and 20% for testing data. The SVM is implemented using R software package kernlab which used ksvm as …

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Alkaloids Isolated From Litsea Grandis And Litsea Lancifolia (Lauraceae) / Syazreen Nadia Sulaiman, Sulaiman Syazreen Nadia Jan 2012

Alkaloids Isolated From Litsea Grandis And Litsea Lancifolia (Lauraceae) / Syazreen Nadia Sulaiman, Sulaiman Syazreen Nadia

Student Works (2010-2019)

The phytochemical study on the leaves of Litsea grandis and on the barks of Litsea lancifolia involved extraction and separation of alkaloids by using dichloromethane as a solvent. The crude alkaloids obtained were subjected to extensive chromatographic techniques such as thin layer chromatography (TLC) and column chromatography (CC). The structural elucidations of the purified alkaloids were performed with the aid of spectroscopic methods notably 1D-NMR (1H, 13C, DEPT) and 2D-NMR(COSY, HMQC, HMBC, NOESY), UV, IR and LCMS-IT-TOF. The chemical study on the leaves of Litsea grandis gave three alkaloids; one aporphine (laurotetanine 69) and two benzylisoquinoline (reticuline 67 and N-methylisococlaurine …

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Synthesis And Characterization Of Unsupported Copper Sulfide For Mercury Trapping In Aqueous System / Yap Pei Lay, Pei Lay Yap Jan 2012

Synthesis And Characterization Of Unsupported Copper Sulfide For Mercury Trapping In Aqueous System / Yap Pei Lay, Pei Lay Yap

Student Works (2010-2019)

Two phase pure copper sulfides, rhombohedral phase digenite (Cu9S5) and hexagonal phase covellite (CuS) have been successfully prepared via hydrothermal method using copper nitrate and sodium thiosulfate without any assisting agent. The structural, chemical, and thermal properties of the as-synthesized phase pure systems were investigated with various characterization techniques, including powder X-ray diffraction (PXRD), scanning and transmission electron microscopy (SEM and TEM), BET gas sorption, X-ray fluorescence (XRF), energy dispersive X-ray scpectroscopy (EDX), thermogravimetric analysis coupled to mass scpectroscopy (TGA-MS), as well as differential scanning calorimetry (DSC) methods. In this study, the phase pure covellite has shown a potential ability …

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Information And Communication Technology Innovation As A Tool For Promoting Sustainable Agriculture : A Case Study Of Paddy Farming In West Malaysia ? / Zakirah Othman, Othman Zakirah Jan 2012

Information And Communication Technology Innovation As A Tool For Promoting Sustainable Agriculture : A Case Study Of Paddy Farming In West Malaysia ? / Zakirah Othman, Othman Zakirah

Student Works (2010-2019)

Sustainable agriculture refers to the farm’s ability to maintain production and giving benefits based on maintaining nature and the ecosystem indefinitely. Malaysia aims to transform current agricultural activities into advanced, innovative and sustainable practices. In the recently announced Third National Agricultural Policy, there are many issues highlighted to promote the sustainability of agricultural practices. However, this is not an easy task because there are basic problems that the farmers will encounter, especially with regards to their understanding of sustainable agriculture. As an alternative solution, introducing Information and Communication Technology (ICT) applications is a novel way to increase awareness and promote …

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Chemical Constituents Of Goniothalamus Tapisoides / Rosalind Kim Pei Theng, Rosalind Pei Theng Kim Jan 2012

Chemical Constituents Of Goniothalamus Tapisoides / Rosalind Kim Pei Theng, Rosalind Pei Theng Kim

Student Works (2010-2019)

Goniothalamus tapisoides Mat Salleh, a plant from Annonaceae family, has been studied. Collected from Sarawak, the bark of this plant were dried and grounded before phytochemical study was performed. The chromatographic separation on the dichloromethane extracts of the bark gave eleven compounds – six known and five new. Six known compounds were identified as goniothalamin 1, pterodondiol 164, liriodenine 114, 9-deoxygoniopypyrone 15, benzamide 161 and cinnamic acid 155. Five new compounds are goniomicin A 157, goniomicin B 158, goniomicin C 159, goniomicin D 160 and tapisoidin 162.

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Population Genetics And Evaluation Of Diallel Cross Of Four Red Tilapia Populations In Malaysia / Kayal Vizi A/P Karuppannan, Kayal Vizi Karuppannan Jan 2012

Population Genetics And Evaluation Of Diallel Cross Of Four Red Tilapia Populations In Malaysia / Kayal Vizi A/P Karuppannan, Kayal Vizi Karuppannan

Student Works (2010-2019)

Tilapia is an important farmed freshwater fish in Malaysia. Tilapia farming was introduced in Malaysia in the 1940’s. In 2003, tilapia accounted 21,417 tons of total freshwater aquaculture production. Red hybrid is the most popular tilapia species cultured in Malaysia. One of the constraints faced by the industry is quality of fries. There are quite a number of private hatcheries in Malaysia producing tilapia fries and not much is known about their quality with respect to their genetic variability. Thus this study attempted to characterize the four study populations and one standard population, which were PKPS (PS), Bentong (BT), Enggor …

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Inclusion Of Lycium Barbarum, Psidium Guajava, Momordica Grosvenori And Garcinia Mangostana In Yogurt And Their Effects On Fermentation And Exopolysaccharide-Production / Elham Bagheri, Elham Bagheri Jan 2012

Inclusion Of Lycium Barbarum, Psidium Guajava, Momordica Grosvenori And Garcinia Mangostana In Yogurt And Their Effects On Fermentation And Exopolysaccharide-Production / Elham Bagheri, Elham Bagheri

Student Works (2010-2019)

Yogurt is popularly consumed because of its high digestibility, refreshing organoleptic properties and the healthy bacteria it contains. Milk incubated with starter culture (SC) at 41⁰C in the presence of plants (Momordica grosvenori, Psidium guajava, Lycium barbarum or Garcinia mangostana) water extract were studied to examine the effects on acidification, microbial growth, gelation and exopolysaccharide (EPS) content. Initial pH values (5.8-6.2) of the mixture of milk, plant water extract and SC were not different (p>0.05) from control (6.20; mixture of milk and SC). The rates of pH reduction for all herbal-yogurts (-0.40 pH unit/ hour), except G. mangostana and …

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Screening Of Chitinolytic Activities Of Geomyces Spp. Isolated From Fildes Peninsula, King George Island, Antarctica / Fawzyah Obeedallah Albaldi, Fawzyah Obeedallah Albaldi Jan 2012

Screening Of Chitinolytic Activities Of Geomyces Spp. Isolated From Fildes Peninsula, King George Island, Antarctica / Fawzyah Obeedallah Albaldi, Fawzyah Obeedallah Albaldi

Student Works (2010-2019)

The first part in this research, was screened six strains of Geomyces spp. isolated from King George Island in the Maritime Antarctica for chitinase enzyme. Initially, microfungi were grown at 4 °C and 25 °C on a series of plates each containing 1% colloid chitin, 0.5% (NH4)2SO4, 0.05% MgSO4.7H2O, 0.24% KH2PO4, 0.06% K2HPO4.3H2O and 1.5% agar. Colony radius and hydrolytic activity were measured and a relative activity index (RA) constructed. Relative activity values at 25 ˚C were higher than at 4 ˚C. Only Geomyces sp. 5 (AKA7KGI102 R1-4) showed significant chitinase activity at both temperatures. Obviously, effective hydrolysis occurred at …

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A Preliminary Study On The Use Of Alternative Chemicals For Treatment Of Wastewater In Coal Fired Power Generation / Gunasegran A/L Ramasamy, Gunasegran Ramasamy Jan 2012

A Preliminary Study On The Use Of Alternative Chemicals For Treatment Of Wastewater In Coal Fired Power Generation / Gunasegran A/L Ramasamy, Gunasegran Ramasamy

Student Works (2010-2019)

Hydrated lime is used for pH adjustment as part of the treatment process at the main wastewater treatment plant in Sultan Azlan Shah Power Station, Manjung. Many problems are encountered in usage of hydrated lime mainly in terms of handling. Manual labour is used to load hydrated lime into bag unloader and it is a messy job because some of the chemical spills and gets air borne. This is also a safety concern. The hydrated lime also frequently chokes the outlet of storage silo and is another manual job to clear the blockage. This study is important because replacement of …

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Evaluation Of Chemoprotective Effects Of Phyllanthus Niruri Against Azoxymethane-Induced Foci Of Aberrant Crypts In Rats / Halabi Mohammed Farouq O., Mohammed Farouq O Halabi Jan 2012

Evaluation Of Chemoprotective Effects Of Phyllanthus Niruri Against Azoxymethane-Induced Foci Of Aberrant Crypts In Rats / Halabi Mohammed Farouq O., Mohammed Farouq O Halabi

Student Works (2010-2019)

Phyllanthus niruri (P. niruri) is an important Malaysian medicinal plant commonly used traditionally for the treatment of many aliments. The present investigation was designed to elucidate the chemoprotective effects of ethanolic extract of this plant against azoxymethane-induced (AOM) foci of aberrant crypts in rats. Sprague Dawley rats received injections of AOM (15mg/kg, once weekly) for two weeks. Daily treatments with P. niruri extracted, 250mg/kg and 500 mg/kg of body weight as low and high dose, respectively, were orally administered for eight weeks. At the end of the study, aberrant crypt foci (ACF) were evaluated and examined under a light. The …

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Solid Waste Debris Management On Selected Beaches In Malaysia / Khairunnisa Ahmad Kamil, Khairunnisa Ahmad Kamil Jan 2012

Solid Waste Debris Management On Selected Beaches In Malaysia / Khairunnisa Ahmad Kamil, Khairunnisa Ahmad Kamil

Student Works (2010-2019)

Solid waste debris on beaches had caused environmental, aesthetical, economic and social problems in Malaysian beaches. This study discussed solid waste debris management on selected Malaysian beaches namely, Teluk Kemang, Pasir Panjang, Batu Burok, Seberang Takir, Tanjung Aru and Teluk Likas. The objectives of the study are to determine the abundance, composition, rate of accumulation, and the sources of debris on these beaches. It also aims to investigate the current beach management in Malaysia and beach users’ opinion and attitude towards marine pollution issues. Debris from a total area of 60 m along each beach were collected, separated, counted, and …

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Detection Of Selected Resistance Genes, Integrons, Salmonella Genomic Island And Plasmids In Multidrug Resistant Salmonella / Lee Kong Hoe Lee, Kong Hoe., Kong Hoe Lee Jan 2012

Detection Of Selected Resistance Genes, Integrons, Salmonella Genomic Island And Plasmids In Multidrug Resistant Salmonella / Lee Kong Hoe Lee, Kong Hoe., Kong Hoe Lee

Student Works (2010-2019)

The study was to detect and characterize the selected antimicrobial resistance genes, class 1 integron, Salmonella Genomic Island 1 (SGI1) and plasmid profile of 41 selected multidrug resistant (MDR) Salmonella strains of human origin. Salmonella strains harbored blaCTX-M (33.3%) followed by blaTEM (25.0%), blaPSE-1 (13.9%), blaCMY-2 (8.3%) and blaSHV (2.8%) genes. Quinolone or fluoroquinolone-resistant strains harbored qnrB (75.0%) and qnrS (29.2%) genes. Concurrent presence of β-lactamase genes and qnr genes were detected in 9 strains, including S. Lagos (n=1), S. Enteritidis (n=2), S. Farsta (n=2) and S. Typhimurium (n=4). Class 1 integron was detected in 9 strains (S. Albany (n=2), …

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Bioethanol Production From Date Fruit Waste And Its Usage In Petrol Engine / Mazen Abdullatif Alzain, Mazen Abdullatif Alzain Jan 2012

Bioethanol Production From Date Fruit Waste And Its Usage In Petrol Engine / Mazen Abdullatif Alzain, Mazen Abdullatif Alzain

Student Works (2010-2019)

Biofuel is biodegradable, nontoxic and suitable substitute for fossil fuels, and capable to reduce greenhouse gas like CO2, CO, HC and NOX emissions. The study investigated the use of waste date from date palm tree (Phoenix dactylifera) as a source of bio-ethanol production that could be used as a fuel. The bioethanol was produced by fermentation process using the waste dates as a substrates for yeast and enzymes such as cellulase and amylase. The effects of different fermentation parameters such as yeast concentration, pH, temperatures, fermentation periods, water content and substrate components on bioethanol production were investigated. From the results, …

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