Mohd Muzamir Mahat

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Synthetic hydroxyapatite, (HA, Ca<inf>10</inf>(PO<inf>4</inf>)<inf>6</inf>(OH)<inf>2</inf>), is an attractive and widely utilized bio-ceramic material for orthopedic and dental implants because of its close resemblance of native tooth and bone crystal structure. This HA can be used in bio-implants as well as drug delivery application due to the unique(More)
Electrically active constructs can have a beneficial effect on electroresponsive tissues, such as the brain, heart, and nervous system. Conducting polymers (CPs) are being considered as components of these constructs because of their intrinsic electroactive and flexible nature. However, their clinical application has been largely hampered by their short(More)
where the costs were allocated to the different cost-centres. Capital costs were annualised cost of capital item with life expectancy of more than 1 year and recurrent cost were all inputs consumed within a year. Total costs were then allocated to the in-patient and out-patient services based on historical financial data with a ratio of 1: 4. This was then(More)
Ultra-violet (UV) curing process is introduced in the curing of polymer matrix composites (PMC) for the application in producing bullet proof vest. Two types of adhesives or matrix materials were used: epoxy and vinyl ester. Each of them were mixed together with different types of photoinitiator; Bisacyl Phosphine Oxide (BaPO) and Alpha Hydroxyl Ketone(More)
The effect of extract of Azadirachta excelsa leaves as corrosion inhibitor on mild steel in hydrochloric acid medium was investigated using weight loss method. By using data obtained, the corrosion rate (CR), inhibition efficiency (IE) and surface coverage was calculated. Extracts of Azadirachta excelsa leaves in different concentration were used as natural(More)
—Ultra-violet (UV) curing process is introduced in the curing of polymer matrix composites (PMC) for the application in producing bullet proof vest. Two types of adhesives or matrix materials were used: epoxy and vinyl ester. Each of them were mixed together with different types of photoinitiator; Bisacyl Phosphine Oxide (BaPO) and Alpha Hydroxyl Ketone(More)
The deterioration of metal due to microbial activity is termed biocorrosion or microbially influenced corrosion (MIC). Owing to its economic and environmental importance, MIC has been the subject of extensive studies for the past five decades Sulfate-reducing bacteria (SRB) is one of the agent that colonize metal surface and cause localized corrosion. The(More)
Rubber toughened polyester-kenaf composite were prepared by adding various percentage of kenaf fiber in unsaturated polyester resin and subsequently cross linked using methyl ethyl ketone peroxide and accelerator cobalt octanoate 1 %. 3 per hundred rubbers (phr) of liquid natural rubber (LNR) were also added to modify the matrix in producing this composite.(More)
This study investigates the coosion behavior of mild steel immersed in artificial seawater based medium in the presence and absence of bacteria Pseudcmonas aerugnosa. The bacterium was chosen because of its abundance in the seawater and meet metals are inclined to be attacked by this bacterium. Pitting ccrrcsicnen the mild steel coupon as a result of the(More)
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