Nor Faeqah Idrus

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Chitosan, which is soluble in acidic aqueous media, is used in many applications (food, cosmetics, biomedical, pharmaceutical and wastewater treatment). Chitosan appear in white powder form that derived from shells of crustaceans such as crab and shrimp. The rationale of chitosan use because it is biodegradable, non-toxic and low cost. The proposed method(More)
Perovskite alumina boehmite sol was prepared by sol gel method. Commercial La<sub>0.6</sub>Sr<sub>0.4</sub>Co<sub>0.2</sub>Fe<sub>0.8</sub>O<sub>3-&#x03B4;</sub> (LSCF) type of perovskite powder was doped in aluminum secondary butoxide precursor. The effect of binder addition, concentration of perovskite and acidity of peptization agent were carried out.(More)
The conversion of fly ash into zeolites has become an important waste management issue in recent years. Zeolites may be easily obtained from fly ash by the relatively cheap and fast hydrothermal conversion process. Raw fly ash is pretreated with hydrochloric acid at the determined optimum pre-treatment temperature, time and ratio of 80&#x00B0;C, 1 hour and(More)
Silver and copper nanoparticles are well-known as the good antimicrobial agent. The nano-size of particles influences in enhancing the antimicrobial activity. This paper discusses the effect of molarity on the microstructure and morphology of silver-copper core-shell nanoparticles prepared by a polyol method. In this study, silver-copper nanoparticles are(More)
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