Mokhlesur M. Rahman

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In this work, batch adsorption experiments were carried out to investigate the suitability of prepared acid activated carbons in removing heavy metal ions such as nickel(II), lead(II) and chromium(VI). Acid activated carbons were obtained from oil palm and coconut shells using phosphoric acid under similar activation process while the differences lie either(More)
The purpose of this study was to fabricate insulin-loaded double-walled and single-polymer poly(lactide-co-glycolide) (PLGA) microspheres using a fast degrading glucose core, hydroxyl-terminated poly(lactide-co-glycolide) (Glu-PLGA), and a moderate degrading carboxyl-terminated PLGA polymers. A modified water-in-oil-in-oil-in-water (w/o/o/w) emulsion(More)
The aim of this study was to prepare a model protein, bovine serum albumin (BSA) loaded double-walled microspheres using a fast degrading glucose core, hydroxyl-terminated poly(lactide-co-glycolide) (Glu-PLGA) and a moderate-degrading carboxyl-terminated PLGA polymers to reduce the initial burst release and to eliminate the lag phase from the release(More)
Five heavy metal elements [Pb (II), Cr (VI), Ni (II), Zn (II) and Cu (II)] in the sediment of the two coastal areas had been analyzed of the Mideast and Midwest of Peninsular Malaysia in the year of 2012. This is to assess and monitor contamination of heavy metal at a mangrove area in the state of Negeri Sembilan, Melaka and Pahang. Overall and individual(More)
Quality tuber seed, higher seed price and improved production practices are the major constraints of potato production in Bangladesh. Varying weight of seedling tuber such as 1-5 g, 6-10 g, 11-20 g and 21-30 g were planted at 10-, 15-, 20-, 25and 30-cm row width, respectively to investigate the effects of true potato seed (TPS) seedling tubers weight and(More)
In the prospect of limited energy resources and climate change, effects of alternative biofuels on primary emissions are being extensively studied. Our two recent studies have shown that biodiesel fuel composition has a significant impact on primary particulate matter emissions. It was also shown that particulate matter caused by biodiesels was(More)
In this paper, a comprehensive numerical study is presented for the fully developed two-dimensional flow of viscous incompressible fluid through a curved duct with square cross section. Numerical calculations are carried out over a wide range of the Dean number 6500 100   Dn for the curvature 5 . 0   . A temperature difference is applied across the(More)
Corrosion behavior of mild steel in seawater from different sites was investigated by using weight loss method and potentiodynamic polarization test. Samples were immersed at two different sites near Kuala Terengganu coast and analyzed for its parameters. There is slight difference of corrosion behavior from both sites. Samples immersed in site 1 gave(More)