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Modelling of wet wood under compression and combined shear and compression load was performed to simulate the mechanical pulping of wood chips in refiners. Experiments have shown that the wet fibre network exhibit two different... more
In this work, polyacrylonitrile (PAN) was electrospun with and without magnetic nanoparticles (aluminum doped iron oxide) and was turned into magnetic nanofibers. The results showed that nanofibers diameter decreased from 700 nm to 300 nm... more
The dehydroisomerization of n-butane to isobutene over Pt/metal/sulphated zirconia catalysts was studied at 550 • C and 1 Atm. Sulfated zirconia catalysts (SZ), promoted with Al, Mn, Cu and Ni, were synthesized by coprecipitation. The... more
A facile and a novel method for synthesis of poly(o-toluidine)-Li nanocomposite, in an aqueous medium, by in-situ method, has been reported. The composite has been synthesized using green route method and explored as a material for energy... more
ABSTRACTCadmium Sulphide (CdS) thin films have been prepared on ultrasonicated glass substrates using a specially designed chemical bath deposition technique via isochronal synthesis. The structural properties have been determined through... more
Ag 3 PO 4 is a good photocatalyst but, ubiquitously known for its photocorrosion problem during photocatalytic reaction. Therefore, stabilization of Ag 3 PO 4 with retaining its fundamental properties has immense importance. With this... more
Nanostructured (metal/semiconductor) Ag@ZnO a photoactive material is synthesized by facile hydrothermal method. The FESEM analysis of as synthesized Ag@ZnO nanostructures showed formation of submicron-sized microspheres, composed of... more
Recent developments in the synthesis of single phase diamon'd films [1]
Hydrogen and oxygen evolution from MgO prepared by thermal decomposition of high purity Mg(OH)2 was studied mass spectroscopically. Hydrogen is evolved in the temperature range 300-600°C (maximum at 450%) and again between 600 and 900°C... more
In this work, we investigated the protein adsorption on the end-tethered thermoresponsive poly(N-isopropylacrylamide) (PNIPAAm) brushes with varying grafted layer thickness prepared via surface-initiated atom transfer radical... more
Multi-walled carbon nanotubes (MWCNTs)were synthesized byone step pyrolysis technique using ferroceneFe(C 5 H 5 ) 2 as a catalyst and xylene (C 8 H 10 ) as carbon source. Novel polyethylenimine/CNTnanocomposites with weight percentages of... more
The synthesis of TiO 2 nanorods with anatase structure has been achieved from the necking of truncated nanoparticles by oriented attachment using titanium ethylenediaminetetraacetic acid (EDTA) chelated complex as a molecular precursor.... more
A study is presented on the convergence of the computation of coupled advectiondiffusion-reaction equations. In the computation, the equations with different coefficients and even types are assigned in two subdomains, and Schwarz... more
A prototype mineral analyser using magnetic resonance has been configured with two sensors for measurement of the copper sulphide mineral chalcopyrite (CuFeS 2 ) in ores and slurries. In the first configuration, a sensor was optimised to... more
To prevent eutrophication of surface water, phosphate needs to be removed from sewage. Iron (Fe) dosing is commonly used to achieve this goal either as the main strategy or in support of biological removal. Vivianite (Fe(II) 3 (PO 4 ) 2... more
A new anionic heteroleptic Ir(III)-dithiolate complex Ir(ppy)2(benzene-1,2-dithiolate) (ppy = 2-phenylpyridine, [IrSS](-)) undergoes very fast air oxidation to form a monosulfinate complex [IrSSO2](-), which can be further dioxygenated by... more
Five isostructural lanthanide-organic coordination frameworks with a unique 3-D 5-connected (4(7).6(3))(4(3).6(5).8(2)) network, namely, [Ln(phen)(L)]n (Ln = Dy for 1, Gd for 2, Ho for 3, Er for 4, and Tb for 5), have been prepared based... more
The conversion of celestite into other strontium compounds, mainly strontium carbonate, is a necessary step for many industrial applications. However, the impurities need to be removed to achieve a suitable celestite grade (N 90% SrSO 4 )... more
Therma~ly stimulated de polarisation current (TSDC) and time-dependent conduction current of unirradiated and y-irradiated pure and CoCl2-doped PYA films have been measured. Doses in the range 21-75 Mrad were used. The TSDC of pure and... more
C3iH 3 6ClMnN 5 0 9 , triclinic, P1 (No. 2), a = 9.5173(9) A, b = 12.059(1) A, c = 15.752(2) A, a = 79.322(9)°, p = 79.550(8)°, y = 79.152(6)°, V= 1724.6 A 3 ,Z = 2, Rgt(F) = 0.072, wRKf(F 2 ) = 0.201, T= 293 K. To a stirred tintless... more
Oxidation of DNA by reactive oxygen species (ROS) yields 8-oxo-7,8-dihydroguanosine (8-oxodG) as primary oxidation product, which can lead to downstream G to T transversion mutations. DNA mutations are nonrandom, and mutations at specific... more
Isothermal vapor-liquid equilibrium (VLE) data were measured for binary mixtures of 2-pentanone + 2-methylpropan-1-ol at (343.15, 358.15, and 363.15) K. A glass dynamic recirculating still suitable for a subatmospheric to atmospheric... more
were measured. The vapor-liquid equilibrium data were measured using a dynamic low pressure glass still. The experimental data were regressed using the γ-Φ approach (combined method) with the Wilson, NRTL, and UNIQUAC activity coefficient... more
Isothermal vapour-liquid equilibrium (VLE) data were measured for alcohol-carboxylic acid systems using a dynamic recirculating apparatus operated isothermally. For super-atmospheric pressures, a stainless steel version of the apparatus... more
Isothermal vapour-liquid equilibrium data (VLE) were measured for propionic acid + caproic acid, isobutyric acid + caproic acid, valeric acid + caproic acid, and caproic acid + enanthoic acid at several temperatures. A refined glass... more
This paper is dedicated to the study of hydrocarbons synthesis from a syngas using a plasma process based on the generation of a electrical discharge at very high pressure. We report experimental results performed using a He/H 2 /CO... more
Arc discharges were generated in syngas at very high pressure. Conversion of syngas into C 1 , C 2 , C 3 hydrocarbons was enhanced by very high pressure plasma. Influences of operating pressure and supplying current on this synthesis... more
Textile mill is the largest industry in Bangladesh facing problem of sludge disposal. In this study, gamma irradiated (15 kGy) textile mill ETP sludge was used to make environmental friendly ecobricks. According to the percentage (%) of... more
Dye sensitized solar cell (DSSC) shows great promise as an alternative to conventional p-n junction solar cells due to their low fabrication cost and reasonably high efficiency. DSSC was assembled by using natural dye extracted from red... more
In this study starch/PVA/ZnO nanocomposite films with antibacterial activity were prepared and modified using gamma irradiation for packaging applications. ZnO nanoparticles (NPs) were synthesized from Zn(OH) 2 using hydrothermal process... more
Phosphated alumina gels were prepared by the sol-gel method. Gels were aged from 1 to 8 days in air. Gel structure evolution, as time went on, was followed by 27 Al magic angle spinning nuclear magnetic resonance, X-ray diffraction, and... more
Novel SO x -reducer (ReSO x ) catalysts containing an Mg-Al-Fe anionic clay as precursor and primary constituent have been scaled-up for commercial application in fluid catalytic cracking (FCC). The catalysts are manufactured, on a large... more
h i g h l i g h t s g r a p h i c a l a b s t r a c t Semiconducting Mg(Zn)Al(Ga)eLDH/ ITO thin films prepared by solegel. LDH thin films show a turbostratic morphology made up of porous flakes. Electrochemical treatments change the flaky... more