Journal Articles: Recent submissions
Now showing items 241-260 of 2678
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Optimization of micromilling parameters using Taguchi Method for the fabrication of PMMA based microchannels
(Universiti Malaysia Perlis (UniMAP), 2020-12)A method is proposed for rapid prototyping of Poly (methyl methacrylate) (PMMA) microfluidic devices utilizing a micromilling machine. The present study is to investigates the influence of micromilling machining parameters ... -
Investigation of structural, morphological and optical properties of sulfur doped zinc oxide nanorod
(Universiti Malaysia Perlis (UniMAP), 2020-12)In this study, seed-mediated hydrothermal methods has been used to fabricate sulfur-doped zinc oxide (S-ZnO) thin films with various atomic concentration of sulfur (S) (0 at.%, 1 at.%, 2.5 at.%, 5 at.% and 10 at.%). The ... -
Generation of multiple resonance wavelengths from one dimensional photonic crystal wire for nanoscopic wavelength division multiplexing system
(Universiti Malaysia Perlis (UniMAP), 2020-12)Wavelength division multiplexing (WDM) is a core technology for high-bandwidth data transport system. As one of the major components in WDM system, a smaller footprint of multiplexer with two or more wavelengths is needed ... -
First-principles study on the doping effects of La on the structural, electronic and optical properties of MgO
(Universiti Malaysia Perlis (UniMAP), 2020-12)The structural, electronic and optical properties of pure MgO and La-doped MgO were investigated by first-principles study based on density functional theory (DFT). The good agreement of the calculated lattice parameters ... -
First-principles study on electronic properties, phase stability and strain properties of cubic (Pm3m) and tetragonal (P4mm) ATiO3 (A=Pb, Sn)
(Universiti Malaysia Perlis (UniMAP), 2020-12)The electronic, phase stability and epitaxial strain properties of cubic and tetragonal structure of PbTiO3 and SnTiO3 were investigated using density functional theory (DFT) with space group (Pm3m) for cubic and (P4mm) ... -
First-principles study of CH4 and NH3 adsorption on graphene oxide epoxy and graphene oxide hydroxyl
(Universiti Malaysia Perlis (UniMAP), 2020-12)Chemical functionalities of graphene oxide play an important part in anchoring gas molecules and perhaps selective mechanism in gas sensor. The adsorption behavior of methane (CH4) and ammonia (NH3) gas molecules on graphene ... -
First-principles calculations on structural, electronic and optical oroperties of Ce-, Nd- and Er-doped TiO2
(Universiti Malaysia Perlis (UniMAP), 2020-12)In this work, the first-principles calculations on the structural, electronic and optical properties of lanthanides (Ln)-doped anatase TiO2 using Ln elements from cerium (Ce), neodymium (Nd) and erbium (Er) were performed ... -
Fabrication of 2D membrane castellated and straight electrode for dielectrophoresis
(Universiti Malaysia Perlis (UniMAP), 2020-12)This paper is presenting two fabrication process of electrodes for the used in artificial kidney. The electrodes were made to compare which will represent the best results. Both electrodes undergoes same fabrications process ... -
Effect of water molecules toward the structural and electronic properties of Prussian Blue cathode material for potassium battery: A first principles investigation
(Universiti Malaysia Perlis (UniMAP), 2020-12)Fe(CN)6 vacancies will usually form in the process of Prussian Blue synthetization due to rapid precipitation then will be occupied by water (H2O) molecules. Through first principles calculation, this situation is simulated ... -
Dye-Sensitized Solar Cell utilizing NiPd-rGO counter electrode: Comparative study of deposition technique and effect of NiCl2 concentration on its performance
(Universiti Malaysia Perlis (UniMAP), 2020-12)This paper reports the performance of dye-sensitized solar cell (DSSC) utilizing NiPd-rGO composite as counter electrode of the device. Various method of preparation of the counter electrode have been employed. It is found ... -
Determination of Dielectrophoretic unique crossover frequency by velocity of Enterobacter Aerogenes trajectory
(Universiti Malaysia Perlis (UniMAP), 2020-12)This study presents the Dielectrophoresis (DEP) technique for the detection of Enterobacter Aerogenes (EA) pathogen by their velocity bacteria trajectory. The DEP particle manipulation was used as non uniform AC electric ... -
Design parameters of fiber-optic bend for sensing applications
(Universiti Malaysia Perlis (UniMAP), 2020-12)The usefulness of losses in fiber optics depends on its application. Losses may be the worst scenario when they rocket up until zero power output. Attenuation in fiber optics can come from its attenuation coefficient, ... -
Design of VD-DDCC for novel dual mode universal filter with grounded passive components
(Universiti Malaysia Perlis (UniMAP), 2020-12)This paper presents a novel dual mode multifunction filter using Voltage Differencing Differential Difference Current Conveyor (VD-DDCC) as active element. The filter provides low pass (LP), high pass (HP), band pass (BP), ... -
Design and fabrication of uniform aluminium pores for planar microfiltration system
(Universiti Malaysia Perlis (UniMAP), 2020-12)This paper presents a design and fabrication of a fluid filtration system for separating biological molecules through uniform pores in silicon-based planar microfiltration system. The study is aimed to find a simple ... -
Design and fabrication flow focusing microfluidic device for continuous dielectrophoretic separation
(Universiti Malaysia Perlis (UniMAP), 2020-12)We present a flow focusing microfluidic device for continuous dielectrophoretic separation. Our method relies on our unique microfluidic geometry which performs hydrodynamic focusing, generates flow with three inlets and ... -
Curcumin adsorption on carbon microparticles: Synthesis from soursop (AnnonaMuricata L.) peel waste, adsorption isotherms and thermodynamic and adsorption mechanism
(Universiti Malaysia Perlis (UniMAP), 2020-12)The aims of this study was to evaluate adsorption isotherm of carbon microparticles prepared from calcination of soursop (Annona Muricata L.) peel waste (at temperature of 250C). Adsorption test was done by mixing the ... -
Characterization of microfluidic hollow fibre for urea separation
(Universiti Malaysia Perlis (UniMAP), 2020-12)A microfluidic device with a hollow fibre membrane is presented in this research paper. The device was fabricated using polydimethylsiloxane (PDMS) and tested by performing measurement using syringe pump and characterization ... -
Benefits of molybdenum substitution in Na3V2(PO4)3 cathode material for sodium ion batteries: A first principles study
(Universiti Malaysia Perlis (UniMAP), 2020-12)The first principles study on the structural and electronic properties of Na3V2(PO4)3 (NVP) was performed using first principles calculation. Results on lattice constant, Mulliken analysis and density of state are discussed ... -
Bandgap shifting and crystalline quality of RF-sputtered intrinsic-ZnO nanofilm for TFSC application
(Universiti Malaysia Perlis (UniMAP), 2020-12)Intrinsic Zinc Oxide (i-ZnO) is a promising material and has been applied in many types of solar cell structures, and particularly in thin film solar cells (TFSC) where it is normally used as the n-type layer or as normally ... -
Analysis of MDA-MB-231 cancer cell Dielectrophoretic response
(Universiti Malaysia Perlis (UniMAP), 2020-12)Dielectrophoresis (DEP) is a phenomenon where a neutral particle can be either attracted to (pDEP) or repelled away from (nDEP) specific regions with highest electric field gradient. In previous work, we demonstrated the ...