Browsing by Author "Uda, Hashim, Prof. Dr."

Now showing items 1-20 of 220

    • An ab initio study of the electronic structure and optical properties of CdS1-xTex alloys 

      Yarub, Al - Douri; Ali Hussain, Reshak, Prof. Dr.; H., Baaziz; Z., Charifi; R., Khenata; S., Ahmad; Uda, Hashim, Prof. Dr. (Elsevier Ltd., 2010-12)
      The structural, electronic and optical properties of cubic CdS1-xTex alloys, with Te-concentrations varying from 0% up to 100% are investigated. The calculations are based on the total-energy calculations using the full ...

    • Advances in biosensors: Principle, architecture and applications 

      Veeradasan, Perumal; Uda, Hashim, Prof. Dr. (Elsevier, 2014-01)
      The ability to detect pathogenic and physiologically relevant molecules in the body with high sensitivity and specificity offers a powerful opportunity in the early diagnosis and treatment of diseases. Early detection and ...

    • Affordable and Effective Microelectronic Engineering Teaching Package for Undergraduate Programme 

      Uda, Hashim, Prof. Dr.; Zul Azhar, Zahid Jamal, Prof. Dr.; Nur Hamidah, Abdul Halim; Mohammad Nuzaihan, Md Nor (International Exhibition of Inventions, 2006-04-05)
      The package, which is fully designed developed, using KUKUM in house expertise, is the first teaching laboratory that is purposely built for undergraduate microelectronic program in Malaysia.

    • The alignment of single SWNTs between electrode using dielectrophoresis 

      Low, Foo Wah; Nur Hamidah, Abdul Halim; Uda, Hashim, Prof. Dr.; Mohammad Nuzaihan, Md Nor (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      This paper presents the development and fabrication of electrical devices based on alignment of carbon nanotubes (CNTs) in single bundle of single-walled carbon nanotubes (sb-SWNTs) using dielectrophoresis (DEP). The Silicon ...

    • Alternative-current electrochemical etching of uniform porous silicon for photodetector applications 

      Husnen R., Abd; Yarub, Al-Douri, Assoc. Prof. Dr.; Naser Mahmoud, Ahmed, Dr.; Uda, Hashim, Prof. Dr. (Electrochemical Science Group, 2013)
      The twining of alternative-current (AC) with electrochemical etching (ECE) to fabricate porous silicon (PS) is studied. The porosity percentage is obtained by gravimetric analysis. The effect of different current densities; ...

    • Analysis of capillary filling in micro channels for passive fluid dynamics in Nano lab on chip domain 

      Tijjani Adam, Shuwa; Uda, Hashim, Prof. Dr.; Thikra S., Dhahi; M. Wesam, Al-Mufti; Khaled Emraje, Mohamed Elderjy (Trans Tech Publications, 2014)
      A fluid dynamics in a micro channel for analytical chemistry and different aspects of this type of flow for specific application has remained a long-acting problem in the last two decades considering its numerus applications ...

    • Analysis of optimum dispatching policies for semiconductor fabrication 

      Mohd Azizi, Chik; Uda, Hashim, Prof. Dr. (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)
      This paper focuses on the comparison of the lot dispatching policies to reveal results for optimum product cycle time. The model is based on the 200mm-wafer size, 12K product Work In Progress (WIP), 10 product mixes in the ...

    • Analysis of pork adulteration in commercial burgers targeting porcine-specific mitochondrial cytochrome B gene by TaqMan probe real-time polymerase chain reaction 

      Md. Eaqub, Ali; Uda, Hashim, Prof. Dr.; Thikra, S. Dhahi; Mustafa, Shuhaimi, Assoc. Prof. Madya Dr.; Yaakob, Che Man, Prof. Dato' Dr.; Md Abdul Latif, Dr. (Springer-Verlag, 2012-08)
      A TaqMan probe real-time polymerase chain reaction assay was developed for the determination of pork adulteration in commercial burgers. The assay combined porcine-specific primers and TaqMan probe for the selective ...

    • Application of e-beam lithography for nanowire development 

      S. Fatimah, Abd Rahman; Uda, Hashim, Prof. Dr.; Mohammad Nuzaihan, Md Nor (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)
      Miniaturization and performance improvements are driving the electronics industry to shrink the feature size of semiconductor device. Because of its diffraction limit, conventional photolithography is becoming increasingly ...

    • Application of gold nanoparticles for electrochemical DNA biosensor 

      Ahmed Mishaal, Mohammed; Ruslinda, Abdul Rahim, Dr.; Ibraheem Jaleel, Ibraheem; Foo, Kai Loong; Hasrul Hisham, Che Ahmad; Uda, Hashim, Prof. Dr.; Yarub, Al-Douri, Assoc. Prof. Dr. (Hindawi Publishing Corporation, 2014)
      An electrochemical DNA biosensor was successfully fabricated by using (3-aminopropyl)triethoxysilane (APTES) as a linker molecule combined with the gold nanoparticles (GNPs) on thermally oxidized SiOthin films. The SiOthin ...

    • Area-selective ZnO thin film deposition on variable microgap electrodes and their impact on UV sensing 

      Qazi Muhammad, Humayun; Muhammad Kashif, Muhammad Faroow; Uda, Hashim, Prof. Dr. (Hindawi Publishing Corporation, 2013)
      ZnO thin films were deposited on patterned gold electrodes using the sol-gel spin coating technique. Conventional photolithography process was used to obtain the variable microgaps of 30 and 43 μm in butterfly topology by ...

    • Asymmetrical Double Gate: significant improvement in ultra-scaled sol mosfet 

      Mohd Khairuddin, Md Arshad, Dr.; Uda, Hashim, Prof. Dr.; Noraini, Othman (Universiti Malaysia Perlis (UniMAP)Institute of Nano Engineering Electronic, 2014-05)
      Fully-depletion operation is mandatory requirement for ultra-scaled devices (Le. < 45 nm technology) which only can be achieved either multi-gate (Le. FinFET) or thin body Silicon-on-Insulator (SOl). Thin body SOl offers ...

    • Bidirectional flow micropump based on dynamic rectification 

      Pei, Song Chee; Ruzairi, Abdul Rahim, Prof. Dr. ; Rashidah @ Siti Saedah, Arsat, Dr.; Uda, Hashim, Prof. Dr.; Loew,  Pei Ling, Dr. (Elsevier B.V., 2013)
      This paper proposes a new bidirectional pumping principle based on a dynamic rectification mechanism. The pump is composed of a moveable actuation platform and a gourd-shaped chamber, whose role is to behave as both a ...

    • A brief review of the current technologies used for the fabrication of metal-molecule-metal junction electrodes 

      Qazi Muhammad, Humayun; Uda, Hashim, Prof. Dr. (Scientific.Net, 2012-12)
      Fabrication techniques for Metal-molecule-metal junction electrodes suitable to study electron tunneling through metal junctions are reviewed. The applications of current technologies such as mechanical break junction, ...

    • Brief review on ZnO Synthesis methods, thin film & nanowire gas sensors 

      M., Kashif; Uda, Hashim, Prof. Dr. (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)
      ZnO nanowires are ideal building blocks for a wide range of nanoscale electronics, optoelectronics, and chemical sensing devices. The material properties change when the material is in nanowire form as compare to thin film ...

    • Canine-specific PCR assay targeting cytochrome b gene for the detection of dog meat adulteration in commercial frankfurters 

      Md. Eaqub, Ali; Md. Mahfujur, Rahman; Sharifah Bee, Abd Hamid; Shuhaimi, Mustafa; Bhassu, Subha; Uda, Hashim, Prof. Dr. (Springer, 2014-01)
      This report described a cytochrome b (cytb)-based polymerase chain reaction (PCR) assay for the detection of canine tissues in commercial frankfurters. Discriminating detection of canine derivatives in processed food ...

    • CdS film thickness characterization by R.F. magnetron sputtering 

      Uda, Hashim, Prof. Dr.; Kasim, Abdul Rahman; Hakim; Mohd Azri, Othman (American Institute of Physics, 2009-06-01)
      In this work, cadmium sulphide (CdS) target with 99.999% purity was used as a target in RF magnetron sputtering. The sputtering experiment was conducted onto silicon oxide substrates at different temperatures ranging from ...

    • Chalcogenide nanostructures: Topography, synthesis, properties, and applications 

      Yarub, Al-Douri; Uda, Hashim, Prof. Dr. (AIP Publishing LLC, 2014)
      High-quality Cadmium sulfide (CdS) nanostructures for high-efficiency optoelectronic devices were prepared at different annealing temperatures using a sol-gel spin-coating method. Atomic force microscopy and X-ray diffraction ...

    • Characterisation, analysis and optical properties of nanostructure ZnO using the sol-gel method 

      Muhammad, Kashif; Yarub, Al-Douri, Assoc. Prof. Dr.; Uda, Hashim, Prof. Dr.; Md. Eaqub, Ali; Syed Muhammad Usman, Ali; Willander, Magnus, Prof (Institution of Engineering and Technology (IET), 2012-02)
      Nanostructure ZnO was grown on thin aluminium layer, deposited on silicon substrate using the sol-gel method. The surface morphologies of nanostructure ZnO at different precursor concentrations were studied using scanning ...

    • Characterization and analysis of diatomite for industrial applications 

      A. W. Fagri; Yarub, Al - Douri, Prof. Madya Dr.; Uda, Hashim, Prof. Dr. (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      As nanotechnology and nanomarterials are gaining wide acceptances, diatomite is one of the attractive materials that can be engineered to form different nanostructures for numerous applications. Thus, careful examination ...