Now showing items 1-20 of 187

    • 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.
    • 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 ...
    • 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 ...
    • 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 ...
    • Chrome mask design for microfluidic fabrication 

      Perumal, Veeradasan; Uda, Hashim, Prof. Dr. (Trans Tech Publications, 2013)
      This paper presents a simple and effective method to design chrome mask for microfludic fabrication. Microfluidic fabrication involves 9 major step and mainly depends on the master mold template formation by SU-8 photoresists ...
    • Comparative reliability studies and analysis of Au, Pd-coated Cu and Pd-doped Cu wire in microelectronics packaging 

      Gan, Chong Leong; Uda, Hashim, Prof. Dr. (Public Library of Science, 2013-11)
      This paper compares and discusses the wearout reliability and analysis of Gold (Au), Palladium (Pd) coated Cu and Pd-doped Cu wires used in fineline Ball Grid Array (BGA) package. Intermetallic compound (IMC) thickness ...
    • Computational micro fluid dynamics using COMSOL multiphysics for sample delivery in sensing domain 

      Uda, Hashim, Prof. Dr.; Tijjani Adam, Shuwa; Diyana, P. N. A.; Ten, Seng Teik (Institute of Electrical and Electronic Engineers (IEEE), 2012)
      Engineering of fluid flow with within various structure for different application is a scientific quest and Microfluidic devices present a powerful platform for working with living cells and other medical application. The ...
    • COMSOL Multiphysics Simulation in biomedical engineering 

      Tijjani Adam, Shuwa; Uda, Hashim, Prof. Dr. (Trans Tech Publications, 2014)
      In the past two decades, COMSOL Multiphysics Software Package have emerged as a powerful tool for simulation, particularly in Nanotechnology and most importantly in biomedical application and various application involving ...