Browsing Uda Hashim, Prof. Ts. Dr. by Title

Now showing items 148-167 of 249

    • Nanoparticle sensor for label free detection of swine DNA in mixed biological samples 

      M. E., Ali; Uda, Hashim, Prof. Dr.; S., Mustafa; Y. B., Che Man; M. H. M., Yusop; Mohd Fazalul, Bari; Kh. N., Islam; M. F., Hasan (IOP Publishing Ltd., 2011-05-13)
      We used 40 5nm gold nanoparticles (GNPs) as colorimetric sensor to visually detect swine-specific conserved sequence and nucleotide mismatch in PCR-amplified and non-amplified mitochondrial DNA mixtures to authenticate ...

    • Nanoparticle sensor for label free detection of swine DNA in mixed biological samples 

      Ali, M.E; Uda, Hashim, Prof. Dr.; S., Mustafa; Y. B., Che Man; M. H. M., Yusop; Mohd Fazlul, Bari, Dr.; Kh. N., Islam; M. F., Hasan (IOP Publishing Ltd, 2011-05-13)
      We used 40 ± 5 nm gold nanoparticles (GNPs) as colorimetric sensor to visually detect swine-specific conserved sequence and nucleotide mismatch in PCR-amplified and non-amplified mitochondrial DNA mixtures to authenticate ...

    • Nanotechnology development in Malaysia: current status and implementation strategy 

      Uda, Hashim; Elley Nadia; Shahrir, Salleh (Universiti Malaysia Perlis, 2008-12-05)
      Nano-technology development needs all the support it could get to ensure the technology is being leveled up and benefits all mankind. Malaysia has started it own micro-technology and nano-technology development since the ...

    • Nanowire conductance biosensor by spacer patterning lithography technique for DNA hybridization detection: Design and fabrication method 

      Uda, Hashim, Prof. Dr.; Shahrir, Salleh; Emi, Azri Shohini; Siti Fatimah, Abd Rahman (Institute of Electrical and Electronics Engineers (IEEE), 2008-11-04)
      The use of Silicon nanowires has allowed the introduction of many new signal transduction technologies in biosensors. The sensitivity and performance of biosensors is being improved by using doping process for their ...

    • Nanowire formation for single electron transistor using SEM based Electron Beam Lithography (EBL) technique: Positive tone vs negative tone e-beam resist 

      Mohammad Nuzaihan, Md Nor; Uda, Hashim; Nur Hamidah, Abdul Halim; Bajuri, S. N M (Nano Science and Technology Institute, 2006)
      Experimental studies of nanowires formation are carried out by using Scanning Electron Microscope Based Electron Beam Lithography (EBL) Technique with critical dimensions in less than 100nm. In order to complete the design ...

    • Nanowire formation using electron beam lithography 

      Rahman, S. F. A.; Uda, Hashim, Prof. Dr.; Mohammad Nuzaihan, Md Nor; Mohamed Nuri, A. M.; Mohamad Emi Azri, Shohini; Salleh, S. (American Institute of Physics, 2009-06-01)
      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 ...

    • Negative Pattern Scheme (NPS) design for nanowire formation using scanning electron microscope based electron beam lithography technique 

      Mohammad Nuzaihan, Md Nor; Uda, Hashim, Prof. Dr.; Siti Fatimah, Abdul Rahman; Tijjani Adam, Shuwa (Trans Tech Publications, 2014)
      In this work, we report the used of Negative Pattern Scheme (NPS) by Electron Microscope Based Electron Beam Lithography (EBL) Technique in connection with scanning electron microscope (SEM) for creating extremely fine ...

    • A new Microelectronic Engineering degree curriculum in KUKUM 

      Yufridin, Wahab; Ali Yeon, Md Shakaff; Zul Azhar, Zahid Jamal; Zuraidah, Mohd Zain; Reha, Abdul Razak; Uda, Hashim (Association of Engineering Education in South East Asia and the Pacific, 2005-12-08)
      This paper presents the development and implementation of a new curriculum at the Kolej Universiti Kejuruteraan Utara Malaysia (KUKUM). The curriculum is specifically developed for the Bachelor of Engineering Degree program ...

    • Novel in-house fabrication of nano lab-on-chip devices 

      Tijjani Adam, Shuwa; Uda, Hashim, Prof. Dr.; Dhahi, Th Sabar; Leow, Pei Ling; Chee, Pei Song (Bentham Science Publishers, 2013)
      20nm SiNWs transducers have been fabricated by means of simple in-house fabrication method. A low cost, simple top-down approach has been successfully used for the fabrication of very sensitive SiNWs. The fabrication was ...

    • A novel method for the synthesis of calcium carbonate (aragonite) nanoparticles from cockle shells 

      Kh Nurul, Islam; Md Zuki, Abu Bakar, Prof. Dr.; Md. Eaqub, Ali, Dr.; Mohd Zobir, Hussein, Prof. Dr.; Noordin, Mohamed Mustapha, Prof. Dr.; Loqman, Mohamad Yusof, Dr.; Hanif, Wahid; Uda, Hashim, Prof. Dr.; Miah, Gous (Elsevier B.V., 2013-02)
      We report a simple, novel and low-cost method for the synthesis of aragonite nanoparticles from cockle shells. Aragonite is one of the least abundant biogenic polymorphs of calcium carbonate and is widely used as a biomaterial ...

    • Numerical simulation of Microfluidic devices 

      Uda, Hashim, Prof. Dr.; P.N A. Diyana; Tijjani Adam, Shuwa (Institute of Electrical and Electronics Engineers (IEEE), 2012-09-19)
      Microfluidic devices present a unique powerful platform for working with living cells. The length and volume scales of these devices in miniaturize system make it possible to perform detailed analyses with several advantages. ...

    • Optoelectronic properties of GaAs and AlAs under temperature effect 

      Yarub, Al-Douri, Assoc. Prof. Dr.; Ali Hussain, Reshak, Prof. Dr.; Uda, Hashim, Prof. Dr. (Elsevier GmbH, 2013-08)
      An application study of optoelectronic properties as a function of the temperature for GaAs and AlAs according to our model has been presented using empirical pseudopotential method (EPM). The structural phase transition ...

    • Organic thin film transistor memories with carbon nanodots fabricated by focused ion beam chemical vapor deposition 

      Ruslinda, Abd. Rahim; Uda, Hashim, Prof. Dr.; Fukuda, Hisashi; Tada, Yoshihiro; Wainai, Noriyuki; Uesugi, Katsuhiro; Shimoyama, Yuhei (American Institute of Physics, 2009-06-01)
      Metal-insulator-semiconductor field effect transistor (MISFET) structures with a nanocrystal carbon (nc-C) embedded in SiO2 thin films using a focused ion beam chemical vapor deposition (FIBCVD) system with a precursor of ...

    • Pattern designed for combination of optical lithography and electron beam lithography 

      S. Fatimah, Abd Rahman; Uda, Hashim, Prof. Dr.; Mohammad Nuzaihan, Md Nor; A. M., Mohamed Nuri; Muhamad Emi Azri, Shohini (Universiti Malaysia Pahang, 2009-06-20)
      In this paper the fabricated pattern of nanometer and micrometer structures created with electron beam lithography (EBL) and optical lithography on silicon on insulator (SOI) material is presented. The resist used to ...

    • Performance of hexagon Au electrode on ZnO thin film schottky diode gas sensor 

      Mas Elyza, Mohd Azol; Mahnaz, Shafiei, Dr.; Loew,  Pei Ling, Dr.; Foo, Kai Loong; Uda, Hashim, Prof. Dr.; Rashidah @ Siti Saedah, Arsat, Dr. (International Frequency Sensor Association (IFSA), 2013)
      This paper presents an analysis of Schottky diode performance with the utilization of zinc oxide (ZnO) thin film as a gas sensor. The presented device is implemented with new type of electrode shape which is hexagon compared ...

    • Photodynamic damage in liver carcinoma HepG2 cells 

      Muhammad, Fakhar-e-Alam, Dr.; Syed Muhammad, Usman Ali; S., Ali; S., Firdous; Muhammad, Atif, Dr.; Zafar Hussain, Ibupoto; Willander, M., Prof.; Mohammad, Kashif; Uda, Hashim, Prof. Dr. (Institute of Electrical and Electronics Engineers (IEEE), 2012-02-27)
      Cirrhosis is the consequence of chronic liver disease, which is common in people of Asian countries. In this experimental approach, HepG2 cells are treated as experimental model (appropriate biological sample), extracted ...

    • Plant diseases detection using nanowire as biosensor transducer 

      Shahrul Aizzam, Ariffin; Tijjani Adam, Shuwa; Uda, Hashim, Prof. Dr.; Faridah, Salam; Zamri, Ishak; Muhammad Nur Aiman, Uda (Trans Tech Publications, 2014)
      The plant disease such as Cucumber Mosaic Virus (CMV) and Papaya Ring Spot Virus (PRSV) is a most dangerous disease that can decrease productivity and quality of the vegetable and fruit. Besides that, its also can destroy ...

    • PMMA characterization and optimization for Nano Structure formation 

      S Niza, Mohammad Bajuri; Nur Hamidah, Abdul Halim; Mohammad Nuzaihan, Md Nor; Uda, Hashim (Kolej Universiti Kejuruteraan Utara Malaysia, 2005-05-18)
      The limitations imposed on optical lithography by the wavelength of light have been overcome using electron lithography. Electron lithography offers high resolution because of the small wavelength of the 10-50 keV electrons ...

    • Polysilicon nanogap fabrication using a thermal oxidation process 

      Dhahi, T.S; Uda, Hashim, Prof. Dr.; Md. Eaqub, Ali; Nazwa, Taib (Emerald Group Publishing Limited., 2012)
      Purpose - Nanogap electrodes have important applications in power saving devices, electrochemical sensors and dielectric detections of biomolecules. The purpose of this paper is to report on the fabrication and characterization ...

    • Polysilicon nanowire fabrication as a transducer for fast reaction assays in nano lab-on-chip domain 

      Tijjani Adam, Shuwa; Uda, Hashim, Prof. Dr.; Dhahi, Th Sabar; Foo, Kai Loong; Leow, Pei Ling; Chee, Pei Song (American Scientific Publishers, 2013-02)
      The difficulty with the treatment of cancer is caused by lack of ability to detect the tumor associated with the disease at the early stage. Often, cancer is detected in its later stages, when it has compromised the function ...