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

Now showing items 124-143 of 249

    • Micro/nanoscale biosensing in microfluidics: Selection of polymers and microstructures 

      Tijjani Adam, Shuwa; Uda, Hashim, Prof. Dr.; Leow, Pei Ling; Md Eaqub, Ali (AENSI Publications, 2012-01)
      Microfluidic techniques based on nanotechnology for miniaturized lab-on-chip systems have recently received huge research attention because of its undisputable and widespread biomedical applications. For the development ...

    • Microfluidic photomask design using CAD software for application in lab-on-chip biomedical nano diagnostics 

      Balakrishnan, Sharma Rao; Uda, Hashim, Prof. Dr. (Trans Tech Publications, 2013)
      Photomasks are used as stencil to print images on semiconductor material. This study represents design and specifications of photomask for microfluidic fabrication. For a precise pattern transfer, the photomask should meet ...

    • Microfluidics design and fabrication for life sciences application 

      Tijjani Adam, Shuwa; Uda, Hashim, Prof. Dr.; Foo, Kai Loong (American Scientific Publishers, 2013-01)
      This paper introduces a simple design and fabrication for microfluidics that need no external pumping power to delivery fluid into sensing domain with minimum sample available. Analysis using COMSOL 3.5 Multiphysics ...

    • Micropump pattern replication using Printed Circuit Board (PCB) technology 

      Pei, Song Chee; Rashidah @ Siti Saedah, Arsat, Dr.; Uda, Hashim, Prof. Dr.; Ruzairi, Abdul Rahim, Prof. Dr.; Loew, Pei Ling, Dr. (Taylor and Francis Group, LLC., 2013-06-01)
      This article shows a low-cost rapid hot embossing poly (methylmeth acrylate) (PMMA)-based micropump replication with printed circuit board (PCB) mold. PCB material offers advantages of low cost, rigid, and rapid thermal ...

    • Microstructure and polymer choice in microfluidic interfacing for nanoscale biosensing 

      Tijjani Adam, Shuwa; Uda, Hashim, Prof. Dr.; Mohd Faizul, Bari, Dr.; Pei, Ling Leow (Institute of Electrical and Electronics Engineers (IEEE), 2012-02-27)
      Miniaturization of Biosensors based on nanotechnology are rapidly developing with gaining of undisputable ground and are becoming widespread in the biomedical with capability of improving the existing current diagnosis ...

    • Modelling Simulation of Organic and Inorganic Interaction Based on First Principle Calculation 

      Tijjani, Adam; Aeshah M., Mohammed; Mohammed, Mohammed; Omar S., Dahham; Uda, Hashim; Nik Noriman, Zulkepli (IOP Publishing, 2018)
      The student presented theoretically interaction of organic and inorganic based on the electrostatic interaction created by the ssDNA interaction with sensor active surface, the ssDNA strand was immobilised on silicon-based ...

    • Modular architecture of a non-contact pinch actuation micropump 

      Chee, Pei Song; Rashidah, Arsat. Dr.; Tijjani Adam, Shuwa; Uda, Hashim, Prof. Dr.; Ruzairi, Abdul Rahim, Prof. Dr.; Leow, Pei Ling (MDPI, Basel, Switzerland., 2012-09)
      This paper demonstrates a modular architecture of a non-contact actuation micropump setup. Rapid hot embossing prototyping was employed in micropump fabrication by using printed circuit board (PCB) as a mold material in ...

    • Morphological, optical, and Raman characteristics of ZnO nanoflakes prepared via a sol-gel method 

      Mohammad, Kashif; Syed Muhammad, Usman Ali; Mohamed A, Mohd Ali; Abdulgafour, H. I.; Uda, Hashim, Prof. Dr.; Willander, Magnus; Zainuriah, Hassan (WILEY-VCH Verlag GmbH & Co., 2012-01)
      Two-dimensional (2D) ZnO nanoflakes were grown on thin aluminum layer, deposited on silicon substrate, using a sol-gel method. The surface morphologies of ZnO nanoflakes at different precursor concentrations were studied ...

    • Morphological, structural, and gas-sensing characterization of tin-doped indium oxide nanoparticles 

      Ayeshamariam, A.; Muhammad, Kashif; Bououdina, M.; Uda, Hashim, Prof. Dr.; Jayachandran, M.; Md. Eaqub, Ali (Elsevier, 2014-01)
      Tin-doped indium oxide (ITO) nanoparticles with stable cubic phases were synthesized using a sol–gel combustion method that includes gelation and combustion in organic fuel. The influence of SnO₂ on the phase and morphology ...

    • MOS Transistor (Fabricated Using In-House Low Cost Facilities) 

      Uda, Hashim, Prof. Dr.; Zul Azhar, Zahid Jamal, Prof. Dr.; Nur Hamidah, Abdul Halim; Mohammadd Nuzaihan, Mohd Nor; Mohd Sallehudin, Saad; Phang, Keng Chew; Haffiz, Abd Razak; Bahari, Man (Malaysian Invention & Design Society (MINDS), 2006-05-19)
      MOS Transistor is divided into two types: NMOS and PMOS. Majority carrier od NMOS is electrons whereby PMOS is holes. The MOS transistor consists of three regions namely source, drain and gate. Fabrication of MOS transistor ...

    • MOS Transistor Mask Design Using SEM Based E-Beam Lithography 

      Uda, Hashim, Prof. Dr.; Nur Hamidah, Abdul Halim; Mohammad Nuzaihan, Md Nor; Zul Azhar, Zahid Jamal, Prof. Dr. (Malaysian Invention & Design Society (MINDS), 2006-05-19)
      Electron beam lithography (EBL) is one of the alternative tools in transferring micro and nano circuit patterns from design editor to the substrate. EBL is state-of-the-art technology for micro and even to nano feature ...

    • MOSFET Technology for Microelectronic Engineering Undergraduate Programme 

      Zul Azhar, Zahid Jamal, Prof. Dr.; Uda, Hashim, Prof. Dr.; Nur Hamidah, Abdul Halim; Mohammad Nuzaihan, Md Nor (Kementerian Pengajian Tinggi Malaysia (KPTM), 2005-09-30)
      This project focused on the process development of MOSFET fabrication. Microelectronic fabrication equipment and facilities from the micro fabrication cleanroom laboratory in KUKUM were used for the purposes of this project. ...

    • Nano patterning of cone dots and nano constrictions of negative e-beam resist for single electron transistor fabrication 

      Sutikno, Madnasri; Uda, Hashim; Zul Azhar, Zahid Jamal (Springer New York, 2007-12)
      We present an optimization of nano dot of negative tone e-beam resist which is a very important step in single electron transistor fabrication process. The optimum design of dot and nano constriction plays a significant ...

    • Nano-silver microcavity enhanced UV GaN light emitter 

      Naser Mahmoud, Ahmed; Zaliman, Sauli; Uda, Hashim; Zul Azhar, Zahid Jamal (Inderscience Enterprises Limited, 2009)
      We report results of measurements that help to clarify the role of silver in the reflection of UV emission light from GaN. A GaN as an active layer was sandwiched between two silver metal reflectors. GaN layer on sapphire ...

    • Nanobioprobe for the determination of pork adulteration in burger formulations. 

      Md. Eaqub, Ali; Shuhaimi, Mustafa, Assoc. Prof Dr.; Uda, Hashim, Prof. Dr.; Yaakob, Che Man, Prof. Dr; Foo, Kai Loong (Hindawi Publishing Corporation, 2012)
      We report the development of a swine-specific hybrid nanobioprobe through a covalent integration of a fluorophore-labeled 27-nucleotide AluI-fragment of swine cytochrome b gene to a 3nm gold nanoparticle for the determination ...

    • Nanobiosensor for the detection and quantification of pork adulteration in meatball formulation 

      Md. Eaqub, Ali, Dr.; Uda, Hashim, Prof. Dr.; Shuhaimi, Mustafa; Yaakob, Che Man; Tijjani Adam, Shuwa; Qazi Muhammad, Humayun (Taylor & Francis, 2014)
      A 27-nucleotide AluI fragment of swine cytochrome b (cytb) gene was integrated to 3-nm diameter citrate–tannate-coated gold nanoparticles to fabricate a species-specific nanobiosensor. The biosensor was applied to authenticate ...

    • Nanobiosensor for the detection and quantification of specific DNA sequences in degraded biological samples 

      M. E., Ali; Uda, Hashim, Prof. Dr.; Shuhaimi, Mustafa; Yaakob, Che Man, Dato' Dr.; M. H. M., Yusop (Springer-Verlag, 2011-06-20)
      A 27-nucleotide AluI fragment of swine cytochrome b (cytb) gene was integrated to a 3-nm diameter citrate- tannate coated gold nanoparticle to fabricate a species specific nanobiosensor. The biosensor was applied to ...

    • NanoDNA chip for the detection of porcine derivatives in halal products 

      Md. Eaqub, Ali; Uda, Hashim, Prof. Dr.; Md. Fazlul, Bari, Dr. (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)
      Pig (Sus scrofa) mitochondrial genome was analyzed for AluI sites by NEB cutter version 2 and REBASE softwares. Out of 66 AluI fragments, five were selected as probes for the construction of porcine mitochondrial DNA ...

    • Nanoelectrode chrome photomask design and specification for biosensor fabrication 

      Balakrishnan, Sharma Rao; Uda, Hashim, Prof. Dr. (Trans Tech Publications, 2013)
      This paper explains the most crucial part of any microchip fabrication, which is the mask design for photolithography process. The design is initially sketched roughly to meet the design specification and later on designed ...

    • Nanogap Biosensor 

      Arinah, Ab Rahman; Muhamad Emi Azri, Sohini (Universiti Sains Malaysia, 2010-05-26)
      A biosensor is commonly defined as an analytical device that uses a biological recognition system to target molecules or macromolecules. Biosensors can be coupled to a physiochemical transducer that converts this recognition ...