Uda Hashim, Prof. Ts. Dr.: Recent submissions

Now showing items 41-60 of 249

    • Sol-gel synthesis of Pd doped ZnO nanorods for room temperature hydrogen sensing applications 

      Muhammad Kashif, Muhammad Faroow; Md. Eaqub, Ali, Dr.; Syed Muhammad Usman, Ali Shah, Dr.; Uda, Hashim, Prof. Dr. (Elsevier Ltd and Techna Group S.r.l., 2013-08)
      A sol-gel spin coating technique was described for the synthesis of Pd doped ZnO nanorods for hydrogen sensing applications. The nanorods were hexagonal in shape, 50-100 nm in diameter and uniform in distribution. They ...

    • Sol-gel synthesis of ZnO nanorods for ultrasensitive detection of acetone 

      Muhammad Kashif, Muhammad Faroow; Md. Eaqub, Ali, Dr.; Syed Muhammad Usman, Ali Shah, Dr.; Foo, Kai Loong; Uda, Hashim, Prof. Dr.; Willander, Magnus (American Scientific Publishers, 2013-12)
      ZnO nanorods were synthesized on low cost thermally oxidized silicon substrate using a simple and easily performable sol-gel spin coating technique followed by hydrothermal growth. C-axis orientation, good crystalline ...

    • Hexagon platinum Schottky contact with ZnO thin film for hydrogen sensing 

      Mas Elyza, Mohd Azol; Nafarizal, Nayan, Prof. Madya Dr.; Uda, Hashim, Prof. Dr.; Muhammad Kashif, Muhammad Faroow; Mahnaz, Shafiei; Loew,  Pei Ling; Rashidah @ Siti Saedah, Arsat, Dr. (Penerbit UTM Press, 2013)
      This paper reports on the study of the effect on adding total peripheries and sharp edges to the Schottky contact as a hydrogen sensor. Schottky contact was successfully designed and fabricated as hexagon-shape. The contact ...

    • Review on Malaysian and Thailand's perspective towards renewable energy 

      Gomesh Nair, Shasidharan; Muhammad Irwanto, Misrun; Mohd Irwan, Yusoff; Muhammad Fitra; Uda, Hashim, Prof. Dr.; Norman, Mariun (Trans Tech Publications, 2014)
      This paper presents a review on Malaysia and Thailand’s view on renewable energy mainly in the area of solar energy. It is based on a survey conducted on random subjects in Malaysia raging from different discipline such ...

    • Fabrication of nanostructure based biosensor for biomolecules detection 

      Shahrul Aizzam, Ariffin; Tijjani Adam, Shuwa; Uda, Hashim, Prof. Dr.; Faridah, Salam; Zamri, Ishak; Muhammad Nur Aiman, Uda (Trans Tech Publications, 2014)
      Lately, nanostructure based biosensor application has drawn a lot attention among fellow researchers because of speciality to detecting cell, tissue and even disease caused by viruses either from humans, animals or ...

    • Surface modification of titanium dioxide thin film for ss-DNA detection 

      Sharipah Nadzirah; Uda, Hashim, Prof. Dr. (Trans Tech Publications, 2014)
      This paper studies the Capacitance-Frequency of titanium dioxide (TiO₂) thin film-based interdigitated electrodes (IDEs) for ss-DNA immobilization. TiO₂ thin film was deposited on P-type silicon dioxide (SiO₂) (1 0 0) ...

    • Mask design and simulation: Computer aided design for lab-on-chip application 

      Veeradasan, Perumal; Uda, Hashim, Prof. Dr.; Tijjani Adam, Shuwa (Trans Tech Publications, 2014)
      A simple design and simulation of microwire, contact pad and microfluidic channel on computer aided design (CAD) for chrome mask fabrication are described.The integration of microfluidic and nanotechnology for miniaturized ...

    • A study on the effect of calcination temperature on the graphitization of carbon nanotubes synthesized by the decomposition of methane 

      Liu, Wei Wen, Dr.; Tijjani Adam, Shuwa; Azizan, Aziz, Assoc. Prof. Dr.; Chai, Siang Piao; Abdul Rahman, Mohamed, Prof. Dr.; Uda, Hashim, Prof. Dr. (Trans Tech Publications, 2014)
      The effect of calcination temperature for Fe2O3/MgO catalysts on the formation of carbon nanotubes (CNTs) was examined. CNTs were synthesized over Fe2O3/MgO catalysts calcined at different temperatures by catalytic ...

    • Effect of anodizing voltage on the morphology and growth kinetics of porous anodic alumina on Al-0.5 wt% Mn alloys 

      Voon, Chun Hong; Mohd Nazree, Derman, Dr.; Uda, Hashim, Prof. Dr.; Foo, Kai Loong; Tijjani Adam, Shuwa (Trans Tech Publications, 2014)
      In this study, the effect of anodizing voltage on the morphology of porous anodic alumina and growth kinetics of anodizing of aluminium manganese alloy was reported. It was found that the increasing anodizing voltage affect ...

    • Electron and ion densities measurement in reactive magnetron zinc sputtering plasma 

      Nafarizal, Nayan; Mohd Zainizan, Sahdan; Riyaz Ahmad, Mohamad Ali; Sharifah Amira; Salwa, Omar; Mohamad Hafiz, Mamat; Uda, Hashim, Prof. Dr.; Mohamad Rusop, Mahmood (Trans Tech Publications, 2014)
      Investigation on the plasma properties is an essential fundamental works in order to precisely control the growth of nanoscale thin film. In the present work, we produced and study the reactive magnetron sputtering plasma ...

    • Conventional photolithography and process optimization of pattern- size expansion technique for nanogap biosensor fabrication 

      Balakrishnan, Sharma Rao; Muhammad Nurfaiz, Asri; Uda, Hashim, Prof. Dr.; Tijjani Adam, Shuwa (Trans Tech Publications, 2014)
      For a submicron photolithography process, there is little room for error. In this paper, an optimized technique for photoresist (PR) development is reported, to fabricate a nanogap biosensor for application in biomedical ...

    • 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 ...

    • 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 ...

    • Fabrication of silicon nanowires by electron beam lithography and thermal oxidation size reduction method 

      Mohammad Nuzaihan, Md Nor; Uda, Hashim, Prof. Dr.; Nazwa, Taib; Tijjani Adam, Shuwa (Trans Tech Publications, 2014)
      A simple method for the fabrication of silicon nanowires using Electron Beam Lithography (EBL) combined with thermal oxidation size reduction method is presented. EBL is used to define the initial silicon nanowires of ...

    • 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 ...

    • 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 ...

    • Formation of carbon nanotubes from methane decomposition: Effect of concentration of Fe₃O₄ on the diameters distributions 

      Wei Wen, Liu; Tijjani Adam, Shuwa; Azizan, Aziz, Assoc. Prof. Dr.; Abdul Rahman, Mohamed, Prof. Dr.; Uda, Hashim, Prof. Dr.; Chai, Siang Piao (Trans Tech Publications, 2014)
      Fe₃O₄ was used to synthesize narrow diameter of carbon nanotubes (CNTs). The effect of concentration of Fe₃O₄ on the diameters of carbon nanotubes (CNTs) synthesized by methane decomposition at 1000°C was investigated. We ...

    • The state of the arts: Simulation of nanostructures using COMSOL multiphysics 

      Uda, Hashim, Prof. Dr.; Tijjani Adam, Shuwa; Mohamen Wesam, Al-Mufti (Trans Tech Publications, 2014)
      Currently, Computer simulation has become an essential part of nanotechnology and engineering and science. Digital analysis of components, in particular, is important when developing new products or optimizing designs. ...

    • Reviewed immunosensor format using nanomaterial for tungro virus detection 

      Muhammad Nur Aiman, Uda; Tijjani Adam, Shuwa; Faridah, Salam; Hasfalina, Che Man; Zamri, Ishak; Uda, Hashim, Prof. Dr.; Shahrul Aizzam, Ariffin (Trans Tech Publications, 2014)
      Recently, nanomaterial based biosensor application has drawn a lot attention among researchers because of specialty to enhance the sensor signal for increasing the sensitivity for detecting and identification of pathogen, ...

    • Mask design and fabrication of Micro/Nanowire biochip for reliable and repeatability pattern transfer 

      Veeradasan, Perumal; Uda, Hashim, Prof. Dr.; Tijjani Adam, Shuwa (Trans Tech Publications, 2014)
      In Micro/Nanowire fabrication, the alignment and exposure process are the most critical steps in photolithography process, and indeed for the whole biochip processing. This process determines the success of transferring ...