Browsing Researchers by Author "uda@unimap.edu.my"

Now showing items 41-60 of 140

    • Fabrication and characterization of ZnO thin films by sol-gel spin coating method for the determination of phosphate buffer saline concentration 

      Foo, Kai Loong; Muhammad Kashif, Muhammad Faroow; Uda, Hashim, Prof. Dr.; Md Eaqub, Ali, Dr. (Bentham Science Publishers., 2013)
      The fabrication, characterization and application of nanostructured zinc oxide (ZnO) thin films on interdigitated silver electrodes were described for the determination of phosphate buffer saline (PBS) concentration. The ...

    • Fabrication of Amorphous silicon Microgap Structure for Energy Saving Devices 

      Thikra, S. Dhahi; Uda, Hashim; Md. Eaqub, Ali; Nazwa, Taib (Universiti Kebangsaan Malaysia, 2011-11-18)
      We report here the fabrication of microgaps electrodes on amorphous silicon using low cost techniques such as vacuum deposition and conventional lithography. Amorphous silicon is a low cost material and has desirable ...

    • Fabrication of amorphous silicon microgap structure for energy saving devices 

      Dhahi, T.H.S.; Uda, Hashim, Prof. Dr.; Md. Eaqub, Ali; Nazwa, T. (Sains Malaysiana., 2012-06)
      We report here the fabrication of microgaps electrodes on amorphous silicon using low cost techniques such as vacuum deposition and conventional lithography. Amorphous silicon is a low cost material and has desirable ...

    • 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 ...

    • Fabrication of nanowire using ash trimming technique 

      Tijjani Adam, Shuwa; Uda, Hashim, Prof. Dr.; Leow, Pei Ling; Qazi Muhammad, Humayun (Trans Tech Publications, 2013)
      The paper present a report on fabrication of Nanowire using plasma oxidation, we monitor changes by studying the morphology and Δw/Δh, the study also revealed that the proposed fabrication method could potentially be used ...

    • Fabrication of polysilicon nanowires using trimming technique 

      Uda, Hashim, Prof. Dr.; Shahrul Aizzam, Ariffin; Tijjani Adam (AENSI Publications, 2012-04)
      Recently most researches are more to scaling down the electronic devices and this fact including component, structure and complexity of electronic devices. These matters also include fabrication of nanowires in certain ...

    • Fabrication of polysilicon nanowires using trimming technique 

      Uda, Hashim, Prof. Dr.; Shahrul Aizzam, Ariffin; Tijjani Adam, Shuwa (AENSI Publications, 2012-04)
      Recently most researches are more to scaling down the electronic devices and this fact including component, structure and complexity of electronic devices. These matters also include fabrication of nanowires in certain ...

    • 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 ...

    • Fabrication of silicon nitride ion sensitive field-effect transistor for pH measurement and DNA immobilization/hybridization 

      Uda, Hashim, Prof. Dr.; Soon, Weng Chong; Liu, Wei Wen, Dr. (Hindawi Publishing Corporation, 2013)
      The fabrication of ion sensitive field-effect transistor (ISFET) using silicon nitride (Si3N4) as the sensing membrane for pH measurement and DNA is reported. For the pH measurement, the Ag/AgCl electrode was used as the ...

    • 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 ...

    • From nanostructure to nano biosensor: Institute of Nano Electronic Engineering (INEE), UniMAP experience 

      Uda, Hashim; K L, Foo (Universitas Negeri Semarang, 2011-11)
      Nanostructure is defined as something that has a physical dimension smaller than 100 nanometers, ranging from clusters and/or to dimensional layers of atoms. There are three most important nanostructures that are extensively ...

    • Future of nanotube structured cathodes for solid oxide fuel cell 

      Md. Rakibul, Hasan; Md Fazlul, Bari, Dr.; Uda, Hashim, Prof. Dr.; Sharifah Bee, O.A Abd Hamid, Prof. Dr. (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      The research on fuel cell is in progress with the increasing demand of present day fuel. The performance of solid oxide fuel cell largely depends on cathode materials and microstructures. A lot of effort has been put but ...

    • Gold nanoparticle sensor for the visual detection of pork adulteration in meatball formulation 

      Md Eaqub, Ali; Uda, Hashim, Prof. Dr.; Shuhaimi, Mustafa, Assoc. Prof. Dr.; Yaakob, Che Man, Prof. Datuk Dr.; Kh. N. Islam (Hindawi Publishing Corporation, 2012)
      We visually identify pork adulteration in beef and chicken meatball preparations using 20 nm gold nanoparticles (GNPs) as colorimetric sensors. Meatball is a popular food in certain Asian and European countries. Verification ...

    • 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 ...

    • Highly selective molecular imprinted polymer (MIP) based sensor array using interdigitated electrode (IDE) platform for detection of mango ripeness 

      Huzein Fahmi, Hawari; Nurul Maisyarah, Samsudin; Ali Yeon, Md Shakaff, Prof. Dr.; Yufridin, Wahab, Dr.; Uda, Hashim, Prof. Dr.; Ammar, Zakaria; Supri, Abdul Ghani, Prof. Madya Dr.; Mohd Noor, Ahmad, Prof. Dr. (Elsevier B.V., 2013)
      Detection of mango ripeness was performed by developing a highly selective molecularly imprinted polymers (MIP) layer combined with interdigitated electrode (IDE) as sensor. Mango volatiles from different week of ripeness ...

    • Impact of hydrogen concentrations on the impedance spectroscopic behavior of Pd-sensitized ZnO nanorods 

      Muhammad Kashif, Muhammad Faroow; Md. Eaqub, Ali, Dr.; Syed Muhammad Usman, Ali Shah, Dr.; Uda, Hashim, Prof. Dr.; Sharifah Bee, O.A Abd Hamid, Prof. Dr. (Licensee Springer, 2013)
      ZnO nanorods were synthesized using a low-cost sol-gel spin coating technique. The synthesized nanorods were consisted of hexagonal phase having c-axis orientation. SEM images reflected perpendicular ZnO nanorods forming ...

    • Influence of current density on porous silicon characteristics 

      Husnen R., Abd; Naser Mahmoud, Ahmed, Dr.; Yarub, Al-Douri, Assoc. Prof. Dr.; Uda, Hashim, Prof. Dr. (Trans Tech Publications, 2013)
      Porous silicon structures have been fabricated by electrochemical etching using different current density. From field emission scanning electron microscope images (FE-SEM) it was observed that more uniform distribution of ...

    • Influence of shear strength on long term biased humidity reliability of Cu ball bonds 

      Chong, Leong Gan; Uda, Hashim, Prof. Dr. (Springer Science+Business Media New York, 2014-10)
      This paper compares and discusses the influence of shear strength (in terms of shear-per mils-square) of Au and Cu ball bonds on the biased humidity reliability performance in SOIC 8LD leaded package. Biased (HAST) highly ...

    • ISFET for pH Sensor 

      Mohd Naim, Haron; Mustaqim Rahimi, Mokhtar (Universiti Sains Islam Malaysia (USIM), 2010-09-26)
      ISFET is an ionic Sensitive Field Effect Transistor that has similar structure to that of a conventional MOSFET.

    • Isolation, characterization, and identification of biological control agent for potato soft rot in Bangladesh 

      Mohammad Mizanur Mustafizur, Rahman; Md Eaqub, Ali, Dr.; Adalat, Khan; Abdul Mannan, Akanda, Dr.; Md Kamal, Uddin; Uda, Hashim, Prof. Dr.; Sharifah Bee, Abd Hamid, Prof. Dr. (Hindawi Publishing Corporation, 2012)
      A total of 91 isolates of probable antagonistic bacteria of potato soft rot bacterium Erwinia carotovora subsp. carotovora (Ecc) were extracted from rhizospheres and endophytes of various crop plants, different soil ...