Browsing Conference Papers by Author "uda@unimap.edu.my"

Now showing items 1-20 of 25

    • 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 ...

    • Characterization and analysis of diatomite for industrial applications 

      A. W. Fagri; Yarub, Al - Douri, Prof. Madya Dr.; Uda, Hashim, Prof. Dr. (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      As nanotechnology and nanomarterials are gaining wide acceptances, diatomite is one of the attractive materials that can be engineered to form different nanostructures for numerous applications. Thus, careful examination ...

    • 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 ...

    • Design and fabrication of Nanowire-based conductance biosensor using spacer patterning technique 

      Uda, Hashim; Shahrir, Salleh; Siti Fatimah, Abd Rahman; Amir Razif Arief, Jamil Abdullah (Institute of Electrical and Electronics Engineering (IEEE), 2008-12-01)
      Materials have different behaviours and properties at the nanoscales (1-100nm). New theories and discoveries have been found in designing and fabricating at these sizes. Silicon Nanowires has allowed the introduction of ...

    • Design and process development of silicon nanowire based DNA biosensor using electron beam lithography 

      Uda, Hashim; Siti Fatimah, Abd Rahman; Mohammad Nuzaihan, Md Nor; Shahrir, Salleh (Institute of Electrical and Electronics Engineering (IEEE), 2008-12-01)
      Silicon nanowires (SiNWs) have their unique feature such as similar diameters to biomolecules, chemically tailorable physical properties, enable to apply in biomolecule detection and can be fabricated as a high performance ...

    • Design development of SOI based biologically sensitive field-effect transistor (Bio-FET) for earlier detection of cancer cell 

      Foo, Kai Loong; Uda, Hashim, Prof. Dr. (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)
      Cancer cell is a class of disease in which group of cell that display uncontrolled growth, invasion and metastasis. For late stage of cancer cell detection, it is classified as an incurable disease. Hence, SOI Based ...

    • Designing an Artificial Neural Network model for the prediction of kidney problems symptom through patient's metal behavior for pre- clinical medical diagnostic 

      Tijjani Adam, Shuwa; Uda, Hashim, Prof. Dr.; U. S., Sani (Institute of Electrical and Electronics Engineers (IEEE), 2012-02-27)
      This paper contains a report on a very simple functional model of Artificial Neural Networks, the article is proposed to aid current pre-clinical patient diagnosis methods. The study investigated the use of Artificial ...

    • Development of carbon nanotube based biosensor fabrication for medical diagnostics application 

      Syamsul, N. S. B. M.; Mohammad Nuzaihan, Md Noor; Uda, Hashim, Prof. Dr. (Institute of Electrical and Electronics Engineers (IEEE), 2010-12-01)
      Carbon nanotubes are tiny hollow cylinders, made from a single grapheme sheet, that possess many amazing properties. Spurred by the Human Genome Project, deoxyribonucleic acid (DNA), carbon nanotube based biosensors are ...

    • The fabrication methods of Metal-molecule-metal junction electrode current state-of-art 

      Qazi Muhammad, Humayun; Uda, Hashim, Prof. Dr. (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      Fabrication techniques for Metal-molecule-metal junction electrode suitable to study electron tunneling through metal junctions are reviewed. The applications of current strategies such as mechanical breakjunction, ...

    • Fabrication of ISFET for pH detection 

      Chong, Soon Weng; Nur Hamidah, Abdul Halim; Uda, Hashim, Prof. Dr. (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      The ability to detect variation of pH from the changes ions concentration has gained Ion Sensitive Field Effect Transistor (ISFET) huge interest in various fields such as environmental monitoring in agricultural sector and ...

    • 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 ...

    • Low cost fabrication of micromixer and microchamber for microfluidic lab-on-chip 

      Uda, Hashim, Prof. Dr.; Tijjani Adam, Shuwa; M. Wesam, Al-Mufti; Ling, Peter Jie Lung; Shahrul Aizzam, Ariffin (Institute of Electrical and Electronic Engineers (IEEE), 2012)
      Microfluidic technology has been given the contribution in biomedical and chemistry. The testing and diagnosis on bio-reagents has the efficiency increased through the implementation of microfluidic technology, such as lab ...

    • Mask design and fabrication of LiSFET for light sensor application 

      Uda, Hashim; Kasim, Abdul Rahman; Amir Razif Arief, Jamil Abdullah (Institute of Electrical and Electronics Engineering (IEEE), 2008-12-01)
      The usage of MOSFET is not limited as amplifier and switch only but it has great potential to become the sensors when sensing mediums which integrated on to MOSFET. This research is intended to study the combination of ...

    • Mask design for the reproducible fabrication and reliable pattern transfer for polysilicon nanowire 

      Tijjani Adam, Shuwa; Uda, Hashim, Prof. Dr.; Leow, Pei Ling (Institute of Electrical and Electronics Engineers (IEEE), 2012)
      In fabrication of Nanowire alignment and exposure are the most critical steps in photolithography process, the resolution requirements and precise alignment are vital, each mask needs to be precisely aligned with original ...

    • 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 ...

    • 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 ...

    • 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. ...

    • Silicon nanowire sensor by mix and match lithography process: Fabrication and characterization 

      Uda, Hashim, Prof. Dr. (American Institute of Physics, 2012-06-06)
      Silicon nanowires (SiNWs) have attracted significant interest in the study because of their potential to impact applications from nanoscale electronics to biomedical engineering. E-Beam Lithography couple with standard ...

    • State of the art: PDMS surface treatment for the hydrophilization and hydrophobicity 

      Tijjani Adam, Shuwa; Uda, Hashim, Prof. Dr.; Foo, Kai Loong; Qazi Muhammad, Humayun; M., Kashif (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      As advancement in nano laboratory on chip is moving at the speed of light, the Polydimethylsiloxane (PDMS) is frequently used to build microfluidic devices PDMS due to its ease of handling , easy fabrication, transparency ...

    • Structural, analysis and optical studies of cadmium sulfide nanostructured 

      Abdulwahab, S.Z. Lahewil; Yarub, Al-Douri, Assoc. Prof. Dr.; Uda, Hashim, Prof. Dr.; Naser Mahmoud, Ahmed, Dr. (Malaysian Technical Universities Network (MTUN), 2012-11-20)
      Cadmium sulfide (CdS) thin films of nanostructure were prepared and deposited on glass substrates with Cd:S (1.2 to 0.05 mol/L) annealed at 400ºC and different spin coating speed (1000 and 5000 rpm) using sol-gel spin ...