This page provides access to research works by Prof. Dr. Uda Hashim, currently a Deputy Vice Chancellor (Research and Innovation), Universiti Malaysia Perlis (UniMAP).

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Skills and Expertise: Nanostructures, Nanowires Engineering, Micelles and Nanotechnology for Drug Delivery

Recent Submissions

  • Effect of alignment mark depth on alignment signal behavior in advanced lithography 

    Normah, Ahmad; Uda, Hashim; Mohd Jeffery, Manaf; Kader Ibrahim, Abdul Wahab (Universiti Malaysia Perlis, 2008)
    Finding a robust alignment strategy is one of the key evaluations in defining photolithography process. Alignment is a process to determine how the current pattern is placed on the wafer. Alignment is done by an optical ...
  • Design and analysis of various microcantilever shapes for MEMS based sensing 

    Huzein Fahmi, Hawari; Yufridin, Wahab, Dr.; M. T., Azmi; Ali Yeon, Md Shakaff, Prof. Dr.; Uda, Hashim, Prof. Dr.; Shazlina, Johari, Dr. (Institute of Physics Publishing, 2014)
    One the major requirements for sensing devices is its sensitivity. This paper presents the design, analysis and simulation of various types of MEMS based microcantilevers shapes and their influence on sensing sensitivity. ...
  • Application of gold nanoparticles for electrochemical DNA biosensor 

    Ahmed Mishaal, Mohammed; Ruslinda, Abdul Rahim, Dr.; Ibraheem Jaleel, Ibraheem; Foo, Kai Loong; Hasrul Hisham, Che Ahmad; Uda, Hashim, Prof. Dr.; Yarub, Al-Douri, Assoc. Prof. Dr. (Hindawi Publishing Corporation, 2014)
    An electrochemical DNA biosensor was successfully fabricated by using (3-aminopropyl)triethoxysilane (APTES) as a linker molecule combined with the gold nanoparticles (GNPs) on thermally oxidized SiOthin films. The SiOthin ...
  • 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 ...
  • Simulation of 1GHz center frequency SAW using CST software for biosensor application 

    Mohd Rosydi, Zakaria; Uda, Hashim, Prof. Dr.; M. H. I., Mohd Amin; Tijjani Adam, Shuwa; M. Wesam, Al-Mufti (IDOSI Publications, 2013)
    Surface Acoustic Wave (SAW) is a one of the essential components that used for sensor application to detect in various fields. The high center frequencywill improve the sensitivity of SAW biosensor. Therefore, it's very ...
  • 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 ...
  • 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 ...
  • Effects of reaction time on the morphological, structural, and gas sensing properties of ZnO nanostructures 

    Shahid, Hussain; Tianmo, Liu; Muhammad Kashif, Muhammad Faroow; Lin, Liyang; Wu, Shufang; Weiwei, Guo; Wen, Zeng; Uda, Hashim, Prof. Dr. (Elsevier, 2014-02)
    Morphological transformation was achieved from ZnO hexagonal needle-like rods to hexagonal flower-like rods by varying the reaction growth time using the hydrothermal method. Optical bandgap energies were calculated from ...
  • Selective growth of ZnO nanorods on microgap electrodes and their applications in UV sensors 

    Qazi Muhammad, Humayun; Muhammad Kashif, Muhammad Faroow; Uda, Hashim, Prof. Dr.; Ahsanulhaq, Qurashi (Springer, 2014-01)
    Selective area growth of ZnO nanorods is accomplished on microgap electrodes (spacing of 6μm) by using a facile wet chemical etching process. The growth of ZnO nanorods on a selected area of microgap electrode is carried ...
  • Chalcogenide nanostructures: Topography, synthesis, properties, and applications 

    Yarub, Al-Douri; Uda, Hashim, Prof. Dr. (AIP Publishing LLC, 2014)
    High-quality Cadmium sulfide (CdS) nanostructures for high-efficiency optoelectronic devices were prepared at different annealing temperatures using a sol-gel spin-coating method. Atomic force microscopy and X-ray diffraction ...
  • Advances in biosensors: Principle, architecture and applications 

    Veeradasan, Perumal; Uda, Hashim, Prof. Dr. (Elsevier, 2014-01)
    The ability to detect pathogenic and physiologically relevant molecules in the body with high sensitivity and specificity offers a powerful opportunity in the early diagnosis and treatment of diseases. Early detection and ...
  • Protein solubility behaviour of fresh and frozen chicken meat in slaughtering and non slaughtering condition 

    Nahar, M. K.; Zarina, Zakaria, Dr.; Uda, Hashim, Prof. Dr. (Faculty of Food Science & Technology, Universiti Putra Malaysia, 2014)
    This work was investigated the protein solubility properties of meat from chicken in different body part. The effects of fresh and freezing condition were studied on the protein solubility as a functional property of ...
  • Design and fabrication of silicon nanowire based sensor 

    Siti Fatimah, Abd Rahman; Nor Azah, Yusof, Prof. Dr.; Uda, Hashim, Prof. Dr.; Mohammad Nuzaihan, Md Nor (Electrochemical Science Group (ESG), 2013)
    This paper reports the process development of silicon nanowires sensor requires both the fabrication of nanoscale diameter wires and standard integration to CMOS process. By using silicon-on-insulator (SOI) wafer as a ...
  • Chrome mask design for microfluidic fabrication 

    Perumal, Veeradasan; Uda, Hashim, Prof. Dr. (Trans Tech Publications, 2013)
    This paper presents a simple and effective method to design chrome mask for microfludic fabrication. Microfluidic fabrication involves 9 major step and mainly depends on the master mold template formation by SU-8 photoresists ...
  • 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 ...
  • A simple one-step anodising method for the synthesis of ordered porous anodic alumina 

    Voon, Chun Hong; Mohd Nazree, Derman, Dr.; Uda, Hashim, Prof. Dr.; Khairel Rafezi Ahmad, Dr.; Ho, Li Ngee (Taylor & Francis, 2014)
    Porous anodic alumina (PAA) has been produced on aluminium substrate by single-step anodising at 50 V in 0.3 M oxalic acid at 15°C for 60 min. The highly ordered pore and cell structure was achieved by subjecting the PAA ...
  • Effect of buffer and pH on the protein extraction for chicken meat 

    M. K., Nahar; Zarina, Zakaria, Dr.; Uda, Hashim, Prof. Dr. (Trans Tech Publications, 2013)
    The study was undertaken to determine the extraction of proteins from chicken meat. The effect of buffer (phosphate, citrate and glycine) and four pH values (6.0, 7.0, 8.0 and 9.0) were investigated. The protein extractability ...
  • 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 ...
  • Structural and optical properties of PbI2 nanostructures obtained using the thermal evaporation method 

    Safaa I. Mohammed; Yarub, Al-Douri, Assoc. Prof. Dr.; Uda, Hashim, Prof. Dr.; Naser Mahmoud, Ahmed, Dr.; R., Al-Gaashani (NRC Research Press, 2013-10)
    Lead iodide (PbI2) nanostructures were successfully prepared using the thermal evaporation method on a glass substrate at room temperature. The structural properties were analyzed using X-ray diffraction, which revealed ...
  • Synthesis of single-walled carbon nanotubes: Effects of active metals, catalyst supports, and metal loading percentage 

    Liu, Wei Wen, Dr.; Azizan, Aziz, Assoc. Prof. Dr.; Chai, Siang Piao, Dr.; Abdul Rahman, Mohamed, Prof. Dr.; Uda, Hashim, Prof. Dr. (Hindawi Publishing Corporation, 2013)
    The effects of active metals, catalyst supports, and metal loading percentage on the formation of single-walled carbon nanotubes (SWNTs) were studied. In particular, iron, cobalt, and nickel were investigated for SWNTs ...

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