Browsing Researchers by Author "Uda, Hashim, Prof. Dr."

Now showing items 41-60 of 196

    • Development of nanogap automated permittivity measurement system for DNA hybridization detection kit 

      Saifullah, A.; Azri, M. E.; Uda, Hashim, Prof. Dr. (Institute of Electrical and Electronics Engineering (IEEE), 2009-12-14)
      The Nanogap Automated Permittivity Measurement System (APMS) are fabricated as low cost, portable and label free DNA hybridization detection kit. The nanogap capacitor can react as a dna sensor. The difference in dielectric ...

    • Development of nanogap based dielectric biosensor for label-free medical diagnostic analytical measurement 

      A., Mat Taib; Uda, Hashim, Prof. Dr.; N. A., Yusof; Th. S., Dhahi (Universiti Malaysia Pahang, 2009-06-20)
      Biosensor with electrode distances 75 nm and highly sensitive and selective is proposed in this research. The target application is the label-free detection of bio-molecular interaction for medical diagnostic ...

    • Development of swine-specific DNA markers for biosensor-based halal authentication 

      Md. Eaqub, Ali; Uda, Hashim, Prof. Dr.; Muhammad, Kashif; Shuhaimi, Mustafa, Assoc. Prof Dr.; Yaakob, Che Man, Prof. Dr. (Fundacao de Pesquisas Cientificas de Ribeirao Preto (FUNPEC-RO), 2012-06)
      The pig (Sus scrofa) mitochondrial genome was targeted to design short (15-30 nucleotides) DNA markers that would be suitable for biosensor-based hybridization detection of target DNA. Short DNA markers are reported to ...

    • Disposable polymeric electromagnetic actuated micropump 

      Chee, Pei Song; Rashidah, Arsat, Dr.; Uda, Hashim, Prof. Dr.; Ruzairi, Abdul Rahim, Prof. Dr.; Leow, Pei Ling (American Scientific Publishers, 2012-06)
      Abstract A polymer based disposable micropump was designed and evaluated for drug release and control mechanism. The micropump is constructed via hot embossing replication technique with poly(methylmethacrylate) as body ...

    • DNA hybridization detection using 5-nm polysilicon nanogap structure 

      Thikra S., Dhahi; Md Eaqub, Ali, Dr.; Uda, Hashim, Prof. Dr.; Nor Azah, Yusof; Ihsan M., Ali; M. J., Ashoor; A., Al-Roumy; H.A, Hadi (Bentham Science Publishers., 2013)
      This report described a polysilicon nanogap biosensor for the detection of target DNA hybridization which is a key step in biodiagnostics, gene expression profiling, environmental monitoring and forensic investigation. The ...

    • DNA hybridization detection using less than 10-nm gap silicon nanogap structure 

      Md Eaqub, Ali, Dr.; Dhahi, Th Sabar; Rasel, Das; Uda, Hashim, Prof. Dr. (Elsevier B.V., 2013-09)
      This report described less than 10-nm gap silicon-based electrode sensor for the discriminating detection of complementary, non-complementary and single nucleotide mismatched DNA targets. Discriminating detection of nucleic ...

    • 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 ...

    • 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 ...

    • Effect of different seed solutions on the morphology and electrooptical properties of ZnO Nanorods 

      Muhammad Kashif, Muhammad Faroow; Uda, Hashim, Prof. Dr.; Md. Eaqub, Ali, Dr.; Syed Muhammad, Usman Ali Shah, Dr.; Mohamad Rusop, Mahmood, Assoc Prof. Dr.; Zafar Hussain, Ibupoto; Willander, Magnus (Hindawi Publishing Corporation, 2012)
      The morphology and electrooptical properties of ZnO nanorods synthesized on monoethanolamine-based seed layer and KOHbased seed layer were compared. The seed solutions were prepared in monoethanolamine in 2-methoxyethanol ...

    • Effect of different solvents on the structural and optical properties of zinc oxide thin films for optoelectronic applications 

      Foo, Kai Loong; Muhammad, Kashif; Uda, Hashim, Prof. Dr.; Liu, Wei-Wen (Elsevier, 2014-01)
      Zinc oxide (ZnO) seed solutions were prepared using 4 different solvents, namely, methanol (MeOH), ethanol (EtOH), isopropyl alcohol (IPA) and 2-methoxyethanol (2-ME). The prepared seed solutions were used to synthesize ...

    • Effect of manganese content on the fabrication of porous anodic alumina 

      Voon, Chun Hong; Mohd Nazree, Derman, Dr.; Uda, Hashim, Prof. Dr. (Hindawi Publishing Corporation, 2012)
      The influence of manganese content on the formation of well-ordered porous anodic alumina was studied. Porous anodic alumina has been produced on aluminium substrate of different manganese content by single-step anodizing ...

    • Effect of temperature of oxalic acid on the fabrication of Porous anodic alumina from Al-Mn alloys 

      Mohd Nazree, Derman, Dr.; Foo, Kai Loong; Khairel Rafezi, Ahmad, Dr.; Uda, Hashim, Prof. Dr.; Voon, Chun Hong (Hindawi Publishing Corporation, 2013)
      The influence of temperature of oxalic acid on the formation of well-ordered porous anodic alumina on Al-0.5 wt% Mn alloys was studied. Porous anodic alumina has been produced on Al-0.5 wt% Mn substrate by single-step ...

    • 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 ...

    • Electrical generation of Dye-Sensitized solar cells using sensitizer from rose flower 

      Gomesh Nair, Shasidharan; Syafinar, Ramli; Muhammad Irwanto, Misrun; Mohd Irwan, Yusoff; M. R. Mamat; Uda, Hashim, Prof. Dr.; Norman, Mariun (Trans Tech Publications Inc., 2014-08)
      Dye-sensitized solar cell (DSSC) is part of the thin film family that consists of a TiO2 electrode coating which acts as a photo electrode, sensitizer from dye molecules soaked in the TiO2 film, electrolyte layer and a ...

    • Electrical properties of silicon-based nanogap electrodes for label-free biomolecular detection 

      Thikra S., Dhahi; Md. Eaqub, Ali, Dr.; Uda, Hashim, Prof. Dr. (American Scientific Publishers, 2013-02)
      The electrical properties of 6-, 33- and 89-nm gap structures were systematically studied to evaluate the feasibility of these structures to be used in biomolecular sensing devices. The fabrication and morphological ...

    • Electrode design and planar uniformity of anodically etched small area porous silicon 

      Ahmed, N. M.; Zaliman, Sauli, Prof. Madya; Uda, Hashim, Prof. Dr.; Zul Azhar, Zahid Jamal, Prof. Dr. (American Institute of Physics, 2009-06-01)
      Porous silicon layer microstructure is sensitive to many parameters, which need to be controlled during etching. These include not only anodization time, current density, applied potential and electrolyte composition but ...

    • 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 ...

    • The electroosmosis mechanism for fluid delivery in PDMS multi-layer microchannel 

      Tijjani Adam, Shuwa; Uda, Hashim, Prof. Dr.; Md. Eaqub, Ali, Dr.; Leow, Pei Ling (American Scientific Publishers All rights reserved., 2013-01)
      Here we reported on fabrication of multi-layer microstructures that takes the advantage of electroosmosis to mix fluids. Microlaboratories for biochemical applications often require rapid mixing of different fluid streams. ...

    • Embedded portable device for herb leaves recognition using image processing techniques and neural network algorithm 

      Zulkifli, Husin; Ali Yeon, Md Shakaff, Prof. Dr.; Abdul Halis, Abdul Aziz; Rohani, S. Mohamed Farook; Mahmad Nor, Jaafar, Assoc. Prof. Dr.; Uda, Hashim, Prof. Dr.; Azizi, Harun (Elsevier B.V., 2012-11)
      Herbs have been widely used in food preparation, medicine and cosmetic industry. Knowing which herbs to be used would be very critical in these applications. Nevertheless, the current way of identification and determination ...

    • Extended reliability of gold and copper ball bonds in microelectronic packaging 

      Chong, Leong Gan; Classe, Francis; Bak, Lee Chan; Uda, Hashim, Prof. Dr. (World Gold Council, 2013-06)
      Wire bonding is the predominant mode of interconnection in microelectronic packaging. Gold wire bonding has been refined again and again to retain control of interconnect technology due to its ease of workability and years ...