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

Now showing items 121-140 of 243

    • 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 ...

    • 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 ...

    • 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. ...

    • 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 ...

    • Shallow junction formation: A simulation based study of thermal diffusion by spin-on-dopants technique 

      Uda, Hashim, Prof. Dr.; Tijjani Adam, Shuwa; Nik Hazura, Nik Hamat; Siti Fatimah (AENSI Publications, 2012)
      Ultra shallow junction fabrication in large scaled integrated (ULSI) technology is one of the difficult challenges in device manufacturing. Low energy ion implantation is the most widely used technique at present to form ...

    • Technical barriers and development of Cu wirebonding in nanoelectronics device packaging 

      C., L. Gan; E., K. Ng; B., L. Chan; Uda, Hashim, Prof. Dr.; F., C. Classe (Hindawi Publishing Corporation, 2012)
      Bondpad cratering, Cu ball bond interface corrosion, IMD (intermetal dielectric) cracking, and uncontrolled post-wirebond staging are the key technical barriers in Cu wire development. This paper discusses the UHAST (unbiased ...

    • Nanobioprobe for the determination of pork adulteration in burger formulations. 

      Md. Eaqub, Ali; Shuhaimi, Mustafa, Assoc. Prof Dr.; Uda, Hashim, Prof. Dr.; Yaakob, Che Man, Prof. Dr; Foo, Kai Loong (Hindawi Publishing Corporation, 2012)
      We report the development of a swine-specific hybrid nanobioprobe through a covalent integration of a fluorophore-labeled 27-nucleotide AluI-fragment of swine cytochrome b gene to a 3nm gold nanoparticle for the determination ...

    • 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 ...

    • Polysilicon nanogap fabrication using a thermal oxidation process 

      Dhahi, T.S; Uda, Hashim, Prof. Dr.; Md. Eaqub, Ali; Nazwa, Taib (Emerald Group Publishing Limited., 2012)
      Purpose - Nanogap electrodes have important applications in power saving devices, electrochemical sensors and dielectric detections of biomolecules. The purpose of this paper is to report on the fabrication and characterization ...

    • 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 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 ...

    • 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 ...

    • Modular architecture of a non-contact pinch actuation micropump 

      Chee, Pei Song; Rashidah, Arsat. Dr.; Tijjani Adam, Shuwa; Uda, Hashim, Prof. Dr.; Ruzairi, Abdul Rahim, Prof. Dr.; Leow, Pei Ling (MDPI, Basel, Switzerland., 2012-09)
      This paper demonstrates a modular architecture of a non-contact actuation micropump setup. Rapid hot embossing prototyping was employed in micropump fabrication by using printed circuit board (PCB) as a mold material in ...

    • A potentiometric indirect uric acid sensor based on ZnO nanoflakes and immobilized uricase 

      Syed Muhammad, Usman Ali, Dr.; Zafar Hussain, Ibupoto; Muhammad, Kashif; Uda, Hashim, Prof. Dr.; Willander, Magnus (MDPI, 2012-03)
      In the present work zinc oxide nanoflakes (ZnO-NF) structures with a wall thickness around 50 to 100 nm were synthesized on a gold coated glass substrate using a low temperature hydrothermal method. The enzyme uricase was ...

    • Taqman real-time polymerase chain reaction for the determination of pork adulteration in meat nuggets 

      Md. Eaqub, Ali; Uda, Hashim, Prof. Dr.; Shuhaimi, Mustafa, Assoc. Prof. Dr.; Yaacob, Che Man, Prof. Datuk Dr.; Md. Abdul, Latif, Dr.; Khondaker, Nurul Islam; Md. Zuki, Abu Bakar, Prof. Dr.; Md. Majibar, Rahman (Vup Food Research Institute, 2012)
      A TaqMan real-time polymerase chain reaction was developed for the determination of pork adulteration in nuggets. The assay combined species-specific primers and TaqMan probe to target a 109 bp fragment of swine cytochrome ...

    • Species authentication methods in foods and feeds: The present, past, and future of halal forensics 

      Md. Eaqub, Ali; Muhammad, Kashif; Md. Kamal, Uddin; Uda, Hashim, Prof. Dr.; Shuhaimi, Mustafa, Prof. Madya Dr.; Yaacob, Che Man, Prof. Datuk Dr. (Springer Science+Business Media, LLC., 2012-09)
      We extensively reviewed the existing as well as the potentials of the molecular biology and nanotechnology methods for the identification of animal-derived materials in foods and feeds. The verification of animal-derived ...

    • 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 ...

    • Analysis of pork adulteration in commercial burgers targeting porcine-specific mitochondrial cytochrome B gene by TaqMan probe real-time polymerase chain reaction 

      Md. Eaqub, Ali; Uda, Hashim, Prof. Dr.; Thikra, S. Dhahi; Mustafa, Shuhaimi, Assoc. Prof. Madya Dr.; Yaakob, Che Man, Prof. Dato' Dr.; Md Abdul Latif, Dr. (Springer-Verlag, 2012-08)
      A TaqMan probe real-time polymerase chain reaction assay was developed for the determination of pork adulteration in commercial burgers. The assay combined porcine-specific primers and TaqMan probe for the selective ...

    • 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 ...

    • Structural and optical investigations of cadmium sulfide nanostructures for optoelectronic applications 

      Abdulwahab, S.Z. Lahewil; Yarub, Al-Douri, Assoc. Prof. Dr.; Uda, Hashim, Prof. Dr.; Naser Mahmoud, Ahmed, Dr. (Elsevier Ltd., 2012-11)
      Cadmium sulfide (CdS) nanostructures were deposited on glass substrates by sol–gel spin coating technique. X-Ray Diffraction (XRD) results have indicated that the formation of CdS has hexagonal structure. The lattice constants ...