Browsing Uda Hashim, Prof. Ts. Dr. by Title
Now showing items 57-76 of 249
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Development of nanogap automated permittivity measurement system for DNA hybridization detection kit
(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
(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
(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
(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
(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
(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 alignment mark architecture on alignment signal behavior in advanced lithography
(Universiti Malaya, 2007)Alignment mark architecture is divided into two types, which depending on where the mark is defined. Alignment mark that is defined through the contact masking steps is known as contact mark and alignment mark that is ... -
Effect of alignment mark depth on alignment signal behavior in advanced lithography
(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 ... -
Effect of anodizing voltage on the morphology and growth kinetics of porous anodic alumina on Al-0.5 wt% Mn alloys
(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
(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
(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
(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 Kenaf Fibre Layers on Mechanical and Thermal Properties of Kenaf/Unsaturated Polyester Composites
(IOP Publishing, 2018)Composites of kenaf/unsaturated polyester containing 1layer up to 4 layers of kenaf fibre were studied to evaluate the mechanical and thermal properties. These composites were compared with a control system containing ... -
Effect of kenaf fibre Mat layers and Zinc Oxide Nanoparticle Concentration on the Mechanical and Thermal Properties of ZnONPs/kenaf/polyester Composites
(IOP Publishing, 2018)Zinc oxide nanoparticle kenaf polyester composite (ZnONPs/kenaf/polyester) containing 1, 2, 3 and 4 layers of kenaf fibre treated with 40nm 2% (w/w) and 5 % (w/w ) of ZnONPs were prepared and characterised to evaluate ... -
Effect of manganese content on the fabrication of porous anodic alumina
(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 ... -
The effect of temperature, pH and exposure time to Electroless Nickel Deposition for Under Bump Metallurgy (UBM)
(Universiti Putra Malaysia (UPM), 2005-12-06)The low cost deposition of under bump metallurgy (UBM) method presented in this paper is based on electroless nickel immersion gold (ENIG) bumping process. The study is focuses on the effect of temperature, pH and exposure ... -
The effects of multiple zincation process on Aluminum Bond Pad surface for Electroless Nickel Immersion Gold deposition
(American Society of Mechanical Engineers (ASME), 2006-09)This paper reports the effects of a multiple zincation processon the Al bond pad surface prior to electroless nickel immersion gold deposition. The study of multiple zincation comprises the surface topogtaphy and morphology ... -
Effects of reaction time on the morphological, structural, and gas sensing properties of ZnO nanostructures
(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 properties of silicon-based nanogap electrodes for label-free biomolecular detection
(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
(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 ...