Browsing by Author "elitefoo@yahoo.com"
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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 ... -
Design development of acoustic waves based sensitive sensors for Escherichia coli O157:H7 detection
Seng Teik, Ten; Uda, Hashim, Prof. Dr.; Ahmad, Sudin; Wei Wen, Liu; Kai Loong, Foo; N.H.M., Salleh; Hasrul, Hisham; Nazwa, T. (Trans Tech Publications Inc., 2014-04)Food contamination has become critical issue and is being worse due to the insensitive detection devices. One of the dangerous food contaminations is by Escherichia coli (E.coli) O157:H7, one of the harmful bacterial ... -
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 ... -
Design of 3D micromixer for bio-synthesis using COMSOL multiphysics software package
Tijjani Adam, Shuwa; Uda, Hashim, Prof. Dr.; Leow, Pei Ling, Dr.; Foo, Kai Loong (American Scientific Publishers, 2013-12)Moving parts of micrometer scale make the chips very expensive and fragile and are therefore to be avoided if at all possible. An alternative method for transporting fluid in the samples is through capillary effect, the ... -
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 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 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 ... -
Fabrication and characterization of IDE based sensor through conventional lithography method
Haarindra Prasad, s/o Rajintra Prasat; Uda, Hashim, Prof. Dr.; Foo, Kai Loong; Tijjani Adam, Shuwa; Mohd Shafiq (Trans Tech Publications, 2014)This paper mainly illustrate regarding the fabrication process of IDE based sensor for bio-molecular detection process. Material that is utilized in this process is zinc oxide due to bio-compability and elevated electrical ... -
Fabrication and characterization of ZnO thin films by sol-gel spin coating method for the determination of phosphate buffer saline concentration
Foo, Kai Loong; Muhammad Kashif, Muhammad Faroow; Uda, Hashim, Prof. Dr.; Md Eaqub, Ali, Dr. (Bentham Science Publishers., 2013)The fabrication, characterization and application of nanostructured zinc oxide (ZnO) thin films on interdigitated silver electrodes were described for the determination of phosphate buffer saline (PBS) concentration. The ... -
Microfluidics design and fabrication for life sciences application
Tijjani Adam, Shuwa; Uda, Hashim, Prof. Dr.; Foo, Kai Loong (American Scientific Publishers, 2013-01)This paper introduces a simple design and fabrication for microfluidics that need no external pumping power to delivery fluid into sensing domain with minimum sample available. Analysis using COMSOL 3.5 Multiphysics ... -
Modeling development of a high-sensitivity escherichia coli O157:H7 detection based on SH SAW sensor
Seng Teik, Ten; Uda, Hashim, Prof. Dr.; Ahmad Sudin; Wei Wen, Liu; Kai Loong, Foo; N.H.M. Salleh; Hasrul, Hisham; Nazwa, T. (Trans Tech Publications, 2014-04)Surface acoustic waves based devices were initially developed for the telecommunication purpose such as signal filters and resonators. The acoustic energy is strongly confined on the surface of the surface acoustic waves ... -
Morphological, structural, and electrical characterization of sol-gel-synthesized ZnO nanorods
Muhammad Kashif, Muhammad Faroow; Uda, Hashim, Prof. Dr.; Md Eaqub, Ali, Dr.; Foo, Kai Loong; Syed Muhammad Usman, Ali Shah, Dr. (Hindawi Publishing Corporation, 2013)ZnO nanorods were grown on thermally oxidized p-type silicon substrate using sol-gel method. The SEM image revealed high-density, well-aligned, and perpendicular ZnO nanorods on the oxidized silicon substrate. The XRD ... -
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 ... -
Polysilicon nanowire fabrication as a transducer for fast reaction assays in nano lab-on-chip domain
Tijjani Adam, Shuwa; Uda, Hashim, Prof. Dr.; Dhahi, Th Sabar; Foo, Kai Loong; Leow, Pei Ling; Chee, Pei Song (American Scientific Publishers, 2013-02)The difficulty with the treatment of cancer is caused by lack of ability to detect the tumor associated with the disease at the early stage. Often, cancer is detected in its later stages, when it has compromised the function ... -
Selection of optimal parameters in fabrication of poly (dimethylsiloxane) microfluidics using taguchi method
Tijjani Adam, Shuwa; Uda, Hashim, Prof. Dr.; Leow, Pei Ling; Foo, Kai Loong; Chee, Pei Song (American Scientific Publishers, 2013-01)The excellent performance and achievements by the microfluidics systems at fluid flow manipulation in the recent years have ignited the passion and interest of many researchers around the world, Since a microfluidic is ... -
Sol-gel derived ZnO nanoparticulate films for ultraviolet photodetector (UV) applications
Foo, Kai Loong; Muhammad Kashif, Muhammad Faroow; Uda, Hashim, Prof. Dr.; Md Eaqub, Ali, Dr. (Elsevier GmbH, 2013-11)Zinc oxide nanoparticles based UV detector was fabricated on thermally oxidized silicon substrate. ZnO nanoparticle films were deposited using sol-gel route. The seed solution was prepared using two different solvents ... -
Sol-gel synthesis of ZnO nanorods for ultrasensitive detection of acetone
Muhammad Kashif, Muhammad Faroow; Md. Eaqub, Ali, Dr.; Syed Muhammad Usman, Ali Shah, Dr.; Foo, Kai Loong; Uda, Hashim, Prof. Dr.; Willander, Magnus (American Scientific Publishers, 2013-12)ZnO nanorods were synthesized on low cost thermally oxidized silicon substrate using a simple and easily performable sol-gel spin coating technique followed by hydrothermal growth. C-axis orientation, good crystalline ... -
Study of zinc oxide films on SiO2/Si substrate by sol-gel spin coating method for pH measurement
Foo, Kai Loong; Muhammad Kashif, Muhammad Faroow; Uda, Hashim, Prof. Dr. (Trans Tech Publications, 2013)This In this work, zinc oxide film was deposited onto the SiO2/Si substrate with low-cost sol-gel spin coating method. Zinc oxide thin film was deposited on the silver interdigit elctrodes for the pH measurement. The surface ... -
Study of ZnO films on SiO2/Si substrate by sol–gel spin coating method
Foo, Kai Loong; Uda, Hashim, Prof. Dr.; M., Kashif (Universiti Malaysia Perlis (UniMAP), 2012-06-18)ZnO films, type of the metal-oxide semiconductor promised a wide range of application, especially in optical and medical field. ZnO prepared from zinc acetate dehydrate as a precursor as a solvent exhibit high crytallinity ... -
Study of ZnO thin film on silicon substrate by sol-gel spin coating method for bio-medical application
Foo, Kai Loong; Mohammad, Kashif; Uda, Hashim, Prof. Dr.; Syed Muhammad Usman, Ali Shah, Dr.; Willander, M., Prof. (Institute of Electrical and Electronics Engineers (IEEE), 2012-02-27)Transparent semiconductor ZnO thin films deposited on p-Si (100) substrates with different solvent (Methanol and Ethanol) were obtained by sol-gel method. The coated ZnO films were annealed in furnace at 500°C for 2 hours. ...