31 hasil untuk "Hashim, Uda"

Comparative reliability studies and analysis of Au, Pd-coated Cu and Pd-doped Cu wire in microelectronics packaging.

Gan Chong Leong; Hashim Uda

PLoS ONE, Vol. 8 No. 11 · 2013 · Inggris · DOAJ Scopus

This paper compares and discusses the wearout reliability and analysis of Gold (Au), Palladium (Pd) coated Cu and Pd-doped Cu wires used in fineline Ball Grid Array (BGA) package. Intermetallic compound (IMC) thickness measurement has been carried out to estimate the coefficient of diffusion (Do)…

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Correction: Comparative Reliability Studies and Analysis of Au, Pd-Coated Cu and Pd-Doped Cu Wire in Microelectronics Packaging.

Gan Chong Leong; Hashim Uda

PLoS ONE, Vol. 9 No. 1 · 2014 · Inggris · DOAJ Scopus

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Selective growth of ZnO nanorods on microgap electrodes and their applications in UV sensors

Humayun, Qazi; Kashif, Muhammad; Hashim, Uda dkk.

Nanoscale Res Lett · 2014 · Inggris · PubMed Central

Selective area growth of ZnO nanorods is accomplished on microgap electrodes (spacing of 6 μm) by using a facile wet chemical etching process. The growth of ZnO nanorods on a selected area of microgap electrode is carried out by hydrothermal synthesis forming nanorod bridge between two electrodes…

Sol–gel synthesized zinc oxide nanorods and their structural and optical investigation for optoelectronic application

Foo, Kai Loong; Hashim, Uda; Muhammad, Kashif dkk.

Nanoscale Res Lett · 2014 · Inggris · PubMed Central

Nanostructured zinc oxide (ZnO) nanorods (NRs) with hexagonal wurtzite structures were synthesized using an easy and low-cost bottom-up hydrothermal growth technique. ZnO thin films were prepared with the use of four different solvents, namely, methanol, ethanol, isopropanol, and 2-methoxyethanol…

FET-biosensor for cardiac troponin biomarker

Md Arshad Mohd Khairuddin; Fathil Mohamad Faris Mohamad; Hashim Uda

EPJ Web of Conferences, Vol. 162 · 2017 · Inggris · DOAJ

Acute myocardial infarction or myocardial infarction (MI) is a major health problem, due to diminished flow of blood to the heart, leads to higher rates of mortality and morbidity. The most specific markers for cardiac injury are cardiac troponin I (cTnI) and cardiac troponin T (cTnT) which have…

Characterization of Zinc Oxide (ZnO) piezoelectric properties for Surface Acoustic Wave (SAW) device

Zakaria Mohd Rosydi; Johari Shazlina; Ismail Mohd Hafiz dkk.

EPJ Web of Conferences, Vol. 162 · 2017 · Inggris · DOAJ

In fabricating Surface Acoustic Wave (SAW) biosensors device, the substrate is one of important factors that affected to performance device. there are many types of piezoelectric substrate in the markets and the cheapest is zinc Oxide substrate. Zinc Oxide (ZnO) with its unique properties can be…

Momordica charantia fruit mediated green synthesis of silver nanoparticles

Nahar Mst Kamrun; Zakaria Zarina; Hashim Uda dkk.

Green Processing and Synthesis, Vol. 4 No. 3 · 2015 · Inggris · DOAJ Scopus

The synthesis of nanoparticles (NP) is in the spotlight of modern nanotechnology. In recent years, the development of competent green chemistry methods for the synthesis of metal NPs has become the main focus of research. The biological synthesis of NPs using plant extract is currently under…

Trade-off between thermal performance and fatigue life of grooved thrust bearings in steam turbines using an FSI-based approach

Setiawan Andika; Syaifudin Achmad; M Shah M. Kamal dkk.

E3S Web of Conferences, Vol. 731 · 2026 · Prancis · DOAJ

Thrust bearings are essential for maintaining the axial stability of steam turbine rotors under continuous high-load operation. At the Tenayan coal-fired power plant, repeated thrust bearing overheating caused several unit trips despite lubrication flow improvements and material replacements. This…

Titanium Dioxide Nanoparticle-Based Interdigitated Electrodes: A Novel Current to Voltage DNA Biosensor Recognizes E. coli O157:H7

Nadzirah, Sh.; Azizah, N.; Hashim, Uda dkk.

PLoS One · 2015 · Inggris · PubMed Central

Nanoparticle-mediated bio-sensing promoted the development of novel sensors in the front of medical diagnosis. In the present study, we have generated and examined the potential of titanium dioxide (TiO(2)) crystalline nanoparticles with aluminium interdigitated electrode biosensor to specifically…

A Potentiometric Indirect Uric Acid Sensor Based on ZnO Nanoflakes and Immobilized Uricase

Usman Ali, Syed M.; Ibupoto, Zafar Hussain; Kashif, Muhammad dkk.

Sensors (Basel) · 2012 · Inggris · PubMed Central

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 electrostatically immobilized in conjunction with Nafion membrane on the…

Mediatorless Impedance Studies with Titanium Dioxide Conjugated Gold Nanoparticles for Hydrogen Peroxide Detection

Abdul Halim, Nur Hamidah; Lee, Yook Heng; Marugan, Radha Swathe Priya Malon dkk.

Biosensors (Basel) · 2017 · Inggris · PubMed Central

An impedimetric-based biosensor constructed using gold nanoparticles (AuNP) entrapped within titanium dioxide (TiO(2)) particles for hydrogen peroxide (H(2)O(2)) detection is the main feature of this research. The matrix of the biosensor employed the surface of TiO(2), which was previously modified…

Modular Architecture of a Non-Contact Pinch Actuation Micropump

Chee, Pei Song; Arsat, Rashidah; Adam, Tijjani dkk.

Sensors (Basel) · 2012 · Inggris · PubMed Central

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 polymer casting. Actuator-membrane gap separation was studied, with…

Impact of hydrogen concentrations on the impedance spectroscopic behavior of Pd-sensitized ZnO nanorods

Kashif, Muhammad; Ali, Md Eaqub; Ali, Syed M Usman dkk.

Nanoscale Res Lett · 2013 · Inggris · PubMed Central

ZnO nanorods were synthesized using a low-cost sol-gel spin coating technique. The synthesized nanorods were consisted of hexagonal phase having c-axis orientation. SEM images reflected perpendicular ZnO nanorods forming bridging network in some areas. The impact of different hydrogen…

Hydrothermal growth of titania nanowires for SAW device sensing area

Zakaria Mohd Rosydi; Ayub Sh.Nadzirah S.; Ismail Mohd Hafiz dkk.

EPJ Web of Conferences, Vol. 162 · 2017 · Inggris · DOAJ

Synthesis of titania or titanium dioxide (TiO2) is attracted to energy and environmental applications. Here, the growth of nanostructure TiO2 nanowires on Si (100) substrates by using the two-step method. Different seed layers of TiO2 were deposited by spin coating and annealing, followed by the…

An update on pathogenesis and clinical scenario for Parkinson’s disease: diagnosis and treatment

Adam, Hussaini; Gopinath, Subash C. B.; Md Arshad, M. K. dkk.

3 Biotech · 2023 · Inggris · PubMed Central

In severe cases, Parkinson’s disease causes uncontrolled movements known as motor symptoms such as dystonia, rigidity, bradykinesia, and tremors. Parkinson’s disease also causes non-motor symptoms such as insomnia, constipation, depression and hysteria. Disruption of dopaminergic and…

Biotechnological Processes in Microbial Amylase Production

Gopinath, Subash C. B.; Anbu, Periasamy; Arshad, M. K. Md dkk.

Biomed Res Int · 2017 · Inggris · PubMed Central

Amylase is an important and indispensable enzyme that plays a pivotal role in the field of biotechnology. It is produced mainly from microbial sources and is used in many industries. Industrial sectors with top-down and bottom-up approaches are currently focusing on improving microbial amylase…

Fabrication of Silicon Nanowire Sensors for Highly Sensitive pH and DNA Hybridization Detection

Abd Rahman, Siti Fatimah; Yusof, Nor Azah; Md Arshad, Mohd Khairuddin dkk.

Nanomaterials (Basel) · 2022 · Inggris · PubMed Central

A highly sensitive silicon nanowire (SiNW)-based sensor device was developed using electron beam lithography integrated with complementary metal oxide semiconductor (CMOS) technology. The top-down fabrication approach enables the rapid fabrication of device miniaturization with uniform and strictly…

Characterization of Gold-Sputtered Zinc Oxide Nanorods—a Potential Hybrid Material

Perumal, Veeradasan; Hashim, Uda; Gopinath, Subash C. B. dkk.

Nanoscale Res Lett · 2016 · Inggris · PubMed Central

Generation of hybrid nanostructures has been attested as a promising approach to develop high-performance sensing substrates. Herein, hybrid zinc oxide (ZnO) nanorod dopants with different gold (Au) thicknesses were grown on silicon wafer and studied for their impact on physical, optical and…