26 hasil untuk "U Hashim"
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Artikel Jurnal Teks lengkap
Novel Iron-oxide Catalyzed CNT Formation on Semiconductor Silicon Nanowire
An aqueous ferric nitrate nonahydrate (Fe(NO3)3.9H2O) and magnesium oxide (MgO) were mixed and deposited on silicon nanowires (SiNWs), the carbon nanotubes (CNTs) formed by the concentration of Fe3O4/MgO catalysts with the mole ratio set at 0.15:9.85 and 600°C had diameter between 15.23 to 90nm…
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Artikel Jurnal
Nanoherbals in Human Healthcare: A Proposed Research and Development Roadmap I
Bioactive secondary metabolites derived from herbs are examined for their suitability of conversion into nanoforms having flexible morphological controls, surface stabilizations and surface functionalization. This can lead to stable chemical conjugations based on molecular recognition for their…
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Artikel Jurnal
Nanoherbals in Human Healthcare: A Proposed Research and Development Roadmap II
Bioactive secondary metabolites derived from herbs are examined for their suitability of conversion into nanoforms having flexible morphological controls, surface stabilizations and surface functionalization. This can lead to stable chemical conjugations based on molecular recognition for their…
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Artikel Jurnal
From Nanostructure to Nano Biosensor: Institute of Nano Electronic Engineering (INEE), UniMAP Experience
Nanostructure is defined as something that has a physical dimension smaller than 100 nanometers, ranging from clusters and/or to dimensional layers of atoms. There are three most important nanostructures that are extensively studied and researched in various organizations including Institute of…
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Morphological Reaction on the Different Stabilizers of Titanium Dioxide Nanoparticles
Three different stabilizers have been chosen for TiO2 solution preparation via sol-gel method to form a resistive sensor. TiO2 solution was prepared by mixing of ethanol as a solvent, titanium isopropoxide as a precursor and hydrochloric acid (HCl) as a stabilizer thus synthesis pH 1 aqueous…
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Extraction and Identification of the Main Components of Cloves (Syzygium aromaticum L.) Oil Extract and its Antimicrobial Activity against Methicillin-resistant Staphylococcus aureus strain
Background: Methicillin-resistant Staphylococcus aureus is widely recognized as a significant etiological agent responsible for infections around the world. One of the biggest problems in world health care is antibiotic resistance to the MRSA strain. The use of herbal medicines is one of the…
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Macroscopic and Microscopic Evaluation of Burn Wound Healing Infected with Methicillin-Resistant Staphylococcus aureus in Immunocompromised Rats Using Clove Extract
Background: Severe or moderate burns can be life-threatening, and being infected by multidrug resistant bacteria (MRSA strain) makes treating burns a significant issue. Objectives: To evaluate the healing effect of clove extract in improving burn wound healing infected with MRSA in experimentally…
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Artikel Jurnal
Fabricated Optical Strip Waveguide of Nanophotonics Lithium Niobate
The fabrication of an optical waveguide by designing the device and using a positive photoresist via photo lithography (ultraviolet light) to transfer the pattern of the sample has been studied. A direct coupler method was used to investigate a different wavelength pointer laser beam coupled with a…
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Artikel Jurnal
Alternative-Current Electrochemical Etching of Uniform Porous Silicon for Photodetector Applications
The twining of alternative-current (AC) with electrochemical etching (ECE) to fabricate porous silicon (PS) is studied. The porosity percentage is obtained by gravimetric analysis. The effect of different current densities; 20, 25 and 30 mA/cm2 at 30 min on morphology and electrical properties of…
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Artikel Jurnal Teks lengkap
Synthesized of gallium Nitride/PSi nano thin films using 532 nm wavelength by pulsed laser deposition technique
The porous silicon (PSi) substrate was accurately synthesized using photoelectrochemical etching. A Nanofilm gallium nitride (GaN) was then precisely deposited on this PSi substrate using pulsed laser deposition (PLD). The x-ray diffraction (XRD) investigation revealed the GaN layer's distinct…
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Artikel Jurnal
Aluminium nanoparticles size effect on the optical and structural properties of ZnO nanostructures synthesized by spin-coating technique
Zinc oxide has been synthesized using sol-gel method with different Al nanoparticles (40, 70 and 100 nm). It has been analysed and characterized by UV–vis, X-ray diffraction (XRD), atomic force microscopy (AFM) and Scanning Electron Microscopy (SEM), respectively. It has been revealed that Al…
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Electrical, Optical and Structural Properties of Cu2Zn0.8Cd0.2SnS4 Quinternary Alloy Nanostructures Synthesized by Spin Coating Technique
Cu2Zn0.8Cd0.2SnS4 quinternary alloy nanostructures with different Cu concentration (0.3, 0.5, 0.7 and 0.9 mol/L) were grown on glass substrate, using the spin coating technique. The structural and morphological studies were carried out by X-ray diffraction (XRD), Field Emission-Scanning Electron…
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Low Temperature Annealed Zinc Oxide Nanostructured Thin Film-Based Transducers: Characterization for Sensing Applications
The performance of sensing surfaces highly relies on nanostructures to enhance their sensitivity and specificity. Herein, nanostructured zinc oxide (ZnO) thin films of various thicknesses were coated on glass and p-type silicon substrates using a sol-gel spin-coating technique. The deposited films…
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Artikel Jurnal Teks lengkap
A Point-of-Care Immunosensor for Human Chorionic Gonadotropin in Clinical Urine Samples Using a Cuneated Polysilicon Nanogap Lab-on-Chip
Human chorionic gonadotropin (hCG), a glycoprotein hormone secreted from the placenta, is a key molecule that indicates pregnancy. Here, we have designed a cost-effective, label-free, in situ point-of-care (POC) immunosensor to estimate hCG using a cuneated 25 nm polysilicon nanogap electrode. A…
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Preparation of DNA biosensor application from fuel oil waste by functionalization and characterization of MWCNT
The potential of using a multi-wall carbon nanotube (MWCNT) synthesized from a fuel oil waste of power plants has discovered for the first time for DNA biosensors application. The MWCNT surface morphologies were examined by field emission scanning electron microscopy (FE-SEM) and atomic force…
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Recent advances in density functional theory approach for optoelectronics properties of graphene
Graphene has received tremendous attention among diverse 2D materials because of its remarkable properties. Its emergence over the last two decades gave a new and distinct dynamic to the study of materials, with several research projects focusing on exploiting its intrinsic properties for…
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Artikel Jurnal
Effect of Growth Temperature and Mn Incorporation on GaN:Mn Thin Films Grown by Plasma-Assisted MOCVD
In this paper, the growth of GaN:Mn thin films by plasma-assisted metalorganic chemical vapor deposition (PAMOCVD) method is reported. The method used in this study, utilizes a microwave cavity as a cracking cell to produce nitrogen radicals, which in turn reduce the growth temperature…
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Artikel Jurnal Teks lengkap
Top-Down Nanofabrication and Characterization of 20 nm Silicon Nanowires for Biosensing Applications
A top-down nanofabrication approach is used to develop silicon nanowires from silicon-on-insulator (SOI) wafers and involves direct-write electron beam lithography (EBL), inductively coupled plasma-reactive ion etching (ICP-RIE) and a size reduction process. To achieve nanometer scale size, the…