Browsing Chemistry & Earth Sciences by Type "Conference Paper"
Now showing items 1-20 of 29
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Antimicrobial Modification of LDPE Using Non-thermal Plasma
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Low-density polyethylene (LDPE) represents polymer having good chemical and physical characteristics for which it is widely used in many applications, such as biomedical and food packaging industry. This polymer excels by ... -
Application of Pulsed Streaming Potentials in Plastic Microfluidic Channels for Quantitative Point-of-Care Determination of Cardiac Markers
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Acute myocardial infarction (AMI) is a well-recognized angiocardiopathy that can be spotted by a rise and fall of "chemical biomarkers" in a clinical context. Biomarkers are then, valuable indicators, together with ischemic ... -
Characterization of GRE pipes fatigue failure subjected to HTHP loading conditions
( American Society of Mechanical Engineers (ASME) , 2019 , Conference Paper)GRE composite pipes are a great substitute for Carbon steel, however, obstacles of introducing GRE composite pipes into oil and gas transmission lines have been primarily related to inadequate testing data to maintain ... -
CMOS compatible silicon slot ring resonator sensor
( SPIE , 2019 , Conference Paper)We propose a fully CMOS compatible optical sensor based on the ring resonator mechanism. The waveguide structure of the sensor utilizes the silicon on insulator slot waveguide configuration. The analyte fills the slot and ... -
Computational Calculation of Midpoint Potential of Quinones in the A1 Binding Site of the Photosystem I
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Quinones are oxidants; colorants; electrophiles and involved in the electron transfer process of important biological functions such as photosynthesis, respiration, phosphorylation etc. In earth, photosynthesis is the main ... -
Computational study on the nanotubes formation between olsalazine and β-cyclodextrin
( Avestia Publishing , 2017 , Conference Paper)Interests in cyclodextrin-derived nano-assembled supramolecular systems have recently grown notably [1,2]. Cyclodextrins are a family of oligosaccharides that possess very characteristic features of conical shape with ... -
Database Facilitated Screening with NMR Spectroscopy Analysis for Drug Detection
( IEEE , 2019 , Conference Paper)© 2019 IEEE. Drug detection plays the key role in the enforcement of drug regulations. Various detection methods for them are thus developed. However, in most investigations, the most time-consuming and tedious part is not ... -
Development of Novel Reagents for Visualizing Latent Fingerprints
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Chemical composition of fingerprints includes the presence of salts, ions, fatty acids, lipids, amino acids, nucleobases, nucleotides, and nucleic acids. Many methods used to detect latent fingerprints on porous surfaces ... -
Effects of Combined Calcium Hypochlorite and Chlorine Dioxide on Drinking Water Quality in Qatar and Disinfection by Products Formation
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Chlorite, chlorate, bromate and trihalomethane's (THMs) are included in WHO guidelines for drinking water quality. This study examined dosing different chlorine concentrations as calcium hypochlorite (Ca(ClO)2) to water ... -
Extraction and Analysis of Carbamate and Pyrethroid Pesticides in Tomatoes and Rice by Gas Chromatography Mass Spectrometry
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)This work aimed to explore common methods for the extraction of pesticide and to perform qualitative and quantitative analysis by gas chromatography coupled with electron impact mass spectrometry (GC-EI-MS). Extraction was ... -
Hazards influencing coastal plains management along the Eastern stretch of the Gulf of Suez, Using remote sensing and GIS
( IEEE , 2008 , Conference Paper)This research aims at to assess the impact of natural hazards on the human activities and development planning held along the eastern coastal stretch of the Gulf of Suez. Change detection technique was used in combined ... -
Hybrid plamonic conductor-gap-silicon microring-on-disks electro-optic modulator
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)In this work, we propose a novel design of a double microring-on-disk electro-optic modulator based on hybrid plasmonic conductor-gap-silicon platform utilizing the electromagnetic induced transparency response. The modulator ... -
Low-Temperature CO Oxidation Over CuO-TiO2 Nanocatalysts
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Among the diverse catalytic processes, the heterogeneous catalytic CO oxidation is an important reaction for removal of small amounts of poisoning CO in fuel cell applications and environmental remediation. Therefore, there ... -
Natural Dyes in Cyanide and Anion Sensing
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Cyanide is one of anions of concern due to its high toxicity. It causes death at a low dosage (2.6 mM) and the allowable level should be lower than 1.9 mmolar according to World health Organization (WHO). Cyanide contamination ... -
Near infrared plasmonic sensor based on Fano resonance
( SPIE , 2016 , Conference Paper)We introduce a compact plasmonic resonator that is capable of generating a Fano resonance in the transmission spectrum. The Fano resonance is observed with its unique lineshape. The proposed design is simple, compact, easy ... -
Novel Ni-B/AlN nanocomposite coatings for oil and gas industry
( National Assoc. of Corrosion Engineers International , 2018 , Conference Paper)Corrosion is a major cause of materials and equipment failure in the oil and gas industry, and its prevention is crucial to ensure reliability of the assets. Towards, this goal, Ni-B/AlN nanocomposite coatings were synthesized ... -
Optical biosensor based on ultrathin SOI waveguides
( Optica Publishing Group (formerly OSA) , 2020 , Conference Paper)We introduce an optical biosensor utilizing the MMI configuration and based on the ultrathin SOI platform. The biosensor was optimized using finite difference time domain simulations. A sensitivity of 420 nm/RIU was achieved. -
Optical modulator based on silicon nanowires racetrack resonator
( SPIE , 2018 , Conference Paper)An optical modulator based on the racetrack resonator configuration is introduced.The structure of the resonator modulator is built from silicon nanowires on silica.The cladding and voids between the silicon nanowires are ... -
Optimization Of The Electronic And Optical Properties Of Tio2 For Clean Fuel Production
( Hamad bin Khalifa University Press (HBKU Press) , 2014 , Conference Paper)Among different crystal structures and morphologies of TiO2, vertically oriented anatase nanotube arrays show the highest activity for solar energy conversion. However, the long-standing bottleneck is the fact that TiO2 ... -
Phospholipid fatty acid composition of nine marine sponges from Qatar
( IFREMER , 1998 , Conference Paper)Phospholipid fatty acid composition was studied in sponge from Qatar including eight Demospongia and one Calcarea. More than 60 fatty acids were identified in each species as methyl esters and N-acyl pyrrolidides by gas ...
