تصفح حسب الموضوع "chemistry"
السجلات المعروضة 21 -- 27 من 27
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Postoperative administration of the acetylcholinesterase inhibitor, donepezil, interferes with bone healing and implant osseointegration in a rat model
( MDPI AG , 2020 , Article)Donepezil is an acetylcholinesterase inhibitor commonly used to treat mild to moderate Alzheimer?s disease. Its use has been associated with increased bone mass in humans and animals. However, the effect of postoperative ... -
Preparation and characterization of green graphene using grape seed extract for bioapplications
( Elsevier Ltd , 2016 , Article)The development of functionalized graphene materials concerning health and environmental aspects via green approaches is currently the most recent topic in the field of nanoscience and nanotechnology. Herein, we report the ... -
Prevalence of microplastics in the marine waters of Qatar
( Elsevier Ltd , 2016 , Article)Microplastics are firmly recognized as a ubiquitous and growing threat to marine biota and their associated marine habitats worldwide. The evidence of the prevalence of microplastics was documented for the first time in ... -
Response to: "Cancer risk due to contamination: Consideration from market basket survey in Qatar"
( Elsevier , 2014 , Other)We welcome the comments on our article entitled “A market basket survey of As, Zn and Se in rice imports in Qatar: Health implications” (Rowell et al., 2014). The commenter opens up the debate on what constitutes a safe ... -
Sensitive detection and glycoprofiling of a prostate specific antigen using impedimetric assays
( Royal Society of Chemistry , 2016 , Article)This study presents a proof-of-concept for the development of an impedimetric biosensor for ultra-sensitive glycoprofiling of prostate specific antigen (PSA). The biosensor exhibits three unique characteristics: (1) analysis ... -
Soft-shear induced phase-separated nanoparticle string-structures in polymer thin films
( Royal Society of Chemistry , 2016 , Article)Application of shear stress has been shown to unidirectionally orient the microstructures of block copolymers and polymer blends. In the present work, we study the phase separation of a novel nanoparticle (NP)-polymer blend ... -
Synthesis of Podlike Magnetic Mesoporous Silica Nanochains for Use as Enzyme Support and Nanostirrer in Biocatalysis
( American Chemical Society , 2020 , Article)Magnetic mesoporous materials have attracted great interest due to their combined property of magnetic nanomaterials and mesoporous materials as well as their potential applications in catalysis, bioenrichment, drug delivery, ...