Browsing Academic by Subject "Toxicity"
Now showing items 1-20 of 38
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Agrotis segetum midgut putative receptor of Bacillus thuringiensis vegetative insecticidal protein Vip3Aa16 differs from that of Cry1Ac toxin
( Elsevier Inc. , 2013 , Article)Considering the fact that Agrotis segetum is one of the most pathogenic insects to vegetables and cereals in the world, particularly in Africa, the mode of action of Vip3Aa16 of Bacillus thuringiensis BUPM95 and Cry1Ac of ... -
Analysis of fatalities involving amphetamine in Jazan, Saudi Arabia
( Elsevier , 2021 , Article)Amphetamine use is associated with high tendence of homicidal or suicidal deaths and fatalities making amphetamine a persistent area of concern. This study analyzed fatalities associated with amphetamine use in Jazan city, ... -
Assessment of SnO2 nanoparticles' impact on local Pichoclorum atomus growth performance, cell morphology and metabolites content
( Qatar University Press , 2021 , Poster)Oxide nanoparticles are among the most used nanomaterials and have received considerable attention over their potential ecological effects. Increasing investigations report toxicity of certain oxide nanoparticles, however, ... -
Biocompatibility and toxicity of novel iron chelator Starch-Deferoxamine (S-DFO) compared to zinc oxide nanoparticles to zebrafish embryo: An oxidative stress based apoptosis, physicochemical and neurological study profile.
( Elsevier , 2019 , Article)Clinically approved iron chelators are effective in decreasing significant transfusional iron accumulation. Starch-Deferoxamine (S-DFO), a novel high molecular weight iron chelator, was produced to increase binding capacity ... -
Box-Behnken approach for optimization of Cr(III) removal from a real tanning effluent using powdered marble
( Springer Science and Business Media Deutschland GmbH , 2022 , Article)During the tanning step, 30-40% of trivalent chromium remains in the solid and liquid wastes, generating highly polluted sewage. In this study, powdered marble was used as a low-cost adsorbent to remove trivalent chromium ... -
Comparative study of Bacillus thuringiensis Cry1Ia and Cry1Aa delta-endotoxins : activation process and toxicity against Prays oleae
( Elsevier Inc. , 2010 , Article)Cry1Ia and Cry1Aa proteins exhibited toxicities against Prays oleae with LC(50) of 189 and 116 ng/cm(2), respectively. The ability to process Cry1Ia11 protoxin by trypsin, chymotrypsin and P. oleae larvae proteases was ... -
Construction of a Bacillus thuringiensis genetically-engineered strain harbouring the secreted Cry1Ia delta-endotoxin in its crystal
( Springer Netherlands , 2011 , Article)Unlike other Bacillus thuringiensis Cry proteins, Cry1 Ia does not form a crystal since it is a secreted delta-endotoxin. We have engineered a Cry1 Iac chimeric protein by substituting the C-terminal part of Cry1 Ia by the ... -
Current status of CO2 capture with ionic liquids: Development and progress
( Elsevier , 2023 , Article)Global warming triggered by greenhouse gas (GHG) emissions, particularly carbon dioxide (CO2), significantly influences climate change and has become a common environmental issue recently. The current amine-based technologies ... -
Dasatinib and PD-L1 inhibitors provoke toxicity and inhibit angiogenesis in the embryo
( Elsevier , 2021 , Article)Dasatinib is a targeted cancer therapy, while programmed death ligand 1 (PD-L1) inhibitors are a form of immune checkpoint therapy used to treat various types of cancers. Several studies showed the potential efficacy of ... -
Decontamination of toxic Malathion pesticide in aqueous solutions by Fenton-based processes: Degradation pathway, toxicity assessment and health risk assessment
( Elsevier B.V. , 2022 , Article)This study evaluates the degradation efficiency of Malathion using Fenton (Fe2+/H2O2: F), photo-Fenton (UV/Fe2+/H2O2: PF), and sono-photo Fenton (US/UV/Fe2+/H2O2: SPF) processes as well as determines the toxicity of the ... -
Developments in the application of nanomaterials for water treatment and their impact on the environment
( MDPI AG , 2020 , Article)Nanotechnology is an uppermost priority area of research in several nations presently because of its enormous capability and financial impact. One of the most promising environmental utilizations of nanotechnology has been ... -
Differential oxidative stress responses to methanol in intraperitoneally exposed rats: Ameliorative effects of Opuntia vulgaris fruit extract
( SAGE Publications , 2012 , Article)Methanol is primarily metabolized by oxidation to formaldehyde and then to formate. These processes are accompanied by formation of superoxide anion and hydrogen peroxide. This article reports data on the effect of ... -
Effects of microplastics’ physical and chemical properties on aquatic organisms: State-of-the-art and future research trends
( Elsevier , 2023 , Article)Microplastics (MPs) pose a global threat to marine ecosystems, little is known about the factors that influence their bioavailability. Microplastics have the ability to adsorb contaminants from the environment, as well as ... -
Efficacy and safety of tocilizumab in COVID-19 patients: a living systematic review and meta-analysis
( Elsevier , 2021 , Article)ObjectivesCytokine release syndrome with elevated interleukin-6 (IL-6) levels is associated with multiorgan damage and death in severe coronavirus disease 2019 (COVID-19). Our objective was to perform a living systematic ... -
Emerging innate biological properties of nano-drug delivery systems: A focus on PAMAM dendrimers and their clinical potential
( Elsevier , 2021 , Article)Drug delivery systems or vectors are usually needed to improve the bioavailability and effectiveness of a drug through improving its pharmacokinetics/pharmacodynamics at an organ, tissue or cellular level. However, emerging ... -
Heavy metal ions removal from industrial wastewater using magnetic nanoparticles (MNP)
( Elsevier B.V. , 2020 , Article)A novel iron oxide magnetic nanoparticles (MNPs) grafted on hyperbranched polyglycerol (HPG) polymer were synthesized, characterized and tested for heavy metals (Ni, Cu and AL) removals from secondary effluent industrial ... -
Improvement of Photorhabdus temperata strain K122 bioinsecticide production by batch and fed-batch fermentations optimization
( Springer-Verlag , 2012 , Article)Optimization of a fermentation process for bioinsecticides production by Photorhabdus temperata strain K122 was investigated into fully controlled 3-L fermenter using an optimized medium (OM). Development of large-scale ... -
Mesoporous silica coated carbon nanofibers reduce embryotoxicity via ERK and JNK pathways
( Elsevier Ltd , 2021 , Article)Carbon nanofibers (CNFs) have been implicated in biomedical applications, yet, they are still considered as a potential hazard. Conversely, mesoporous silica is a biocompatible compound that has been used in various ... -
Microalgal bioremediation of petroleum-derived low salinity and low pH produced water
( Springer Netherlands , 2019 , Article)Due to the presence of toxic organic compounds and heavy metals, it is essential to treat the produced water before reuse or discharge to the environment. In this study, produced water sample was collected from a local ... -
MXene Nanosheets May Induce Toxic Effect on the Early Stage of Embryogenesis.
( American Scientific Publishers , 2020 , Article)MXene (Ti₃C₂T), as a novel 2D material, has produced a great interest due to its promising properties in biomedical applications, nevertheless, there is a lack of studies dedicated to investigate the possible toxic effect ...