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33 results for “surfactant”
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Research ArticleOpen accessIn the keywordsIn Vitro Metabolism Studies of Polybrominated Diphenyl Ethers Using Rat and Human Liver MicrosomesShun Wen Cheng, Kathleen Randall, Anne T. KotchevarA number of studies have recently reported the bioaccumulation of the commonly used fire retardants, Polybrominated Diphenyl Ethers (PBDEs), in humans and wildlife. Exposure of animals to PBDEs has been shown to result in developmental neurological, reproductive abnormalities and the disruption of endocrine function. Thyroid hormone equilibria was also shown to be altered by PBDE exposure. There is evidence that … …American Journal of Biochemistry and Biotechnology, Vol. 4, Issue 3 · 30 Sep 2008 · 6,998 accessesView PDFCite
Literature ReviewOpen accessIn the keywordsOptimizing the Surface-Active Performances of Cat-Anionic Mixtures: A Short ReviewCamillo A. La MesaMixtures of oppositely charged surfactants are used for applications requiring extensive foaming. This holds true for cat-anionic systems. Their bulk behavior is known in detail, when surface, or interface, properties do not attract the same attention. The thermodynamic features of such systems and the strategies interrelating the behavior in bulk to that at surfaces are outlined. Such systems are strongly … …American Journal of Engineering and Applied Sciences, Vol. 16, Issue 4 · 4 Nov 2023 · 4,931 accessesView PDFCite
Research ArticleOpen accessIn the abstractSystematic Optimization of Ganoderma lucidum Polysaccharide Fermentation: A Guidance for IndustrializationBin Yang, Junhu Kai, Dehui Dai et al.Ganoderma Lucidum Polysaccharide (GLP) is one of the main active components of G. lucidum and a promising prebiotic for various diseases. Maximizing the production of GLP and minimizing the cost is important for the widespread use of GLP in the food/feed and pharmaceutical industries. The purpose of the present study was to optimize the fermentation condition of a single G. … …American Journal of Biochemistry and Biotechnology, Vol. 19, Issue 4 · 30 Jan 2024 · 5,737 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffect of the Tensioactive Agent SDS on Extender’s Boar Semen Viability after ThawingMaria Helena Moreira da Silva, Loide Valadão, Fernando Moreira da SilvaEffects of the surfactant Sodium Dodecyl Sulfate (SDS) on the motility and viability of boar semen after thawing were evaluated. For such purpose, semen of twelve adult boars was collected twice a week, the rich portion of this semen was separated and frozen with different concentrations of SDS (0; 2.5; 5; 10; 20 and 40 mM). For freezing the semen … …American Journal of Applied Sciences, Vol. 18, Issue 1 · 20 Jan 2021 · 7,795 accessesView PDFCite
Review ArticleOpen accessIn the abstractPermanent Magnetic FluidsNicolae Petrescu, Florian Ion Tiberiu PetrescuA team of researchers at the University of Massachusetts Amherst has accidentally obtained the first magnetized permanent liquid in the world, the droplets of this liquid moving in unison and able to associate in different forms while being manipulated exterior by means of a magnet, according to a new study published in the latest issue of the journal Science, reports … …American Journal of Engineering and Applied Sciences, Vol. 12, Issue 3 · 22 Aug 2019 · 8,842 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Contamination Degree of Characteristic Fungi in Jet Fuel Detected by ATP BioluminescenceZezhen Li, Yun Xiong, Bo Chen, ZhenQiao MaAdenosine Triphosphate (ATP) lysate of the characteristic fungi in jet fuel was screened and three fluorescein-luciferase systems were compared in the paper. The correlation between ATP bioluminescence and traditional plate count for measuring the number of microorganism was also investigated and then a method of detecting the contamination degree of the characteristic fungi of jet fuel by ATP bioluminescence were … …American Journal of Biochemistry and Biotechnology, Vol. 14, Issue 2 · 28 May 2018 · 10,519 accessesView PDFCite
Research ArticleOpen accessIn the abstractEfficiency of EDTA and TWEEN 80 for the Removal of Chromium using Soil Washing TechnologiesPantawat Sampanpanish, Nawaporn ThetthotsapornThe study on the efficiency of chelate and surfactant for the removal of chromium using soil washing technology of which the chelate is EDTA and surfactant is TWEEN 80 at concentrations of 8, 16 and 32 millimoles was separately conducted. The experiment soil was synthetic soil with chromium contamination for 2 years. In this study, 20 g of contaminated soil … …American Journal of Applied Sciences, Vol. 15, Issue 1 · 18 Jan 2018 · 8,331 accessesView PDFCite
Research ArticleOpen accessIn the abstractThermogravimetric Analysis (TGA) Profile at Different Calcination Conditions for Synthesis of PTES-SBA-15Norhasyimi Rahmat, Nurjihan Sadon, Muhammad Abeed YusofThe aim of this work is to study the effects of calcination condition on the properties of mesoporous silica, SBA-15 modified with phenyl group of organosilane. Functional group SBA-15 were synthesized and hydrothermally aged. The surfactant template was conventionally removed by calcination at varied temperature and duration. Thermogravimetric Analysis (TGA) was employed to characterize the pure and modified SBA-15. The … …American Journal of Applied Sciences, Vol. 14, Issue 10 · 7 Apr 2017 · 8,453 accessesView PDFCite
Research ArticleOpen accessIn the abstractLarge Scale Synthesis of ZnO Nanostructures of Different Morphologies through Solvent-free Mechanochemical Synthesis and their Application in Photocatalytic Dye DegradationRaúl Sánchez Zeferino, Jesús Alberto Ramos Ramón, Ma. Eunice de Anda Reyes et al.Well crystalline, near-stoichiometric zinc oxide nanostructures of different morphologies are fabricated in large scale, utilizing a simple, cost effective mechanochemical synthesis in absence of solvent. Effects of ionic and nonionic surfactants along with the concentration of hydrolyzing agent on the evolution of nanostructure morphology have been studied. It has been observed that while a cationic surfactant such as Cetyltrimethylammonium Bromide … …American Journal of Engineering and Applied Sciences, Vol. 9, Issue 1 · 16 Jan 2016 · 8,932 accessesView PDFCite
Research ArticleOpen accessIn the abstractRegeneration of Lyes for Cleaning-In-Place (CIP) Processes in Dairies: Comparison of Recycled Potash and Soda Solutions Cleaning PropertiesMarie Furic, Anne Elain, Walid Blel, Olivier SireThe regeneration of lyes for their integration in the dairy CIP was investigated applying an original process combining adsorption/coagulation and flocculation operations. Solutions of potassium hydroxide (KOH) and caustic soda (NaOH) soiled with 1% (v/v) of whole milk were submitted up to twenty successive regeneration cycles. The multiple recycling of the regenerated solutions was found to modify their physicochemical characteristics … …American Journal of Applied Sciences, Vol. 12, Issue 5 · 6 Jul 2015 · 6,624 accessesView PDFCite