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75 Newest Publications about the topic water baths
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Design of rapidly synergistic cloud point extraction of ultra-trace lead combined with flame atomic absorption spectrometry determination
27-08-2011 | Microchemical Journal, 2011
In this work, traditional cloud point extraction (CPE) pattern was changed and improved by the proposed rapidly synergistic CPE. Using octanol as cloud point revulsant and synergic reagent, non-ionic surfactant Triton X-114 (TX-114) accomplished room temperature extraction rapidly without ...
Microanalysis of the antiretroviral nevirapine in human hair from HIV-infected patients by liquid chromatography-tandem mass spectrometry
17-08-2011 | Analytical and Bioanalytical Chemistry, 2011
Abstract Sufficient drug exposure is crucial for maintaining durable responses to HIV treatments. However, monitoring drug exposure using single blood samples only provides short-term information and is highly subject to intra-individual pharmacokinetic variation. Drugs can accumulate ...
The sonochemical decolorisation of textile azo dye CI Reactive Orange 127
01-08-2011 | Celalettin Özdemir; Muhammed K Öden; Serkan Şahinkaya; Dünyamin Güçlü, Coloration Technology, 2011
In the present study, Fenton and sono‐Fenton processes were applied to the oxidative decolorisation of synthetic textile wastewater including CI Reactive Orange 127 and polyvinyl alcohol. Process optimisation [pH, ferrous ion (Fe2+) and hydrogen peroxide (H2O2)], kinetic studies and their ...
An investigation of methodology and apparatus to assess twist liveliness of spun yarns
29-07-2011 | Charlotte Marion Murrells, Bingang Xu, Xiaoming Tao, Fibers and Polymers, 2011
A methodology and apparatus have been proposed to indirectly evaluate twist liveliness of spun yarns by measuring the number of snarl turns formed of a yarn submerged in a water bath. A comparative study was carried out to evaluate the effectiveness of water in the measurement of yarn snarls. ...
Modified ionic liquid cold-induced aggregation dispersive liquid-liquid microextraction followed by atomic absorption spectrometry for trace determination of zinc in water and food samples
21-07-2011 | Mohsen Zeeb, Mahdi Sadeghi, Microchimica Acta, 2011
We report on a new method for the microextraction and determination of zinc (II). The ion is accumulated via ionic-liquid cold-induced aggregation dispersive liquid-liquid microextraction (IL-CIA-DLLME) followed by flame atomic absorption spectrometry (FAAS). The ionic liquid (IL) ...
Adsorption of 125I on palladium coated silver wire
10-07-2011 | Jiaheng He, Hu Song, Yuan Jian, Lin Jiang, Wenbin Zhong, Xinliang Li, Zongping Ma, Guoping Liu, Journal of Radioanalytical and Nuclear Chemistry, 2011
The adsorption of 125I on palladium coated silver wires was studied in this paper. The experimental conditions, e.g., reaction volume, carrier concentration, reaction time, reaction temperature, pH of the reaction mixture, were systematically optimized to obtain quantitative adsorption of ...
Ultrasound‐assisted emulsification microextraction based on solidification of floating organic droplet combined with HPLC‐UV for the analysis of antidepressant drugs in biological samples
01-06-2011 | Ebrahimzadeh, Homeira; Saharkhiz, Zahra; Tavassoli, Marya; Kamarei, Fahimeh; Asgharinezhad, Ali Akbar, Journal of Separation Science, 2011
Abstract Ultrasound‐assisted emulsification microextraction based on the solidification of floating organic droplet combined with high‐performance liquid chromatography‐ultra violet (HPLC‐UV) detection was applied for the extraction and determination of fluoxetine, citalopram, and ...
A novel in vitro model for preclinical testing of the hemocompatibility of intravascular stents according to ISO 10993-4
22-05-2011 | Stefan Sinn, Torsten Scheuermann, Stephan Deichelbohrer, Gerhard Ziemer, Hans P. Wendel, Journal of Materials Science: Materials in Medicine, 2011
Subacute stent thrombosis, caused by undesired interactions between blood and the stent surface, is a major concern in the first few weeks following coronary artery stent implantation. The aim of this study was to establish a novel in vitro model for hemocompatibility testing of coronary ...
Preparation and characterization of PVDF microporous membrane with highly hydrophobic surface
01-05-2011 | Qian Li, Zhen-Liang Xu, Min Liu; Qian Li; Zhen‐Liang Xu; Min Liu, Polymers for Advanced Technologies, 2011
Abstract Using the mixture of triethyl phosphate (TEP) and N,N‐dimethylacetamide (DMAc) as solvent, PVDF microporous membranes with highly hydrophobic surface were prepared by a modified NIPS method with a dual coagulation process. The effects of the exposure time on these membranes before ...
1H NMR INVESTIGATION OF OIL OXIDATION IN MACADAMIA NUTS COATED WITH ZEIN‐BASED FILMS
26-04-2011 | COLZATO, M.; SCRAMIN, J.A.; FORATO, L.A.; COLNAGO, L.A.; ASSIS, O.B.G., Journal of Food Processing and Preservation, 2011
ABSTRACT The effectiveness of corn‐zein edible coatings in blocking oil oxidation on macadamia nuts was studied by using high‐resolution Hydrogen Nuclear Magnetic Resonance (1H NMR) spectroscopy. Formulations with a zein concentration of 4.0% by weight and oleic acid (OA) as a plasticizer ...
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