aqueous samples
Freezing adversely affects measurement of vascular endothelial growth factor levels in human aqueous samples
... Methods: Aqueous samples collected from patients receiving intravitreal injection of bevacizumab for various retinal diseases were divided into two ...
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An optical sensor for selenite determination in aqueous samples
... of variamine blue dye in presence of sodium acetate. In this step, oxidation of the dye takes place and the membrane shows a color change from yellow to violet and a shift in the absorption maxima from 355 to 550 nm. ...
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Extraction of Insignificant Amounts of Phenols in Walnut (Juglans Regia) in Aqueous Samples
... in aqueous samples using carbon nanotubes and visible and ultraviolet spectrophotometry measurement in biologic samples is used in his ...phases, aqueous donor phase and conjugated carbon ...
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A modified method of separating Tl(I) and Tl(III) in aqueous samples using solid phase extraction
... Natural aqueous samples with elevated Tl are usually characterized by high concentrations of other cations and anions as well, and these other ions could in princi- ple interfere with the ...two ...
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Dispersive liquid-liquid microextraction methods for the determination of Triazine herbicides in aqueous samples
... This research introduces two simple, rapid and sensitive microextraction methods namely dispersive liquid-liquid microextraction (DLLME) and dispersive liquid-liquid microextraction based on solidification of floating ...
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Ordered Nanoporous Carbon Based Solid-Phase Microextraction for the Analysis of Nitroaromatic Compounds in Aqueous Samples
... from aqueous samples has been studied and parameters that have some effect on microextration process were optimized by Taguchi method and orthogonal array design ...
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Adsorption studies for removal of trace copper metal ions from aqueous samples using magnetic nanoparticles
... from aqueous solutions, including zeolite [11], activated carbon [12], kaolinite [13], diatomite [14], functionalized polymers [15], chitosan [16], and alumina ...
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Single Drop Microextraction of Biphenyl and Biphenyl Oxide in Aqueous Samples by Gas Chromatography Flame Ionization Detection
... to aqueous phase ratio, leading to the development of solvent mi- croextraction ...an aqueous do- nor solution into a microdrop of an organic acceptor sol- vent suspended to the tip of a ...
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Improved Preconcentration of Triazines from Aqueous Samples in a Supported Liquid Membrane with Electric Field
... the aqueous to the organic phase, as its partition coefficient for the neutral species is small, while the partition coefficient for the ionic species has a high negative value; the more negative this value, the ...
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VALIDATION OF LC-MS/MS METHOD FOR THE QUANTIFICATION OF NORETHINDRONE IN HUMAN PLASMA
... Norethindrone is chemically 17-Hydroxy-19-Nor-17α-pregn-4-en-20-yn-3-one. Norethindrone [NOR] and on pharmacodynamic variables that may be increased in the event of reduced contraceptive efficacy (concentrations of serum ...
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Antimicrobial Fabric Coated With Vetiveriazizanioides Extract for Healthcare Application
... the aqueous samples were high at the initial level ,later on the fabric were subjected to washing test it gets reduced as compared with solvent mode of ...of aqueous method, but due to washing herbal ...
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Comparative evaluation of Ayurvedic nebulizing fluid for antihistaminic and antitussive activity
... test samples nebulizing formulations prepared from bark and heartwood were administered, respectively, to Groups II-IV, ...containing aqueous saturated sodium hydrogen sulfite (Na 2 SO 3 ) solution is ...
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Sample Preparation In Bioanalysis: A Review
... fluid samples prior to analysis Protein precipitation plates can be used in a wide range of aqueous and organic sample preparation including total drug analysis and sample preparation prior to HPLC or ...
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Effect of Vidarikand (Extracts) on Oxidative Stability of Ghee: A Comparative Study
... Ghee Samples by Using Rancimat 743 The effect of herb extracts, ...and aqueous), rosemary (ethanolic), green tea (aqueous) and synthetic antioxidants (BHA and TBHQ) incorporation on oxidative ...
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Adsorption of Dye Eosin from an Aqueous Solution on two Different Samples of Activated Carbon by Static Batch Method
... M. Husseien, A. A. Amer, Azza, El-Maghraby, Nahla. A. Tahaused [6] used barley straw as a raw material to produce activated carbon and utilized it as a source for removal of Methylene Blue from simulated aqueous ...
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Smoke-Cued Emergence in Plant Species of Ponderosa Pine Forests: Contrasting Greenhouse and Field Results
... bank samples in the greenhouse, other cues might be more im- portant in the ...to aqueous smoke application in Australia Banksia woodlands had a diminished response to smoke compared to undisturbed ...
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Journal of Applied Pharmaceutical Science
... tea samples (A, B, C, D and E) of “insulin plant” were acquired in the form of dried leaves in drugstores and specialized stores of phytoterapy, at the cities of Lavras, Uberaba and Juiz de Fora, all of them at ...
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Use of Fluorescence Resonance Energy Transfer Hybridization Probes To Evaluate Quantitative Real Time PCR for Diagnosis of Ocular Toxoplasmosis
... cases. Samples of aqueous humor and serum were drawn for the quantification of specific antibodies and molecular analysis at the time of clinical diagnosis (prior to the onset of ...
5
Synthesis and characterization of chitosanbasedgraftcopolymers for drug release applications
... polymeric samples were dipped for 24 hrs in 10 mL solution of concentration 100 ...polymeric samples. Then drug loaded polymeric samples were put in 10 mL buffer solution of pH ...
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Simultaneous Determination of Disinfection By-products in Water Samples from Advanced Membrane Treatments by Headspace Solid Phase Microextraction and Gas Chromatography-Mass Spectrometry
... water samples from application research units, which treated water from various origins (wastewater, brackish water and sea water), showing good performance in the different types of studied ...
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