Copper - Analysis
Analysis of organic contaminants and copper in cachaça.
... AND COPPER IN ...and copper were determined by colorimetric reactions, while the analyses of ethyl carbamate and acrolein were performed by GC/ MS and HPLC, ...and copper were ...
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Chemical analysis of copper salts manufactured between 1877 and 1995.
... CHEMICAL ANALYSIS OF COPPER SALTS MANUFACTURED BETWEEN 1877 AND ...of copper compounds covering all of the XXth century and the end of the XIXth century were submitted to classical and instrumental ...
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Speciation analysis of copper and lead in Tubarão River sediment using the Tessier sequential extraction procedure.
... SPECIATION ANALYSIS OF COPPER AND LEAD IN TUBARÃO RIVER SEDIMENT USING THE TESSIER SEQUENTIAL EXTRACTION ...the analysis of sediment samples from Tubarão ...
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Análise da transferência de calor e massa em um tubo de calor em circuito em cobre: Heat and mass transfer analysis of a copper loop heat pipe
... the copper sample removal from the stainless steel ...image analysis. The digital image analysis was performed with a reflected light microscope at the Characterization Materials Laboratory (LCM/UFSC ...
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Speciation analysis of copper and zinc using differential pulse anodic stripping voltammetry.
... SPECIATION ANALYSIS OF COPPER AND ZINC USING DIFFERENTIAL PULSE ANODIC STRIPPING ...speciation analysis of the metals copper and zinc as total, total dissolved, labile, as well as complexation ...
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Proteomic Analysis of Copper-Binding Proteins in Excess Copper-Stressed Roots of Two Rice (Oryza sativa L.) Varieties with Different Cu Tolerances.
... Copper-binding protein maps produced from 2-DE gels showed high reproducibility among the three independent extractions. Fig 1 shows representative gels of Cu-IMAC-binding proteins extracted from control and ...
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Geology of the Riacho do Pontal iron oxide copper-gold (IOCG) prospect, Bahia, Brazil: hydrothermal alteration approached via hierarchical cluster analysis
... Structural analysis indicates a strong relationship between the development of ductile to brittle-ductile shear zones and associated ...Several copper occurrences have been mapped within the Riacho do ...
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Comparative proteomic analysis of the molecular responses of mouse macrophages to titanium dioxide and copper oxide nanoparticles unravels some toxic mechanisms for copper oxide nanoparticles in macrophages.
... The dissolved copper concentration was then determined using a colorimetric assay [34]. Briefly, 1ml of cell extract was first cooled in an ice bath for 30 minutes. TCA was added to a 5% w/v final concentration, ...
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Analysis of nickel-copper metallic foam supercapacitor for electric vehicles with hybrid battery-supercapacitor energy storage system
... transmission shaft between the electric motor and vehicle front wheels (driven axle). The proposed angular speed profile has matched the scope output values, as well as for the resulting current profile, therefore ...
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A copper(II) complex of a semicarbazone : crystal structure, spectroscopic analysis and cytotoxicity against human cancer cell lines
... and copper is an essential trace metal for both animals and ...of copper-based com- plexes have been extensively investigated as potential antitumor agents ...that copper(II) is generally chelated by ...
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S TRUCTURE- FUNCTION ANALYSIS OF M ULTI - COPPER OXIDASES
... losing copper during ...2 copper was also observed in the case of bilirubin oxidase where an aspartate residue close to that site has been mutated (Kataoka , ...T2 copper centre that would confirm ...
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Vibration analysis of angular contact ball bearing operated with copper oxide nanoparticles mixed ISO VG 68 lubricating oil
... of Copper was preferred as an additive to most of lubricating oil because of low cost, high thermal conductivity and low coefficient of friction 2*46 ...that copper oxide nano particle operates in the ...
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Spectrophotometric determination of zinc and copper in a multisyringe injection analysis system using a liquid waveguide capillary cell: Application to natural waters
... quantify copper and zinc, an option was made to use the colorimetric reagent zincon that reacts with both analytes at different pH ...and copper in ...
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The homeostasis of iron, copper, and zinc in Paracoccidioides brasiliensis, Cryptococcus neoformans var. grubii, and Cryptococcus gattii: a comparative analysis
... Zinc homeostasis is maintained by posttranslational and tran- scriptional homeostatic regulatory mechanisms ( Lyons et al., 2000; Eide, 2003 ). Unlike iron and copper, zinc is taken up as divalent cation. Once ...
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Analysis of tomato seedling cell death in response to copper and paraquat induction
... to copper induction, suggesting that the acceleration of an apoptosis process was possibly associated with mechanisms related to higher production of ...both copper and paraquat suggest enzymatic processes ...
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The analysis of damage threshold in the ruby laser interaction with copper and aluminium
... višekratno delovanje na istu zonu, da bi se dobili zado- voljavajući rezultati, ako se ova gustina energije koristi u procesu čišćenja metalne površine od depozita. SEM i EDX analize p[r] ...
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REMOVAL OF COPPER IN CACHAÇAS USING CLAYS
... that copper can be harmful to human health when it is in concentrated form in the beverage and is ingested in large ...excess copper. The kinetic parameters and the adsorption isotherms for copper on ...
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COPPER AVAILABILITY AS RELATED TO SOIL COPPER FRACTIONS IN OXISOLS UNDER LIMING
... Organic Matter Fraction (OM) – To the Ex free soil sample 10 mL of NaClO 5-6% at pH 8.5 were added; the system was heated to 100°C during 30 min., shacking from time to time; the sample was, thereafter, centrifuged and ...
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Copper-containing nitrite reductase from Pseudomonas chlororaphis
... 2 copper centers, as in all copper-containing Nirs des- cribed so ...both copper centers in a Cu-Nir was performed: type 2 copper (T2Cu), 172 mV and type 1 copper (T1Cu), 298 mV at pH ...
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Potentiometric method for copper determination in sugarcane spirit.
... FOR COPPER DETERMINATION IN SUGARCANE ...of copper. Copper in “cachaça” was determined by titration with EDTA, using a homemade copper membrane electrode for end-point ...routine ...
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