[PDF] Top 20 Prevalência e fatores associados à enteroparasitoses em escolares
Has 10000 "Prevalência e fatores associados à enteroparasitoses em escolares" found on our website. Below are the top 20 most common "Prevalência e fatores associados à enteroparasitoses em escolares".
Optimization of Electrochemical Detection of L-Ascorbic Acid from Plant Food Supplements Using Screen Printed Transducers
... enriched plant sources of vitamin C - in a range of 114 to 1550 mg per 100 grams with an average content (695 mg per 100 grams) about 15 times greater than oranges (45 mg per 100 grams) ... See full document
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An Electrochemical Detection of Vanillin Based on Carbon Black Nanoparticles Modified Screen Printed Carbon Electrode
... derived from various tropical plants. Mostly, natural vanillin is derived from the vanillin orchid planiforia and beans ...of food materials due to its high ...in food additives should not ... See full document
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Highly Sensitive Voltammetric Sensor for Determination of Ascorbic Acid Using Graphite Screen Printed Electrode Modified with ZnO/Al2O3 Nanocomposite
... and electrochemical methods, such as, potentiometry, polarography and voltammetry ...methods, electrochemical methods have attracted more attention in last two decades for food and biological ... See full document
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Electrochemical Behavior and the Detection Limit of Ascorbic Acid on a Pt Modified Electrode
... The electrochemical behavior of ascorbic acid (AA) at the DL-Alanine (DL-Ala) polymer film modified platinum electrode (DL-Ala/Pt electrode) had been studied by using cyclic ...the ... See full document
10
Sensitive Electrochemical Detection of Creatinine at Disposable Screen-Printed Carbon Electrode Mixed with Ferrocenemethanol
... the electrochemical strips exhibit the good reproducibility and the intra- assay and inter-assay coefficient of variation of creatinine ...creatinine detection in blood ... See full document
5
Gold Nanoparticle-Decorated Single-Walled Carbon Nanotubes as a Catalytic Amplification Platform for the Electrochemical Detection of Alkaline Phosphatase Activity
... The detection of alkaline phosphatase (ALP) activity is of great significance in many biomedical applications and for understanding the functional mechanism of ALP-related biological ...sensitive ... See full document
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Disposable screen printed sensor for the electrochemical detection of delta-9-tetrahydrocannabinol in undiluted saliva
... ples from cannabis smokers at SWOV Institute for Road Safety Research, The Hague, ...obtained from each of four ...collected from each donor at 30 min intervals for the following 4 ...collected ... See full document
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Tannins acid, Ascorbic acid and Fluoride from Khat Chewing Plant
... The presence of fluoride in khat is mentioned in several studies [28,29]. This substance is mainly related to enamel remineralization. Several methods are available to detect fluoride. SPADNS spectrophotometric method is ... See full document
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Estimation Of Tea Polyphenols By Electrochemical Sensors Via Screen Printed Electrodes
... gallic acid and (- ...(gallic acid, epigallocatechin, (+)-catechin-hydrate, caffeic acid, (-)-epicatechin) in comparison to the black ...different electrochemical sensors and HPLC ... See full document
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Electrochemical Detection of Dopamine in the Presence of Ascorbic Acid Using Overoxidized Polypyrrole/Graphene Modified Electrodes
... The reproducibility and stability of the sensor was evaluated. Three PPyox/graphene/GCEs were made and their CVs responses to DA were investigated. The relative standard deviation (RSD) of sensitivity to DA was 4.30 % ... See full document
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Simultaneous electrochemical determination of ascorbic acid, dopamine and uric acid using hollow gold nanospheres modified electrode
... In order to assess its potential application, the HGNs/PGE was used to detect the contents of UA in human urine and blood serum samples. The urine samples were collected from the lab personnel, and the blood serum ... See full document
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An Extreme Vertices Mixture Design Approach to Optimization of Tyrosinase Inhibition Effects
... materials from Emblica extract, and synergistically with synthetic substances from the L-Ascorbic acid and Kojic acid ...gallic acid and ellergic acid [9]. Gallic ... See full document
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Screen-printed Electrode Based Electrochemical Sensor for the Detection of Isoniazid in Pharmaceutical Formulations and Biological Fluids
... Carbon materials are often used in the construction of the WE of the SPEs (screen-printed carbon electrodes, SPCEs) due to their low background current, readily renewable surface and wide potential window ... See full document
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Spectroscopic Investigation of the Mixture of Ascorbic Acid and Sodium Benzoate
... of food additives. Food additives are substances added to preserve flavor, or to enhance food taste and appearance, during any of the following stages; production, packaging, transportation and/or ... See full document
5
Electrochemical Behavior and Determination of Chlorogenic Acid Based on Carbon Nanotubes Modified Screen-Printed Electrode
... extracted from the defatted coffe powder with water using the microwave-assisted extraction(MAE) lab station(Shanghai new apparatus of microwave chemical technology ... See full document
8
Electropolymerization of Glycine at Carbon Paste Electrode and its Application for the Determination of Methyl Orange
... the electrochemical behavior of methyl orange ...excellent electrochemical activity towards the oxidation of ...on electrochemical oxidation of MO like pH, scan rate, and concentration was ...the ... See full document
124
Electrochemical Detection of Norepinephrine Using Sponge-like Co3O4 Modified Screen Printed Carbon Electrod
... (DA), ascorbic acid (AA), and uric acid (UA), which interfere with the detection of NE in biological ...modified screen printed carbon electrode the for highly selective and ... See full document
118
Sodium dodecyl sulfate modified pencil graphite electrode sensor for dopamine oxidation in presence of ascorbic acid
... The Figure 9 showed the differential pulse voltammograms for solution containing mixture of 10 µM DA and 100 µM AA in 0.2 M phosphate buffer solution at pH = 7.4 at both bare PGE and SDS/PGE. The bare PGE (solid line) ... See full document
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Disposable screen printed sensor for the electrochemical detection of methamphetamine in undiluted saliva
... Screen printed electrodes were fabricated in house with appropriate stencil designs using a DEK Horizon printing machine (DEK, Weymouth, ...obtained from Gwent Electronic Materials Ltd. ... See full document
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Electrochemical Determination of Mangiferin Using Modified Screen Printed Electrode
... mangiferin from heartwood, roots, fruits and leaves of Mangiferaindica ...[10]. Electrochemical processes are being examined further and may progressively serve as substitutes to spectral and ... See full document
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