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Determination of mercury species in foodstuffs using LC-ICP-MS: the applicability and limitations of the method
mercury speciation liquid chromatography inductively coupled plasma-mass spectrometry
2014/7/10
Reversed-phase liquid chromatography hyphenated with inductively coupled plasma mass spectrometry (LC-ICP-MS) was used for mercury speciation analysis in food samples. A short chromatographic column (...
Determination of volatiles in beer using solid-phase microextraction in combination with gas chromatography/mass spektrometry
GC headspace technique solid phase microextraction volatile compounds
2014/7/10
Headspace solid phase microextraction and purge and trap analysis were used for the determination of volatiles in beer. These methods were compared with the analysis of unconcentrated gas phase and li...
Determination of Selected Volatiles in Cigarette Mainstream Smoke. The CORESTA 2009 Collaborative Study and Recommended Method
Cigarette Mainstream Smoke Selected Volatiles
2014/6/3
A recommended method has been developed and published
by CORESTA, applicable to the quantification of selected
volatiles (1,3-butadiene, isoprene, acrylonitrile, benzene,
and toluene) in the gas ph...
Organic acids (oxalic, citric, malic, and succinic) contents of Domat, Memecik and Uslu varieties of olives grown in Turkey were investigated using HPLC method. Organic acids were extracted from olive...
Voltammetric determination of ascorbic acid in the presence of acetaminophen and tryptophan using an improved carbon nanotube paste electrode（图）
Ascorbic acid Acetaminophen Tryptophan Carbon nanotube paste electrode Electrocatalysis
2013/9/26
A carbon paste electrode (CPE) modified with carbon nanotubes and 5-amino-3',4'-dimethyl- biphenyl-2-ol (5ADB) is prepared. Under the optimum pH of 7.0, the oxidation of ascorbic acid (AA) on the modi...
AACCI Approved Methods Technical Committee Report: Collaborative Study on the Immunochemical Determination of Intact Gluten Using an R5 Sandwich ELISA
AOAC Approved Methods Technical Committee Report Immunochemical Determination Intact Gluten an R5 Sandwich ELISA
2014/5/23
In 2008, the AACC International Protein Technical Committee (now the Protein and Enzymes Technical Committee) initiated a collaborative study of a method for determining gluten in selected foods using...
DETERMINATION OF GLACIER SURFACE AREA USING SPACEBORNE SAR IMAGERY
Glacier Surface Area SAR Feature Extraction Glacier Velocity Random Forests
2014/4/24
Glaciers are very important climate indicators. Although visible remote sensing techniques can be used to extract glacier variations effectively and accurately, the necessary data are depending on goo...
Isotachophoretic determination of glucosamine and chondroitin sulphate in dietary supplements
capillary isotachophoresis nutraceuticals food analysis
2014/2/24
Glucosamine and chondroitin sulfate, components of normal cartilage, are used as ingredients in dietary supplements intended to treat osteoarthritis and/or to support joint health. Of concern is the d...
Determination of acrylamide in food using adsorption stripping voltammetry
food contaminant electroanalysis sample preparation
2014/2/24
A new electroanalytical method for the determination of acrylamide in food has been developed. It was found that a complex of acrylamide and Ni2+ is suitable for the electrochemical determination of a...
Determination of oxygen permeability of polyethylene and polypropylene nonwoven fabric foils
gas transmisivity equipment construction packaging mulching
2014/2/24
The paper deals with determination of oxygen permeability of the polyethylene and polypropylene foils applied in
mulching and food packaging. The construction of the equipment of measurement of gas ...
Carbon Paste Electrode Prepared from Chemically Modified Multiwall Carbon Nanotubes for the Voltammetric Determination of Isoprenaline in Pharmaceutical and Urine Samples（图）
isoprenaline carbon nanotube electrode electrocatalytic effect voltammetry
2013/10/4
A carbon paste electrode with added multiwall carbon nanotubes chemically modified with N-(3,4-dihydroxyphenethyl)- 3,5-dinitrobenzamide was used as the electrochemical sensor for the determination of...
Black Spot Determination of Traffic Accident Locations and Its Spatial Association Characteristic Analysis Based on GIS
Black Spot Traffic Accident Spatial Analysis
2013/3/5
In general, the location of traffic accidents is described as an address with text, so they are difficult to display on the map. The paper discusses how to utilize the geocoding technology and VRS-GPS...
A Carbon Nanotube Modified Electrode for Determination of Caffeine by Differential Pulse Voltammetry（图）
caffeine electrocatalysis electrochemical determination single-walled carbon nanotube carbon-ceramic electrode
2013/10/4
A simple and sensitive electrochemical detection of caffeine (CAF) using a single-walled carbon nanotubes on carbon-ceramic electrode (SWCNT/CCE) is reported. CAF was oxidized at the surface of the mo...
A Multiparameter Colloidal Titrations for the Determination of Cationic Polyelectrolytes
Polyelectrolyte Quantification Colloidal Titration Zeta Potential, Polydadmac O-Toluidine Blue Indicator Wastewater Treatment
2013/3/12
In water treatment processes and conditioning drinking water, PEs are widely used; however, their environmental impact is still doubtful, since residual concentrations increase organic matter content ...
VERTICAL VEGETATION STRUCTURE ANALYSIS AND HYDRAULIC ROUGHNESS DETERMINATION USING DENSE ALS POINT CLOUD DATA - A VOXEL BASED APPROACH
surface roughness hydraulic simulation Manning's n land cover full-waveform LiDAR
2014/6/5
In this contribution the complexity of the vertical vegetation structure, based on dense airborne laser scanning (ALS) point cloud data (25 echoes/m2 ), is analyzed to calculate vegetation roughness f...