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L-Cysteine-capped CdTe Quantum Dots as a Fluorescence Probe for Determination of Cardiolipin
L-Cysteine-capped Determination Cardiolipin
2010/9/15
This paper described the investigation of surface-modified quantum dots (QDs) as a fluorescence probe for the detection of cardiolipin. A single-step method for preparation of non-toxic and photo-stab...
A Reflectance Flow-through Thionine Sol-gel Sensor for the Determination of Se(IV)
Reflectance Flow-through Thionine Sol-gel Sensor Determination of Se
2010/9/13
In this work, a reversible sensor to assess the total Se(IV) content in samples is described. Pre-activated glass slides were spin-coated with 100 μL of a 20-h aged sol-gel mixture of 1 mL of tetrame...
Flame Atomic Absorption Spectrometry Determination of Trace Amounts of Nickel Ions in Water Samples after Ligandless Ultrasound-assisted Emulsification Microextraction
Flame Atomic Absorption Spectrometry Determination Trace Amounts Nickel Ions
2010/9/17
In the present work, a new ligandless-ultrasound-assisted emulsification microextraction (LL-USAEME) method was developed for preconcentration trace amounts of nickel as a prior step to its determinat...
Simultaneous Voltammetric Determination of Enrofloxacin and Ciprofloxacin in Urine and Plasma Using Multiwall Carbon Nanotubes Modified Glassy Carbon Electrode by Least-Squares Support Vector Machines
Simultaneous Voltammetric Determination Enrofloxacin Ciprofloxacin
2010/9/14
A simple and sensitive method is proposed for the electrochemical determination of enrofloxacin (ENRO) and its primary metabolite ciprofloxacin (CIPRO) at a multiwall carbon nanotubes/glassy carbon el...
Flow-Injection Determination of Vanadium in Seawater Samples with Acidic Potassium Permanganate Chemiluminescence
Vanadium Seawater Samples Acidic Potassium Permanganate Chemiluminescence
2010/9/17
Chemiluminescence from the vanadium and potassium permanganate reaction was studied under acidic conditions to develop a sensitive method for vanadium determination using the formaldehyde enhancement ...
Prussian Blue Electrodeposited on Nano Ag-coated Multiwalled Carbon Nanotubes Composite for the Determination of Hydrogen Peroxide
Prussian Blue Electrodeposited Nano Ag-coated Multiwalled Carbon Nanotubes Composite Hydrogen Peroxide
2010/9/17
A prussian blue (PB) electrodeposited on nano Ag-coated multiwalled carbon nanotubes (nano Ag-MWNTs) was reported. Also a PB/nano Ag-MWNTs composite modified glass carbon (GC) electrode was used to in...
A Procedure for the Improvement in the Determination of a TXRF Spectrometer Sensitivity Curve
TXRF Spectrometer Sensitivity Curve
2010/9/17
A simple procedure is proposed to determine the total reflection X-ray fluorescence (TXRF) spectrometer sensitivity curve; this procedure provides better accuracy and exactitude than the standard est...
Flow Injection Determination of Iron Ions with Green Tea Extracts as a Natural Chromogenic Reagent
Iron Ions Green Tea Extracts Natural Chromogenic Reagent
2010/9/20
A green chemistry system that utilizes natural extract as an alternative reagent for determination of metal ions has been investigated. The extract of green tea, a common beverage, is used for quanti...
Determination of Total Fluoride in Boron-containing Solutions
Fluoride Boron-containing Solutions
2010/9/20
We describe a pretreatment method before determining the total fluoride in solutions containing tetrafluoroborate ion (BF4−) with ion-selective electrodes (ISEs). BF4− was quantitatively ...
Development of a Compact System for the Determination of Lead Using a Liquid Core Waveguide and a Blue Diode as a Light Source
Liquid Core Waveguide Blue Diode Light Source
2010/9/19
A simple and compact system was developed for the on-site analysis of lead in environmental water samples. The system consisted of a custom-made blue diode as a light source, a liquid core waveguide (...
Highly Sensitive Determination of Cadmium and Lead in Leached Solutions from Ceramic Ware by Graphite Furnace Atomic Absorption Spectrometry Coupled with Sequential Injection-based Solid Phase Extraction Method
Cadmium Ceramic Ware Graphite Furnace Atomic Absorption Spectrometry
2010/9/20
A fully automated pretreatment system based on sequential injection solid-phase extraction (SPE) coupled to a graphite furnace atomic absorption spectrometer (Auto-Pret-GFAAS system) was developed to...
Development of a Discrete Flow System Using a Microsyringe as a Cell for the Photometric Determination of Iron
Microsyringe Cell Photometric Determination Iron
2010/9/20
A simple discrete flow system for the photometric determination of iron using a glass syringe as a mixer of a solution and as a sample cell has been developed. The system was assembled from a coupler...
Determination of Volatile Organic Compounds for a Systematic Evaluation of Third-Hand Smoking
Volatile Organic Compounds Systematic Evaluation Third-Hand Smoking
2010/9/20
Third-hand smoking was quantitatively evaluated with a polymer-packed sample preparation needle and subsequent gas chromatography–mass spectroscopy analysis. The extraction needle was prepared with po...
Capillary Electrophoretic Determination of Selected Phenolic Compounds in Humic Substances of Well Waters and Fertilizers
Phenolic Compounds Humic Substances Waters
2010/9/20
Humic substances (HS) from well waters, fertilizers, and synthetic phenolic polymers were characterized by elemental and UV-VIS spectroscopic analyses. Capillary zone electrophoresis (CZE) with UV ab...
Separation/Determination of Flavonoids and Ascorbic Acid in Rat Serum and Excrement by Capillary Electrophoresis with Electrochemical Detection
Flavonoids Ascorbic Acid in Rat Serum Excrement Capillary Electrophoresis with Electrochemical Detection
2010/9/20
A capillary electrophoresis with electrochemical detection was developed for the simultaneous determination of three flavonoids (naringenin, rutin, quercetin) and ascorbic acid. It was found that nari...