Showing papers in "Talanta in 2011"

TL;DR: In this review, an overview of reported analytical methods for the determination of the most commonly used anticancer drugs is given.

TL;DR: The result showed that the CL biosensor is expected to provide further detailed information about the relationship between dynamics of blood glucose and tear glucose.

TL;DR: The wax dipping provides a new alternative method for fabricating lab-on-paper devices for multiple clinical diagnostics and will be very beneficial for developing countries.

TL;DR: This study presents the development of an automated on-line solid phase extraction (SPE)-liquid chromatography-tandem mass spectrometry (LC-MS/MS) method for the determination of 23 antibiotics in environmental water samples and revealed the occurrence of 12 antibiotics.

TL;DR: It was found that infrared spectroscopy is an effective tool to detect melamine in dairy products, such as infant formula, milk powder, or liquid milk and mid- and near-infrared spectroscopic can be regarded as a quick, sensitive, robust, and low-cost method for liquid milk, infants formula, and milk powder analysis.

TL;DR: Mathematical models based on chemometric analyses of the coffee beverage sensory data and NIR spectra of 51 Arabica roasted coffee samples were generated aiming to predict the scores of acidity, bitterness, flavour, cleanliness, body and overall quality of coffee beverage.

TL;DR: This study proposes and fully validates a simple and fast RP-HPLC method for the simultaneous determination of five water-soluble vitamins in honey and observes a marked dependence of some of their concentrations and the botanical origin of the honey.

TL;DR: Well-crystalline ZnO nanoparticles (NPs) were synthesized in large-quantity via simple hydrothermal process using the aqueous mixtures of zinc chloride and ammonium hydroxide and confirmed that the obtained NPs are pure ZNO and made with almost 1:1 stoichiometry of zinc and oxygen.

TL;DR: Cyclodextrin-graphene hybrid nanosheets for the first time have been used as an enhanced material for ultrasensitive detection of carbendazim by electrochemistry method and this simple sensing platform can in principle be extended to the detection of other benzimidazole fungicide which can form host-guest complexes with cyclodesxtrin.

TL;DR: The developed SPR immunosensor using the sandwich assay format showed high sensitivity and reproducibility for CEA detection which makes it a promising procedure for cancer biomarker analysis.

TL;DR: The most commonly used sample preparation techniques for monitoring organophosphorus and organonitrogen pesticides residue in water samples are discussed and several novel techniques are developed in order to reduce the analysis step, increase the sample throughput and to improve the quality and the sensitivity of analytical methods.

TL;DR: In this work, CdTe QD was added into the running buffer of CE to catalyze the post-column CL reaction between luminol and hydrogen peroxide, achieving higher CL emission.

TL;DR: The CuO/TiO(2) NT arrays electrode showed excellent stability and repeatability over 1 month and the poisoning by chloride ion and the interferences from ascorbic acid, uric Acid, lactose, sucrose, fructose and dopamine were negligible.

TL;DR: A sensitive and selective fluorescent aptasensor for ochratoxin A detection was constructed, utilizing single-walled carbon nanotubes (SWNTs) as quencher which can quench the fluorescence of free unfolded toxin-specific aptamer attached with FAM (carboxyfluorescein).

TL;DR: The results showed that concentration of salt and volume of disperser solvent had no effect on the extraction efficiency, and central composite design was used to obtain optimum levels of effective parameters.

TL;DR: A new method based on dispersive liquid-liquid microextraction (DLLME) in combination with high-performance liquid chromatography (HPLC) has been developed for the analysis of UV filters and the proposed magnetic stirring-assisted DLLME method was successfully applied to theAnalysis of lake water samples.

TL;DR: The results illustrate that functionalized nanobeads can offer a refined solution to improve the fiber SPR detection limit and suggest that label-free detection is the most convenient approach to detect Ara h1 peanut allergens in chocolate candy bars.

TL;DR: An electromembrane extraction (EME) combined with a HPLC procedure using diode array (DAD) and fluorescence detection (FLD) has been developed for the determination of six widely used non-steroidal anti-inflammatory drugs (NSAIDs) and was successfully applied to urban wastewaters.

TL;DR: This review mainly describes arsenic speciation analysis by HPLC-ICP-MS technique on the basis of articles that have been published since 2000, and its validation and analytical performance are reviewed.

TL;DR: A simple, sensitive, and viable method for the determination of bisphenol A, 4-n-nonylphenol and 4-tert-octylphenol in water samples using temperature-controlled ionic liquid dispersive liquid-phase microextraction coupled to high performance liquid chromatography-fluorescence detector is described.

TL;DR: It was demonstrated that the NRC could be used as an excellent "off-on" fluorescent chemosensor for the measurement of Cu(2+) in living cells with satisfying results, which further displayed its valuable applications in biological systems.

TL;DR: Four different extraction and clean-up protocols based on the QuEChERS method were compared for the development of an optimized sample preparation procedure for the multiresidue analysis of 16 commonly applied herbicides in rice crops using LC-QqQ/MS.

TL;DR: The combination of the nanoassembly of AuNPs-GNs, SPE, and stripping voltammetry provides a fast, simple, and sensitive electrochemical method for detecting nitroaromatic OPs.

TL;DR: In this paper, the authors report the effectiveness of laser-induced breakdown spectroscopy (LIBS) in probing the content of pharmaceutical tablets and also investigate its feasibility for routine classification.

TL;DR: A new spectrophotometric protocol was developed and successfully applied to determine soluble Mn(II), Mn(III) and total Mn in sediment porewaters of the Lower St. Lawrence Estuary.

TL;DR: Combination of the specific adsorption property of the MIP material and the magnetic separation provided a powerful analytical tool of simplicity, flexibility, and selectivity.

TL;DR: The work shows that the metabonomics method is a valuable tool for studying the essence of Chinese medicine's syndrome theory and therapeutic effect mechanism of TCM.

TL;DR: The synthesized silica-coated NPs in combination with cetylpyridinium bromide have the ability to adsolubilize the metal ions after complexation with 8-hydroxyquinoline and good recoveries with low RSDs were achieved.

TL;DR: Electron microscopy observation suggested that the hierarchical structures of Cu(2)O resulting from self-assembly of nanocrystals are responsible for the specific electrochemical properties.

TL;DR: Incorporation of hyperspectral imaging with chemometrics provided a rapid and innovative approach for the detection of E. coli contamination in packaged fresh spinach.