Showing papers in "Analytica Chimica Acta in 2006"

TL;DR: Better model of such glucose sensors is sought by summarizing and revisiting the previous reports on the electrochemistry of glucose itself and new electrode materials, which will lead to possible breakthroughs in designing the enzymeless glucose sensing devices that realize innovative and powerful detection.

TL;DR: This review presents an account of some of the recent reports on RTils in major subdisciplines of analytical chemistry, representing the applications of RTILs in chromatography, extraction, electroanalytical chemistry, sensing, and spectrometry.

TL;DR: The gas experiments presented confirm good sensing properties, the possibility to use dopants and catalyser such in thin film gas sensors and the real integration in low power consumption transducers of single crystalline nanobelts prove the feasibility of large scale manufacturing of well-organized sensor arrays based on different nanostructures.

TL;DR: This article provides an in-depth review on the applications of microfluidic devices for cell-based assays in recent years, including micro cytometer, micro fluidic chemical cytometry, biochemical sensing chip, and whole cell sensing chip.

TL;DR: FT-IR spectroscopy is used as an effective analytical tool in order to determine extra virgin olive oil adulteration with lower priced vegetable oils and to monitor the oxidation process of corn oil samples undergone during heating or/and exposure to ultraviolet radiation.

TL;DR: An overview of various aspects of the self-assembly of organic monolayers on silicon substrates for molecular electronics applications and the concepts and realization of various molecular electronic components based on appropriate architecture of SAMs comprising of alkyl chains and conjugated molecules are presented.

TL;DR: This paper deals with the emerging trends in conducting polymer based biosensors during the last about 5 years.

TL;DR: The IIPs find interesting applications in solid phase extraction, sensors and membrane separations of inorganics, and has been briefly reviewed here along with some rough guidelines and concepts for further development.

TL;DR: In this paper, a new PVC membrane electrode for Co 2+ based on N,N ′-bis(salicylidene)-3,4-diaminotoluene, an excellent neutral carrier, has been fabricated using sodium tetraphenylborate (NaTPB) as an anionic excluder and dioctylphthalte (DOP) as a solvent mediator.

TL;DR: In this article, analytical solutions are derived, describing the transport characteristics of a non-Newtonian fluid flow in a rectangular microchannel, under the sole influence of electrokinetic forces.

TL;DR: In this review, the applications of conducting polypyrrole as biosensor for some biomolecules and drug delivery systems are discussed.

TL;DR: Biosensors for environmental applications continue to show advances and improvements in areas such as sensitivity, selectivity and simplicity.

TL;DR: In this paper, the qualitative and quantitative changes produced, during maturation and ageing, in the pigment composition of a red wine made from Vitis vinifera cv Tempranillo grapes have been studied.

TL;DR: In this paper, a single particle mode of gold colloids in water was performed by inductively coupled plasma-mass spectrometry (ICP-MS), and the signal induced by the flash of ions due to the ionizati

TL;DR: These results show it possible to built robust models to quantify some common adulterants in powdered milk using near-infrared spectroscopy and LS-SVM as a nonlinear multivariate calibration procedure.

TL;DR: A method for the simultaneous determination of major and minor volatiles composition in different types (dry, medium dry, sweet and medium sweet) of a young Tinta Negra Mole (TNM) monovarietal red wine from 2003 harvest has been validated as discussed by the authors.

TL;DR: In this article, road-deposited sediments were analyzed for heavy metal concentrations at three different landuses (residential, industrial, commercial) in Queensland State, Australia.

TL;DR: AChE and BChE enzymes were used and inhibition effect of different pesticides was studied with both the enzymes, and Prussian Blue-modified screen-printed electrodes were selected for successive enzyme immobilization due to their higher operative stability demonstrated in previous works.

TL;DR: The application of binary chromatographic fingerprinting to consistency assessment and frauds detection of DSDP clearly demonstrated that the proposed method was a powerful approach to quality control of complex herbal medicines.

TL;DR: In this article, the diffusion coefficients of metal ions and metal-ligand complexes in hydrogels were measured at ionic strengths of 0.1-100 mmol L−1 using a diffusion cell.

TL;DR: In this paper, a new process design and operation for microwave accelerated steam distillation (MASD) of essential oils was developed, where a packed bed of lavender flowers (Lavandula angustifolia mill., Lamiaceae) sits above the steam source generated by microwave heating.

TL;DR: In this paper, the authors outline the important issues with regards to the development of biosensors for the monitoring of biological warfare agents (BWAs) starting with the basic components of biosensor and the features of BWAs, which are compatible with detection using biological recognition molecules.

TL;DR: The proposed method was successfully applied for Hg (II) detection in four real samples with a satisfactory result that was obtained by cold vapor atomic fluorescence spectrometry (CV-AFS).

TL;DR: In this paper, water-soluble l -cysteine-capped-CdS nanoparticles were prepared in aqueous solution at room temperature through a straightforward one-pot process by using safe and low-cost inorganic salts as precursors.

TL;DR: Results show that aptamer arrays can potentially be used with numerous proteins in parallel, furthering the notion thataptamer arrays may be useful in proteomics.

TL;DR: In this article, the effect of temperature in the extraction process of grape seeds using superheated water has been studied for the recovery of catechins and proanthocyanidins from grape seeds obtained as by-products from wineries.

TL;DR: In this article, the authors optimized a method for quantitative extraction and purification of stilbenes from grape skins, used for posterior HPLC analysis, and found that there was a significant correlation between the concentration of total piceid in grape skins and that in the respective wine.

TL;DR: In this paper, an ANN was constructed with three neurons as the output layer for the simultaneous determination of the three elements in the ranges of 1.0, 5.0 and 10.0 mV/s.

TL;DR: It is demonstrated that boron-doped diamond is a viable alternate electrode to Hg for ASV, and the stripping peak potentials for all the metals studied were similar at both electrodes indicating that BDD is as active for metal phase formation and oxidation.

TL;DR: In this article, the influence of the age in the volatile composition of Madeira wines made with Boal, Malvazia, Sercial and Verdelho varieties and aged in oak barrel during 1, 11 and 25 years old was studied.