A Novel Supported Polymer Inclusion Membrane Concept for Reagent-Efficient Membrane Design. [PDF]
Membranes (Basel)Khatir N, Anticó E, Fontàs C.
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Coral-like 3D porous Co-BDC nanostructures synthesized by simple one-step chronoamperometry for electrochemical detection of Cd<sup>2</sup>. [PDF]
RSC AdvLuong DD +10 more
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Green ratio-manipulating spectrophotometric methods for simultaneous determination of empagliflozin and sitagliptin in pharmaceutical formulations. [PDF]
BMC ChemMohamad AAA +3 more
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Epitachophoretic preconcentration of proteins
, 2021 In this work, we present a developed method for preconcentration of standards of proteins cytochrome c, myoglobin, and hemoglobin. Firstly, the electrolyte system was selected and optimized to provide low analysis time, narrow shape of the protein zone, and eliminate overheating at the center of the device.
Hrušková, H. (Helena) +2 more
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Online sample preconcentration techniques in nonaqueous capillary and microchip electrophoresis
Journal of Chromatography A, 2021 One of the major drawbacks of electrophoresis in both capillary and microchip is the unsatisfactory sensitivity. Online sample preconcentration techniques can be regarded as the most common and powerful approaches commonly applied to enhance overall ...
Hui Yin Tey +2 more
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Radial sample preconcentration
Lab on a Chip, 2011In this paper we present a radial sample preconcentration strategy enabled by axisymmetric concentration polarization in a microfluidic chamber on a uniform nanoporous film. Sample analytes are focused into the centre, creating a concentrated plug that is injected vertically into the microfluidic analysis layer.
Brent, Scarff +2 more
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Selective preconcentration by temperature manipulation of cascaded micro preconcentrators
TRANSDUCERS 2009 - 2009 International Solid-State Sensors, Actuators and Microsystems Conference, 2009This article presents a new method for selective preconcentration of target species and the elimination of unwanted ones from a sample mixture. In this approach, the temperature and flow direction of two microfabricated preconcentrators connected in series are controlled according to the boiling points of target species.
B. Alfeeli, M. Agah
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Separation and preconcentration
Fresenius' Zeitschrift f�r Analytische Chemie, 1973A general review is given on separation and pre-concentration methods. Among the various procedures especially chromatography and ion-exchange for separation, and absorption and extraction for preconcentration are discussed in detail.
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Preconcentration of contaminants in water analysis
Journal of Chromatography A, 2000Among the environmental areas, in this review attention will be focused on water matrices and both on organic (e.g., pesticides, herbicides, phenols, polycyclic aromatic hydrocarbons), inorganic species and anion pollutants, since these kinds of substances include a wide number of compounds with different physical and chemical properties and different ...
BRUZZONITI, Maria Concetta +2 more
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An instrumental method of solution preconcentration
Talanta, 1981Aerosol concentration before atomic-absorption measurement is achieved by use of an electrostatic trapping technique. The effects of various experimental parameters are examined, including those of voltage, trap dimensions, gas flow-rate through the trap and trapping time. It is concluded that the technique offers an inherently clean method of solution
P A, Michalik, R, Stephens
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