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UDK: 66.047

2010. - V. 24. - N 2(107). - P. 71-76

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Optical sensing polymer particles with tailored semiconductor nanocrystal (quantum dots, QDs) loading is prepared by layer-by-layer deposition technique. Polyacrolein particles were used 72 as solid support for deposition of hydrophilic CdSe/ZnS nanocrystal/polyelectrolyte multilayers formed by electrostatic interactions. The fluorescence of such polymer particles with BSA outer layer was sensitive to copper (II) ion while the fluorescence of these particles was practically insensitive to the other physiologically important cations (Zn2+, Ca2+, Ba2+, Co2+, Mg2+). The detection limit of Сu2+ is 15 nM.

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ПОЛИАКРОЛЕИНОВЫЕ ЧАСТИЦЫ, СОДЕРЖАЩИЕ ПОЛУПРОВОДНИКОВЫЕ НАНОКРИСТАЛЛЫ, ДЛЯ ОПРЕДЕЛЕНИЯ ИОНОВ МЕДИ (II)

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