Potentiometric microsensor based on ion-imprinted polymer for the trace determination of cesium(I) ions

Determination of cesium ions in environmental water samples with a magnetic multi-walled carbon nanotube imprinted potentiometric sensor

“…Compared with previous work, the use of multi-walled carbon nanotubes as the base material improves the sensitivity and accuracy of ion-selective electrodes. 30 The performance of the prepared electrochemical sensor was investigated in detail by differential pulse voltammetry (DPV), cyclic voltammetry (CV) and chronopotentiometry. The developed sensor was effectively used for sensing of the Cs( i ) ion in the collected environmental samples.…”

Potentiometric Sensing

“…The Cu 2+ -imprinted polymer and a cation exchanger were incorporated into a plasticized PVC membrane to give a near-Nernstian slope (28.6 mV/decade) in the concentration range of 10 –6 –10 –1 M. Unfortunately, the selectivity of the sensor was limited (e.g., log K Cu 2+ ,Zn 2+ Pot = −2.8 or log K Cu 2+ ,Na 2+ Pot = −2.55). Wang et al presented a potentiometric sensor based on a cesium­(I)-imprinted polymer . The synthesis was carried out using functionalized magnetic Fe 3 O 4 @SiO 2 microspheres as a supporter and carboxymethyl chitosan as functional monomers.…”

“…Wang et al presented a potentiometric sensor based on a cesium(I)-imprinted polymer. 130 The synthesis was carried out using functionalized magnetic Fe 3 O 4 @SiO 2 microspheres as a supporter and carboxymethyl chitosan as functional monomers. The addition of the Cs(I)-imprinted polymer into the membrane phase induced close to a Nernstian response toward Cs + ions in the concentration range of 10 −6 −10 −1 M. The selectivity of the developed sensor was actually worse when compared with ionophore-based ISEs previously reported in the literature.…”

Kil Esaslı Bütünüyle-Katı-Hal Kompozit Kurşun (II)-Seçici Potansiyometrik Elektrot

“…Duyarlı membran yapısına iyonoforların kovalent olarak tutturulması veya akma özelliği olmayan iyonofor özelliği gösteren katı hal mikro/nano yapılı materyallerin iyonofor olarak kullanılması bu riskleri azaltmaktadır. Bu bağlamda; killer [10,11] modifiye karbon temelli nano materyaller [12][13][14], baskılanmış polimerler [15][16][17]…”