2011
DOI: 10.1016/j.msec.2011.06.003
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Conductometric enzyme biosensors based on natural zeolite clinoptilolite for urea determination

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Cited by 61 publications
(38 citation statements)
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“…These studies have shown that the greatest effect of improving the sensitivity of potentiometric biosensors is observed with the biomembranes of complex architecture [13]. The promising results were obtained when clinoptilolite was used at the development of enzyme biosensors based on pH-sensitive field-effect transistors [15][16][17][18]. The basic idea was to attain high sensitivity of the potentiometric transducer to NH 4 + by deposition of a clinoptilolite layer on the transducer surface [15].…”
Section: Introductionmentioning
confidence: 99%
“…These studies have shown that the greatest effect of improving the sensitivity of potentiometric biosensors is observed with the biomembranes of complex architecture [13]. The promising results were obtained when clinoptilolite was used at the development of enzyme biosensors based on pH-sensitive field-effect transistors [15][16][17][18]. The basic idea was to attain high sensitivity of the potentiometric transducer to NH 4 + by deposition of a clinoptilolite layer on the transducer surface [15].…”
Section: Introductionmentioning
confidence: 99%
“…In a current work, we proceed with our previous investigations of clinoptilolite applicability to enzyme-based conductometric biosensors [27]. As it was shown, a combination of ammoniumsieving and ion exchange properties of clinoptilolite with unique biorecognition capacity of urease allowed significant increasing of sensitivity of the conductometric detection of urea.…”
Section: (5)mentioning
confidence: 99%
“…10 . Purity was checked by X-ray diffraction, thermogravimetric analysis, 29 Si and 27 Al nuclear magnetic resonance. The structure was typical for the Heulandite family of tectosilicates (sheet-like) and its morphology revealed monoclinic crystal form with platelets 10-20 nm thick (Fig.…”
Section: Characteristics Of Clinoptilolitementioning
confidence: 99%
“…2) and ion exchange properties. The processes that include formation of complex-cations on zeolites are important to develop industrially significant materials, such as catalysts [10][11][12] and photocatalysts [13], medicine [14], sensor materials [31,32], feeding additives for farm animals [33], etc.…”
Section: Future Applications Of Zeolitesmentioning
confidence: 99%