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Chemically modified field-effect transistors; potentiometric Ag+ selectivity of PVC membranes based on macrocyclic thioethers

✍ Scribed by Zbigniew Brzozka; Peter L.H.M. Cobben; David N. Reinhoudt; Jilles J.H. Edema; Jan Buter; Richard M. Kellogg

Publisher: Elsevier Science
Year: 1993
Tongue: English
Weight: 397 KB
Volume: 273
Category: Article
ISSN: 0003-2670
DOI: 10.1016/0003-2670(93)80152-b

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✦ Synopsis

A chemically modtied field-effect transistor (CHEMFET) Hrlth satisfactory Ag+ selectmty 1s de-bed The potentlometnc Ag+ selectlvltles of CHEMFETs with pla$tlclzed PVC membranes based on macrocychc thloethers have been deternuned All the macrocychc thmethers tested showed silver response and a selectlvlty towards Ag+ and Hg'+ versus other mterfenng cations The highest Ag+ seltivlty was obtamed for a Wmembered cyclic tetrathmether wth an exoqchc methylene group

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