DC Field | Value | Language |
---|---|---|
dc.contributor.author | Chin, J | - |
dc.contributor.author | Oh, J | - |
dc.contributor.author | Jon, SY | - |
dc.contributor.author | Park, SH | - |
dc.contributor.author | Walsdorff, C | - |
dc.contributor.author | Stranix, B | - |
dc.contributor.author | Ghoussoub, A | - |
dc.contributor.author | Lee, SJ | - |
dc.contributor.author | Chung, HJ | - |
dc.contributor.author | Park, SM | - |
dc.contributor.author | Kim, K | - |
dc.date.accessioned | 2016-03-31T13:06:40Z | - |
dc.date.available | 2016-03-31T13:06:40Z | - |
dc.date.created | 2009-03-20 | - |
dc.date.issued | 2002-05-15 | - |
dc.identifier.issn | 0002-7863 | - |
dc.identifier.other | 2002-OAK-0000002624 | - |
dc.identifier.uri | https://oasis.postech.ac.kr/handle/2014.oak/19093 | - |
dc.description.abstract | Ion selective electrodes (ISE) based on three different tripodal receptors (5, 6, and 7) have been investigated for sensing ammonium ion. Each receptor is based on three pyrazole groups that can accept three H-bonds from the bound ammonium ion. The receptor based on 4-bromo-3,5-dimethylpyrazole (6) is the most sensitive with a detection limit for ammonium ion of 2.5 x 10(-5) M at pH 8. The detection limits for the receptors based on 2,3-dimethylpyrazole (5) and unsubstitued pyrazole (7) are 1,0 x 10(-4) and 2.0 x 10(-4) M, respectively. The selectivities of the receptors 5, 6, and 7 for sensing ammonium ion over potassium ion (logK(NH4)(-)/(+)(K)) are -2.8, -2.3, and -1.7, respectively. In contrast, the detection limit and the selectivity of a nonactin-based ISE are 2.2 x 10(-5) M and -1.3, respectively. Crystallographic studies reveal that 6 accepts three H-bonds from the bound ammonium and singly protonated receptor 5 forms three H-bonds with the bound water molecule. | - |
dc.description.statementofresponsibility | X | - |
dc.language | English | - |
dc.publisher | AMER CHEMICAL SOC | - |
dc.relation.isPartOf | JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | - |
dc.subject | ION-SELECTIVE ELECTRODES | - |
dc.subject | RECOGNITION | - |
dc.subject | COMPLEXES | - |
dc.subject | CHEMISTRY | - |
dc.subject | POLYVINYL-CHLORIDE) | - |
dc.title | Tuning and dissecting electronic and steric effects in ammonium receptors: Nonactin vs artificial receptors | - |
dc.type | Article | - |
dc.contributor.college | 화학과 | - |
dc.identifier.doi | 10.1021/JA0174175 | - |
dc.author.google | Chin, J | - |
dc.author.google | Oh, J | - |
dc.author.google | Jon, SY | - |
dc.author.google | Park, SH | - |
dc.author.google | Walsdorff, C | - |
dc.author.google | Stranix, B | - |
dc.author.google | Ghoussoub, A | - |
dc.author.google | Lee, SJ | - |
dc.author.google | Chung, HJ | - |
dc.author.google | Park, SM | - |
dc.author.google | Kim, K | - |
dc.relation.volume | 124 | - |
dc.relation.issue | 19 | - |
dc.relation.startpage | 5374 | - |
dc.relation.lastpage | 5379 | - |
dc.contributor.id | 10200281 | - |
dc.relation.journal | JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | - |
dc.relation.index | SCI급, SCOPUS 등재논문 | - |
dc.relation.sci | SCI | - |
dc.collections.name | Journal Papers | - |
dc.type.rims | ART | - |
dc.identifier.bibliographicCitation | JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, v.124, no.19, pp.5374 - 5379 | - |
dc.identifier.wosid | 000175521200028 | - |
dc.date.tcdate | 2019-01-01 | - |
dc.citation.endPage | 5379 | - |
dc.citation.number | 19 | - |
dc.citation.startPage | 5374 | - |
dc.citation.title | JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | - |
dc.citation.volume | 124 | - |
dc.contributor.affiliatedAuthor | Park, SM | - |
dc.contributor.affiliatedAuthor | Kim, K | - |
dc.identifier.scopusid | 2-s2.0-0037093949 | - |
dc.description.journalClass | 1 | - |
dc.description.journalClass | 1 | - |
dc.description.wostc | 49 | - |
dc.description.scptc | 45 | * |
dc.date.scptcdate | 2018-05-121 | * |
dc.type.docType | Article | - |
dc.subject.keywordPlus | ION-SELECTIVE ELECTRODES | - |
dc.subject.keywordPlus | RECOGNITION | - |
dc.subject.keywordPlus | COMPLEXES | - |
dc.subject.keywordPlus | CHEMISTRY | - |
dc.subject.keywordPlus | POLYVINYL-CHLORIDE) | - |
dc.relation.journalWebOfScienceCategory | Chemistry, Multidisciplinary | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Chemistry | - |
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