Two novel fluorescent chemosensors in which an aza-crown is linked to 4-coumaryl fluorophores by a methylene spacer have been synthesized for sensing saxitoxin. Fluorescence enhancement was observed upon binding of the dicationic toxin molecule, whereas several metal ions produced no effect.
Electrodialytic separation of potassium ions from sodium ions in the presence of crown ether using a cation-exchange membrane
β Scribed by T. Sata; M. Tanimoto; K. Kawamura; K. Matsusaki
- Publisher
- Springer
- Year
- 2000
- Weight
- 86 KB
- Volume
- 278
- Category
- Article
- ISSN
- 0340-255X
No coin nor oath required. For personal study only.
π SIMILAR VOLUMES
## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a βFull Textβ option. The original article is trackable v
Separation of strontium ions from a simulated highly active liquid waste using a composite of silica-crown ether in a polymer To partition Sr(II) from highly active liquid waste (HLW), a macroporous silica-based 4,49,(59)-di(t-butylcyclohexano)-18-crown-6 (DtBuCH18C6)-tri-n-butyl phosphate (TBP) po
A preclpltatlon reaction for alkah metal Ions IS proposed Crown ether complexes of alkah metal 1011s were found to be less soluble than the alkah metal Ions themselves m water when they form Ion assoclatlon complexes with tetraphenylborate Ion (TPB-) as a counter Ion The apparent solubdlty products