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High Affinity of Wa...
High Affinity of Water-Soluble Cryptophanes for Cesium Cations
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Brotin, Thierry (author)
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Montserret, Roland (author)
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Bouchet, Aude (author)
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Cavagnat, Dominique (author)
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- Linares, Mathieu (author)
- KTH,Teoretisk kemi och biologi
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Buffeteau, Thierry (author)
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(creator_code:org_t)
- 2012-01-10
- 2012
- English.
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In: Journal of Organic Chemistry. - : American Chemical Society (ACS). - 0022-3263 .- 1520-6904. ; 77:2, s. 1198-1201
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Exceptionally high affinity for cesium cations was achieved in aqueous solution using two enantiopure cryptophanes. Complexation of cesium was evidenced by Cs-133 NMR spectroscopy and by electronic circular dichroism (ECD). Binding constants as high as 6 X 10(9) M-1 have been measured by isothermal titration calorimetry (ITC). Very strong complexation of rubidium cations (K similar to 10(6) M-1) has also been measured. Chiral hosts allowed the detection of the two cations at low concentrations (mu M) using ECD.
Subject headings
- NATURVETENSKAP -- Kemi -- Organisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Organic Chemistry (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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