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- Adbo, Karina, et al.
(författare)
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Study of the kinetics of enantioselective solid-phase extraction on Tröger’s base molecularly imprinted polymers
- 2001
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Ingår i: Analytica Chimica Acta. - : Elsevier. - 0003-2670 .- 1873-4324. ; 435:1, s. 115-120
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Tidskriftsartikel (refereegranskat)abstract
- Molecularly imprinted polymers (MIPs) selective for Tröger’s base were designed and synthesised, and HPLC-chromatographic evaluation of polymer recognition characteristics was undertaken. Baseline separation of racemic Tröger’s base was readily achieved, and enantioseparation factors (α) of up to 4.8±0.2 were obtained. The high enantioselectivity demonstrated by these materials prompted their use to examine the kinetics and thermodynamics of individual enantiomers in a solid-phase extraction (SPE) process. Enantiomer-dependent differences in the rates and extent of adsorption were observed. Furthermore, the enantiomeric enrichment of racemates was demonstrated in batch studies.
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- Areskoug, Mats, et al.
(författare)
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Klimat-X Experiments on Energy and Climate
- 2003
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Konferensbidrag (refereegranskat)abstract
- Climate and energy issues are part of our everyday life. Children's understanding of energy concepts and energy transformations is often insufficient. In Malmö, Sweden, a small science center, Klimat-X, tries to capture the students' fascination and interest and give them the opportunity of building their knowledge of scientific concepts concerned with energy and climate. Examples of experiments are described and the educational problems they are designed to address will be discussed. A pilot study on the influence of the experiments on students' understanding has been carried out. The students get a deeper understanding of energy chains, they see possibilities and not only problems in energy economizing and they find the experiments funny, interesting and instructive. It seems that Klimat-X could be a starting point for reflecting upon scientific issues that have an impact on decisions made in everyday life.
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- Areskoug, Mats
(författare)
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Varför flyter is?
- 2003
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Ingår i: Ny teknik. - : Ekonomi + teknik. - 1402-4845. ; :13
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Tidskriftsartikel (populärvet., debatt m.m.)
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- Brodén, Björn, et al.
(författare)
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Guarding Lines and 2-Link Polygons is APX-hard
- 2001
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
- We prove that the minimum line covering problem and the minimum guard covering problem restricted to 2-link polygons are APX-hard.
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