| EPSRC Reference: |
GR/L90521/01 |
| Title: |
ROTAXANE-ENCAPSULATED DYES |
| Principal Investigator: |
Anderson, Professor HL |
| Other Investigators: |
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| Department: |
Oxford Chemistry |
| Organisation: |
University of Oxford |
| Scheme: |
Standard Research (Pre-FEC) |
| Starts: |
09 March 1998 |
Ends: |
08 March 2001 |
Value (£): |
171,090
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| EPSRC Research Topic Classifications: |
| Chemical Synthetic Methodology |
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| EPSRC Industrial Sector Classifications: |
| No relevance to Underpinning Sectors |
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Summary on Grant Application Form |
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Synthetic dyes enrich many areas of everyday life. They are used as colorants (textile dyes and printing inks), and in photography, opto-electronics (laser dyes, optical data storage, display technology), cell biology (molecular probes) and medicine (photodynamic therapy). This project will develop a new general way of controlling the solubility, stability, substrate-affinity, aggregation and fluorescence-efficiency of dyes. Our approach is to encapsulate the dye in a controlled microenvironment, shielding it from the outside world. This will improve the performance of the dye for many applications.Encapsulation will be achieved by trapping the dye inside a macrocycle, to form a rotaxane. We will focus on azo dyes and cyanine-type dyes, encapsulated in cyclodextrins and water-soluble cyclophanes. The synthesis will be done in water, using the hydrophobic effect to hold the components in the right orientation for rotaxane formation. Rotaxanes will also be prepared by forcing macrocycles to slip over dumbbell-shaped dyes using high temperature and pressure.The interaction of rotaxane-encapsulated azo dyes with cellulose fibres will be explored with BASF at Manchester. The fluorescence efficiency and stability of encapsulated dyes will be tested to explore their potential as laser dyes and electroluminescent materials.
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Key Findings |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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Potential use in non-academic contexts |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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Impacts |
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| Description |
This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk |
| Summary |
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| Date Materialised |
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Sectors submitted by the Researcher |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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| Project URL: |
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| Further Information: |
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| Organisation Website: |
http://www.ox.ac.uk |