NANO-PRESSES · Construction of nanoscale molecular presses displaying electrochemically and photochemically induced contrary linear motion of two plates
6РП — Действия „Мария Кюри“
- Период
- 2006-06-01 → 2008-05-31
- Финансиране от ЕС
- 158 219 €
- Участници
- 1
- Схема
- EIF
Линиите свързват координатора с партньорите.
Накратко на български
Молекулярни преси се създават чрез свързване на плоски плочи и твърди релси с помощта на метални йони. Тези структури помагат за разбирането на начина, по който сложни архитектури от молекули могат да се сглобяват сами.
Кратко обяснение, генерирано от езиков модел по текста на CORDIS. Оригиналът е по-долу.
Резултати накратко
Final Activity Report Summary - NANO-PRESSES (Construction of nanoscale molecular presses displaying electrochemically and photochemically induced contrary linear motion of two plates.)
The objective of this project was the construction of advanced molecular architectures that assemble themselves when the individual components are mixed together. These components consist of two flat 'plates' and two linear rigid 'rails'. The emphasis of the project has been on the extremely complex synthesis of the plates. These have the form of a 'figure of eight', but the central point is replaced by a porphyrin unit. A porphyrin is a flat, highly coloured compound that has a rigid cavity that can act as a host for metal ions. We have appended two macrocycles to the porphyrin, where each macrocycle contains a phenanthroline unit. The function of the phenanthroline unit is to coordinate to metal ions, which can in turn coordinate to other molecules, and allow us to build up complex architectures taking advantage of the coordination characteristics of the metal ions. This project has had several major synthetic achievements in the field of porphyrin chemistry on the way to its final goal. Firstly, synthetic routes were established to create porphyrins appended with first one and then two macrocycles using previously unexplored starting materials. Furthermore, the routes required creating mono or bis macrocycles appended to a porphyrin were different, requiring a change of tactics between the two. The most important scientific achievement of the project was the use of coordination chemistry to self-assemble a multiply-threaded species. Each plate has two macrocycles containing a site that will bind to a metal. These sites are opposite one another ie at north and south of the porphyrin. Therefore, if we have a rigid rail that also contains two binding sites that are next to each other we should be able to thread the rails through the macrocycles in such a way that a molecule with a rectangular shape is formed. Of course, this is not the only possible product that could be formed and it is remarkable that this quadruply interlocked species is formed as the major product of the reaction.
Текст от CORDIS, на английски · Данни: CORDIS, © Европейски съюз
Цел на проекта
The fabrication of molecular machines that display motion of one component with respect to another is currently attracting much interest. Most examples only display motion rather than utilise it to fulfil a particular task. The objective of this proposal is to advance current achievements by fabricating molecular machines whose motion can be exploited to perform a specific function.This will achieved by the construction of self-assembled nanoscale molecular presses consisting of a track along which two functional plates move to open or closed positions upon external (electrochemical or photo-induced) stimulus. The motion of the plates will ultimately be used to activate specific processes, such as an uptake and release system, as well as mimics of chaperones in protein folding and light harvesting systems for photo-induced processes.The construction of these devices utilises a range of techniques including synthetic organic chemistry, coordination chemistry and electrochemical or spectroscopic techniques. The nature of the methodology is multidisciplinary, leading to the transfer of knowledge and expertise between groups and the formation or reinforcement of European collaborations.The diverse nature of techniques required will give the researcher valuable new skills to complement those he already possesses, which can be applied constructively to the project, leading to a strong base for professional development. The mobility will allow a young researcher to work in a centre of excellence, where both scientific and complementary skills such as research management and communication will be reinforced.The project is highly relevant to the expanding area of nanotechnology and can make a contribution to the public understanding of the subject as well as significant technological advances.
Оригинален текст от CORDIS (на английски).
Участници
- UNIVERSITE LOUIS PASTEUR · STRASBOURGКоординаторФранция
Връзки
Данни: CORDIS, © Европейски съюз