ORCA

Optical Responses Controlled by DNA Assembly

 Coordinatore LUDWIG-MAXIMILIANS-UNIVERSITAET MUENCHEN 

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 Nazionalità Coordinatore Germany [DE]
 Totale costo 1˙433˙840 €
 EC contributo 1˙433˙840 €
 Programma FP7-IDEAS-ERC
Specific programme: "Ideas" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013)
 Code Call ERC-2013-StG
 Funding Scheme ERC-SG
 Anno di inizio 2013
 Periodo (anno-mese-giorno) 2013-12-01   -   2018-11-30

 Partecipanti

# participant  country  role  EC contrib. [€] 
1    LUDWIG-MAXIMILIANS-UNIVERSITAET MUENCHEN

 Organization address address: GESCHWISTER SCHOLL PLATZ 1
city: MUENCHEN
postcode: 80539

contact info
Titolo: Mr.
Nome: Steven
Cognome: Daskalov
Email: send email
Telefono: 498922000000
Fax: 498922000000

DE (MUENCHEN) hostInstitution 1˙433˙840.00
2    LUDWIG-MAXIMILIANS-UNIVERSITAET MUENCHEN

 Organization address address: GESCHWISTER SCHOLL PLATZ 1
city: MUENCHEN
postcode: 80539

contact info
Titolo: Prof.
Nome: Tim
Cognome: Liedl
Email: send email
Telefono: 498922000000
Fax: 498922000000

DE (MUENCHEN) hostInstitution 1˙433˙840.00

Mappa


 Word cloud

Esplora la "nuvola delle parole (Word Cloud) per avere un'idea di massima del progetto.

molecules    assembly    detection    visible    metamaterials    dimensions    molecular    self    chiral    wavelengths    dipoles    particle    operate    materials    fabrication    barrier    light    induce    designed    dna    organic    helices    optical    metal   

 Obiettivo del progetto (Objective)

'Artificially constructed materials can be designed to shape the propagation of light and can thus exhibit optical characteristics that are not found in nature. With such metamaterials, remarkable optical applications such as cloaking of objects, sensing of molecular environments or the fabrication of perfect lenses that are not bound by optical resolution limits could be realised. However, for metamaterials to operate at visible wavelengths they have to be structured in three dimensions with nanometre precision which currently poses an enormous barrier to their fabrication. By using molecular self-assembly based on the self-recognizing properties of sequence-programmable DNA strands, this barrier will be overcome. After having pioneered the 3D DNA origami method and the creation of DNA-based metamaterials, I propose the following new paths of research: i) Metamaterials that are switchable in electric or magnetic fields and operate at visible or near infrared wavelengths will be designed and produced by DNA self-assembly for the first time. The hypothesis that materials with strong chirality show negative refraction will be tested and optical resonators with dimensions below 100 nm will be generated. ii) The light-shaping characteristics of metal particle helices will be used to detect organic molecules. As most organic molecules are chiral and can be considered as chiral arrangements of multiple dipole elements, it is expected that the organic dipoles couple to the plasmonic dipoles of the metal helices. This in turn will induce changes in the optical activity of the material. In a parallel approach, organic molecules will be used to induce conformational changes in DNA-supported particle assemblies, which will then be detected in their optical response. Both of these fundamentally new detection schemes will allow extremely sensitive detection of biomolecules at visible wavelengths.'

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