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Hamamatsu Corp. - Earth Innovations LB 2/24

DNA origami nanolenses visualize single modules

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Ashley N. Rice, [email protected]

Self-assembling nanolenses that use DNA as a construction material represent a better way of visualizing single molecules and could help unlock biological processes such as DNA transcription or replication at the single-molecule level. Drs. Guillermo Acuna and Philip Tinnefeld of the Institute for Physical and Theoretical Chemistry at Technical University Braunschweig led the interdisciplinary group that used DNA origami – a nanostructure foundation process developed in 2006 – to create a scaffold for its nanoantenna. A new self-assembling nanolens that uses DNA as a...Read full article

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    Published: January 2013
    Glossary
    fluorescence
    Fluorescence is a type of luminescence, which is the emission of light by a substance that has absorbed light or other electromagnetic radiation. Specifically, fluorescence involves the absorption of light at one wavelength and the subsequent re-emission of light at a longer wavelength. The emitted light occurs almost instantaneously and ceases when the excitation light source is removed. Key characteristics of fluorescence include: Excitation and emission wavelengths: Fluorescent materials...
    nano
    An SI prefix meaning one billionth (10-9). Nano can also be used to indicate the study of atoms, molecules and other structures and particles on the nanometer scale. Nano-optics (also referred to as nanophotonics), for example, is the study of how light and light-matter interactions behave on the nanometer scale. See nanophotonics.
    optical
    Pertaining to optics and the phenomena of light.
    plasmonics
    Plasmonics is a field of science and technology that focuses on the interaction between electromagnetic radiation and free electrons in a metal or semiconductor at the nanoscale. Specifically, plasmonics deals with the collective oscillations of these free electrons, known as surface plasmons, which can confine and manipulate light on the nanometer scale. Surface plasmons are formed when incident photons couple with the conduction electrons at the interface between a metal or semiconductor...
    Basic ScienceBiophotonicsBioScanDNADNA origamiEuropefluorescenceGermanygold nanoparticlesGuillermo AcunaImagingInstitute for Physical and Theoretical ChemistrylensesnanonanoantennananolensnanolensesnanopillarNewsopticalOpticsPhilip Tinnefeldplasmonic fieldsplasmonicsscienceself-assemblysignal processingsingle moleculesTechnical University Braunschweigviral DNAzeptoliter

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