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Plasmonic tool images biomolecules

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Ashley N. Paddock, [email protected]

For the first time, optical nanoantennas can harness the power of plasmonics to study the dynamics of cell membrane biology. A unique artificial biological platform combines a fluid bilayer of lipid molecules with a fixed pattern of nanoantennas to observe biomolecules in motion. The method offers a tool for investigating the immune system’s cellular signaling network. Researchers from the Department of Energy’s Lawrence Berkeley National Laboratory and the University of California, Berkeley, developed a technique for lacing artificial lipid membranes with billions of gold...Read full article

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    Published: May 2012
    Glossary
    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.
    photonics
    The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
    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...
    AmericasBasic ScienceBerkeley LabbiomoleculesBiophotonicsBioScanbow tie nanoantennasCaliforniacolloidal lithographyfluid lipid molecule bilayersgold nanoantennasindustrialJay GrovesLawrence Berkeley National LaboratorynanonanopatterningnanotrianglesNewsoptical nanoantennasoptical signalsOpticsphotonicsplasma processingplasmonicsUniversity of California BerkeleyUS Department of Energy

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