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Showing 1–4 of 4 results
Advanced filters: Author: Ali Passian Clear advanced filters

  • A method has been developed for preparing a variety of potentially useful spherical particles, ranging from several nanometres to millimetres in diameter. It relies on the same fluid instability that causes taps to drip. See Letter p.463

    • Ali Passian
    • Thomas Thundat
    News & Views
    Nature
    Volume: 487, P: 440-441

  • Scanning near-field ultrasonic holography has been used to probe inside cells taken from the lungs of mice that had been exposed to carbon nanohorns, and provides evidence that these particles can enter the cells. The ability to detect nanoparticles below the cell surface could make this technique useful for studying toxicity of nanomaterials.

    • Laurene Tetard
    • Ali Passian
    • Thomas Thundat
    Research
    Nature Nanotechnology
    Volume: 3, P: 501-505

  • Plant cells are elaborate three-dimensional polymer nano-constructs with complex chemistry. Here, multimodal scattering nearfield optical microscopy of poplar trees is used to establish in situ high-resolution mappings of the local dielectric functions and compositional distribution of lignin and cellulose in plant cell walls.

    • Anne M. Charrier
    • Aubin C. Normand
    • Aude L. Lereu
    ResearchOpen Access
    Communications Materials
    Volume: 2, P: 1-12