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Sensing the nanoscale with visible light

A general rule in optics is that light is insensitive to features which are much smaller than the optical wavelength. However, a new experiment shows that even features that are more than 100 times smaller than the wavelength can still be sensed by light.

Posted: Jun 6th, 2017

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Dual-action cancer nanomedicine therapy

Scientists have fabricated antibody-coated porous silicon nanoparticles that can actively target cells through binding to specific cell-surface receptors. These nanoparticles were demonstrated to selectively deliver multiple therapeutics to human B cells in vitro.

Posted: Jun 6th, 2017

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Deploying therapeutic nano-payloads to cells

Researchers create a huge variety of programmed three-dimensional shapes out of single strands of synthetic DNA, a process known as DNA origami. These nanoparticles may ultimately be deployed as structural scaffolds to deliver vaccines, drugs, or even gene-editing tools such as CRISPR-Cas9 to specific parts of the body, he says.

Posted: Jun 5th, 2017

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New microscopy technique for nanomechanical subsurface imaging

Nondestructive scanning near-field thickness resonance acoustic microscopy (SNTRAM) with sharp phase contrast and mechanical sensitivity provides a wide range of applications in nanomechanical imaging of semiconductor structures and a wide range of other materials.

Posted: Jun 4th, 2017

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