Nanowires and bacteria harnessed for artificial photosynthesis

A prototype system to produce chemicals and fuels from sequestered carbon dioxide, water, and sunlight uses semiconductor nanowires to produce electron-hole pairs, which are then used by two types of bacteria to produce oxygen and a variety of useful chemical products.

Nanothreads formed from smallest possible diamonds

A new form of carbon produced by very slowly releasing benzene compressed at 200,000 times atmospheric pressure may be the strongest material possible.

Gold nanotubes engineered for diagnosis and therapy

Gold nanotubes engineered to a specified length, modified surfaces, and to have other desirable characteristics showed expected abilities to enter tumor cells in laboratory studies, and to distribute to tissues within live mice as intended.

Foresight Institute Awards Feynman Prizes in Nanotechnology to Amanda S. Barnard, Joseph W. Lyding

The Theory Prize was given for research into diamond nanoparticles; the Experimental Prize was given for development of scanning tunneling microscope (STM) technology.

Solid-phase synthesis of custom-made DNA nanotubes

Single-molecule spectroscopy makes possible adding one rung at a time to a foundational rung grafted to a surface to make a long nanotube scaffold of predetermined sequence.

DNA nanoswitches open window on molecular interactions

Positioning two or more molecules along a long DNA strand can cause the DNA molecule to adopt different shapes if the molecules interact. Quickly and cheaply separating these shapes by a simple gel electrophoresis assay provides a wealth of information about how the molecules interact.

New scaffold for nanotechnology engineered from amyloid-like proteins

Design and computational simulation of amyloid proteins of diverse functions from diverse sources enable the self-assembly of proteins that could provide scaffolds for diverse applications.

Cotranscriptional folding of single RNA strand added to nanotechnology toolkit

RNA origami brings new dimensions to nucleic acid nanotechnology by exploiting the much greater variety of RNA structural motifs (compared to DNA) to do what cannot easily be done with DNA origami, like fold into predetermined nanostructures rapidly while being transcribed.

Automated synthesis expands nanotechnology building block repertoire

Iterative coupling, purification, and cyclization of a large collection of organic building blocks promises a vast array of complex small and medium sized molecules as candidates for drug discovery, catalysis, and nanotechnology.

Targeted nanoparticles deliver molecules to resolve atherosclerotic inflammation

In tests in a mouse model of advanced atherosclerosis, core-shell nanoparticles, composed of block copolymers and targeted to sites of inflammation and vascular injury, delivered a bioactive peptide that improved key properties of advanced plaques.

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