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The chemistry lab inside cells

E-Mail IMAGE: (A) X-ray crystal structure of QhpG and schematic of crosslinked QhpC. The substrate QhpC is bound to the pocket formed by the catalytic domain, which includes the FAD cofactor and. view more Credit: Osaka University Osaka, Japan - Investigators from the Institute of Scientific and Industrial Research at Osaka University, together with Hiroshima Institute of Technology, have announced the discovery of a new protein that allows an organism to conduct an initial and essential step in converting amino acid residues on a crosslinked polypeptide into an enzyme cofactor. This research may lead to a better understanding of the biochemistry underlying catalysis in cells.

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Nanodiamonds feel the heat

E-Mail IMAGE: (a) Illustration of the structure of a nanodiamond quantum sensor coated with a pyrogenic polymer, and how it operates as a hybrid nanoheater/thermometer. (b) Electron microscope image of hybrid sensors.. view more Credit: Osaka University Osaka, Japan - A team of scientists from Osaka University, The University of Queensland, and the National University of Singapore s Faculty of Engineering used tiny nanodiamonds coated with a heat-releasing polymer to probe the thermal properties of cells. When irradiated with light from a laser, the sensors acted both as heaters and thermometers, allowing the thermal conductivity of the interior of a cell to be calculated. This work may lead to a new set of heat-based treatments for killing bacteria or cancer cells.

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Nanotechnology Now - Press Release: Electrons hop to it on twisted molecular wires: Scientists at Osaka University devise a method to improve the conductivity of molecular wires by intentionally adding periodic twists to the conjugated chains, which may lead to sophisticated and more environmentally friendly electr

Nanotechnology Now - Press Release: Electrons hop to it on twisted molecular wires: Scientists at Osaka University devise a method to improve the conductivity of molecular wires by intentionally adding periodic twists to the conjugated chains, which may lead to sophisticated and more environmentally friendly electr
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