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6 Current news of Seoul National University

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Flexible organic electronics mimic biological mechanosensory nerves

04-Jun-2018

Researchers at Seoul National University and Stanford University developed artificial mechanosensory nerves using flexible organic devices to emulate biological sensory afferent nerves. They used the artificial mechanosensory nerves to control a disabled insect leg and distinguish braille ...

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Peptide induces chirality evolution in a single gold nanoparticle

20-Apr-2018

For the first time, scientists have successfully created optically active, chiral gold nanoparticles using amino acids and peptides. Many chemicals significant to life have mirror-image twins (left-handed and right-handed structures), a characteristic that is conventionally called chirality. This ...

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Combining nanotextured surfaces with the Leidenfrost effect for extreme water repellency

19-May-2016

Combining superhydrophobic surfaces with Leidenfrost levitation--picture a water droplet hovering over a hot surface rather than making physical contact with it--has been explored extensively for the past decade by researchers hoping to uncover the holy grail of water-repellent surfaces. In a new ...

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Creating chiral carbons

23-Jan-2009

South Korean scientists have developed a racemisation-resistant substrate that can be selectively alkylated to make new chiral carbon centres. Although there are many ways to make chiral carbon centres by alkylating carbonyl compounds, until now scientists have been unable to asymmetrically ...

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Nanotubes Go With the Flow

Nanochannels impose order by capillary action

25-Jan-2008

Carbon nanotubes are attractive candidates for use as the active elements in the next generation of electronic devices. However, it has proven incredibly difficult to align nanotubes within device architectures. Most of the approaches for lining up carbon nanotubes reported until now are only ...

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Better Insight into Brain Anatomical Structures

Manganese oxide nanoparticles as contrast agents for brain magnetic resonance imaging

31-May-2007

Magnetic resonance imaging is a very effective method for revealing anatomical details of soft tissues. Contrast agents can help to make these images even clearer and allow physiological processes to be followed in real time. Conventional gadolinium complexes currently used as MRI contrast agent ...

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