Direct neuron interface via quantum dots

From: Eliezer S. Yudkowsky (
Date: Fri Dec 07 2001 - 18:41:30 MST

(Spotted by Brian Atkins.)

> AUSTIN, Texas By using the molecular-recognition
> capabilities of living cells, scientists have made
> selective electrical contacts to neurons. The cadmium
> sulfide contacts act as photodetectors, allowing
> researchers to communicate with the cells using precise
> wavelengths of light.
> By selectively coding peptides that coated quantum
> dots, University of Texas scientists precisely controlled
> the spacing of hundreds of quantum dots on the
> surface of the living neurons.
> "We are taking small particles of semiconductor
> materials, our quantum dots," said Christine Schmidt, an
> assistant professor of biomedical engineering. "These
> are cadmium sulfide-based materials. We can take
> peptide molecules that have very specific protein
> sequences and put them into the actual semiconductor
> material, which then very specifically binds to particular
> locations on cell surfaces."

-- -- -- -- --
Eliezer S. Yudkowsky
Research Fellow, Singularity Institute for Artificial Intelligence

This archive was generated by hypermail 2.1.5 : Wed Jul 17 2013 - 04:00:37 MDT