3.24.2004
MICROCHIP
Johns Hopkins researchers have constructed a new type of microchip that can
move and isolate DNA and protein molecules. By linking the chip with analysis
equipment, a user may be able to identify medical ailments, monitor a patient's
health, or detect viruses and other biohazards before they spread.
The chips take advantage of the natural negative charge possessed by DNA or a
surface charge imposed on the molecules. "The chip has tiny wires, each about
one-fifth the diameter of a human hair, embedded in a circular pattern," Eric
Simone, a senior biomedical engineering student, said. "When it's connected to
a power source, it allows us to generate an electric field that can transport
molecules to a designated area for study."
Visit http://link.abpi.net/l.php?20040323A5 for more information.
Johns Hopkins researchers have constructed a new type of microchip that can
move and isolate DNA and protein molecules. By linking the chip with analysis
equipment, a user may be able to identify medical ailments, monitor a patient's
health, or detect viruses and other biohazards before they spread.
The chips take advantage of the natural negative charge possessed by DNA or a
surface charge imposed on the molecules. "The chip has tiny wires, each about
one-fifth the diameter of a human hair, embedded in a circular pattern," Eric
Simone, a senior biomedical engineering student, said. "When it's connected to
a power source, it allows us to generate an electric field that can transport
molecules to a designated area for study."
Visit http://link.abpi.net/l.php?20040323A5 for more information.
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