Release date: 2010-09-06
Researchers have invented a new optical rhythm that uses infrared laser pulses to control embryonic heartbeat, the first time a laser pulse is used to control the rhythm of a complete heart in vivo. The new results were published in the journal Nature-Photonics, which was published online in August.
Michael Jenkins and Andrew Rollins collaborated with colleagues to release a 1 to 2 microsecond long pulse of infrared light from the heart of a 2 to 3 day old embryo. They found that the beating of the heart gradually synchronized with the laser pulse and eventually "locked" to the frequency of the laser pulse and would change as the frequency of the laser pulse increases or decreases.
Once optimized, all optical methods can be used for non-invasive studies in cardiology. Although practice validation is still needed, the researchers also evaluated the feasibility of this method for adult heart.
Source: Pharmaceutical Economics
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