NASA ‘nano satellite’ to study how effectively drugs work in spaceApril 29th, 2009 - 1:50 pm ICT by ANI
Washington, April 29 (ANI): NASA is preparing to fly a nano satellite about the size of a loaf of bread that could help scientists better understand how effectively drugs work in space.
The nanosatellite, known as PharmaSat, is a secondary payload aboard a U.S. Air Force four-stage Minotaur 1 rocket planned for launch the evening of May 5.
PharmaSat weighs approximately 10 pounds.
It contains a controlled environment micro-laboratory packed with sensors and optical systems that can detect the growth, density and health of yeast cells and transmit that data to scientists for analysis on Earth.
PharmaSat also will monitor the levels of pressure, temperature and acceleration the yeast and the satellite experience while circling Earth at 17,000 miles per hour.
Scientists will study how the yeast responds during and after an antifungal treatment is administered at three distinct dosage levels to learn more about drug action in space, the satellite’s primary goal.
“Secondary payload nanosatellites expand the number of opportunities available to conduct research in microgravity by providing an alternative to the International Space Station or space shuttle conducted investigations,” said Elwood Agasid, PharmaSat project manager at NASA’s Ames Research Center in Moffett Field, California.
“The PharmaSat spacecraft builds upon the GeneSat-1 legacy with enhanced monitoring and measurement capabilities, which will enable more extensive scientific investigation,” he added.
After PharmaSat separates from the Minotaur 1 rocket and successfully enters low Earth orbit at approximately 285 miles above Earth, it will activate and begin transmitting radio signals to two ground control stations.
When NASA spaceflight engineers make contact with PharmaSat, which could happen as soon as one hour after launch, the satellite will receive a command to initiate its experiment, which will last 96 hours.
Once the experiment begins, PharmaSat will relay data in near real-time to mission managers, engineers and project scientists for further analysis.
The nanosatellite could transmit data for as long as six months.
“PharmaSat is an important experiment that will yield new information about the susceptibility of microbes to antibiotics in the space environment,” said David Niesel, PharmaSat’s co-investigator from the University of Texas Medical Branch Department of Pathology and Microbiology and Immunology in Galveston.
“It also will prove that biological experiments can be conducted on sophisticated autonomous nanosatellites,” he added. (ANI)
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Tags: ames research center, ground control stations, international space station, launch, loaf of bread, low earth orbit, measurement capabilities, microgravity, moffett field california, nasa spaceflight, optical systems, pressure temperature, radio signals, satellite experience, scientific investigation, secondary payload, space shuttle, u s air, u s air force, yeast cells