Full source of this article in German:
http://www.szon.de/lokales/spaichingen/stadt/200503070146.htmlRed blood cells lump by mobile phone
Two students of the Gymnasium high school in Spaichingen (Germany)
have investigated the influence of using a mobile phone on the red
blood cells. With a microscope they made 255 pictures of the blood of
51 testees. The students, Maria Ritter and Wasgan Wolski, received a
regional award for young researchers, reports the Schwäbische
Zeitung
of March 7, 2005.
The testees were not allowed to use their mobile phones for 24 hours.
Afterwards the researchers took blood from a finger tip and earlobe.
Then the testees had to use a phone for 20 seconds. Immediately after
that the researchers took blood again and ten minutes later again.
The result: after using the mobile phone it was clearly visible that
the red blood cells lumped together in 'rolls of coins'.
Also ten minutes afterwards the 'rolls of coins' still were clearly
visible. The lumping raises the risk of thrombosis. Moreover the
cells take up and transport less oxygen, report Ritter and Wolski.
The research was directed by their teacher dr. Markus Ziegler.
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