![](http://www.alamy.com/thumbs/6/3BDCBE59-A288-422A-B3D1-900B6A43ECE4/2ACHDN1.jpg)
Lab-on-a-chip. Technician pumping blood from a syringe into a lab-on-a-chip designed to detect T-cells (lymphocytes) that express the protein CD4. HIV
Lab-on-a-chip. Technician pumping blood from a syringe into a lab-on-a-chip designed to detect T-cells (lymphocytes) that express the protein CD4. HIV, the virus that causes AIDS, attacks cells containing CD4 and the onset of full-blown AIDS can be measured by a dramatic reduction in CD4 carrying T-cells. This lab-on-a-chip, created by biomedical engineer Mehmet Toner could one day be used as an accurate, reliable and cheap method to monitor the blood of HIV patients. Photographed in 2009.
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Photo credit: © VOLKER STEGER/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
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