Scientists have to work through the night to collect biologicalsamples during the brief hours of darkness when the phytoplankton is not photosynthesizing.
His company Cofactor Bio offers a sequencing service to complement its GeneLaser DNA Sequencing Kit, which includes reagents for amplifying target sequences, and DNA Barcoding Kit, for identifying the biological origin of samples (available in editions for fish, fungi, flower plants, and other organisms).
The IAAF said they had been collecting samples from various athletes in the build up to the Olympics and would conduct 200 more biological passports during the Games.