Use of Robotics To Transfer Cultures on Agar-Containing Media to Fresh Media

The automation of transfer of microorganisms to fresh growth medium is described. The system was used to transfer our collection of about 1,500 bacteria and fungi without detectable contamination in a total time of 125 h.

Use of Robotics To Dispense Culture Media

Liquid and agar-containing media can be aseptically dispensed by a laboratory robot. Five errors occurred during the filling of 700 tubes with medium; four of these were due to imperfections of the screw-threaded caps of the culture tubes. The mean volume dispensed was 14.8 ml (standard deviation, 0.5; n = 50) when the system was set to deliver 15 ml.

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