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How robots can reduce drug experiments

Sentinel Digital DeskBy : Sentinel Digital Desk

  |  11 Feb 2016 12:00 AM GMT

New York, Feb 10: Researchers, including an Indian-origin scientist, have created a robotically-driven experimentation system to determine the effects of a large number of drugs on many proteins, reducing the number of necessary experiments by as much as 70 percent. “Biomedical scientists have invested a lot of effort in making it easier to perform numerous experiments quickly and cheaply,” said lead author Armaghan ik from Carnegie Mellon University’s computatiol biology department. “However, we simply cannot perform an experiment for every possible combition of biological conditions, such as genetic mutation and cell type. Researchers have, therefore, had to choose a few conditions or targets to test exhaustively, or pick experiments themselves. The question is which experiments do you pick,” ik added. For this, ik’s team previously described the application of a machine learning approach called “active learning”. This involved a computer repeatedly choosing which experiments to do, in order to learn efficiently from the patterns it observed in the data. While their approach had only been tested using synthetic or previously acquired data, the team’s current model builds on this by letting the computer choose which experiments to do. The experiments were then carried out using liquid-handling robots and an automated microscope. (IANS)

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