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Updated: May 9, 2026
Automated Robotic Liquid Handling Assembly of Modular DNA Devices
Published on: December 1, 2017
A generic template for automated bioanalytical ligand-binding assays using modular robotic scripts in support of
Jia Duo1, Huijin Dong, Binodh DeSilva
1Bioanalytical Sciences - Biologics, Analytical & Bioanalytical Development, Bristol-Myers Squibb, Princeton, NJ 08543, USA.
Background:
Sample dilution and reagent pipetting are time-consuming steps in ligand-binding assays (LBAs). Traditional automation-assisted LBAs use assay-specific scripts that require labor-intensive script writing and user training.
Results:
Five major script modules were developed on Tecan Freedom EVO liquid handling software to facilitate the automated sample preparation and LBA procedure: sample dilution, sample minimum required dilution, standard/QC minimum required dilution, standard/QC/sample addition, and reagent addition. The modular design of automation scripts allowed the users to assemble an automated assay with minimal script modification. The application of the template was demonstrated in three LBAs to support discovery biotherapeutic programs.
Conclusion:
The results demonstrated that the modular scripts provided the flexibility in adapting to various LBA formats and the significant time saving in script writing and scientist training. Data generated by the automated process were comparable to those by manual process while the bioanalytical productivity was significantly improved using the modular robotic scripts.
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