High-fidelity robotic PCR amplification
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arXiv
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| Main Authors: | , , , , , , , , , , , , , , , , |
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| Format: | Preprint |
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2025
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| author | Beguin, Vincent Grétillat, Jean Kaminskaitė, Kornelija Juzenas, Simonas Kirsnauskas, Dainius Burgi, Pierre-Yves Wenger, Samuel Remonnay, Valentin Angeloni, Silvia van der Schoot, Bart Cerveaux, Augustin Heinis, Thomas Raisutis, Renaldas Jost, Martin Zemaitis, Lukas Galminas, Ignas Charmet, Jérôme |
| author_facet | Beguin, Vincent Grétillat, Jean Kaminskaitė, Kornelija Juzenas, Simonas Kirsnauskas, Dainius Burgi, Pierre-Yves Wenger, Samuel Remonnay, Valentin Angeloni, Silvia van der Schoot, Bart Cerveaux, Augustin Heinis, Thomas Raisutis, Renaldas Jost, Martin Zemaitis, Lukas Galminas, Ignas Charmet, Jérôme |
| contents | Polymerase chain reaction (PCR) underpins modern molecular biology, yet its deployment in emerging domains such as DNA data storage and distributed diagnostics remains constrained by bulky thermocyclers, complex thermal hardware, and contamination-prone workflows. Here, we present an autonomous robotic PCR platform that redefines thermocycling as a motion-controlled process rather than a temperature-controlled device. The system employs a programmable robotic liquid handler to execute PCR entirely within sealed pipette tips, repeatedly immersing and withdrawing reaction volumes in a single temperature-stabilized oil bath to realize denaturation, annealing, and extension steps through precise spatiotemporal control. This architecture eliminates conventional thermocyclers and enables fully enclosed reactions with complete sample recovery. We demonstrate that the robotic system achieves amplification efficiency and sequencing fidelity comparable to high-performance commercial thermocyclers when applied to DNA-encoded datasets. Beyond performance parity, the platform minimizes consumables consumption, suppresses cross-contamination through physical isolation, and supports parallelization through robotic scheduling rather than hardware duplication. Structural contamination control is demonstrated through sealed-tip confinement, validated by no-template control experiments under deliberate challenge conditions. By abstracting PCR thermocycling into a robotically orchestrated manipulation task, this work establishes a generalizable framework for automated biochemical processing and positions robotic control as a central design axis for scalable, low-cost molecular workflows. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_23877 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | High-fidelity robotic PCR amplification Beguin, Vincent Grétillat, Jean Kaminskaitė, Kornelija Juzenas, Simonas Kirsnauskas, Dainius Burgi, Pierre-Yves Wenger, Samuel Remonnay, Valentin Angeloni, Silvia van der Schoot, Bart Cerveaux, Augustin Heinis, Thomas Raisutis, Renaldas Jost, Martin Zemaitis, Lukas Galminas, Ignas Charmet, Jérôme Quantitative Methods Polymerase chain reaction (PCR) underpins modern molecular biology, yet its deployment in emerging domains such as DNA data storage and distributed diagnostics remains constrained by bulky thermocyclers, complex thermal hardware, and contamination-prone workflows. Here, we present an autonomous robotic PCR platform that redefines thermocycling as a motion-controlled process rather than a temperature-controlled device. The system employs a programmable robotic liquid handler to execute PCR entirely within sealed pipette tips, repeatedly immersing and withdrawing reaction volumes in a single temperature-stabilized oil bath to realize denaturation, annealing, and extension steps through precise spatiotemporal control. This architecture eliminates conventional thermocyclers and enables fully enclosed reactions with complete sample recovery. We demonstrate that the robotic system achieves amplification efficiency and sequencing fidelity comparable to high-performance commercial thermocyclers when applied to DNA-encoded datasets. Beyond performance parity, the platform minimizes consumables consumption, suppresses cross-contamination through physical isolation, and supports parallelization through robotic scheduling rather than hardware duplication. Structural contamination control is demonstrated through sealed-tip confinement, validated by no-template control experiments under deliberate challenge conditions. By abstracting PCR thermocycling into a robotically orchestrated manipulation task, this work establishes a generalizable framework for automated biochemical processing and positions robotic control as a central design axis for scalable, low-cost molecular workflows. |
| title | High-fidelity robotic PCR amplification |
| topic | Quantitative Methods |
| url | https://arxiv.org/abs/2512.23877 |