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OpenCell: A low-cost, open-source, 3-in-1 device for DNA extraction
Aryan Gupta1, Justin Yu2, Elio J Challita3,4
1School of Electrical & Computer Engineering, Georgia Institute of Technology, Atlanta, GA, United States of America.
Plos One
|May 2, 2024
Summary
OpenCell is a low-cost, open-source 3-in-1 lab device combining bead homogenization, microcentrifugation, and vortex mixing. This affordable instrument enables effective DNA extraction for budget-constrained labs and remote research.
Area of Science:
- Biotechnology
- Open Science Hardware
Background:
- High-cost laboratory equipment limits DNA extraction in resource-constrained settings.
- There is a need for affordable, versatile, and portable laboratory tools.
Purpose of the Study:
- To introduce OpenCell, an economical, open-source 3-in-1 laboratory device.
- To demonstrate OpenCell's efficacy in DNA extraction and its potential for synthetic biology applications.
Main Methods:
- OpenCell integrates bead homogenization, microcentrifugation, and vortex mixing using modular magnetic attachments and an epicyclic gearing mechanism.
- The device features RPM measurement, timers, battery operation, and safety features.
- DNA extraction was performed on Spinacia oleracea (spinach) samples.
Main Results:
- OpenCell successfully extracted DNA from spinach with an average yield of 2.3 μg and an A260/A280 ratio of 1.77.
- The extracted DNA was suitable for downstream Polymerase Chain Reaction (PCR) amplification.
- The device has a compact and lightweight design, comparable to a laptop.
Conclusions:
- OpenCell offers a cost-effective (<$50) solution for DNA extraction, significantly cheaper than commercial alternatives (>$4000).
- Its portability and affordability make it ideal for 'lab-in-a-backpack' initiatives in low-resource settings and remote field stations.
- OpenCell promotes accessibility in synthetic biology research through frugal and open hardware principles.
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