Harvard researchers have achieved a major technical milestone with a silicon microchip capable of synthesizing dozens of DNA sequences in parallel, contrasting sharply with the sequential synthesis required by conventional phosphoramidite chemistry. This electrochemical platform leverages aqueous enzymes activated by electrical current, eliminating the environmental and health hazards associated with toxic organic solvents used in traditional DNA manufacturing. The parallel processing capability significantly accelerates DNA production timelines while reducing chemical waste. The innovation demonstrates that electronics-based DNA synthesis can match or exceed the efficiency of benchtop chemical methods while offering superior sustainability. By replacing solvent-dependent approaches with water-based enzymatic synthesis, the platform opens new possibilities for distributed genetic manufacturing and on-demand DNA production at scale. Read the full article on GMJ Newsroom.
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