Tools Boost Data Operation at the Molecular Level

As DNA is increasingly recognized as a promising medium for ultra-dense, long-term data storage, the capacity to precisely manipulate data at the molecular level has become essential. This chapter introduces the physical and biochemical tools that facilitate direct data operations on DNA molecules, including data writing, random access and retrieval, editing, and in situ computation. High-precision DNA synthesis and advanced sequencing technologies form the foundation for reliable data writing and retrieval. Enzyme-based editing tools, such as CRISPR systems, further enhance the precision with which molecular data can be rewritten or reconfigured. Beyond data storage, molecular tools such as DNA hybridization enable sequence-specific interactions capable of driving logical operations, data sorting, and dynamic assembly processes. In addition, DNA origami techniques provide spatial organization of information, thereby supporting parallel computation and nanoscale data structuring. The integration of these tools with microfluidic platforms and automated lab-on-a-chip systems enables efficient scaling, thus paving the way for real-time, high-throughput molecular workflows. Collectively, these advancements enhance the flexibility, scalability, and practical viability of DNA as a next-generation data storage medium.