DNA Data Readout via Drying Pattern Imaging
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Solution Overview
Problem
Current methods for reading out information stored in synthetic or microbial DNA are inefficient, expensive, and lack user-friendly, rapid, and reliable solutions, with existing techniques suffering from high costs, error rates, and complexity.
Innovation Solution
A label-free method using bright field imaging and pattern recognition algorithms to decode digital information stored in DNA by analyzing the drying patterns of micro- or nano-droplets on a substrate, leveraging CMOS image sensors and polystyrene beads with specific oligonucleotide sequences for hybridization, allowing for rapid and inexpensive data retrieval.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional reading methods for DNA-stored information are used, then information can be retrieved, but the process is expensive, slow, and complex requiring sophisticated equipment
Solution Approach 1:
The patent replaces complex mechanical and biochemical reading systems with an optical imaging system. Instead of using expensive and complex sequencing equipment, the invention uses a simple camera to capture images of drying droplet patterns, substituting sophisticated mechanical/biochemical systems with a straightforward optical detection method that dramatically simplifies the reading process while maintaining high speed and accuracy
Solution Approach 2:
The patent creates a visual copy of the DNA information through drying patterns. The molecular information stored in DNA is transcribed into a macroscopic visual pattern on the substrate that can be captured by imaging. This copying mechanism allows the information to be read optically rather than requiring direct molecular analysis, enabling fast and simple retrieval without complex equipment
2Measurement precision
If sophisticated reading equipment is used to ensure accurate data retrieval from DNA, then measurement precision improves, but device complexity and cost increase significantly
Solution Approach 1:
The patent creates a visual copy of the DNA information through drying patterns. The molecular information stored in DNA is transcribed into a macroscopic visual pattern on the substrate that can be captured by imaging. This copying mechanism allows the information to be read optically rather than requiring direct molecular analysis, enabling fast and simple retrieval without complex equipment
Solution Approach 2:
The patent changes the physical state and spatial distribution of the DNA-containing droplet during drying. By controlling evaporation parameters and observing the resulting pattern geometry, the system transforms molecular information into macroscopic spatial patterns that can be detected with simple imaging, maintaining accuracy while avoiding complex equipment
3Reliability
If complex biochemical protocols are used for DNA information readout, then reliability of data retrieval improves, but the process becomes slower and more expensive
Solution Approach 1:
The patent replaces complex mechanical and biochemical reading systems with an optical imaging system. Instead of using expensive and complex sequencing equipment, the invention uses a simple camera to capture images of drying droplet patterns, substituting sophisticated mechanical/biochemical systems with a straightforward optical detection method that dramatically simplifies the reading process while maintaining high speed and accuracy
Solution Approach 2:
The patent performs the information encoding into drying patterns during the droplet evaporation process itself. The pattern forms naturally as the droplet dries on the substrate, with the DNA molecules organizing into visible structures before imaging. This preliminary formation of the readable pattern during the unavoidable drying process eliminates the need for separate complex biochemical processing steps, reducing time while maintaining reliability
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables efficient, rapid, and cost-effective reading of digital information stored in DNA without the need for labels or complex equipment, utilizing pattern recognition algorithms and CMOS image sensors for high-resolution imaging of drying patterns, facilitating portable and user-friendly data retrieval.
Implementation Method 1
depositing a liquid droplet, or an array of liquid droplets, to the substrate receiving surface, wherein the droplet comprises the biomolecular medium and drying the liquid on the substrate receiving surface
Implementation Method 2
forming a progressive recession of a wetting line and a corresponding dried residue pattern
Implementation Method 3
interact specifically with the DNA sequences through specific recognition mechanisms, such as a hybridization reaction
Data Source
AI summary
Provided herein are biological information pattern (BIP) arrays and related methods for reading out information stored in a biological medium. In this manner, encoded digital information in biomolecular medium can be used as a high data density storage medium that may be read-out and accessed in a label-free manner.