Mechanical-Change Sequence Detection System for Nucleic Acid Analysis
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Solution Overview
Problem
Current sequence detection systems face challenges in accurately and efficiently identifying sequences of entities, often requiring increased complexity and cost to improve reliability and speed, and there is a need for more effective methods to determine sequences of nucleic acid monomers.
Innovation Solution
A mechanical-change-based sequence detection system that utilizes a mechanical-change sensor and a mechanical-change-to-signal transducer to generate signals from interactions with nucleic acid polymers, coupled with an analysis subsystem to determine monomer sequences, employing a Klenow fragment of E. coli DNA polymerase I as the mechanical-change sensor component and a DNA-polymer tether as the variable-resistance component.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple types of detectors and multiple types of signals are used to improve reliability and accuracy of sequence detection, then the reliability and accuracy increase, but the cost and complexity increase
Solution Approach 1:
The patent employs a universal detection mechanism that can detect multiple types of entities (nucleic acids, proteins, synthetic polymers) using the same mechanical-change sensor and transducer system. The analysis subsystem is designed to handle various signal types and determine sequences of different entity types, allowing one system to perform multiple detection functions without requiring separate specialized detectors for each entity type, thus improving reliability across applications while controlling complexity.
2Measurement precision
If multiple types of detectors and multiple types of signals are used to improve accuracy of sequence detection, then the accuracy increases, but the cost increases
Solution Approach 1:
The patent replaces complex optical, electromagnetic, or chemical detection systems with a mechanical-change-based detection system. The mechanical-change sensor detects physical changes (such as conformational changes) in entities during sequence determination, and the mechanical-change-to-signal transducer converts these mechanical changes into detectable signals. This substitution achieves high measurement precision while avoiding the high costs and complexities associated with multiple specialized detectors.
3Reliability
If traditional sequence detection methods are used to improve reliability, then the reliability increases, but the speed of sequence identification decreases
Solution Approach 1:
The patent enables continuous sequence determination by maintaining the mechanical-change sensor in constant interaction with entities as they pass through the detection zone. The mechanical-change-to-signal transducer continuously converts mechanical changes into signals, and the analysis subsystem continuously processes these signals to determine sequences in real-time. This continuous operation mode allows rapid sequence identification while maintaining reliable detection, overcoming the speed limitation of traditional batch-based methods.
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
This approach allows for the efficient and accurate determination of nucleic acid monomer sequences by transducing mechanical changes into electrical signals, enabling precise identification of sequence types with reduced complexity and cost, while maintaining high reliability and speed.
Implementation Method 1
a mechanical-change-to-signal transducer that transduces mechanical changes in the nucleic-acid-polymerase mechanical-change component into an output signal
Data Source
AI summary
The current document discusses electromechanical sequence detectors that transduce changes in the shape of a shape-change sensor component into an electrical signal from which one or more derived values are generated. In a disclosed implementation, the sequence-detection system comprises a mechanical-change sensor that changes shape when specifically interacting with entities within a target, a shape-to-signal-transduction component that transduces changes in the shape of the mechanical-change sensor into an electrical signal, an analysis subsystem that determines the types of entities within the target using the electrical signal, and a control subsystem that continuously monitors operational characteristics of the sequence-detection system and adjusts sequence-detection system operational parameters.