Bio Memory Disc Integrating Lab-on-a-Chip Fluid Control
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Solution Overview
Problem
Current clinical diagnostic assay devices are expensive and centralized, limiting their availability for urgent or emergent analyses, and existing optical discs lack the capability for controlled fluid flow necessary for lab-on-a-chip processes.
Innovation Solution
A bio memory disc integrating a lab-on-a-chip process system with semiconductor memory, featuring a polycarbonate or silicon substrate with injection molding or photolithography-formed channels and micro valves for fluid control, and a bio memory disc drive apparatus that can read and write both optical and semiconductor data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If clinical diagnostic assay devices are centralized and expensive, then diagnostic accuracy and reliability are improved, but accessibility and availability for urgent analyses deteriorate
Solution Approach 1:
The patent segments the centralized diagnostic system into distributed portable devices. Each portable diagnostic device contains integrated laboratories-on-a-chip that can perform complete diagnostic assays independently, eliminating the need for centralized facilities while maintaining diagnostic accuracy through standardized microfluidic processes and automated detection systems
Solution Approach 2:
The portable diagnostic devices are designed to be self-sufficient with integrated sample processing, reagent storage, assay execution, and result detection capabilities. The devices can autonomously perform complete diagnostic workflows from sample introduction to result output, enabling point-of-care testing without requiring centralized laboratory infrastructure
2Weight of moving object
If optical discs are used for data storage, then portability is improved, but fluid control capability for lab-on-a-chip processes deteriorates
Solution Approach 1:
The patent merges two previously separate functions into a single integrated disc structure: the optical data storage capabilities and the lab-on-a-chip fluid handling system. The disc contains both semiconductor memory for data storage and microfluidic channels with micro valves for fluid control, allowing simultaneous data handling and biochemical processing in one portable device
Solution Approach 2:
The disc is designed as a universal platform that performs multiple functions: optical data storage, semiconductor data storage, fluid transport, sample processing, and result detection. The micro valves and channels enable the same disc structure to handle various fluid-based diagnostic assays while maintaining data storage capabilities
Data Source
AI summary
The present invention provides a bio memory disc where a lab-on-a-chip process system including an assay-diagnosis unit, a nucleic acid hybridization assay unit, or an immuno-assay unit and a semiconductor memory is disposed, a bio memory disc drive apparatus including a controller for controlling and driving an optical disc including CD or DVD and the bio memory disc and an assay method using the same.