Real-Time Molecular Accumulation Detection for Microarray Quality Control

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Solution Overview

Problem

Current microarray production methods lack real-time monitoring and quality control, leading to inefficient and costly processes with high failure rates due to unpredictable protein or DNA quantity and purity, and insufficient process control.

Innovation Solution

A method involving real-time detection of product molecule accumulation on a receiver surface using reference spots, allowing for precise control of the manufacturing process by terminating the reaction when desired contrast is reached, thereby ensuring consistent quality and efficiency.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If real-time detection is implemented to monitor product molecule accumulation, then manufacturing precision and quality control are improved, but device complexity and production costs increase

Engineering Contradiction:
Improvequality control of microarray productionVSAvoiddetection system complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The patent implements real-time detection of product molecule accumulation during the copying process, creating a feedback loop that monitors the reaction progress. This allows the system to detect when the desired contrast or quality level is achieved and terminate the process accordingly, preventing overproduction and ensuring consistent quality across all microarrays.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The patent replaces traditional endpoint measurement methods with real-time detection systems that continuously monitor the copying process. This substitution enables dynamic process control without requiring complex mechanical intervention, using optical or other non-contact detection methods to track product molecule accumulation.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Productivity

If endpoint measurement only is used to detect copy completion, then device complexity is reduced, but productivity and resource efficiency deteriorate due to inability to optimize reaction time

Engineering Contradiction:
Improveproduction efficiency of microarraysVSAvoidreaction time optimization
Core Design Contradiction:
ProductivityVSLoss of time

Solution Approach 1:

By implementing real-time detection that provides continuous feedback on product molecule accumulation, the system can determine the exact moment when the copying process reaches optimal completion. This eliminates the need for fixed, conservative reaction times and allows each batch to be processed for the minimum necessary duration, improving throughput and reducing resource consumption.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The detection system enables the copying process to self-regulate by automatically detecting when the desired quality level is achieved and signaling process termination. This self-service capability eliminates the need for continuous manual monitoring and decision-making, allowing the system to optimize its own operation parameters.

Inventive Principle:
Principle #25Self-service

3Manufacturing precision

If staining is performed only after copy production to demonstrate creation, then device complexity is minimized, but manufacturing precision deteriorates as the copy becomes unusable for further measurements

Engineering Contradiction:
Improveusability of copy for further measurementsVSAvoiddetection and staining system complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The patent maintains the copy in its native, unstained state throughout the copying and detection process, allowing continuous useful action. The real-time detection method monitors product molecule accumulation without requiring destructive staining, preserving the copy's usability for subsequent functional measurements and experiments.

Inventive Principle:
Principle #20Continuity of useful action

Solution Approach 2:

The patent substitutes traditional staining-based detection with real-time detection methods that do not require chemical modification of the copy. This replacement allows the copy to remain in its functional state, usable for further measurements, while still enabling comprehensive quality control during the production process.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

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 enables better biochemistry and kinetics understanding, reduces production time and costs, and ensures consistent microarray quality by allowing for real-time monitoring and adjustment of the process, preventing unusable arrays and minimizing waste.

Implementation Method 1

the accumulation of the product molecule on the receiver surface is detected in real time

Methodology Applied
Scientific EffectMolecular attachment detection:

Data Source

PatentEP2852458B1Method for real-time detection of molecular accumulations and/or monitoring the production process of a molecular microarray
Publication Date: 2020.07.08 BIOCOPY GMBH
  • EP2852458B1 patent drawingFigure 1
  • EP2852458B1 patent drawingFigure 2
  • EP2852458B1 patent drawingFigure 3

AI summary

The invention relates to a method for producing a microarray, wherein the production of this array is detected in real time from the accumulation of the product molecules being produced. The invention further relates to a microarray produced by this method, and to a device for the real-time detection of molecular accumulations on an array surface during the production of microarrays.