Adaptive Cell Culture Passaging With Imaging-Based Feedback
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Solution Overview
Problem
Existing cell culture practices lack consistency and objective criteria for passaging, leading to suboptimal cell characteristics and high variation in downstream applications, particularly with sensitive cell types like pluripotent stem cells.
Innovation Solution
An apparatus and system with an imaging module and processor to capture and analyze cell images, calculating characteristics like confluence and morphology, and output adaptive passaging protocols to achieve threshold levels on schedule, using automated modules for pipetting, dispensing, and handling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual passaging is performed based on subjective criteria, then operational flexibility is maintained, but consistency and reliability of cell characteristics deteriorate
Solution Approach 1:
The patent replaces manual visual assessment and subjective judgment with an automated imaging system that captures images of cell cultures and uses image analysis algorithms to objectively measure confluence and morphology. This substitution of mechanical/manual operations with automated optical measurement systems directly resolves the contradiction by ensuring consistent, reliable measurements while reducing operational complexity through automation.
Solution Approach 2:
The system implements feedback by continuously monitoring cell culture characteristics through automated imaging and analysis, then using this data to determine optimal passaging timing. The feedback loop provides objective criteria for passaging decisions, replacing subjective human judgment with data-driven automation, thereby improving reliability without requiring complex manual intervention protocols.
2Measurement precision
If frequent monitoring of cell cultures is performed, then passaging timing accuracy is improved, but time and resource consumption increases
Solution Approach 1:
The patent implements continuous or near-continuous automated monitoring of cell cultures through scheduled imaging, eliminating gaps in observation that occur with manual checking. This continuous monitoring provides precise passaging timing data without requiring researcher time investment for each monitoring event, as the system operates autonomously to capture images and analyze cell characteristics at predetermined intervals.
Solution Approach 2:
The system performs self-service by automatically capturing images, analyzing cell confluence and morphology, and determining passaging timing without human intervention. The automated image analysis algorithms process the imaging data and generate passaging recommendations, freeing researchers from time-consuming manual monitoring while maintaining high measurement precision for passaging decisions.
3Measurement precision
If automated imaging and analysis systems are implemented, then objectivity and consistency of passaging decisions are improved, but device complexity and cost increase
Solution Approach 1:
The patent replaces complex manual assessment procedures with a standardized automated imaging and image analysis system. By substituting human visual inspection with algorithm-based image processing, the system achieves objective, consistent measurements of cell confluence and morphology. This substitution reduces the need for complex human judgment protocols while maintaining measurement precision through automated, reproducible image analysis.
Solution Approach 2:
The system creates digital copies of cell cultures through imaging, allowing analysis of these copies rather than direct manipulation of the cultures. This copying approach enables repeated, non-invasive measurement of the same culture at different time points, providing objective data for passaging decisions without requiring physical intervention. The digital images serve as reproducible records that can be analyzed consistently across different operators and time points.
Data Source
AI summary
Apparatus, systems and methods for the adaptive passage of a culture of cells and apparatus and methods for dissociating cell colonies are described. The systems may include an imaging module, a pipette module, a handling module, and/or a stage module. Coordinated operation of the modules, optionally in an automated manner, is effected by at least one processor based on one or more characteristics of the culture of cells calculated from one or more images captured at more than one time point. A first apparatus for adaptive passage of a culture cells includes an imaging module and at least one processor, which apparatus may be included in the systems or used in the methods. A second apparatus for dissociating cell colonies, may also be included in the systems or used in the methods, includes impact bumper(s) collidable with impact bracket(s) to transmit a dissociative force to a culture of cells.