Automated Closed-System Sample Preparation for Real-Time CQA Assays
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Solution Overview
Problem
Existing assays for analyzing Critical Quality Attributes (CQAs) of polypeptide therapeutic molecules, such as glycan profiles, are manually operated and time-consuming, leading to delays in drug development and manufacturing adjustments, which can result in suboptimal product quality.
Innovation Solution
A closed system and automated method using multi-port valves, capture and desalting columns, and reaction coils to prepare and analyze samples in real-time, enabling efficient separation and labeling of molecules like polypeptides and glycans for rapid CQA analysis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If manual sample preparation and analysis processes are used, then operational flexibility is maintained, but turnaround time increases significantly (5 days)
Solution Approach 1:
The system enables self-service automation where the automated sample preparation system independently performs all sample handling, processing, and analysis without requiring manual intervention at each step. The system autonomously manages the complete workflow from sample intake to results generation, eliminating the 5-day manual turnaround while maintaining process control.
Solution Approach 2:
Manual mechanical operations are replaced with an automated robotic system that uses programmed mechanical movements, electronic valve control, and computerized fluid management to perform sample preparation tasks. This substitution reduces turnaround time from days to hours while maintaining operational flexibility through software control.
2Productivity
If manual concentration and purification steps are performed, then sample quality is maintained, but productivity decreases due to time-consuming processes
Solution Approach 1:
The system merges multiple separate manual operations (concentration, purification, sample preparation, and analysis) into a single integrated automated platform. By combining these functions into one unified system with interconnected modules, the patent achieves high productivity while managing complexity through modular design and centralized control.
Solution Approach 2:
The automated system performs multiple functions including concentration, purification, separation, and analysis within a single platform. The system can handle different sample types and perform various analytical tasks, making it universally applicable and highly productive without requiring separate dedicated equipment for each function.
3Reliability
If real-time analysis is implemented, then manufacturing adjustment timing is improved, but system complexity increases
Solution Approach 1:
The system implements real-time feedback by continuously monitoring sample analysis results and providing immediate data to control systems. This enables timely manufacturing adjustments based on current product quality metrics, improving reliability while managing complexity through automated feedback loops and integrated data processing.
Solution Approach 2:
The system maintains continuous operation from sample intake through analysis without interruption or manual transfer steps. The automated workflow ensures uninterrupted processing and continuous data generation, improving product quality control timing while managing system complexity through seamless integrated operations.
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
The system allows for real-time analysis of CQAs in a matter of hours, reducing turnaround time significantly and maintaining sterile conditions, while minimizing sample volume and system footprint, thus enhancing drug development efficiency.
Implementation Method 1
moving the volume of the sample from the second multi-port valve to a capture column; capturing the molecules in the sample in the capture column, thereby separating the molecules in the sample from a matrix of the sample
Implementation Method 2
moving an elution buffer solution from a buffer source to the capture column, thereby eluting molecules captured by the capture column
Data Source
AI summary
Systems and methods that facilitate the automatic (or substantially automatic) preparation of a sample of a product containing molecules for analysis and automatic (or substantially automatic) performance of an assay of that sample. Thus, the preparation and analysis can be performed substantially in-real time, or, in other words, much more quickly than presently allowed by conventional systems and methods.