Chromatographic Procedure Validation Against Flow and Pressure Limits
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Solution Overview
Problem
Chromatographic procedures in high-performance liquid chromatography face challenges in increasing throughput while maintaining analysis quality and reducing unplanned downtimes due to the lack of validation of parameters against system limits, leading to potential system damage and inefficiencies.
Innovation Solution
A data processing device validates chromatographic procedures by checking boundary conditions such as flow rate, pressure limits, and other parameters before execution, ensuring compatibility with the chromatography system, thereby preventing incompatible procedures and reducing downtime.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If chromatographic procedures are executed without validation of parameters against system limits, then system throughput and resource utilization can be maximized, but system reliability deteriorates due to potential damage from incompatible procedures
Solution Approach 1:
The system performs preliminary validation of chromatographic procedures by checking boundary conditions (flow rate, pressure, temperature, solvent composition) against system limits before execution. This advance verification prevents incompatible procedures from being executed, eliminating system damage while maintaining high throughput by only blocking truly incompatible methods.
2Reliability
If automated validation of boundary conditions is implemented, then system reliability is improved by preventing incompatible procedures, but device complexity increases due to additional validation mechanisms
Solution Approach 1:
The system performs self-validation by automatically checking boundary conditions against stored system limits without requiring external intervention. The validation logic is embedded within the control system, enabling the instrument to autonomously verify procedure compatibility and prevent execution of incompatible methods, thereby maintaining reliability without proportionally increasing complexity.
3Reliability
If validation of multiple parameters is performed before procedure execution, then system reliability is improved by avoiding system damage, but loss of time occurs during the validation process
Solution Approach 1:
Boundary conditions and system limits are pre-configured and stored in the system memory before operation. During validation, the system only needs to retrieve these stored values and compare them against procedure parameters, rather than performing complex calculations or measurements in real-time. This preliminary setup minimizes validation time while ensuring comprehensive checking of all critical parameters.
4Productivity
If chromatographic procedures operate beyond system pressure limits, then productivity is improved by achieving higher flow rates, but harmful factors increase due to potential system damage
Solution Approach 1:
The system applies preliminary anti-action by validating that requested flow rates will not result in pressures exceeding system limits before allowing procedure execution. The validation calculates expected pressure based on flow rate and system characteristics, and blocks execution if the boundary condition (pressure limit) would be violated, thereby preventing harmful effects while allowing maximum safe productivity.
Data Source
AI summary
The present invention relates to a method to validate at least one chromatographic procedure, wherein the method comprises: a data processing device validating a plurality of parameters relating to the at least one chromatographic procedure, wherein the validating comprises the data processing device checking whether at least one boundary condition is met. The present invention also relates to a corresponding system, computer program, computer-readable medium and data carrier signal.