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San Francisco OQ HPLC Services

In the biopharmaceutical, pharmaceutical, and medical device industries, maintaining the purity and quality of products is paramount to their successful development and safe utilization. HPLC plays a vital role in the biopharma industry by allowing for accurate and reliable analysis of complex biomolecules, and among the various HPLC validation processes, operational qualification (OQ) is a key component that improves the efficiency of biopharmaceutical analysis. The team at GL Technologies works with biopharma clients throughout San Francisco to calibrate, validate, implement, and certify HPLC instruments.

To speak with the experts about your OQ HPLC needs, please fill out our online form or give us a call!


Understanding OQ HPLC

OQ (operational qualification) is a vital part of the HPLC validation that focuses on verifying and documenting the proper functioning of the HPLC system. This step verifies that the instrument is operating consistently within predetermined specifications and meeting regulatory standards. OQ HPLC includes a series of tests and performance checks that validate the vital aspects of the equipment including temperature control, pressure systems, flow rates, detector response, and data acquisition.

OQ HPLC in Biopharmaceutical Analysis

Proteins, peptides, antibodies, and other biomolecules have complex structures and are sensitive to environmental conditions. A slight deviation in the HPLC system’s performance can lead to inaccurate results which can jeopardize the entire drug development process. OQ HPLC in biopharmaceutical analysis is important for a few reasons including:

Reliability and Reproducibility

OQ HPLC’s ability to provide an alternative perspective by examining multiple dimensions of complex biological samples elevates the level of confidence in the analytical results. By having consistent outcomes, researchers and analysts can ascertain the quality of biopharmaceutical and pharmaceutical products with greater certainty. This analytical tool not only improves the accuracy of quantitative measurements, but also instills a greater sense of assurance in the evaluation of critical attributes.


OQ serves as a vital step to validate and verify the HPLC system’s performance by assessing its ability to consistently generate accurate and reliable results. By evaluating factors such as system suitability, precision, and accuracy, OQ guarantees that the HPLC system sticks to predefined specifications and operates within validated parameters. By achieving compliance through OQ, laboratories can instill confidence in their analytical data and uphold the safety of their biopharma products to meet all regulatory compliance requirements.

Data Integrity

By conducting comprehensive OQ tests, including HPLC calibration, system suitability, and performance verification, analysts can confidently determine the accuracy and precision of the HPLC system. This magnifies the trustworthiness of the analytical data generated. The adherence to data integrity principles is important in the biopharmaceutical industry where precise and valid analytical results directly influence drug development and manufacturing.

Performing OQ HPLC in Biopharma Analysis

To execute OQ HPLC in biopharma analysis effectively, structured processes and protocols must be followed, here are a few key steps that need to be involved:

Test Parameters Definition

Performing OQ in HPLC for biopharma analysis entails a critical phase in the validation process, making sure the system meets predefined specifications and operates reliably within the needed parameters. The test parameters are defined to evaluate the instrument’s performance, including system suitability, flow rate accuracy, gradient precision, and detector sensitivity. The validation process also involves examining column efficiency, resolution, and reproducibility, while establishing acceptance criteria to meet industry standards and regulatory guidelines.


OQ HPLC calibration is a critical step to maintain the reliability and accuracy of analytical results. OQ calibration involves an assessment of the HPLC system’s performance, including verifying instrument specifications and functionalities within predefined operational ranges. GL Technologies will perform rigorous testing of parameters including flow rate, detector wavelength accuracy, and column temperature to confirm their compliance with established regulatory standards and method requirements. With OQ calibration, laboratories can confidently validate the HPLC system’s suitability for exact analysis of complex biomolecules.

System Suitability Testing (SST)

An important aspect of the OQ process is System Suitability Testing (SST), which evaluates the performance of the HPLC system prior to sample analysis. SST involves a series of tests to evaluate system parameters including resolution, peak symmetry, and peak area reproducibility. With SST, analysts can determine if the HPLC system is operating within predefined acceptance criteria, guaranteeing consistent data acquisition for quality control.

Injection Accuracy

Injection accuracy validation involves evaluating the precision of sample injections and verifying that the instrument accurately delivers the intended sample volume into the HPLC system. By examining injection accuracy during OQ, biopharma laboratories can meet regulatory compliance and maintain the quality of their products.

Detector Performance Verification

Detector performance verification is a step to make sure the accuracy, precision, and reliability of the HPLC system’s detector, which plays the role in quantifying and characterizing biopharma compounds. During OQ, the detector’s response is evaluated against known standards, verifying its sensitivity and resolution. Any deviations found can be quickly address to guarantee the integrity of analytical results.

Column Efficiency and Resolution

In OQ HPLC, column efficiency is measured by the number of theoretical plates, reflecting the HPLC systems ability to separate and resolve analytes effectively. A high number of plates signifies superior performance and increased peak resolution, minimizing co-elution of related compounds. Resolution quantifies the separation between neighboring peaks and influences the method’s sensitivity and accuracy.

OQ HPLC Resources

Improve HPLC Performance Through Operational Qualification

To speak with the experts about your OQ HPLC needs, please fill out our online form or give us a call!



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