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Related Concept Videos

Development of Analytical Methods01:21

Development of Analytical Methods

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An analytical methodology can be divided into four sequential steps: technique, method, procedure, and protocol. A technique is a scientific principle that rationalizes a specific phenomenon through chemical measurements. Adapting a technique for analyzing a sample of interest is termed a method. The procedure outlines the directions for performing the analysis via an analytical method. The protocol is the detailed guidelines on the procedure, which should be strictly followed to obtain the...
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Method validation is a crucial process in analytical chemistry designed to confirm that a given method consistently produces reliable and high-quality results. This process is essential when a method is applied to different sample matrices or when procedural modifications are made, ensuring that the results meet acceptable standards across various applications.
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Sample Preparation for Analysis: Overview01:21

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Sample preparation is an essential step in the analytical process. It involves preparing a sample so that it can be analyzed accurately. The goal is to extract the analyte, the substance you want to measure, from the sample while removing any components that may interfere with the analysis. Sample preparation techniques vary depending on the physical state of the sample.
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Therapeutic Drug Monitoring: Drug Analysis Methods01:26

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Therapeutic Drug Monitoring (TDM) is a clinical practice that measures specific drug levels in a patient's blood or body tissues to tailor drug therapy effectively. This monitoring is critical for managing drugs with narrow therapeutic indices like digoxin and phenytoin, ensuring they are both safe and effective. For instance, monitoring theophylline levels in asthma patients involves precision and sensitivity to adjust doses according to individual responses to therapy, ensuring efficacy and...
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Quantitative Analysis01:12

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Quantitative analysis is a technique for measuring the amount of specific constituents in a sample. When the sample's composition is unknown, qualitative analysis is performed first to identify its components, which ensures that the correct substances are measured during the quantitative phase.
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A blank solution is a solution that does not contain the analyte, or the substance of interest being tested or measured. It is typically prepared using the same reagents and procedure as the sample solution but without adding the analyte. The primary purpose of preparing a blank solution is to account for any background interference or contamination that may affect the accuracy and reliability of the analytical method.
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Related Experiment Video

Updated: Feb 27, 2026

Untargeted Metabolomics from Biological Sources Using Ultraperformance Liquid Chromatography-High Resolution Mass Spectrometry UPLC-HRMS
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Life cycle management of analytical methods.

Maria Kristina Parr1, Alexander H Schmidt2

  • 1Freie Universität Berlin, Königin-Luise-Str. 2+4, 14195 Berlin, Germany.

Journal of Pharmaceutical and Biomedical Analysis
|July 2, 2017
PubMed
Summary

The analytical procedure lifecycle concept is increasingly important for managing total process costs. Implementing this lifecycle approach enhances method robustness, reduces verification efforts, and minimizes risks, ultimately lowering overall costs.

Keywords:
Analytical method designAnalytical method performance qualification and verificationAnalytical target profileLife cyclePost-Approval changesQuality-by-design

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Area of Science:

  • Process Management
  • Analytical Chemistry
  • Pharmaceutical Science

Background:

  • The life cycle concept, focusing on total process costs from investment to retirement, is gaining importance in modern process management.
  • This concept is increasingly relevant for analytical procedures, encompassing design, development, validation, and retirement.
  • Regulatory bodies like the International Council for Harmonisation (ICH) and the US Pharmacopeia (USP) are increasing their focus on analytical method lifecycle management.

Purpose of the Study:

  • To highlight the growing importance of the analytical procedure lifecycle concept.
  • To discuss the components of an analytical method's life cycle.
  • To explore the benefits of lifecycle management in both regulated and non-regulated environments.

Main Methods:

  • Literature review of process management and analytical procedure lifecycle concepts.
  • Discussion of regulatory trends and proposed guidelines (e.g., USP General Chapter 〈1220〉).
  • Analysis of the impact of Quality-by-Design (QbD) on method development and lifecycle management.

Main Results:

  • The analytical method lifecycle includes design, development, validation (instrumental qualification, performance verification, method transfer), and retirement.
  • Regulatory bodies (ICH, USP) are actively considering guidelines for analytical method lifecycle management.
  • Quality-by-Design based development leads to more robust methods, reducing verification efforts and risks.

Conclusions:

  • Adopting an analytical procedure lifecycle approach is crucial for comprehensive process cost management.
  • Lifecycle management, particularly when informed by Quality-by-Design principles, enhances method robustness and reduces operational risks and costs.
  • The trend towards formalizing lifecycle management in guidelines signifies its critical role in pharmaceutical development and quality assurance.