Related Experiment Video
Updated: Feb 22, 2026

O-cresol Concentration Online Measurement Based On Near Infrared Spectroscopy Via Partial Least Square Regression
Published on: November 8, 2019
[Research progress on method validation of near infrared spectroscopy in quantitative analysis]
Yu Luo1, Wen-Long Li1, Hai-Bin Qu1
1Pharmaceutical Informatics Institute, Zhejiang University, Hangzhou 310058, China.
Near-infrared (NIR) spectroscopy offers fast, noninvasive pharmaceutical analysis. This review examines NIR method validation progress, highlighting the need for standardized experimental approaches and decision rules for reliable quantification models.
Area of Science:
- Analytical Chemistry
- Pharmaceutical Science
Background:
- Near-infrared (NIR) spectroscopy is favored in pharmaceuticals for its speed, noninvasive nature, and minimal sample preparation.
- NIR spectroscopy provides valuable chemical and physical information, making it suitable for various pharmaceutical applications.
- Method validation is crucial for established analytical techniques before routine use.
Purpose of the Study:
- To review the progress in validating Near-infrared (NIR) spectroscopy methods for pharmaceutical applications.
- To concentrate on standard documents and key concepts in NIR method validation.
- To offer references for the standardized application of NIR spectroscopy in the pharmaceutical industry.
Main Methods:
- Literature review of validation approaches for NIR quantification models.
- Analysis of standard documents and guidelines related to analytical method validation.
- Focus on experimental standards and decision rules for NIR method validation.
Main Results:
- Current literature shows varied approaches to validating NIR quantification models.
- There is a lack of detailed experimental standards and decision rules for NIR method validation.
- Progress has been made in understanding the validation requirements for pharmaceutical NIR applications.
Conclusions:
- Standardized validation is essential for the reliable application of NIR spectroscopy in the pharmaceutical industry.
- Further development of experimental standards and decision rules is needed for NIR method validation.
- This review provides a foundation for harmonizing NIR method validation practices in pharmaceuticals.
More Related Videos
Related Concept Videos
Infrared (IR) Spectroscopy: Overview
Different compounds display unique properties due to their...
Applications of IR Spectroscopy: Overview
Data Validation
Key parameters for method validation include:
Qualitative Analysis
There are two main approaches to qualitative analysis:...
Quantitative Analysis
In quantitative analysis, two key measurements are made: the sample quantity and a property proportional to the amount of the analyte (the substance being analyzed). This forms the basis of the...
Ultraviolet and Visible (UV–Vis) Spectroscopy: Overview

