by Dr. Yashashwini Reddy | Aug 9, 2025
Different Types of HPLC Detectors 1. UV/Vis Absorbance Detector Principle: Measures absorbance of analytes at a specific wavelength (Beer-Lambert Law). Types: Fixed Wavelength UV (e.g., 254 nm) Variable Wavelength UV Diode Array Detector (DAD/PDA) – allows spectral...
by Dr. Yashashwini Reddy | Aug 8, 2025
Resolving API Impurity Issues in Drug Development 1. Understanding the Issue In drug development, impurities in the Active Pharmaceutical Ingredient (API) can arise from: Starting materials or intermediates (process-related impurities) By-products from synthesis steps...