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Author: Ruud Cuyvers





October 27, 2025

When Formulation Tweaks Reveal Hidden Chemistry: A Case of Unexpected Impurities

Blog Post 7 – When Formulation Tweaks Reveal Hidden Chemistry: A Case of Unexpected Impurities 2 min reading time Recently, a customer reformulated a drug product containing a well-characterized Active Pharmaceutical Ingredient (API). Routine High-Performance Liquid Chromatography/Ultraviolet (HPLC/UV) analysis flagged...

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October 6, 2025

When one dimension isn’t enough: unraveling impurities from secondary packaging

Blog Post 4 – When one dimension isn’t enough: unraveling impurities from secondary packaging 2 min reading time In our ongoing series on impurities in drug products, we encountered a compelling case that highlights the hidden risks of packaging changes—even...

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January 28, 2025

Nelson Labs Leuven Unveils Cutting-Edge Analytical Upgrade for Non-Volatile Extractables & Leachables Screening

At Nelson Labs, we are pushing the boundaries of scientific innovation. Our commitment to excellence has led us to adopt state-of-the-art analytical equipment to meticulously study extractables & leachables from polymers, plastics, rubbers, and alloys. These impurities, introduced by medical...

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