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An Overview of Nitrosated Drug Substance Related Impurities (NDSRIs)

Nitrosamines in Drug Substance (DS) In 2018 health authorities became aware of the nitrosamine N-nitrosodimethylamine (NDMA) in valsartan drug substance. The investigations expanded, NDMA and other potent nitrosamines were found…

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The Critical Role of Bioanalytical Platform Selection: Ligand-Binding Assays vs Mass Spectrometry

The selection of a bioanalytical platform is critical because it directly influences the accuracy, sensitivity, and specificity of the data generated, which in turn guides decision-making in drug development. A…

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Countdown to Compliance: The August 2025 Deadline for NDSRI Testing Looms Over Pharmaceutical Industry

As the pharmaceutical industry approaches the crucial deadline of August 2025, manufacturers of both currently marketed and newly approved drug products are under increasing pressure to evaluate and control the…

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Antimicrobial Textiles Testing

Humans have been weaving textiles and fashioning clothing from fabrics for thousands of years, but one of the great challenges since the dawn of civilization has been the degradation and…

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Ensuring Quality and Efficacy of GLP-1 Agonists: Analytical Challenges and Solutions in Therapeutic Peptide Production

Glucagon-like peptide-1 (GLP-1) agonists represent an exciting class of drugs that have gained significant attention in recent years for their potential to treat type 2 diabetes mellitus (T2DM) and obesity….

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Antibody Drug Conjugates Q&A: A Novel Approach to Drug Delivery in Oncology

What is an antibody drug conjugate? An antibody drug conjugate, or ADC, is a drug modality that consists of three main components: an antibody, a linker, and a drug, often…

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Native Mass Spectrometry (Native-MS) for Aggregate and Charge Variant Analysis

Size exclusion chromatography (SEC) and ion exchange chromatography (IEX) are traditional methods utilized for characterizing biotherapeutics under non-denaturing conditions. The typical high salt concentrations in their mobile phases make them…

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A Guide to Quantitative NMR (qNMR)

Quantitative NMR (qNMR) stands as a robust method for gauging pharmaceutical purity. In the realm of analytical chemistry, nuclear magnetic resonance (NMR) spectroscopy emerges as a potent technique, offering insights…

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The Past, Present and Future of ADCs

ADCs, short for antibody-drug conjugates, consist of three essential components: a monoclonal antibody (mAb), a linker molecule, and a small molecule drug. In simple terms, an ADC is created by…

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Microbial Warriors: A New Hope in the Fight Against Cancer

Cancer is a complex disease that requires a multifaceted approach to treatment in order to prevent regression. In the past, traditional treatments in oncology have consisted of small molecule cytotoxic…

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