Waters

Articles by Waters

The October 2025 FDA draft guidance for biosimilars marks a major shift toward greater reliance on analytical data. Most notably, it signals a move to reduce or even eliminate comparative efficacy studies when robust analytics can provide equivalent insight, detecting subtle differences that clinical studies often miss. Biosimilar development will continue to require comprehensive analytical packages, with emphasis on orthogonal techniques. This session features Colette Quinn from Waters Corporation, who discusses how analytics support biosimilar development and help meet the FDA’s “totality-of-evidence” expectations.

The October 2025 FDA draft guidance for biosimilars marks a major shift toward greater reliance on analytical data. Most notably, it signals a move to reduce or even eliminate comparative efficacy studies when robust analytics can provide equivalent insight, detecting subtle differences that clinical studies often miss. Biosimilar development will continue to require comprehensive analytical packages, with emphasis on orthogonal techniques. This session features Colette Quinn from Waters Corporation, who discusses how analytics support biosimilar development and help meet the FDA’s “totality-of-evidence” expectations.

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Improve validated HPLC methods by switching from fully porous to CORTECS™ Premier C18 5 µm Columns to boost throughput, cut solvent use, and enhance method greenness.

Apply the 5 Rules of Scale Up to confidently scale LC purifications from analytical to prep, ensuring consistent, high-purity target recovery with robust results.

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In this application note the USP monograph method for naproxen sodium tablets was modernized and Analytical Method Greenness Scoring (AMGS) values were assigned to each system used. The use of newer technology including sub-2 µm columns provides not only improvements to throughput and solvent usage but also drastically improved AMGS values.

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The use of method development software with analytical quality by design (AQbD) approaches can produce robust methods but are limited by both access to the software and user proficiency. Other approaches require more manual intervention to select the correct conditions, interpret the results, and make decisions based on the data. This application note, we explore using a systematic screening protocol to develop a method for the analysis of a mixture of nine structurally similar spice cannabinoids.

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Triazine herbicides are commonly used in crop management to remove invasive plant species. These herbicides disrupt the photosynthesis cycle, leading to plant death and can contaminate soil and groundwater if used in high enough concentrations and for long enough duration. As such, the monitoring of these herbicides is important to minimize and monitor contamination. The app note outlines using a systematic screening protocol to develop a method for the analysis of a mixture of seven structurally similar triazine herbicides.

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Often, method development activities are performed “on the fly” with tight timelines to achieve the goal of developing robust methods quickly. Unfortunately, the approach to method development is an often-overlooked aspect of the process. In this app note, we talk about employing a systematic screening protocol, which utilizes a structured decision-making process, alleviates the pressure on the analyst to select the best set of conditions, and streamlines the method development process.

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In this work we discuss an automatable sample preparation protocol for peptide mapping used in QC, bioprocess, analytical development, and research environments to deliver comprehensive information about the primary structure of biotherapeutic proteins.

The waters_connect™ System Monitoring is the latest innovation in lab management, providing real-time information for all Empower-controlled chromatography systems via the waters_connect cloud platform. Coordinating laboratory work and responding dynamically to changing priorities has never been easier.

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Complete and clean trypsin digestion can be achieved with an enzyme that provides a balance of low levels of missed cleavage, non-specific cleavage, and trypsin autolysis. RapiZyme, a next generation trypsin, offers efficiency and reproducibility.

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Tyrosine Kinase Inhibitors (TKIs) are a class of small molecule drugs used to alter cell growth pathways for the treatment of cancer. Specifically, Sunitinib, a TKI on the market, is available to treat a variety of cancers including pancreatic cancer. Here we create a method to support the therapeutic drug monitoring of Sunitinib and its active metabolite.