The International Symposium on Preparative and Process Chromatography (PREP 2025) will take place at the Pennsylvania Convention Center in Philadelphia, PA, from September 29 to October 2, 2025.

The 2025 symposium marks a milestone as we celebrate 40 years of PREP. Since 1985, PREP has been one of the most recognized international conferences in the world for the presentation and discussion of the latest developments driving the field of Preparative & Process Chromatography. Continuing to build on our 40-year history, the symposium will provide enormous benefits to the preparative and process chromatography community including training workshops, tutorials, scientific talks, poster presentations, a vibrant exhibit, and vendor workshops that will help our knowledge grow, our science progress, and our technology advance.

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