BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20250915T000000Z DTEND:20250915T000000Z SUMMARY:37th International Symposium on Preparative and Process Chromatography (PREP 2025): Standard registration deadline due before 15th September 2025 LOCATION:Pennsylvania Convention Centre,Philadelphia,United States END:VEVENT END:VCALENDAR