CHO cell line selection represents a painful bottleneck in biotherapeutic development, particularly for complex molecules like bispecifics. At BPI Europe Digital Week 2021, Renee Tobias discussed how the Opto™ CLD workflow on the Beacon® system can help through accelerating early CLD by integrating high throughput cell sorting, cloning, culture, productivity, growth, and product quality assays into a single, 5-day automated process.