Baculovirus and host cell expression technologists around the world rely on Expression Systems for premium products, services and support.

Featured Product: ESF 921

Our well-characterized, superior-performing, protein-free insect cell culture medium is recognized as the industry standard for high throughput gene expression.

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About ESF 921

Your CMO Partnership

For contract manufacturing from research-grade to GMP production applications, we have the expertise and manufacturing capabilities to develop or produce your products successfully, consistently and within your timelines. We also provide a la carte services for any phase of your process.

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Our Partnership