Our fully integrated protein manufacturing services covers all needs from initial process development to manufacturing at research, HQ and GMP grade.

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Polyplus, part of Sartorius, is a leading upstream solutions provider for advanced biologic and cell and gene therapy production from research to commercial scale.
An innovator in nucleic acid delivery, the legacy portfolio features process-centric transfection reagents, kits, and support services for viral and non-viral delivery. Custom plasmid vector design and plasmid and protein manufacturing was integrated into the offer in 2022 to expand the products and services portfolio to help the industry optimize process economics while meeting strict scientific and regulatory standards.
Success of Gene and Cell Therapies is dependent on efficient production of viral vectors that require optimized transfection reagents and viral vector engineering
RNA/DNA in vivo delivery is the most powerful alternative to viral vectors for nucleic acid-based therapies. They offer substantial advantages in terms of reliability,safety and costs for nucleic-acid based therapies
Broad range of solutions is needed for manufacturing of functional proteins or antibodies at the desired scale in bacteria, yeast and mammalian cell expression systems
Optimised plasmid engineering and specific transfection reagents are key to enable protein expression in a wide range of adherent and suspension mammalian cell types