- A
- Additives
- Adherent animal cells
- Aegis5-14 film
- Aeration system
- Air filter
- Air inlet filter
- Airlift bioreactors
- Allegro bioreactors
- Alternating Tangential Flow (ATF)-modules
- ambr15 und ambr250
- American Society for Testing and Materials (ASTM)
- American Society of Mechanical Engineers (ASME)
- Animal cell culture
- Antibodies
- Antioxidants
- AppliFlex bioreactors
- Aseptic connections
- Aseptic connectors
- Aseptic disconnections
- Aseptic disconnector Clipster
- Aseptic disconnectors
- Aseptic sampling systems for single-use bioreactors
- Aseptic Transfer Devices (ATDs)
- Aseptic welding