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LKtime Biotech (Changchun)

R&D Center Drug Substance (DS) production Drug Product (DP) production Quality Analysis and Control Customized CDMO Service

R&D Center

The R&D center is equipped with multiple advanced process platforms, including AAV process platform, mRNA process platform, prokaryotic process platform, Pichia pastoris process platform, vaccine process platform, and pre-filled syringe/cartridge formulation platform, capable of undertaking small-scale and pilot-scale preparation.

Service Product Categories

  • Protein-based Products: Monoclonal antibodies (mAbs), bispecific antibodies (BsAbs), Fc fusion proteins, recombinant proteins.
  • Viral Vector Products: Adenovirus (Ad5/Ad26), vesicular stomatitis virus (VSV), lentivirus (LV), adeno-associated virus (AAV2/AAV6/AAV8).
  • Nucleic Acid-based Products: mRNA.
  • Upstream Process Development Platform

  • Expression Systems: Mammalian cells systems (CHO cells, 293 cells), microbial systems (E. coli, Pichia pastoris).
  • Multi-functional process development zones designed to prevent product cross-contamination.
  • Diverse cultivation process development: Fed-batch, perfusion, high-density inoculation, and more.
  • Upstream process characterization development.
  • Stainless-steel bioreactors: 5 L scale-up (E. coli, P. pastoris).
  • Single-use bioreactors: 5 L scale-up (CHO cells, 293 cells).
  • Downstream Process Development Platform

  • Capture and polishing chromatography process development
  • Ultrafiltration process development
  • Virus removal and inactivation process development
  • Process scale-up at 50–500L scale
  • Downstream process characterization development
  • Main Equipment
  • 100L Fermenter

  • 50L
    Single Use Bioreactor

  • 5L Fermenter

  • GEA Homogenizer

  • Chromatography Column

  • Small-scale
    Chromatography System