We are specialized in immune monitoring of CMI with emphasis on T and B cell (e.g. antigen specific plasma B cell and antibody producing memory B) evaluations within pre-clinical and clinical studies. Thanks to our in-house expertise and rigorous procedures, we can conduct all assays including ELISPOT, ELISA, NAb, NK- killer assay, CBA, FACS, proliferation, and more…in our regulated laboratory?whether to establish, to perform qualification-validation, test samples to satisfy FDA requirements or simply evaluate specimens for scientific significance.CTL has been providing contract laboratory services for government laboratories, major pharmaceutical companies, biotechnology companies, and academic institutions for over 15 years. Our company has been recognized by the Cancer Vaccine Consortium as its ELISPOT reference laboratory and has been awarded a contract by the U.S. National Institutes of Health (NIH) to validate the ELISPOT assay for pre-clinical and clinical trials. CTL is a member of the Society of Quality Assurance (SQA) and the Regulatory Affairs Professionals Society (RAPS). Our lab has been certified for Cell Viability by the International Society for Biological and Environmental Repositories (ISBER).