Cellular Technology Limited (CTL) has been pioneering the ELISPOT technology for immune monitoring. For nearly 20 years, CTL’s mission has been “Elevating ELISPOT to an Exact Science”. Serving over 2,000 clients from academia and industry worldwide, CTL offers unparalleled expertise in immune monitoring. We offer: Contract Laboratory: Immune monitoring with an emphasis on T and B cells in a CLIA-certified, GLP-compliant laboratory with processing capabilities of up to 450 samples per week. Assays include: ELISPOT, ELISA, FACS, CBA, Proliferation, and more. Comprehensive solutions for sample processing: Whole blood processing with optimized PBMC cryopreservation methods that ensure good cell functionality. All-around ELISPOT including: – Protocols and reagents for human PBMC cryopreservation, processing, and testing – Human PBMC reference samples as reference standards for assay performance. – Extensive Cryopreserved PBMC Library: The largest commercially available library of donors available both uncharacterized and with established T cell reactivity. – ImmunoSpot® Kits: Standardized T Cell and B Cell ELISPOT Kits. Single- and Double-color Enzymatic ELISPOT. Up to Four-color T Cell & B Cell FluoroSpot Kits. Cytokine/Antibody combination multicolor FluoroSpot Kits. – Non-radioactive human Natural Killer/ADCC Assessment Kits – Positive and negative control antigens. – Consultation and Hands-on Workshop Training on the use of ELISPOT for immune monitoring. – ImmunoSpot® Analyzers for automated and objective ELISPOT data analysis and streamlined data processing with audit trails. – BioSpot® Analyzers for serum antibody neutralization tests; Viral Plaque, PRNT, Viral ICA, Serum Neutralization Assays, and Serum Bactericidal Assays, all with multicolor capability. – Serum-free Media for washing, testing, and freezing PBMC – Plate Scanning and Analysis Services