CTL has long been recognized as the leader in peer-reviewed scientific publications on ELISPOT assays, instrumentation, and software, as well as their clinical applications. In recent years, CTL has expanded its portfolio to include instrumentation for bacterial, yeast, stem cell, and tumor colony counting, as well as for analyzing various plaque and clonogenic assays. Also offered are reagent solutions such as cryopreserved PBMC, CEF peptide pools, and serum-free media.

CTL products include:

• ELISPOT analyzers

• Plaque and colony counters

• Cryopreserved PBMC samples

• Serum-free cell culture media

• CEF peptide pools

• Image analysis software

CTL Laboratories, LLC. specializes in a variety of high-throughput immune monitoring techniques, including ELISPOT assays, ELISA assays, and flow cytometry. CTL can conduct all assays in a GLP-compliant manner—whether to validate the assays, to accommodate FDA requirements, or simply to test the samples for scientific value. CTL has had tremendous success with a wide range of species and tissue types, thanks to its extensive in-house expertise and adherence to proven protocols.

CTL's laboratory services include:

• Contracted immune monitoring services

• ELISPOT Plate scanning and analysis

• ELISPOT assay consultation

• Quality and regulatory consultation