The Types segment classifies CD62L antibodies by their molecular format and production source, each contributing distinct value propositions to the market. Polyclonal antibodies, derived from immunized animals, dominate early‑stage exploratory studies because of their broad epitope coverage, while monoclonal antibodies, generated from single B‑cell clones, are preferred for reproducibility in high‑throughput screening and therapeutic development. Recombinant antibody fragments, such as Fab and scFv, address niche applications requiring reduced steric hindrance and enhanced tissue penetration. These categories collectively shape purchasing patterns across academic, biotech, and pharmaceutical customers, influencing pricing tiers and supply chain dynamics.