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Just as careful antibody selection is critical for Lateral Flow Assay (LFA) performance, the choice of detector label and its conjugation strategy directly influences assay sensitivity, specificity, reproducibility and scalability. Detector labels convert binding events into measurable signals and the way these labels are prepared and evaluated has a profound impact on how reliably an assay performs. Gold nanoparticles have become the most widely used detector because of thei

Antibody selection is one of the most influential decisions made during early Lateral Flow Assay (LFA) development. Whether antibodies are sourced commercially or developed as part of a broader LFA development service, the choices made at this stage directly affect assay sensitivity, specificity, reproducibility and long-term manufacturability. Applying a structured, risk based approach to antibody evaluation can significantly reduce technical and commercial challenges later