Antibodies 101: The Four ELISAs and When to Use Them
Type
Blog Post
Published
July 25, 2024, 1:15 p.m.
...level of antigen in the sample. This figure was created with BioRender.com
Direct ELISAs
A direct ... bind non-specifically to assay components and increase background staining. Direct ELISAs also lack the... antibody. Incorporating a secondary antibody increases the sensitivity of the assay, since multiple secondary... both primary and secondary incubation steps, increasing the workload and time commitment for users. This...antibodies for the capture and detection steps, which increases the specificity of the assay. The assay is also...antibody availability
Longer protocolLess specificityIncreased chance of cross-reactivity
Sandwich
...
High specificityHigh sensitivity
Longer protocolIncreased chance of cross-reactivityChallenging to develop...