There are multiple definitions:
nonspecific binding(English)
- can be minimized by saturating the unoccupied binding sites with a blocking reagent without taking active part in specific assay reaction
- UCP
- Biochemistry
- https://rusling…09/bhaskara.pdf
National Science Board(English)
- the policymaking and advisory body for the National Science Foundation
- FASEB, NSF
- Organizations (scientific), Organizations (governmental)
- https://www.nsf.gov/nsb/