photocrosslinking

https://doi.org/10.1351/goldbook.P04592
The formation of a covalent linkage between two macromolecules or between two different parts of one macromolecule.
Source:
PAC, 1996, 68, 2223. (Glossary of terms used in photochemistry (IUPAC Recommendations 1996)) on page 2260 [Terms] [Paper]