comigrate
/ˌkəʊˌmʌɪˈɡreɪt/ /ˌkəʊˈmʌɪɡreɪt/verb
1 [no object] Of a substance: to migrate together with another substance during electrophoresis or chromatography.
2 [no object] Of two or more substances: to migrate together during electrophoresis or chromatography.
Origin
1960s; earliest use found in Journal of Biological Chemistry. From co- + migrate.