Novel graphene oxide-based affinity capillary monoliths were developed.
Graphene oxide could improve chiral selectivity of affinity capillary monoliths.
Graphene oxide could enhance enzymatic activity of monolithic microreactors..
Ethanediamine-based affinity capillary monoliths showed improved chiral selectivity.
Polyethyleneimine-based monolithic microreactors revealed enhanced enzymatic activity.