| 530 / | HD | CHEMISTRY: NATURAL RESINS OR DERIVATIVES; PEPTIDES OR PROTEINS; LIGNINS OR REACTION PRODUCTS THEREOF |
| 810 | DF | CARRIER - BOUND OR IMMOBILIZED PEPTIDES OR PROTEINS AND THE PREPARATION THEREOF, E.G., BIOLOGICAL CELL OR CELL FRAGMENT AS CARRIER, ETC. {2} |
| 812 | DF | .~ Peptides or proteins is immobilized on, or in, an organic carrier {2} |
| 815 | ![]() | .~.~ Carrier is a synthetic polymer {2} |
| 816 | DF | .~.~.~> Attached to the carrier via a bridging agent |
| 817 | DF | .~.~.~> Entrapped within the carrier, e.g., gel, hollow fibre, etc. |