... with the highest concen­ Immobilized enzymes tration occurring after 4 h, and was then cleared from the Cancer chemotherapy circulation with a half-life of 4.4 h. Tn marked contrast, 6C3HED lymphosarcoma when microencapsulated L-asparaginase was injected, no Acute leukemia significant L-asparaginase activity...

... microencapsulated asparaginase retained 90% of its original acti­ Microencapsulation vity after 100 days ; at 37 °C, the microencapsulated enzyme is also Immobilized enzymes much more stable than the same enzyme in free solution. After Chemotherapy intraperitoneal injection into mice, the microencapsulated aspa­...