( ( In ( the ( Biologic-DT System ) ) ) ( , ( ( the membrane ) ( ( ( keeps ( the ( sorbent separate ) ) ) ( from ( the blood ) ) ) . ) ) ) )
(ROOT (S (PP (IN In) (NP (DT the) (NNP Biologic-DT) (NNP System))) (, ,) (NP (DT the) (NN membrane)) (VP (VBZ keeps) (NP (DT the) (JJ sorbent) (JJ separate)) (PP (IN from) (NP (DT the) (NN blood)))) (. .)))
In the Biologic-DT System, the membrane keeps the sorbent separate from the blood.
(ROOT (S (NP (JJ Biological) (NNS membranes)) (VP (VP (VBP surround) (NP (NNS cells))) (CC and) (VP (VBP serve) (S (VP (TO to) (VP (VB keep) (NP (NP (DT the) (NNS insides)) (VP (VBN separated) (PP (IN from) (NP (DT the) (NNS outsides)))))))))) (. .)))