( ( ( Cellular ( ( neurophysiology and ) biophysics ) ) ( of ( membrane ( ion channels ) ) ) ) ; )
(ROOT (NP (NP (NNP Cellular) (NN neurophysiology) (CC and) (NNS biophysics)) (PP (IN of) (NP (JJ membrane) (NN ion) (NNS channels))) (: ;)))
Cellular neurophysiology and biophysics of membrane ion channels;
(ROOT (NP (NP (NP (NNP Ion) (NNP channels) (NNP facilitate)) (PRN (-LRB- -LRB-) (PRP s) (-RRB- -RRB-))) (NP (NP (DT the) (NN diffusion)) (PP (IN of) (NP (NP (NNS ions)) (PP (IN across) (NP (DT a) (NN membrane)))))) (. .)))