( ( ( To further ) ( ( assess ( ( the magnitude ) ( of ( tear ( protein adhesion ) ) ) ) ) ( to ( ( the walls ) ( of ( the ( vials ( and ( contact lenses ) ) ) ) ) ) ) ) ) ( , ( we ( ( examined ( ( ( a solution ) ( of ( purified lysozyme ) ) ) ( ( ( ( stored ( in ( the vials ) ) ) ( for ( ( a period ) ( of ( five days ) ) ) ) ) and ) ( ( monitored ( ( the adhesion ) ( of lysozyme ) ) ) ( to ( contact ( lenses ( stored ( in ( the ( same vials ) ) ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (S (VP (TO To) (ADVP (RBR further)) (VP (VB assess) (NP (NP (DT the) (NN magnitude)) (PP (IN of) (NP (JJ tear) (NN protein) (NN adhesion)))) (PP (TO to) (NP (NP (DT the) (NNS walls)) (PP (IN of) (NP (DT the) (NNS vials) (CC and) (NN contact) (NNS lenses)))))))) (, ,) (NP (PRP we)) (VP (VBD examined) (SBAR (S (NP (NP (DT a) (NN solution)) (PP (IN of) (NP (JJ purified) (NN lysozyme)))) (VP (VP (VBD stored) (PP (IN in) (NP (DT the) (NNS vials))) (PP (IN for) (NP (NP (DT a) (NN period)) (PP (IN of) (NP (CD five) (NNS days)))))) (CC and) (VP (VBD monitored) (NP (NP (DT the) (NN adhesion)) (PP (IN of) (NP (NN lysozyme)))) (S (VP (TO to) (VP (VB contact) (NP (NP (NNS lenses)) (VP (VBN stored) (PP (IN in) (NP (DT the) (JJ same) (NNS vials))))))))))))) (. .)))
To further assess the magnitude of tear protein adhesion to the walls of the vials and contact lenses, we examined a solution of purified lysozyme stored in the vials for a period of five days and monitored the adhesion of lysozyme to contact lenses stored in the same vials.
(ROOT (S (NP (NNP Human) (NNP lysozyme)) (VP (VBZ is) (NP (NP (DT an) (JJ antibacterial) (NN protein)) (VP (VBN found) (PP (IN in) (NP (NNS tears) (CC and) (NN saliva)))))) (. .)))