We measured the ROS-concentration in the bodies of ants after they ingested the food with the medicine using a spectrophotometer.
1	We	we	PRON	PRP	Case=Nom|Number=Plur|Person=1|PronType=Prs	2	nsubj	2:nsubj	Discourse=elaboration-additional:111->106:2|Entity=(18-person-giv:act-cf1*-1-ana)
2	measured	measure	VERB	VBD	Mood=Ind|Number=Plur|Person=1|Tense=Past|VerbForm=Fin	0	root	0:root	_
3	the	the	DET	DT	Definite=Def|PronType=Art	6	det	6:det	Entity=(154-abstract-new-cf9-12-sgl
4	ROS	ros	NOUN	NN	Abbr=Yes|Number=Sing	6	compound	6:compound	Entity=(138-substance-giv:inact-cf4-1-coref-Reactive_oxygen_species)|SpaceAfter=No|XML=<w>
5	-	-	PUNCT	HYPH	_	4	punct	4:punct	SpaceAfter=No
6	concentration	concentration	NOUN	NN	Number=Sing	2	obj	2:obj	XML=</w>
7	in	in	ADP	IN	_	9	case	9:case	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	9:det	Entity=(155-object-new-cf7-2-sgl
9	bodies	body	NOUN	NNS	Number=Plur	6	nmod	6:nmod:in	_
10	of	of	ADP	IN	_	11	case	11:case	_
11	ants	ant	NOUN	NNS	Number=Plur	9	nmod	9:nmod:of	Entity=(156-animal-new-cf8-1-sgl)155)
12	after	after	SCONJ	IN	_	14	mark	14:mark	Discourse=context-circumstance:112->111:0
13	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	14	nsubj	14:nsubj	Entity=(157-animal-new-cf5-1-sgl)
14	ingested	ingest	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	2	advcl	2:advcl:after	_
15	the	the	DET	DT	Definite=Def|PronType=Art	16	det	16:det	Entity=(116-substance-giv:inact-cf2-2-coref
16	food	food	NOUN	NN	Number=Sing	14	obj	14:obj	_
17	with	with	ADP	IN	_	19	case	19:case	_
18	the	the	DET	DT	Definite=Def|PronType=Art	19	det	19:det	Entity=(117-substance-giv:inact-cf3-2-coref
19	medicine	medicine	NOUN	NN	Number=Sing	16	nmod	16:nmod:with	Entity=117)116)154)
20	using	use	VERB	VBG	VerbForm=Ger	2	advcl	2:advcl	Discourse=mode-means:113->111:1
21	a	a	DET	DT	Definite=Ind|PronType=Art	22	det	22:det	Entity=(158-object-new-cf6-2-sgl
22	spectrophotometer	spectrophotometer	NOUN	NN	Number=Sing	20	obj	20:obj	Entity=158)|SpaceAfter=No|XML=<ref></ref>
23	.	.	PUNCT	.	_	2	punct	2:punct	_
