PMC:7594251 / 61658-62283 JSON TXT

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Id	Subject	Object	Predicate	Lexical cue
T450	4-10	http://purl.obolibrary.org/obo/SO_0000418	denotes	signal
T451	122-124	http://purl.obolibrary.org/obo/CLO_0003414	denotes	g2
T452	204-210	http://purl.obolibrary.org/obo/SO_0000418	denotes	signal
T453	483-489	http://purl.obolibrary.org/obo/SO_0000418	denotes	signal

Id	Subject	Object	Predicate	Lexical cue	chebi_id
T33217	38-47	Chemical	denotes	molecules	http://purl.obolibrary.org/obo/CHEBI_25367
T4015	331-338	Chemical	denotes	nucleus	http://purl.obolibrary.org/obo/CHEBI_33252

Id	Subject	Object	Predicate	Lexical cue
T427	0-436	Sentence	denotes	The signal intensity of the diffusing molecules depends on three factors, as described by Equation (3) [294]:(5) I=I0e−Dγ2g2δ2 where I is the observed intensity, I0 the reference intensity (unattenuated signal intensity), D is, of course, the diffusion coefficient referred to earlier, γ is the gyromagnetic ratio of the observed nucleus, g is the strength of the gradient, δ the length of the gradient, and ∆ the diffusion time [294].
T428	437-625	Sentence	denotes	From Equation (3), it is easy to see that the signal intensity decreases exponentially with time, so it is vital to optimize the values of g, δ, and ∆ for diffusion NMR measurements [294].