Biomedical Engineering Reference
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Fig. 8 (A) Suggested assembly for the association and dissociation of several earth-metal ions to
and from the metal ion-imprinted bis-aniline-cross-linked Au NPs matrix. (B) Sensograms, at
y ¼
63.5
, showing the reflectance changes obtained upon to the analyses of: (
a
)Mg
2+
(concentrations
a
1
-
a
11
: 20 fM-250 pM), (
b
)Ca
2+
(concentrations
b
1
-
b
9
: 80 fM-500 pM), (
c
)
Sr
2+
(concentrations
c
1
-
c
6
: 50 pM-5 nM), and (
d
)Ba
2+
(concentrations:
d
1
-
d
6
: 50 pM-50 nM), on
the Mg
2+
-imprinted bis-aniline-cross-linked Au NPs matrix. (C) Calibration curves derived from
the sensograms in (B). The
inset
shows the lower concentration region of the Mg
2+
calibration
curve. All measurements were performed in triply-deionized water.
Error bars
correspond to a set
of
N
¼
5 measurements. Reproduced from ref. 56 by permission of the Royal Society of Chemis-
try (RSC)
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