2013
DOI: 10.1039/c3nj00223c
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Synthesis of an upper- and lower-rim functionalized calix[4]arene for detecting calcium ions using a microcantilever sensor

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Cited by 17 publications
(21 citation statements)
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“…As shown in Figure 7a, the surface stress profiles resulting from the injection of the lower concentration of CaCl 2 (blue data) resulted in smaller surface stress curves than those obtained when the cantilevers were exposed to a 10 -6 M solution of CaCl 2 (red data). The data shown in Figure 7a is consistent with the data obtained from our previous microcantilever system (see Figure 5 in [24]) which showed that the microcantilever deflection increased with increasing target concentration.…”
Section: 1) Resultssupporting
confidence: 93%
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“…As shown in Figure 7a, the surface stress profiles resulting from the injection of the lower concentration of CaCl 2 (blue data) resulted in smaller surface stress curves than those obtained when the cantilevers were exposed to a 10 -6 M solution of CaCl 2 (red data). The data shown in Figure 7a is consistent with the data obtained from our previous microcantilever system (see Figure 5 in [24]) which showed that the microcantilever deflection increased with increasing target concentration.…”
Section: 1) Resultssupporting
confidence: 93%
“…16 microcantilevers) were functionalized as follows (see Figure 6 respectively. The reason of selecting these ions was because they had the same chloride counterion and also their binding abilities with calix [4]arene sensing layers were confirmed in our earlier studies with our previous microcantilever system [24][25][26]. Figure 8a shows the surface stress curves of the 16 microcantilevers as a function of time in response to the introduction of Ca 2+ ions.…”
Section: 1) Resultssupporting
confidence: 57%
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“…Similarly, the unique molecular architecture of calixarenes (macrocycles made up of n phenolic units linked by methylene bridges) makes them a suitable platform for construction of host neutral molecules that can selectively bind a variety of guest substrates through introduction of suitable fragments on the upper or lower rim. [19][20][21] The fascinating conformational and chemical reactivity of the calixarene systems has led to their use in a variety of applications including the development of efficient separation synergistic systems. 18,22 However, depending on molecular solvents and nature of the acidic and neutral components of the synergistic system, either joint increase 9 or opposite trends for extraction and selectivity 18 can be obtained.…”
Section: Introductionmentioning
confidence: 99%