Azacrown-calixpyrrole isosteres: receptors and sensors for anions

Sartori, Andrea; Radujević, Aco; George, Sandra; Anzenbacher, Pavel

doi:10.1039/d3sc01970e

Cited by 2 publications

(2 citation statements)

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“…[55][56][57][58] The internal cavities of macrocyclic structures enable the encapsulation of analytes depending on their size and molecular geometries. The favorable recognition abilities of macrocyclic receptors, including cucurbit[n]urils (CB[n]s), [59][60][61] cyclodextrins (CDs), [62][63] calix[n]pyrroles, [64][65] pillar[n]arenes [66] etc., which provide cross-reactive response patterns, have been applied in sensor array applications. Herein, two examples of IDA-driven pattern recognition using off-the-shelf indicators and macrocyclic receptors, including CB[n]s and CDs, are described.…”

Section: Analyte Capture By the Receptor Along With The Release Of Th...mentioning

confidence: 99%

Methodologies for Spontaneous Preparation of Chemosensors and Their Arrays Using Off‐the‐Shelf Reagents

Sasaki,

Minami

2023

ChemNanoMat

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Chemosensors are promising candidates to visualize molecular recognition information through colorimetric or fluorescence responses. In chemosensor designs, the following requirements should be considered; 1) molecular geometries with analytes, 2) mechanisms to cause optical changes upon analyte capture, and 3) solubility for sensing applications. On the other hand, the designs and realization of chemosensors covering the abovementioned requirements are still at the frontiers. In the conventional strategy, molecular geometries between receptors and analytes have been mainly considered. However, this approach confronts issues of synthetic efforts to obtain elaborate designs of chemosensors, which leads to a decrease in the water solubility of chemosensors derived from the complicated and aromatic molecular structures. Herein, this Review summarizes methodologies for self‐assembled chemosensors only using off‐the‐shelf reagents to easily obtain various chemosensors without organic synthesis. The concept of self‐assembled chemosensors comprising off‐the‐shelf reagents with water‐solubility realizes not only the easy tuning of optical sensing properties but also chemical sensing in real samples. Through the comprehensive sensing applications using the facile self‐assembled chemosensors and their arrays, the usability of off‐the‐shelf reagents in analytical chemistry will be clarified.

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Section: Analyte Capture By the Receptor Along With The Release Of Th...mentioning

confidence: 99%

Methodologies for Spontaneous Preparation of Chemosensors and Their Arrays Using Off‐the‐Shelf Reagents

Sasaki,

Minami

2023

ChemNanoMat

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show abstract

“…, urea, amide, amine) and demonstrated selective phosphate binding in bulk solution. 9–19 However, the removal of phosphates from aqueous solution using synthetic receptors remains a daunting challenge. This is because of the complex acid–base properties (p K a of H 3 PO 4 : 2.1, 7.2, 12.3) and extremely high hydration energies (Δ G hyd : −473 kJ mol −1 for H 2 PO 4 − , −1366 kJ mol −1 for HPO 4 2− , and −2753 kJ mol −1 for PO 4 3− ) as well as the inevitable self-association of phosphates.…”

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confidence: 99%