Research progress of redox-responsive supramolecular gel

Guan, Wen-Li; Adam, Khalid Mohammed; Qiu, Min; Zhang, Youming; Yao, Hong; Wei, Tai‐Bao; Lin, Qi

doi:10.1080/10610278.2020.1846738

Cited by 14 publications

(7 citation statements)

References 95 publications

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“…[56] In particular, stimuli-responsive supramolecular gels show potential applications as supramolecular sensors, due to the ability to change physical properties in the presence of a specific analyte. [57,58] Supramolecular recognition of OP CWAs by these systems is mainly due to the possibility to form or disrupt hydrogen bonds with the OP CWAs (or simulant), leading to the disassembly of the supramolecular gel structure.…”

Section: Sensing By Hydrogen Bondsmentioning

confidence: 99%

Supramolecular Sensing of Chemical Warfare Agents

et al. 2021

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Chemical warfare agents are a class of organic molecules used as chemical weapons due to their high toxicity and lethal effects. For this reason, the fast detection of these compounds in the environment is crucial. Traditional detection methods are based on instrumental techniques, such as mass spectrometry or HPLC, however the use of molecular sensors able to change a detectable property (e. g., luminescence, color, electrical resistance) can be cheaper and faster. Today, molecular sensing of chemical warfare agents is mainly based on the “covalent approach”, in which the sensor reacts with the analyte, or on the “supramolecular approach”, which involves the formation of non‐covalent interactions between the sensor and the analyte. This Review is focused on the recent developments of supramolecular sensors of organophosphorus chemical warfare agents (from 2013). In particular, supramolecular sensors are classified by function of the sensing mechanism: i) Lewis Acids, ii) hydrogen bonds, iii) macrocyclic hosts, iv) multi‐topic sensors, v) nanosensors. It is shown how the supramolecular non‐covalent approach leads to a reversible sensing and higher selectivity towards the selected analyte respect to other interfering molecules.

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Section: Sensing By Hydrogen Bondsmentioning

confidence: 99%

Supramolecular Sensing of Chemical Warfare Agents

et al. 2021

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“…In this regard, stimuli such as light, 33 heat, 34,35 pH, [35][36][37][38] redox 39 or any chemical fuel [40][41][42][43] may be taken into account in order to regulate the noncovalent interactions which can alter the molecular packing and their corresponding morphologies. 5,44 However, when we consider certain para-Scheme 1 A schematic describing the scope of this mini-review; a relative energy diagram revealing the interconversion between different photostationary states (PSS) of a molecular photoswitch, followed by its assembly via supramolecular interactions, resulting in mesoscopic structures of tuneable dimension in a relative length scale.…”

Section: Introductionmentioning

confidence: 99%

“…In this regard, stimuli such as light, 33 heat, 34,35 pH, 35–38 redox 39 or any chemical fuel 40–43 may be taken into account in order to regulate the noncovalent interactions which can alter the molecular packing and their corresponding morphologies. 5,44 However, when we consider certain parameters like instantaneous response, reversibility, and small to no hysteresis, then light turns out to be the most appropriate source of stimuli.…”

Section: Introductionmentioning

confidence: 99%

Light-regulated morphology control in supramolecular polymers

Mukherjee,

Ghosh

2024

Nanoscale

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“…The transitions involving a chemical, photochemical transformation, or complexation of the gelator are beyond the scope of this review. These transitions, induced by different stimuli [ 38 , 39 , 40 ], light [ 41 ], pH, redox reactions [ 42 ], anions [ 43 , 44 , 45 , 46 ], analytes [ 47 ], or enzymes [ 48 ] have been already thoroughly reviewed; moreover, many of them are gel–sol transitions. The present review will examine gel-to-gel transitions, gel-to-crystal transitions, liquid–liquid phase separations, eutectic transitions, and syneresis.…”

Section: Introductionmentioning

confidence: 99%

Beyond Sol-Gel: Molecular Gels with Different Transitions

Yilmazer

Schwaller

Mésini

2023

Gels

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The existence of sol–gel transitions is one of the most manifest properties of molecular gels. These transitions reflect their nature since they correspond to the association or dissociation of low weight molecules through non-covalent interactions to form the network constitutive of the gel. Most described molecular gels undergo only one gel-to-sol transition upon heating, and the reverse sol-to-gel transition upon cooling. It has been long observed that different conditions of formation could lead to gels with different morphologies, and that gels can undergo a transition from gel to crystals. However, more recent publications report molecular gels which exhibit additional transitions, for instance gel-to-gel transitions. This review surveys the molecular gels for which, in addition to sol–gel transitions, transitions of different nature have been reported: gel-to-gel transitions, gel-to-crystal transition, liquid–liquid phase separations, eutectic transformations, and synereses.

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Research progress of redox-responsive supramolecular gel

Cited by 14 publications

References 95 publications

Supramolecular Sensing of Chemical Warfare Agents

Supramolecular Sensing of Chemical Warfare Agents

Light-regulated morphology control in supramolecular polymers

Beyond Sol-Gel: Molecular Gels with Different Transitions

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