Supramolecular gels in cyanide sensing: a review

Abstract

Supramolecular low molecular weight gels have potential in many areas from medicine to optoelectronics. Of the different applications, visual sensing of chemical analytes using gels is a fairly new concept...

Advances in fluorescent and colorimetric sensors for anionic species

“…Although the formation of hydrogen bonds is still one of the main strategies used for the development of anion optical sensors, the detectable changes of many systems are triggered by the deprotonation of sensors by basic anions such as fluoride or cyanide [2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19]. Ureas, thioureas, amides and sulfonamides are still the most commonly used binding motifs based on hydrogen bonds.…”

Hybrid hydrogels derived from renewable resources as a smart stimuli responsive soft material for drug delivery applications

“…Self-assembly is a natural process accomplishing a key role in the origin, maintenance, and growth of life. [1][2][3][4][5] Inspired by natural phenomena, the interest in the assembly of biomacromolecules and low molecular weight gelators (LMWGs) to fabricate biomimetics, and functional materials for practical applications has increased signicantly. [1][2][3][4][5] Gels are a kind of smart material possessing a 3D supramolecular network displaying visco-elastic behaviour via the self-organization of amphiphiles in a suitable solvent involving reversible noncovalent interactions such as van der Waals forces, hydrogen bonding, metal-ligand coordination, anionic-p, cationic-p, and CH-p interactions, and p-p stacking.…”

“…[1][2][3][4][5] Inspired by natural phenomena, the interest in the assembly of biomacromolecules and low molecular weight gelators (LMWGs) to fabricate biomimetics, and functional materials for practical applications has increased signicantly. [1][2][3][4][5] Gels are a kind of smart material possessing a 3D supramolecular network displaying visco-elastic behaviour via the self-organization of amphiphiles in a suitable solvent involving reversible noncovalent interactions such as van der Waals forces, hydrogen bonding, metal-ligand coordination, anionic-p, cationic-p, and CH-p interactions, and p-p stacking. 3 In assembled materials, a nite tuning in molecular level interaction is observed upon the exposure to external stimuli, which enable them to behave as a prospective so material suitable for a wide range of applications such as wound healing, bone-repair, drug delivery, sensors, imaging, to name a few.…”

“…3 In assembled materials, a nite tuning in molecular level interaction is observed upon the exposure to external stimuli, which enable them to behave as a prospective so material suitable for a wide range of applications such as wound healing, bone-repair, drug delivery, sensors, imaging, to name a few. [1][2][3][4][5] Owing to the potential applications of these so materials, we are interested in the design and synthesis of the amphiphiles with an amide bond from the natural molecules, that could display molecular selfassembly. It is worth mentioning that, an effective balance of hydrophilicity and lipophilicity (HLB) is essential for construction of 3-D supramolecular architecture.…”

Rapid colorimetric discrimination of cyanide ions – mechanistic insights and applications

“…In recent years, the detection of toxic anions 21,22 has turned into an essential objective in the realm of chemosensors technology. Among the various toxic anions, the detection of cyanide (CN À ) ions requires considerable attention as it is acutely harmful to human health.…”