Novel chemosensor for multiple target anions: The detection of F− and CN− ion via different approach

Switchable Optical Probes for Simultaneous Targeting of Multiple Anions

“…[98] The similar strategy was adopted by several other groups (29)(30)(31)(32)(33)(34)(35)(36)(37) for designing colorimetric probes for simultaneous detection of both cyanide and fluoride/Acetate ion. [99][100][101][102][103][104][105][106][107] Almost in all the cases, F À or AcO À induced color change was observed through extensive hydrogen bonding interaction followed by deprotonation, which further affects the extent of excited state proton transfer (ESIPT) in α-hydroxyl imine derivatives. On the other hand, cyanide exerted a nucleophilic addition reaction at the electron deficient carbon centers of carbonyl/imine functional groups and modifies both the conjugation length of compound as well as its rigidity.…”

A Novel ‘On‐Off’ Rhodamine Based Sensor for Colorimetric Detection of CN−and Its Application as Encoder‐Decoder and Molecular Keypad Lock

“…The interference caused by F À or any other anion like OAc À , HSO 4 À etc can be removed by increasing the water content in the solvent which is used during sensing. [39] Molecular logic gates have gained considerable attention in the field of information and technology, as they are capable of providing information at molecular levels. Henceforth, UV-Vis and fluorimetric "on-off" switching behavior of a sensor in presence of specific ion can be used as a key to carry out the estimation in molecular logic device.…”

The use of S2O82− and H2O2 as novel specific masking agents for highly selective “turn-on” fluorescent switching recognition of CN− and I− based on Hg2+–graphene quantum dots

“…The selective sensing of anions, such as uoride (F À ), chloride (Cl À ), bromide (Br À ), iodide (I À ), acetate (AcO À ) and cyanide (CN À ) ions, is highly important because they are widely distributed and play important roles in biological, environmental and chemical industries. [24][25][26] In particular, iodide is an important microelement to humans, as it plays a key role in several biological activities, such as brain function, muscle tissue growth, neurological activity and thyroid function. 27 In addition, iodide helps to maintain the release of the thyroid hormone into the bloodstream.…”