Carbazole–thiosemicarbazone–Hg(ii) ensemble-based colorimetric and fluorescence turn-on toward iodide in aqueous media and its application in live cell imaging

Mahapatra, Ajit Kumar; Roy, Jagannath; Sahoo, Prithidipa; Mukhopadhyay, Subhra Kanti; Chattopadhyay, Amarnath

doi:10.1039/c2ob06792g

Cited by 64 publications

(18 citation statements)

References 51 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Derivatives of fluorophores such as quinoline 1-2, [46][47] anthracene 3-4, [48][49] benzimidazole 5, [50] rhodamine 6, [51] carbazole 7, [52] and thiosemicarbazone 8, [53] are efficient chemosensors "ON-OFF-ON" for sequential detection of Hg + 2 or Ag + and I À (Figure 2).…”

Section: Sensors Based On Metal Displacement Assaysmentioning

confidence: 99%

“…The driving force of these reactions can be attributed to a very strong metal-iodide interaction in aqueous solution (e.g, binding constant of I À and Hg 2 + is > 10 29 M À 1 ) [48] and the iodide selectivity over other anions can be assigned to low solubility product constants of HgI 2 (K SP = 2.9 × 10 À 29 ) [52] or AgI (K SP = 1.5 × 10 À 16 ). [47] Typically, during the excitation, electrons are easily transferred from the electron-rich organic fluorophore to electrondeficient Hg 2 + or Ag + ions resulting a quenching response by a photoinduced electron transfer (PET) mechanism.…”

Section: Sensors Based On Metal Displacement Assaysmentioning

confidence: 99%

See 1 more Smart Citation

Recent Advances in Luminescent Recognition and Chemosensing of Iodide in Water

Valdes‐García

Rosales‐Vázquez

Bazany‐Rodríguez

et al. 2020

Chemistry An Asian Journal

View full text Add to dashboard Cite

This Minireview covers the latest developments of chemosensors based on transition-metal receptors and organic fluorophores with specific binding sites for the luminescent detection and recognition of iodide in aqueous media and real samples. In all selected examples within the last decade (made-post 2010), the iodide sensing and recognition is probed by monitoring real-time changes of the fluorescence or phosphorescence properties of the chemosensors. This review highlights effective strategies to iodide sensing from a structural approach where the iodide recognition/sensing process, through supramolecular interactions as coordination bonds, hydrogen bonds, halogen bonds and electrostatic interactions, is transduced into an optical change easily measurable. The selective iodide sensing is an active field of research with global interest due to the importance of iodide in biological, medicinal, industrial, environmental and chemical processes.

show abstract

Section: Sensors Based On Metal Displacement Assaysmentioning

confidence: 99%

Section: Sensors Based On Metal Displacement Assaysmentioning

confidence: 99%

Recent Advances in Luminescent Recognition and Chemosensing of Iodide in Water

Valdes‐García

Rosales‐Vázquez

Bazany‐Rodríguez

et al. 2020

Chemistry An Asian Journal

View full text Add to dashboard Cite

show abstract

“…Among halide ions, the iodide ion is uniquely important and plays a main role in thyroid activities and hormone imbalance conditions. Making use of the displacement approach, the first fluorescent iodide ion sensor with 52 ‐Hg 2+ ( Scheme ) was successfully constructed by Mahapatra et al . and studied for biological applications.…”

Section: Introductionmentioning

confidence: 99%

A Critical Review on Colorimetric and Fluorescent Probes for the Sensing of Analytes via Relay Recognition from the year 2012–17

2018

View full text Add to dashboard Cite

Designing an effective sensor molecule for the selective detection of analyte with dual sensitivity is an innovative approach and is expected to offer huge biological and environmental benefits. Contrary to other sensing process, the reversible recognition of two different analytes while varying the binding sites and signaling subunits is entirely a new concept as the metal ion present in the ensemble can be easily displaced in the presence of ionic or neutral analytes. A reversible strategy can also be employed in the simultaneous recognition and identification of two different analytes with the aid of highly selective and sensitive chemosensors. This review gives an overview of the recent inventions (from 2012 to 2017) in the field of colorimetric and fluorescent receptors towards the detection of two analytes via a relay recognition process. A special emphasis is placed on different mechanisms associated with the sensing process assisted by fluorescence induced receptors which will help to design an effective sensor system for the selective detection of anions or amino acids or metal ions.

show abstract

“…Molecular recognition is a fascinating and growing research field for the identification of charged (Ghosh et al, 2006;Mahapatra et al, 2012;Tang & Cai, 2012;Guo et al, 2013) and neutral analytes (Buryak & Severin, 2005;Zhou & Yoon, 2012) because they are cost effective, easy to create, selective for particular analytes, and show high sensitivity even at trace levels. Designing a single molecule for multiple analytes in the direct as well as in the in situ form is a highly interesting and new concept in the molecular recognition field.…”

Section: Introductionmentioning

confidence: 99%

Colorimetric detection of in situ metal acetates and fluorides by a bipyridyl‐linked Schiff base

Suganya

Park

et al. 2014

J of Molecular Recognition

View full text Add to dashboard Cite

Here, we present a new bipyridyl moiety linked Schiff base (bipy-1) that is well characterized using spectroscopic techniques. Colorimetric and UV-vis titrations were used to study the photophysical properties of bipy-1 in the presence of various tetrabutyl ammonium salt of anions and metal salts containing different counter cations. bipy-1 showed selective recognition of dimethyl sulphoxide solution of tetrabutyl ammonium salt of F(-) ion accompanied with a UV-vis band at 529 nm and interesting binding of aqueous Co, Ni, and Cu acetates/fluorides, as confirmed by distinct color changes from fluorescent green to pink or orange and a strong band around 480-510 nm in the UV-vis spectrum. However, in the presence of Co, Ni, and Cu countercations, any form of metal acetate/fluorides was found to be able to respond to similar color changes from fluorescent green to pink or orange, showing a band around 480-510 nm. This type of output clearly indicates that the in situ formation of Co, Ni, and Cu acetates/fluorides also coordinates with bipyridyl nitrogen atoms.

show abstract

Carbazole–thiosemicarbazone–Hg(ii) ensemble-based colorimetric and fluorescence turn-on toward iodide in aqueous media and its application in live cell imaging

Cited by 64 publications

References 51 publications

Recent Advances in Luminescent Recognition and Chemosensing of Iodide in Water

Recent Advances in Luminescent Recognition and Chemosensing of Iodide in Water

A Critical Review on Colorimetric and Fluorescent Probes for the Sensing of Analytes via Relay Recognition from the year 2012–17

Colorimetric detection of in situ metal acetates and fluorides by a bipyridyl‐linked Schiff base

Contact Info

Product

Resources

About