A substituted spiropyran for highly sensitive and selective colorimetric detection of cyanide ions
1
Department of Chemistry, St. Stephen’s College, University Enclave, New Delhi, 110007, India
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Publication type: Journal Article
Publication date: 2016-12-01
wos Q1
SJR: —
CiteScore: —
Impact factor: 7.7
ISSN: 09254005
Materials Chemistry
Metals and Alloys
Surfaces, Coatings and Films
Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering
Instrumentation
Abstract
A nitrophenyl azo substituted spiropyran was synthesized and characterized spectroscopically. The substituted spiropyran derivative was evaluated for affinity towards different anions in MeCN:water (10 mM HEPES buffer) at different pH. The spiropyran derivative selectively detected cyanide ions by displaying blue or purple color visible to the naked eye and through spectral changes. The 1 H NMR spectra was used to confirm the binding of cyanide ion to the receptor. The nitrophenyl azo group amplified the observed change in color triggered by cyanide binding to the spiropyran derivative enabling high sensitivity.Theoretical methods were used to investigate the experimental observation at the molecular level.
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Total citations:
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Citations from 2025:
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Prakash K., Ranjan Sahoo P., Kumar S. A substituted spiropyran for highly sensitive and selective colorimetric detection of cyanide ions // Sensors and Actuators, B: Chemical. 2016. Vol. 237. pp. 856-864.
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Prakash K., Ranjan Sahoo P., Kumar S. A substituted spiropyran for highly sensitive and selective colorimetric detection of cyanide ions // Sensors and Actuators, B: Chemical. 2016. Vol. 237. pp. 856-864.
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TY - JOUR
DO - 10.1016/j.snb.2016.06.170
UR - https://doi.org/10.1016/j.snb.2016.06.170
TI - A substituted spiropyran for highly sensitive and selective colorimetric detection of cyanide ions
T2 - Sensors and Actuators, B: Chemical
AU - Prakash, Kunal
AU - Ranjan Sahoo, Priya
AU - Kumar, Satish
PY - 2016
DA - 2016/12/01
PB - Elsevier
SP - 856-864
VL - 237
SN - 0925-4005
ER -
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BibTex (up to 50 authors)
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@article{2016_Prakash,
author = {Kunal Prakash and Priya Ranjan Sahoo and Satish Kumar},
title = {A substituted spiropyran for highly sensitive and selective colorimetric detection of cyanide ions},
journal = {Sensors and Actuators, B: Chemical},
year = {2016},
volume = {237},
publisher = {Elsevier},
month = {dec},
url = {https://doi.org/10.1016/j.snb.2016.06.170},
pages = {856--864},
doi = {10.1016/j.snb.2016.06.170}
}
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