Synthesis, photochemical properties, and computational analysis of a pyrene-benzimidazole bipodal molecular scaffold for pH and perchlorate sensing

P.U. Ashvin Iresh Fernando 1
, 
Gilbert K Kosgei 2
, 
Timothy Schutt 2
, 
Glen R Jenness 2
, 
C. H. Chen 3
, 
Garrett W George 2
, 
Ashley N. Kimble 2
, 
William M. Nelson 2
, 
David L. Henderson 2
, 
Lee C Moores 2
1
 
Bennett Aerospace, 1 Glenwood Ave 5th Floor, Raleigh, NC 27603, United States | 
2
 
US Army Engineer Research and Development Center, Environmental Laboratory, Vicksburg, MS, United States | 
3
 
Publication type: Journal Article
Publication date: 2023-05-01
Elsevier
scimago Q2
wos Q2
SJR: 0.694
CiteScore: 7.8
Impact factor: 4.7
ISSN: 10106030, 18732666
General Chemistry
General Chemical Engineering
General Physics and Astronomy
Abstract
Functionalized molecular design has been employed to selectively bind and signal the presence of perchlorate ions in aqueous-type solutions. Pyrene-benzimidazole-based bipodal molecular scaffolds were studied to understand their response to perchlorate detection in acidic buffered media. The molecules showed a significant, selective “turn-on” response towards perchlorate ion, even in the presence of heavy metal ions. The structure and characteristics of the molecule were determined through 1H nuclear magnetic resonance (NMR), 13C NMR, NMR titration studies, single-crystal X-ray crystallography, computational modeling and predictions, absorption spectroscopy, and fluorescence spectroscopy. Furthermore, the molecule was found to be sensitive to changes in pH, making it useful for detecting changes in a local environment.
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Ashvin Iresh Fernando P. et al. Synthesis, photochemical properties, and computational analysis of a pyrene-benzimidazole bipodal molecular scaffold for pH and perchlorate sensing // Journal of Photochemistry and Photobiology A: Chemistry. 2023. Vol. 439. p. 114588.
GOST all authors (up to 50) Copy
Ashvin Iresh Fernando P., Kosgei G. K., Schutt T., Jenness G. R., Chen C. H., George G. W., Kimble A. N., Nelson W. M., Henderson D. L., Moores L. C. Synthesis, photochemical properties, and computational analysis of a pyrene-benzimidazole bipodal molecular scaffold for pH and perchlorate sensing // Journal of Photochemistry and Photobiology A: Chemistry. 2023. Vol. 439. p. 114588.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1016/j.jphotochem.2023.114588
UR - https://doi.org/10.1016/j.jphotochem.2023.114588
TI - Synthesis, photochemical properties, and computational analysis of a pyrene-benzimidazole bipodal molecular scaffold for pH and perchlorate sensing
T2 - Journal of Photochemistry and Photobiology A: Chemistry
AU - Ashvin Iresh Fernando, P.U.
AU - Kosgei, Gilbert K
AU - Schutt, Timothy
AU - Jenness, Glen R
AU - Chen, C. H.
AU - George, Garrett W
AU - Kimble, Ashley N.
AU - Nelson, William M.
AU - Henderson, David L.
AU - Moores, Lee C
PY - 2023
DA - 2023/05/01
PB - Elsevier
SP - 114588
VL - 439
SN - 1010-6030
SN - 1873-2666
ER -
BibTex
Cite this
BibTex (up to 50 authors) Copy
@article{2023_Ashvin Iresh Fernando,
author = {P.U. Ashvin Iresh Fernando and Gilbert K Kosgei and Timothy Schutt and Glen R Jenness and C. H. Chen and Garrett W George and Ashley N. Kimble and William M. Nelson and David L. Henderson and Lee C Moores},
title = {Synthesis, photochemical properties, and computational analysis of a pyrene-benzimidazole bipodal molecular scaffold for pH and perchlorate sensing},
journal = {Journal of Photochemistry and Photobiology A: Chemistry},
year = {2023},
volume = {439},
publisher = {Elsevier},
month = {may},
url = {https://doi.org/10.1016/j.jphotochem.2023.114588},
pages = {114588},
doi = {10.1016/j.jphotochem.2023.114588}
}