pH-Responsive chromogenic-sensing molecule based on bis(indolyl)methene for the highly selective recognition of aspartate and glutamate

Bis(indolyl)methene displays high selectivity and sensitivity for aspartate and glutamate in water-containing medium based on the proton transfer signaling mode. The presence of acid can easily induce proton transfer to the basic H-bond acceptor moiety, which modulates the internal charge transfer s...

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Detalles Bibliográficos
Autores principales: Wang, Litao, He, Xiaoming, Guo, Yong, Xu, Jian, Shao, Shijun
Formato: Texto
Lenguaje:English
Publicado: Beilstein-Institut 2011
Materias:
Letter
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3063074/
https://www.ncbi.nlm.nih.gov/pubmed/21448262
http://dx.doi.org/10.3762/bjoc.7.29
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author Wang, Litao
He, Xiaoming
Guo, Yong
Xu, Jian
Shao, Shijun
author_facet Wang, Litao
He, Xiaoming
Guo, Yong
Xu, Jian
Shao, Shijun
author_sort Wang, Litao
collection PubMed
description Bis(indolyl)methene displays high selectivity and sensitivity for aspartate and glutamate in water-containing medium based on the proton transfer signaling mode. The presence of acid can easily induce proton transfer to the basic H-bond acceptor moiety, which modulates the internal charge transfer state of the bis(indolyl)methene skeleton and gives rise to dramatic change in color. The detection limits for aspartate and glutamate were 0.80 ppm and 1.12 ppm, respectively.
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spelling pubmed-30630742011-03-28 pH-Responsive chromogenic-sensing molecule based on bis(indolyl)methene for the highly selective recognition of aspartate and glutamate Wang, Litao He, Xiaoming Guo, Yong Xu, Jian Shao, Shijun Beilstein J Org Chem Letter Bis(indolyl)methene displays high selectivity and sensitivity for aspartate and glutamate in water-containing medium based on the proton transfer signaling mode. The presence of acid can easily induce proton transfer to the basic H-bond acceptor moiety, which modulates the internal charge transfer state of the bis(indolyl)methene skeleton and gives rise to dramatic change in color. The detection limits for aspartate and glutamate were 0.80 ppm and 1.12 ppm, respectively. Beilstein-Institut 2011-02-16 /pmc/articles/PMC3063074/ /pubmed/21448262 http://dx.doi.org/10.3762/bjoc.7.29 Text en Copyright © 2011, Wang et al. https://creativecommons.org/licenses/by/2.0https://www.beilstein-journals.org/bjoc/termsThis is an Open Access article under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The license is subject to the Beilstein Journal of Organic Chemistry terms and conditions: (https://www.beilstein-journals.org/bjoc/terms)
spellingShingle Letter
Wang, Litao
He, Xiaoming
Guo, Yong
Xu, Jian
Shao, Shijun
pH-Responsive chromogenic-sensing molecule based on bis(indolyl)methene for the highly selective recognition of aspartate and glutamate
title pH-Responsive chromogenic-sensing molecule based on bis(indolyl)methene for the highly selective recognition of aspartate and glutamate
title_full pH-Responsive chromogenic-sensing molecule based on bis(indolyl)methene for the highly selective recognition of aspartate and glutamate
title_fullStr pH-Responsive chromogenic-sensing molecule based on bis(indolyl)methene for the highly selective recognition of aspartate and glutamate
title_full_unstemmed pH-Responsive chromogenic-sensing molecule based on bis(indolyl)methene for the highly selective recognition of aspartate and glutamate
title_short pH-Responsive chromogenic-sensing molecule based on bis(indolyl)methene for the highly selective recognition of aspartate and glutamate
title_sort ph-responsive chromogenic-sensing molecule based on bis(indolyl)methene for the highly selective recognition of aspartate and glutamate
topic Letter
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3063074/
https://www.ncbi.nlm.nih.gov/pubmed/21448262
http://dx.doi.org/10.3762/bjoc.7.29
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