Zinc-Specific Fluorescent Response of Tris(isoquinolylmethyl)amines (isoTQAs)
Тип публикации: Journal Article
Дата публикации: 2012-01-19
scimago Q1
wos Q1
БС1
SJR: 0.928
CiteScore: 7.6
Impact factor: 4.7
ISSN: 00201669, 1520510X
PubMed ID:
22260223
Inorganic Chemistry
Physical and Theoretical Chemistry
Краткое описание
Isoquinoline-based tetradentate ligands with C(3)-symmetry, tris(1- or 3-isoquinolylmethyl)amine (1- or 3-isoTQA), have been prepared and their zinc-induced fluorescence enhancement was investigated. Upon excitation at 324 nm, 1-isoTQA shows very weak fluorescence (ϕ = ∼0.003) in DMF/H(2)O (1/1) solution. In the presence of zinc ion, 1-isoTQA exhibits fluorescence increase (ϕ = 0.041) at 359 and 470 nm. This fluorescence enhancement at 470 nm is specific for zinc. However, 3-isoTQA exhibited a smaller fluorescence enhancement upon zinc complexation (ϕ = 0.017, λ(em) = 360 and 464 nm) compared with 1-isoTQA. Crystal structures of zinc complexes of isoTQAs demonstrate the diminished steric crowding and shorter Zn-N(aromatic) distances compared with isoTQENs (N,N,N',N'-tetrakis(isoquinolylmethyl)ethylenediamines) leads to a higher fluorescent response toward zinc relative to cadmium.
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MIKATA Y. et al. Zinc-Specific Fluorescent Response of Tris(isoquinolylmethyl)amines (isoTQAs) // Inorganic Chemistry. 2012. Vol. 51. No. 3. pp. 1859-1865.
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MIKATA Y., Iwatsuki S., KONNO H. Zinc-Specific Fluorescent Response of Tris(isoquinolylmethyl)amines (isoTQAs) // Inorganic Chemistry. 2012. Vol. 51. No. 3. pp. 1859-1865.
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TY - JOUR
DO - 10.1021/ic202159v
UR - https://doi.org/10.1021/ic202159v
TI - Zinc-Specific Fluorescent Response of Tris(isoquinolylmethyl)amines (isoTQAs)
T2 - Inorganic Chemistry
AU - MIKATA, Yuji
AU - Iwatsuki, Satoshi
AU - KONNO, Hideo
PY - 2012
DA - 2012/01/19
PB - American Chemical Society (ACS)
SP - 1859-1865
IS - 3
VL - 51
PMID - 22260223
SN - 0020-1669
SN - 1520-510X
ER -
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@article{2012_MIKATA,
author = {Yuji MIKATA and Satoshi Iwatsuki and Hideo KONNO},
title = {Zinc-Specific Fluorescent Response of Tris(isoquinolylmethyl)amines (isoTQAs)},
journal = {Inorganic Chemistry},
year = {2012},
volume = {51},
publisher = {American Chemical Society (ACS)},
month = {jan},
url = {https://doi.org/10.1021/ic202159v},
number = {3},
pages = {1859--1865},
doi = {10.1021/ic202159v}
}
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MIKATA, Yuji, et al. “Zinc-Specific Fluorescent Response of Tris(isoquinolylmethyl)amines (isoTQAs).” Inorganic Chemistry, vol. 51, no. 3, Jan. 2012, pp. 1859-1865. https://doi.org/10.1021/ic202159v.