Dyes and Pigments, volume 183, pages 108731
Stabilization of a gadolinium(III)-porphyrin in aqueous solution for oxygen sensing
Publication type: Journal Article
Publication date: 2020-12-01
Journal:
Dyes and Pigments
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 4.5
ISSN: 01437208, 18733743
General Chemical Engineering
Process Chemistry and Technology
Abstract
Abstract Gd(III)-porphyrins are promising phosphorescent materials that are widely available and inexpensive compared to the most widely used phosphorescent materials (e.g., Pt(II)- and Pd(II)-porphyrins). However, Gd(III)-porphyrins are generally unstable in aqueous solutions, which limits their application in the biomedical field. Here, we report a method for stabilizing gadolinium-hematoporphyrin monomethyl ether (Gd-HMME), a Gd(III)-porphyrin, in aqueous solutions using the tripodal (cyclopentadienyl)tris(dimethylphosphito)cobaltate(I) anion, (LOMe–). When not complexed with LOMe–, the luminescence and UV–visible spectra of Gd-HMME in an aqueous solution show the luminescence and absorption characteristics of HMME after several hours of storage. However, after binding with LOMe–, the luminescence and absorption spectra of Gd-HMME-LOMe show no obvious change even after several days of storage in the aqueous solution. Gd-HMME-LOMe can be stored in aqueous solutions for longer than one month, which is sufficient for practical use. The phosphorescence intensity of Gd-HMME-LOMe decreased with increasing oxygen concentration, while its fluorescence intensity remained unchanged, indicating that Gd-HMME-LOMe can be used as a ratiometric oxygen sensor. In the investigated oxygen concentration range, the Stern–Volmer plot exhibits an appropriate linear, with a response factor greater than 10, which is sufficiently high for practical oxygen sensing. Thus, a Gd-porphyrin complex with ratiometric oxygen-sensing ability, which is stable in aqueous solution, was prepared in this study.
Citations by journals
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International Journal of Molecular Sciences
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International Journal of Molecular Sciences
1 publication, 100%
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Citations by publishers
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Multidisciplinary Digital Publishing Institute (MDPI)
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Multidisciplinary Digital Publishing Institute (MDPI)
1 publication, 100%
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Zang L., Zhao H. Stabilization of a gadolinium(III)-porphyrin in aqueous solution for oxygen sensing // Dyes and Pigments. 2020. Vol. 183. p. 108731.
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Zang L., Zhao H. Stabilization of a gadolinium(III)-porphyrin in aqueous solution for oxygen sensing // Dyes and Pigments. 2020. Vol. 183. p. 108731.
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TY - JOUR
DO - 10.1016/j.dyepig.2020.108731
UR - https://doi.org/10.1016%2Fj.dyepig.2020.108731
TI - Stabilization of a gadolinium(III)-porphyrin in aqueous solution for oxygen sensing
T2 - Dyes and Pigments
AU - Zang, Lixin
AU - Zhao, Huimin
PY - 2020
DA - 2020/12/01 00:00:00
PB - Elsevier
SP - 108731
VL - 183
SN - 0143-7208
SN - 1873-3743
ER -
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@article{2020_Zang,
author = {Lixin Zang and Huimin Zhao},
title = {Stabilization of a gadolinium(III)-porphyrin in aqueous solution for oxygen sensing},
journal = {Dyes and Pigments},
year = {2020},
volume = {183},
publisher = {Elsevier},
month = {dec},
url = {https://doi.org/10.1016%2Fj.dyepig.2020.108731},
pages = {108731},
doi = {10.1016/j.dyepig.2020.108731}
}