Incorporation of metal free and Ga 5,10,15,20-tetrakis(4-bromophenyl) porphyrin into Pluronic F127-folic acid micelles
Publication type: Journal Article
Publication date: 2018-02-01
scimago Q2
wos Q2
SJR: 0.585
CiteScore: 7.0
Impact factor: 3.6
ISSN: 00222313, 18727883
General Chemistry
Biochemistry
Biophysics
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Abstract
ClGa 5,10,15,20-Tetrakis (4-bromophenyl) porphyrinato (ClGaTBrPP) and its metal free derivative were successfully synthesized and incorporated into Pluronic F127 polymeric micelles that has been conjugated to folic acid (FA) to form ClGaTBrPP-F127-FA (or H 2 TBrPP-F127-FA). For comparison, ClGaTBrPP-F127 and H 2 TBrPP-F127 (without FA) were also formed. The singlet oxygen quantum yield for ClGaTBrPP-F127-FA was higher (Φ Δ = 0.44) than that of H 2 TBrPP-F127-FA (Φ Δ = 0.37), due to the heavy atom effect of Ga in the former which encourages intersystem crossing to the triplet state. The same applies to ClGaTBrPP-F127 (Φ Δ = 0.47) and H 2 TBrPP-F127 (Φ Δ = 0.41). Thus, Φ Δ values decreased in the presence of FA, but still high enough for practical application of the nanodrug system. The binding constants K b were determined to be 1.08 × 10 4 M −1 , 2.51 × 10 5 M −1 , 1.52 × 10 3 and 2.68 × 10 3 for H 2 TBrPP+F127-FA, ClGaTBrPP+F127-FA, ClGaTBrPP-F127 and H 2 TBrPP-F127, respectively. The K p values were determined in biphasic octanol and water system.
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GOST
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Managa M. et al. Incorporation of metal free and Ga 5,10,15,20-tetrakis(4-bromophenyl) porphyrin into Pluronic F127-folic acid micelles // Journal of Luminescence. 2018. Vol. 194. pp. 739-746.
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Managa M., Pitchou Ngoy B., Mafukidze D. M., Nyokong T. Incorporation of metal free and Ga 5,10,15,20-tetrakis(4-bromophenyl) porphyrin into Pluronic F127-folic acid micelles // Journal of Luminescence. 2018. Vol. 194. pp. 739-746.
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TY - JOUR
DO - 10.1016/j.jlumin.2017.09.045
UR - https://doi.org/10.1016/j.jlumin.2017.09.045
TI - Incorporation of metal free and Ga 5,10,15,20-tetrakis(4-bromophenyl) porphyrin into Pluronic F127-folic acid micelles
T2 - Journal of Luminescence
AU - Managa, Muthumuni
AU - Pitchou Ngoy, Bokolombe
AU - Mafukidze, Donovan M
AU - Nyokong, Tebello
PY - 2018
DA - 2018/02/01
PB - Elsevier
SP - 739-746
VL - 194
SN - 0022-2313
SN - 1872-7883
ER -
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@article{2018_Managa,
author = {Muthumuni Managa and Bokolombe Pitchou Ngoy and Donovan M Mafukidze and Tebello Nyokong},
title = {Incorporation of metal free and Ga 5,10,15,20-tetrakis(4-bromophenyl) porphyrin into Pluronic F127-folic acid micelles},
journal = {Journal of Luminescence},
year = {2018},
volume = {194},
publisher = {Elsevier},
month = {feb},
url = {https://doi.org/10.1016/j.jlumin.2017.09.045},
pages = {739--746},
doi = {10.1016/j.jlumin.2017.09.045}
}