Journal
JOURNAL OF ORGANOMETALLIC CHEMISTRY
Volume 951, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jorganchem.2021.122011
Keywords
1,7-diaminoheptane; Cuprous cyanide; Crystal structure; Host-guest system; Catalytic activity; Biological activity
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Funding
- Tanta University, Tanta, Egypt
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This study utilized a long chain aliphatic diamine as template to create a novel nano-scaled 3D guest-host supramolecular coordination polymer, SCP1, which exhibited excellent catalytic activity, potential for dye mineralization, and antimicrobial activity.
Long chain aliphatic diamine, 1,7-diaminoheptane (DAHP), was selected as template for creation of novel nano-scaled 3D-guest-host- supramolecular coordination polymer (SCP); (3)infinity[(Cu-3(CN)(3))(2)center dot(DAHP)], 1. Crystal structure of SCP 1 consists of new bi-fold [Cu-3(CN)(3)](2) fragments containing tetrahedral copper(I) atoms which are arranged in unique way to create 3D-structure exhibiting wide cavities enable to encapsulate the long chain DAHP as guest molecule. The topology of 1 had been elucidated by spectroscopic methods, elemental analysis, transmission electron microscopy (TEM) and scanning electron microscope (SEM). The nanosized SCP1 exhibits excellent catalytic activity towards mineralization of methyl violet (MV), methylene blue (MB) and indigo carmine (IC) dyes using H2O2 as oxidant within very short times. Scavenger techniques and disodium terephthalate (NaTA) as selective photoluminescence prob of hydroxyl radical had been utilized to elucidate mineralization mechanism. Nano-SCP 1 exhibits sigmoidal dose-response inhibition of cells viability giving low IC50 values for the tested cell as well as was examined for rate erythrocyte hemolysis and antioxidant activity utilizing ABTS assay. Also, SCP1 exhibits good antimicrobial activity due to the low MIC values keeping it a promising drug candidate for the treatment of the tested bacterial and fungal infections. (C) 2021 Elsevier B.V. All rights reserved.
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