Application of the Langmuir Technique to Study the Response of C-dec-9-en-1-ylcalix[4]resorcinarene and C-undecylcalix[4]resorcinarene Ultra-thin Films' Interactions with Cd2+, Hg2+, Pb2+, and Cu2+ Cations Present in the Subphase

The calix[4]resorcinarene macrocycles are excellent oligomers for the design of amphiphilic derivatives; they can form self-assemblies and stable sensing networks. Owing to their favorable properties, they are the focus of many exploitations and studies ranging from biological controls to heavy meta...

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Bibliographic Details
Published in:Water, air, and soil pollution air, and soil pollution, 2019-12, Vol.230 (12), Article 279
Main Authors: Eddaif, Larbi, Shaban, Abdul, Telegdi, Judit
Format: Article
Language:English
Subjects:
Air-water interface
Atmospheric Protection/Air Quality Control/Air Pollution
Cadmium
Cations
Chemical sensors
Climate Change/Climate Change Impacts
Copper
Dependence
Derivatives
Earth and Environmental Science
Environment
Environmental monitoring
Heavy metals
Hydrogeology
Interfaces
Lead
Mercury (metal)
Metal concentrations
Metal ions
Metals
Monomolecular films
Nitrates
Oligomers
Organic chemistry
Poisoning
Reproducibility
Selectivity
Sensors
Soil Science & Conservation
Thin films
Water Quality/Water Pollution
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Summary:The calix[4]resorcinarene macrocycles are excellent oligomers for the design of amphiphilic derivatives; they can form self-assemblies and stable sensing networks. Owing to their favorable properties, they are the focus of many exploitations and studies ranging from biological controls to heavy metal ion sensing. In this perspective, two calix[4]resorcinarene derivatives, namely: C-dec-9-en-1-ylcalix[4]resorcinarene (ionophore I ) and C-undecylcalix[4]resorcinarene (ionophore II ) were used to form stable ultra-thin Langmuir monolayer films at the air/water interface; their interactions with different harmful metal cations (Cd 2+ , Pb 2+ , Hg 2+ , and Cu 2+ ) were studied and highlighted via the pressure-area (Π-A) isotherms. The obtained results in the current investigation showed a dependence of both macrocycle interactions on the metal cation concentration in the subphase, confirming their complexation. In addition, the ionophore ( I ) exhibited high selectivity towards Pb 2+ and Cu 2+ cations, whereas the ionophore ( II ) showed tendency to bind with Cu 2+ cations over others, approving the potential applicability of these macrocycles as ion selective chemical sensors.
ISSN:0049-6979
1573-2932
DOI:10.1007/s11270-019-4322-7