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Host-Guest Complexation of a Pyrogallol[4]arene Derivative at the Air-Water Interface
被引:3
|作者:
Waidely, Eric
[1
]
Pumilia, Cyrus
[1
]
Malagon, Andres
[2
]
Vargas, Edgar F.
[2
]
Li, Shanghao
[1
]
Leblanc, Roger M.
[1
]
机构:
[1] Univ Miami, Dept Chem, Cox Sci Ctr, Coral Gables, FL 33146 USA
[2] Univ Los Andes, Dept Quim, Lab Termondinam Soluc, Bogota, Colombia
来源:
基金:
美国国家科学基金会;
关键词:
LANGMUIR-BLODGETT-FILMS;
MOLECULAR RECOGNITION;
METAL-BINDING;
CALIXARENE;
MONOLAYERS;
CHEMISTRY;
DNA;
NANOPARTICLES;
CAPSULES;
CADMIUM;
D O I:
10.1021/la504841u
中图分类号:
O6 [化学];
学科分类号:
0703 ;
摘要:
The host-guest properties of acetylated aryl pyrogallol[4]arene (AcPy) were studied as a Langmuir monolayer at the air-water interface. The self-assembled Langmuir monolayer properties and interactions with monovalent and divalent metal cations were investigated using surface pressure- and surface potential-area isotherms, compression-decompression cycles, stability, and infrared reflection-absorption spectroscopy (IRRAS). A favorable interaction is observed for complexation between acetylated aryl pyrogallol[4]arene with divalent calcium and cadmium cations, while no interaction is observed for monovalent sodium and potassium cations. Spectroscopic techniques allow for discrimination between cadmium and calcium complexation.
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页码:1368 / 1375
页数:8
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