Examples of 'calixarenes' in a sentence
Meaning of "calixarenes"
Calixarenes are a class of organic compounds that are macrocyclic in structure
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- plural of calixarene
How to use "calixarenes" in a sentence
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calixarenes
Most asymmetric calixarenes are also new compounds.
Sulfonation also improved the solubility of calixarenes.
Calixarenes are structurally related to the pillararenes.
It is observed in compounds such as calixarenes and acridines.
Calixarenes substituted by acetamidophosphine oxide groups.
This solid is constituted by a mixture of large calixarenes.
The calixarenes belong to the metacyclophans.
The first surface is a gold substrate functionalized by calixarenes.
Calixarenes have proved to be especially preferred coating materials.
It is also possible to use mixtures of calixarenes.
Calixarenes are generally represented by a basket or a cage capable of imprisoning a molecule.
They developed methods for the stepwise synthesis of calixarenes.
Use of calixarenes associated with an antibiotic in the treatment of bacterial infections.
Extraction of radioactive elements by calixarenes.
The present invention relates to the use of calixarenes in the treatment of bacterial infections.
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The subject of the present invention is precisely new derivatives of calixarenes.
It seems that calixarenes having less than three phenolic rings are not accessible.
The last objective of this work is the synthesis of new calixarenes copolymers.
Calixarenes have been suggested as being useful for the sequestration of certain ionic metallic species.
Monitoring the reaction shows an evolution of the composition towards the formation of giant calixarenes.
Calixarenes are characterised by a wide upper rim and a narrow lower rim and a central annulus.
The nanoparticles according to the present invention comprise amphiphilically modified calixarenes as the enclosing molecules.
Calixarenes exist in different chemical conformations because rotation around the methylene bridge is not difficult.
Field of the Invention The present invention is related to the preparation of calixarenes.
A series of dansylamide-substituted calixarenes was successfully synthesized.
Further examples of ionophores are coronandenes, kryptandenes and calixarenes.
Preferably, the calixarenes are in the form of micelles.
The chapter I talk about introduction and a bibliographical study on calixarenes and their applications in biology.
Calixarenes are characterised by a three-dimensional basket, cup or bucket shape.
The results obtained and the tested calixarenes are given in table 1.
Therefore, the calixarenes according to the invention are much more beneficial.
More precisely, it involves separation of such metals by membrane transport by means of calixarenes.
Therefore, it is necessary in the synthesis of calixarenes to start from para substituted phenols.
Of the calixarenes and oxacalixarenes, many are known, and are reported in the patent literature.
During our work, numerous crystals of the substituted calixarenes have been obtained.
Thus, calixarenes have played important roles as a host molecule in host-guest chemistry.
More precisely, it involves separation of such metals by liquid-liquid extraction by means of calixarenes.
In addition, in nanotechnology calixarenes are used as negative resist for high-resolution electron beam lithography.
Recently, studies have also been made on applications utilizing the characteristic features of calixarenes.
Calixarenes also form exo-calix ammonium salts with aliphatic amines such as piperidine.
Until now, sulfonation of para alkyl substituted calixarenes has generally been effected by a multistep process.
Suitable organic sulphonic acids include methane sulphonic acid, p-toluenesulphonic acid and sulphonated calixarenes.
Typical calixarenes which are suitable as coating materials are compiled in Table 1 hereinbelow.
The MITC-sensitive sensor areas are designed as quartz micro-balances and provided with a coating of calixarenes.
The calixarenes of formula ( I ) are anionic molecules having detergent properties.
In a first aspect of the present invention there is disclosed calixarenes of the formula ( I ).
In the calixarenes according to the invention, R3 advantageously represents a hydrogen atom.
New macrocyclic extradants for radioactive waste treatment, Ionizable crown ethers and functionalized calixarenes.
In calixarenes the internal volume is around 10 cubic angstroms.
This solid appears to be more than 95 % constituted by giant calixarenes.
