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Manipulating intermolecular interactions

New pH/temperature-sensitive polymer systems with transitions resulting from both polymer-polymer and polymer-water interactions have been demonstrated and their pH/temperature-induced phase transition has been investigated. Intra/intermolecular interactions via hydrogen bond play an important role in determining the phase transition. By manipulating the... [Pg.64]

A knowledge of the magnitude of these quantities and their quantitative contributions to /uE can give insight into the detailed character of the intermolecular interactions in a biopolymer solution, including the means by which their properties may be manipulated. The sign of the second virial coefficient provides a simple indicator of the type of interactions... [Pg.84]

It is clear that combining the design of NLO active molecules with the manipulation of selective intermolecular interactions may produce novel NLO materials that take into account supramolecular features. [Pg.103]

The directed manipulation of intermolecular interactions (hydrogen bonding, van der Waals forces, metal coordination) gives access to a supramolecular engineering of molecular assemblies and of polymers (see, for instance, [7.10-7.13, 7.44, 9.142, 9.157, 9.161-9.163]) through the design of instructed monomeric and polymeric species. It leads to the development of a supramolecular materials chemistry (see Section 9.8). [Pg.174]

The results presented above illustrate how combining the design of NLO active molecules with the manipulation of selective intermolecular interactions may produce novel NLO materials. Bringing together two basic features of supramolecular chemistry -molecular recognition and self-organization- with the optical properties of the components, opens ways towards the design of supramolecular photonic devices. [Pg.443]

Magnetic beads can provide a handle that can be used to manipulate molecules and investigate intermolecular interactions [111]. DNA strands can be attached to a glass surface on one end and a micron-sized magnetic... [Pg.471]

As described below, investigations on the design and synthesis of photore-active mixed molecular crystals are still very limited in number and scope. However, by very ingenious manipulation of the above-mentioned intermolecular interactions, construction of new crystals bearing desired reactivities should be possible for many types of bimolecular photoreaction. Mote investigations in this direction should be carried out. [Pg.6]

The concepts of crystal engineering and molecular recognition are exceedingly similar and both fields are concerned with the manipulation of intermolecular interactions in the architecture of supramolecular assemblies. Crystal engineering and molecular recognition are the supramolecular equivalents of... [Pg.54]


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See also in sourсe #XX -- [ Pg.421 ]




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