Serological characterization of the Naka antigen.

Mitani, Takako; Haga, Hiroshi; Araseki, Miki; Kobata, Tetsuji; Ikeda, Hisami; Sekiguchi, Sadayoshi

doi:10.3925/jjtc1958.38.28

Cited by 1 publication

(1 citation statement)

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“…55 Although relatively strong noncovalent interactions, such as acid-base complexes, 56,57 hydrogen bonding, 58,59 and metal coordination 60,61 have been exploited in synthetic polymers, the examples of such weak and reversible noncovalent interactions are rare in case of polymers. 52,53,62 However, very weak interactions in polymers may be amplified with cooperativity and eventually can lead to drastic changes in its conformation, several properties, and functionalities similar to various biopolymers in nature. 63,64 Conversely, amplified cooperative behavior in polymeric system might be applied to probe a very weak interaction, which may be hard to detect if exist separately in small molecules.…”

Section: Introductionmentioning

confidence: 99%

Weak noncovalent Si···FC interactions stabilized fluoroalkylated rod‐like polysilanes as ultrasensitive chemosensors

Saxena

Rai

Kim

et al. 2006

J. Polym. Sci. A Polym. Chem.

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Noncovalent interactions, such as hydrogen bonding, metal coordination, and p-p stacking, are increasingly being utilized to develop well-ordered and selforganized supramolecular materials. Recently, new types of nonclassical weak interactions, such as C-HÁÁÁp, C-HÁÁÁF-C, and C-HÁÁÁO, have been exploited in stabilizing the specific conformations of molecules and molecular assemblies in the solid state. These noncovalent interactions play an important role in materials comprised of polymer chains, because cooperative effects from a large number of weak interactions can lead to drastic changes in its conformation, several properties, and functionalities. The programmed design of synthetic helical polymer with well-defined molecular conformation has been the main subject in modern polymer science and engineering. Silicon-catenated polysilane is an ideal helical silicon quantum wire and polymers with unique photophysical properties. The present review highlights the spectroscopic evidences for through-space weak SiÁÁÁF-C interaction in poly(methyl-3,3,3-trifluoropropylsilane) (1) in noncoordinating and coordinating solvents by means of NMR ( 29 Si and 19 F) and IR spectroscopies, and viscometric measurement. It was found that 1 is applicable for chemosensors with an extremely high sensitivity and selectivity toward fluoride ions in tetrahydrofuran (THF) and with high sensitivity for nitroaromatic compounds, detected by a decrease in the photoluminescence intensity in THF and in thin solid film. V V C 2006 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 44: 5060-5075, 2006

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