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A new type of sulphur dioxide complex of the type [Ir(S02)(C0)(PPh3)2-(I—SO2)] has been reported from the treatment of [Ir(CO)(PPh3)2l] with SO2. Co-ordination of the SO2 to I is confirmed from the i.r. spectrum, and by analogy with the similar [Pt(PPh3)2 Mel —SO2] for which an X-ray analysis has been performed (see Table 8). This report provides a warning that SO2 may attach to sites other than the metal in metal complexes. ... [Pg.394]

There are a number of examples of systems in which species firmly attached to sites can react with one another. The reaction is usually confined to groups that occupy adjacent sites. A classic example of such a system is the polymer, polyvinyl chloride, whose structure is... [Pg.166]

History — The interest attached to sites containing these compounds that antedate the introduction of modern synthetic chemicals. Gas works and the simultaneous production of tar residues are common in all countries that used coal as a source of gas lighting and heating. Many of these are now abandoned, and the industry has been displaced by dominance of electricity and oil. [Pg.786]

Q Wu and Stryer used FRET to estimate molecular dimensions of the visual pigment protein rhodopsin. They attached various fluorescent donor molecules at specific sites on the protein, and used the intrinsic retinal chromophore as the acceptor group. For one particular fluorescent donor, attached to site B on the protein, Rq was 5.2 nm and the observed fluorescence quenching was 36%. What is the distance between site B and the retinal chromophore ... [Pg.52]

It is possible to evaluate quantitatively the location of acid sites in zeolites by using different probe molecules, e.g., on one hand, ammonia, which is able to reach all acid sites, and, on the other hand, pyridine, cyclohexane, benzene, etc., probes that can only attach to sites in the main channels. [Pg.400]

The basic idea of Huxley s model is that the myosin filament has a subgroup (termed a head) attached to the main filament by a spring-like element. This subgroup fluctoates back and forth because of thermal noise and can form temporary interactions and attach to sites on the adjacent actin filament with a rate, denoted by /(x), which depends on its position x. The temporary interactions can be broken by a free-energy releasing process (ATP hydrolysis) that detaches the myosin from actin with a rate g(x) that also depends on position. These two... [Pg.287]

Here, is the charge density at the m-th site and Um,. the effective Coulomb repulsion integrals between 2p orbitals attached to sites n and m along the polymer chain. We adopt the screened Ohno expression [33] for these integrals ... [Pg.202]


See other pages where Attachment to site is mentioned: [Pg.18]    [Pg.39]    [Pg.72]    [Pg.75]    [Pg.183]    [Pg.14]    [Pg.222]    [Pg.222]    [Pg.36]    [Pg.35]    [Pg.20]    [Pg.127]    [Pg.213]    [Pg.128]    [Pg.183]    [Pg.52]    [Pg.218]    [Pg.164]    [Pg.342]    [Pg.121]    [Pg.419]   
See also in sourсe #XX -- [ Pg.425 ]




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