The quotients Gk/Gk+1 of the lower central series of a finitely presented group G are an important invariant of this group. In this work we investigate the ranks of these quotients in the case of a certain class of conjugation-free groups, which are groups generated by x1, . . . , xn and having only cyclic relations: xitxit−1 · . . . · xi1 = xit−1 · . . . · xi1xit = · · · = xi1xit · . . . · xi2...

The geometry of ethyl cation is discussed, and the hyperconjugation effect in carbocations is evaluated at the B3LYP/6-311G(d) level. The Block Localized Wavefunction (BLW) method is used for all evaluations of the hyperconjugation, considered as the energy gained by the delocalization onto the C(+) atom. This energy is defined as the energy difference between the delocalized (standard) calcula...

conjugation of monoclonal antibodies to super paramagnetic nanoparticles is an effective method for cancer diagnosis and treatment. in this study the humanized anti her2/neu monoclonal antibody- herceptin- was conjugated to super paramagnetic iron oxide (spio) nanoparticles using edc method. the concentration of the conjugated antibodies was measured by bradford assay. the antibody-nanoparticle...

We impose the requirement that the isovector axial vector current for the soliton sector of the chiral quark model transforms correctly under particle conjugation. This forces us to choose an otherwise arbitrary ordering of collective space operators in such a way that the next–to–leading 1/NC correction to gA vanishes.

We present an experimental study of the behavior of photorefractive double phase-conjugate mirrors that illustrates recent theoretical predictions. We observe a sharp fidelity threshold that significantly depends on the specific feature size in the input beams. Furthermore, we find that if the two input beams have unequal intensities the conjugation process is asymmetric and the steady-state fi...

We report an analytical description of four wave mixing in lumped optical transmission systems deploying mid-link optical phase conjugator, and provide corroborating simulation results matching theoretical predictions for four wave mixing and for modulated signals. OCIS codes: (190.4380) Nonlinear optics, four-wave mixing; (060.4510) Optical communications.

Cole, A. P., and Hargreaves, T. (1972). Archives of Disease in Childhood, 47, 415. Conjugation inhibitors and early neonatal hyperbilirubinaemia. Milk and serum were obtained from 50 mothers on the 6th day post partum and examined for inhibitory activity against bilirubin conjugation in rat liver slices. Neonatal serum bilirubin levels were also analysed at this time. There was no relation betw...

We discuss the recent finding by Mizishima's group regarding the role of the autophagy-related conjugation system in mediating the closure of autophagosomes and its implication in the study of autophagy in mammalian cells. The study not only shows a novel function of the autophagy-related conjugation system but also indicates that mammalian cells are capable of generating autophagosomes even wi...