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author = "Lai, C."
<< < 3 4 5 6 7 > >>

Found 245 documents, displaying page 5 of 25

Exploring network structures in feature space

Author(s) : Gong, Xiaofeng , Guan, Shuguang , Lai, C. -H.
Description : We propose a multi-phase approach to explore network structures. In this method, structure analysis is not carried out on the observed network directly. Instead, certain similarity measures of the nodes are derived from the network firstly, which are then projected onto an appropriate lower-dimens...
Repository : arXiv
Language(s) : Undetermined

Dynamical formation of stable irregular transients in discontinuous map systems

Author(s) : Zou, Hailin , Guan, Shuguang , Lai, C. -H.
Description : Stable chaos refers to the long irregular transients, with a negative largest Lyapunov exponent, which is usually observed in certain high-dimensional dynamical systems. The mechanism underlying this phenomenon has not been well studied so far. In this paper, we investigate the dynamical formation...
Repository : arXiv
Language(s) : Undetermined

Strengthened quantum Hamming bound

Author(s) : Yu, Sixia , Lai, C. H. , Oh, C. H.
Description : We report two analytical bounds for quantum error-correcting codes that do not have preexisting classical counterparts. Firstly the quantum Hamming and Singleton bounds are combined into a single tighter bound, and then the combined bound is further strengthened via the well-known Lloyd's theorem ...
Repository : arXiv
Language(s) : Undetermined

Spontaneous Formation of Dynamical Groups in an Adaptive Networked System

Author(s) : Li, Menghui , Guan, Shuguang , Lai, C. -H.
Description : In this work, we investigate a model of an adaptive networked dynamical system, where the coupling strengths among phase oscillators coevolve with the phase states. It is shown that in this model the oscillators can spontaneously differentiate into two dynamical groups after a long time evolution....
Repository : arXiv
Language(s) : Undetermined

Spin-label oximetry: kinetic study of cell respiration using a rapid-passage T1-sensitive electron spin resonance display.

Author(s) : Froncisz, W , Lai, C S , Hyde, J S
Description : An unusual ESR display has been developed that exhibits sensitivity to bimolecular collisions of dissolved oxygen in water with nitroxide radical spin probes at oxygen concentrations as low as 0.1 microM, requiring only 1 microliter of sample. The method involves observation of the ESR rapid-passage...
Repository : Europe PubMed Central
Language(s) : English

The 32-kilodalton envelope protein of vaccinia virus synthesized in Escherichia coli binds with specificity to cell surfaces.

Author(s) : Lai, C F , Gong, S C , Esteban, M
Description : The nature of interaction between vaccinia virus and the surface of host cells as the first step in virus infection is undefined. A 32-kDa virus envelope protein has been identified as a cell surface binding protein (J.-S. Maa, J. F. Rodriguez, and M. Esteban, J. Biol. Chem. 265:1569-1577, 1990). To...
Repository : Europe PubMed Central
Language(s) : English

The purified 14-kilodalton envelope protein of vaccinia virus produced in Escherichia coli induces virus immunity in animals.

Author(s) : Lai, C F , Gong, S C , Esteban, M
Description : Vaccinia virus (VV) was successfully used as a live vaccine to eradicate smallpox, but the nature of viral proteins involved in eliciting viral immunity has not yet been identified. A potential candidate is a 14-kDa VV envelope protein that is involved in virus penetration at the level of virus-cell...
Repository : Europe PubMed Central
Language(s) : English

Evidence that the two free sulfhydryl groups of plasma fibronectin are in different local environments. Saturation-recovery electron spin resonance study.

Author(s) : Lai, C S , Narasimhan, C , Yin, J J
Description : Human plasma fibronectin is a dimer consisting of two subunits; each contains two cryptic thiol groups that were selectively labeled with an 15N,2H-maleimide spin label. Previous studies using conventional X-band electron spin resonance (ESR) methods showed that the spectrum of the labeled protein d...
Repository : Europe PubMed Central
Language(s) : English

An evaluation of paramagnetic broadening agents for spin probe studies of intact mammalian cells.

Author(s) : Lai, C S , Froncisz, W , Hopwood, L E
Description : Six transition metal ion complexes have been examined for their effects on the cell survival as well as their effectiveness in inducing the broadening of the electron spin resonance (ESR) spectra of nitroxide spin probes. These paramagnetic species are Ni(EDTA), Ni(DTPA), potassium tris(oxalato) chr...
Repository : Europe PubMed Central
Language(s) : English

The endosymbiont (Buchnera sp.) of the aphid Diuraphis noxia contains plasmids consisting of trpEG and tandem repeats of trpEG pseudogenes.

Author(s) : Lai, C Y , Baumann, P , Moran, N
Description : Most aphids are dependent for their survival on prokaryotic endosymbionts assigned to the genus Buchnera. Among the functions of Buchnera species is the synthesis of tryptophan, which is required by the aphid host. In Buchnera species from the aphid Diuraphis noxia, the genes for anthranilate syntha...
Repository : Europe PubMed Central
Language(s) : English
<< < 3 4 5 6 7 > >>

Found 245 documents, displaying page 5 of 25