Results 21 to 30 of about 824,364 (287)

Calculation of the Stability Index in Parameter-Dependent Calculus of Variations Problems: Buckling of a Twisted Elastic Strut [PDF]

open access: yes, 2002
We consider the problem of minimizing the energy of an inextensible elastic strut with length 1 subject to an imposed twist angle and force. In a standard calculus of variations approach, one first locates equilibria by solving the Euler--Lagrange ODE ...
Hoffman, Kathleen A.   +2 more
core   +2 more sources

Passive phase conjugate mirror based on self-induced oscillation in an optical ring cavity [PDF]

open access: yes, 1983
A passive phase conjugate mirror based on four-wave mixing in an optical ring cavity is described. Unlike previously demonstrated passive phase conjugate mirrors it generates only one of its pumping beams by nonlinear optical interactions, the other ...
Cronin-Golomb, Mark   +3 more
core   +1 more source

Vi polysaccharide and conjugated vaccines afford similar early, IgM or IgG-independent control of infection but boosting with conjugated Vi vaccines sustains the efficacy of immune responses

open access: yesFrontiers in Immunology, 2023
IntroductionVaccination with Vi capsular polysaccharide (Vi-PS) or protein-Vi typhoid conjugate vaccine (TCV) can protect adults against Salmonella Typhi infections.
Siân E. Jossi   +23 more
doaj   +1 more source

Meyer sets, topological eigenvalues, and Cantor fiber bundles [PDF]

open access: yes, 2013
We introduce two new characterizations of Meyer sets. A repetitive Delone set in $\R^d$ with finite local complexity is topologically conjugate to a Meyer set if and only if it has $d$ linearly independent topological eigenvalues, which is if and only if
Kellendonk, Johannes, Sadun, Lorenzo
core   +3 more sources

Factorizations of finite groups by conjugate subgroups which are solvable or nilpotent [PDF]

open access: yes, 2015
We consider factorizations of a finite group $G$ into conjugate subgroups, $G=A^{x_{1}}\cdots A^{x_{k}}$ for $A\leq G$ and $x_{1},\ldots ,x_{k}\in G$, where $A$ is nilpotent or solvable.
Garonzi, Martino   +3 more
core   +2 more sources

Synthesis and in vitro Evaluation of Levothyroxine- Targeted Paclitaxel-Dextran Conjugate for Drug Delivery to Cancer Cells [PDF]

open access: yesTrends in Pharmaceutical Sciences, 2023
Taxanes are a class of potent anticancer agents used in different cancers. Their low water solubility is the major challenge in formulation development that leads to the use of surfactants and organic solvents which causes severe hypersensitivity ...
Fatemeh Ahmadi   +3 more
doaj   +1 more source

A theoretical and experimental investigation of the modes of optical resonators with phase-conjugate mirrors [PDF]

open access: yes, 1979
We present an analysis of resonator properties for a cavity bounded by a phase conjugate mirror, which is generated by a degenerate four-wave nonlinear optical interaction.
AuYeung, John   +3 more
core   +1 more source

On Conjugacy of MASAs and the Outer Automorphism Group of the Cuntz Algebra [PDF]

open access: yes, 2013
We investigate the structure of the outer automorphism group of the Cuntz algebra and the closely related problem of conjugacy of MASAa in O_n. In particular, we exhibit an uncountable family of MASAs, conjugate to the standard MASA D_n via Bogolubov ...
Conti, Roberto   +2 more
core   +2 more sources

State estimation from pair of conjugate qudits [PDF]

open access: yes, 2006
We show that, for $N$ parallel input states, an anti-linear map with respect to a specific basis is essentially a classical operator. We also consider the information contained in phase-conjugate pairs $|\phi > |\phi^*>$, and prove that there is more ...
D. J. Griffiths   +5 more
core   +1 more source

Conjugate DNAzymes [PDF]

open access: yesNucleic Acids Symposium Series, 2003
Conjugate DNAzymes were synthesized by solid phase fragment condensation and their biological properties were characterized. They have increased affinity to target RNA, enhanced stability against DNase 1 digestion and comparable or higher RNA cleaving activity compared with native and also phosphorothioate DNA zymes.
Takanori, Kubo   +4 more
openaire   +2 more sources

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