Results 71 to 80 of about 616,172 (304)

Detecting independence of random vectors: generalized distance covariance and Gaussian covariance

open access: yes, 2018
Distance covariance is a quantity to measure the dependence of two random vectors. We show that the original concept introduced and developed by Sz\'{e}kely, Rizzo and Bakirov can be embedded into a more general framework based on symmetric L\'{e}vy ...
Böttcher, Björn   +2 more
core   +1 more source

Sequence determinants of RNA G‐quadruplex unfolding by Arg‐rich regions

open access: yesFEBS Letters, EarlyView.
We show that Arg‐rich peptides selectively unfold RNA G‐quadruplexes, but not RNA stem‐loops or DNA/RNA duplexes. This length‐dependent activity is inhibited by acidic residues and is conserved among SR and SR‐related proteins (SRSF1, SRSF3, SRSF9, U1‐70K, and U2AF1).
Naiduwadura Ivon Upekala De Silva   +10 more
wiley   +1 more source

Accounting conservatism and COVID-19 restriction measures: An analysis in Latin America

open access: yesRevista Contabilidade & Finanças
The study analyzes the relationship between the restrictive measures adopted by Latin American countries to combat COVID-19 and the level of corporate conservatism.
Mariana Joyce dos Santos Nascimento   +3 more
doaj   +2 more sources

Relative Entropy of Entanglement and Restricted Measurements [PDF]

open access: yesPhysical Review Letters, 2009
We introduce variants of relative entropy of entanglement based on the optimal distinguishability from unentangled states by means of restricted measurements. In this way, we are able to prove that the standard regularized entropy of entanglement is strictly positive for all multipartite entangled states. In particular, this implies that the asymptotic
openaire   +3 more sources

Cell wall target fragment discovery using a low‐cost, minimal fragment library

open access: yesFEBS Letters, EarlyView.
LoCoFrag100 is a fragment library made up of 100 different compounds. Similarity between the fragments is minimized and 10 different fragments are mixed into a single cocktail, which is soaked to protein crystals. These crystals are analysed by X‐ray crystallography, revealing the binding modes of the bound fragment ligands.
Kaizhou Yan   +5 more
wiley   +1 more source

Kaliningrad Region in the Framework of EU Sanction Policy [PDF]

open access: yesСовременная Европа
Due to its geographical position, the Kaliningrad region always has had a special place in the context of relations between Russia and the EU. For this reason, the introduction of large-scale restrictive measures by the EU against Russia led to a ...
V.V. Voynikov
doaj   +1 more source

Objective dysphonia quantification in vocal fold paralysis: comparing nonlinear with classical measures [PDF]

open access: yes, 2009
Clinical acoustic voice recording analysis is usually performed using classical perturbation measures including jitter, shimmer and noise-to-harmonic ratios.
Declan A. E. Costello   +2 more
core   +1 more source

The (Glg)ABCs of cyanobacteria: modelling of glycogen synthesis and functional divergence of glycogen synthases in Synechocystis sp. PCC 6803

open access: yesFEBS Letters, EarlyView.
We reconstituted Synechocystis glycogen synthesis in vitro from purified enzymes and showed that two GlgA isoenzymes produce glycogen with different architectures: GlgA1 yields denser, highly branched glycogen, whereas GlgA2 synthesizes longer, less‐branched chains.
Kenric Lee   +3 more
wiley   +1 more source

A welfare economics foundation for health inequality measurement [PDF]

open access: yes, 2006
The empirical literature on the measurement of health inequalities is vast and rapidly expanding. To date, however, no foundation in welfare economics exists for the proposed measures of health inequality.
Bleichrodt, H. (Han)   +1 more
core   +1 more source

RESTRICTIONS ON INFORMATION TRANSFER IN QUANTUM MEASUREMENTS [PDF]

open access: yesInternational Journal of Quantum Information, 2007
Information-theoretical restrictions on the information transfer in quantum measurements are studied for practical systems. For the measurement of quantum system S by information system O such restrictions are described by a formalism of inference maps in Hilbert space, the resulting O restricted states ξO calculated from the agreement with ...
openaire   +1 more source

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