Results 31 to 40 of about 13,510,761 (277)

4‐nitrobenzoate inhibits 4‐hydroxybenzoate polyprenyltransferase in malaria parasites and enhances atovaquone efficacy

open access: yesFEBS Letters, EarlyView.
Atovaquone is an antimalarial requiring potentiation for sufficient efficacy. We pursued strategies to enhance its activity, showing that 4‐nitrobenzoate inhibits 4‐hydroxybenzoate polyprenyltransferase, decreasing ubiquinone biosynthesis. Since atovaquone competes with ubiquinol in mitochondria, 4‐nitrobenzoate facilitates its action, potentiating ...
Ignasi Bofill Verdaguer   +7 more
wiley   +1 more source

Quantum Statistical Manifolds

open access: yes, 2018
Quantum information geometry studies families of quantum states by means of differential geometry. A new approach is followed with the intention to facilitate the introduction of a more general theory in subsequent work.
Naudts, Jan
core   +1 more source

CCT4 promotes tunneling nanotube formation

open access: yesFEBS Letters, EarlyView.
Tunneling nanotubes (TNTs) are membranous tunnel‐like structures that transport molecules and organelles between cells. They vary in thickness, and thick nanotubes often contain microtubules in addition to actin fibers. We found that cells expressing monomeric CCT4 generate many thick TNTs with tubulin.
Miyu Enomoto   +3 more
wiley   +1 more source

Principles and Applications of the Synchronous Network of Remote Telescopes

open access: yesOpen Astronomy, 2003
A new approach for the search of microvariability and high-speed phenomena in variable stars is presented. It gives a new technology of observation and analysis of the data.
Zhilyaev B. E.   +3 more
doaj   +1 more source

Human-animal interaction and One Health: establishment and validation of the Brazilian version of the Animal Empathy Scale [PDF]

open access: yesEinstein (São Paulo)
Objective: To design and validate a Brazilian version of the Animal Empathy Scale, based on the existing Portuguese version. Methods: Content validity assessment was performed by expert judges, and the adapted scale was administered to a sample of 386 ...
Roberta Maria Savieto   +9 more
doaj   +1 more source

Estimation of Uplift Pressure Equation at Key Points under Floor of Hydraulic Structures

open access: yesCogent Engineering, 2021
Most of the hydraulic structures rest on an impervious foundation to reserve water at the upstream side. The water heads difference leads to water movement from the higher to the lower head through the porous soil layer beneath the foundation, generating
Mohammed Hamid Rasool   +3 more
doaj   +1 more source

Statistical properties and statistical interaction for particles with spin: Hubbard model in one dimension and statistical spin liquid

open access: yes, 1994
We derive the statistical distribution functions for the Hubbard chain with infinite Coulomb repulsion among particles and for the statistical spin liquid with an arbitrary magnitude of the local interaction in momentum space.
D.V. Khveshchenko   +23 more
core   +1 more source

Photosynthesis under far‐red light—evolutionary adaptations and bioengineering of light‐harvesting complexes

open access: yesFEBS Letters, EarlyView.
Phototrophs evolved light‐harvesting systems adapted for efficient photon capture in habitats enriched in far‐red radiation. A subset of eukaryotic pigment‐binding proteins can absorb far‐red photons via low‐energy chlorophyll states known as red forms.
Antonello Amelii   +8 more
wiley   +1 more source

Deep learning applications for stellar parameter determination: II-application to the observed spectra of AFGK stars

open access: yesOpen Astronomy, 2023
In this follow-up article, we investigate the use of convolutional neural network for deriving stellar parameters from observed spectra. Using hyperparameters determined previously, we have constructed a Neural Network architecture suitable for the ...
Gebran Marwan   +4 more
doaj   +1 more source

Statistical quantum operation

open access: yes, 2009
A generic unital positive operator-valued measure (POVM), which transforms a given stationary pure state to an arbitrary statistical state with perfect decoherence, is presented.
Davies E. B.   +3 more
core   +1 more source

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