Results 81 to 90 of about 2,843,874 (385)

Quantum Tomography [PDF]

open access: yes, 2003
This is the draft version of a review paper which is going to appear in "Advances in Imaging and Electron Physics"Comment: To appear in "Advances in Imaging and Electron Physics".
D'Ariano, G. Mauro   +2 more
core   +1 more source

The Power of Low Frequencies: Faraday Tomography in the sub-GHz regime

open access: yes, 2018
Faraday tomography, the study of the distribution of extended polarized emission by strength of Faraday rotation, is a powerful tool for studying magnetic fields in the interstellar medium of our Galaxy and nearby galaxies.
Van Eck, Cameron L.
core   +1 more source

X-Ray Microcomputed Tomography in Additive Manufacturing: A Review of the Current Technology and Applications

open access: yes3D Printing and Additive Manufacturing, 2018
X-ray microcomputed tomography (microCT) has become an established method of testing and analyzing additively manufactured parts in recent years, being especially useful and accurate for d...
A. Plessis   +3 more
semanticscholar   +1 more source

The apo LETM1 F‐EF‐hand adopts a closed conformation that underlies a multi‐modal sensory role in mitochondria

open access: yesFEBS Letters, EarlyView.
We present the first solution structure of the Ca2+‐depleted LETM1 F‐EF‐hand through a D676A/N678A Ca2+ binding‐deficient mutant, revealing a closed hydrophobic cleft caused by a unique F1‐helix pivot. The apo LETM1 F‐EF‐hand exhibits regiospecific hot and cold unfolding, sensitivity to physiological pH changes and potential for promiscuous heterotypic
Qi‐Tong Lin   +2 more
wiley   +1 more source

Distinct dysregulated pathways in sporadic and Lynch syndrome‐associated colorectal cancer offer insights for targeted treatment

open access: yesFEBS Letters, EarlyView.
This study explores the distinct molecular mechanisms underlying Lynch syndrome‐associated and sporadic colorectal cancer (CRC). By highlighting the therapeutic potential of targeting the PI3K‐Akt pathway in Lynch syndrome‐associated CRC and the Wnt pathway in sporadic CRC, the findings open avenues for personalised treatment strategies, aiming to ...
May J. Krause   +2 more
wiley   +1 more source

Imaging polar and dipolar sources of geophysical anomalies by probability tomography. Part I: theory and synthetic examples [PDF]

open access: yesProgress In Electromagnetics Research, vol. 87, 63-88, 2008, 2006
We develop the theory of a generalized probability tomography method to image source poles and dipoles of a geophysical vector or scalar field dataset. The purpose of the new generalized method is to improve the resolution power of buried geophysical targets, using probability as a suitable paradigm allowing all possible equivalent solution to be ...
arxiv   +1 more source

Fast and flexible X-ray tomography using the ASTRA toolbox.

open access: yesOptics Express, 2016
Object reconstruction from a series of projection images, such as in computed tomography (CT), is a popular tool in many different application fields.
Wim van Aarle   +8 more
semanticscholar   +1 more source

Neutrino tomography of the earth [PDF]

open access: yesProceedings of Neutrino Oscillation Workshop — PoS(NOW2018), 2018
Cosmic-ray interactions with the nuclei of the Earth's atmosphere produce a flux of neutrinos in all directions with energies extending above the TeV scale. However, the Earth is not a fully transparent medium for neutrinos with energies above a few TeV.
Andrea Donini   +3 more
openaire   +5 more sources

Taurine promotes glucagon‐like peptide‐1 secretion in enteroendocrine L cells

open access: yesFEBS Letters, EarlyView.
Taurine, a sulfur‐containing amino acid, is likely taken up by enteroendocrine L cells via the taurine transporter. This process increases the levels of cytosolic ATP. The increase in intracellular Ca2+ concentrations and glucagon‐like peptide‐1 secretion through membrane depolarization is caused by the closure of ATP‐sensitive potassium channels ...
Yuri Osuga   +6 more
wiley   +1 more source

A previously unknown way of heme detoxification in the digestive tract of cats

open access: yesScientific Reports, 2021
Free heme is a highly toxic molecule for a living organism and its detoxification is a very important process, especially for carnivorous animals. Here we report the discovery of a previously unknown process for neutralizing free heme in the digestive ...
Alexandr B. Duzhak   +6 more
doaj   +1 more source

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