Results 41 to 50 of about 800,251 (299)

Splitting probabilities as a test of reaction coordinate choice in single-molecule experiments

open access: yes, 2011
To explain the observed dynamics in equilibrium single-molecule measurements of biomolecules, the experimental observable is often chosen as a putative reaction coordinate along which kinetic behavior is presumed to be governed by diffusive dynamics ...
C. Schütte   +3 more
core   +1 more source

Time after time – circadian clocks through the lens of oscillator theory

open access: yesFEBS Letters, EarlyView.
Oscillator theory bridges physics and circadian biology. Damped oscillators require external drivers, while limit cycles emerge from delayed feedback and nonlinearities. Coupling enables tissue‐level coherence, and entrainment aligns internal clocks with environmental cues.
Marta del Olmo   +2 more
wiley   +1 more source

Multi-scale analysis of compressible fluctuations in the solar wind [PDF]

open access: yesAnnales Geophysicae, 2018
Compressible plasma turbulence is investigated in the fast solar wind at proton kinetic scales by the combined use of electron density and magnetic field measurements. Both the scale-dependent cross-correlation (CC) and the reduced magnetic helicity (
O. W. Roberts, Y. Narita, C.-P. Escoubet
doaj   +1 more source

Diurnal Dynamics of the Umov Kinetic Energy Density Vector in the Atmospheric Boundary Layer from Minisodar Measurements

open access: yesAtmosphere, 2021
The diurnal hourly dynamics of the kinetic energy flux density vector, called the Umov vector, and the mean and turbulent components of the kinetic energy are estimated from minisodar measurements of wind vector components and their variances in the ...
Alexander Potekaev   +2 more
doaj   +1 more source

Future constraints on halo thermodynamics from combined Sunyaev-Zel'dovich measurements

open access: yes, 2017
The improving sensitivity of measurements of the kinetic Sunyaev-Zel'dovich (SZ) effect opens a new window into the thermodynamic properties of the baryons in halos.
Battaglia, Nicholas   +3 more
core   +1 more source

Thermal annealing study of swift heavy-ion irradiated zirconia [PDF]

open access: yes, 2006
Sintered samples of monoclinic zirconia (alpha-ZrO2) have been irradiated at room temperature with 6.0-GeV Pb ions in the electronic slowing down regime.
Andrée Kahn-Harari   +7 more
core   +4 more sources

Structural instability impairs function of the UDP‐xylose synthase 1 Ile181Asn variant associated with short‐stature genetic syndrome in humans

open access: yesFEBS Letters, EarlyView.
The Ile181Asn variant of human UDP‐xylose synthase (hUXS1), associated with a short‐stature genetic syndrome, has previously been reported as inactive. Our findings demonstrate that Ile181Asn‐hUXS1 retains catalytic activity similar to the wild‐type but exhibits reduced stability, a looser oligomeric state, and an increased tendency to precipitate ...
Tuo Li   +2 more
wiley   +1 more source

Kinetic Measurements of Cl Atom Reactions with C5–C8 Unsaturated Alcohols

open access: yesAtmosphere, 2020
The reactions of five structurally similar unsaturated alcohols, i.e., (Z)-2-penten-1-ol, (E)-2-hexen-1-ol, (E)-3-hexen-1-ol, (Z)-3-hexen-1-ol, and 1-octen-3-ol, with Cl atoms in the gas phase, were investigated at 296 ± 2 K and 1 atm by the ...
Asma Grira   +9 more
doaj   +1 more source

Experimental Investigation of the Adsorption and Desorption Kinetics on an Open-Structured Asymmetric Plate Heat Exchanger; Matching Between Small-Scale and Full-Scale Results

open access: yesFrontiers in Energy Research, 2022
This paper introduces the results of an experimental study on the adsorption and desorption kinetics of a commercially available, open-structured asymmetric plate heat exchanger adapted to act as an adsorber/desorber for the application in adsorption ...
Makram Mikhaeil   +3 more
doaj   +1 more source

PAMELA results on the cosmic-ray antiproton flux from 60 MeV to 180 GeV in kinetic energy

open access: yes, 2010
The satellite-borne experiment PAMELA has been used to make a new measurement of the cosmic-ray antiproton flux and the antiproton-to-proton flux ratio which extends previously published measurements down to 60 MeV and up to 180 GeV in kinetic energy ...
Adriani, O   +64 more
core   +1 more source

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