Results 71 to 80 of about 6,149,007 (323)
Depletion of energy from naked singular regions during gravitational collapse [PDF]
Physical Review D, 2011 A distinguishable and observable physical property of Naked Singular Regions of the spacetime formed during a gravitational collapse has important implications for both experimental and theoretical relativity. We examine here whether energy can escape physically from naked singular regions to reach either a local or a distant observer within the ...
Jhingan, S., Dwivedi, I. H., Barve, S.
openaire +2 more sources
The role of histone modifications in transcription regulation upon DNA damage
FEBS Letters, EarlyView.This review discusses the critical role of histone modifications in regulating gene expression during the DNA damage response (DDR). By modulating chromatin structure and recruiting repair factors, these post‐translational modifications fine‐tune transcriptional programmes to maintain genomic stability.
Angelina Job Kolady, Siyao Wang
wiley +1 more source
Polarization-balanced design of AlN/GaN heterostructures: Application to double-barrier structures
, 2011 Inversion- and depletion-regions generally form at the interfaces between doped leads (cladding layers) and the active region of polar heterostructures like AlN/GaN and other nitride compounds.
Andersson, Thorvald G +2 more
core +1 more source
Impact of spatial separation of type‐II GaSb quantum dots from the depletion region on the conversion efficiency limit of GaAs solar cells [PDF]
, 2013 The purpose of this work is to look for a practical structure for application of quantum dots (QDs) in solar cells. We focus on a stack of strain‐compensated GaSb/GaAs type‐II QDs.
A. Kechiantz, A. Afanasev, J. Lazzari
semanticscholar +1 more source
The newfound relationship between extrachromosomal DNAs and excised signal circles
FEBS Letters, EarlyView.Extrachromosomal DNAs (ecDNAs) contribute to the progression of many human cancers. In addition, circular DNA by‐products of V(D)J recombination, excised signal circles (ESCs), have roles in cancer progression but have largely been overlooked. In this Review, we explore the roles of ecDNAs and ESCs in cancer development, and highlight why these ...
Dylan Casey, Zeqian Gao, Joan Boyes
wiley +1 more source
Simulation of high energy tail of electron distribution function [PDF]
, 2004 This report presents Monte Carlo simulations of the electron energy distribution for alow ionized plasma interacting with the F-region neutral gas. The results show a depletion in theelectron distribution above 2 eV between 10 and 80 %, decreasing with ...
Aso, Takehiko +4 more
core +1 more source
Comparison of the device physics principles of planar and radial p-n junction nanorod solar cells [PDF]
, 2005 A device physics model has been developed for radial p-n junction nanorod solar cells, in which densely packed nanorods, each having a p-n junction in the radial direction, are oriented with the rod axis parallel to the incident light direction.
Atwater, Harry A. +2 more
core +1 more source
THE DEPLETION OF WATER DURING DISPERSAL OF PLANET-FORMING DISK REGIONS [PDF]
The Astrophysical Journal, 2017 ABSTRACT We present a new velocity-resolved survey of 2.9 μm spectra of hot H2O and OH gas emission from protoplanetary disks, obtained with the Cryogenic Infrared Echelle Spectrometer at the VLT (R ∼ 96,000). With the addition of archival Spitzer-IRS spectra, this is the most comprehensive spectral data set of water vapor emission from ...
A. Banzatti +5 more
openaire +4 more sources
Structural biology of ferritin nanocages
FEBS Letters, EarlyView.Ferritin is a conserved iron‐storage protein that sequesters iron as a ferric mineral core within a nanocage, protecting cells from oxidative damage and maintaining iron homeostasis. This review discusses ferritin biology, structure, and function, and highlights recent cryo‐EM studies revealing mechanisms of ferritinophagy, cellular iron uptake, and ...
Eloise Mastrangelo, Flavio Di Pisa
wiley +1 more source
Bloch oscillations of Bose-Einstein condensates: Quantum counterpart of dynamical instability
, 2009 We study the Bloch dynamics of a quasi one-dimensional Bose-Einstein condensate of cold atoms in a tilted optical lattice modeled by a Hamiltonian of Bose-Hubbard type: The corresponding mean-field system described by a discrete nonlinear Schr\"odinger ...
Andrey R. Kolovsky +4 more
core +1 more source