Results 61 to 70 of about 3,830,075 (379)
Local-field effects in silicon nanoclusters [PDF]
, 2011 The effect of the local fields on the absorption spectra of silicon nanoclusters (NCs), freestanding or embedded in SiO2, is investigated in the DFT-RPA framework for different size and amorphization of the samples.
A. L. Fetter +4 more
core +2 more sources
Time after time – circadian clocks through the lens of oscillator theory
FEBS 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
Oxygen K-edge X-ray Absorption Spectra
Chemical Reviews, 2020 We review oxygen K-edge X-ray absorption spectra of both molecules and solids. We start with an overview of the main experimental aspects of oxygen K-edge X-ray absorption measurements including X-ray sources, monochromators, and detection schemes.
F. Frati, M. Hunault, F. D. de Groot
semanticscholar +1 more source
Synopsis of Mid-latitude Radio Wave Absorption in Europe [PDF]
, 1984 Radio wave absorption data covering almost two years from Europe to Central Asia are presented. They are normalized by relating them to a reference absorption. Every day these normalized data are fitted to a mathematical function of geographical location
Friedrich, M., Torkar, K. M.
core +1 more source
FEBS Letters, EarlyView.This study reveals how the mitochondrial protein Slm35 is regulated in Saccharomyces cerevisiae. The authors identify stress‐responsive DNA elements and two upstream open reading frames (uORFs) in the 5′ untranslated region of SLM35. One uORF restricts translation, and its mutation increases Slm35 protein levels and mitophagy.
Hernán Romo‐Casanueva +5 more
wiley +1 more source
Ibuprofen Loaded Electrospun Polymeric Nanofibers: A Strategy to Improve Oral Absorption
Acta Chimica Slovenica, 2022 The poor aqueous solubility of candidate drugs has presented a great challenge to formulation scientists for their effective oral delivery. Poor solubility is often associated with poor dissolution behavior and, subsequently, poor bioavailability for ...
Dibya Sundar Panda +3 more
doaj +1 more source
The Quantum Absorption Refrigerator
, 2011 A quantum absorption refrigerator driven by noise is studied with the purpose of determining the limitations of cooling to absolute zero. The model consists of a working medium coupled simultaneously to hot, cold and noise baths. Explicit expressions for
Kosloff, Ronnie, Levy, Amikam
core +1 more source
The Unusual Spitzer Spectrum of the Carbon Star IRAS 04496–6958: A Different Condensation Sequence in the LMC? [PDF]
, 2006 We present a new Spitzer Infrared Spectrograph (IRS) spectrum of the carbon star IRAS 04496-6958 in the Large Magellanic Cloud, which exhibits a fairly broad absorption feature at ~11 μm.
Cami, Jan +8 more
core +1 more source
Journal of Functional Analysis, 1993 Let \(A\) be an \(m\)-completely accretive operator in \(L^ 1(\Omega)\), where \((\Omega,{\mathcal B},\mu)\) is a \(\sigma\)-finite measure space. Let \(j: \Omega\times\mathbb{R}\to [0,\infty]\) be measurable in \(x\in\Omega\), convex and lower semicontinuous in \(r\in\mathbb{R}\), with \(j(x,0)=0\).
Benilan, P., Wittbold, P.
openaire +2 more sources
FEBS 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