Results 61 to 70 of about 4,289,395 (298)
Preliminary Research on Dual-Energy X-Ray Phase-Contrast Imaging
, 2015 Dual-energy X-ray absorptiometry (DEXA) has been widely applied to measure bone mineral density (BMD) and soft-tissue composition of human body. However, the use of DEXA is greatly limited for low-Z materials such as soft tissues due to their weak ...
Gao, Kun +7 more
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
Scientific AfricanThis study develops a methodological approach to achieve energy self-sufficiency in various geographical contexts, using the province of Taza, located in northeastern Morocco, as a representative case study.
Badr El Kihel +2 more
doaj +1 more source
Earth and Space Science, 2022 Random‐noise‐induced biases are inherent issues to the accurate derivation of second‐order statistical parameters (e.g., variances, fluxes, energy densities, and power spectra) from lidar and radar measurements.
Jackson Jandreau, Xinzhao Chu
doaj +1 more source
Nihon Kikai Gakkai ronbunshu, 2022 The purpose of this study is to propose a method for deriving a structure that uniquely determines the elastic energy stored in the linear spring used in Mechanical Gravity Canceller (MGC) considering the value of the gravitational potential to be ...
Fuya IKEDA, Yutaka FUKADA, Toshio MORITA
doaj +1 more source
A method for optimizing potential-energy functions by a hierarchical design of the potential-energy landscape: Application to the UNRES force field [PDF]
Proceedings of the National Academy of Sciences, 2002 A method for optimizing potential-energy functions of proteins is proposed. The method assumes a hierarchical structure of the energy landscape, which means that the energy decreases as the number of native-like elements in a structure increases, being lowest for structures from the native family and highest for structures with no native ...
Adam, Liwo +5 more
openaire +2 more sources
In situ molecular organization and heterogeneity of the Legionella Dot/Icm T4SS
FEBS Letters, EarlyView.We present a nearly complete in situ model of the Legionella Dot/Icm type IV secretion system, revealing its central secretion channel and identifying new components. Using cryo‐electron tomography with AI‐based modeling, our work highlights the structure, variability, and mechanism of this complex nanomachine, advancing understanding of bacterial ...
Przemysław Dutka +11 more
wiley +1 more source
Parametrizations of the Dark Energy Density and Scalar Potentials
, 2007 We develop a theoretical method of constructing the scalar (quintessence or phantom) potential directly from the dimensionless dark energy function X(z), the dark energy density in units of its present value.
NOBUYOSHI OHTA +4 more
core +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
Quantum Monte Carlo for minimum energy structures
, 2010 We present an efficient method to find minimum energy structures using energy estimates from accurate quantum Monte Carlo calculations. This method involves a stochastic process formed from the stochastic energy estimates from Monte Carlo that can be ...
Jeffrey C. Grossman +2 more
core +1 more source