Results 51 to 60 of about 8,008,426 (300)

Distance spectra and distance energy of integral circulant graphs

open access: yesLinear Algebra and its Applications, 2010
11 pages, 1 ...
openaire   +2 more sources

Projected Benefits of Federal Energy Efficiency and Renewable Energy Programs: FY 2005 Budget Request

open access: yes, 2004
The Office of Energy Efficiency and Renewable Energy (EERE) of the U.S. Department of Energy (DOE) leads the Federal Government's efforts to provide reliable, affordable, and environmentally sound energy for America, through its 11 research, development,
Laboratory, National Renewable Energy
core   +1 more source

Serum Myonectin Levels Are Positively Associated With Physical Function and Lower Frailty‐Related Limitation in Maintenance Hemodialysis Patients: A Cross‐Sectional Study

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Maintenance hemodialysis (MHD) patients frequently suffer from frailty, characterized by reduced physical function and poor prognosis. Myokines, such as myonectin, secreted by muscle, are emerging regulators of systemic health. This study investigated the relationship between serum myonectin, adipokines (adiponectin, omentin), and ...
Kenichi Kono   +7 more
wiley   +1 more source

Bounds on the α-Distance Energy and α-Distance Estrada Index of Graphs

open access: yesDiscrete Dynamics in Nature and Society, 2020
Let G be a simple undirected connected graph, then DαG=αTrG+1−αDG is called the α-distance matrix of G, where α∈0,1, DG is the distance matrix of G, and TrG is the vertex transmission diagonal matrix of G.
Yang Yang, Lizhu Sun, Changjiang Bu
doaj   +1 more source

On Distance Spectral Radius and Distance Energy of Graphs

open access: yes, 2011
For a connected graph, the distance spectral radius is the largest eigenvalue of its distance matrix, and the distance energy is defined as the sum of the absolute values of the eigenvalues of its distance matrix. We establish lower and upper bounds for the distance spectral radius of graphs and bipartite graphs, lower bounds for the distance energy of
Zhou, Bo, Ilic, Aleksandar
openaire   +2 more sources

Biophysical approaches for studying viral entry

open access: yesFEBS Letters, EarlyView.
Viruses infect all living organisms and have been responsible for major epidemics and pandemics. Their ongoing evolutionary battle with host defenses creates a constant need for improved tools to study viral behavior. Advancing methods to probe viral attachment, fusion, and genome release deepen our understanding of how infections begin and support the
Inbar Yosibash, Raya Sorkin
wiley   +1 more source

A Hidden Mark of a Troubled Past: Neuroimaging and Transcriptomic Analyses Reveal Interactive Effects of Maternal Immune Activation and Adolescent THC Exposure Suggestive of Increased Neuropsychiatric Risk

open access: yesBiological Psychiatry Global Open Science
Background: Maternal exposure to infections during gestation has been shown to predispose individuals to neuropsychiatric disorders. Additionally, clinical data suggest that cannabis use may trigger the onset of schizophrenia in vulnerable individuals ...
Mario Moreno-Fernández   +10 more
doaj   +1 more source

Transactional distance and student satisfaction in a postgraduate distance learning program [PDF]

open access: yes, 2020
The present study examines the three dimensions of the transactional distance theory of Moore and their correlation with student satisfaction, through a quantitative survey with data collected from 115 postgraduate students of the Hellenic Open ...
Gavrilis, Vagelis   +5 more
core   +1 more source

From mice to humans—divergent strategies for intestinal homeostasis and regeneration

open access: yesFEBS Letters, EarlyView.
Recent advances such as organoid genome editing, xenotransplantation, imaging, and whole‐genome sequencing have enabled direct studies of human intestinal stem cells (ISCs). These studies reveal species‐specific features, including slower ISC proliferation, distinct injury responses, slower somatic mutation accumulation in humans, and an inverse ...
Keiko Ishikawa   +2 more
wiley   +1 more source

Energy technologies for hybrid renewable energy systems: a study of spatially viable sites for hybrid power plants in Spain

open access: yesFrontiers in Energy Research
The integration of renewable energy sources is essential for sustainable electricity generation, but the variability of solar, wind, and other renewable sources can compromise grid stability.
Marian Catalán Navarro   +6 more
doaj   +1 more source

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