Results 21 to 30 of about 342,443 (227)

DFT Study of Planar Boron Sheets: A New Template for Hydrogen Storage [PDF]

, 2009
We study the hydrogen storage properties of planar boron sheets and compare them to those of graphene. The binding of molecular hydrogen to the boron sheet (0.05 eV) is stronger than that to graphene. We find that dispersion of alkali metal (AM = Li, Na,
Ataca C., Baruah T., Bhatia S. K., Blomqvist A., Blöchl P. E., Blöchl P. E., Chandrakumar K. R. S., Chen P., Coontz R., Deng W. Q., Ding Y., Durgun E., Er S., Er S., Geim A., Gremaud R., Han S. S., Heine T., Henkelman G., Henkelman G., Henwood D., Klontzas E., Kresse G., Kresse G., Kresse G., Lau K. C., Lau K. C., Lau K. C., Lee E., Liu C., Lochan R. C., Mavrandonakis A., Monkhorst H. J., Muetterties E. L., Novoselov K. S., Park N., Perdew J. P., Prasad D. L., Schlapbach L., Sheppard D., Singh A. K., Sun Q., Sun Q., Tang H., Tang W., van Setten M. J., van Setten M. J., Yan Q. B., Yang R., Yang X., Yildirim T.   +50 more
core   +3 more sources

Boron concentration profiling by high angle annular dark field-scanning transmission electron microscopy in homoepitaxial delta-doped diamond layers [PDF]

, 2013
To develop further diamond related devices, the concentration and spatial location of dopants should be controlled down to the nanometer scale. Scanning transmission electron microscopy using the high angle annular dark field mode is shown to be ...
Alegre Salguero, María de la Paz, Araújo Gay, Daniel, Bustarret, Etienne, Fiori, Alexandre, Jomard, F, Piñero Charlo, José Carlos   +5 more
core   +4 more sources

The unpredictably eruptive dynamics of spruce budworm populations in eastern Canada

Population Ecology, EarlyView.
We examine historical population data for spruce budworm from several locations through the period 1930–1997, and use density‐dependent recruitment curves to test whether the pattern of population growth over time is more consistent with Royama's (1984; Ecological Monographs 54:429–462) linear R(t) model of harmonic oscillation at Green River New ...
Barry J. Cooke, Jacques Régnière
wiley   +1 more source

Ubiquitination of transcription factors in cancer: unveiling therapeutic potential

Molecular Oncology, EarlyView.
In cancer, dysregulated ubiquitination of transcription factors contributes to the uncontrolled growth and survival characteristics of tumors. Tumor suppressors are degraded by aberrant ubiquitination, or oncogenic transcription factors gain stability through ubiquitination, thereby promoting tumorigenesis.
Dongha Kim, Hye Jin Nam, Sung Hee Baek
wiley   +1 more source

Issues on the molecular-beam epitaxial growth of p-SiGe inverted-modulation-doped structures [PDF]

, 1999
The influence of boron segregation and silicon cap-layer thickness on two-dimensional hole gases (2-DHGs) has been investigated in Si/Si0.8Ge0.2/Si inverted-modulation-doped heterostructures grown by solid-source molecular-beam epitaxy. Boron segregation,
Parker, Evan H. C., Parry, C. P., Phillips, P. J. (Peter J.), Sadeghzadeh, Mohammad Ali, Whall, Terry E.   +4 more
core   +1 more source

BMP antagonist CHRDL2 enhances the cancer stem‐cell phenotype and increases chemotherapy resistance in colorectal cancer

Molecular Oncology, EarlyView.
Overexpression of CHRDL2 in colon cancer cells makes them more stem‐like and resistant to chemo‐ and radiotherapy. CHRDL2‐high cells have upregulation of the WNT pathway, genes involved in the DNA damage response (DDR) pathway and epithelial‐to‐mesenchymal transition (EMT). This leads to quicker repair of damaged DNA and more cell migration.
Eloise Clarkson, Annabelle Lewis
wiley   +1 more source

Novel Precursors for Boron Nanotubes: The Competition of Two-Center and Three-Center Bonding in Boron Sheets

, 2007
We present a new class of boron sheets, composed of triangular and hexagonal motifs, that are more stable than structures considered to date and thus are likely to be the precursors of boron nanotubes. We describe a simple and clear picture of electronic
E. L. Muetterties, Hui Tang, K. C. Lau, P. J. Durrant, Sohrab Ismail-Beigi   +4 more
core   +1 more source

Unlearning and Deradicalizing From White Christian Nationalism: Implications for Adult Learning and Education

New Directions for Adult and Continuing Education, EarlyView.
ABSTRACT Since the January 2021 attack on the US Capitol, the influence of White Christian nationalism (WCN) has become even more pronounced and concerning. Adult educators and the public need a better understanding of whether and how WCN can be unlearned, and the roles ordinary citizens and adult educators can play in this process.
Esther Prins
wiley   +1 more source

Evaluating the use of diagnostic CT with flattening filter free beams for palliative radiotherapy: Dosimetric impact of scanner calibration variability

Journal of Applied Clinical Medical Physics, EarlyView.
Abstract Purpose Palliative radiotherapy comprises a significant portion of the radiation treatment workload. Volumetric‐modulated arc therapy (VMAT) improves dose conformity and, in conjunction with flattening filter free (FFF) delivery, can decrease treatment times, both of which are desirable in a population with a high probability of retreatment ...
Madeleine L. Van de Kleut, Lesley A. Buckley, Elsayed S. M. Ali   +2 more
wiley   +1 more source

Design and evaluation of three-phase fibrous composite structures [PDF]

, 1970
Study reveals composite combination evaluations for boron binder reinforcements for unidirectly reinforced boron/epoxy, glass binder reinforcements for unidirectionally reinforced boron/epoxy, and glass binder reinforcements for unidrectionally ...
Dow, N. F., Rosen, B. W.
core   +1 more source