Results 61 to 70 of about 10,809,308 (293)

RE-IGNITION OF MULTI-SPECIES SOOT CLOUDS IN BUILDING FIRES [PDF]

open access: yes, 2007
The re-ignition potential of multi-species soot clouds in building fires were investigated based on their extinction characteristics. The investigation was carried out theoretically using an adaptation of Semenov’s thermal explosion theory.
Moghtaderi, B., Poespowati, T.
core   +1 more source

Calculation of the Global and Local Conceptual DFT Indices for the Prediction of the Chemical Reactivity Properties of Papuamides A–F Marine Drugs

open access: yesMolecules, 2019
A well-behaved model chemistry previously validated for the study of the chemical reactivity of peptides was considered for the calculation of the molecular properties and structures of the Papuamide family of marine peptides.
Norma Flores-Holguín   +2 more
doaj   +1 more source

The Shewanella oneidensis Fic enzyme SoFic targets the switch‐I region of EF‐Tu for AMPylation

open access: yesFEBS Letters, EarlyView.
Fic enzymes mediate diverse post‐translational modifications across all domains of life, including AMPylation. Prokaryotic EF‐Tu can be AMPylated and deAMPylated by the conserved Fic enzyme SoFic. Structural and biochemical approaches were used to characterize the effect of AMPylation on EF‐Tu, SoFic's enzymatic activities, and the enzyme‐target ...
Svenja Runge   +6 more
wiley   +1 more source

Relationships between milling input energy and chemical reactivity for mechanochemical activation of clays [PDF]

open access: yes
Mechano-chemical activation is of rapidly growing interest for producing cementitious constituents from clays. The chemical reactivity of clay minerals is enhanced during intensive grinding, due to mechano-chemical dehydroxylation and mechanically ...
Ke, Xinyuan   +4 more
core   +1 more source

Topological invariants for the line graphs of some classes of graphs

open access: yesOpen Chemistry, 2019
Graph theory plays important roles in the fields of electronic and electrical engineering. For example, it is critical in signal processing, networking, communication theory, and many other important topics.
Zhou Xiaoqing   +5 more
doaj   +1 more source

Reactivity indicators for degenerate states in the density-functional theoretic chemical reactivity theory

open access: yesThe Journal of Chemical Physics, 2011
Density-functional-theory-based chemical reactivity indicators are formulated for degenerate and near-degenerate ground states. For degenerate states, the functional derivatives of the energy with respect to the external potential do not exist, and must be replaced by the weaker concept of functional variation.
Cardenas, Carlos   +2 more
openaire   +4 more sources

Metastatic niche shaped by host factors influences disseminated cancer cell fate

open access: yesFEBS Letters, EarlyView.
Metastasis is shaped not only by cancer cells but also by the environments they encounter. This review explores how factors such as aging, diet, the microbiome, lifestyle, and environmental exposures remodel organ‐specific niches in the lung, liver, bone, and brain, influencing where metastatic cells survive, remain dormant, or grow, and ultimately ...
Gwennan Delyth Ward   +2 more
wiley   +1 more source

Prediction of monomer reactivity in radical copolymerizations from transition state quantum chemical descriptors

open access: yesPolímeros, 2013
In comparison with the Q-e scheme, the Revised Patterns Scheme: the U, V Version (the U-V scheme) has greatly improved both its accessibility and its accuracy in interpreting and predicting the reactivity of a monomer in free-radical copolymerizations ...
Zhengde Tan   +3 more
doaj   +1 more source

Tumour–host interactions in Drosophila: mechanisms in the tumour micro‐ and macroenvironment

open access: yesMolecular Oncology, EarlyView.
This review examines how tumour–host crosstalk takes place at multiple levels of biological organisation, from local cell competition and immune crosstalk to organism‐wide metabolic and physiological collapse. Here, we integrate findings from Drosophila melanogaster studies that reveal conserved mechanisms through which tumours hijack host systems to ...
José Teles‐Reis, Tor Erik Rusten
wiley   +1 more source

Theoretical and computational chemistry aspects Chemical sciences in the focus ;, v. 3./ edited by Ponnadurai Ramasami.

open access: yes, 2021
Based on "The Virtual Conference on Chemistry and its Applications (VCCA-2020) - Research and Innovations in Chemical Sciences: Paving the Way Forward" held in August 2020 and organized by the Computational Chemistry Group of the University of Mauritius.
Ramasami Ponnadurai
core  

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