Results 61 to 70 of about 7,641,165 (285)

Queueing theory model of pentose phosphate pathway

open access: yesScientific Reports, 2022
Due to its role in maintaining the proper functioning of the cell, the pentose phosphate pathway (PPP) is one of the most important metabolic pathways.
Sylwester M. Kloska   +7 more
doaj   +1 more source

Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM

open access: yesFEBS Letters, EarlyView.
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley   +1 more source

On relationships among Chern-Simons theory, BF theory and matrix model

open access: yes, 2008
Chern-Simons theory on a U(1) bundle over a Riemann surface \Sigma_g of genus g is dimensionally reduced to BF theory with a mass term, which is equivalent to the two-dimensional Yang-Mills on \Sigma_g.
Ishii, Takaaki   +4 more
core   +1 more source

String Field Theory from IIB Matrix Model [PDF]

open access: yes, 1997
We derive Schwinger-Dyson equations for the Wilson loops of a type IIB matrix model. Superstring coordinates are introduced through the construction of the loop space.
Fukuma, M.   +3 more
core   +2 more sources

Mapping the evolution of mitochondrial complex I through structural variation

open access: yesFEBS Letters, EarlyView.
Respiratory complex I (CI) is crucial for bioenergetic metabolism in many prokaryotes and eukaryotes. It is composed of a conserved set of core subunits and additional accessory subunits that vary depending on the organism. Here, we categorize CI subunits from available structures to map the evolution of CI across eukaryotes. Respiratory complex I (CI)
Dong‐Woo Shin   +2 more
wiley   +1 more source

A Process Model of Integral Theory [PDF]

open access: yesIntegral Review, 2006
In this article I introduce a Process Model of integral theory, combining Dzogchen ideas and Western works on process philosophy. I make a distinction between Wilber’s notion of perspective and the Dzogchen notion of view.
Bonnitta Roy
doaj   +1 more source

The Jackiw-Pi model: classical theory

open access: yes, 2013
The massive even-parity non-Abelian gauge model in three space-time dimensions proposed by Jackiw and Pi is studied at the tree-level. The propagators are computed and the spectrum consistency is analyzed, besides, the symmetries of the model are ...
Del Cima, O. M.
core   +1 more source

Enteropathogenic E. coli shows delayed attachment and host response in human jejunum organoid‐derived monolayers compared to HeLa cells

open access: yesFEBS Letters, EarlyView.
Enteropathogenic E. coli (EPEC) infects the human intestinal epithelium, resulting in severe illness and diarrhoea. In this study, we compared the infection of cancer‐derived cell lines with human organoid‐derived models of the small intestine. We observed a delayed in attachment, inflammation and cell death on primary cells, indicating that host ...
Mastura Neyazi   +5 more
wiley   +1 more source

Field Theory as a Matrix Model

open access: yes, 2000
A new formulation of four dimensional quantum field theories, such as scalar field theory, is proposed as a large N limit of a special NxN matrix model.
Ambjorn   +16 more
core   +2 more sources

Super Yang-Mills Theory from a Supermatrix Model [PDF]

open access: yes, 2005
It is known that Yang-Mills theories on non-commutative space can be derived from large-N reduced models. Gauge fields in non-commutative Yang-Mills theories can be described as fluctuations of matrices expanded about an appropriate classical solution of
Alekseev   +27 more
core   +4 more sources

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