Results 81 to 90 of about 350,281 (302)

Children’s Perceptions of Cohesion [PDF]

open access: yes, 2011
The general purpose of the two studies reported here was to examine perceptions of team cohesiveness in children aged 9 to 12 years. In Study 1, focus groups were used to examine individual perceptions of cohesion from the perspective of group ...
Carron, Albert V.   +3 more
core   +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

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

An Experience of Secular Metaphysic - Part I: Descartes [PDF]

open access: yesВестник Свято-Филаретовского института, 2014
The phenomenon of “secular metaphysics” is considered as special entertainment of reason seeking perfect clarity. It is demonstrated, that an attempt to reach the clarity by means of ideal constructing results in the creation of total systems.
Grigory Goutner
doaj  

The Jurisprudential Rule: "What is Permitted Due to an Excuse is Nullified Upon Its Removal." An Analytical-Applied Study [PDF]

open access: yesمجلة جامعة الأنبار للعلوم الإسلامية
This research delves into the study and analysis a rule of Islamic jurisprudence : "What is Permitted Due to an Excuse is Nullified Upon Its Removal."  This rule is considered one of the most significant rules in Islamic jurisprudence, as it ...
Fatima Zohra Maamar Bettayeb -   +1 more
doaj   +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

Wealth, economic infrastructure, and monetary policy [PDF]

open access: yes
An argument that it's not the specific "growth" programs that governments enact which determine a nation's prosperity, but the totality of the state's attitude toward the accumulation of private wealth, including the central bank's management of money ...
Jerry L. Jordan
core  

Modeling D-Region Ionospheric Response of the Great American TSE of August 21, 2017 from VLF signal perturbation

open access: yes, 2018
Solar eclipse is an unique opportunity to study the lower ionospheric variabilities under a controlled perturbation when the solar ultraviolet and X-ray are temporally occulted by the lunar disk.
Basak, Tamal   +4 more
core   +1 more source

Organoids in pediatric cancer research

open access: yesFEBS Letters, EarlyView.
Organoid technology has revolutionized cancer research, yet its application in pediatric oncology remains limited. Recent advances have enabled the development of pediatric tumor organoids, offering new insights into disease biology, treatment response, and interactions with the tumor microenvironment.
Carla Ríos Arceo, Jarno Drost
wiley   +1 more source

Totality of semiosphere

open access: yesSign Systems Studies, 1998
Review: Jesper Hoffmeyer, Signs of Meaning in the ...
Sergey V. Chebanov
doaj   +1 more source

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