Results 81 to 90 of about 25,744,716 (381)

Experimental Design: Design Experimentation [PDF]

open access: yes, 2011
This paper was selected for publication in MIT’s Design Issues. The research takes an original approach by positioning experimentation as a comprehensive design methodology, rather than using the traditional industrial design approach of employing ...
Anthony J., Ashley Hall
core   +1 more source

Reciprocal control of viral infection and phosphoinositide dynamics

open access: yesFEBS Letters, EarlyView.
Phosphoinositides, although scarce, regulate key cellular processes, including membrane dynamics and signaling. Viruses exploit these lipids to support their entry, replication, assembly, and egress. The central role of phosphoinositides in infection highlights phosphoinositide metabolism as a promising antiviral target.
Marie Déborah Bancilhon, Bruno Mesmin
wiley   +1 more source

Study to compare teaching science in some elementary grades using programmed method or the traditional, with a study of the trends of the pupils towards the programmed teaching [PDF]

open access: yesJournal of Islamic Studies, 1977
This research was conducted in a school at Arab republic of Egypt, on a sample of 330 students at grade four and five. Three groups were assigned, two of them from grade four, one of them was experimental and the other was control group.
Mohammed Reda ElBogdady
doaj  

An intracellular transporter mitigates the CO2‐induced decline in iron content in Arabidopsis shoots

open access: yesFEBS Letters, EarlyView.
This study identifies a gene encoding a transmembrane protein, MIC, which contributes to the reduction of shoot Fe content observed in plants under elevated CO2. MIC is a putative Fe transporter localized to the Golgi and endosomal compartments. Its post‐translational regulation in roots may represent a potential target for improving plant nutrition ...
Timothy Mozzanino   +7 more
wiley   +1 more source

Using digital discussion through commenting blog to improve students’ ability in writing analytical exposition text

open access: yesELT Forum: Journal of English Language Teaching, 2013
he aim of the study is to find out whether using video-typed nursery rhymes can enhance speaking ability of young learners of grade four of Elementary School.
Widya Arum Wicaksani
doaj   +1 more source

By dawn or dusk—how circadian timing rewrites bacterial infection outcomes

open access: yesFEBS Letters, EarlyView.
The circadian clock shapes immune function, yet its influence on infection outcomes is only beginning to be understood. This review highlights how circadian timing alters host responses to the bacterial pathogens Salmonella enterica, Listeria monocytogenes, and Streptococcus pneumoniae revealing that the effectiveness of immune defense depends not only
Devons Mo   +2 more
wiley   +1 more source

Tracéologie du bois d’époque médiévale

open access: yesRevue Archéologique du Centre de la France, 2019
Understanding tool markings (traceology) on wood enables an analysis of the technical gestures of woodcutters and carpenters, which in turn allows for the identification of the physical movements made by the craftspeople during the manufacturing process.
Manuel Porcheron
doaj  

Hematopoietic (stem) cells—The elixir of life?

open access: yesFEBS Letters, EarlyView.
The aging of HSCs (hematopoietic stem cells) and the blood system leads to the decline of other organs. Rejuvenating aged HSCs improves the function of the blood system, slowing the aging of the heart, kidney, brain, and liver, and the occurrence of age‐related diseases.
Emilie L. Cerezo   +4 more
wiley   +1 more source

Experimental Outlook for the Pentaquark

open access: yes, 2004
A critical look is taken at both positive and null evidence for the $\Theta^+$ pentaquark. Potential problems with experiments will be discussed and the question of what conclusion can be drawn from both the positive and the null results is examined ...
Airapetian A.   +10 more
core   +1 more source

Phosphatidylinositol 4‐kinase as a target of pathogens—friend or foe?

open access: yesFEBS Letters, EarlyView.
This graphical summary illustrates the roles of phosphatidylinositol 4‐kinases (PI4Ks). PI4Ks regulate key cellular processes and can be hijacked by pathogens, such as viruses, bacteria and parasites, to support their intracellular replication. Their dual role as essential host enzymes and pathogen cofactors makes them promising drug targets.
Ana C. Mendes   +3 more
wiley   +1 more source

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