Results 41 to 50 of about 3,473,869 (204)

Gli agenti britannici al servizio dei «Granturisti» a Roma. Una lucrosa attività nel XVIII secolo

open access: yesArcHistoR Architettura Storia Restauro: Architecture History Restoration, 2015
Nel XVIII secolo la Roma degli artisti era intrinseca a quella di una cosmopolita popolazione di visitatori europei impegnati nel loro Grand Tour.
Janine Barrier
doaj   +1 more source

ResnetAge: A Resnet-Based DNA Methylation Age Prediction Method

open access: yesBioengineering, 2023
Aging is a significant contributing factor to degenerative diseases such as cancer. The extent of DNA methylation in human cells indicates the aging process and screening for age-related methylation sites can be used to construct epigenetic clocks ...
Lijuan Shi   +4 more
doaj   +1 more source

Controlling Polymer Capture and Translocation by Electrostatic Polymer-Pore Interactions [PDF]

open access: yes, 2017
Polymer translocation experiments typically involve anionic polyelectrolytes such as DNA molecules driven through negatively charged nanopores. Quantitative modelling of polymer capture to the nanopore followed by translocation therefore necessitates the
Abramowitz M.   +4 more
core   +2 more sources

L’évaluation, outil de pilotage

open access: yesRevue Internationale d’Éducation de Sèvres, 2000
For several years in Guinea, the Ministry of Education has been performing an ongoing evaluation programme for primary education as part of efforts to improve education quality. To date, this programme has focused, not on merely evaluating pupils’ levels,
Émilie Barrier
doaj   +1 more source

Illustrating field emission theory by using Lauritsen plots of transmission probability and barrier strength

open access: yes, 2012
This technical note relates to the theory of cold field electron emission (CFE). It starts by suggesting that, to emphasize common properties in relation to CFE theory, the term 'Lauritsen plot' could be used to describe all graphical plots made with the
Deane, Jonathan H. B.   +3 more
core   +1 more source

Lysosphingolipids in ceramide-deficient skin lipid models

open access: yesJournal of Lipid Research
Ceramides are key components of the skin's permeability barrier. In atopic dermatitis, pathological hydrolysis of ceramide precursors - glucosylceramides and sphingomyelin - into lysosphingolipids, specifically glucosylsphingosine (GS) and sphingosine ...
Georgios Paraskevopoulos   +8 more
doaj   +1 more source

Ceramides in the skin barrier

open access: yesEuropean Pharmaceutical Journal, 2017
The skin barrier, which is essential for human survival on dry land, is located in the uppermost skin layer, the stratum corneum. The stratum corneum consists of corneocytes surrounded by multilamellar lipid membranes that prevent excessive water loss ...
Vávrová K., Kováčik A., Opálka L.
doaj   +1 more source

Analysis of Carbon Emissions in Heterogeneous Traffic Flow within the Influence Area of Highway Off-Ramps

open access: yesApplied Sciences, 2023
With the continuous advancements in electrification, connectivity, and intelligence in the automotive industry, the mixed traffic of vehicles with different levels of driving automation is changing the carbon emission characteristics in the impact areas ...
Xiaozhi Su   +4 more
doaj   +1 more source

Structure and function of the blood–brain barrier

open access: yesNeurobiology of Disease, 2010
Neural signalling within the central nervous system (CNS) requires a highly controlled microenvironment. Cells at three key interfaces form barriers between the blood and the CNS: the blood–brain barrier (BBB), blood–CSF barrier and the arachnoid barrier.
N. Joan Abbott   +4 more
doaj   +1 more source

Phospholipid-Based Microemulsions for Cutaneous Imiquimod Delivery

open access: yesPharmaceuticals, 2022
Imiquimod (IMQ) is a potent immune response modifier with antiviral and antitumor properties. IMQ’s low aqueous solubility and unsatisfactory cutaneous permeability limit its formulation into effective dosage forms.
Eleni Panoutsopoulou   +3 more
doaj   +1 more source

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