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2005
The skin is composed of several morphologically distinct layers. The skin is protected primarily by the stratum corneum (SC). The superficial region, which is only 10-20 mm thick, is the primary barrier to the percutaneous absorption of compounds, as well as to water loss. Underlying the SC is the viable epidermis (50-100 mm thick), which is responsible
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The skin is composed of several morphologically distinct layers. The skin is protected primarily by the stratum corneum (SC). The superficial region, which is only 10-20 mm thick, is the primary barrier to the percutaneous absorption of compounds, as well as to water loss. Underlying the SC is the viable epidermis (50-100 mm thick), which is responsible
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Structural and Racial Barriers to Health Care
Annual Review of Nursing Research, 2004Limited access to health care and a system fraught with discriminatory practices inhibit some racial and ethnic minorities from gaining access to health care and assurance of equal treatment once they enter the health care system. The purpose of this chapter is to critically and systematically analyze the research literature to determine what impact ...
Linda, Burnes Bolton +2 more
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Schottky barriers and semiconductor band structures
Physical Review B, 1985Various models of Schottky-barrier formation suggest Fermi-level pinning in midgap. Elemen- tary band-structure considerations indicate that, for diamond-structure semiconductors, the physically relevant gap is the indirect gap, corrected for spin-orbit splitting. Schottky-barrier heights for elemental and III-V compound semiconductors can be predicted
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The structural basis of the blood-ocular barriers
Experimental Eye Research, 1977In the mammalian eye, endothelial barriers are localized in the vessels of (i) the retina, (ii) optic nerve, (iii) ciliary muscle and (iv) iris. The endothelial barrier of the vessels in the retina is insensitive to drugs or autocoids, whereas the vessels of the iris may respond to pharmacological manipulations with increased permeability.
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Functional Barrier Model - A Structured Approach To Barrier Analysis
SPE International Conference and Exhibition on Health, Safety, Security, Environment, and Social Responsibility, 2016Abstract Barrier Analysis has become a key element in managing major hazards and process safety, including and increasing attention from regulators for barriers and barrier management. In practice however the quality of the barrier analysis is often very poor and differences in understanding of barriers prevails throughout due to the ...
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Impact and Determinants of Structural Barriers on Physical Activity in People with Cancer
International Journal of Behavioral Medicine, 2021Karen Steindorf +2 more
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