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Iontophoresis is a process of transdermal drug delivery by use of a voltage gradient on the skin. [1] [2] Molecules are transported across the stratum corneum by electrophoresis and electroosmosis and the electric field can also increase the permeability of the skin.
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Mechanisms of action. While increased skin permeability is seen through sonophoresis, the precise mechanisms to describe sonophoresis are yet to be fully discovered. However, there are several important mechanisms that have been identified that contribute to the phenomenon of sonophoresis.
Ulick na gCeann Burke, 12th Clanricarde or Mac William Uachtar, 1st Earl of Clanricarde (English: / ˈ j uː l ɪ k /; English: / k l æ n ˈ r ɪ k ɑːr d /; YOO-lik; klan-RIK-ard; died 1544; styled MacWilliam, and na-gCeann, meaning "of the Heads", "having made a mount of the heads of men slain in battle which he covered up with earth") was an Irish noble and son of Richard Mór Burke, 9th ...
1. Illustration of electrophoresis. 2. Illustration of electrophoresis retardation. In chemistry, electrophoresis is the motion of charged dispersed particles or dissolved charged molecules relative to a fluid under the influence of a spatially uniform electric field. As a rule, these are zwitterions.
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Archaeopteris is an extinct genus of progymnosperm tree with fern -like leaves. A useful index fossil, this tree is found in strata dating from the Upper Devonian to Lower Carboniferous ( 383 to 323 million years ago ), the oldest fossils being 385 million years old, [1] and had global distribution. Until the 2007 discovery of Wattieza, many ...
Dark Ages (historiography) Petrarch (1304–1374), who conceived the idea of a European "Dark Age". From Cycle of Famous Men and Women, Andrea di Bartolo di Bargilla, c. 1450. The Dark Ages is a term for the Early Middle Ages (c. 5th–10th centuries), or occasionally the entire Middle Ages (c. 5th–15th centuries), in Western Europe after the ...
Esophoria is an eye condition involving inward deviation of the eye, usually due to extra-ocular muscle imbalance. It is a type of heterophoria .
Phonophoresis, also known as sonophoresis, is the method of using ultrasound waves to increase skin permeability in order to improve the effectiveness of transdermal drug delivery. This method intersects drug delivery and ultrasound therapy.