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The typical dosage is either 1.5 mg taken once or 0.75 mg taken 12–24 hours apart. [37] The effectiveness in both methods is similar. [ 37 ] The most widely used form of oral emergency contraception is the progestin-only pill , which contains a 1.5 mg dosage of levonorgestrel. [ 36 ]
Varenicline, sold under the brand names Chantix and Champix among others, is a medication used for smoking cessation [5] [7] and for the treatment of dry eye syndrome. [6] [8] It is a nicotinic acetylcholine receptor partial agonist.
The chart was designed by Ian Bailey [5] and Jan E. Lovie-Kitchin at the National Vision Research Institute of Australia. [1] [3] They described their motivation for designing the LogMAR chart as follows: "We have designed a series of near vision charts in which the typeface, size progression, size range, number of words per row and spacings were chosen in an endeavour to achieve a ...
It is often expressed in terms of mg-min/m 3. ICt 50 is the dose that will cause incapacitation rather than death. These measures are commonly used to indicate the comparative efficacy of chemical warfare agents, and dosages are typically qualified by rates of breathing (e.g., resting = 10 L/min) for inhalation, or degree of clothing for skin ...
Peptide T is an HIV entry inhibitor discovered in 1986 by Candace Pert and Michael Ruff, a US neuroscientist and immunologist. [1] Peptide T, and its modified analog Dala1-peptide T-amide (DAPTA), a drug in clinical trials, is a short peptide derived from the HIV envelope protein gp120 which blocks binding [2] and infection [3] of viral strains which use the CCR5 receptor to infect cells.
The abundance of elements in Earth's crust is shown in tabulated form with the estimated crustal abundance for each chemical element shown as mg/kg, or parts per million (ppm) by mass (10,000 ppm = 1%).
Magnesium diboride is the inorganic compound of magnesium and boron with the formula MgB 2.It is a dark gray, water-insoluble solid. The compound has attracted attention because it becomes superconducting at 39 K (−234 °C).
Allosteric regulation of an enzyme. In the fields of biochemistry and pharmacology an allosteric regulator (or allosteric modulator) is a substance that binds to a site on an enzyme or receptor distinct from the active site, resulting in a conformational change that alters the protein's activity, either enhancing or inhibiting its function.