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  1. Hyaluronic acid (/ˌhaɪ.əljʊəˈrɒnɪk/;[1][2] abbreviated HA; conjugate base hyaluronate), also called hyaluronan, is an anionic, nonsulfated glycosaminoglycan distributed widely throughout connective, epithelial, and neural tissues. It is unique among glycosaminoglycans as it is non-sulfated, forms in the plasma membrane instead of the ...

  2. Botulinum toxin, or botulinum neurotoxin (commonly called botox), is a highly potent neurotoxic protein produced by the bacterium Clostridium botulinum and related species.[23] It prevents the release of the neurotransmitter acetylcholine from axon endings at the neuromuscular junction, thus causing flaccid paralysis.[24] The toxin causes the ...

  3. Endre Alexander Balazs. Endre Alexander Balazs (10 January 1920 – 29 August 2015) was a Hungarian physician and inventor who transformed a natural lubricant into a palliative for arthritic knees. He devoted seven decades to exploring the therapeutic potential of hyaluronic acid. [2] He was inducted into the New Jersey Inventors Hall of Fame ...

  4. Propylene glycol (IUPAC name: propane-1,2-diol) is a viscous, colorless liquid, which is nearly odorless but possesses a faintly sweet taste. Its chemical formula is CH3CH(OH)CH2OH. As it contains two alcohol groups, it is classed as a diol. It is miscible with a broad range of solvents, including water, acetone, and chloroform. In general ...

  5. en.wikipedia.org › wiki › DNADNA - Wikipedia

    In a DNA double helix, each type of nucleobase on one strand bonds with just one type of nucleobase on the other strand. This is called complementary base pairing.Purines form hydrogen bonds to pyrimidines, with adenine bonding only to thymine in two hydrogen bonds, and cytosine bonding only to guanine in three hydrogen bonds. . This arrangement of two nucleotides binding together across the ...

  6. en.wikipedia.org › wiki › MaldivesMaldives - Wikipedia

    The Maldives is the smallest country in Asia. Including the sea, the territory spans roughly 90,000 square kilometres (35,000 sq mi), and a land area of 298 square kilometres (115 sq mi). The Maldives is one of the world's most geographically dispersed sovereign states, and the smallest Muslim-majority country by land area.

  7. en.wikipedia.org › wiki › UltravioletUltraviolet - Wikipedia

    Ultraviolet ( UV) light is electromagnetic radiation of wavelengths of 10–400 nanometers, shorter than that of visible light, but longer than X-rays. UV radiation is present in sunlight, and constitutes about 10% of the total electromagnetic radiation output from the Sun. It is also produced by electric arcs, Cherenkov radiation, and ...

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