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Specialty. ophthalmology. [ edit on Wikidata] Artificial tears are lubricating eye drops used to relieve dryness and irritation of the ocular surface. [ 1] Dry eye syndrome ( keratoconjunctivitis sicca) is a common ocular surface disorder and is characterized by disruption of the tear film and increased inflammation. [ 2]
Phenol formaldehyde resins (PF) ( phenolic resins or phenoplasts [ 1]) are synthetic polymers obtained by the reaction of phenol or substituted phenol with formaldehyde. Used as the basis for Bakelite, PFs were the first commercial synthetic resins. They have been widely used for the production of molded products including billiard balls ...
1,9-Nonanediol, also known as nonamethylene glycol, is a diol with the molecular formula HO (CH 2) 9 OH. It is a colorless solid, which is sparingly soluble in water but readily soluble in ethanol. [ 1] 1,9-nonanediol can be produced by isomerization of allyl alcohol. [ 3] It can also be obtained by reacting methyl oleate with triethylsilyl ...
Acetylcysteine is the N - acetyl derivative of the amino acid L -cysteine, and is a precursor in the formation of the antioxidant glutathione in the body. The thiol (sulfhydryl) group confers antioxidant effects and is able to reduce free radicals .
July 25, 2024 at 4:40 PM. By Christina Anagnostopoulos. (Reuters) - Misinformation about Vice President - and now presidential candidate - Kamala Harris that first spread during the 2020 election ...
August 1, 2024 at 2:15 PM. MADISON, Wis. (AP) — A judge refused Thursday to put on hold his ruling that allows disabled people in Wisconsin to be emailed absentee ballots at home in November’s ...
The Fiat X1/9 is an Italian two-seater mid-engined sports car designed by Bertone and manufactured by Fiat from 1972–1982 and subsequently by Gruppo Bertone from 1982–1989. [ 2] With a transverse engine and gearbox in a mid-mounted, rear-wheel drive configuration, the X1/9 was noted for its balanced handling, [ 2][ 7] retractable headlights ...
Infobox references. Propylene glycol ( IUPAC name: propane-1,2-diol) is a viscous, colorless liquid. It is almost odorless and has a faintly sweet taste. Its chemical formula is CH 3 CH (OH)CH 2 OH. As it contains two alcohol groups, it is classed as a diol. An aliphatic diol may also be called a glycol.