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As a consequence of this delocalization, phen complexes often exhibit distinctive optical and redox properties. With respective p K a 's of 4.86 and 4.3 for their conjugate acids , phenanthroline and bipy are of comparable basicity . [ 25 ]
1,10-Phenanthroline (phen) is a heterocyclic organic compound. It is a white solid that is soluble in organic solvents. The 1,10 refer to the location of the nitrogen atoms that replace CH's in the hydrocarbon called phenanthrene. Abbreviated "phen", it is used as a ligand in coordination chemistry, forming strong complexes with most metal ions.
Weight loss in those receiving the fen-phen combination was significantly greater (8.4±1.1 kg) than in those receiving placebo (4.4±0.9 kg) and equivalent to that of those receiving fenfluramine (7.5±1.2 kg) or phentermine alone (10.0±1.2 kg). This amounts to an additional weight loss of 4±2 kg over the course of 24 weeks.
DA-Phen is a conjugate of dopamine and the amino acid phenylalanine (Phe or Phen). [ 1 ] [ 2 ] It is slowly cleaved by brain enzymes ( t ½ = 460 minutes) to yield free dopamine but is also rapidly hydrolyzed in human blood plasma (t ½ = 28 minutes). [ 2 ]
Phen may refer to: Phen, an abbreviation for the chemical compound phenethylamine; Phen, an abbreviation for the chemical compound phenanthroline; Phen, an abbreviation for phentermine in the pharmaceutical drug known as fen-phen; Phen District, a district in Udon Thani Province, Thailand; Pyen language, also known as Phen, a Loloish language ...
[8] [9] [10] It also acts as a norepinephrine–dopamine reuptake inhibitor (NDRI) to a lesser extent. [8] [10] The drug robustly and dose-dependently elevates brain norepinephrine and dopamine levels in animals. [8] Phentermine is more potent in its effects on norepinephrine than on dopamine and the drug shows only weak effects on serotonin.
The word creepypasta first appeared on 4chan, an online imageboard, around 2007.It is a variant of copypasta (from "copy and paste"), another 4chan term which refers to blocks of text which become viral by being copied widely around the internet.
Fenfluramine is indicated for the treatment of seizures associated with Dravet syndrome and Lennox–Gastaut syndrome in people age two and older. [3] [7] [4]Dravet syndrome is a life-threatening, rare and chronic form of epilepsy. [7]