4-AP

4-AP

(organic chemistry)
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The reduction of 4-NP to 4aminophenol (4-AP) using aqueous NaB[H.sub.4] is thermodynamically favorable ([E.sub.0] for 4-NP/4-AP = 0.76 V and [H.sub.3]B[O.sub.3]/B[H.sub.4.sup.-] = 1.33 V versus NHE), but the presence of the kinetic barrier due to large potential difference between donor and acceptor molecules decreases the feasibility of this reaction.
For slowly delayed rectifier ([I.sub.Ks]) measurements, 10 [micro]M nifedipine, 3 mM 4-AP, and 10 [micro]M TTX were added.
Clobenzorex (Mexico), sodium nitroprusside (SNP), atropine, L-NAME, glibenclamide, 4-aminopyridine (4-AP), tetraethylammonium (TEA), clotrimazole and cycloheximide were dissolved in distilled water.
[15] synthesized CoMn2O4 hierarchiral microspheres catalysts for the reduction of 4-NP to 4-AP. They suggested out that the special morphology of CoMn2O4 microspheres and the presence of metal oxide (MO) with d7 and d5 electronic configurations are favorable to the reduction process.
In the records of I[sub]Na, 2 mmol/L 4-AP, 30 mmol/L TEA-Cl and 0.1 mmol/L CdCl[sub]2 were included in the external solution to block transient outward potassium currents, I[sub]K, and calcium currents.
Conversely, potassium-channel blockers such as 4-aminopyridine, or 4-AP, which are taken for relief of many MS symptoms, may improve heat-related fatigue or cognition problems.
Membrane currents were evoked at 0.1 Hz by various step pulses with a duration of 1 s before and after the addition of 4-AP. Under controlled conditions, when the cell was held at -80 mV, the depolarizing pulses which are more than -30 mV can elicit the outward currents.
Third, PR dalfampridine might enhance the inhibitory drive and precision of pacemaking of cerebellar Purkinje cells, as also supported by animal studies on its analogue 4-aminopyridine (4-AP) [23].
Prior studies have shown that exposure of BoNT-A poisoned tissue to 4-aminopyridine (4-AP) can rescue neuromuscular transmission [50].
The yellow color of the solution gradually vanished, indicating the formation of p-aminophenol (4-AP) [28].
[I.sub.Ca] was elicited using 250 ms depolarization current stepped from -40 to 60 mV with 10 mV increments from holding potential at -80 mV in the presence of 4-AP (1 mM).
Results showed that astaxanthin exhibited a dose-dependent inhibition of 4-aminopyridine (4-AP)-evoked release of glutamate.