Results 91 to 100 of about 14,193 (213)

The Effect of Dorsal Hippocampal α2-Adrenegic Receptors on WIN55,212-2 State-Dependent Memory of Passive Avoidance

open access: yesMajallah-i Dānishgāh-i ̒Ulūm-i Pizishkī-i Qum, 2010
Background and Objectives: Cannabinoids are a class of psychoactive compounds that produce a wide array of effects in a large number of species. In the present study, the effects of bilateral intra-CA1 injections of an α2-adrenergic receptor agents,
M Piri   +3 more
doaj  

Chemical Composition of Aspidosperma ulei Markgr. and Antiplasmodial Activity of Selected Indole Alkaloids

open access: yesMolecules, 2013
A new indole alkaloid, 12-hydroxy-N-acetyl-21(N)-dehydroplumeran-18-oic acid (13), and 11 known indole alkaloids: 3,4,5,6-tetradehydro-β-yohimbine (3), 19(E)-hunteracine (4), b-yohimbine (5), yohimbine (6), 19,20-dehydro-17-a-yohimbine (7), uleine (10 ...
Adrian Martin Pohlit   +7 more
doaj   +1 more source

Inhibition of orexin-1/hypocretin-1 receptors inhibits yohimbine-induced reinstatement of ethanol and sucrose seeking in Long–Evans rats [PDF]

open access: yes
\ud RATIONALE:\ud \ud Previous studies have shown that orexin-1/hypocretin-1 receptors play a role in self-administration and cue-induced reinstatement of food, drug, and ethanol seeking.
Jemma K. Richards   +6 more
core   +2 more sources

Yohimbine-related Alkaloids from

open access: yesNatural Product Communications, 2018
Five new yohimbine-type indole alkaloids were isolated from the leaves of Tabernaemontana corymbosa . Their structures were determined on the basis of the NMR and Circular Dichroism (CD) spectroscopy.
Alfarius Eko Nugroho   +5 more
doaj   +1 more source

Validated methods for determination of yohimbine hydrochloride in the presence of its degradation products

open access: yesBulletin of Faculty of Pharmacy Cairo University, 2011
Two simple, accurate and sensitive and techniques have been developed and validated for the determination of yohimbine hydrochloride in presence of its acid, alkaline and photo-degradates as stability-indicating studies.
M. Farouk   +3 more
doaj   +1 more source

Noradrenergic control of error perseveration in medial prefrontal cortex

open access: yesFrontiers in Integrative Neuroscience, 2013
The medial prefrontal cortex (mPFC) plays a key role in behavioral variability, action monitoring, and inhibitory control. The functional role of mPFC may change over the lifespan due to a number of aging-related issues, including dendritic regression ...
Marcelo S Caetano   +7 more
doaj   +1 more source

Simultaneous Determination of Reserpine, Rescinnamine, and Yohimbine in Human Plasma by Ultraperformance Liquid Chromatography Tandem Mass Spectrometry

open access: yesJournal of Analytical Methods in Chemistry, 2013
A sensitive and selective UPLC-MS/MS method was developed and validated for the determination of three indolic alkaloids (reserpine, rescinnamine, and yohimbine) in human plasma using papaverine as internal standard (IS).
Muzaffar Iqbal   +3 more
doaj   +1 more source

How safe are herbal products? [PDF]

open access: yes, 2000
In the search for cures for his ailments, man discovered many healing and toxic properties of plants. Some were found to cure certain diseases while others were found to exert dramatic effects on the body.
Forte, John Stephen
core  

Distribution and density of α- and β-adrenergic receptor binding sites in the bovine mammary gland [PDF]

open access: yes, 2017
Radioreceptor binding studies were designed to localize and determine the number of α and β-adrenergic receptors in the mammary gland of lactating cows.
Blum, Jürg W.   +3 more
core  

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