Results 21 to 30 of about 1,329 (197)

Synthesis, Evaluation, and Characterization of an Ergotamine Imprinted Styrene-Based Polymer for Potential Use as an Ergot Alkaloid Selective Adsorbent [PDF]

open access: yes, 2021
Alkaloid toxicities negatively impact livestock health and production. To assess alkaloid occurrences, adsorbent technologies may offer effective means to their extraction and isolation from a complex feed matrix.
Kudupoje, Manoj B.   +3 more
core   +2 more sources

Increased expression of 5-hydroxytryptamine(2A/B) receptors in idiopathic pulmonary fibrosis: a rationale for therapeutic intervention [PDF]

open access: yes, 2010
Background Idiopathic pulmonary fibrosis (IPF) has a poor prognosis and limited responsiveness to available treatments. It is characterised by epithelial cell injury, fibroblast activation and proliferation and extracellular matrix deposition ...
Amarie, Oana Veronica   +8 more
core   +1 more source

Recreational use, analysis and toxicity of tryptamines [PDF]

open access: yes, 2015
The definition New psychoactive substances (NPS) refers to emerging drugs whose chemical structures are similar to other psychoactive compounds but not identical, representing a "legal" alternative to internationally controlled drugs.
Mannocchi, Giulio   +3 more
core   +1 more source

Synthetic studies on polycyclic indole alkaloids [PDF]

open access: yes, 2006
The first part of this work details the formal total synthesis of HKI 0231B and the first total synthesis of both demethyl HKI 0231A and demethyl HKI 0231B. The formal synthesis used TBAF as a mild reagent to construct the indole.
Wu, Tao
core   +3 more sources

Crystal Structure of an LSD-Bound Human Serotonin Receptor [PDF]

open access: yes, 2017
SummaryThe prototypical hallucinogen LSD acts via serotonin receptors, and here we describe the crystal structure of LSD in complex with the human serotonin receptor 5-HT2B.
Betz, Robin M.   +12 more
core   +2 more sources

PhD [PDF]

open access: yes, 2008
dissertationEarlier studies have demonstrated the peroxidase oxidation of the delta8-ergolines agroclavine and elymoclavine to their respective 10-hydroxy-delta9, and other derivatives.
Choong, Tung-Chung.
core   +3 more sources

Conformational Analysis of the D Ring of Lysergic Acid Amides and its Bioactive Conformation [PDF]

open access: yes, 1985
1H, 13Cnuclear magnetic resonance data on simple lysergic acid amides and ergopeptines indieate eonsiderable flexibility of the D ring. The actual conformation depends upon the existence (or absence) of intramolecular hydrogen bonding between N6 and the ...
Darko Kocjan   +2 more
core   +3 more sources

Vertebral arteries do not experience tensile force during manual cervical spine manipulation applied to human cadavers [PDF]

open access: yes, 2022
Background: The vertebral artery (VA) may be stretched and subsequently damaged during manual cervical spine manipulation. The objective of this study was to measure VA length changes that occur during cervical spine manipulation and to compare these to ...
Edwards, W Brent   +3 more
core   +1 more source

Psychedelics Promote Structural and Functional Neural Plasticity. [PDF]

open access: yes, 2018
Atrophy of neurons in the prefrontal cortex (PFC) plays a key role in the pathophysiology of depression and related disorders. The ability to promote both structural and functional plasticity in the PFC has been hypothesized to underlie the fast ...
Barragan, Eden V   +15 more
core   +2 more sources

Impaired physical fitness in pediatric inflammatory bowel disease

open access: yesJournal of Pediatric Gastroenterology and Nutrition, EarlyView.
Abstract Objective There are only a few studies on physical fitness in pediatric inflammatory bowel disease (PIBD). We compared physical fitness in PIBD patients versus healthy controls and analyzed the role of contributing disease‐ and patient‐related factors.
Saija Kantanen   +10 more
wiley   +1 more source

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