Publications by authors named "Steven A Barker"

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N, N-Dimethyltryptamine (DMT), an Endogenous Hallucinogen: Past, Present, and Future Research to Determine Its Role and Function.
Steven A Barker

August 2018

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A critical review of reports of endogenous psychedelic N, N-dimethyltryptamines in humans: 1955-2010.
Steven A Barker, Ethan H McIlhenny, Rick Strassman

Drug Test Anal· December 2012

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Simple Analogs of the LSD D-Ring: A Consideration of Structure-Activity Relationships and Their Potential as Therapeutics.
Steven A Barker

ACS Chem Neurosci· November 2025

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N, N-dimethyltryptamine (DMT) in rodent brain: Concentrations, distribution, and recent pharmacological data.
Steven A Barker

Prog Neuropsychopharmacol Biol Psychiatry· March 2025

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Administration of N,N-dimethyltryptamine (DMT) in psychedelic therapeutics and research and the study of endogenous DMT.
Steven A Barker

Psychopharmacology (Berl)· June 2022

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Correction to: Administration of N,N‑dimethyltryptamine (DMT) in psychedelic therapeutics and research and the study of endogenous DMT.
Steven A Barker

Psychopharmacology (Berl)· June 2022

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Biosynthesis and Extracellular Concentrations of N,N-dimethyltryptamine (DMT) in Mammalian Brain.
Jon G Dean, Tiecheng Liu, Sean Huff, Ben Sheler, Steven A Barker

Sci Rep· June 2019

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N,N-dimethyltryptamine facts and myths.
Steven A Barker

J Psychopharmacol· July 2018

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Assessing the Psychedelic "After-Glow" in Ayahuasca Users: Post-Acute Neurometabolic and Functional Connectivity Changes Are Associated with Enhanced Mindfulness Capacities.
Frederic Sampedro, Mario de la Fuente Revenga, Marta Valle, Natalia Roberto, Elisabet Domínguez-Clavé, Steven A Barker

Int J Neuropsychopharmacol· September 2017

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Cardiomyopathy in a Harris hawk (Parabuteo unicinctus).
João Brandão, Caryn A Reynolds, Hugues Beaufrère, Jacqueline Serio, Robert V Blair, Steven A Barker

J Am Vet Med Assoc· July 2016

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Acute Biphasic Effects of Ayahuasca.
Eduardo Ekman Schenberg, João Felipe Morel Alexandre, Renato Filev, Andre Mascioli Cravo, João Ricardo Sato, Steven A Barker

PLoS One· June 2016

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On the transmethylation hypothesis: stress, N,N-dimethyltryptamine, and positive symptoms of psychosis.
Dionysios Grammenos, Steven A Barker

J Neural Transm (Vienna)· June 2015

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Metabolism and urinary disposition of N,N-dimethyltryptamine after oral and smoked administration: a comparative study.
Jordi Riba, Ethan H McIlhenny, José Carlos Bouso, Steven A Barker

Drug Test Anal· May 2015

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Pharmacokinetics of single oral dose of pimobendan in Hispaniolan Amazon parrots (Amazona ventralis).
David Sanchez-Migallon Guzman, Hugues Beaufrère, Butch KuKanich, Steven A Barker, João Brandão

J Avian Med Surg· June 2014

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LC/MS/MS analysis of the endogenous dimethyltryptamine hallucinogens, their precursors, and major metabolites in rat pineal gland microdialysate.
Steven A Barker, Jimo Borjigin, Izabela Lomnicka, Rick Strassman

Biomed Chromatogr· December 2013

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Pharmacokinetics of long-acting nalbuphine decanoate after intramuscular administration to Hispaniolan Amazon parrots (Amazona ventralis).
David Sanchez-Migallon Guzman, Butch KuKanich, Timothy D Heath, Lisa A Krugner-Higby, Steven A Barker

Am J Vet Res· February 2013

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Metabolism and disposition of N,N-dimethyltryptamine and harmala alkaloids after oral administration of ayahuasca.
Jordi Riba, Ethan H McIlhenny, Marta Valle, José Carlos Bouso, Steven A Barker

Drug Test Anal· December 2012

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Pharmacokinetics of tetracycline after single-dose oral administration in the American alligator (Alligator mississippiensis).
Sam Rivera, Javier G Nevarez, Lara K Maxwell, Steven A Barker

J Zoo Wildl Med· December 2012

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Effects of clenbuterol administration on serum biochemical, histologic, and echocardiographic measurements of muscle injury in exercising horses.
Jessica A Thompson, Susan C Eades, Ann M Chapman, Daniel B Paulsen, Steven A Barker

Am J Vet Res· June 2012

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Methodology for determining major constituents of ayahuasca and their metabolites in blood.
Ethan H McIlhenny, Jordi Riba, Manel J Barbanoj, Rick Strassman, Steven A Barker

Biomed Chromatogr· March 2012

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Bioavailability and pharmacokinetics of oral and injectable formulations of methadone after intravenous, oral, and intragastric administration in horses.
Renata L Linardi, Ashley M Stokes, Michael L Keowen, Steven A Barker, Giselle L Hosgood

Am J Vet Res· February 2012

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Autonomic, neuroendocrine, and immunological effects of ayahuasca: a comparative study with d-amphetamine.
Rafael G Dos Santos, Marta Valle, José Carlos Bouso, Josep F Nomdedéu, José Rodríguez-Espinosa, Steven A Barker

J Clin Psychopharmacol· December 2011

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Clenbuterol toxicosis in three Quarter Horse racehorses after administration of a compounded product.
Jessica A Thompson, Mustajab H Mirza, Steven A Barker, Timothy W Morgan, Rudy W Bauer

J Am Vet Med Assoc· September 2011

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Pharmacokinetics of butorphanol after intravenous, intramuscular, and oral administration in Hispaniolan Amazon parrots (Amazona ventralis).
David Sanchez-Migallon Guzman, Keven Flammer, Joanne R Paul-Murphy, Steven A Barker, Thomas N Tully

J Avian Med Surg· September 2011

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Pharmacokinetics of nalbuphine hydrochloride after intravenous and intramuscular administration to Hispaniolan Amazon parrots (Amazona ventralis).
Dominique L Keller, David Sanchez-Migallon Guzman, Julia M Klauer, Butch KuKanich, Steven A Barker

Am J Vet Res· June 2011

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