Výsledky vyhledávání - "Alain Gaujac"

A miniaturized matrix solid-phase dispersion methodology (µMSPD) for determination of β-carboline alkaloids in tobacco samples by UPLC-ESI-Q-TOF/MS

Autor: Luís Fabricio Santana Santos, Miliana Gouveia da Silva, Alain Gaujac, Sandro Navickiene

Publikováno v: Journal of pharmaceutical and biomedical analysis. 218

Alkaloids play an important role in the chemical composition of tobacco, due to their effects that have led to the global consumption of this commodity. The β-carboline alkaloids present inhibitory action against the enzyme monoamine oxidase (MAO),

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7e40b242f52ad2c84b2a5a9f9258ba99
https://pubmed.ncbi.nlm.nih.gov/35671680

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Use of Coconut Charcoal and Menthone-Thiosemicarbazone Polymer as Solid Phase Materials for the Determination of N,N-Dimethyltryptamine, Harmine, Harmaline, Harmalol, and Tetrahydroharmine in Ayahuasca Beverage by Liquid Chromatography-Tandem Mass Spectrometry

Autor: Alain Gaujac, Luis Fabrício Santana Santos, Sandro Navickiene, Mônica Cardoso Santos

Publikováno v: Journal of the Brazilian Chemical Society v.30 n.1 2019
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Journal of the Brazilian Chemical Society, Volume: 30, Issue: 1, Pages: 180-187, Published: JAN 2019

An extraction method based on solid-phase extraction was developed to determine the major alkaloid components, N,N-dimethyltryptamine, harmine, harmaline, harmalol, and tetrahydroharmine, in ayahuasca using ultra-performance liquid chromatography-tan

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d1bef3575dba77b8383ab1de238992a1
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532019000100180

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Determination of Tryptamines and β-Carbolines in Ayahuasca Beverage Consumed During Brazilian Religious Ceremonies

Autor: Alain Gaujac, Mônica Cardoso Santos, Sandro Navickiene

Publikováno v: Journal of AOAC International. 100(3)

Ayahuasca is a potent hallucinogenic beverage prepared from Banisteriopsis caapi in combination with other psychoactive plants. N,N-dimethyltryptamine, tryptamine, harmine, harmaline, harmalol, and tetrahydroharmine were quantified in ayahuasca sampl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::154ef4ad01cd355532b668836d2cd226
https://pubmed.ncbi.nlm.nih.gov/28105971

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Investigations into the polymorphic properties of N,N-dimethyltryptamine by X-ray diffraction and differential scanning calorimetry

Autor: Simon D. Brandt, Nicola M. Dempster, Jailson B. de Andrade, Alain Gaujac, James L. Ford

Publikováno v: Microchemical Journal. 110:146-157

The powerful psychoactive features of N , N -dimethyltryptamine (DMT) have sparked the imagination of many research disciplines for several decades. One of the key chemical features associated with compound identity is the determination of melting po

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::29831e4c06ad7a60817e1ab0145a84ed

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Application of analytical methods for the structural characterization and purity assessment of N,N-dimethyltryptamine, a potent psychedelic agent isolated from Mimosa tenuiflora inner barks

Autor: Sandro José de Andrade, Sandro Navickiene, Alain Gaujac, Jailson B. de Andrade, Sabrina T. Martinez, Angelo C. Pinto, Arão Araújo Gomes, Jorge Mauricio David

Publikováno v: Microchemical Journal. 109:78-83

N , N -dimethyltryptamine (DMT) is a psychoactive indole alkaloid present in beverages consumed in religious ceremonies and in neo-shamanic rituals all around the world. It is a substance banned in most countries, which makes its acquisition difficul

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c8c90ee3e27d1c8c3e7b725dc7972b04

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Analytical techniques for the determination of tryptamines and β-carbolines in plant matrices and in psychoactive beverages consumed during religious ceremonies and neo-shamanic urban practices

Autor: Jailson B. de Andrade, Mark I. Collins, Sandro Navickiene, Alain Gaujac, Simon D. Brandt

Publikováno v: Drug Testing and Analysis. 4:636-648

The consumption of ayahuasca, a hallucinogenic beverage used by indigenous communities in the Amazon, is increasing worldwide due to the expansion of syncretic religions founded in the north of Brazil in the first half of the twentieth century, such

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::92873329d019ba220d3c8ef3267e2aec
https://doi.org/10.1002/dta.1343

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Analytical techniques for the determination of tryptamines and β-carbolines in plant matrices and in psychoactive beverages consumed during religious ceremonies and neo-shamanic urban practices

Autor: Alain, Gaujac, Sandro, Navickiene, Mark I, Collins, Simon D, Brandt, Jailson Bittencourt, de Andrade

Publikováno v: Drug testing and analysis. 4(7-8)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::fcd05437aa358e1d5f542a9448ff46ec
https://pubmed.ncbi.nlm.nih.gov/22577086

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Determination of N,N-dimethyltryptamine in Mimosa tenuiflora inner barks by matrix solid-phase dispersion procedure and GC-MS

Autor: Jailson B. de Andrade, Alain Gaujac, Sandro Navickiene, Adriano Aquino

Publikováno v: Journal of chromatography. B, Analytical technologies in the biomedical and life sciences.

N,N-dimethyltryptamine (DMT) is a potent hallucinogen found in beverages consumed in religion rituals and neo-shamanic practices over the world. Two of these religions, Santo Daime and Uniao do Vegetal (UDV), are represented in countries including Au

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3cebf42c108912b52ce03be4079b606e
https://pubmed.ncbi.nlm.nih.gov/22209595

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Multivariate optimization of a solid phase microextraction-headspace procedure for the determination of benzene, toluene, ethylbenzene and xylenes in effluent samples from a waste treatment plant

Autor: Sergio Luis Costa Ferreira, Sandro Navickiene, Alain Gaujac, Haroldo Silveira Dórea, Elissandro Soares Emídio

Publikováno v: Journal of chromatography. A. 1203(1)

A method based on solid-phase microextraction (SPME) and gas chromatography with flame ionization detection (GC-FID) has been optimized for the determination of benzene, toluene, ethylbenzene and xylenes (BTEX) in water released from a waste treatmen

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bc1b792c1d92c6f1ef72afe3a79e91ab
https://pubmed.ncbi.nlm.nih.gov/18657817

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