ISSN: 0172-780X | ISSN-L: 0172-780X | eISSN 2354-4716

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Articles by author - Ivo Valka

Isolation and identification of the Amanita muscaria and Amanita pantherina toxins in human urine.

Merova B, Ondra P, Stankova M, Valka I.

Journal Article 2008; 29(5): 744-748 PubMed PMID: 18987593 Keywords: Amanita:chemistry, Amanitins:urine, Chromatography, High Pressure Liquid, Humans, Ibotenic Acid:urine, Indicators and Reagents, Muscarine:urine, Muscimol:urine, Nucleic Acid Synthesis Inhibitors:urine, Solid Phase Extraction, Solvents, Spectrometry, Mass,.

OBJECTIVES: Ibotenic acid, muscimol and muscarine were recognized as responsible for psychotropic effects of A. muscaria and A. pantherina.....

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Detection and determination of abused hallucinogens in biological material.

Ondra P, Zedníková K, Válka I.

Evaluation Studies 2006; 27(Suppl 2): 125-129 PubMed PMID: 17159796 Keywords: Chromatography, Thin Layer, Forensic Toxicology:methods, Gas Chromatography-Mass Spectrometry, Hallucinogens:blood, Humans, Models, Biological, Substance Abuse Detection:methods,.

OBJECTIVES: Until recently, routine toxicological analysis of some hallucinogens in biological material posed problems which were only res.....