Nino G Todua

Publications

Unusual Regularity in GC Retention of Simple Amino Acid Derivatives

August 8, 2019

Author(s)

Anzor I. Mikaia, Nino G. Todua, Zenkevich G. Igor

Background. Application of simple regularities and the general principles along with direct use of reference retention index data is a useful approach for

Gas chromatographic-mass spectrometric characterization of thebaol,an opium constituent, and its structural analogs

August 5, 2018

Author(s)

Anzor I. Mikaia, Levan Megutnishvili, Nino G. Todua, Stephen Stein

A GC-MS method is described for the characterization of thebaol, a component of opium poppy. Themethod includes preliminary sample derivatization to TMS, TBDMS

Stepwise extraction, chemical modification, GCMS separation,and determination of amino acids in human plasma

March 1, 2018

Author(s)

Nino G. Todua, Johanna Camara, Jacolin A. Murray, Anzor I. Mikaia

A method for isolation of enriched fractions of amino acids from human plasma followed by derivatization, gas chromatography separation and mass spectrometry

Mass Spectrometry of Analytical Derivatives. 2. Ortho and Para Effects in Electron Ionization Mass Spectra of Derivatives of Hydroxyl, Mercapto and Amino Benzoic Acids

May 1, 2016

Author(s)

Nino G. Todua, Anzor I. Mikaia

Derivatives requiring either anhydrous or aqueous reaction conditions were prepared for robust and reliable gas chromatography mass spectrometry (GC-MS)

Mass spectrometry of analytical derivatives. 1. Cyanide cations in the spectra of N-alkyl-N-perfluoroacyl-alpha-amino acids and their methyl esters

July 15, 2015

Author(s)

Nino G. Todua, Kirill V. Tretyakov, Anzor I. Mikaia

The central mission for the development of the NIST/NIH/EPA mass spectral library (The Library) is the acquisition of reference GC-MS data for important

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Nino G Todua (Assoc)

Publications