PEDRO N . CIFUENTE; EMILIA J. FRICKEL CRITTO; ABNER PÉREZ CÓRDOBA; AGUSTÍN ACQUAVIVA; ANDREA B. MERLO; JUAN M. PADRÓ; SONIA KEUNCHKARIAN

Standard addition calibration: Is it enough for an analytical result estimation? Spectrophotometric experiments for analyte quantitation in real samples

Current Topics in Analytical Chemistry; Año: 2022 vol. 13 p. 81 - 87

QUINTAS, PAMELA Y.; KEUNCHKARIAN, SONIA; ROMERO, LILIAN; CANIZO, BRENDA V.; WUILLOUD, RODOLFO G.; CASTELLS, CECILIA B.

Determination of amino acid content and its enantiomeric composition in honey samples from Mendoza, Argentina

JOURNAL OF FOOD PROCESSING AND PRESERVATION; Año: 2021

R. ECHEVARRÍA, S. KEUNCHKARIAN, J. VILLARROEL-ROCHA, K. SAPAG, M. RETA

Organic monolithic capillary columns coated with cellulose tris(3,5-dimethylphenyl carbamate) for enantioseparations by capillary HPLC

MICROCHEMICAL JOURNAL; Lugar: Amsterdam; Año: 2019

NOEL ECHEVARRIA, ROMINA; CARRASCO-CORREA, ENRIQUE JAVIER; KEUNCHKARIAN, SONIA; RETA, MARIO; HERRERO-MARTINEZ, JOSÉ MANUEL

Photografted methacrylate-based monolithic columns coated with cellulose tris(3,5-dimethylphenylcarbamate) for chiral separation in CEC

JOURNAL OF SEPARATION SCIENCE; Año: 2018

LANCIONI, CARLINA; KEUNCHKARIAN, SONIA; CASTELLS, CECILIA B.; GAGLIARDI, LEONARDO G.

Enantiomeric separations by capillary electrophoresis: Theoretical method to determine optimum chiral selector concentration

JOURNAL OF CHROMATOGRAPHY - A; Año: 2018 vol. 1539 p. 71 - 77

PADRÓ, JUAN M.; KEUNCHKARIAN, SONIA

State-of-the-art and recent developments of immobilized polysaccharide-based chiral stationary phases for enantioseparations by high-performance liquid chromatography (2013–2017)

MICROCHEMICAL JOURNAL; Año: 2018 vol. 140 p. 142 - 157

C. LANCIONI, S. KEUNCHKARIAN, C.B. CASTELLS Y L. GAGLIARDI

Determination of thermodynamic binding constants by affinity capillary electrophoresis

TALANTA; Lugar: Amsterdam; Año: 2018

R. ECHEVARRÍA, C.A. FRANCA, M. TASCON, C.B. CASTELLS, S. KEUNCHKARIAN

Chiral ligand-exchange chromatography with Cinchona alkaloids. Exploring experimental conditions for enantioseparation of α-amino acids

MICROCHEMICAL JOURNAL; Lugar: Amsterdam; Año: 2016 vol. 129 p. 104 - 110

M.J. ZARO, L.C. ORTIZ, S. KEUNCHKARIAN, A.R. CHAVES, A.R. VICENTE, A. CONCELLÓN

Chlorogenic acid retention in white and purple eggplant after processing and cooking

LEBENSMITTEL-WISSENSCHAFT UND-TECHNOLOGIE-FOOD SCIENCE AND TECHNOLOGY; Lugar: Amsterdam; Año: 2015 vol. 64 p. 802 - 808

MARÍA J. ZARO, SONIA KEUNCHKARIAN, ALICIA R. CHAVES, ARIEL R. VICENTE, ANALÍA CONCELLÓN

Changes in bioactive compounds and response to postharvest storage conditions in purple eggplants as affected by fruit developmental stage

POSTHARVEST BIOLOGY AND TECHNOLOGY; Lugar: Amsterdam; Año: 2014 vol. 96 p. 110 - 117

S. KEUNCHKARIAN, P.J. LEBED, B. SLIZ, C.B. CASTELLS, L.G. GAGLIARDI

A New Method for Sintering Silica Frits to Produce Capillary Microcolumns

ANALYTICA CHIMICA ACTA; Lugar: Amsterdam; Año: 2014 vol. 820 p. 168 - 175

M. TASCON, L. M. ROMERO, A. ACQUAVIVA, S. KEUNCHKARIAN, C. CASTELLS

Determinations of gas?liquid partition coefficients using capillary chromatographic columns. Alkanols in squalane

JOURNAL OF CHROMATOGRAPHY - A; Lugar: Amsterdam; Año: 2013 vol. 1294 p. 130 - 136

PABLO J. LEBED, SONIA KEUNCHKARIAN, JAIVER OSORIO GRISALES, CECILIA B. CASTELLS

Measurements of association constants between enantiomers and chiral selectors by capillary gas chromatography. Theoretical and practical considerations

JOURNAL OF CHROMATOGRAPHY - A; Lugar: Amsterdam; Año: 2013

S. KEUNCHKARIAN, C. FRANCA, L. GAGLIARDI, C. B. CASTELLS

Enantioseparation of α-amino acids by means of Cinchona alkaloids as selectors in chiral ligand-exchange chromatography

JOURNAL OF CHROMATOGRAPHY - A; Lugar: Amsterdam; Año: 2013 vol. 1298 p. 103 - 108

JAVIER GOTTA, SONIA KEUNCHKARIAN, CECILIA CASTELLS, MARIO RETA

Predicting retention in reverse-phase liquid chromatography at different mobile phase compositions and temperatures by using the solvation parameter model

JOURNAL OF SEPARATION SCIENCE; Lugar: Weinheim; Año: 2012 vol. 35 p. 2699 - 2709

SONIA KEUNCHKARIAN, JAIVER OSORIO GRISALES, JUAN M. PADRÓ, SUSANA BOERIS, AND CECILIA B. CASTELLS

Development of a Chiral Stationary Phase Based on Cinchonidine. Comparison with a Quinine-Based Chiral Column

CHIRALITY; Lugar: New York; Año: 2012 vol. 24 p. 512 - 518

S. KEUNCHKARIAN, J. M. PADRÓ, J. GOTTA, A. M. NARDILLO, C. B. CASTELLS

Synthesis and evaluation of a chiral stationary phase based on quinine. Enantioresolution of dinitrophenyl derivatives of α-amino acids

JOURNAL OF CHROMATOGRAPHY - A; Año: 2011 vol. 1218 p. 3660 - 3668

P. J. LEBED, J. OSORIO GRISALES, S. KEUNCHKARIAN, J. GOTTA, M. GIAMBELLUCA, C. B. CASTELLS

Rapid and sensitive gradient liquid chromatography method for the quantitation of 2-hydroxyethidium ion from neutrophils

Analytical Methods; Año: 2011 vol. 3 p. 593 - 598

JAIVER OSORIO GRISALES, PABLO J. LEBED, SONIA KEUNCHKARIAN, FRANCISCO R. GONZÁLEZ, CECILIA B. CASTELLS*

Permethylated b-cyclodextrin in liquid poly(oxyethylene) as a stationary phase for capillary gas chromatography

JOURNAL OF CHROMATOGRAPHY - A; Año: 2009 vol. 1216 p. 6844 - 6851

SONIA KEUNCHKARIAN, MARIO RETA, LILIAN ROMERO, CECILIA CASTELLS

Effect of sample solvent on the chromatographic peak shape of analytes eluted under reversed-phase liquid chromatogaphic conditions

JOURNAL OF CHROMATOGRAPHY - A; Año: 2006 vol. 1119 p. 20 - 28

L. ROMERO, S. KEUNCHKARIAN, M. RETA

Extraction of biogenic amines and their dansyl derivatives with reverse microemulsions of bis [2-ethylhexyl] sulphosuccinate (AOT) prior to high-performance liquid chromatographic determination

ANALYTICA CHIMICA ACTA; Año: 2006 vol. 565 p. 136 - 144

A. BONFRANCESCHI, A. PÉREZ CÓRDOBA, S. KEUNCHKARIAN, S. ZAPATA, R. TUCCERI

Transport across poly(o-aminophenol) modified electrodes in contact with media containing redox active couples. A study using rotating disc electrode voltammetry

JOURNAL OF ELECTROANALYTICAL CHEMISTRY; Año: 1999 vol. 477 p. 1 - 13