Amino acids analysis

T. Álvarez-Segura, J.R. Torres-Lapasió, M.C. García-Álvarez-Coque, “Optimisation of chromatographic resolution using objective functions including both time and spectral information. Part 2: Compounds exhibiting small spectral differences”. Current Chromatography A 3, 34–43 (2016).

M.T. Gil-Agustí, S. Carda-Broch, Ll. Monferrer-Pons, J. Esteve-Romero, “Simultaneous determination of tyramine and tryptamine and their precursor amino acids by micellar liquid chromatography and pulsed amperometric detection in wines”. Journal of Chromatography A 1156, 288–295 (2007).

V. Concha-Herrera, J.R. Torres-Lapasió, G. Vivó-Truyols, M.C. García-Álvarez-Coque, “A comparative study of the performance of acetonitrile and methanol in the multi-linear gradient separation of proteic primary amino acids”. Analytica Chimica Acta 582, 250–258 (2007).

V. Concha-Herrera, J.R. Torres-Lapasió, G. Vivó-Truyols, M.C. García-Álvarez-Coque, “Separation of proteic primary amino acids under several reversed-phase liquid chromatographic conditions”. Journal of Liquid Chromatography and Related Technologies 29, 2521–2536 (2006).

V. Concha-Herrera, G. Vivó-Truyols, J.R. Torres-Lapasió, M.C. García-Álvarez-Coque, “Limits of multi-linear gradient optimisation in reversed-phase liquid chromatography”. Journal of Chromatography A 1063, 79–88 (2005).

S. López-Grío, J.R. Torres-Lapasió, J.J. Baeza-Baeza, M.C. García-Álvarez-Coque, “Micellar liquid chromatography separation of amino acids using pre- and post-column o‑phthalaldehyde/N-acetylcysteine derivatization”. Analytica Chimica Acta 418, 153–165 (2000).

M.J. Medina-Hernández, M.C. García-Álvarez-Coque, “Available lysine in protein, assay using o‑phthalaldehyde/N-acetyl-L-cysteine spectrophotometric method”. Journal of Food Science 57, 503–505 (1992).

M.J. Medina-Hernández, S. Sagrado-Vives, M.C. García-Álvarez-Coque, “Some observations on the automation by flow injection analysis of the spectrophotometric determination of amino acids and proteins with o-phthalaldehyde”. Mikrochimica Acta 108, 293–298 (1992).

M.J. Medina-Hernández, E. Bonet-Domingo, R.M. Villanueva-Camañas, M.C. García-Álvarez-Coque, “Use of the o‑phthalaldehyde and N-acetyl-L-cysteine reagent in the evaluation of milk proteins”. Journal of Dairy Sciences 74, 1779–1785 (1991).

M.J. Medina-Hernández, R.M. Villanueva-Camañas, E. Monfort-Cuenca, M.C. García-Álvarez-Coque, “Determination of the protein and free amino acid content in a sample using o‑phthalaldehyde and N-acetyl-L-cysteine”. Analyst 115, 1125–1128 (1990).

M.J. Medina-Hernández, E. Bonet-Domingo, R.M. Villanueva-Camañas, M.C. García-Álvarez–Coque, “Evaluation of the proteolysis degree with the o-phthalaldehyde/N-acetyl-L-cysteine reagent”. Fresenius Journal of Analytical Chemistry 338, 62–65 (1990).

M.J. Medina-Hernández, R.M. Villanueva-Camañas, M.C. García-Álvarez-Coque, “Determination of total free amino acids with o-phthalaldehyde and N-acetyl-L-cysteine”. Microchemical Journal 42, 288–293 (1990).

M.J. Medina-Hernández, M.C. García-Álvarez-Coque, E. Bonet-Domingo, R.M. Villanueva-Camañas, “FIA‑spectrophotometric assay of N-acetylcysteine by o-phthalaldehyde derivatization”. Pharmazie 45, 745–747 (1990).

M.C. García-Álvarez-Coque, M.J. Medina-Hernández, R.M. Villanueva-Camañas, C. Mongay-Fernández, “Spectrophotometric determination of N-acetylcysteine in drug formulations with o‑phthalaldehyde and isoleucine”. Analyst 114, 975–977 (1989).

M.C. García-Álvarez-Coque, M.J. Medina-Hernández, R.M. Villanueva-Camañas, C. Mongay-Fernández, “Studies on the formation and stability of isoindoles derived from amino acids, o‑phthalaldehyde and N-acetyl-L-cysteine”. Analytical Biochemistry 180, 172–176 (1989).

M.C. García-Álvarez-Coque, M.J. Medina-Hernández, R.M. Villanueva-Camañas, C. Mongay-Fernández, “Formation and instability of o-phthalaldehyde derivatives of amino acids” (review). Analytical Biochemistry 178, 1–7 (1989).

M.J. Medina-Hernández, R.M. Villanueva-Camañas, M.C. García-Álvarez-Coque, “Spectrophotometric determination of cystine by formation of an o-phthalaldehyde/N-acetyl-L-cysteine derivative”. Microchemical Journal 40, 292–296 (1989).

M.C. García-Álvarez-Coque, M.J. Medina-Hernández, R.M. Villanueva-Camañas, C. Mongay-Fernández, “Some observations on the reaction of cysteine with o-phthalaldehyde”. Spectrochimica Acta Part A 44, 1461–1464 (1988).

M.C. García-Álvarez-Coque, M.J. Medina-Hernández, R.M. Villanueva-Camañas, C. Mongay-Fernández, “Spectrophotometric determination of cystine with o-phthalaldehyde in the absence of thiol”. Analytical Letters 21, 1545–1559 (1988).

G. Ramis-Ramos, A.R. Maurí-Aucejo, M.C. García-Álvarez-Coque, C. Mongay-Fernández, “Determination of tyrosine and phenylalanine by derivatization with nitric acid and differential pulse polarography”. Microchemical Journal 36, 113–117 (1987).