This paper presents an updated critical review about several attempts to contribute
methionine (Met) to the world market with an emphasis on fermentation processes …

An overview of the recent developments in the applications of high‐performance capillary
electromigration methods, namely zone electrophoresis, isotachophoresis, isoelectric …

The larva of the drosophilid fly, Chymomyza costata, is probably the most complex metazoan
organism that can survive submergence in liquid nitrogen (-196° C) in a fully hydrated state …

One of the challenges associated with metabolome profiling in complex biological samples
is to generate quantitative information on the metabolites of interest. In this work, a targeted …

This study compares the main commercial detectors that can detect amino acids in their
underivatized form. The detectors tested are: the chemiluminescent nitrogen detector …

Background: The combined measurement of methylmalonic acid (MMA) and total
homocysteine (tHcy) in serum or plasma is useful in diagnosing and distinguishing between …

Background Drosophila melanogaster is a chill-susceptible insect. Previous studies on this
fly focused on acute direct chilling injury during cold shock and showed that lower lethal …

The fruit fly Drosophila melanogaster is an insect of tropical origin. Its larval stage is
evolutionarily adapted for rapid growth and development under warm conditions and shows …

This paper describes a rapid, sensitive and specific method for determination of free amino
acids in honey involving a new reaction of derivatization and gas chromatography (GC) with …

The neccessity to derivatize polar analytes prior to separation often disqualifies gas
chromatography (GC) as a method of choice in the field of biomedical/pharmaceutical …