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Title: Benefits and limitations of lab-on-a-chip method over reversed-phase high-performance liquid chromatography method in gluten proteins evaluation
Authors: Živančev, Dragan
Horvat D.
Torbica A.
Belović, Miona
Simic G.
Magdic D.
Đukić, Nevena
Journal: Journal of Chemistry
Issue Date: 23-Feb-2015
Abstract: © 2015 Dragan Živančev et al. RP-HPLC (reversed-phase high-performance liquid chromatography) is widely used to determine the amounts of the different gluten protein types. However, this method is time-consuming, especially at early stages of wheat breeding, when large number of samples needs to be analyzed. On the other hand, LoaC (Lab-on-a-Chip) technique has the potential for a fast, reliable, and automatable analysis of proteins. In the present study, benefits and limitations of Lab-on-a-Chip method over RP-HPLC method in gluten proteins evaluation were explored in order to determine in which way LoaC method should be improved in order to make its results more compliant with the results of RP-HPLC method. Strong correlation (P≤0.001) was found between numbers of HMW glutenin peaks determined by LoaC and RP-HPLC methods. Significant correlations (P≤0.05) were obtained between percentages of HMW and LMW glutenin subunits calculated with regard to total HMW + LMW area. Even more significant correlation (P≤0.001) was found when percentages of individual HMW areas were calculated with regard to total HMW. RP-HPLC method showed superiority in determination of gliadins since larger number and better resolution of gliadin peaks were obtained by this method.
Type: Article
DOI: 10.1155/2015/430328
ISSN: 20909063
SCOPUS: 84924559481
Appears in Collections:Faculty of Science, Kragujevac
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