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Browsing by Author "Yalçın, Dilek"
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Characterization and recovery of tartaric acid from wastes of wine and grape juice industries
Yalçın, Dilek; Özçalık, Onur; Altıok, Evren; Bayraktar, Oğuz (Springer, 2008-12)Tartaric acid is mainly used in food, pharmaceuticals and cosmetics industries. In this study, the waste samples, which contain tartaric acid, from the wastes of wine and grape juice industries were characterized by using ... -
Characterization of silk fibroin/hyaluronic acid polyelectrolyte complex (PEC) films
Malay, Özge; Yalçın, Dilek; Batıgün, Ayşegül; Bayraktar, Oğuz (Springer, 2008-12)This study aimed the characterization of the films casted from the aqueous mixtures of the pH induced complexes between silk fibroin (SF) and hyaluronic acid (HA). The insoluble and transparent films were subjected to ... -
Inhibition of catechol-0-methyltransferase (COMT) enzyme activity by some plant-derived alkaloids and phenols
Yalçın, Dilek (Izmir Institute of Technology, 2009)In this study, inhibition potentials of harmal seed alkaloids and olive leaf polyphenols were investigated on COMT catalyzed methylation reaction. Inhibition performances of natural alkaloids and polyphenolics whose purities ... -
Inhibition of catechol-O-methyltransferase (COMT) by some plant-derived alkaloids and phenolics
Yalçın, Dilek; Bayraktar, Oğuz (Elsevier, 2010-07)In this study, as an alternative to the medicines, natural compounds extracted from plant species (Peganum harmala, Cistus parviflorus and Vitex agnus-cactus) were investigated in order to inhibit the catechol-O-metyhltranferase ... -
Properties of n-eicosane-loaded silk fibroin-chitosan microcapsules
Başal, Güldemet; Şirin Deveci, Senem; Yalçın, Dilek; Bayraktar, Oğuz (Wiley, 2011-08)PCM microcapsules containing n-eicosane were prepared by complex coacervation of silk fibroin (SF) and chitosan (CHI). Chemical characterization of microcapsules was carried out using Fourier-transform infrared (FT-IR) ...
