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Preparation Of Selenium Nanoparticles Based On Fish Gelatin Dispersion System And Investigation Of Their Anti-Oxidant Activities, Du Peng-Cheng, Wang Hui, Hu Yue-Ming, Tu Zong-Cai
Preparation Of Selenium Nanoparticles Based On Fish Gelatin Dispersion System And Investigation Of Their Anti-Oxidant Activities, Du Peng-Cheng, Wang Hui, Hu Yue-Ming, Tu Zong-Cai
Food and Machinery
Selenium nano particles (SeNPs) were prepared using fish gelatin dispersion system, and its particle size, morphology, and digestive stability were studied by dynamic light scattering (DLS) and scanning electron microscopy (SEM). The antioxidant capacity of SeNPs were determined. The results showed that fish gelatin was excellent dispersion system for preparation of SeNPs. The particle size of SeNPs and its morphology was barely affected by the concentration of fish gelatin dispersion system. Moreover, SeNPs presented good antioxidant ability. Among them, the DPPH radical scavenging ability of SeNPs prepared by 1.000%, 0.500%, 0.125% fish gelatin dispersion system, and IC50 value were 1.846 …
Needle Characteristics Of Lebanon Cedar (Cedrus Libani A.Rich.): Degradation Of Epicuticular Waxes And Decrease Of Photosynthetic Rates With Increasing Needle Age, Ayli̇n Güney, Reiner Zimmermann, Anna Krupp, Klaus Haas
Needle Characteristics Of Lebanon Cedar (Cedrus Libani A.Rich.): Degradation Of Epicuticular Waxes And Decrease Of Photosynthetic Rates With Increasing Needle Age, Ayli̇n Güney, Reiner Zimmermann, Anna Krupp, Klaus Haas
Turkish Journal of Agriculture and Forestry
The evergreen conifer Cedrus libani A.Rich. İs frost- and drought-tolerant and of economic and ecological importance. It has valuable timber and thus has promising potential for cultivation within and outside its natural distribution. Our aim was to determine the morphological and physiological characteristics of C. Libani needle leaves with respect to epicuticular waxes, photosynthetic assimilation rates, and needle age. The study was conducted in the Cedar Research Forest near Elmalı, Antalya (SW Turkey) at 1650 m a.s.l. An equation to calculate needle surface area from needle length was created (R2 = 0.96) for adult cedar needles. The form factor for …