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International Journal of Nanoscience and Nanotechnology (IJNN)، جلد ۱۴، شماره ۴، صفحات ۳۱۹-۳۲۵
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عنوان انگلیسی Ag-Conjugated Nanoparticle Biosynthesis Mediated by Rosemary Leaf Extracts Cor-rlates with Plant Antioxidant Activity and Pro-tein Content
چکیده انگلیسی مقاله    In recent years, the world has witnessed an explosion of interest in biogenic synthesis of metallic nanoparticles (NPs), using plant extracts; however, the plant constituents involved in this reaction are poorly characterized. Here, major components of Rosemary (Rosmarinus officinalis L.) leaf extracts were isolated monthly during 2012-2013 and their competences for Ag–conjugated nanoparticle biosynthesis were studied. Formation of Ag/AgCl–NPs was examined using UV-visible spectroscopy and characterized by Fourier transform infrared spectroscopy (FTIR), X-ray powder diffraction (XRD), and Transmission electron microscopy (TEM). Correlation analysis showed that extracts with more protein contents and higher total reducing capacity were more efficient in biosynthesis of Ag/AgCl–NPs. There existed no correlation between total phenolic, ascorbic acid and anthocyanin contents with Ag/AgCl–NPs biosynthesis activity. These results partly explain the mechanisms controlling plant mediated biosynthesis of nanoparticles, with possible applications in standardization of plant materials harvested throughout a year.
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نویسندگان مقاله M. Hadi Soltanabad |
Department of Biology, Golestan University, Shahid Beheshti Ave., P. O. Box: 155, Gorgan, I. R. Iran.

M. B. Bagherieh-Najjar |
Department of Biology, Golestan University, Shahid Beheshti Ave., P. O. Box: 155, Gorgan, I. R. Iran.

E. Kohan Baghkheirati |
Department of Biology, Golestan University, Shahid Beheshti Ave., P. O. Box: 155, Gorgan, I. R. Iran.

M. Mianabadi |
Department of Biology, Golestan University, Shahid Beheshti Ave., P. O. Box: 155, Gorgan, I. R. Iran.

نشانی اینترنتی http://www.ijnnonline.net/article_33279_7c99b199ddce97d10f6e44896b95e26b.pdf
فایل مقاله اشکال در دسترسی به فایل - ./files/site1/rds_journals/423/article-423-1065104.pdf
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