Nanofibrous chitosanدرpolyethylen oxide mats containing green tea extract با word
Nanofibrous chitosanدرpolyethylen oxide mats containing green tea extract با word دارای 6 صفحه می باشد و دارای تنظیمات در microsoft word می باشد و آماده پرینت یا چاپ است
فایل ورد Nanofibrous chitosanدرpolyethylen oxide mats containing green tea extract با word کاملا فرمت بندی و تنظیم شده در استاندارد دانشگاه و مراکز دولتی می باشد.
توجه : در صورت مشاهده بهم ریختگی احتمالی در متون زیر ،دلیل ان کپی کردن این مطالب از داخل فایل ورد می باشد و در فایل اصلی Nanofibrous chitosanدرpolyethylen oxide mats containing green tea extract با word،به هیچ وجه بهم ریختگی وجود ندارد
بخشی از متن Nanofibrous chitosanدرpolyethylen oxide mats containing green tea extract با word :
سال انتشار : 1395
نام کنفرانس یا همایش : دومین کنفرانس بین المللی یافته های نوین پژوهشی در شیمی و مهندسی شیمی
تعداد صفحات : 6
چکیده مقاله:
Nanofibrous CS-PEO mats containing 2% and 4% of green tea (GT) aqueous extract were developed by electrospinning method. The FE-SEM micrographs of the mats exhibited that in both cases very uniform fibers free of any nanobeads and droplets were formed that were about 90 nm in size. The tensile strength analysis revealed that the elongation at break of the mat including 2% GT is slightly higher while its tensile strength is very much smaller than that of the mat loaded by 4% GT. The swelling percent was decreased by increasing the GT percent from 2 to 4% and this may be attributed to the enhanced interaction of the amino NH2, C(O)NH2 and OH groups of the chitosan and PEO polymers with the OH groups of GT leading to a less hydrophilic mat surface, thus reducing the attraction by the aqueous medium. Moreover, the swelling was the highest in acidic medium but it was decreased in the neutral environment and it had the least value within the alkaline medium.
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