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ارزیابی ویژگیهای مکانیکی، ضدمیکروبی و مقاومت به آب فیلم نانوکامپوزیتی پروتئین میوفیبریل-نانوفیبر سلولز در ترکیب با اسانس پونه کوهی | ||
مجله بهره برداری و پرورش آبزیان | ||
مقاله 5، دوره 6، شماره 1، فروردین 1396، صفحه 49-60 اصل مقاله (223.06 K) | ||
نوع مقاله: مقاله کامل علمی - پژوهشی | ||
شناسه دیجیتال (DOI): 10.22069/japu.2017.11414.1307 | ||
نویسندگان | ||
محسن کاظمی* 1؛ بهاره شعبانپور2؛ پرستو پورعاشوری3 | ||
1دانش آموخته دانشگاه علوم کشاورزی و منابع طبیعی گرگان | ||
2استاد دانشگاه علوم کشاورزی و منابع طبیعی گرگان | ||
3استادیار دانشگاه علوم کشاورزی و منابع طبیعی گرگان | ||
چکیده | ||
در این تحقیق فیلم زیست نانوکامپوزیت پروتئین میوفیبریل-نانوفیبرسلولز (%4/0NFC ) تولید شد و با هدف فعال سازی و کاهش حساسیت آن به آب، غلظت های مختلف (%2 و 5/1) اسانس پونه کوهی در ماتریکس زیست پلیمر شرکت داده شد. در این راستا ویژگیهای فیزیکی، مکانیکی، نوری و همچنین فعالیت ضد میکروبی فیلم های مختلف بررسی شد. حضور اسانس در ماتریکس زیست پلیمر پایداری مکانیکی فیلم ها را کاهش داد (05/0>p). هرچند با افزودن اسانس نفوذپذیری فیلم های فعال به بخار آب افزایش نشان داد اما این فیلمها حلالیت و تورم پذیری به مراتب کمتری نسبت به فیلم های نانوکامپوزیت ارائه دادند (05/0>p). افزایش زاویه تماس و کاهش رطوبت فیلم های فعال نیز نشان دهنده افزایش خاصیت آبگریزی و مقاومت به آب آنها بود. بررسی خواص میکروبی فیلم های مختلف نیز نشان داد که فیلم های فعال محتوی هر دو غلظت اسانس خواص ضدمیکروبی قابل قبولی در برابر 3 گونه باکتری Escherichia coli ، Staphylococcus aureus و Bacillus subitilis نشان دادند. | ||
کلیدواژهها | ||
پروتئین میوفیبریل؛ فیلم؛ اسانس؛ نانوفیبر سلولز؛ خواص ضد میکروبی | ||
مراجع | ||
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