التصنیع الأخضر لمادة نانونیة ذات نشاط مضاد للبکتریا مصنعة من البولی فینیل الکحول والبولی إیثیلین والفضة

نوع المستند : Original Article

المؤلفون

معهد الهندسة الصحیة والبیئیة - المرکز القومی لبحوث الإسکان والبناء - مصر.

المستخلص

 فی هذه الدراسة، تم تصنیع مادة نانونیة من البولی فینیل الکحول  والبولی ایثیلین والفضة. وهی مادة صدیقة للبیئة باستخدام طریقة الإختزال الکیمیائی للفضة للحصول على الفضة فی حجم النانو باستخدام أیونات الفضة. یتم تحضیر البولی إیثیلین من عملیة بلمرة الانیلین فی وجود الأمونیوم بیر سلفات ویتم تکوین مادة جدیدة من الفضة النانونیة والبولی فینیل الکحول والبولی أنیلین. وتم توصیف المادة المتکونة باستخدام المیکروسکوب الالکترونی لمعرفة شکل وحجم الفضة النانونیة ووجد أنها فی المدى : 15 – 20 نانومتر ودراسة الـ FTIR   ودراسة الـ X-Ray وتم دراسة النشاط المضاد للبکتریا للمادة المتکونة باستخدام Gram Positive bacteria staphylo coccus aureus  وباستخدام Gram negative bacteria Echerichia coli (E.coli)   ووجد أن المادة المتکونة لها نشاط مضاد للبکتریا وتم اختبار ذلک بواسطةDisc diffusion method.

الموضوعات الرئيسية


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