تحضير و تشخيص المتراكبات النانوية لبولي فينايل الكحول مع مزيج الكيتوسان المطعم ودراسة الفعالية البايولوجية
محتوى المقالة الرئيسي
الملخص
تلقت دراسة البوليمرات الحيوية والمواد المشتقة منها درجة كبيرة من الاهتمام من قبل الباحثين تجاه تحضير مواد جديدة . تحتوي البوليمرات الحيوية ومشتقاتها على مجموعة واسعة من التطبيقات نتيجة لتوافقها الحيوي وقابليتها للتحلل الحيوي وعدم سُميتها. في هذا البحث، تم تفاعل الكيتوسان مع الألديهايدات المختلفة (2،4 ثنائي كلورو بنزالديهايد أو 2-ميثيل بنزالديهايد) ، او كيتونات مختلفة (4-برومو أسيتوفينون أو 3-أمينو أسيتوفينون) لإنتاج البوليمرات )1-4( ( قاعدة شف الكيتوسان)، ثم تفاعل قاعدة شف الكيتوسان )1-4( مع حامض الكلوتاريك أو حامض الأديبيك في وسط حامضي في الماء المقطر وفقًا لخطوات Fischer and Speier لإنتاج البوليمرات )5-12( على التوالي. ثم مزج البوليمرات)5-12( (الكيتوسان المطعم ) بالبوليمر الاصطناعي PVA لإنتاج البوليمرات )13-20(، ثم مزج هذه البوليمرات مع جزيئات الفضة النانوي باستخدام hotplate stirrer لمدة 60 دقيقة لإنتاج المتراكبات النانوية Nanocomposites. تم تشخيص البوليمرات المحضرة من خلال تقنيات التحليل الطيفي، بما في ذلك FTIR ، 1H-NMR ، مجهر المسح الإلكتروني (SEM). وأخيرا درس النشاط المضاد للبكتيريا لبعض البوليمرات المحضرة.
Received 19/6/2022, Revised 10/9/2022, Accepted 12/9/2022, Published Online First 20/2/2023
تفاصيل المقالة
هذا العمل مرخص بموجب Creative Commons Attribution 4.0 International License.
كيفية الاقتباس
المراجع
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