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ZnO/Kitosan Hibrit Nano Geçirgen Mikroküreciklerin Ultrasonik Fabrikasyonu

Sonokimyasal reaksiyonlarda, sıvıdaki ultrasonik dalgaların ve kabarcıkların etkileşimi, kimyasal aktivitenin başlaması veya artması gibi birçok olaya neden olabilir. Nano malzemelerin sentezinde akustik kavitasyon sırasında oluşan H ve OH radikalleri bir çok yükseltgenme ve indirgemeleri tetikler. Bu çalışmada, sonokimyasal oluşum ile katalitik ve biyomateryal çekirdek/kabuk morfolojisinin sentezi ve ultrasonik dalga yoğunluğunun biyomalzeme boyutuna etkisi araştırılmıştır. Çekirdek kabuk morfolojisine sahip mikroküreler hazırlamak için yeni bir tek adımlı ultrasonik yöntem geliştirildi. Mikrokürelerin boyutunu ve morfolojisini belirlemek için optik mikroskop, Taramalı Elektron mikroskobu (SEM) kullanıldı. Yüzey morfolojisi, Atomik Kuvvet Mikroskobu (AFM) kullanılarak yeniden incelendi. Sonikasyon süresi 18 dk olarak ayarlandığında istenen mikroküreler elde edildi. Mikrokürelerin kabuğu biyolojik olarak parçalanabilen kitosandır ve çekirdek ZnO nanoparçacıklarıdır. Çekirdek kabuk morfolojisine sahip mikrokürelerin sentezi için geliştirilen reaksiyon yöntemi hızlı ve düşük maliyetlidir.

Ultrasonic Fabrication Of ZnO/Chitosan Nano Permeable Microspheres

In sonochemical reactions, the interaction of ultrasonic waves and bubbles in liquid phase can initiate or increase chemical activity. In the synthesis of nanomaterials, H and OH radicals formed during acoustic cavitation are triggered a lot of oxidation and reductions. In the present study, the synthesis of sonochemical formation and catalytic and biomaterial core/shell morphology and the effect of ultrasonic waves intensity on biomaterial size were investigated. A new one-step ultrasonic method was fabricated to prepare microspheres with core shell morphology. Optical microscope, Scanning Electron microscope (SEM) were used to determine the size and morphology of the microspheres. Surface morphology was examined using Atomic Force Microscopy (AFM). The desired microspheres were obtained when the sonication time was set to 18 min. The shell of the microspheres is biodegradable chitosan, and the core is ZnO nanoparticles. The reaction method developed for the synthesis of microspheres with core shell morphology is fast and low cost.

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