نتایج جستجو برای: bio nanocomposite

تعداد نتایج: 73977  

2016
Hao Zhang Qun Li Jinyu Huang Yu Du Shuangchen Ruan

A reduced grapheme oxide (rGO)/Au hybrid nanocomposite has been synthesized by hydrothermal treatment using graphite and HAuCl₄ as the precursors. Characterization, including X-ray diffraction (XRD), Raman spectra, X-ray photoelecton spectroscopy (XPS) and transmission electron microscopy (TEM), indicates the formation of rGO/Au. A gas sensor fabricated with rGO/Au nanocomposite was applied for...

Journal: :Materials Chemistry and Physics 2021

This study focuses on the preparation and characterization of nanocomposite system with bio-based epoxy resin (Super SAP 100/1000, contains 37% carbon content) natural clays including Georgian clay Brazilian clay. was surface modified using an ultrasound processing in presence Decalin. to organophilic bentonite quaternary ammonium salts. The resulting nano particles were characterized XRD TEM c...

Journal: :Material Science Research India 2021

The present study focuses on an efficient eco-friendly method for reducing graphene oxide (rGO) using Coffea arabica leaf extract bio-medical applications the first time to best of our knowledge. reduction (GO) leaves was verified through Raman, X-ray diffraction (XRD), Fourier transform infrared (FT-IR) spectroscopy, scanning electron microscopy (SEM). XRD peaks corresponding GO at 2? =10º hav...

پایان نامه :وزارت بهداشت، درمان و آموزش پزشکی - دانشگاه علوم پزشکی و خدمات بهداشتی درمانی مشهد - دانشکده دندانپزشکی 1391

مقدمه وهدف : میزان موفقیت مواد بکار رفته در جراحی های بالا بردن کف سینوس ماگزیلا و همچنین ثبات ایمپلنت های قرار گرفته در این نواحی همواره مطرح است لذا این مطالعه با هدف مقایسه ارتفاع استخوان و میزان ثبات ایمپلنت های کاشته شده به طور همزمان با جراحی بالا بردن کف سینوس ماگزیلا با استفاده از مواد bio-oss و nanobone با استفاده از آنالیز فرکانس انعکاسی و تصاویر cbct بود. مواد و روشها : در ابتدا بیم...

2017
M. Yu Yi Liu A. Moser D. Weller David J. Sellmyer D. J. Sellmyer

Journal: :Journal of The Mechanical Behavior of Biomedical Materials 2021

The present study deals with (i) the fabrication of composite surface layer Ti–29Nb–13Ta-4.6Zr/nano-fluorapatite through friction stir processing, (ii) clarifying correlation microstructure and texture in-vitro degradation behavior bioactivity fabricated nano-biocomposite, (iii) comparing mechanical functional properties nano whit those obtained for TNTZ bio-alloy. results indicated that increa...

2013
Jyotiranjan Roul Ranjit Mohapatra Sunit Kumar Sahoo

Nano-sized materials possess uniqueness in their properties and designs as compared to their bulk counterparts. For this reason, they have attracted a great deal of attention from the scientific community. Nanocomposite is a composition having a dispersed material that has one or more dimensions, such as length, width and thickness, in the nanometer size range. The nano-sized materials have eme...

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