نتایج جستجو برای: sonochemical degradation

تعداد نتایج: 151992  

2012
Vojka Žunič

An efficient photocatalytic material TiO2/Pt was prepared via the sonochemical synthesis followed by the thermal treatment. The TiO2/Pt nanocomposite was able to photocatalytically degrade the azo dye methylene blue (MB) under UV (ultraviolet) and Vis (visible) irradiation. The enhanced photocatalytic activity of Pt/TiO2 for methylene blue degradation is attributed to the following factors; to ...

2014
Liping Qiao Yujing Sun Rongrong Chen Yu Fu Wenjuan Zhang Xin Li Jianchu Chen Yan Shen Xingqian Ye

The sonochemical effects of ultrasound (US) treatment on 14 flavonoids representing the main flavonoids in citrus fruit were investigated in a standard mixture by stability evaluation of a model system. Degradation products were further tentatively identified by Fourier transform infrared spectroscopy and high-performance liquid chromatography-ultraviolet detection-electrospray ionization tande...

Journal: :Ultrasonics sonochemistry 2016
M Soledad Belluzo Lara F Medina Ana M Cortizo M Susana Cortizo

In recent years, there has been an increasing interest in the design of biomaterials for cartilage tissue engineering. This type of materials must meet several requirements. In this study, we apply ultrasound to prepare a compatibilized blend of polyelectrolyte complexes (PEC) based on carboxymethyl cellulose (CMC) and chitosan (CHI), in order to improve stability and mechanical properties thro...

2016
Samreen Heena Khan

NanomaterialZinc oxide (ZnO) has been synthesized using Zinc Nitrate Hexahydrate as precursor by Sonochemical Method. The as-synthesized ZnO was characterized to study their optical, morphological and physical properties. Fourier Transform-Infra Red Spectroscopy analysis was done for identification of functional group, Scanning Electron MicroscopyEnergy Dispersive X-Ray Analysis for Morphology ...

1997
Kenneth S. Suslick Taeghwan Hyeon Mingming Fang

The sonochemical decomposition of volatile organometallic compounds produces high surface area solids that consist of agglomerates of nanometer clusters. For iron pentacarbonyl and tricarbonylnitrosylcobalt, nanostructured metals and alloys are formed; for molybdenum hexacarbonyl, the metal carbide is produced. These sonochemically produced nanostructured solids are active heterogeneous catalys...

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