نتایج جستجو برای: nps were synthesized by sol

تعداد نتایج: 8212014  

Journal: :Journal of the Japan Society of Powder and Powder Metallurgy 2005

2017
Cristian Petcu Violeta Purcar Cătălin-Ilie Spătaru Elvira Alexandrescu Raluca Şomoghi Bogdan Trică Sabina Georgiana Niţu Denis Mihaela Panaitescu Dan Donescu Maria-Luiza Jecu

Ultra-hydrophobic bilayer coatings on a glass surface were fabricated by sol-gel process using hexadecyltrimethoxysilane (C16TMS) and tetramethoxysilane (TMOS) (1:4 molar ratio) as precursors. After coating, silica nanoparticles (SiO₂ NPs) functionalized with different mono-alkoxy derivatives (methoxytrimethylsilane, TMeMS; ethoxydimethylvinylsilane, DMeVES; ethoxydimethylphenylsilane, DMePhES;...

2016
Gunjan Bisht Sagar Rayamajhi Biplab KC Siddhi Nath Paudel Deepak Karna Bhupal G. Shrestha

Novel magnetic composite nanoparticles (MCPs) were successfully synthesized by ex situ conjugation of synthesized ZnO nanoparticles (ZnO NPs) and Fe3O4 NPs using trisodium citrate as linker with an aim to retain key properties of both NPs viz. inherent selectivity towards cancerous cell and superparamagnetic nature, respectively, on a single system. Successful characterization of synthesized na...

Journal: :Journal of Inorganic and Organometallic Polymers and Materials 2021

In this study, undoped and Magnesium doped TiO2 nanoparticles (Mg-TiO2 NPs) are successfully synthesized via a simple sol–gel method cost-effectively. The prepared Mg- NPs is characterized by UV–Vis, FTIR, PL, XRD, FESEM, TEM, EDAX. UV–Visible Spectroscopy showed that an increase in the optical bandgap concerning concentration of dopant Mg increases. values were found to be 3.57–3.54 eV. FTIR s...

Journal: :Molecules 2016
Mohammed Rafi Shaik Ghadeer H Albalawi Shams Tabrez Khan Merajuddin Khan Syed Farooq Adil Mufsir Kuniyil Abdulrahman Al-Warthan Mohammed Rafiq H Siddiqui Hamad Z Alkhathlan Mujeeb Khan

Microbicidal potential of silver nanoparticles (Ag-NPs) can be drastically improved by improving their solubility or wettability in the aqueous medium. In the present study, we report the synthesis of both green and chemical synthesis of Ag-NPs, and evaluate the effect of the dispersion qualities of as-prepared Ag-NPs from both methods on their antimicrobial activities. The green synthesis of A...

2016
Syed Rahin Ahmed Sangjin Oh Rina Baba Hongjian Zhou Sungu Hwang Jaebeom Lee Enoch Y. Park

The demand for biologically compatible and stable noble metal nanoparticles (NPs) has increased in recent years due to their inert nature and unique optical properties. In this article, we present 11 different synthetic methods for obtaining gold nanoparticles (Au NPs) through the use of common biological buffers. The results demonstrate that the sizes, shapes, and monodispersity of the NPs cou...

Journal: :Romanian journal of morphology and embryology = Revue roumaine de morphologie et embryologie 2016
Simona Popescu Ioana Lavinia Ardelean Dragoş Gudovan Marius Rădulescu Denisa Ficai Anton Ficai Bogdan Ştefan Vasile Ecaterina Andronescu

In this study, MCM-41 mesoporous silica nanoparticles (NPs) and MCM-41÷Fe3O4 mesoporous silica NPs were prepared by sol-gel method using CTAB (cetyltrimethylammonium bromide) as template and TEOS (tetraethyl orthosilicate) as silica precursor in order to use these materials as drug delivery system (DDS) for different biologically active agents. The MCM-41 and MCM-41÷Fe3O4 mesoporous silica NPs ...

Journal: :Physical chemistry chemical physics : PCCP 2013
Subrata Kundu

Self-assembled Ag NPs on DNA chains were synthesized using a simple photochemical technique. The size of the individual Ag NPs and their average diameter on the DNA chains can be tuned just by controlling the various reaction parameters. The average diameter of the self-assembled Ag NPs on DNA chains were varied in the 20-75 nm range, whereas the average diameters of the individual Ag NPs can b...

Introduction: The increasing trend of cancer morbidity and mortality is a major human health concern, indicating the necessity for the design and introduction of novel anticancer compounds. The use of nanotechnology products is a new approach to cancer treatment. Therefore, the current study was performed to synthesize Titanium Dioxide nanoparticles (NPs) functionalized with glutamine and conju...

2017
Sameh Samir Ali Reda Morsy Nessma Ahmed El-Zawawy Mervat F Fareed Mohamed Yaser Bedaiwy

Increasing of multidrug resistance (MDR) remains an intractable challenge for burn patients. Innovative nanomaterials are also in high demand for the development of new antimicrobial biomaterials that inevitably have opened new therapeutic horizons in medical approaches and lead to many efforts for synthesizing new metal oxide nanoparticles (NPs) for better control of the MDR associated with th...

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