نتایج جستجو برای: biocompatible nanoparticles

تعداد نتایج: 113261  

2007
Sungwook Hong Ilsu Rhee

Ferrite nanoparticles were synthesized at around 4°C~25°C and coated during the synthesis process with biocompatible and biodegradable polymers, dextran or chitosan. The size of ferrite nanoparticles was determined to be 7.51nm by DLS (Dynamic Light Scattering) and TEM (Transmission Electron Microscope). The size of coated nanoparticles was increased up to 128.6nm and 67nm for dextran and chito...

2017
Chung-Hsuan Chen Olga K. Kosheleva Nelson G. Chen Peter Lai Michael Hsiao

Herein, the concept and data for cancer treatment that combines ultrasound and nanoparticles is reported. Non-toxic gold and magnetic nanoparticles were used to enhance the ultrasound destruction of cancer cells in vitro. Separate monolayers of normal and cancer cells were treated by focused ultrasound with the result of more pronounced damage of cancer cells when biocompatible gold and magneti...

2009
Eugenia Teodor SimonaCarmen Liţescu C Petcu Mihaela Mihalache Raluca Somoghi

Magnetic nanoparticles were obtained using an adjusted Massart method and were covered in a layer-by-layer technique with hydrogel-type biocompatible shells, from chitosan and hyaluronic acid. The synthesized nanocomposites were characterized using dynamic light scattering, transmission electron microscopy, and Fourier transformed infrared spectroscopy. Biocompatibility of magnetic nanostructur...

Journal: :Polymer Chemistry 2021

A new methacrylic boronate ester is synthesized and exploited to produce biocompatible nanoparticles with a boron-rich core by PISA.

2018
Daniela Benedec Ilioara Oniga Flavia Cuibus Bogdan Sevastre Gabriela Stiufiuc Mihaela Duma Daniela Hanganu Cristian Iacovita Rares Stiufiuc Constantin Mihai Lucaciu

Purpose The leaves and flowering stem of Origanum vulgare contain essential oils, flavonoids, phenolic acids and anthocyanins. We propose a new, simple, one-pot, O. vulgare extract (OVE) mediated green synthesis method of biocompatible gold nanoparticles (AuNPs) possessing improved antioxidant, antimicrobial and plasmonic properties. Materials and methods Different concentrations of OVEs were...

2016
Robin Augustine Anitha Augustine Nandakumar Kalarikkal Sabu Thomas

Development of materials for medical applications using biologically derived materials by green approaches is emerging as an important focus in the present healthcare scenario. Herein the first time, we report the plant extract mediated ultra-rapid biosynthesis of silver nanoparticles using whole plant extracts of Biophytum sensitivum. Synthesized nanoparticles were immobilized in nano-micro du...

Journal: Vaccine Research 2014
Delaram Doroud, Hossien Heydari, Mehdi Shafiee Ardestani, Mohammad Sadeq Khosravy, Reza Ahangari Cohan, Rohollah Vahabpour, Safieh Amini, Seyed Bahman Momen, Seyed Mohammad Atyabi,

Manufacturing new Hepatitis B virus vaccines, specifically by the use of nanoparticles, is of high global interest. In this paper, a new biocompatible and biodegradable structure of nano-sized hepatitis B virus’ surface antigen (HBsAg) was generated by conjugation with dendrimers, a low cost biodegradable and biocompatible polymer. The physicochemical properties of the conjugate were characteri...

2017
Dorina-Elena Coricovac Elena-Alina Moacă Iulia Pinzaru Cosmin Cîtu Codruta Soica Ciprian-Valentin Mihali Cornelia Păcurariu Victor A. Tutelyan Aristidis Tsatsakis Cristina-Adriana Dehelean

The use of magnetic iron oxide nanoparticles in biomedicine has evolved intensely in the recent years due to the multiple applications of these nanomaterials, mainly in domains like cancer. The aim of the present study was: (i) to develop biocompatible colloidal suspensions based on magnetic iron oxide nanoparticles as future theranostic tools for skin pathology and (ii) to test their effects i...

Journal: :Advanced healthcare materials 2017
Bingbo Zhang Weitao Yang Jiani Yu Weisheng Guo Jun Wang Shiyuan Liu Yi Xiao Donglu Shi

Gadolinium (Gd)-based nanoparticles are known for their high potential in magnetic resonance imaging (MRI). However, further MRI applications of these nanoparticles are hampered by their relatively large sizes resulting in poor organ/tumor targeting. In this study, ultrafine sub-10 nm and biocompatible Gd-based nanoparticles are synthesized in a bioinspired, environmentally benign, and straight...

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