نتایج جستجو برای: Nanomaterial

تعداد نتایج: 3033  

Journal: :journal of nanostructures 2013
m. masteri-farahani r. kamrani

a new hybrid nanomaterial was developed by immobilization of phosphomolybdate anions on the surface of modified magnetite nanoparticles with quaternary phosphonium cations. silica coated magnetic nanoparticles supported phosphonium cations, ph3p+-scmnps, were prepared by covalent attachment of chloropropylsilyl groups on the surface of silica coated magnetite nanoparticles and next reaction wit...

Journal: :journal of nanostructures 2015
m. masteri-farahani s. adegozali a. matin

in  this  work,  a  new  hybrid  organometallic-inorganic  hybrid nanomaterial was prepared by immobilization of acetyl ferrocene on the  surface  of magnetite  nanoparticles. covalent  grafting of silica coated magnetite nanoparticles (scmnps) with 3-aminopropyl triethoxysilane gave aminopropyl-modified magnetite nanoparticles (ampscmnps). then, schiff base condensation  of ampscmnps with acet...

2015
Manca Pajnič Barbara Drašler Vid Šuštar Judita Lea Krek Roman Štukelj Metka Šimundić Veno Kononenko Darko Makovec Henry Hägerstrand Damjana Drobne Veronika Kralj-Iglič

BACKGROUND We studied the effect of carbon black (CB) agglomerated nanomaterial on biological membranes as revealed by shapes of human erythrocytes, platelets and giant phospholipid vesicles. Diluted human blood was incubated with CB nanomaterial and observed by different microscopic techniques. Giant unilamellar phospholipid vesicles (GUVs) created by electroformation were incubated with CB na...

M. Masteri-Farahani, R. Kamrani

A new hybrid nanomaterial was developed by immobilization of phosphomolybdate anions on the surface of modified magnetite nanoparticles with quaternary phosphonium cations. Silica coated magnetic nanoparticles supported phosphonium cations, Ph3P+-SCMNPs, were prepared by covalent attachment of chloropropylsilyl groups on the surface of silica coated magnetite nanoparticles...

2009
Jie Xiao Yinlun Huang

Molecular modeling and simulation has been recognized as an effective tool for gaining a comprehensive and insightful understanding of nanomaterial structure-property relationships, which are critical for nanomaterial development. Note that nanomaterial development is a very complicated task involving the design and management of massive runs of simulations and numerous types of subtasks in mul...

A. Matin M. Masteri-Farahani, S. Adegozali

In  this  work,  a  new  hybrid  organometallic-inorganic  hybrid nanomaterial was prepared by immobilization of acetyl ferrocene on the  surface  of magnetite  nanoparticles. Covalent  grafting of silica coated magnetite nanoparticles (SCMNPs) with 3-aminopropyl triethoxysilane gave aminopropyl-modified magnetite nanoparticles (AmpSCMNPs). Then, Schiff base condensation  of AmpSCMNPs with acet...

Journal: :nanomedicine journal 0
hamideh razavi nanobiotechnology research centre, baqiyatallah university of medical sciences, tehran, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی بقیه الله (baqiyatallah university of medical sciences) sajad janfaza young researchers & elite club, pharmaceutical sciences branch, islamic azad university, tehran, irandepartment of nanobiotechnology, tarbiat modares university, tehran, iranسازمان اصلی تایید شده: دانشگاه تربیت مدرس (tarbiat modares university)سازمان های دیگر: دانشگاه آزاد اسلامی

a sensitive monitoring of biological analytes, such as biomolecules (protein, lipid, dna and rna), and biological cells (blood cell, virus and bacteria), is essential to assess and avoid risks for human health. nanobiosensors, analytical devices that combine a biologically sensitive element with a nanostructured transducer, are being widely used for molecular detection of biomarkers associated ...

2015
Christine Ogilvie Hendren Christina M Powers Mark D Hoover Stacey L Harper

The Nanomaterial Data Curation Initiative (NDCI), a project of the National Cancer Informatics Program Nanotechnology Working Group (NCIP NanoWG), explores the critical aspect of data curation within the development of informatics approaches to understanding nanomaterial behavior. Data repositories and tools for integrating and interrogating complex nanomaterial datasets are gaining widespread ...

M. Masteri-Farahani R. Rahimpour

In this work, we report a new hybrid nanomaterial based on the immobilization of 4-formyl benzo-9-crown-3 ether (FB9C3) onto the mesopores of MCM-41. First, the mesoporous molecular sieve MCM-41 was covalently grafted with 3-aminopropyl triethoxysilane to give aminopropyl modified MCM-41 (AmpMCM-41). Reaction of this material with FB9C3 afforded the B9C3-AmpMCM-41 hybrid nanomaterial. The prepa...

Journal: :applied biotechnology reports 0
mohammad ebrahim minaei department of biology, imam hossein university, tehran, iran mojtaba saadati department of biology, imam hossein university, tehran, iran mostafa najafi department of chemistry, imam hossein university, tehran, iran hossein honari department of biology, imam hossein university, tehran, iran

in this study, we explained a nanobiosensor for dna sequence detection, featuring sequence specificity, cost efficiency, speed, and ease of use. without the need for labels or indicators, it may be ideal for the detection of biological agents. this review describes recent advances in electrochemical impedance spectroscopy (eis) with an emphasis on using nanoparticles and nanotechnology. a power...

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