نتایج جستجو برای: iron gold nanoparticle

تعداد نتایج: 249304  

2011
YOGENDRA SINGH

Nanoparticles are being intensively investigated because of their unique optical, electrical and catalytic properties which make them a potential material for utilization in the field of medicine electronic and environmental issues. This paper is concerned with the removing a heavy metal, Chromium, from its aqueous solution by Iron oxide nanoparticle filtration. Solutions of varying chromium co...

Journal: :Organic & biomolecular chemistry 2015
Vivek Poonthiyil Vladimir B Golovko Antony J Fairbanks

The development of a galactose-capped gold nanoparticle-based colorimetric sensor for the detection of the lectin heat-labile enterotoxin is reported. Heat-labile enterotoxin is one of the pathogenic agents responsible for the intestinal disease called 'traveller's diarrhoea'. By means of specific interaction between galactose moieties attached to the surface of gold nanoparticles and receptors...

Journal: :iranian journal of pharmaceutical research 0
kannaiyan sathish kumar department of chemical engineering, ssn college of engineering, kalavakkam 603 110, india. vasudevan jaikumar department of chemical engineering, ssn college of engineering, kalavakkam 603 110, india.

the present study is aimed at the overall improvement in the efficacy, reduced toxicity and enhancement of therapeutic index of cisplatin. nanocapsules of cisplatin containing ethylcellulose have been prepared using solvent evaporation technique under ambient conditions. the prepared nanocapsules were used for controlled drug release of anticancer agents with gold and iron oxide nanoparticles. ...

Journal: :international journal of nano dimension 0
a. saidi department of chemistry, shahid bahonar universityof kerman, 22 bahman boulevard, kerman 76169, iran. m. mirzaei department of chemistry, shahid bahonar universityof kerman, 22 bahman boulevard, kerman 76169, iran.

in this research, gold nanoparticles were synthesized and functionalized by the antibody of aflatoxins. the quenching of the fluorescence of excitation emission matrices (eem) of two type of aflatoxins (b1, g1), provoked by the gold nanoparticles, was studied by principal component analysis (pca) and multivariate curve resolution with alternating least squares (mcr-als). these aflatoxins show q...

Journal: :Nanoscale 2011
Qing Yu Hongwen Huang Xinsheng Peng Zhizhen Ye

A simple filtration technique was developed to prepare large scale free-standing close-packed gold nanoparticle ultrathin films using metal hydroxide nanostrands as both barrier layer and sacrificial layer. As thin as 70 nm, centimeter scale robust free-standing gold nanoparticle thin film was obtained. The thickness of the films could be easily tuned by the filtration volumes. The electronic c...

Hossain Ali Rafiee Pour Hossein Naderi-Manesh Mohammad Reza Ramezani

Cell-based biosensors have become a research hotspot in biosensors and bioelectronics fields. The main feature of cell-based biosensors is the immobilization of living cell on the surface of transducers. Different types of polymers which are used as scaffolds for cell growth should be biocompatible and have reactive functional groups for further attachment of biomolecules. In this work, the cel...

Kannaiyan Sathish Kumar, Vasudevan Jaikumar

The present study is aimed at the overall improvement in the efficacy, reduced toxicity and enhancement of therapeutic index of cisplatin. Nanocapsules of cisplatin containing ethylcellulose have been prepared using solvent evaporation technique under ambient conditions. The prepared nanocapsules were used for controlled drug release of anticancer agents with gold and iron oxide nanoparticles. ...

2011
Rashmi K Ambasta Archita Sharma Pravir Kumar

Angiogenesis is a crucial process in tumor pathogenesis as it sustains malignant cells with nutrients and oxygen. It is well known that tumor cells secrete various growth factors, including VEGF, which triggers endothelial cells to form new capillaries. Prevention of expansion of new blood vessel networks results in reduced tumor size and metastasis. Production of VEGF is driven by hypoxia via ...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2005
Taehoon Kim Kangtaek Lee Myoung-seon Gong Sang-Woo Joo

The size of gold nanoparticle aggregates was controlled by manipulating the interparticle interaction. To manipulate the interparticle interaction of gold nanoparticles prepared by citrate reduction, we applied the substitutive adsorption of benzyl mercaptan on the particle surface in the absence of the cross-linking effect. Various experimental techniques such as UV-vis absorption spectroscopy...

Journal: :Arquivos de neuro-psiquiatria 2014
Viroj Wiwanitkit

Sir, the application of the novel nanotechnology in diagnostic medicine is very interesting. In neurology, there are some previous reports. Focusing on the cerebrospinal fluid (CSF) examination, some previous publications previously mentioned for the application of gold nanoparticle solution as a diagnostic reagent for protein and Cryptococcus determination within CSF. Here, the author addition...

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