Two-approach study for preparing stable colloidal gold nanoparticles in organic solvents by using 1-dodecyl-3-methylimidazolium bromide as an efficient capping and phase transfer agent

2015 ◽  
Vol 486 ◽  
pp. 192-202 ◽  
Author(s):  
Ghodratollah Absalan ◽  
Morteza Akhond ◽  
Hamid Ershadifar ◽  
Mohammad Ali Rezaei
Keyword(s):  
Gold Nanoparticles ◽  
Organic Solvents ◽  
Colloidal Gold ◽  
Phase Transfer ◽  
Colloidal Gold Nanoparticles ◽  
Phase Transfer Agent

Well-size-controlled Colloidal Gold Nanoparticles Dispersed in Organic Solvents

2001 ◽  
Vol 40 (Part 1, No. 1) ◽  
pp. 346-349 ◽  
Author(s):  
Gen Tsutsui ◽  
Shujuan Huang ◽  
Hiroyuki Sakaue ◽  
Shoso Shingubara ◽  
Takayuki Takahagi
Keyword(s):  
Gold Nanoparticles ◽  
Organic Solvents ◽  
Colloidal Gold ◽  
Colloidal Gold Nanoparticles ◽  
Size Controlled

Facile phase transfer of gold nanoparticles from aqueous solution to organic solvents with thiolated poly(ethylene glycol)

RSC Advances ◽  
2014 ◽  
Vol 4 (95) ◽  
pp. 52676-52679 ◽  
Author(s):  
A. M. Alkilany ◽  
A. I. Bani Yaseen ◽  
J. Park ◽  
J. R. Eller ◽  
C. J. Murphy
Keyword(s):  
Aqueous Solution ◽  
Gold Nanoparticles ◽  
Ethylene Glycol ◽  
Organic Solvents ◽  
Phase Transfer ◽  
Simple Approach ◽  
Poly Ethylene Glycol ◽  
Phase Transfer Agent ◽  
Poly Ethylene ◽  
Efficient Transfer

A simple approach for the efficient transfer of large gold nanoparticles from water to organic solvents using thiolated poly(ethylene glycol) as a phase transfer agent is presented.

Dense aqueous colloidal gold nanoparticles prepared from highly concentrated precursor solution

2011 ◽  
Vol 362 (2) ◽  
pp. 325-329 ◽  
Author(s):  
Tetsuro Soejima ◽  
Seisaku Oshiro ◽  
Yasuji Nakatsuji ◽  
Seishiro Ito
Keyword(s):  
Gold Nanoparticles ◽  
Colloidal Gold ◽  
Precursor Solution ◽  
Colloidal Gold Nanoparticles

An enhanced ELISA based on modified colloidal gold nanoparticles for the detection of Pb(II)

2011 ◽  
Vol 26 (8) ◽  
pp. 3700-3704 ◽  
Author(s):  
Yu Zhou ◽  
Xiang-Li Tian ◽  
Yan-Song Li ◽  
Feng-Guang Pan ◽  
Yuan-Yuan Zhang ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
Colloidal Gold ◽  
Colloidal Gold Nanoparticles

Effect of Voltage on Colloidal Gold (Au) Nanoparticles Produced Using Electro-Dissolution-Reduction Method

2015 ◽  
Vol 1115 ◽  
pp. 386-389
Author(s):  
Haroon Haiza ◽  
I.I. Yaacob ◽  
Ahmad Zahirani Ahmad Azhar
Keyword(s):  
Gold Nanoparticles ◽  
Electron Microscope ◽  
Colloidal Gold ◽  
Reduction Process ◽  
Chloride Ions ◽  
Complex Ions ◽  
Dc Power ◽  
Colloidal Gold Nanoparticles ◽  
Transmission Electron ◽  
The Mean

Colloidal gold nanoparticles have been successfully prepared using a simple two-electrode cells connected to a DC power supply. During the electro-dissolution-reduction process, the bulk gold at the anode oxidized into gold cations which then reacted with the chloride ions to form aurochloride complex. The complex ions were then reduced by the citrate ion to form colloidal gold nanoparticles. The size and shape of the nanoparticles were modulated by varying the terminal voltages. The colloidal gold nanoparticles obtained were characterized by field-emission scanning electron microscope (FESEM), transmission electron microscope (TEM) and ultraviolet-visible spectrophotometer (UV-Vis). From FESEM analysis, it was found that by increasing the voltage, the size of colloidal gold nanoparticles produced marginally decreased. The mean sizes of gold nanoparticles were roughly about 23.5 nm, 23.2 nm and 19.3 nm for 32 V, 36 V and 40 V, respectively. TEM micrograph showed that the shape of gold nanoparticles obtained is almost spherical. The characteristic peaks of UV-Vis spectra revealed that the suspension was indeed colloidal gold nanoparticles. Keywords: Gold, Nanoparticles, Electro-dissolution-reduction

scholarly journals Back Cover: Unconventional Chain-Growth Mode in the Assembly of Colloidal Gold Nanoparticles (Angew. Chem. Int. Ed. 32/2012)

2012 ◽  
Vol 51 (32) ◽  
pp. 8122-8122 ◽  
Author(s):  
Hong Wang ◽  
Liyong Chen ◽  
Xiaoshuang Shen ◽  
Liangfang Zhu ◽  
Jiating He ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
Colloidal Gold ◽  
Growth Mode ◽  
Chain Growth ◽  
Back Cover ◽  
Colloidal Gold Nanoparticles
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