scholarly journals Water-Based Assembly and Purification of Plasmon-Coupled Gold Nanoparticle Dimers and Trimers

2012 ◽  
Vol 2012 ◽  
pp. 1-5 ◽  
Author(s):  
Sébastien Bidault ◽  
Albert Polman
Keyword(s):  
Gold Nanoparticle ◽  
Passivation Layer ◽  
Cross Linking ◽  
Purification Step ◽  
One Pot ◽  
Water Based ◽  
Efficient Coupling ◽  
Induced Aggregation ◽  
Plasmon Modes ◽  
Particle Plasmon

We describe a simple one-pot water-based scheme to produce gold nanoparticle groupings with short interparticle spacings. This approach combines a cross-linking molecule and a hydrophilic passivation layer to control the level of induced aggregation. Suspensions of dimers and trimers are readily obtained using a single electrophoretic purification step. The final interparticle spacings allow efficient coupling of the particle plasmon modes as verified in extinction spectroscopy.

Greener One-Pot Synthesis of Gold Nanoparticle Glycoconjugates Using Functionalized Sugars

2021 ◽  
Author(s):  
Idris Yazgan ◽  
Francis J. Osonga ◽  
Roland M. Miller ◽  
Victor M. Kariuki ◽  
Jing Zhang ◽  
...  
Keyword(s):  
Gold Nanoparticle ◽  
One Pot ◽  
One Pot Synthesis

Robust Gold Nanoparticle Sheets by Ligand Cross-Linking at the Air–Water Interface

ACS Nano ◽  
2017 ◽  
Vol 11 (2) ◽  
pp. 1292-1300 ◽  
Author(s):  
Irem Kosif ◽  
Katrina Kratz ◽  
Siheng Sean You ◽  
Mrinal K. Bera ◽  
Kyungil Kim ◽  
...  
Keyword(s):  
Gold Nanoparticle ◽  
Cross Linking ◽  
Water Interface ◽  
Air Water Interface

β-Cyclodextrin protected gold nanoparticle based cotton swabs as an effective candidate for specific sensing of trace levels of cyanide

2019 ◽  
Vol 11 (1) ◽  
pp. 97-104 ◽  
Author(s):  
Ramar Rajamanikandan ◽  
Malaichamy Ilanchelian
Keyword(s):  
Gold Nanoparticles ◽  
Gold Nanoparticle ◽  
Water Based

In this paper, a rapid colorimetric and easy visual determination of cyanide ions (CN− ions) in water, based on gold nanoparticles (AuNPs) stabilized with β-cyclodextrin (β-CD), is described.

Colorimetric anticancer drug detection by gold nanoparticle-based DNA interstrand cross-linking

2013 ◽  
Vol 5 (5) ◽  
pp. 1116 ◽  
Author(s):  
Xiaoji Xie ◽  
Renren Deng ◽  
Feng Liu ◽  
Wei Xu ◽  
Sam Fong Yau Li ◽  
...  
Keyword(s):  
Gold Nanoparticle ◽  
Anticancer Drug ◽  
Cross Linking ◽  
Drug Detection

scholarly journals Environmentally Friendly and Regioselective One-Pot Synthesis of Imines and Oxazolidines Serinol Derivatives and Their Use for Rubber Cross-Linking

2020 ◽  
Vol 8 (25) ◽  
pp. 9356-9366
Author(s):  
Vincenzina Barbera ◽  
Gabriella Leonardi ◽  
Antonio Marco Valerio ◽  
Lucia Rubino ◽  
Shuquan Sun ◽  
...  
Keyword(s):  
Environmentally Friendly ◽  
Cross Linking ◽  
One Pot ◽  
One Pot Synthesis

The Synthesis and Characterization of PEG-SH-Modified Gold Nanoparticle in One-Pot Synthesis by Stenotrophomonas maltophilia

2019 ◽  
Vol 19 (11) ◽  
pp. 7278-7284
Author(s):  
Jian-Yuan Huang ◽  
Min-Hua Chen ◽  
Feng-Huei Lin
Keyword(s):  
Gold Nanoparticles ◽  
Gold Nanoparticle ◽  
Stenotrophomonas Maltophilia ◽  
Culture Medium ◽  
Synthesis And Characterization ◽  
One Pot ◽  
Residual Solvent ◽  
Green Route ◽  
The Relationship

Colloidal gold nanoparticles have been researched and utilized in many technical applications. However, the conventionalmethods to produce polyethyleneglycol (PEG) immobilized gold nanoparticles have to take several steps, including residual solvent removing. In the study, we propose an idea green route to synthesize gold nanoparticles by using Stenotrophomonas maltophilia in a one-pot reaction. The relationship between Au precursor and S. maltophilia was evaluated systematically. After PEG-SH addition, the bacterial cell wall was broken down and the synthetic nanoparticles could be released into culture medium. Furthermore, we identified that the crystal structure of synthetic gold nanoparticle was face-center cubic and PEG-SH was immobilized on synthetic gold nanoparticle ideally. The size of Au-PEG-SH was smaller than 30 nm. These findings suggest that gold nanoparticle with PEG-SH modification could be prepared in an eco-friendly one-pot reaction through the metabolic activity of S. maltophilia.

Salicylaldehyde-functionalized block copolymer nano-objects: one-pot synthesis via polymerization-induced self-assembly and their simultaneous cross-linking and fluorescence modification

2016 ◽  
Vol 7 (29) ◽  
pp. 4761-4770 ◽  
Author(s):  
Jianbing Huang ◽  
Hanjun Zhu ◽  
Hui Liang ◽  
Jiang Lu
Keyword(s):  
Block Copolymer ◽  
Self Assembly ◽  
Cross Linking ◽  
Simultaneous Stabilization ◽  
One Pot ◽  
One Pot Synthesis ◽  
One Step

Salicylaldehyde-functionalized nano-objects are prepared via RAFT-mediated polymerization-induced self-assembly. Their simultaneous stabilization and fluorescence modification can be achieved by one-step reaction.

Oligopeptide Helical Conformations Control Gold Nanoparticle Cross‐Linking

2019 ◽  
Vol 25 (50) ◽  
pp. 11758-11764 ◽  
Author(s):  
Yanchao Lyu ◽  
Giulia Marafon ◽  
Álvaro Martínez ◽  
Alessandro Moretto ◽  
Paolo Scrimin
Keyword(s):  
Gold Nanoparticle ◽  
Cross Linking

scholarly journals Preparation of aminated chitosan microspheres by one-pot method and their adsorption properties for dye wastewater

2019 ◽  
Vol 6 (5) ◽  
pp. 182226 ◽  
Author(s):  
Jian Meng ◽  
Jianlan Cui ◽  
Siyuan Yu ◽  
Hui Jiang ◽  
Congshan Zhong ◽  
...  
Keyword(s):  
Adsorption Capacity ◽  
Adsorption Process ◽  
Physical Adsorption ◽  
Dye Adsorption ◽  
Cross Linking ◽  
Dye Wastewater ◽  
Ethylene Imine ◽  
One Pot ◽  
Chitosan Microspheres ◽  
Multiple Process

Polyamine chelating adsorbents have a good removal effect on dye wastewater. In this study, small molecule triethylenetetramine and macromolecular poly(ethylene imine) were selected as aminated reagent, and two kinds of aminated chitosan microspheres, TETA-CTSms and PEI-CTSms, were obtained by emulsion cross-linking method. The microspheres were fully characterized by FTIR, SEM, XRD, EDS and TGA. EDS results showed that the N content of the PEI-CTSms and TETA-CTSms microspheres increased significantly after the cross-linking reaction and can reach 5.7 wt% and 7.3 wt%, respectively. Adsorption experiments confirmed that TETA-CTSms and PEI-CTSms showed greater adsorption characteristics for anionic dye reactive yellow (RY) in aqueous solutions compared with CTSms, and the adsorption capacity per unit area was increased by 39.11% and 88.56%, respectively. The adsorption capacity of aminated microspheres for RY decreased with the increase of pH. The adsorption kinetics conformed to the pseudo-second-order model, and the adsorption process was in accordance with the Langmuir isotherm model. The negative value of Δ G confirmed that the adsorption process was spontaneous, and the dye adsorption was a multiple process dominated by chemical chelating and physical adsorption.

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