scholarly journals In situ formation of gold nanoparticles in polymer inclusion membrane: Application as platform in a label-free potentiometric immunosensor for Salmonella typhimurium detection

Talanta ◽  
2019 ◽  
Vol 194 ◽  
pp. 134-142 ◽  
Author(s):  
Nádia F.D. Silva ◽  
Júlia M.C.S. Magalhães ◽  
M. Fátima Barroso ◽  
Teresa Oliva-Teles ◽  
Cristina Freire ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
Salmonella Typhimurium ◽  
Label Free ◽  
Inclusion Membrane ◽  
Polymer Inclusion Membrane ◽  
In Situ Formation ◽  
Potentiometric Immunosensor

In Situ Formation of Dual-Phase Thermosensitive Ultrasmall Gold Nanoparticles

2015 ◽  
Vol 21 (28) ◽  
pp. 10220-10225 ◽  
Author(s):  
Zidong He ◽  
Aiqing Zhong ◽  
Hui Zhang ◽  
Linfeng Xiong ◽  
Yang Xu ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
Dual Phase ◽  
In Situ Formation

In Situ Enzymatic Generation of Gold Nanoparticles for Nanozymatic Label-free Detection of Acid Phosphatase

2020 ◽  
Vol 3 (9) ◽  
pp. 9462-9469
Author(s):  
Syed Rahin Ahmed ◽  
Aicheng Chen
Keyword(s):  
Gold Nanoparticles ◽  
Acid Phosphatase ◽  
Label Free ◽  
Label Free Detection

In Situ Formation of Gold Nanoparticles within a Polymer Particle and Their Catalytic Activities in Various Chemical Reactions

ChemPhysChem ◽  
2018 ◽  
Vol 20 (1) ◽  
pp. 70-77 ◽  
Author(s):  
Wongi Jang ◽  
Richard Taylor ◽  
Pascal N. Eyimegwu ◽  
Hongsik Byun ◽  
Jun-Hyun Kim
Keyword(s):  
Gold Nanoparticles ◽  
Chemical Reactions ◽  
Polymer Particle ◽  
Catalytic Activities ◽  
In Situ Formation

Paper-based device for the colorimetric assay of bilirubin based on in-situ formation of gold nanoparticles

2019 ◽  
Vol 187 (1) ◽  
Author(s):  
Resmi P. Edachana ◽  
Abishek Kumaresan ◽  
Vidhya Balasubramanian ◽  
Ramachandran Thiagarajan ◽  
Bipin G. Nair ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
Colorimetric Assay ◽  
In Situ Formation

scholarly journals A Combined Experimental and First-Principle Calculation (DFT Study) for In Situ Polymer Inclusion Membrane-Assisted Growth of Metal-Organic Frameworks (MOFs)

2020 ◽  
Vol 2020 ◽  
pp. 1-12
Author(s):  
Reza Darvishi ◽  
Esmaeil Pakizeh
Keyword(s):  
Density Functional ◽  
Gas Permeability ◽  
Infrared Light ◽  
Asymmetric Membrane ◽  
Zeolitic Imidazolate Framework ◽  
Electronic Band ◽  
Inclusion Membrane ◽  
Polymer Inclusion Membrane ◽  
Metal Organic

A simple yet effective strategy was developed to prepare a metal-organic framework- (MOF-) based asymmetric membrane by depositing the Zeolitic imidazolate framework-8 (Zif-8) layer on the aminosilane-functionalized surface of a polymer inclusion membrane via an in situ growth process. During the extraction of the ligand molecules from the source to stripping compartment, metal ions react with ligand, and layers of Zif-8 were gradually grown onto aminosilane-modified polymer inclusion membrane (PIM). The properties of the surface-grown Zif-8 nanocrystalline layer were well characterized by powder X-ray diffraction, adsorption-desorption analysis, and scanning electron microscopy. The potential use of these Zif-8-supported PIM membranes for the separation of gases N2, CH4, and CO2 was evaluated at two temperatures (25 and 50°C) and pressures (1, 3, and 5 bar), by comparing the permeability and selectivity behavior of these membranes with neat PIM. The gas permeability of both pure PIM (PCO2=799.2 barrer) and PIM-co-MOF (PCO2=675.8 barrer) increases with the temperature for all three gases, and the permeation rate order was CO2 > CH4 > N2. The results showed that the presence of a layer of Zif-8 on the surface of the polymer inclusion membranes can get a slightly reduced permeability (~21%) but an enhanced selectivity of up to ~70% for CO2/CH4 and ~34% for CO2/N2. In the case of both membrane types, the ideal permselectivity decreases with the temperature, but this decrease was slightly more pronounced for the case of PIM-co-MOF. To understand more details about the electronic structure and optical and adsorption properties of Zif-8 and M+Zif-8 (M=N2,CH4,and CO2) compounds, the periodic plane-wave density functional theory (DFT) calculations were used. The electronic band structures and density of states for pure Zif-8 showed that this compound is metallic. Also, using DFT, the formation energy of M+Zif-8 compounds was calculated, and we showed that the CO2+Zif-8 composition is more stable than other compounds. This result suggests that the tendency of the Zif-8 compound to absorb the CO2 molecule is higher than that of other molecules. Confirming these results, DFT optical calculations showed that the affinity of the CO2+Zif-8 composition to absorb infrared light was greater than that of the other compounds.

In Situ Formation of One-Dimensional Assemblies of Gold Nanoparticles in Confined Media

ChemPhysChem ◽  
2012 ◽  
Vol 13 (5) ◽  
pp. 1347-1353 ◽  
Author(s):  
Jorge Carballido-Landeira ◽  
Sonia Goy-López ◽  
Alberto P. Muñuzuri ◽  
Pablo Taboada ◽  
Víctor Mosquera
Keyword(s):  
Gold Nanoparticles ◽  
One Dimensional ◽  
In Situ Formation ◽  
Confined Media

Interaction of Positively Charged Gold Nanoparticles with Cancer Cells Monitored by an in Situ Label-Free Optical Biosensor and Transmission Electron Microscopy

2018 ◽  
Vol 10 (32) ◽  
pp. 26841-26850 ◽  
Author(s):  
Beatrix Peter ◽  
Istvan Lagzi ◽  
Satoshi Teraji ◽  
Hideyuki Nakanishi ◽  
Laszlo Cervenak ◽  
...  
Keyword(s):  
Electron Microscopy ◽  
Transmission Electron Microscopy ◽  
Gold Nanoparticles ◽  
Cancer Cells ◽  
Optical Biosensor ◽  
Label Free ◽  
Transmission Electron ◽  
Positively Charged Gold Nanoparticles ◽  
Positively Charged

Label-free detection of acetylcholinesterase and its inhibitor based on the in situ formation of fluorescent copper nanoparticles

2017 ◽  
Vol 240 ◽  
pp. 651-656 ◽  
Author(s):  
Pengjuan Ni ◽  
Yujing Sun ◽  
Shu Jiang ◽  
Wangdong Lu ◽  
Yilin Wang ◽  
...  
Keyword(s):  
Copper Nanoparticles ◽  
Label Free ◽  
Label Free Detection ◽  
In Situ Formation

In Situ Formation of Gold Nanoparticles within Thiol Functionalized HMS-C16and SBA-15 Type Materials via an Organometallic Two-Step Approach

2003 ◽  
Vol 15 (10) ◽  
pp. 2017-2024 ◽  
Author(s):  
Yannick Guari ◽  
Chloé Thieuleux ◽  
Ahmad Mehdi ◽  
Catherine Reyé ◽  
Robert J. P. Corriu ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
In Situ Formation
Sign in / Sign up

Export Citation Format

Share Document