Visual determination of Cu2+ through copper-catalysed in situ formation of Ag nanoparticles

The Analyst ◽  
2012 ◽  
Vol 137 (19) ◽  
pp. 4516 ◽  
Author(s):  
Xun Yuan ◽  
Yi Chen
Keyword(s):  
Ag Nanoparticles ◽  
In Situ Formation

In Situ Formation of Ag Nanoparticles for Fiber Strain Sensors: Toward Textile-Based Wearable Applications

2021 ◽  
Author(s):  
Hwajoong Kim ◽  
Ammar Shaqeel ◽  
Solbi Han ◽  
Junseo Kang ◽  
Jieun Yun ◽  
...  
Keyword(s):  
Ag Nanoparticles ◽  
Strain Sensors ◽  
In Situ Formation

scholarly journals Analysis of Nucleation and Glass Formation by Chip Calorimetry

2021 ◽  
Vol 11 (16) ◽  
pp. 7652
Author(s):  
Meng Gao ◽  
Chengrong Cao ◽  
John H. Perepezko
Keyword(s):  
Differential Scanning Calorimetry ◽  
Crystal Nucleation ◽  
Transformation Behavior ◽  
Scanning Calorimetry ◽  
Heating And Cooling ◽  
Chip Calorimetry ◽  
In Situ Formation ◽  
Materials Behavior

The advent of chip calorimetry has enabled an unprecedented extension of the capability of differential scanning calorimetry to explore new domains of materials behavior. In this paper, we highlight some of our recent work: the application of heating and cooling rates above 104 K/s allows for the clear determination of the glass transition temperature, Tg, in systems where Tg and the onset temperature for crystallization, Tx, overlap; the evaluation of the delay time for crystal nucleation; the discovery of new polyamorphous materials; and the in-situ formation of glass in liquid crystals. From these application examples, it is evident that chip calorimetry has the potential to reveal new reaction and transformation behavior and to develop a new understanding.

scholarly journals A novel metal-to-metal bonding process through in-situ formation of Ag nanoparticles using Ag2O microparticles

2009 ◽  
Vol 165 ◽  
pp. 012074 ◽  
Author(s):  
Akio Hirose ◽  
Hiroaki Tatsumi ◽  
Naoya Takeda ◽  
Yusuke Akada ◽  
Tomo Ogura ◽  
...  
Keyword(s):  
Ag Nanoparticles ◽  
Bonding Process ◽  
Metal Bonding ◽  
In Situ Formation

In Situ Formation of Ag Nanoparticles in Spherical Polyacrylic Acid Brushes by UV Irradiation

2007 ◽  
Vol 111 (21) ◽  
pp. 7676-7681 ◽  
Author(s):  
Yan Lu ◽  
Yu Mei ◽  
Marc Schrinner ◽  
Matthias Ballauff ◽  
Michael W. Möller ◽  
...  
Keyword(s):  
Uv Irradiation ◽  
Polyacrylic Acid ◽  
Ag Nanoparticles ◽  
In Situ Formation

scholarly journals In-Situ Formation of Modified Nickel–Zinc-Layered Double Hydroxide Followed by HPLC Determination of Neonicotinoid Insecticide Residues

Molecules ◽  
2021 ◽  
Vol 27 (1) ◽  
pp. 43
Author(s):  
Jitlada Vichapong ◽  
Rawikan Kachangoon ◽  
Rodjana Burakham ◽  
Yanawath Santaladchaiyakit ◽  
Supalax Srijaranai
Keyword(s):  
Limit Of Detection ◽  
Sodium Dodecyl ◽  
The European Union ◽  
Precipitate Phase ◽  
Insecticide Residues ◽  
Nickel Zinc ◽  
Neonicotinoid Insecticide ◽  
In Situ Formation

A single-step preconcentration procedure using the in-situ formation of modified nickel–zinc-layered double hydroxides (LDHs) prior to high-performance liquid chromatography (HPLC) is investigated for the determination of neonicotinoid insecticide residues in honey samples. The LDHs could be prepared by the sequential addition of sodium hydroxide, sodium dodecyl sulfate, nickel nitrate 6-hydrate and zinc nitrate 6-hydrate, which were added to the sample solution. The co-precipitate phase and phase separation were obtained by centrifugation, and then the precipitate phase was dissolved in formic acid (concentrate) prior to HPLC analysis. Various analytical parameters affecting extraction efficiency were studied, and the characterization of the LDHs phase was performed using Fourier-transformed infrared spectroscopy and scanning electron microscopy. Under optimum conditions, the limit of detection of the studied neonicotinoids, in real samples, were 30 μg L−1, for all analytes, lower than the maximum residue limits established by the European Union (EU). The developed method provided high enrichment, by a factor of 35. The proposed method was utilized to determine the target insecticides in honey samples, and acceptable recoveries were obtained.

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