h2o2 detection
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2022 ◽  
Vol 354 ◽  
pp. 131201
Author(s):  
Xuelian Yang ◽  
Wei Qiu ◽  
Rongwei Gao ◽  
Youpeng Wang ◽  
Yu Bai ◽  
...  

2021 ◽  
pp. 130597
Author(s):  
Beibei Xie ◽  
Xiaohong Yang ◽  
Ruixue Zhang ◽  
Jian Gu ◽  
Zichao Chen ◽  
...  
Keyword(s):  

2021 ◽  
pp. 100446
Author(s):  
Augusto Rodríguez ◽  
Lenys Fernández ◽  
José R. Domínguez ◽  
Gema González ◽  
Omar Martínez ◽  
...  

2021 ◽  
pp. 106249
Author(s):  
Luca Fiore ◽  
Vincenzo Mazzaracchio ◽  
Pierluca Galloni ◽  
Federica Sabuzi ◽  
Silvia Pezzola ◽  
...  

Foods ◽  
2021 ◽  
Vol 10 (2) ◽  
pp. 419
Author(s):  
Pei Hu ◽  
Zhentao Sun ◽  
Yunwen Shen ◽  
Yiwen Pan

Hydrogen peroxide (H2O2) has been reported to be used for the illegal treatment of fishery products in order to obtain “fake” freshness. Residues of H2O2 in food may be of toxicology concern. In this study, a nonenzymatic sensor was developed based on Fe@PCN-224 metal–organic frameworks wrapped by Nafion to detect H2O2 concentration. The hybrid structure of Fe@PCN-224 was fabricated by incorporated free FeIII ions into the center of PCN-224, which was ultra-stable due to the strong interactions between Zr6 and the carboxyl group. Scanning electron spectroscopy images exhibited that Nafion sheets crossed together on the surface of Fe@PCN-224 nanoparticles to form a hierarchical and coherent structure for efficient electron transfer. Electrochemical investigations showed that the Fe@PCN-224/Nafion/GCE possessed good linearity from 2 to 13,000 μM (including four orders of magnitude), low detection limits (0.7 μM), high stability in continuous monitoring (current remained nearly stable over 2300 s) and in long-term measurement (current decreased 3.4% for 30 days). The prepared nanohybrid modified electrode was effectively applied to H2O2 detection in three different fishery products. The results were comparable to those measured using photometrical methods. The developed electrochemical method has a great potential in detecting the illegal management of fishery products with H2O2.


Nanoscale ◽  
2021 ◽  
Author(s):  
Serkan Koylan ◽  
Sensu Tunca ◽  
Gokhan Polat ◽  
Mete batuhan Durukan ◽  
Dongkwan Kim ◽  
...  

Silver nanowire (Ag NW) networks hold great potential to replace commercial transparent conducting oxides due to their superior properties in conjunction with their competitive cost, availability and mechanical flexibility. However,...


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