scholarly journals Electrochemical detection of serotonin based on a poly(bromocresol green) film and Fe3O4 nanoparticles in a chitosan matrix

RSC Advances ◽  
2017 ◽  
Vol 7 (4) ◽  
pp. 1847-1851 ◽  
Author(s):  
Gu Ran ◽  
Xing Chen ◽  
Ying Xia
Keyword(s):  
Carbon Nanotubes ◽  
Magnetic Nanoparticles ◽  
Composite Film ◽  
Electrochemical Detection ◽  
Fe3o4 Nanoparticles ◽  
Bromocresol Green ◽  
Multiwalled Carbon ◽  
Chitosan Matrix ◽  
Sensitive Determination

A composite film containing poly(bromocresol green), magnetic nanoparticles and multiwalled carbon nanotubes was fabricated for the sensitive determination of serotonin.

Determination of Traces of Iron and Lead in Food and Water Samples After Preconcentration on Multiwalled Carbon Nanotubes

2012 ◽  
Vol 95 (4) ◽  
pp. 1183-1188 ◽  
Author(s):  
Mustafa Soylak ◽  
Yunus Emre Unsal
Keyword(s):  
Carbon Nanotubes ◽  
Multiwalled Carbon Nanotubes ◽  
Certified Reference Materials ◽  
Absorption Spectrometry ◽  
Multiwalled Carbon ◽  
Spectrometry Analysis ◽  
Flame Atomic Absorption ◽  
Sensitive Determination ◽  
Humber River

Abstract A new method using multiwalled carbon nanotubes as an SPE adsorbent was developed for the sensitive determination of trace iron and lead prior to flame atomic absorption spectrometry analysis. Iron and lead as 2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline chelates were adsorbed quantitatively on multiwalled carbon nanotubes at a pH of 6.0 and easily eluted with 10 mL 1 M HNO3. The influences of matrix ions were also examined. The LOD values for iron and lead were calculated as 1.3 and 2.9 μg/L, respectively. Validation of the presented procedure was performed by the analysis of TMDA 54.4 fortified lake water and HR-1 Humber River sediment certified reference materials. The method was successfully applied to the determination of trace iron and lead in real environmental samples, and excellent results were achieved.

scholarly journals Magnetic multiwalled carbon nanotubes as nanocarrier tags for sensitive determination of fetuin in saliva

2018 ◽  
Vol 113 ◽  
pp. 88-94 ◽  
Author(s):  
Esther Sánchez-Tirado ◽  
Araceli González-Cortés ◽  
Paloma Yáñez-Sedeño ◽  
José M. Pingarrón
Keyword(s):  
Carbon Nanotubes ◽  
Multiwalled Carbon Nanotubes ◽  
Multiwalled Carbon ◽  
Sensitive Determination ◽  
Magnetic Multiwalled Carbon Nanotubes

A web of poly(bisbenzimidazolatocopper(II)) around multiwalled carbon nanotubes for the electrochemical detection of hydrogen peroxide

2021 ◽  
Author(s):  
Kothandaraman Ramanujam ◽  
Tamilselvi Gurusamy ◽  
Rajendran Rajaram ◽  
Raja Murugan
Keyword(s):  
Carbon Nanotubes ◽  
Hydrogen Peroxide ◽  
Carbon Nanotube ◽  
Electrochemical Detection ◽  
Glassy Carbon ◽  
Electrochemical Determination ◽  
Carbon Electrode ◽  
Modified Glassy Carbon Electrode ◽  
Multiwalled Carbon

The present work focuses on the electrochemical determination of hydrogen peroxide (H2O2), using a poly(bisbenzimidazolatocopper(II)) coordinated multiwalled carbon nanotube modified glassy carbon electrode (MWCNT/(BIM-Cu2+)n@GCE). The physical characterization techniques point to...

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