Fluorescence detection of cholesterol using a nitrogen-doped graphene quantum dot/chromium picolinate complex-based sensor

2017 ◽  
Vol 5 (45) ◽  
pp. 9006-9014 ◽  
Author(s):  
Long Sun ◽  
Shanshan Li ◽  
Wei Ding ◽  
Yuewei Yao ◽  
Xueyun Yang ◽  
...  
Keyword(s):  
Quantum Dot ◽  
Fluorescence Detection ◽  
High Sensitivity ◽  
Chromium Picolinate ◽  
Graphene Quantum Dot ◽  
Nitrogen Doped ◽  
Sensitivity And Selectivity ◽  
Nitrogen Doped Graphene ◽  
Doped Graphene

A novel N-GQDs/CrPic-based cholesterol sensor with high sensitivity and selectivity has been constructed.

Fabrication of a nitrogen-doped graphene quantum dot from MOF-derived porous carbon and its application for highly selective fluorescence detection of Fe3+

2015 ◽  
Vol 3 (2) ◽  
pp. 291-297 ◽  
Author(s):  
Hongbo Xu ◽  
Shenghai Zhou ◽  
Lili Xiao ◽  
Huanhuan Wang ◽  
Shouzhu Li ◽  
...  
Keyword(s):  
Quantum Dot ◽  
Fluorescence Detection ◽  
Porous Carbon ◽  
Graphene Quantum Dot ◽  
Nitrogen Doped ◽  
New Strategy ◽  
Nitrogen Doped Graphene ◽  
Doped Graphene

A new strategy for in situ formation and separation of fluorescent N-GQDs for Fe3+ sensing was developed, with MOFs as precursors.

scholarly journals Design and Analysis of a Single System of Impedimetric Biosensors for the Detection of Mosquito-Borne Viruses

Biosensors ◽  
2021 ◽  
Vol 11 (10) ◽  
pp. 376
Author(s):  
Fahmida Nasrin ◽  
Kenta Tsuruga ◽  
Doddy Irawan Setyo Utomo ◽  
Ankan Dutta Chowdhury ◽  
Enoch Y. Park
Keyword(s):  
Early Stage ◽  
Delayed Diagnosis ◽  
High Sensitivity ◽  
Cross Reactivity ◽  
High Demand ◽  
Graphene Quantum Dot ◽  
Nitrogen Doped ◽  
Sensitivity And Selectivity ◽  
Nitrogen Doped Graphene ◽  
Doped Graphene

The treatment for mosquito-borne viral diseases such as dengue virus (DENV), zika virus (ZIKV), and chikungunya virus (CHIKV) has become difficult due to delayed diagnosis processes. In addition, sharing the same transmission media and similar symptoms at the early stage of infection of these diseases has become more critical for early diagnosis. To overcome this, a common platform that can identify the virus with high sensitivity and selectivity, even for the different serotypes, is in high demand. In this study, we have attempted an electrochemical impedimetric method to detect the ZIKV, DENV, and CHIKV using their corresponding antibody-conjugated sensor electrodes. The significance of this method is emphasized on the fabrication of a common matrix of gold–polyaniline and sulfur, nitrogen-doped graphene quantum dot nanocomposites (Au-PAni-N,S-GQDs), which have a strong impedimetric response based only on the conjugated antibody, resulting in minimum cross-reactivity for the detection of various mosquito-borne viruses, separately. As a result, four serotypes of DENV and ZIKV, and CHIKV have been detected successfully with an LOD of femtogram mL–1.

scholarly journals Multifunctional crosslinked chitosan/nitrogen-doped graphene quantum dot for wastewater treatment

2021 ◽  
Author(s):  
Abdelfattah Amari ◽  
Noureddine Elboughdiri ◽  
Djamel Ghernaout ◽  
Ramzi Hadj Lajimi ◽  
Ali M. Alshahrani ◽  
...  
Keyword(s):  
Wastewater Treatment ◽  
Quantum Dot ◽  
Graphene Quantum Dot ◽  
Nitrogen Doped ◽  
Nitrogen Doped Graphene ◽  
Doped Graphene ◽  
Crosslinked Chitosan
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