Results 261 to 270 of about 14,245,177 (346)

Determination of Trace Sudan I in Spices by Novel, Green Ionic Liquid Based Microextraction with Spectrophotometry

Analytical Letters, 2022
A new, green method has been developed for the determination of the trace Sudan I prior to spectrophotometric determination. The ionic liquid, 1-butyl-3-methylimidazolium hexafluorophosphate ([BMIM][PF6]), was used as an extraction solvent for Sudan I ...
Hassanali Ahmed, F. Uzcan, M. Soylak
semanticscholar   +1 more source

Multivalent SnO2 quantum dot-decorated Ti3C2 MXene for highly sensitive electrochemical detection of Sudan I in food.

In Analysis, 2022
Quantum dots functionalization has been proven to be a simple modification strategy for improving the electroanalytical performance of two-dimensional electrode materials by increasing the specific surface area and active reaction sites.
Lin Mei, Yanmei Shi, Yange Shi, Pengpeng Yan, Chunlei Lin, Yuejian Sun, Bingjie Wei, Jun Yu Li   +7 more
semanticscholar   +1 more source

A simple sensing platform based on a 1T@2H-MoS2/cMWCNTs composite modified electrode for ultrasensitive detection of illegal Sudan I dye in food samples.

Analytical Methods, 2022
The work presented here describes a highly sensitive and simple electrochemical sensor for the detection of Sudan I dye based on a nanocomposite made of MoS2 heterogeneous nanosheets (1T@2H-MoS2) and carboxylated carbon nanotubes (cMWCNTs) (1T@2H-MoS2 ...
Qiaoling Wu, Chun Ji, Lingli Zhang, Qili Shi, Yuangen Wu, H. Tao   +5 more
semanticscholar   +1 more source

Electroanalytical performance of hierarchical nanostructures of MgCo2O4 on reduced graphene oxide modified screen-printed electrode for the sensitive determination of Sudan I

International Journal of Environmental Analytical Chemistry, 2021
The present work reports the synthesis of MgCo2O4-rGO nanohybrid by a simple method. The nanohybrid was characterised by XRD, Raman spectroscopy, EDX, SEM, and TEM.
H. Beitollahi, S. Tajik, Fariba Garkani Nejad, M. Askari, Parisa Salarizadeh   +4 more
semanticscholar   +1 more source

An electrochemical method for the sensitive and rapid sensing of Sudan I in food based on Ni–Fe bimetal organic frameworks

New Journal of Chemistry, 2021
A Ni–Fe bimetal organic framework-modified electrode was constructed for the sensitive and rapid sensing of Sudan I in food.
Xueyan Li, Xiuxiu Sun, Ani Zhou, Zichun Zhu, Maoguo Li   +4 more
semanticscholar   +1 more source

Highly sensitive electrochemical sensor based on La3+-doped Co3O4 nanocubes for determination of sudan I content in food samples

Food Chemistry, 2019
Hadi Mahmoudi-Moghaddam, , Hadi Beitollahi   +2 more
exaly   +2 more sources

Preparation of sulfur-doped carbon quantum dots from lignin as a sensor to detect Sudan I in an acidic environment.

Journal of materials chemistry. B, 2020
To achieve a rapid and facile quantitative evaluation of Sudan I illegally added in ketchup, fluorescent carbon quantum dots with excellent stability in acidic environments are required as the actual pH value of ketchup is close to 4.0. In this paper, we
Xiaoxu Yang, Yanzhu Guo, Shuang-Shuang Liang, Shiyao Hou, Tingting Chu, Jiliang Ma, Xiaohong Chen, Jinghui Zhou, R. Sun   +8 more
semanticscholar   +1 more source

Electrochemical sensing of Sudan I using the modified graphite screen-printed electrode

International Journal of Environmental Analytical Chemistry, 2020
The present research devised a strongly sensitive user-friendly electrochemical sensor to determine Sudan I with regard to ZnFe2O4 nanoparticles (NPs) modified graphite screen-printed electrode (GSPE), ZnFe2O4/SPE, with various cyclic voltammetry (CV ...
S. Tajik, H. Beitollahi, Fariba Garkani Nejad, Mohadeseh Safaei, P. Jahani   +4 more
semanticscholar   +1 more source

[Synthesis of Sudan I artificial antigen].

Wei sheng yan jiu = Journal of hygiene research, 2010
To prepare Sudan I-HS conjugates with the carrier protein for developing a new immune assay for Sudan I.Sudan I was actived by succinic anhydride and converted into Sudan I hemisuccinate (Sudan I-HS) as the hapten, then Sudan I-HS was linked to carrier protein bovine serum albumin (BSA) as immunogen, and ovalbumin (OVA) as coating antigen all by the ...
Wei, Yu, Xiaohong, Wang, Youxiang, Zhou, Ping, Wang   +3 more
openaire   +2 more sources

Amplified electrochemical sensor employing ZnO-CuO nanoplates for sensitive analysis of Sudan I

International Journal of Environmental Analytical Chemistry, 2020
The occurrence of Sudan I has become an important subject in food safety, as it has been classified as a category 3 carcinogen by the IARC. In the present work, ZnO-CuO nanoplates were successfully synthesised and applied for changing the screen-printed ...
S. Tajik, Mohammad Reza Aflatoonian, Reza Shabanzade, H. Beitollahi, R. Alizadeh   +4 more
semanticscholar   +1 more source