Results 241 to 250 of about 66,926 (319)

An air-assisted dispersive liquid phase microextraction method based on a hydrophobic magnetic deep eutectic solvent for the extraction and preconcentration of melamine from milk and milk-based products.

Food Chemistry, 2023
In the current research, a fast and sustainable air-assisted hydrophobic magnetic deep eutectic solvent-based dispersive liquid phase microextraction followed by UV-Vis spectrophotometry measurements was optimized for the extraction and determination of ...
A. Elik, Seçkin Fesliyan, N. Gürsoy, H. Haq, Roberto Castro-Muñoz, Nail Altunay   +5 more
semanticscholar   +1 more source

Synergistic preparation of modified alginate aerogel with melamine/chitosan for efficiently selective adsorption of lead ions.

Carbohydrate Polymers, 2021
Superior mechanical properties, high adsorption capacity, and excellent regeneration property are crucial design criterions to develop a new-type aerogel for adsorptive applications towards heavy metal removal from water.
Ce Gao, Xuelian Wang, Qing-da An, Zuoyi Xiao, S. Zhai   +4 more
semanticscholar   +1 more source

Detection of melamine by using carboxyl-functionalized Ag-COF as a novel SERS substrate.

Food Chemistry, 2022
Melamine, a nitrogen-containing organic molecule, has received widespread attention as it had been illegally added in dairy products to increase the content of nitrogen, leading to kidney stones in healthy people after long-term ingestion.
Zichen Yang, Chaoqun Ma, Jiao Gu, Yamin Wu, Chun Zhu, Lei Li, Hui Gao, Wen-Hui Yin, Zirui Wang, Guoqing Chen   +9 more
semanticscholar   +1 more source

A simplified fluorescent lateral flow assay for melamine based on aggregation induced emission of gold nanoclusters.

Food Chemistry, 2022
A novel lateral flow assay (LFA) was developed based on the aggregation induced emission (AIE) of gold nanoclusters (AuNCs) for the detection of melamine.
Xin Yue, Q. Pan, Jie Zhou, Hongxin Ren, Chifang Peng, Zhouping Wang, Yi Zhang   +6 more
semanticscholar   +1 more source

Highly efficient peroxidase-like activity of a metal-oxide-incorporated CeO2-MIL(Fe) metal-organic framework and its application in the colorimetric detection of melamine and mercury ions via induced hydrogen and covalent bonds.

In Analysis, 2022
The illegal addition of melamine to dairy products and the contamination of water with mercury (Hg2+) are serious threats to human health. Hence, herein, a highly sensitive colorimetric sensor for the visual detection of melamine and Hg2+ ions has been ...
A. Amalraj, Mariyammal Narayanan, Panneerselvam Perumal   +2 more
semanticscholar   +1 more source

Low-cost hydrogel adsorbent enhanced by trihydroxy melamine and β-cyclodextrin for the removal of Pb(II) and Ni(II) in water.

Journal of Hazardous Materials, 2021
Hydrogels have extensively studied as adsorbents, raw materials for the preparation of adsorbent hydrogels have low strength, while high strength hydrogels have weak adsorption capacity. In this study, PVA hydrogel was crosslinked via trihydroxy melamine
Zhike Wang, Ting-ting Li, Hao‐Kai Peng, Hai-Tao Ren, C. Lou, Jia‐Horng Lin   +5 more
semanticscholar   +1 more source

Flame retardancy of biodegradable polylactic acid with piperazine pyrophosphate and melamine cyanurate as flame retardant

Journal of fire sciences, 2022
A flame-retardant polylactic acid composite added with piperazine pyrophosphate and melamine cyanurate was developed. Piperazine pyrophosphate and melamine cyanurate showed synergistic effect in the polylactic acid composites.
Hongxu Chen, Wei Xia, Nan Wang, Yang Liu, Penghui Fan, Song Wang, Sanxi Li, Jie Liu, Tao Tang, Ailing Zhang, Zhan Ding, Wei Wu, Qi Chen   +12 more
semanticscholar   +1 more source

"Aptamer-locker" DNA coupling with CRISPR/Cas12a-guided biosensing for high-efficiency melamine analysis.

Biosensors & bioelectronics, 2021
Herein, we report a method that combined "aptamer-locker" DNA with CRISPR/Cas12a-based biosensing for sensitive and rapid melamine analysis. Three strategies were harnessed for designing the DNA sensors that were well characterized by circular dichroism (
B. Qiao, Jiakun Xu, Wenhao Yin, Wanmeng Xin, Lixin Ma, Jie Qiao, Yi Liu   +6 more
semanticscholar   +1 more source

Elevated emissions of melamine and its derivatives in the indoor environments of typical e-waste recycling facilities and adjacent communities and implications for human exposure.

Journal of Hazardous Materials, 2022
Melamine and its derivatives are used as additives in flame retardants. Moreover, melamine-containing consumables such as laminates, adhesives, glues, and plastics are extensively used in electronic products.
Juan Li, Xiaoming Gao, Yuqing He, Ling Wang, Yawei Wang, Lixi Zeng   +5 more
semanticscholar   +1 more source

A novel polymeric fluorescence sensor based on acrylated citric acid for detection of melamine adulteration: Application in milk powder.

Food Chemistry, 2022
Melamine selective acrylate citric acid (ACA) based polymeric membrane sensor was prepared by radical polymerization method and the sensor was characterized. The sensor showed a selective fluorescent response to melamine (λex/λem = 388/425 nm).
Neşe Taşci, Soner Çubuk, E. K. Yetimoğlu, M. V. Kahraman   +3 more
semanticscholar   +1 more source