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Immunocolorimetric assay based on amplified gold nanoparticles and magnetic separation beads for detection of sesame allergens in food

Anal. Methods, 2022, 14,4803-4812
DOI: 10.1039/D2AY01557A, Paper

Xiaopan Linghu, Shasha Wang, Wentao Liu, Rui Wang, Yang Lu
A magnetic separation-based immunocolorimetric assay was developed for detecting sesame allergens in food samples.
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MnO2–DNA nanomaterials toward the dual signal detection of P-aminophenol micropollutants

Anal. Methods, 2022, 14,4867-4871
DOI: 10.1039/D2AY01484J, Paper

Xiang-Ling Li, Zi-Heng Wang, Qin Zhang, Dan Luo, Jing jing Xie
We constructed the MnO₂–DNA nanomaterials for the dual-signal detection of P-aminophenol in a complex environment.
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A nano curcumin–multi-walled carbon nanotube composite as a fluorescence chemosensor for trace determination of celecoxib in serum samples

Anal. Methods, 2022, 14,4795-4802
DOI: 10.1039/D2AY01386J, Paper

Nahid Pourreza, Behrooz Zargar, Reza Hoveizavi
A novel method was developed for trace determination of celecoxib by monitoring its quenching effect on fluorescence intensity of curcumin nanoparticles loaded on multi-walled carbon nanotubes–COOH (Cur–MWCNT–COOH) composite.
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Micro-tapered aperture nebulization ionization for versatile mass spectrometry analysis

Anal. Methods, 2022, 14,4886-4892
DOI: 10.1039/D2AY01657E, Paper

Keguo Teng, Jianbo Shi, Yanping Zhu, Quan Yu
We introduce a new (high) voltage-free ionization method, termed micro-tapered aperture nebulization ionization, which exhibits high ion yields and satisfactory quantitative performance and enables versatile mass spectrometry analysis.
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A regression-based machine learning approach for pH and glucose detection with redox-sensitive colorimetric paper sensors

Anal. Methods, 2022, 14,4749-4755
DOI: 10.1039/D2AY01329K, Paper

Taeha Lee, Hyung-Tak Lee, Jiho Hong, Seokbeom Roh, Da Yeon Cheong, Kyungwon Lee, Yeojin Choi, Yoochan Hong, Han-Jeong Hwang, Gyudo Lee
Machine learning-based analysis of colorimetric paper sensors for pH and glucose detection.
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Synthesis of hierarchical porous zirconium dioxide and its application in the detection of sulfonamides in animal-derived food

Anal. Methods, 2022, 14,4893-4902
DOI: 10.1039/D2AY01635D, Paper

Xiaofang Luan, Wen Nie, Xinxin Tian, Jinglei Xu, Wenqiang Fang, Shuang Liu, Xinyu Lan, Wenxuan Jia, Yongming Liu, Zhenbo Liu
In order to effectively remove grease for the detection of sulfonamides, a non-toxic and low-cost hierarchical porous zirconia material was synthesized using the dual template method.
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Simultaneous determination of deuterium-labeled ergosterol and brassicasterol in stroke-prone spontaneously hypertensive rats by ultra-high performance liquid chromatography-electrospray ionization-tandem mass spectrometry

Anal. Methods, 2022, 14,4879-4885
DOI: 10.1039/D2AY01705A, Paper

Koichi Machida, Yuji Koseki, Akira Kotani, Kazuhiro Yamamoto, Tsuyoshi Miura, Hideki Hakamata
A highly sensitive LC-MS/MS method disclosed that deuterium-labeled brassicasterol in serum was increased in a time-dependent manner, when deuterium-labeled ergosterol was orally administrated to stroke-prone spontaneously hypertensive rats.
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Synthesis of honeycomb Ag@CuO nanoparticles and their application as a highly sensitive and electrocatalytically active hydrogen peroxide sensor material

Anal. Methods, 2022, 14,4842-4850
DOI: 10.1039/D2AY01211A, Paper

Yong Li, Pengchong Yin, Yuxin Zhang, Ruizhu Zhang
A new type of H₂O₂ sensor is prepared in this paper. Novel honeycomb Ag@CuO nanoparticles were prepared by electrospinning, which were used as an electrode material to improve the contact performance between electrons more efficiently.
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Rapid authentication of coffee bean varieties of different forms by using a pocket-sized spectrometer and multivariate data modelling

Anal. Methods, 2022, 14,4756-4766
DOI: 10.1039/D2AY01480G, Paper

Vida Gyimah Boadu, Ernest Teye, Charles L. Y. Amuah, L. K. Sam-Amoah
Coffee is the most consumed beverage and the second most valuable traded commodity in the world.
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A new magnetic ionic liquid based salting-out assisted dispersive liquid–liquid microextraction for the determination of parabens in environmental water samples

Anal. Methods, 2022, 14,4775-4783
DOI: 10.1039/D2AY01403C, Paper

Yuan Tao, Luyao Jia, Honglin Qin, Ruiting Niu, Lizhen Qiao
In this study, a new magnetic ionic liquid (MIL) was designed and prepared, containing a magnetic cation from the ligand N,N-dimethyl biguanide (DMBG) complexing with magnetic center Co²⁺ and a bis-trifluoromethanesulfonimide (NTf₂⁻) anion.
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